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authorBhanu Chetlapalli <bhanu@mips.com>2012-01-31 16:25:04 -0800
committerBhanu Chetlapalli <bhanu@mips.com>2012-01-31 16:25:04 -0800
commit409c7b66435cf5947cab6bf0710f92507317f22e (patch)
treee86657ee8a018de84833634fa425c52e8404f565 /target-mips/translate.c
parent828b135787a028f6befe56470e7233329cc45e3f (diff)
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[MIPS] Import MIPS target support
From v0.12.5 tag at git://git.sv.gnu.org/qemu.git CommitID: 174f225e9d62e8f3002e274e4f718bd2a967fbf4 Change-Id: I35b49a4319cee4b69cf9da4e5af1f43327e21056 Signed-off-by: Chris Dearman <chris@mips.com>
Diffstat (limited to 'target-mips/translate.c')
-rw-r--r--target-mips/translate.c8714
1 files changed, 8714 insertions, 0 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
new file mode 100644
index 0000000..d1d6f23
--- /dev/null
+++ b/target-mips/translate.c
@@ -0,0 +1,8714 @@
+/*
+ * MIPS32 emulation for qemu: main translation routines.
+ *
+ * Copyright (c) 2004-2005 Jocelyn Mayer
+ * Copyright (c) 2006 Marius Groeger (FPU operations)
+ * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include "cpu.h"
+#include "exec-all.h"
+#include "disas.h"
+#include "tcg-op.h"
+#include "qemu-common.h"
+
+#include "helper.h"
+#define GEN_HELPER 1
+#include "helper.h"
+
+//#define MIPS_DEBUG_DISAS
+//#define MIPS_DEBUG_SIGN_EXTENSIONS
+
+/* MIPS major opcodes */
+#define MASK_OP_MAJOR(op) (op & (0x3F << 26))
+
+enum {
+ /* indirect opcode tables */
+ OPC_SPECIAL = (0x00 << 26),
+ OPC_REGIMM = (0x01 << 26),
+ OPC_CP0 = (0x10 << 26),
+ OPC_CP1 = (0x11 << 26),
+ OPC_CP2 = (0x12 << 26),
+ OPC_CP3 = (0x13 << 26),
+ OPC_SPECIAL2 = (0x1C << 26),
+ OPC_SPECIAL3 = (0x1F << 26),
+ /* arithmetic with immediate */
+ OPC_ADDI = (0x08 << 26),
+ OPC_ADDIU = (0x09 << 26),
+ OPC_SLTI = (0x0A << 26),
+ OPC_SLTIU = (0x0B << 26),
+ /* logic with immediate */
+ OPC_ANDI = (0x0C << 26),
+ OPC_ORI = (0x0D << 26),
+ OPC_XORI = (0x0E << 26),
+ OPC_LUI = (0x0F << 26),
+ /* arithmetic with immediate */
+ OPC_DADDI = (0x18 << 26),
+ OPC_DADDIU = (0x19 << 26),
+ /* Jump and branches */
+ OPC_J = (0x02 << 26),
+ OPC_JAL = (0x03 << 26),
+ OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */
+ OPC_BEQL = (0x14 << 26),
+ OPC_BNE = (0x05 << 26),
+ OPC_BNEL = (0x15 << 26),
+ OPC_BLEZ = (0x06 << 26),
+ OPC_BLEZL = (0x16 << 26),
+ OPC_BGTZ = (0x07 << 26),
+ OPC_BGTZL = (0x17 << 26),
+ OPC_JALX = (0x1D << 26), /* MIPS 16 only */
+ /* Load and stores */
+ OPC_LDL = (0x1A << 26),
+ OPC_LDR = (0x1B << 26),
+ OPC_LB = (0x20 << 26),
+ OPC_LH = (0x21 << 26),
+ OPC_LWL = (0x22 << 26),
+ OPC_LW = (0x23 << 26),
+ OPC_LBU = (0x24 << 26),
+ OPC_LHU = (0x25 << 26),
+ OPC_LWR = (0x26 << 26),
+ OPC_LWU = (0x27 << 26),
+ OPC_SB = (0x28 << 26),
+ OPC_SH = (0x29 << 26),
+ OPC_SWL = (0x2A << 26),
+ OPC_SW = (0x2B << 26),
+ OPC_SDL = (0x2C << 26),
+ OPC_SDR = (0x2D << 26),
+ OPC_SWR = (0x2E << 26),
+ OPC_LL = (0x30 << 26),
+ OPC_LLD = (0x34 << 26),
+ OPC_LD = (0x37 << 26),
+ OPC_SC = (0x38 << 26),
+ OPC_SCD = (0x3C << 26),
+ OPC_SD = (0x3F << 26),
+ /* Floating point load/store */
+ OPC_LWC1 = (0x31 << 26),
+ OPC_LWC2 = (0x32 << 26),
+ OPC_LDC1 = (0x35 << 26),
+ OPC_LDC2 = (0x36 << 26),
+ OPC_SWC1 = (0x39 << 26),
+ OPC_SWC2 = (0x3A << 26),
+ OPC_SDC1 = (0x3D << 26),
+ OPC_SDC2 = (0x3E << 26),
+ /* MDMX ASE specific */
+ OPC_MDMX = (0x1E << 26),
+ /* Cache and prefetch */
+ OPC_CACHE = (0x2F << 26),
+ OPC_PREF = (0x33 << 26),
+ /* Reserved major opcode */
+ OPC_MAJOR3B_RESERVED = (0x3B << 26),
+};
+
+/* MIPS special opcodes */
+#define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F)
+
+enum {
+ /* Shifts */
+ OPC_SLL = 0x00 | OPC_SPECIAL,
+ /* NOP is SLL r0, r0, 0 */
+ /* SSNOP is SLL r0, r0, 1 */
+ /* EHB is SLL r0, r0, 3 */
+ OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */
+ OPC_SRA = 0x03 | OPC_SPECIAL,
+ OPC_SLLV = 0x04 | OPC_SPECIAL,
+ OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */
+ OPC_SRAV = 0x07 | OPC_SPECIAL,
+ OPC_DSLLV = 0x14 | OPC_SPECIAL,
+ OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
+ OPC_DSRAV = 0x17 | OPC_SPECIAL,
+ OPC_DSLL = 0x38 | OPC_SPECIAL,
+ OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
+ OPC_DSRA = 0x3B | OPC_SPECIAL,
+ OPC_DSLL32 = 0x3C | OPC_SPECIAL,
+ OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
+ OPC_DSRA32 = 0x3F | OPC_SPECIAL,
+ /* Multiplication / division */
+ OPC_MULT = 0x18 | OPC_SPECIAL,
+ OPC_MULTU = 0x19 | OPC_SPECIAL,
+ OPC_DIV = 0x1A | OPC_SPECIAL,
+ OPC_DIVU = 0x1B | OPC_SPECIAL,
+ OPC_DMULT = 0x1C | OPC_SPECIAL,
+ OPC_DMULTU = 0x1D | OPC_SPECIAL,
+ OPC_DDIV = 0x1E | OPC_SPECIAL,
+ OPC_DDIVU = 0x1F | OPC_SPECIAL,
+ /* 2 registers arithmetic / logic */
+ OPC_ADD = 0x20 | OPC_SPECIAL,
+ OPC_ADDU = 0x21 | OPC_SPECIAL,
+ OPC_SUB = 0x22 | OPC_SPECIAL,
+ OPC_SUBU = 0x23 | OPC_SPECIAL,
+ OPC_AND = 0x24 | OPC_SPECIAL,
+ OPC_OR = 0x25 | OPC_SPECIAL,
+ OPC_XOR = 0x26 | OPC_SPECIAL,
+ OPC_NOR = 0x27 | OPC_SPECIAL,
+ OPC_SLT = 0x2A | OPC_SPECIAL,
+ OPC_SLTU = 0x2B | OPC_SPECIAL,
+ OPC_DADD = 0x2C | OPC_SPECIAL,
+ OPC_DADDU = 0x2D | OPC_SPECIAL,
+ OPC_DSUB = 0x2E | OPC_SPECIAL,
+ OPC_DSUBU = 0x2F | OPC_SPECIAL,
+ /* Jumps */
+ OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */
+ OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */
+ /* Traps */
+ OPC_TGE = 0x30 | OPC_SPECIAL,
+ OPC_TGEU = 0x31 | OPC_SPECIAL,
+ OPC_TLT = 0x32 | OPC_SPECIAL,
+ OPC_TLTU = 0x33 | OPC_SPECIAL,
+ OPC_TEQ = 0x34 | OPC_SPECIAL,
+ OPC_TNE = 0x36 | OPC_SPECIAL,
+ /* HI / LO registers load & stores */
+ OPC_MFHI = 0x10 | OPC_SPECIAL,
+ OPC_MTHI = 0x11 | OPC_SPECIAL,
+ OPC_MFLO = 0x12 | OPC_SPECIAL,
+ OPC_MTLO = 0x13 | OPC_SPECIAL,
+ /* Conditional moves */
+ OPC_MOVZ = 0x0A | OPC_SPECIAL,
+ OPC_MOVN = 0x0B | OPC_SPECIAL,
+
+ OPC_MOVCI = 0x01 | OPC_SPECIAL,
+
+ /* Special */
+ OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */
+ OPC_SYSCALL = 0x0C | OPC_SPECIAL,
+ OPC_BREAK = 0x0D | OPC_SPECIAL,
+ OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */
+ OPC_SYNC = 0x0F | OPC_SPECIAL,
+
+ OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL,
+ OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
+ OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
+ OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL,
+ OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL,
+ OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
+ OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
+};
+
+/* Multiplication variants of the vr54xx. */
+#define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6))
+
+enum {
+ OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT,
+ OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU,
+ OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT,
+ OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU,
+ OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT,
+ OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU,
+ OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT,
+ OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU,
+ OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT,
+ OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU,
+ OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT,
+ OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU,
+ OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT,
+ OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU,
+};
+
+/* REGIMM (rt field) opcodes */
+#define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16))
+
+enum {
+ OPC_BLTZ = (0x00 << 16) | OPC_REGIMM,
+ OPC_BLTZL = (0x02 << 16) | OPC_REGIMM,
+ OPC_BGEZ = (0x01 << 16) | OPC_REGIMM,
+ OPC_BGEZL = (0x03 << 16) | OPC_REGIMM,
+ OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM,
+ OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM,
+ OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM,
+ OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM,
+ OPC_TGEI = (0x08 << 16) | OPC_REGIMM,
+ OPC_TGEIU = (0x09 << 16) | OPC_REGIMM,
+ OPC_TLTI = (0x0A << 16) | OPC_REGIMM,
+ OPC_TLTIU = (0x0B << 16) | OPC_REGIMM,
+ OPC_TEQI = (0x0C << 16) | OPC_REGIMM,
+ OPC_TNEI = (0x0E << 16) | OPC_REGIMM,
+ OPC_SYNCI = (0x1F << 16) | OPC_REGIMM,
+};
+
+/* Special2 opcodes */
+#define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F)
+
+enum {
+ /* Multiply & xxx operations */
+ OPC_MADD = 0x00 | OPC_SPECIAL2,
+ OPC_MADDU = 0x01 | OPC_SPECIAL2,
+ OPC_MUL = 0x02 | OPC_SPECIAL2,
+ OPC_MSUB = 0x04 | OPC_SPECIAL2,
+ OPC_MSUBU = 0x05 | OPC_SPECIAL2,
+ /* Misc */
+ OPC_CLZ = 0x20 | OPC_SPECIAL2,
+ OPC_CLO = 0x21 | OPC_SPECIAL2,
+ OPC_DCLZ = 0x24 | OPC_SPECIAL2,
+ OPC_DCLO = 0x25 | OPC_SPECIAL2,
+ /* Special */
+ OPC_SDBBP = 0x3F | OPC_SPECIAL2,
+};
+
+/* Special3 opcodes */
+#define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
+
+enum {
+ OPC_EXT = 0x00 | OPC_SPECIAL3,
+ OPC_DEXTM = 0x01 | OPC_SPECIAL3,
+ OPC_DEXTU = 0x02 | OPC_SPECIAL3,
+ OPC_DEXT = 0x03 | OPC_SPECIAL3,
+ OPC_INS = 0x04 | OPC_SPECIAL3,
+ OPC_DINSM = 0x05 | OPC_SPECIAL3,
+ OPC_DINSU = 0x06 | OPC_SPECIAL3,
+ OPC_DINS = 0x07 | OPC_SPECIAL3,
+ OPC_FORK = 0x08 | OPC_SPECIAL3,
+ OPC_YIELD = 0x09 | OPC_SPECIAL3,
+ OPC_BSHFL = 0x20 | OPC_SPECIAL3,
+ OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
+ OPC_RDHWR = 0x3B | OPC_SPECIAL3,
+};
+
+/* BSHFL opcodes */
+#define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
+
+enum {
+ OPC_WSBH = (0x02 << 6) | OPC_BSHFL,
+ OPC_SEB = (0x10 << 6) | OPC_BSHFL,
+ OPC_SEH = (0x18 << 6) | OPC_BSHFL,
+};
+
+/* DBSHFL opcodes */
+#define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
+
+enum {
+ OPC_DSBH = (0x02 << 6) | OPC_DBSHFL,
+ OPC_DSHD = (0x05 << 6) | OPC_DBSHFL,
+};
+
+/* Coprocessor 0 (rs field) */
+#define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
+
+enum {
+ OPC_MFC0 = (0x00 << 21) | OPC_CP0,
+ OPC_DMFC0 = (0x01 << 21) | OPC_CP0,
+ OPC_MTC0 = (0x04 << 21) | OPC_CP0,
+ OPC_DMTC0 = (0x05 << 21) | OPC_CP0,
+ OPC_MFTR = (0x08 << 21) | OPC_CP0,
+ OPC_RDPGPR = (0x0A << 21) | OPC_CP0,
+ OPC_MFMC0 = (0x0B << 21) | OPC_CP0,
+ OPC_MTTR = (0x0C << 21) | OPC_CP0,
+ OPC_WRPGPR = (0x0E << 21) | OPC_CP0,
+ OPC_C0 = (0x10 << 21) | OPC_CP0,
+ OPC_C0_FIRST = (0x10 << 21) | OPC_CP0,
+ OPC_C0_LAST = (0x1F << 21) | OPC_CP0,
+};
+
+/* MFMC0 opcodes */
+#define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF)
+
+enum {
+ OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
+ OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
+ OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0,
+ OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0,
+ OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0,
+ OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0,
+};
+
+/* Coprocessor 0 (with rs == C0) */
+#define MASK_C0(op) MASK_CP0(op) | (op & 0x3F)
+
+enum {
+ OPC_TLBR = 0x01 | OPC_C0,
+ OPC_TLBWI = 0x02 | OPC_C0,
+ OPC_TLBWR = 0x06 | OPC_C0,
+ OPC_TLBP = 0x08 | OPC_C0,
+ OPC_RFE = 0x10 | OPC_C0,
+ OPC_ERET = 0x18 | OPC_C0,
+ OPC_DERET = 0x1F | OPC_C0,
+ OPC_WAIT = 0x20 | OPC_C0,
+};
+
+/* Coprocessor 1 (rs field) */
+#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
+
+enum {
+ OPC_MFC1 = (0x00 << 21) | OPC_CP1,
+ OPC_DMFC1 = (0x01 << 21) | OPC_CP1,
+ OPC_CFC1 = (0x02 << 21) | OPC_CP1,
+ OPC_MFHC1 = (0x03 << 21) | OPC_CP1,
+ OPC_MTC1 = (0x04 << 21) | OPC_CP1,
+ OPC_DMTC1 = (0x05 << 21) | OPC_CP1,
+ OPC_CTC1 = (0x06 << 21) | OPC_CP1,
+ OPC_MTHC1 = (0x07 << 21) | OPC_CP1,
+ OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
+ OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1,
+ OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1,
+ OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */
+ OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */
+ OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */
+ OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */
+ OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */
+ OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */
+ OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */
+};
+
+#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F)
+#define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16))
+
+enum {
+ OPC_BC1F = (0x00 << 16) | OPC_BC1,
+ OPC_BC1T = (0x01 << 16) | OPC_BC1,
+ OPC_BC1FL = (0x02 << 16) | OPC_BC1,
+ OPC_BC1TL = (0x03 << 16) | OPC_BC1,
+};
+
+enum {
+ OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2,
+ OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2,
+};
+
+enum {
+ OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4,
+ OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4,
+};
+
+#define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
+
+enum {
+ OPC_MFC2 = (0x00 << 21) | OPC_CP2,
+ OPC_DMFC2 = (0x01 << 21) | OPC_CP2,
+ OPC_CFC2 = (0x02 << 21) | OPC_CP2,
+ OPC_MFHC2 = (0x03 << 21) | OPC_CP2,
+ OPC_MTC2 = (0x04 << 21) | OPC_CP2,
+ OPC_DMTC2 = (0x05 << 21) | OPC_CP2,
+ OPC_CTC2 = (0x06 << 21) | OPC_CP2,
+ OPC_MTHC2 = (0x07 << 21) | OPC_CP2,
+ OPC_BC2 = (0x08 << 21) | OPC_CP2,
+};
+
+#define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
+
+enum {
+ OPC_LWXC1 = 0x00 | OPC_CP3,
+ OPC_LDXC1 = 0x01 | OPC_CP3,
+ OPC_LUXC1 = 0x05 | OPC_CP3,
+ OPC_SWXC1 = 0x08 | OPC_CP3,
+ OPC_SDXC1 = 0x09 | OPC_CP3,
+ OPC_SUXC1 = 0x0D | OPC_CP3,
+ OPC_PREFX = 0x0F | OPC_CP3,
+ OPC_ALNV_PS = 0x1E | OPC_CP3,
+ OPC_MADD_S = 0x20 | OPC_CP3,
+ OPC_MADD_D = 0x21 | OPC_CP3,
+ OPC_MADD_PS = 0x26 | OPC_CP3,
+ OPC_MSUB_S = 0x28 | OPC_CP3,
+ OPC_MSUB_D = 0x29 | OPC_CP3,
+ OPC_MSUB_PS = 0x2E | OPC_CP3,
+ OPC_NMADD_S = 0x30 | OPC_CP3,
+ OPC_NMADD_D = 0x31 | OPC_CP3,
+ OPC_NMADD_PS= 0x36 | OPC_CP3,
+ OPC_NMSUB_S = 0x38 | OPC_CP3,
+ OPC_NMSUB_D = 0x39 | OPC_CP3,
+ OPC_NMSUB_PS= 0x3E | OPC_CP3,
+};
+
+/* global register indices */
+static TCGv_ptr cpu_env;
+static TCGv cpu_gpr[32], cpu_PC;
+static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC], cpu_ACX[MIPS_DSP_ACC];
+static TCGv cpu_dspctrl, btarget, bcond;
+static TCGv_i32 hflags;
+static TCGv_i32 fpu_fcr0, fpu_fcr31;
+
+#include "gen-icount.h"
+
+#define gen_helper_0i(name, arg) do { \
+ TCGv_i32 helper_tmp = tcg_const_i32(arg); \
+ gen_helper_##name(helper_tmp); \
+ tcg_temp_free_i32(helper_tmp); \
+ } while(0)
+
+#define gen_helper_1i(name, arg1, arg2) do { \
+ TCGv_i32 helper_tmp = tcg_const_i32(arg2); \
+ gen_helper_##name(arg1, helper_tmp); \
+ tcg_temp_free_i32(helper_tmp); \
+ } while(0)
+
+#define gen_helper_2i(name, arg1, arg2, arg3) do { \
+ TCGv_i32 helper_tmp = tcg_const_i32(arg3); \
+ gen_helper_##name(arg1, arg2, helper_tmp); \
+ tcg_temp_free_i32(helper_tmp); \
+ } while(0)
+
+#define gen_helper_3i(name, arg1, arg2, arg3, arg4) do { \
+ TCGv_i32 helper_tmp = tcg_const_i32(arg4); \
+ gen_helper_##name(arg1, arg2, arg3, helper_tmp); \
+ tcg_temp_free_i32(helper_tmp); \
+ } while(0)
+
+typedef struct DisasContext {
+ struct TranslationBlock *tb;
+ target_ulong pc, saved_pc;
+ uint32_t opcode;
+ int singlestep_enabled;
+ /* Routine used to access memory */
+ int mem_idx;
+ uint32_t hflags, saved_hflags;
+ int bstate;
+ target_ulong btarget;
+} DisasContext;
+
+enum {
+ BS_NONE = 0, /* We go out of the TB without reaching a branch or an
+ * exception condition */
+ BS_STOP = 1, /* We want to stop translation for any reason */
+ BS_BRANCH = 2, /* We reached a branch condition */
+ BS_EXCP = 3, /* We reached an exception condition */
+};
+
+static const char *regnames[] =
+ { "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
+ "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
+ "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
+ "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", };
+
+static const char *regnames_HI[] =
+ { "HI0", "HI1", "HI2", "HI3", };
+
+static const char *regnames_LO[] =
+ { "LO0", "LO1", "LO2", "LO3", };
+
+static const char *regnames_ACX[] =
+ { "ACX0", "ACX1", "ACX2", "ACX3", };
+
+static const char *fregnames[] =
+ { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
+ "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
+ "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
+ "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", };
+
+#ifdef MIPS_DEBUG_DISAS
+#define MIPS_DEBUG(fmt, ...) \
+ qemu_log_mask(CPU_LOG_TB_IN_ASM, \
+ TARGET_FMT_lx ": %08x " fmt "\n", \
+ ctx->pc, ctx->opcode , ## __VA_ARGS__)
+#define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
+#else
+#define MIPS_DEBUG(fmt, ...) do { } while(0)
+#define LOG_DISAS(...) do { } while (0)
+#endif
+
+#define MIPS_INVAL(op) \
+do { \
+ MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \
+ ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \
+} while (0)
+
+/* General purpose registers moves. */
+static inline void gen_load_gpr (TCGv t, int reg)
+{
+ if (reg == 0)
+ tcg_gen_movi_tl(t, 0);
+ else
+ tcg_gen_mov_tl(t, cpu_gpr[reg]);
+}
+
+static inline void gen_store_gpr (TCGv t, int reg)
+{
+ if (reg != 0)
+ tcg_gen_mov_tl(cpu_gpr[reg], t);
+}
+
+/* Moves to/from ACX register. */
+static inline void gen_load_ACX (TCGv t, int reg)
+{
+ tcg_gen_mov_tl(t, cpu_ACX[reg]);
+}
+
+static inline void gen_store_ACX (TCGv t, int reg)
+{
+ tcg_gen_mov_tl(cpu_ACX[reg], t);
+}
+
+/* Moves to/from shadow registers. */
+static inline void gen_load_srsgpr (int from, int to)
+{
+ TCGv t0 = tcg_temp_new();
+
+ if (from == 0)
+ tcg_gen_movi_tl(t0, 0);
+ else {
+ TCGv_i32 t2 = tcg_temp_new_i32();
+ TCGv_ptr addr = tcg_temp_new_ptr();
+
+ tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl));
+ tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
+ tcg_gen_andi_i32(t2, t2, 0xf);
+ tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
+ tcg_gen_ext_i32_ptr(addr, t2);
+ tcg_gen_add_ptr(addr, cpu_env, addr);
+
+ tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
+ tcg_temp_free_ptr(addr);
+ tcg_temp_free_i32(t2);
+ }
+ gen_store_gpr(t0, to);
+ tcg_temp_free(t0);
+}
+
+static inline void gen_store_srsgpr (int from, int to)
+{
+ if (to != 0) {
+ TCGv t0 = tcg_temp_new();
+ TCGv_i32 t2 = tcg_temp_new_i32();
+ TCGv_ptr addr = tcg_temp_new_ptr();
+
+ gen_load_gpr(t0, from);
+ tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl));
+ tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
+ tcg_gen_andi_i32(t2, t2, 0xf);
+ tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
+ tcg_gen_ext_i32_ptr(addr, t2);
+ tcg_gen_add_ptr(addr, cpu_env, addr);
+
+ tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
+ tcg_temp_free_ptr(addr);
+ tcg_temp_free_i32(t2);
+ tcg_temp_free(t0);
+ }
+}
+
+/* Floating point register moves. */
+static inline void gen_load_fpr32 (TCGv_i32 t, int reg)
+{
+ tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX]));
+}
+
+static inline void gen_store_fpr32 (TCGv_i32 t, int reg)
+{
+ tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX]));
+}
+
+static inline void gen_load_fpr32h (TCGv_i32 t, int reg)
+{
+ tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX]));
+}
+
+static inline void gen_store_fpr32h (TCGv_i32 t, int reg)
+{
+ tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX]));
+}
+
+static inline void gen_load_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg)
+{
+ if (ctx->hflags & MIPS_HFLAG_F64) {
+ tcg_gen_ld_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d));
+ } else {
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ TCGv_i32 t1 = tcg_temp_new_i32();
+ gen_load_fpr32(t0, reg & ~1);
+ gen_load_fpr32(t1, reg | 1);
+ tcg_gen_concat_i32_i64(t, t0, t1);
+ tcg_temp_free_i32(t0);
+ tcg_temp_free_i32(t1);
+ }
+}
+
+static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg)
+{
+ if (ctx->hflags & MIPS_HFLAG_F64) {
+ tcg_gen_st_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d));
+ } else {
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ TCGv_i32 t1 = tcg_temp_new_i32();
+ tcg_gen_trunc_i64_i32(t1, t);
+ gen_store_fpr32(t1, reg & ~1);
+ tcg_gen_shri_i64(t0, t, 32);
+ tcg_gen_trunc_i64_i32(t1, t0);
+ gen_store_fpr32(t1, reg | 1);
+ tcg_temp_free_i32(t1);
+ tcg_temp_free_i64(t0);
+ }
+}
+
+static inline int get_fp_bit (int cc)
+{
+ if (cc)
+ return 24 + cc;
+ else
+ return 23;
+}
+
+#define FOP_CONDS(type, fmt, bits) \
+static inline void gen_cmp ## type ## _ ## fmt(int n, TCGv_i##bits a, \
+ TCGv_i##bits b, int cc) \
+{ \
+ switch (n) { \
+ case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, a, b, cc); break;\
+ case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, a, b, cc); break;\
+ case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, a, b, cc); break;\
+ case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, a, b, cc); break;\
+ case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, a, b, cc); break;\
+ case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, a, b, cc); break;\
+ case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, a, b, cc); break;\
+ case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, a, b, cc); break;\
+ case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, a, b, cc); break;\
+ case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, a, b, cc); break;\
+ case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, a, b, cc); break;\
+ case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, a, b, cc); break;\
+ case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, a, b, cc); break;\
+ case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, a, b, cc); break;\
+ case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, a, b, cc); break;\
+ case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, a, b, cc); break;\
+ default: abort(); \
+ } \
+}
+
+FOP_CONDS(, d, 64)
+FOP_CONDS(abs, d, 64)
+FOP_CONDS(, s, 32)
+FOP_CONDS(abs, s, 32)
+FOP_CONDS(, ps, 64)
+FOP_CONDS(abs, ps, 64)
+#undef FOP_CONDS
+
+/* Tests */
+#define OP_COND(name, cond) \
+static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, TCGv t1) \
+{ \
+ int l1 = gen_new_label(); \
+ int l2 = gen_new_label(); \
+ \
+ tcg_gen_brcond_tl(cond, t0, t1, l1); \
+ tcg_gen_movi_tl(ret, 0); \
+ tcg_gen_br(l2); \
+ gen_set_label(l1); \
+ tcg_gen_movi_tl(ret, 1); \
+ gen_set_label(l2); \
+}
+OP_COND(eq, TCG_COND_EQ);
+OP_COND(ne, TCG_COND_NE);
+OP_COND(ge, TCG_COND_GE);
+OP_COND(geu, TCG_COND_GEU);
+OP_COND(lt, TCG_COND_LT);
+OP_COND(ltu, TCG_COND_LTU);
+#undef OP_COND
+
+#define OP_CONDI(name, cond) \
+static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, target_ulong val) \
+{ \
+ int l1 = gen_new_label(); \
+ int l2 = gen_new_label(); \
+ \
+ tcg_gen_brcondi_tl(cond, t0, val, l1); \
+ tcg_gen_movi_tl(ret, 0); \
+ tcg_gen_br(l2); \
+ gen_set_label(l1); \
+ tcg_gen_movi_tl(ret, 1); \
+ gen_set_label(l2); \
+}
+OP_CONDI(lti, TCG_COND_LT);
+OP_CONDI(ltiu, TCG_COND_LTU);
+#undef OP_CONDI
+
+#define OP_CONDZ(name, cond) \
+static inline void glue(gen_op_, name) (TCGv ret, TCGv t0) \
+{ \
+ int l1 = gen_new_label(); \
+ int l2 = gen_new_label(); \
+ \
+ tcg_gen_brcondi_tl(cond, t0, 0, l1); \
+ tcg_gen_movi_tl(ret, 0); \
+ tcg_gen_br(l2); \
+ gen_set_label(l1); \
+ tcg_gen_movi_tl(ret, 1); \
+ gen_set_label(l2); \
+}
+OP_CONDZ(gez, TCG_COND_GE);
+OP_CONDZ(gtz, TCG_COND_GT);
+OP_CONDZ(lez, TCG_COND_LE);
+OP_CONDZ(ltz, TCG_COND_LT);
+#undef OP_CONDZ
+
+static inline void gen_save_pc(target_ulong pc)
+{
+ tcg_gen_movi_tl(cpu_PC, pc);
+}
+
+static inline void save_cpu_state (DisasContext *ctx, int do_save_pc)
+{
+ LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
+ if (do_save_pc && ctx->pc != ctx->saved_pc) {
+ gen_save_pc(ctx->pc);
+ ctx->saved_pc = ctx->pc;
+ }
+ if (ctx->hflags != ctx->saved_hflags) {
+ tcg_gen_movi_i32(hflags, ctx->hflags);
+ ctx->saved_hflags = ctx->hflags;
+ switch (ctx->hflags & MIPS_HFLAG_BMASK) {
+ case MIPS_HFLAG_BR:
+ break;
+ case MIPS_HFLAG_BC:
+ case MIPS_HFLAG_BL:
+ case MIPS_HFLAG_B:
+ tcg_gen_movi_tl(btarget, ctx->btarget);
+ break;
+ }
+ }
+}
+
+static inline void restore_cpu_state (CPUState *env, DisasContext *ctx)
+{
+ ctx->saved_hflags = ctx->hflags;
+ switch (ctx->hflags & MIPS_HFLAG_BMASK) {
+ case MIPS_HFLAG_BR:
+ break;
+ case MIPS_HFLAG_BC:
+ case MIPS_HFLAG_BL:
+ case MIPS_HFLAG_B:
+ ctx->btarget = env->btarget;
+ break;
+ }
+}
+
+static inline void
+generate_exception_err (DisasContext *ctx, int excp, int err)
+{
+ TCGv_i32 texcp = tcg_const_i32(excp);
+ TCGv_i32 terr = tcg_const_i32(err);
+ save_cpu_state(ctx, 1);
+ gen_helper_raise_exception_err(texcp, terr);
+ tcg_temp_free_i32(terr);
+ tcg_temp_free_i32(texcp);
+}
+
+static inline void
+generate_exception (DisasContext *ctx, int excp)
+{
+ save_cpu_state(ctx, 1);
+ gen_helper_0i(raise_exception, excp);
+}
+
+/* Addresses computation */
+static inline void gen_op_addr_add (DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1)
+{
+ tcg_gen_add_tl(ret, arg0, arg1);
+
+#if defined(TARGET_MIPS64)
+ /* For compatibility with 32-bit code, data reference in user mode
+ with Status_UX = 0 should be casted to 32-bit and sign extended.
+ See the MIPS64 PRA manual, section 4.10. */
+ if (((ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
+ !(ctx->hflags & MIPS_HFLAG_UX)) {
+ tcg_gen_ext32s_i64(ret, ret);
+ }
+#endif
+}
+
+static inline void check_cp0_enabled(DisasContext *ctx)
+{
+ if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
+ generate_exception_err(ctx, EXCP_CpU, 0);
+}
+
+static inline void check_cp1_enabled(DisasContext *ctx)
+{
+ if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
+ generate_exception_err(ctx, EXCP_CpU, 1);
+}
+
+/* Verify that the processor is running with COP1X instructions enabled.
+ This is associated with the nabla symbol in the MIPS32 and MIPS64
+ opcode tables. */
+
+static inline void check_cop1x(DisasContext *ctx)
+{
+ if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
+ generate_exception(ctx, EXCP_RI);
+}
+
+/* Verify that the processor is running with 64-bit floating-point
+ operations enabled. */
+
+static inline void check_cp1_64bitmode(DisasContext *ctx)
+{
+ if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
+ generate_exception(ctx, EXCP_RI);
+}
+
+/*
+ * Verify if floating point register is valid; an operation is not defined
+ * if bit 0 of any register specification is set and the FR bit in the
+ * Status register equals zero, since the register numbers specify an
+ * even-odd pair of adjacent coprocessor general registers. When the FR bit
+ * in the Status register equals one, both even and odd register numbers
+ * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
+ *
+ * Multiple 64 bit wide registers can be checked by calling
+ * gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
+ */
+static inline void check_cp1_registers(DisasContext *ctx, int regs)
+{
+ if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1)))
+ generate_exception(ctx, EXCP_RI);
+}
+
+/* This code generates a "reserved instruction" exception if the
+ CPU does not support the instruction set corresponding to flags. */
+static inline void check_insn(CPUState *env, DisasContext *ctx, int flags)
+{
+ if (unlikely(!(env->insn_flags & flags)))
+ generate_exception(ctx, EXCP_RI);
+}
+
+/* This code generates a "reserved instruction" exception if 64-bit
+ instructions are not enabled. */
+static inline void check_mips_64(DisasContext *ctx)
+{
+ if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
+ generate_exception(ctx, EXCP_RI);
+}
+
+/* load/store instructions. */
+#define OP_LD(insn,fname) \
+static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
+{ \
+ tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \
+}
+OP_LD(lb,ld8s);
+OP_LD(lbu,ld8u);
+OP_LD(lh,ld16s);
+OP_LD(lhu,ld16u);
+OP_LD(lw,ld32s);
+#if defined(TARGET_MIPS64)
+OP_LD(lwu,ld32u);
+OP_LD(ld,ld64);
+#endif
+#undef OP_LD
+
+#define OP_ST(insn,fname) \
+static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, DisasContext *ctx) \
+{ \
+ tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \
+}
+OP_ST(sb,st8);
+OP_ST(sh,st16);
+OP_ST(sw,st32);
+#if defined(TARGET_MIPS64)
+OP_ST(sd,st64);
+#endif
+#undef OP_ST
+
+#ifdef CONFIG_USER_ONLY
+#define OP_LD_ATOMIC(insn,fname) \
+static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
+{ \
+ TCGv t0 = tcg_temp_new(); \
+ tcg_gen_mov_tl(t0, arg1); \
+ tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \
+ tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \
+ tcg_gen_st_tl(ret, cpu_env, offsetof(CPUState, llval)); \
+ tcg_temp_free(t0); \
+}
+#else
+#define OP_LD_ATOMIC(insn,fname) \
+static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
+{ \
+ gen_helper_2i(insn, ret, arg1, ctx->mem_idx); \
+}
+#endif
+OP_LD_ATOMIC(ll,ld32s);
+#if defined(TARGET_MIPS64)
+OP_LD_ATOMIC(lld,ld64);
+#endif
+#undef OP_LD_ATOMIC
+
+#ifdef CONFIG_USER_ONLY
+#define OP_ST_ATOMIC(insn,fname,ldname,almask) \
+static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \
+{ \
+ TCGv t0 = tcg_temp_new(); \
+ int l1 = gen_new_label(); \
+ int l2 = gen_new_label(); \
+ \
+ tcg_gen_andi_tl(t0, arg2, almask); \
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \
+ tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \
+ generate_exception(ctx, EXCP_AdES); \
+ gen_set_label(l1); \
+ tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \
+ tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \
+ tcg_gen_movi_tl(t0, rt | ((almask << 3) & 0x20)); \
+ tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, llreg)); \
+ tcg_gen_st_tl(arg1, cpu_env, offsetof(CPUState, llnewval)); \
+ gen_helper_0i(raise_exception, EXCP_SC); \
+ gen_set_label(l2); \
+ tcg_gen_movi_tl(t0, 0); \
+ gen_store_gpr(t0, rt); \
+ tcg_temp_free(t0); \
+}
+#else
+#define OP_ST_ATOMIC(insn,fname,ldname,almask) \
+static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \
+{ \
+ TCGv t0 = tcg_temp_new(); \
+ gen_helper_3i(insn, t0, arg1, arg2, ctx->mem_idx); \
+ gen_store_gpr(t0, rt); \
+ tcg_temp_free(t0); \
+}
+#endif
+OP_ST_ATOMIC(sc,st32,ld32s,0x3);
+#if defined(TARGET_MIPS64)
+OP_ST_ATOMIC(scd,st64,ld64,0x7);
+#endif
+#undef OP_ST_ATOMIC
+
+/* Load and store */
+static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
+ int base, int16_t offset)
+{
+ const char *opn = "ldst";
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+
+ if (base == 0) {
+ tcg_gen_movi_tl(t0, offset);
+ } else if (offset == 0) {
+ gen_load_gpr(t0, base);
+ } else {
+ tcg_gen_movi_tl(t0, offset);
+ gen_op_addr_add(ctx, t0, cpu_gpr[base], t0);
+ }
+ /* Don't do NOP if destination is zero: we must perform the actual
+ memory access. */
+ switch (opc) {
+#if defined(TARGET_MIPS64)
+ case OPC_LWU:
+ save_cpu_state(ctx, 0);
+ op_ldst_lwu(t0, t0, ctx);
+ gen_store_gpr(t0, rt);
+ opn = "lwu";
+ break;
+ case OPC_LD:
+ save_cpu_state(ctx, 0);
+ op_ldst_ld(t0, t0, ctx);
+ gen_store_gpr(t0, rt);
+ opn = "ld";
+ break;
+ case OPC_LLD:
+ save_cpu_state(ctx, 0);
+ op_ldst_lld(t0, t0, ctx);
+ gen_store_gpr(t0, rt);
+ opn = "lld";
+ break;
+ case OPC_SD:
+ save_cpu_state(ctx, 0);
+ gen_load_gpr(t1, rt);
+ op_ldst_sd(t1, t0, ctx);
+ opn = "sd";
+ break;
+ case OPC_LDL:
+ save_cpu_state(ctx, 1);
+ gen_load_gpr(t1, rt);
+ gen_helper_3i(ldl, t1, t1, t0, ctx->mem_idx);
+ gen_store_gpr(t1, rt);
+ opn = "ldl";
+ break;
+ case OPC_SDL:
+ save_cpu_state(ctx, 1);
+ gen_load_gpr(t1, rt);
+ gen_helper_2i(sdl, t1, t0, ctx->mem_idx);
+ opn = "sdl";
+ break;
+ case OPC_LDR:
+ save_cpu_state(ctx, 1);
+ gen_load_gpr(t1, rt);
+ gen_helper_3i(ldr, t1, t1, t0, ctx->mem_idx);
+ gen_store_gpr(t1, rt);
+ opn = "ldr";
+ break;
+ case OPC_SDR:
+ save_cpu_state(ctx, 1);
+ gen_load_gpr(t1, rt);
+ gen_helper_2i(sdr, t1, t0, ctx->mem_idx);
+ opn = "sdr";
+ break;
+#endif
+ case OPC_LW:
+ save_cpu_state(ctx, 0);
+ op_ldst_lw(t0, t0, ctx);
+ gen_store_gpr(t0, rt);
+ opn = "lw";
+ break;
+ case OPC_SW:
+ save_cpu_state(ctx, 0);
+ gen_load_gpr(t1, rt);
+ op_ldst_sw(t1, t0, ctx);
+ opn = "sw";
+ break;
+ case OPC_LH:
+ save_cpu_state(ctx, 0);
+ op_ldst_lh(t0, t0, ctx);
+ gen_store_gpr(t0, rt);
+ opn = "lh";
+ break;
+ case OPC_SH:
+ save_cpu_state(ctx, 0);
+ gen_load_gpr(t1, rt);
+ op_ldst_sh(t1, t0, ctx);
+ opn = "sh";
+ break;
+ case OPC_LHU:
+ save_cpu_state(ctx, 0);
+ op_ldst_lhu(t0, t0, ctx);
+ gen_store_gpr(t0, rt);
+ opn = "lhu";
+ break;
+ case OPC_LB:
+ save_cpu_state(ctx, 0);
+ op_ldst_lb(t0, t0, ctx);
+ gen_store_gpr(t0, rt);
+ opn = "lb";
+ break;
+ case OPC_SB:
+ save_cpu_state(ctx, 0);
+ gen_load_gpr(t1, rt);
+ op_ldst_sb(t1, t0, ctx);
+ opn = "sb";
+ break;
+ case OPC_LBU:
+ save_cpu_state(ctx, 0);
+ op_ldst_lbu(t0, t0, ctx);
+ gen_store_gpr(t0, rt);
+ opn = "lbu";
+ break;
+ case OPC_LWL:
+ save_cpu_state(ctx, 1);
+ gen_load_gpr(t1, rt);
+ gen_helper_3i(lwl, t1, t1, t0, ctx->mem_idx);
+ gen_store_gpr(t1, rt);
+ opn = "lwl";
+ break;
+ case OPC_SWL:
+ save_cpu_state(ctx, 1);
+ gen_load_gpr(t1, rt);
+ gen_helper_2i(swl, t1, t0, ctx->mem_idx);
+ opn = "swr";
+ break;
+ case OPC_LWR:
+ save_cpu_state(ctx, 1);
+ gen_load_gpr(t1, rt);
+ gen_helper_3i(lwr, t1, t1, t0, ctx->mem_idx);
+ gen_store_gpr(t1, rt);
+ opn = "lwr";
+ break;
+ case OPC_SWR:
+ save_cpu_state(ctx, 1);
+ gen_load_gpr(t1, rt);
+ gen_helper_2i(swr, t1, t0, ctx->mem_idx);
+ opn = "swr";
+ break;
+ case OPC_LL:
+ save_cpu_state(ctx, 1);
+ op_ldst_ll(t0, t0, ctx);
+ gen_store_gpr(t0, rt);
+ opn = "ll";
+ break;
+ }
+ MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+}
+
+/* Store conditional */
+static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt,
+ int base, int16_t offset)
+{
+ const char *opn = "st_cond";
+ TCGv t0, t1;
+
+ t0 = tcg_temp_local_new();
+
+ if (base == 0) {
+ tcg_gen_movi_tl(t0, offset);
+ } else if (offset == 0) {
+ gen_load_gpr(t0, base);
+ } else {
+ tcg_gen_movi_tl(t0, offset);
+ gen_op_addr_add(ctx, t0, cpu_gpr[base], t0);
+ }
+ /* Don't do NOP if destination is zero: we must perform the actual
+ memory access. */
+
+ t1 = tcg_temp_local_new();
+ gen_load_gpr(t1, rt);
+ switch (opc) {
+#if defined(TARGET_MIPS64)
+ case OPC_SCD:
+ save_cpu_state(ctx, 0);
+ op_ldst_scd(t1, t0, rt, ctx);
+ opn = "scd";
+ break;
+#endif
+ case OPC_SC:
+ save_cpu_state(ctx, 1);
+ op_ldst_sc(t1, t0, rt, ctx);
+ opn = "sc";
+ break;
+ }
+ MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
+ tcg_temp_free(t1);
+ tcg_temp_free(t0);
+}
+
+/* Load and store */
+static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
+ int base, int16_t offset)
+{
+ const char *opn = "flt_ldst";
+ TCGv t0 = tcg_temp_new();
+
+ if (base == 0) {
+ tcg_gen_movi_tl(t0, offset);
+ } else if (offset == 0) {
+ gen_load_gpr(t0, base);
+ } else {
+ tcg_gen_movi_tl(t0, offset);
+ gen_op_addr_add(ctx, t0, cpu_gpr[base], t0);
+ }
+ /* Don't do NOP if destination is zero: we must perform the actual
+ memory access. */
+ switch (opc) {
+ case OPC_LWC1:
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx);
+ tcg_gen_trunc_tl_i32(fp0, t0);
+ gen_store_fpr32(fp0, ft);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "lwc1";
+ break;
+ case OPC_SWC1:
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv t1 = tcg_temp_new();
+
+ gen_load_fpr32(fp0, ft);
+ tcg_gen_extu_i32_tl(t1, fp0);
+ tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
+ tcg_temp_free(t1);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "swc1";
+ break;
+ case OPC_LDC1:
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
+ gen_store_fpr64(ctx, fp0, ft);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "ldc1";
+ break;
+ case OPC_SDC1:
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, ft);
+ tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "sdc1";
+ break;
+ default:
+ MIPS_INVAL(opn);
+ generate_exception(ctx, EXCP_RI);
+ goto out;
+ }
+ MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
+ out:
+ tcg_temp_free(t0);
+}
+
+/* Arithmetic with immediate operand */
+static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc,
+ int rt, int rs, int16_t imm)
+{
+ target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
+ const char *opn = "imm arith";
+
+ if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
+ /* If no destination, treat it as a NOP.
+ For addi, we must generate the overflow exception when needed. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+ switch (opc) {
+ case OPC_ADDI:
+ {
+ TCGv t0 = tcg_temp_local_new();
+ TCGv t1 = tcg_temp_new();
+ TCGv t2 = tcg_temp_new();
+ int l1 = gen_new_label();
+
+ gen_load_gpr(t1, rs);
+ tcg_gen_addi_tl(t0, t1, uimm);
+ tcg_gen_ext32s_tl(t0, t0);
+
+ tcg_gen_xori_tl(t1, t1, ~uimm);
+ tcg_gen_xori_tl(t2, t0, uimm);
+ tcg_gen_and_tl(t1, t1, t2);
+ tcg_temp_free(t2);
+ tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
+ tcg_temp_free(t1);
+ /* operands of same sign, result different sign */
+ generate_exception(ctx, EXCP_OVERFLOW);
+ gen_set_label(l1);
+ tcg_gen_ext32s_tl(t0, t0);
+ gen_store_gpr(t0, rt);
+ tcg_temp_free(t0);
+ }
+ opn = "addi";
+ break;
+ case OPC_ADDIU:
+ if (rs != 0) {
+ tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
+ tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rt], uimm);
+ }
+ opn = "addiu";
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DADDI:
+ {
+ TCGv t0 = tcg_temp_local_new();
+ TCGv t1 = tcg_temp_new();
+ TCGv t2 = tcg_temp_new();
+ int l1 = gen_new_label();
+
+ gen_load_gpr(t1, rs);
+ tcg_gen_addi_tl(t0, t1, uimm);
+
+ tcg_gen_xori_tl(t1, t1, ~uimm);
+ tcg_gen_xori_tl(t2, t0, uimm);
+ tcg_gen_and_tl(t1, t1, t2);
+ tcg_temp_free(t2);
+ tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
+ tcg_temp_free(t1);
+ /* operands of same sign, result different sign */
+ generate_exception(ctx, EXCP_OVERFLOW);
+ gen_set_label(l1);
+ gen_store_gpr(t0, rt);
+ tcg_temp_free(t0);
+ }
+ opn = "daddi";
+ break;
+ case OPC_DADDIU:
+ if (rs != 0) {
+ tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rt], uimm);
+ }
+ opn = "daddiu";
+ break;
+#endif
+ }
+ MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
+}
+
+/* Logic with immediate operand */
+static void gen_logic_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm)
+{
+ target_ulong uimm;
+ const char *opn = "imm logic";
+
+ if (rt == 0) {
+ /* If no destination, treat it as a NOP. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+ uimm = (uint16_t)imm;
+ switch (opc) {
+ case OPC_ANDI:
+ if (likely(rs != 0))
+ tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
+ else
+ tcg_gen_movi_tl(cpu_gpr[rt], 0);
+ opn = "andi";
+ break;
+ case OPC_ORI:
+ if (rs != 0)
+ tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
+ else
+ tcg_gen_movi_tl(cpu_gpr[rt], uimm);
+ opn = "ori";
+ break;
+ case OPC_XORI:
+ if (likely(rs != 0))
+ tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
+ else
+ tcg_gen_movi_tl(cpu_gpr[rt], uimm);
+ opn = "xori";
+ break;
+ case OPC_LUI:
+ tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
+ opn = "lui";
+ break;
+ }
+ MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
+}
+
+/* Set on less than with immediate operand */
+static void gen_slt_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm)
+{
+ target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
+ const char *opn = "imm arith";
+ TCGv t0;
+
+ if (rt == 0) {
+ /* If no destination, treat it as a NOP. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+ t0 = tcg_temp_new();
+ gen_load_gpr(t0, rs);
+ switch (opc) {
+ case OPC_SLTI:
+ gen_op_lti(cpu_gpr[rt], t0, uimm);
+ opn = "slti";
+ break;
+ case OPC_SLTIU:
+ gen_op_ltiu(cpu_gpr[rt], t0, uimm);
+ opn = "sltiu";
+ break;
+ }
+ MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
+ tcg_temp_free(t0);
+}
+
+/* Shifts with immediate operand */
+static void gen_shift_imm(CPUState *env, DisasContext *ctx, uint32_t opc,
+ int rt, int rs, int16_t imm)
+{
+ target_ulong uimm = ((uint16_t)imm) & 0x1f;
+ const char *opn = "imm shift";
+ TCGv t0;
+
+ if (rt == 0) {
+ /* If no destination, treat it as a NOP. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+
+ t0 = tcg_temp_new();
+ gen_load_gpr(t0, rs);
+ switch (opc) {
+ case OPC_SLL:
+ tcg_gen_shli_tl(t0, t0, uimm);
+ tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
+ opn = "sll";
+ break;
+ case OPC_SRA:
+ tcg_gen_ext32s_tl(t0, t0);
+ tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
+ opn = "sra";
+ break;
+ case OPC_SRL:
+ switch ((ctx->opcode >> 21) & 0x1f) {
+ case 0:
+ if (uimm != 0) {
+ tcg_gen_ext32u_tl(t0, t0);
+ tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
+ } else {
+ tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
+ }
+ opn = "srl";
+ break;
+ case 1:
+ /* rotr is decoded as srl on non-R2 CPUs */
+ if (env->insn_flags & ISA_MIPS32R2) {
+ if (uimm != 0) {
+ TCGv_i32 t1 = tcg_temp_new_i32();
+
+ tcg_gen_trunc_tl_i32(t1, t0);
+ tcg_gen_rotri_i32(t1, t1, uimm);
+ tcg_gen_ext_i32_tl(cpu_gpr[rt], t1);
+ tcg_temp_free_i32(t1);
+ } else {
+ tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
+ }
+ opn = "rotr";
+ } else {
+ if (uimm != 0) {
+ tcg_gen_ext32u_tl(t0, t0);
+ tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
+ } else {
+ tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
+ }
+ opn = "srl";
+ }
+ break;
+ default:
+ MIPS_INVAL("invalid srl flag");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DSLL:
+ tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm);
+ opn = "dsll";
+ break;
+ case OPC_DSRA:
+ tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
+ opn = "dsra";
+ break;
+ case OPC_DSRL:
+ switch ((ctx->opcode >> 21) & 0x1f) {
+ case 0:
+ tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
+ opn = "dsrl";
+ break;
+ case 1:
+ /* drotr is decoded as dsrl on non-R2 CPUs */
+ if (env->insn_flags & ISA_MIPS32R2) {
+ if (uimm != 0) {
+ tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm);
+ } else {
+ tcg_gen_mov_tl(cpu_gpr[rt], t0);
+ }
+ opn = "drotr";
+ } else {
+ tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
+ opn = "dsrl";
+ }
+ break;
+ default:
+ MIPS_INVAL("invalid dsrl flag");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+ case OPC_DSLL32:
+ tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
+ opn = "dsll32";
+ break;
+ case OPC_DSRA32:
+ tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
+ opn = "dsra32";
+ break;
+ case OPC_DSRL32:
+ switch ((ctx->opcode >> 21) & 0x1f) {
+ case 0:
+ tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
+ opn = "dsrl32";
+ break;
+ case 1:
+ /* drotr32 is decoded as dsrl32 on non-R2 CPUs */
+ if (env->insn_flags & ISA_MIPS32R2) {
+ tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
+ opn = "drotr32";
+ } else {
+ tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
+ opn = "dsrl32";
+ }
+ break;
+ default:
+ MIPS_INVAL("invalid dsrl32 flag");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+#endif
+ }
+ MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
+ tcg_temp_free(t0);
+}
+
+/* Arithmetic */
+static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc,
+ int rd, int rs, int rt)
+{
+ const char *opn = "arith";
+
+ if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
+ && opc != OPC_DADD && opc != OPC_DSUB) {
+ /* If no destination, treat it as a NOP.
+ For add & sub, we must generate the overflow exception when needed. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+
+ switch (opc) {
+ case OPC_ADD:
+ {
+ TCGv t0 = tcg_temp_local_new();
+ TCGv t1 = tcg_temp_new();
+ TCGv t2 = tcg_temp_new();
+ int l1 = gen_new_label();
+
+ gen_load_gpr(t1, rs);
+ gen_load_gpr(t2, rt);
+ tcg_gen_add_tl(t0, t1, t2);
+ tcg_gen_ext32s_tl(t0, t0);
+ tcg_gen_xor_tl(t1, t1, t2);
+ tcg_gen_not_tl(t1, t1);
+ tcg_gen_xor_tl(t2, t0, t2);
+ tcg_gen_and_tl(t1, t1, t2);
+ tcg_temp_free(t2);
+ tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
+ tcg_temp_free(t1);
+ /* operands of same sign, result different sign */
+ generate_exception(ctx, EXCP_OVERFLOW);
+ gen_set_label(l1);
+ gen_store_gpr(t0, rd);
+ tcg_temp_free(t0);
+ }
+ opn = "add";
+ break;
+ case OPC_ADDU:
+ if (rs != 0 && rt != 0) {
+ tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
+ tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
+ } else if (rs == 0 && rt != 0) {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
+ } else if (rs != 0 && rt == 0) {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rd], 0);
+ }
+ opn = "addu";
+ break;
+ case OPC_SUB:
+ {
+ TCGv t0 = tcg_temp_local_new();
+ TCGv t1 = tcg_temp_new();
+ TCGv t2 = tcg_temp_new();
+ int l1 = gen_new_label();
+
+ gen_load_gpr(t1, rs);
+ gen_load_gpr(t2, rt);
+ tcg_gen_sub_tl(t0, t1, t2);
+ tcg_gen_ext32s_tl(t0, t0);
+ tcg_gen_xor_tl(t2, t1, t2);
+ tcg_gen_xor_tl(t1, t0, t1);
+ tcg_gen_and_tl(t1, t1, t2);
+ tcg_temp_free(t2);
+ tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
+ tcg_temp_free(t1);
+ /* operands of different sign, first operand and result different sign */
+ generate_exception(ctx, EXCP_OVERFLOW);
+ gen_set_label(l1);
+ gen_store_gpr(t0, rd);
+ tcg_temp_free(t0);
+ }
+ opn = "sub";
+ break;
+ case OPC_SUBU:
+ if (rs != 0 && rt != 0) {
+ tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
+ tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
+ } else if (rs == 0 && rt != 0) {
+ tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
+ tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
+ } else if (rs != 0 && rt == 0) {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rd], 0);
+ }
+ opn = "subu";
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DADD:
+ {
+ TCGv t0 = tcg_temp_local_new();
+ TCGv t1 = tcg_temp_new();
+ TCGv t2 = tcg_temp_new();
+ int l1 = gen_new_label();
+
+ gen_load_gpr(t1, rs);
+ gen_load_gpr(t2, rt);
+ tcg_gen_add_tl(t0, t1, t2);
+ tcg_gen_xor_tl(t1, t1, t2);
+ tcg_gen_not_tl(t1, t1);
+ tcg_gen_xor_tl(t2, t0, t2);
+ tcg_gen_and_tl(t1, t1, t2);
+ tcg_temp_free(t2);
+ tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
+ tcg_temp_free(t1);
+ /* operands of same sign, result different sign */
+ generate_exception(ctx, EXCP_OVERFLOW);
+ gen_set_label(l1);
+ gen_store_gpr(t0, rd);
+ tcg_temp_free(t0);
+ }
+ opn = "dadd";
+ break;
+ case OPC_DADDU:
+ if (rs != 0 && rt != 0) {
+ tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
+ } else if (rs == 0 && rt != 0) {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
+ } else if (rs != 0 && rt == 0) {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rd], 0);
+ }
+ opn = "daddu";
+ break;
+ case OPC_DSUB:
+ {
+ TCGv t0 = tcg_temp_local_new();
+ TCGv t1 = tcg_temp_new();
+ TCGv t2 = tcg_temp_new();
+ int l1 = gen_new_label();
+
+ gen_load_gpr(t1, rs);
+ gen_load_gpr(t2, rt);
+ tcg_gen_sub_tl(t0, t1, t2);
+ tcg_gen_xor_tl(t2, t1, t2);
+ tcg_gen_xor_tl(t1, t0, t1);
+ tcg_gen_and_tl(t1, t1, t2);
+ tcg_temp_free(t2);
+ tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
+ tcg_temp_free(t1);
+ /* operands of different sign, first operand and result different sign */
+ generate_exception(ctx, EXCP_OVERFLOW);
+ gen_set_label(l1);
+ gen_store_gpr(t0, rd);
+ tcg_temp_free(t0);
+ }
+ opn = "dsub";
+ break;
+ case OPC_DSUBU:
+ if (rs != 0 && rt != 0) {
+ tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
+ } else if (rs == 0 && rt != 0) {
+ tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
+ } else if (rs != 0 && rt == 0) {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rd], 0);
+ }
+ opn = "dsubu";
+ break;
+#endif
+ case OPC_MUL:
+ if (likely(rs != 0 && rt != 0)) {
+ tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
+ tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rd], 0);
+ }
+ opn = "mul";
+ break;
+ }
+ MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
+}
+
+/* Conditional move */
+static void gen_cond_move (CPUState *env, uint32_t opc, int rd, int rs, int rt)
+{
+ const char *opn = "cond move";
+ int l1;
+
+ if (rd == 0) {
+ /* If no destination, treat it as a NOP.
+ For add & sub, we must generate the overflow exception when needed. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+
+ l1 = gen_new_label();
+ switch (opc) {
+ case OPC_MOVN:
+ if (likely(rt != 0))
+ tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rt], 0, l1);
+ else
+ tcg_gen_br(l1);
+ opn = "movn";
+ break;
+ case OPC_MOVZ:
+ if (likely(rt != 0))
+ tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rt], 0, l1);
+ opn = "movz";
+ break;
+ }
+ if (rs != 0)
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
+ else
+ tcg_gen_movi_tl(cpu_gpr[rd], 0);
+ gen_set_label(l1);
+
+ MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
+}
+
+/* Logic */
+static void gen_logic (CPUState *env, uint32_t opc, int rd, int rs, int rt)
+{
+ const char *opn = "logic";
+
+ if (rd == 0) {
+ /* If no destination, treat it as a NOP. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+
+ switch (opc) {
+ case OPC_AND:
+ if (likely(rs != 0 && rt != 0)) {
+ tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rd], 0);
+ }
+ opn = "and";
+ break;
+ case OPC_NOR:
+ if (rs != 0 && rt != 0) {
+ tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
+ } else if (rs == 0 && rt != 0) {
+ tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]);
+ } else if (rs != 0 && rt == 0) {
+ tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
+ }
+ opn = "nor";
+ break;
+ case OPC_OR:
+ if (likely(rs != 0 && rt != 0)) {
+ tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
+ } else if (rs == 0 && rt != 0) {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
+ } else if (rs != 0 && rt == 0) {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rd], 0);
+ }
+ opn = "or";
+ break;
+ case OPC_XOR:
+ if (likely(rs != 0 && rt != 0)) {
+ tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
+ } else if (rs == 0 && rt != 0) {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
+ } else if (rs != 0 && rt == 0) {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
+ } else {
+ tcg_gen_movi_tl(cpu_gpr[rd], 0);
+ }
+ opn = "xor";
+ break;
+ }
+ MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
+}
+
+/* Set on lower than */
+static void gen_slt (CPUState *env, uint32_t opc, int rd, int rs, int rt)
+{
+ const char *opn = "slt";
+ TCGv t0, t1;
+
+ if (rd == 0) {
+ /* If no destination, treat it as a NOP. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+
+ t0 = tcg_temp_new();
+ t1 = tcg_temp_new();
+ gen_load_gpr(t0, rs);
+ gen_load_gpr(t1, rt);
+ switch (opc) {
+ case OPC_SLT:
+ gen_op_lt(cpu_gpr[rd], t0, t1);
+ opn = "slt";
+ break;
+ case OPC_SLTU:
+ gen_op_ltu(cpu_gpr[rd], t0, t1);
+ opn = "sltu";
+ break;
+ }
+ MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+}
+
+/* Shifts */
+static void gen_shift (CPUState *env, DisasContext *ctx, uint32_t opc,
+ int rd, int rs, int rt)
+{
+ const char *opn = "shifts";
+ TCGv t0, t1;
+
+ if (rd == 0) {
+ /* If no destination, treat it as a NOP.
+ For add & sub, we must generate the overflow exception when needed. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+
+ t0 = tcg_temp_new();
+ t1 = tcg_temp_new();
+ gen_load_gpr(t0, rs);
+ gen_load_gpr(t1, rt);
+ switch (opc) {
+ case OPC_SLLV:
+ tcg_gen_andi_tl(t0, t0, 0x1f);
+ tcg_gen_shl_tl(t0, t1, t0);
+ tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
+ opn = "sllv";
+ break;
+ case OPC_SRAV:
+ tcg_gen_ext32s_tl(t1, t1);
+ tcg_gen_andi_tl(t0, t0, 0x1f);
+ tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
+ opn = "srav";
+ break;
+ case OPC_SRLV:
+ switch ((ctx->opcode >> 6) & 0x1f) {
+ case 0:
+ tcg_gen_ext32u_tl(t1, t1);
+ tcg_gen_andi_tl(t0, t0, 0x1f);
+ tcg_gen_shr_tl(t0, t1, t0);
+ tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
+ opn = "srlv";
+ break;
+ case 1:
+ /* rotrv is decoded as srlv on non-R2 CPUs */
+ if (env->insn_flags & ISA_MIPS32R2) {
+ TCGv_i32 t2 = tcg_temp_new_i32();
+ TCGv_i32 t3 = tcg_temp_new_i32();
+
+ tcg_gen_trunc_tl_i32(t2, t0);
+ tcg_gen_trunc_tl_i32(t3, t1);
+ tcg_gen_andi_i32(t2, t2, 0x1f);
+ tcg_gen_rotr_i32(t2, t3, t2);
+ tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
+ tcg_temp_free_i32(t2);
+ tcg_temp_free_i32(t3);
+ opn = "rotrv";
+ } else {
+ tcg_gen_ext32u_tl(t1, t1);
+ tcg_gen_andi_tl(t0, t0, 0x1f);
+ tcg_gen_shr_tl(t0, t1, t0);
+ tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
+ opn = "srlv";
+ }
+ break;
+ default:
+ MIPS_INVAL("invalid srlv flag");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DSLLV:
+ tcg_gen_andi_tl(t0, t0, 0x3f);
+ tcg_gen_shl_tl(cpu_gpr[rd], t1, t0);
+ opn = "dsllv";
+ break;
+ case OPC_DSRAV:
+ tcg_gen_andi_tl(t0, t0, 0x3f);
+ tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
+ opn = "dsrav";
+ break;
+ case OPC_DSRLV:
+ switch ((ctx->opcode >> 6) & 0x1f) {
+ case 0:
+ tcg_gen_andi_tl(t0, t0, 0x3f);
+ tcg_gen_shr_tl(cpu_gpr[rd], t1, t0);
+ opn = "dsrlv";
+ break;
+ case 1:
+ /* drotrv is decoded as dsrlv on non-R2 CPUs */
+ if (env->insn_flags & ISA_MIPS32R2) {
+ tcg_gen_andi_tl(t0, t0, 0x3f);
+ tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0);
+ opn = "drotrv";
+ } else {
+ tcg_gen_andi_tl(t0, t0, 0x3f);
+ tcg_gen_shr_tl(t0, t1, t0);
+ opn = "dsrlv";
+ }
+ break;
+ default:
+ MIPS_INVAL("invalid dsrlv flag");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+#endif
+ }
+ MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+}
+
+/* Arithmetic on HI/LO registers */
+static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg)
+{
+ const char *opn = "hilo";
+
+ if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
+ /* Treat as NOP. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+ switch (opc) {
+ case OPC_MFHI:
+ tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[0]);
+ opn = "mfhi";
+ break;
+ case OPC_MFLO:
+ tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[0]);
+ opn = "mflo";
+ break;
+ case OPC_MTHI:
+ if (reg != 0)
+ tcg_gen_mov_tl(cpu_HI[0], cpu_gpr[reg]);
+ else
+ tcg_gen_movi_tl(cpu_HI[0], 0);
+ opn = "mthi";
+ break;
+ case OPC_MTLO:
+ if (reg != 0)
+ tcg_gen_mov_tl(cpu_LO[0], cpu_gpr[reg]);
+ else
+ tcg_gen_movi_tl(cpu_LO[0], 0);
+ opn = "mtlo";
+ break;
+ }
+ MIPS_DEBUG("%s %s", opn, regnames[reg]);
+}
+
+static void gen_muldiv (DisasContext *ctx, uint32_t opc,
+ int rs, int rt)
+{
+ const char *opn = "mul/div";
+ TCGv t0, t1;
+
+ switch (opc) {
+ case OPC_DIV:
+ case OPC_DIVU:
+#if defined(TARGET_MIPS64)
+ case OPC_DDIV:
+ case OPC_DDIVU:
+#endif
+ t0 = tcg_temp_local_new();
+ t1 = tcg_temp_local_new();
+ break;
+ default:
+ t0 = tcg_temp_new();
+ t1 = tcg_temp_new();
+ break;
+ }
+
+ gen_load_gpr(t0, rs);
+ gen_load_gpr(t1, rt);
+ switch (opc) {
+ case OPC_DIV:
+ {
+ int l1 = gen_new_label();
+ int l2 = gen_new_label();
+
+ tcg_gen_ext32s_tl(t0, t0);
+ tcg_gen_ext32s_tl(t1, t1);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
+ tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
+ tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
+
+ tcg_gen_mov_tl(cpu_LO[0], t0);
+ tcg_gen_movi_tl(cpu_HI[0], 0);
+ tcg_gen_br(l1);
+ gen_set_label(l2);
+ tcg_gen_div_tl(cpu_LO[0], t0, t1);
+ tcg_gen_rem_tl(cpu_HI[0], t0, t1);
+ tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]);
+ tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]);
+ gen_set_label(l1);
+ }
+ opn = "div";
+ break;
+ case OPC_DIVU:
+ {
+ int l1 = gen_new_label();
+
+ tcg_gen_ext32u_tl(t0, t0);
+ tcg_gen_ext32u_tl(t1, t1);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
+ tcg_gen_divu_tl(cpu_LO[0], t0, t1);
+ tcg_gen_remu_tl(cpu_HI[0], t0, t1);
+ tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]);
+ tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]);
+ gen_set_label(l1);
+ }
+ opn = "divu";
+ break;
+ case OPC_MULT:
+ {
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+
+ tcg_gen_ext_tl_i64(t2, t0);
+ tcg_gen_ext_tl_i64(t3, t1);
+ tcg_gen_mul_i64(t2, t2, t3);
+ tcg_temp_free_i64(t3);
+ tcg_gen_trunc_i64_tl(t0, t2);
+ tcg_gen_shri_i64(t2, t2, 32);
+ tcg_gen_trunc_i64_tl(t1, t2);
+ tcg_temp_free_i64(t2);
+ tcg_gen_ext32s_tl(cpu_LO[0], t0);
+ tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ }
+ opn = "mult";
+ break;
+ case OPC_MULTU:
+ {
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+
+ tcg_gen_ext32u_tl(t0, t0);
+ tcg_gen_ext32u_tl(t1, t1);
+ tcg_gen_extu_tl_i64(t2, t0);
+ tcg_gen_extu_tl_i64(t3, t1);
+ tcg_gen_mul_i64(t2, t2, t3);
+ tcg_temp_free_i64(t3);
+ tcg_gen_trunc_i64_tl(t0, t2);
+ tcg_gen_shri_i64(t2, t2, 32);
+ tcg_gen_trunc_i64_tl(t1, t2);
+ tcg_temp_free_i64(t2);
+ tcg_gen_ext32s_tl(cpu_LO[0], t0);
+ tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ }
+ opn = "multu";
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DDIV:
+ {
+ int l1 = gen_new_label();
+ int l2 = gen_new_label();
+
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
+ tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
+ tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
+ tcg_gen_mov_tl(cpu_LO[0], t0);
+ tcg_gen_movi_tl(cpu_HI[0], 0);
+ tcg_gen_br(l1);
+ gen_set_label(l2);
+ tcg_gen_div_i64(cpu_LO[0], t0, t1);
+ tcg_gen_rem_i64(cpu_HI[0], t0, t1);
+ gen_set_label(l1);
+ }
+ opn = "ddiv";
+ break;
+ case OPC_DDIVU:
+ {
+ int l1 = gen_new_label();
+
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
+ tcg_gen_divu_i64(cpu_LO[0], t0, t1);
+ tcg_gen_remu_i64(cpu_HI[0], t0, t1);
+ gen_set_label(l1);
+ }
+ opn = "ddivu";
+ break;
+ case OPC_DMULT:
+ gen_helper_dmult(t0, t1);
+ opn = "dmult";
+ break;
+ case OPC_DMULTU:
+ gen_helper_dmultu(t0, t1);
+ opn = "dmultu";
+ break;
+#endif
+ case OPC_MADD:
+ {
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+
+ tcg_gen_ext_tl_i64(t2, t0);
+ tcg_gen_ext_tl_i64(t3, t1);
+ tcg_gen_mul_i64(t2, t2, t3);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_add_i64(t2, t2, t3);
+ tcg_temp_free_i64(t3);
+ tcg_gen_trunc_i64_tl(t0, t2);
+ tcg_gen_shri_i64(t2, t2, 32);
+ tcg_gen_trunc_i64_tl(t1, t2);
+ tcg_temp_free_i64(t2);
+ tcg_gen_ext32s_tl(cpu_LO[0], t0);
+ tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ }
+ opn = "madd";
+ break;
+ case OPC_MADDU:
+ {
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+
+ tcg_gen_ext32u_tl(t0, t0);
+ tcg_gen_ext32u_tl(t1, t1);
+ tcg_gen_extu_tl_i64(t2, t0);
+ tcg_gen_extu_tl_i64(t3, t1);
+ tcg_gen_mul_i64(t2, t2, t3);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_add_i64(t2, t2, t3);
+ tcg_temp_free_i64(t3);
+ tcg_gen_trunc_i64_tl(t0, t2);
+ tcg_gen_shri_i64(t2, t2, 32);
+ tcg_gen_trunc_i64_tl(t1, t2);
+ tcg_temp_free_i64(t2);
+ tcg_gen_ext32s_tl(cpu_LO[0], t0);
+ tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ }
+ opn = "maddu";
+ break;
+ case OPC_MSUB:
+ {
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+
+ tcg_gen_ext_tl_i64(t2, t0);
+ tcg_gen_ext_tl_i64(t3, t1);
+ tcg_gen_mul_i64(t2, t2, t3);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_sub_i64(t2, t3, t2);
+ tcg_temp_free_i64(t3);
+ tcg_gen_trunc_i64_tl(t0, t2);
+ tcg_gen_shri_i64(t2, t2, 32);
+ tcg_gen_trunc_i64_tl(t1, t2);
+ tcg_temp_free_i64(t2);
+ tcg_gen_ext32s_tl(cpu_LO[0], t0);
+ tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ }
+ opn = "msub";
+ break;
+ case OPC_MSUBU:
+ {
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+
+ tcg_gen_ext32u_tl(t0, t0);
+ tcg_gen_ext32u_tl(t1, t1);
+ tcg_gen_extu_tl_i64(t2, t0);
+ tcg_gen_extu_tl_i64(t3, t1);
+ tcg_gen_mul_i64(t2, t2, t3);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_sub_i64(t2, t3, t2);
+ tcg_temp_free_i64(t3);
+ tcg_gen_trunc_i64_tl(t0, t2);
+ tcg_gen_shri_i64(t2, t2, 32);
+ tcg_gen_trunc_i64_tl(t1, t2);
+ tcg_temp_free_i64(t2);
+ tcg_gen_ext32s_tl(cpu_LO[0], t0);
+ tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ }
+ opn = "msubu";
+ break;
+ default:
+ MIPS_INVAL(opn);
+ generate_exception(ctx, EXCP_RI);
+ goto out;
+ }
+ MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
+ out:
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+}
+
+static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc,
+ int rd, int rs, int rt)
+{
+ const char *opn = "mul vr54xx";
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+
+ gen_load_gpr(t0, rs);
+ gen_load_gpr(t1, rt);
+
+ switch (opc) {
+ case OPC_VR54XX_MULS:
+ gen_helper_muls(t0, t0, t1);
+ opn = "muls";
+ break;
+ case OPC_VR54XX_MULSU:
+ gen_helper_mulsu(t0, t0, t1);
+ opn = "mulsu";
+ break;
+ case OPC_VR54XX_MACC:
+ gen_helper_macc(t0, t0, t1);
+ opn = "macc";
+ break;
+ case OPC_VR54XX_MACCU:
+ gen_helper_maccu(t0, t0, t1);
+ opn = "maccu";
+ break;
+ case OPC_VR54XX_MSAC:
+ gen_helper_msac(t0, t0, t1);
+ opn = "msac";
+ break;
+ case OPC_VR54XX_MSACU:
+ gen_helper_msacu(t0, t0, t1);
+ opn = "msacu";
+ break;
+ case OPC_VR54XX_MULHI:
+ gen_helper_mulhi(t0, t0, t1);
+ opn = "mulhi";
+ break;
+ case OPC_VR54XX_MULHIU:
+ gen_helper_mulhiu(t0, t0, t1);
+ opn = "mulhiu";
+ break;
+ case OPC_VR54XX_MULSHI:
+ gen_helper_mulshi(t0, t0, t1);
+ opn = "mulshi";
+ break;
+ case OPC_VR54XX_MULSHIU:
+ gen_helper_mulshiu(t0, t0, t1);
+ opn = "mulshiu";
+ break;
+ case OPC_VR54XX_MACCHI:
+ gen_helper_macchi(t0, t0, t1);
+ opn = "macchi";
+ break;
+ case OPC_VR54XX_MACCHIU:
+ gen_helper_macchiu(t0, t0, t1);
+ opn = "macchiu";
+ break;
+ case OPC_VR54XX_MSACHI:
+ gen_helper_msachi(t0, t0, t1);
+ opn = "msachi";
+ break;
+ case OPC_VR54XX_MSACHIU:
+ gen_helper_msachiu(t0, t0, t1);
+ opn = "msachiu";
+ break;
+ default:
+ MIPS_INVAL("mul vr54xx");
+ generate_exception(ctx, EXCP_RI);
+ goto out;
+ }
+ gen_store_gpr(t0, rd);
+ MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
+
+ out:
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+}
+
+static void gen_cl (DisasContext *ctx, uint32_t opc,
+ int rd, int rs)
+{
+ const char *opn = "CLx";
+ TCGv t0;
+
+ if (rd == 0) {
+ /* Treat as NOP. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+ t0 = tcg_temp_new();
+ gen_load_gpr(t0, rs);
+ switch (opc) {
+ case OPC_CLO:
+ gen_helper_clo(cpu_gpr[rd], t0);
+ opn = "clo";
+ break;
+ case OPC_CLZ:
+ gen_helper_clz(cpu_gpr[rd], t0);
+ opn = "clz";
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DCLO:
+ gen_helper_dclo(cpu_gpr[rd], t0);
+ opn = "dclo";
+ break;
+ case OPC_DCLZ:
+ gen_helper_dclz(cpu_gpr[rd], t0);
+ opn = "dclz";
+ break;
+#endif
+ }
+ MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
+ tcg_temp_free(t0);
+}
+
+/* Traps */
+static void gen_trap (DisasContext *ctx, uint32_t opc,
+ int rs, int rt, int16_t imm)
+{
+ int cond;
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+
+ cond = 0;
+ /* Load needed operands */
+ switch (opc) {
+ case OPC_TEQ:
+ case OPC_TGE:
+ case OPC_TGEU:
+ case OPC_TLT:
+ case OPC_TLTU:
+ case OPC_TNE:
+ /* Compare two registers */
+ if (rs != rt) {
+ gen_load_gpr(t0, rs);
+ gen_load_gpr(t1, rt);
+ cond = 1;
+ }
+ break;
+ case OPC_TEQI:
+ case OPC_TGEI:
+ case OPC_TGEIU:
+ case OPC_TLTI:
+ case OPC_TLTIU:
+ case OPC_TNEI:
+ /* Compare register to immediate */
+ if (rs != 0 || imm != 0) {
+ gen_load_gpr(t0, rs);
+ tcg_gen_movi_tl(t1, (int32_t)imm);
+ cond = 1;
+ }
+ break;
+ }
+ if (cond == 0) {
+ switch (opc) {
+ case OPC_TEQ: /* rs == rs */
+ case OPC_TEQI: /* r0 == 0 */
+ case OPC_TGE: /* rs >= rs */
+ case OPC_TGEI: /* r0 >= 0 */
+ case OPC_TGEU: /* rs >= rs unsigned */
+ case OPC_TGEIU: /* r0 >= 0 unsigned */
+ /* Always trap */
+ generate_exception(ctx, EXCP_TRAP);
+ break;
+ case OPC_TLT: /* rs < rs */
+ case OPC_TLTI: /* r0 < 0 */
+ case OPC_TLTU: /* rs < rs unsigned */
+ case OPC_TLTIU: /* r0 < 0 unsigned */
+ case OPC_TNE: /* rs != rs */
+ case OPC_TNEI: /* r0 != 0 */
+ /* Never trap: treat as NOP. */
+ break;
+ }
+ } else {
+ int l1 = gen_new_label();
+
+ switch (opc) {
+ case OPC_TEQ:
+ case OPC_TEQI:
+ tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1);
+ break;
+ case OPC_TGE:
+ case OPC_TGEI:
+ tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1);
+ break;
+ case OPC_TGEU:
+ case OPC_TGEIU:
+ tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1);
+ break;
+ case OPC_TLT:
+ case OPC_TLTI:
+ tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
+ break;
+ case OPC_TLTU:
+ case OPC_TLTIU:
+ tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
+ break;
+ case OPC_TNE:
+ case OPC_TNEI:
+ tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1);
+ break;
+ }
+ generate_exception(ctx, EXCP_TRAP);
+ gen_set_label(l1);
+ }
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+}
+
+static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
+{
+ TranslationBlock *tb;
+ tb = ctx->tb;
+ if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
+ likely(!ctx->singlestep_enabled)) {
+ tcg_gen_goto_tb(n);
+ gen_save_pc(dest);
+ tcg_gen_exit_tb((long)tb + n);
+ } else {
+ gen_save_pc(dest);
+ if (ctx->singlestep_enabled) {
+ save_cpu_state(ctx, 0);
+ gen_helper_0i(raise_exception, EXCP_DEBUG);
+ }
+ tcg_gen_exit_tb(0);
+ }
+}
+
+/* Branches (before delay slot) */
+static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
+ int rs, int rt, int32_t offset)
+{
+ target_ulong btgt = -1;
+ int blink = 0;
+ int bcond_compute = 0;
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+
+ if (ctx->hflags & MIPS_HFLAG_BMASK) {
+#ifdef MIPS_DEBUG_DISAS
+ LOG_DISAS("Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", ctx->pc);
+#endif
+ generate_exception(ctx, EXCP_RI);
+ goto out;
+ }
+
+ /* Load needed operands */
+ switch (opc) {
+ case OPC_BEQ:
+ case OPC_BEQL:
+ case OPC_BNE:
+ case OPC_BNEL:
+ /* Compare two registers */
+ if (rs != rt) {
+ gen_load_gpr(t0, rs);
+ gen_load_gpr(t1, rt);
+ bcond_compute = 1;
+ }
+ btgt = ctx->pc + 4 + offset;
+ break;
+ case OPC_BGEZ:
+ case OPC_BGEZAL:
+ case OPC_BGEZALL:
+ case OPC_BGEZL:
+ case OPC_BGTZ:
+ case OPC_BGTZL:
+ case OPC_BLEZ:
+ case OPC_BLEZL:
+ case OPC_BLTZ:
+ case OPC_BLTZAL:
+ case OPC_BLTZALL:
+ case OPC_BLTZL:
+ /* Compare to zero */
+ if (rs != 0) {
+ gen_load_gpr(t0, rs);
+ bcond_compute = 1;
+ }
+ btgt = ctx->pc + 4 + offset;
+ break;
+ case OPC_J:
+ case OPC_JAL:
+ /* Jump to immediate */
+ btgt = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset;
+ break;
+ case OPC_JR:
+ case OPC_JALR:
+ /* Jump to register */
+ if (offset != 0 && offset != 16) {
+ /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
+ others are reserved. */
+ MIPS_INVAL("jump hint");
+ generate_exception(ctx, EXCP_RI);
+ goto out;
+ }
+ gen_load_gpr(btarget, rs);
+ break;
+ default:
+ MIPS_INVAL("branch/jump");
+ generate_exception(ctx, EXCP_RI);
+ goto out;
+ }
+ if (bcond_compute == 0) {
+ /* No condition to be computed */
+ switch (opc) {
+ case OPC_BEQ: /* rx == rx */
+ case OPC_BEQL: /* rx == rx likely */
+ case OPC_BGEZ: /* 0 >= 0 */
+ case OPC_BGEZL: /* 0 >= 0 likely */
+ case OPC_BLEZ: /* 0 <= 0 */
+ case OPC_BLEZL: /* 0 <= 0 likely */
+ /* Always take */
+ ctx->hflags |= MIPS_HFLAG_B;
+ MIPS_DEBUG("balways");
+ break;
+ case OPC_BGEZAL: /* 0 >= 0 */
+ case OPC_BGEZALL: /* 0 >= 0 likely */
+ /* Always take and link */
+ blink = 31;
+ ctx->hflags |= MIPS_HFLAG_B;
+ MIPS_DEBUG("balways and link");
+ break;
+ case OPC_BNE: /* rx != rx */
+ case OPC_BGTZ: /* 0 > 0 */
+ case OPC_BLTZ: /* 0 < 0 */
+ /* Treat as NOP. */
+ MIPS_DEBUG("bnever (NOP)");
+ goto out;
+ case OPC_BLTZAL: /* 0 < 0 */
+ tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8);
+ MIPS_DEBUG("bnever and link");
+ goto out;
+ case OPC_BLTZALL: /* 0 < 0 likely */
+ tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8);
+ /* Skip the instruction in the delay slot */
+ MIPS_DEBUG("bnever, link and skip");
+ ctx->pc += 4;
+ goto out;
+ case OPC_BNEL: /* rx != rx likely */
+ case OPC_BGTZL: /* 0 > 0 likely */
+ case OPC_BLTZL: /* 0 < 0 likely */
+ /* Skip the instruction in the delay slot */
+ MIPS_DEBUG("bnever and skip");
+ ctx->pc += 4;
+ goto out;
+ case OPC_J:
+ ctx->hflags |= MIPS_HFLAG_B;
+ MIPS_DEBUG("j " TARGET_FMT_lx, btgt);
+ break;
+ case OPC_JAL:
+ blink = 31;
+ ctx->hflags |= MIPS_HFLAG_B;
+ MIPS_DEBUG("jal " TARGET_FMT_lx, btgt);
+ break;
+ case OPC_JR:
+ ctx->hflags |= MIPS_HFLAG_BR;
+ MIPS_DEBUG("jr %s", regnames[rs]);
+ break;
+ case OPC_JALR:
+ blink = rt;
+ ctx->hflags |= MIPS_HFLAG_BR;
+ MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
+ break;
+ default:
+ MIPS_INVAL("branch/jump");
+ generate_exception(ctx, EXCP_RI);
+ goto out;
+ }
+ } else {
+ switch (opc) {
+ case OPC_BEQ:
+ gen_op_eq(bcond, t0, t1);
+ MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
+ regnames[rs], regnames[rt], btgt);
+ goto not_likely;
+ case OPC_BEQL:
+ gen_op_eq(bcond, t0, t1);
+ MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
+ regnames[rs], regnames[rt], btgt);
+ goto likely;
+ case OPC_BNE:
+ gen_op_ne(bcond, t0, t1);
+ MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
+ regnames[rs], regnames[rt], btgt);
+ goto not_likely;
+ case OPC_BNEL:
+ gen_op_ne(bcond, t0, t1);
+ MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
+ regnames[rs], regnames[rt], btgt);
+ goto likely;
+ case OPC_BGEZ:
+ gen_op_gez(bcond, t0);
+ MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ goto not_likely;
+ case OPC_BGEZL:
+ gen_op_gez(bcond, t0);
+ MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ goto likely;
+ case OPC_BGEZAL:
+ gen_op_gez(bcond, t0);
+ MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ blink = 31;
+ goto not_likely;
+ case OPC_BGEZALL:
+ gen_op_gez(bcond, t0);
+ blink = 31;
+ MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ goto likely;
+ case OPC_BGTZ:
+ gen_op_gtz(bcond, t0);
+ MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ goto not_likely;
+ case OPC_BGTZL:
+ gen_op_gtz(bcond, t0);
+ MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ goto likely;
+ case OPC_BLEZ:
+ gen_op_lez(bcond, t0);
+ MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ goto not_likely;
+ case OPC_BLEZL:
+ gen_op_lez(bcond, t0);
+ MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ goto likely;
+ case OPC_BLTZ:
+ gen_op_ltz(bcond, t0);
+ MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ goto not_likely;
+ case OPC_BLTZL:
+ gen_op_ltz(bcond, t0);
+ MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ goto likely;
+ case OPC_BLTZAL:
+ gen_op_ltz(bcond, t0);
+ blink = 31;
+ MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ not_likely:
+ ctx->hflags |= MIPS_HFLAG_BC;
+ break;
+ case OPC_BLTZALL:
+ gen_op_ltz(bcond, t0);
+ blink = 31;
+ MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt);
+ likely:
+ ctx->hflags |= MIPS_HFLAG_BL;
+ break;
+ default:
+ MIPS_INVAL("conditional branch/jump");
+ generate_exception(ctx, EXCP_RI);
+ goto out;
+ }
+ }
+ MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
+ blink, ctx->hflags, btgt);
+
+ ctx->btarget = btgt;
+ if (blink > 0) {
+ tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + 8);
+ }
+
+ out:
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+}
+
+/* special3 bitfield operations */
+static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
+ int rs, int lsb, int msb)
+{
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ target_ulong mask;
+
+ gen_load_gpr(t1, rs);
+ switch (opc) {
+ case OPC_EXT:
+ if (lsb + msb > 31)
+ goto fail;
+ tcg_gen_shri_tl(t0, t1, lsb);
+ if (msb != 31) {
+ tcg_gen_andi_tl(t0, t0, (1 << (msb + 1)) - 1);
+ } else {
+ tcg_gen_ext32s_tl(t0, t0);
+ }
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DEXTM:
+ tcg_gen_shri_tl(t0, t1, lsb);
+ if (msb != 31) {
+ tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1);
+ }
+ break;
+ case OPC_DEXTU:
+ tcg_gen_shri_tl(t0, t1, lsb + 32);
+ tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
+ break;
+ case OPC_DEXT:
+ tcg_gen_shri_tl(t0, t1, lsb);
+ tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
+ break;
+#endif
+ case OPC_INS:
+ if (lsb > msb)
+ goto fail;
+ mask = ((msb - lsb + 1 < 32) ? ((1 << (msb - lsb + 1)) - 1) : ~0) << lsb;
+ gen_load_gpr(t0, rt);
+ tcg_gen_andi_tl(t0, t0, ~mask);
+ tcg_gen_shli_tl(t1, t1, lsb);
+ tcg_gen_andi_tl(t1, t1, mask);
+ tcg_gen_or_tl(t0, t0, t1);
+ tcg_gen_ext32s_tl(t0, t0);
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DINSM:
+ if (lsb > msb)
+ goto fail;
+ mask = ((msb - lsb + 1 + 32 < 64) ? ((1ULL << (msb - lsb + 1 + 32)) - 1) : ~0ULL) << lsb;
+ gen_load_gpr(t0, rt);
+ tcg_gen_andi_tl(t0, t0, ~mask);
+ tcg_gen_shli_tl(t1, t1, lsb);
+ tcg_gen_andi_tl(t1, t1, mask);
+ tcg_gen_or_tl(t0, t0, t1);
+ break;
+ case OPC_DINSU:
+ if (lsb > msb)
+ goto fail;
+ mask = ((1ULL << (msb - lsb + 1)) - 1) << (lsb + 32);
+ gen_load_gpr(t0, rt);
+ tcg_gen_andi_tl(t0, t0, ~mask);
+ tcg_gen_shli_tl(t1, t1, lsb + 32);
+ tcg_gen_andi_tl(t1, t1, mask);
+ tcg_gen_or_tl(t0, t0, t1);
+ break;
+ case OPC_DINS:
+ if (lsb > msb)
+ goto fail;
+ gen_load_gpr(t0, rt);
+ mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb;
+ gen_load_gpr(t0, rt);
+ tcg_gen_andi_tl(t0, t0, ~mask);
+ tcg_gen_shli_tl(t1, t1, lsb);
+ tcg_gen_andi_tl(t1, t1, mask);
+ tcg_gen_or_tl(t0, t0, t1);
+ break;
+#endif
+ default:
+fail:
+ MIPS_INVAL("bitops");
+ generate_exception(ctx, EXCP_RI);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+ return;
+ }
+ gen_store_gpr(t0, rt);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+}
+
+static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd)
+{
+ TCGv t0;
+
+ if (rd == 0) {
+ /* If no destination, treat it as a NOP. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+
+ t0 = tcg_temp_new();
+ gen_load_gpr(t0, rt);
+ switch (op2) {
+ case OPC_WSBH:
+ {
+ TCGv t1 = tcg_temp_new();
+
+ tcg_gen_shri_tl(t1, t0, 8);
+ tcg_gen_andi_tl(t1, t1, 0x00FF00FF);
+ tcg_gen_shli_tl(t0, t0, 8);
+ tcg_gen_andi_tl(t0, t0, ~0x00FF00FF);
+ tcg_gen_or_tl(t0, t0, t1);
+ tcg_temp_free(t1);
+ tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
+ }
+ break;
+ case OPC_SEB:
+ tcg_gen_ext8s_tl(cpu_gpr[rd], t0);
+ break;
+ case OPC_SEH:
+ tcg_gen_ext16s_tl(cpu_gpr[rd], t0);
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DSBH:
+ {
+ TCGv t1 = tcg_temp_new();
+
+ tcg_gen_shri_tl(t1, t0, 8);
+ tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL);
+ tcg_gen_shli_tl(t0, t0, 8);
+ tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL);
+ tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
+ tcg_temp_free(t1);
+ }
+ break;
+ case OPC_DSHD:
+ {
+ TCGv t1 = tcg_temp_new();
+
+ tcg_gen_shri_tl(t1, t0, 16);
+ tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL);
+ tcg_gen_shli_tl(t0, t0, 16);
+ tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL);
+ tcg_gen_or_tl(t0, t0, t1);
+ tcg_gen_shri_tl(t1, t0, 32);
+ tcg_gen_shli_tl(t0, t0, 32);
+ tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
+ tcg_temp_free(t1);
+ }
+ break;
+#endif
+ default:
+ MIPS_INVAL("bsfhl");
+ generate_exception(ctx, EXCP_RI);
+ tcg_temp_free(t0);
+ return;
+ }
+ tcg_temp_free(t0);
+}
+
+#ifndef CONFIG_USER_ONLY
+/* CP0 (MMU and control) */
+static inline void gen_mfc0_load32 (TCGv arg, target_ulong off)
+{
+ TCGv_i32 t0 = tcg_temp_new_i32();
+
+ tcg_gen_ld_i32(t0, cpu_env, off);
+ tcg_gen_ext_i32_tl(arg, t0);
+ tcg_temp_free_i32(t0);
+}
+
+static inline void gen_mfc0_load64 (TCGv arg, target_ulong off)
+{
+ tcg_gen_ld_tl(arg, cpu_env, off);
+ tcg_gen_ext32s_tl(arg, arg);
+}
+
+static inline void gen_mtc0_store32 (TCGv arg, target_ulong off)
+{
+ TCGv_i32 t0 = tcg_temp_new_i32();
+
+ tcg_gen_trunc_tl_i32(t0, arg);
+ tcg_gen_st_i32(t0, cpu_env, off);
+ tcg_temp_free_i32(t0);
+}
+
+static inline void gen_mtc0_store64 (TCGv arg, target_ulong off)
+{
+ tcg_gen_ext32s_tl(arg, arg);
+ tcg_gen_st_tl(arg, cpu_env, off);
+}
+
+static void gen_mfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
+{
+ const char *rn = "invalid";
+
+ if (sel != 0)
+ check_insn(env, ctx, ISA_MIPS32);
+
+ switch (reg) {
+ case 0:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index));
+ rn = "Index";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_mvpcontrol(arg);
+ rn = "MVPControl";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_mvpconf0(arg);
+ rn = "MVPConf0";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_mvpconf1(arg);
+ rn = "MVPConf1";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 1:
+ switch (sel) {
+ case 0:
+ gen_helper_mfc0_random(arg);
+ rn = "Random";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl));
+ rn = "VPEControl";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0));
+ rn = "VPEConf0";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1));
+ rn = "VPEConf1";
+ break;
+ case 4:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load64(arg, offsetof(CPUState, CP0_YQMask));
+ rn = "YQMask";
+ break;
+ case 5:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPESchedule));
+ rn = "VPESchedule";
+ break;
+ case 6:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPEScheFBack));
+ rn = "VPEScheFBack";
+ break;
+ case 7:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt));
+ rn = "VPEOpt";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 2:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0));
+ tcg_gen_ext32s_tl(arg, arg);
+ rn = "EntryLo0";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_tcstatus(arg);
+ rn = "TCStatus";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_tcbind(arg);
+ rn = "TCBind";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_tcrestart(arg);
+ rn = "TCRestart";
+ break;
+ case 4:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_tchalt(arg);
+ rn = "TCHalt";
+ break;
+ case 5:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_tccontext(arg);
+ rn = "TCContext";
+ break;
+ case 6:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_tcschedule(arg);
+ rn = "TCSchedule";
+ break;
+ case 7:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_tcschefback(arg);
+ rn = "TCScheFBack";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 3:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1));
+ tcg_gen_ext32s_tl(arg, arg);
+ rn = "EntryLo1";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 4:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context));
+ tcg_gen_ext32s_tl(arg, arg);
+ rn = "Context";
+ break;
+ case 1:
+// gen_helper_mfc0_contextconfig(arg); /* SmartMIPS ASE */
+ rn = "ContextConfig";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 5:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask));
+ rn = "PageMask";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain));
+ rn = "PageGrain";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 6:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired));
+ rn = "Wired";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0));
+ rn = "SRSConf0";
+ break;
+ case 2:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1));
+ rn = "SRSConf1";
+ break;
+ case 3:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2));
+ rn = "SRSConf2";
+ break;
+ case 4:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3));
+ rn = "SRSConf3";
+ break;
+ case 5:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4));
+ rn = "SRSConf4";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 7:
+ switch (sel) {
+ case 0:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna));
+ rn = "HWREna";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 8:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr));
+ tcg_gen_ext32s_tl(arg, arg);
+ rn = "BadVAddr";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 9:
+ switch (sel) {
+ case 0:
+ /* Mark as an IO operation because we read the time. */
+ if (use_icount)
+ gen_io_start();
+ gen_helper_mfc0_count(arg);
+ if (use_icount) {
+ gen_io_end();
+ ctx->bstate = BS_STOP;
+ }
+ rn = "Count";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
+ break;
+ case 10:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi));
+ tcg_gen_ext32s_tl(arg, arg);
+ rn = "EntryHi";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 11:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare));
+ rn = "Compare";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
+ break;
+ case 12:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status));
+ rn = "Status";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl));
+ rn = "IntCtl";
+ break;
+ case 2:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl));
+ rn = "SRSCtl";
+ break;
+ case 3:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap));
+ rn = "SRSMap";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 13:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause));
+ rn = "Cause";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 14:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
+ tcg_gen_ext32s_tl(arg, arg);
+ rn = "EPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 15:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid));
+ rn = "PRid";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase));
+ rn = "EBase";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 16:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0));
+ rn = "Config";
+ break;
+ case 1:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1));
+ rn = "Config1";
+ break;
+ case 2:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2));
+ rn = "Config2";
+ break;
+ case 3:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3));
+ rn = "Config3";
+ break;
+ /* 4,5 are reserved */
+ /* 6,7 are implementation dependent */
+ case 6:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6));
+ rn = "Config6";
+ break;
+ case 7:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7));
+ rn = "Config7";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 17:
+ switch (sel) {
+ case 0:
+ gen_helper_mfc0_lladdr(arg);
+ rn = "LLAddr";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 18:
+ switch (sel) {
+ case 0 ... 7:
+ gen_helper_1i(mfc0_watchlo, arg, sel);
+ rn = "WatchLo";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 19:
+ switch (sel) {
+ case 0 ...7:
+ gen_helper_1i(mfc0_watchhi, arg, sel);
+ rn = "WatchHi";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 20:
+ switch (sel) {
+ case 0:
+#if defined(TARGET_MIPS64)
+ check_insn(env, ctx, ISA_MIPS3);
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext));
+ tcg_gen_ext32s_tl(arg, arg);
+ rn = "XContext";
+ break;
+#endif
+ default:
+ goto die;
+ }
+ break;
+ case 21:
+ /* Officially reserved, but sel 0 is used for R1x000 framemask */
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask));
+ rn = "Framemask";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 22:
+ tcg_gen_movi_tl(arg, 0); /* unimplemented */
+ rn = "'Diagnostic"; /* implementation dependent */
+ break;
+ case 23:
+ switch (sel) {
+ case 0:
+ gen_helper_mfc0_debug(arg); /* EJTAG support */
+ rn = "Debug";
+ break;
+ case 1:
+// gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */
+ rn = "TraceControl";
+// break;
+ case 2:
+// gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */
+ rn = "TraceControl2";
+// break;
+ case 3:
+// gen_helper_mfc0_usertracedata(arg); /* PDtrace support */
+ rn = "UserTraceData";
+// break;
+ case 4:
+// gen_helper_mfc0_tracebpc(arg); /* PDtrace support */
+ rn = "TraceBPC";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 24:
+ switch (sel) {
+ case 0:
+ /* EJTAG support */
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
+ tcg_gen_ext32s_tl(arg, arg);
+ rn = "DEPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 25:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0));
+ rn = "Performance0";
+ break;
+ case 1:
+// gen_helper_mfc0_performance1(arg);
+ rn = "Performance1";
+// break;
+ case 2:
+// gen_helper_mfc0_performance2(arg);
+ rn = "Performance2";
+// break;
+ case 3:
+// gen_helper_mfc0_performance3(arg);
+ rn = "Performance3";
+// break;
+ case 4:
+// gen_helper_mfc0_performance4(arg);
+ rn = "Performance4";
+// break;
+ case 5:
+// gen_helper_mfc0_performance5(arg);
+ rn = "Performance5";
+// break;
+ case 6:
+// gen_helper_mfc0_performance6(arg);
+ rn = "Performance6";
+// break;
+ case 7:
+// gen_helper_mfc0_performance7(arg);
+ rn = "Performance7";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 26:
+ tcg_gen_movi_tl(arg, 0); /* unimplemented */
+ rn = "ECC";
+ break;
+ case 27:
+ switch (sel) {
+ case 0 ... 3:
+ tcg_gen_movi_tl(arg, 0); /* unimplemented */
+ rn = "CacheErr";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 28:
+ switch (sel) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo));
+ rn = "TagLo";
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo));
+ rn = "DataLo";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 29:
+ switch (sel) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi));
+ rn = "TagHi";
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi));
+ rn = "DataHi";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 30:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
+ tcg_gen_ext32s_tl(arg, arg);
+ rn = "ErrorEPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 31:
+ switch (sel) {
+ case 0:
+ /* EJTAG support */
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE));
+ rn = "DESAVE";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ default:
+ goto die;
+ }
+ LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
+ return;
+
+die:
+ LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
+ generate_exception(ctx, EXCP_RI);
+}
+
+static void gen_mtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
+{
+ const char *rn = "invalid";
+
+ if (sel != 0)
+ check_insn(env, ctx, ISA_MIPS32);
+
+ if (use_icount)
+ gen_io_start();
+
+ switch (reg) {
+ case 0:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_index(arg);
+ rn = "Index";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_mvpcontrol(arg);
+ rn = "MVPControl";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ /* ignored */
+ rn = "MVPConf0";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ /* ignored */
+ rn = "MVPConf1";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 1:
+ switch (sel) {
+ case 0:
+ /* ignored */
+ rn = "Random";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_vpecontrol(arg);
+ rn = "VPEControl";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_vpeconf0(arg);
+ rn = "VPEConf0";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_vpeconf1(arg);
+ rn = "VPEConf1";
+ break;
+ case 4:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_yqmask(arg);
+ rn = "YQMask";
+ break;
+ case 5:
+ check_insn(env, ctx, ASE_MT);
+ gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPESchedule));
+ rn = "VPESchedule";
+ break;
+ case 6:
+ check_insn(env, ctx, ASE_MT);
+ gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPEScheFBack));
+ rn = "VPEScheFBack";
+ break;
+ case 7:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_vpeopt(arg);
+ rn = "VPEOpt";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 2:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_entrylo0(arg);
+ rn = "EntryLo0";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tcstatus(arg);
+ rn = "TCStatus";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tcbind(arg);
+ rn = "TCBind";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tcrestart(arg);
+ rn = "TCRestart";
+ break;
+ case 4:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tchalt(arg);
+ rn = "TCHalt";
+ break;
+ case 5:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tccontext(arg);
+ rn = "TCContext";
+ break;
+ case 6:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tcschedule(arg);
+ rn = "TCSchedule";
+ break;
+ case 7:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tcschefback(arg);
+ rn = "TCScheFBack";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 3:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_entrylo1(arg);
+ rn = "EntryLo1";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 4:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_context(arg);
+ rn = "Context";
+ break;
+ case 1:
+// gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
+ rn = "ContextConfig";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 5:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_pagemask(arg);
+ rn = "PageMask";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_pagegrain(arg);
+ rn = "PageGrain";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 6:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_wired(arg);
+ rn = "Wired";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsconf0(arg);
+ rn = "SRSConf0";
+ break;
+ case 2:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsconf1(arg);
+ rn = "SRSConf1";
+ break;
+ case 3:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsconf2(arg);
+ rn = "SRSConf2";
+ break;
+ case 4:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsconf3(arg);
+ rn = "SRSConf3";
+ break;
+ case 5:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsconf4(arg);
+ rn = "SRSConf4";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 7:
+ switch (sel) {
+ case 0:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_hwrena(arg);
+ rn = "HWREna";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 8:
+ /* ignored */
+ rn = "BadVAddr";
+ break;
+ case 9:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_count(arg);
+ rn = "Count";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
+ break;
+ case 10:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_entryhi(arg);
+ rn = "EntryHi";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 11:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_compare(arg);
+ rn = "Compare";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
+ break;
+ case 12:
+ switch (sel) {
+ case 0:
+ save_cpu_state(ctx, 1);
+ gen_helper_mtc0_status(arg);
+ /* BS_STOP isn't good enough here, hflags may have changed. */
+ gen_save_pc(ctx->pc + 4);
+ ctx->bstate = BS_EXCP;
+ rn = "Status";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_intctl(arg);
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "IntCtl";
+ break;
+ case 2:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsctl(arg);
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "SRSCtl";
+ break;
+ case 3:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap));
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "SRSMap";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 13:
+ switch (sel) {
+ case 0:
+ save_cpu_state(ctx, 1);
+ gen_helper_mtc0_cause(arg);
+ rn = "Cause";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 14:
+ switch (sel) {
+ case 0:
+ gen_mtc0_store64(arg, offsetof(CPUState, CP0_EPC));
+ rn = "EPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 15:
+ switch (sel) {
+ case 0:
+ /* ignored */
+ rn = "PRid";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_ebase(arg);
+ rn = "EBase";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 16:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_config0(arg);
+ rn = "Config";
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ case 1:
+ /* ignored, read only */
+ rn = "Config1";
+ break;
+ case 2:
+ gen_helper_mtc0_config2(arg);
+ rn = "Config2";
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ case 3:
+ /* ignored, read only */
+ rn = "Config3";
+ break;
+ /* 4,5 are reserved */
+ /* 6,7 are implementation dependent */
+ case 6:
+ /* ignored */
+ rn = "Config6";
+ break;
+ case 7:
+ /* ignored */
+ rn = "Config7";
+ break;
+ default:
+ rn = "Invalid config selector";
+ goto die;
+ }
+ break;
+ case 17:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_lladdr(arg);
+ rn = "LLAddr";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 18:
+ switch (sel) {
+ case 0 ... 7:
+ gen_helper_1i(mtc0_watchlo, arg, sel);
+ rn = "WatchLo";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 19:
+ switch (sel) {
+ case 0 ... 7:
+ gen_helper_1i(mtc0_watchhi, arg, sel);
+ rn = "WatchHi";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 20:
+ switch (sel) {
+ case 0:
+#if defined(TARGET_MIPS64)
+ check_insn(env, ctx, ISA_MIPS3);
+ gen_helper_mtc0_xcontext(arg);
+ rn = "XContext";
+ break;
+#endif
+ default:
+ goto die;
+ }
+ break;
+ case 21:
+ /* Officially reserved, but sel 0 is used for R1x000 framemask */
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_framemask(arg);
+ rn = "Framemask";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 22:
+ /* ignored */
+ rn = "Diagnostic"; /* implementation dependent */
+ break;
+ case 23:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_debug(arg); /* EJTAG support */
+ /* BS_STOP isn't good enough here, hflags may have changed. */
+ gen_save_pc(ctx->pc + 4);
+ ctx->bstate = BS_EXCP;
+ rn = "Debug";
+ break;
+ case 1:
+// gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
+ rn = "TraceControl";
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+// break;
+ case 2:
+// gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
+ rn = "TraceControl2";
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+// break;
+ case 3:
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+// gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
+ rn = "UserTraceData";
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+// break;
+ case 4:
+// gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "TraceBPC";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 24:
+ switch (sel) {
+ case 0:
+ /* EJTAG support */
+ gen_mtc0_store64(arg, offsetof(CPUState, CP0_DEPC));
+ rn = "DEPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 25:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_performance0(arg);
+ rn = "Performance0";
+ break;
+ case 1:
+// gen_helper_mtc0_performance1(arg);
+ rn = "Performance1";
+// break;
+ case 2:
+// gen_helper_mtc0_performance2(arg);
+ rn = "Performance2";
+// break;
+ case 3:
+// gen_helper_mtc0_performance3(arg);
+ rn = "Performance3";
+// break;
+ case 4:
+// gen_helper_mtc0_performance4(arg);
+ rn = "Performance4";
+// break;
+ case 5:
+// gen_helper_mtc0_performance5(arg);
+ rn = "Performance5";
+// break;
+ case 6:
+// gen_helper_mtc0_performance6(arg);
+ rn = "Performance6";
+// break;
+ case 7:
+// gen_helper_mtc0_performance7(arg);
+ rn = "Performance7";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 26:
+ /* ignored */
+ rn = "ECC";
+ break;
+ case 27:
+ switch (sel) {
+ case 0 ... 3:
+ /* ignored */
+ rn = "CacheErr";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 28:
+ switch (sel) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ gen_helper_mtc0_taglo(arg);
+ rn = "TagLo";
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_helper_mtc0_datalo(arg);
+ rn = "DataLo";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 29:
+ switch (sel) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ gen_helper_mtc0_taghi(arg);
+ rn = "TagHi";
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_helper_mtc0_datahi(arg);
+ rn = "DataHi";
+ break;
+ default:
+ rn = "invalid sel";
+ goto die;
+ }
+ break;
+ case 30:
+ switch (sel) {
+ case 0:
+ gen_mtc0_store64(arg, offsetof(CPUState, CP0_ErrorEPC));
+ rn = "ErrorEPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 31:
+ switch (sel) {
+ case 0:
+ /* EJTAG support */
+ gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE));
+ rn = "DESAVE";
+ break;
+ default:
+ goto die;
+ }
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ default:
+ goto die;
+ }
+ LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
+ /* For simplicity assume that all writes can cause interrupts. */
+ if (use_icount) {
+ gen_io_end();
+ ctx->bstate = BS_STOP;
+ }
+ return;
+
+die:
+ LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
+ generate_exception(ctx, EXCP_RI);
+}
+
+#if defined(TARGET_MIPS64)
+static void gen_dmfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
+{
+ const char *rn = "invalid";
+
+ if (sel != 0)
+ check_insn(env, ctx, ISA_MIPS64);
+
+ switch (reg) {
+ case 0:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index));
+ rn = "Index";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_mvpcontrol(arg);
+ rn = "MVPControl";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_mvpconf0(arg);
+ rn = "MVPConf0";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_mvpconf1(arg);
+ rn = "MVPConf1";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 1:
+ switch (sel) {
+ case 0:
+ gen_helper_mfc0_random(arg);
+ rn = "Random";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl));
+ rn = "VPEControl";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0));
+ rn = "VPEConf0";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1));
+ rn = "VPEConf1";
+ break;
+ case 4:
+ check_insn(env, ctx, ASE_MT);
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_YQMask));
+ rn = "YQMask";
+ break;
+ case 5:
+ check_insn(env, ctx, ASE_MT);
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule));
+ rn = "VPESchedule";
+ break;
+ case 6:
+ check_insn(env, ctx, ASE_MT);
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
+ rn = "VPEScheFBack";
+ break;
+ case 7:
+ check_insn(env, ctx, ASE_MT);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt));
+ rn = "VPEOpt";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 2:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0));
+ rn = "EntryLo0";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_tcstatus(arg);
+ rn = "TCStatus";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mfc0_tcbind(arg);
+ rn = "TCBind";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_dmfc0_tcrestart(arg);
+ rn = "TCRestart";
+ break;
+ case 4:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_dmfc0_tchalt(arg);
+ rn = "TCHalt";
+ break;
+ case 5:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_dmfc0_tccontext(arg);
+ rn = "TCContext";
+ break;
+ case 6:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_dmfc0_tcschedule(arg);
+ rn = "TCSchedule";
+ break;
+ case 7:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_dmfc0_tcschefback(arg);
+ rn = "TCScheFBack";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 3:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1));
+ rn = "EntryLo1";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 4:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context));
+ rn = "Context";
+ break;
+ case 1:
+// gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */
+ rn = "ContextConfig";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 5:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask));
+ rn = "PageMask";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain));
+ rn = "PageGrain";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 6:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired));
+ rn = "Wired";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0));
+ rn = "SRSConf0";
+ break;
+ case 2:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1));
+ rn = "SRSConf1";
+ break;
+ case 3:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2));
+ rn = "SRSConf2";
+ break;
+ case 4:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3));
+ rn = "SRSConf3";
+ break;
+ case 5:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4));
+ rn = "SRSConf4";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 7:
+ switch (sel) {
+ case 0:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna));
+ rn = "HWREna";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 8:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr));
+ rn = "BadVAddr";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 9:
+ switch (sel) {
+ case 0:
+ /* Mark as an IO operation because we read the time. */
+ if (use_icount)
+ gen_io_start();
+ gen_helper_mfc0_count(arg);
+ if (use_icount) {
+ gen_io_end();
+ ctx->bstate = BS_STOP;
+ }
+ rn = "Count";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
+ break;
+ case 10:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi));
+ rn = "EntryHi";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 11:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare));
+ rn = "Compare";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
+ break;
+ case 12:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status));
+ rn = "Status";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl));
+ rn = "IntCtl";
+ break;
+ case 2:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl));
+ rn = "SRSCtl";
+ break;
+ case 3:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap));
+ rn = "SRSMap";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 13:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause));
+ rn = "Cause";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 14:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
+ rn = "EPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 15:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid));
+ rn = "PRid";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase));
+ rn = "EBase";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 16:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0));
+ rn = "Config";
+ break;
+ case 1:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1));
+ rn = "Config1";
+ break;
+ case 2:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2));
+ rn = "Config2";
+ break;
+ case 3:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3));
+ rn = "Config3";
+ break;
+ /* 6,7 are implementation dependent */
+ case 6:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6));
+ rn = "Config6";
+ break;
+ case 7:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7));
+ rn = "Config7";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 17:
+ switch (sel) {
+ case 0:
+ gen_helper_dmfc0_lladdr(arg);
+ rn = "LLAddr";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 18:
+ switch (sel) {
+ case 0 ... 7:
+ gen_helper_1i(dmfc0_watchlo, arg, sel);
+ rn = "WatchLo";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 19:
+ switch (sel) {
+ case 0 ... 7:
+ gen_helper_1i(mfc0_watchhi, arg, sel);
+ rn = "WatchHi";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 20:
+ switch (sel) {
+ case 0:
+ check_insn(env, ctx, ISA_MIPS3);
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext));
+ rn = "XContext";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 21:
+ /* Officially reserved, but sel 0 is used for R1x000 framemask */
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask));
+ rn = "Framemask";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 22:
+ tcg_gen_movi_tl(arg, 0); /* unimplemented */
+ rn = "'Diagnostic"; /* implementation dependent */
+ break;
+ case 23:
+ switch (sel) {
+ case 0:
+ gen_helper_mfc0_debug(arg); /* EJTAG support */
+ rn = "Debug";
+ break;
+ case 1:
+// gen_helper_dmfc0_tracecontrol(arg); /* PDtrace support */
+ rn = "TraceControl";
+// break;
+ case 2:
+// gen_helper_dmfc0_tracecontrol2(arg); /* PDtrace support */
+ rn = "TraceControl2";
+// break;
+ case 3:
+// gen_helper_dmfc0_usertracedata(arg); /* PDtrace support */
+ rn = "UserTraceData";
+// break;
+ case 4:
+// gen_helper_dmfc0_tracebpc(arg); /* PDtrace support */
+ rn = "TraceBPC";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 24:
+ switch (sel) {
+ case 0:
+ /* EJTAG support */
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
+ rn = "DEPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 25:
+ switch (sel) {
+ case 0:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0));
+ rn = "Performance0";
+ break;
+ case 1:
+// gen_helper_dmfc0_performance1(arg);
+ rn = "Performance1";
+// break;
+ case 2:
+// gen_helper_dmfc0_performance2(arg);
+ rn = "Performance2";
+// break;
+ case 3:
+// gen_helper_dmfc0_performance3(arg);
+ rn = "Performance3";
+// break;
+ case 4:
+// gen_helper_dmfc0_performance4(arg);
+ rn = "Performance4";
+// break;
+ case 5:
+// gen_helper_dmfc0_performance5(arg);
+ rn = "Performance5";
+// break;
+ case 6:
+// gen_helper_dmfc0_performance6(arg);
+ rn = "Performance6";
+// break;
+ case 7:
+// gen_helper_dmfc0_performance7(arg);
+ rn = "Performance7";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 26:
+ tcg_gen_movi_tl(arg, 0); /* unimplemented */
+ rn = "ECC";
+ break;
+ case 27:
+ switch (sel) {
+ /* ignored */
+ case 0 ... 3:
+ tcg_gen_movi_tl(arg, 0); /* unimplemented */
+ rn = "CacheErr";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 28:
+ switch (sel) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo));
+ rn = "TagLo";
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo));
+ rn = "DataLo";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 29:
+ switch (sel) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi));
+ rn = "TagHi";
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi));
+ rn = "DataHi";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 30:
+ switch (sel) {
+ case 0:
+ tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
+ rn = "ErrorEPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 31:
+ switch (sel) {
+ case 0:
+ /* EJTAG support */
+ gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE));
+ rn = "DESAVE";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ default:
+ goto die;
+ }
+ LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
+ return;
+
+die:
+ LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
+ generate_exception(ctx, EXCP_RI);
+}
+
+static void gen_dmtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
+{
+ const char *rn = "invalid";
+
+ if (sel != 0)
+ check_insn(env, ctx, ISA_MIPS64);
+
+ if (use_icount)
+ gen_io_start();
+
+ switch (reg) {
+ case 0:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_index(arg);
+ rn = "Index";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_mvpcontrol(arg);
+ rn = "MVPControl";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ /* ignored */
+ rn = "MVPConf0";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ /* ignored */
+ rn = "MVPConf1";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 1:
+ switch (sel) {
+ case 0:
+ /* ignored */
+ rn = "Random";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_vpecontrol(arg);
+ rn = "VPEControl";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_vpeconf0(arg);
+ rn = "VPEConf0";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_vpeconf1(arg);
+ rn = "VPEConf1";
+ break;
+ case 4:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_yqmask(arg);
+ rn = "YQMask";
+ break;
+ case 5:
+ check_insn(env, ctx, ASE_MT);
+ tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule));
+ rn = "VPESchedule";
+ break;
+ case 6:
+ check_insn(env, ctx, ASE_MT);
+ tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
+ rn = "VPEScheFBack";
+ break;
+ case 7:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_vpeopt(arg);
+ rn = "VPEOpt";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 2:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_entrylo0(arg);
+ rn = "EntryLo0";
+ break;
+ case 1:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tcstatus(arg);
+ rn = "TCStatus";
+ break;
+ case 2:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tcbind(arg);
+ rn = "TCBind";
+ break;
+ case 3:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tcrestart(arg);
+ rn = "TCRestart";
+ break;
+ case 4:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tchalt(arg);
+ rn = "TCHalt";
+ break;
+ case 5:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tccontext(arg);
+ rn = "TCContext";
+ break;
+ case 6:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tcschedule(arg);
+ rn = "TCSchedule";
+ break;
+ case 7:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_mtc0_tcschefback(arg);
+ rn = "TCScheFBack";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 3:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_entrylo1(arg);
+ rn = "EntryLo1";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 4:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_context(arg);
+ rn = "Context";
+ break;
+ case 1:
+// gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
+ rn = "ContextConfig";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 5:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_pagemask(arg);
+ rn = "PageMask";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_pagegrain(arg);
+ rn = "PageGrain";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 6:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_wired(arg);
+ rn = "Wired";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsconf0(arg);
+ rn = "SRSConf0";
+ break;
+ case 2:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsconf1(arg);
+ rn = "SRSConf1";
+ break;
+ case 3:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsconf2(arg);
+ rn = "SRSConf2";
+ break;
+ case 4:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsconf3(arg);
+ rn = "SRSConf3";
+ break;
+ case 5:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsconf4(arg);
+ rn = "SRSConf4";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 7:
+ switch (sel) {
+ case 0:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_hwrena(arg);
+ rn = "HWREna";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 8:
+ /* ignored */
+ rn = "BadVAddr";
+ break;
+ case 9:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_count(arg);
+ rn = "Count";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ case 10:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_entryhi(arg);
+ rn = "EntryHi";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 11:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_compare(arg);
+ rn = "Compare";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ case 12:
+ switch (sel) {
+ case 0:
+ save_cpu_state(ctx, 1);
+ gen_helper_mtc0_status(arg);
+ /* BS_STOP isn't good enough here, hflags may have changed. */
+ gen_save_pc(ctx->pc + 4);
+ ctx->bstate = BS_EXCP;
+ rn = "Status";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_intctl(arg);
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "IntCtl";
+ break;
+ case 2:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_srsctl(arg);
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "SRSCtl";
+ break;
+ case 3:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap));
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "SRSMap";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 13:
+ switch (sel) {
+ case 0:
+ save_cpu_state(ctx, 1);
+ gen_helper_mtc0_cause(arg);
+ rn = "Cause";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 14:
+ switch (sel) {
+ case 0:
+ tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
+ rn = "EPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 15:
+ switch (sel) {
+ case 0:
+ /* ignored */
+ rn = "PRid";
+ break;
+ case 1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_helper_mtc0_ebase(arg);
+ rn = "EBase";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 16:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_config0(arg);
+ rn = "Config";
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ case 1:
+ /* ignored, read only */
+ rn = "Config1";
+ break;
+ case 2:
+ gen_helper_mtc0_config2(arg);
+ rn = "Config2";
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ case 3:
+ /* ignored */
+ rn = "Config3";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ rn = "Invalid config selector";
+ goto die;
+ }
+ break;
+ case 17:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_lladdr(arg);
+ rn = "LLAddr";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 18:
+ switch (sel) {
+ case 0 ... 7:
+ gen_helper_1i(mtc0_watchlo, arg, sel);
+ rn = "WatchLo";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 19:
+ switch (sel) {
+ case 0 ... 7:
+ gen_helper_1i(mtc0_watchhi, arg, sel);
+ rn = "WatchHi";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 20:
+ switch (sel) {
+ case 0:
+ check_insn(env, ctx, ISA_MIPS3);
+ gen_helper_mtc0_xcontext(arg);
+ rn = "XContext";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 21:
+ /* Officially reserved, but sel 0 is used for R1x000 framemask */
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_framemask(arg);
+ rn = "Framemask";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 22:
+ /* ignored */
+ rn = "Diagnostic"; /* implementation dependent */
+ break;
+ case 23:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_debug(arg); /* EJTAG support */
+ /* BS_STOP isn't good enough here, hflags may have changed. */
+ gen_save_pc(ctx->pc + 4);
+ ctx->bstate = BS_EXCP;
+ rn = "Debug";
+ break;
+ case 1:
+// gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "TraceControl";
+// break;
+ case 2:
+// gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "TraceControl2";
+// break;
+ case 3:
+// gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "UserTraceData";
+// break;
+ case 4:
+// gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ rn = "TraceBPC";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 24:
+ switch (sel) {
+ case 0:
+ /* EJTAG support */
+ tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
+ rn = "DEPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 25:
+ switch (sel) {
+ case 0:
+ gen_helper_mtc0_performance0(arg);
+ rn = "Performance0";
+ break;
+ case 1:
+// gen_helper_mtc0_performance1(arg);
+ rn = "Performance1";
+// break;
+ case 2:
+// gen_helper_mtc0_performance2(arg);
+ rn = "Performance2";
+// break;
+ case 3:
+// gen_helper_mtc0_performance3(arg);
+ rn = "Performance3";
+// break;
+ case 4:
+// gen_helper_mtc0_performance4(arg);
+ rn = "Performance4";
+// break;
+ case 5:
+// gen_helper_mtc0_performance5(arg);
+ rn = "Performance5";
+// break;
+ case 6:
+// gen_helper_mtc0_performance6(arg);
+ rn = "Performance6";
+// break;
+ case 7:
+// gen_helper_mtc0_performance7(arg);
+ rn = "Performance7";
+// break;
+ default:
+ goto die;
+ }
+ break;
+ case 26:
+ /* ignored */
+ rn = "ECC";
+ break;
+ case 27:
+ switch (sel) {
+ case 0 ... 3:
+ /* ignored */
+ rn = "CacheErr";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 28:
+ switch (sel) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ gen_helper_mtc0_taglo(arg);
+ rn = "TagLo";
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_helper_mtc0_datalo(arg);
+ rn = "DataLo";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 29:
+ switch (sel) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ gen_helper_mtc0_taghi(arg);
+ rn = "TagHi";
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_helper_mtc0_datahi(arg);
+ rn = "DataHi";
+ break;
+ default:
+ rn = "invalid sel";
+ goto die;
+ }
+ break;
+ case 30:
+ switch (sel) {
+ case 0:
+ tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
+ rn = "ErrorEPC";
+ break;
+ default:
+ goto die;
+ }
+ break;
+ case 31:
+ switch (sel) {
+ case 0:
+ /* EJTAG support */
+ gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE));
+ rn = "DESAVE";
+ break;
+ default:
+ goto die;
+ }
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ default:
+ goto die;
+ }
+ LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
+ /* For simplicity assume that all writes can cause interrupts. */
+ if (use_icount) {
+ gen_io_end();
+ ctx->bstate = BS_STOP;
+ }
+ return;
+
+die:
+ LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
+ generate_exception(ctx, EXCP_RI);
+}
+#endif /* TARGET_MIPS64 */
+
+static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, int rd,
+ int u, int sel, int h)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ TCGv t0 = tcg_temp_local_new();
+
+ if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
+ ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
+ (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
+ tcg_gen_movi_tl(t0, -1);
+ else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
+ (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
+ tcg_gen_movi_tl(t0, -1);
+ else if (u == 0) {
+ switch (rt) {
+ case 2:
+ switch (sel) {
+ case 1:
+ gen_helper_mftc0_tcstatus(t0);
+ break;
+ case 2:
+ gen_helper_mftc0_tcbind(t0);
+ break;
+ case 3:
+ gen_helper_mftc0_tcrestart(t0);
+ break;
+ case 4:
+ gen_helper_mftc0_tchalt(t0);
+ break;
+ case 5:
+ gen_helper_mftc0_tccontext(t0);
+ break;
+ case 6:
+ gen_helper_mftc0_tcschedule(t0);
+ break;
+ case 7:
+ gen_helper_mftc0_tcschefback(t0);
+ break;
+ default:
+ gen_mfc0(env, ctx, t0, rt, sel);
+ break;
+ }
+ break;
+ case 10:
+ switch (sel) {
+ case 0:
+ gen_helper_mftc0_entryhi(t0);
+ break;
+ default:
+ gen_mfc0(env, ctx, t0, rt, sel);
+ break;
+ }
+ case 12:
+ switch (sel) {
+ case 0:
+ gen_helper_mftc0_status(t0);
+ break;
+ default:
+ gen_mfc0(env, ctx, t0, rt, sel);
+ break;
+ }
+ case 23:
+ switch (sel) {
+ case 0:
+ gen_helper_mftc0_debug(t0);
+ break;
+ default:
+ gen_mfc0(env, ctx, t0, rt, sel);
+ break;
+ }
+ break;
+ default:
+ gen_mfc0(env, ctx, t0, rt, sel);
+ }
+ } else switch (sel) {
+ /* GPR registers. */
+ case 0:
+ gen_helper_1i(mftgpr, t0, rt);
+ break;
+ /* Auxiliary CPU registers */
+ case 1:
+ switch (rt) {
+ case 0:
+ gen_helper_1i(mftlo, t0, 0);
+ break;
+ case 1:
+ gen_helper_1i(mfthi, t0, 0);
+ break;
+ case 2:
+ gen_helper_1i(mftacx, t0, 0);
+ break;
+ case 4:
+ gen_helper_1i(mftlo, t0, 1);
+ break;
+ case 5:
+ gen_helper_1i(mfthi, t0, 1);
+ break;
+ case 6:
+ gen_helper_1i(mftacx, t0, 1);
+ break;
+ case 8:
+ gen_helper_1i(mftlo, t0, 2);
+ break;
+ case 9:
+ gen_helper_1i(mfthi, t0, 2);
+ break;
+ case 10:
+ gen_helper_1i(mftacx, t0, 2);
+ break;
+ case 12:
+ gen_helper_1i(mftlo, t0, 3);
+ break;
+ case 13:
+ gen_helper_1i(mfthi, t0, 3);
+ break;
+ case 14:
+ gen_helper_1i(mftacx, t0, 3);
+ break;
+ case 16:
+ gen_helper_mftdsp(t0);
+ break;
+ default:
+ goto die;
+ }
+ break;
+ /* Floating point (COP1). */
+ case 2:
+ /* XXX: For now we support only a single FPU context. */
+ if (h == 0) {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, rt);
+ tcg_gen_ext_i32_tl(t0, fp0);
+ tcg_temp_free_i32(fp0);
+ } else {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32h(fp0, rt);
+ tcg_gen_ext_i32_tl(t0, fp0);
+ tcg_temp_free_i32(fp0);
+ }
+ break;
+ case 3:
+ /* XXX: For now we support only a single FPU context. */
+ gen_helper_1i(cfc1, t0, rt);
+ break;
+ /* COP2: Not implemented. */
+ case 4:
+ case 5:
+ /* fall through */
+ default:
+ goto die;
+ }
+ LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
+ gen_store_gpr(t0, rd);
+ tcg_temp_free(t0);
+ return;
+
+die:
+ tcg_temp_free(t0);
+ LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
+ generate_exception(ctx, EXCP_RI);
+}
+
+static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, int rt,
+ int u, int sel, int h)
+{
+ int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
+ TCGv t0 = tcg_temp_local_new();
+
+ gen_load_gpr(t0, rt);
+ if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
+ ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
+ (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
+ /* NOP */ ;
+ else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
+ (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
+ /* NOP */ ;
+ else if (u == 0) {
+ switch (rd) {
+ case 2:
+ switch (sel) {
+ case 1:
+ gen_helper_mttc0_tcstatus(t0);
+ break;
+ case 2:
+ gen_helper_mttc0_tcbind(t0);
+ break;
+ case 3:
+ gen_helper_mttc0_tcrestart(t0);
+ break;
+ case 4:
+ gen_helper_mttc0_tchalt(t0);
+ break;
+ case 5:
+ gen_helper_mttc0_tccontext(t0);
+ break;
+ case 6:
+ gen_helper_mttc0_tcschedule(t0);
+ break;
+ case 7:
+ gen_helper_mttc0_tcschefback(t0);
+ break;
+ default:
+ gen_mtc0(env, ctx, t0, rd, sel);
+ break;
+ }
+ break;
+ case 10:
+ switch (sel) {
+ case 0:
+ gen_helper_mttc0_entryhi(t0);
+ break;
+ default:
+ gen_mtc0(env, ctx, t0, rd, sel);
+ break;
+ }
+ case 12:
+ switch (sel) {
+ case 0:
+ gen_helper_mttc0_status(t0);
+ break;
+ default:
+ gen_mtc0(env, ctx, t0, rd, sel);
+ break;
+ }
+ case 23:
+ switch (sel) {
+ case 0:
+ gen_helper_mttc0_debug(t0);
+ break;
+ default:
+ gen_mtc0(env, ctx, t0, rd, sel);
+ break;
+ }
+ break;
+ default:
+ gen_mtc0(env, ctx, t0, rd, sel);
+ }
+ } else switch (sel) {
+ /* GPR registers. */
+ case 0:
+ gen_helper_1i(mttgpr, t0, rd);
+ break;
+ /* Auxiliary CPU registers */
+ case 1:
+ switch (rd) {
+ case 0:
+ gen_helper_1i(mttlo, t0, 0);
+ break;
+ case 1:
+ gen_helper_1i(mtthi, t0, 0);
+ break;
+ case 2:
+ gen_helper_1i(mttacx, t0, 0);
+ break;
+ case 4:
+ gen_helper_1i(mttlo, t0, 1);
+ break;
+ case 5:
+ gen_helper_1i(mtthi, t0, 1);
+ break;
+ case 6:
+ gen_helper_1i(mttacx, t0, 1);
+ break;
+ case 8:
+ gen_helper_1i(mttlo, t0, 2);
+ break;
+ case 9:
+ gen_helper_1i(mtthi, t0, 2);
+ break;
+ case 10:
+ gen_helper_1i(mttacx, t0, 2);
+ break;
+ case 12:
+ gen_helper_1i(mttlo, t0, 3);
+ break;
+ case 13:
+ gen_helper_1i(mtthi, t0, 3);
+ break;
+ case 14:
+ gen_helper_1i(mttacx, t0, 3);
+ break;
+ case 16:
+ gen_helper_mttdsp(t0);
+ break;
+ default:
+ goto die;
+ }
+ break;
+ /* Floating point (COP1). */
+ case 2:
+ /* XXX: For now we support only a single FPU context. */
+ if (h == 0) {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ tcg_gen_trunc_tl_i32(fp0, t0);
+ gen_store_fpr32(fp0, rd);
+ tcg_temp_free_i32(fp0);
+ } else {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ tcg_gen_trunc_tl_i32(fp0, t0);
+ gen_store_fpr32h(fp0, rd);
+ tcg_temp_free_i32(fp0);
+ }
+ break;
+ case 3:
+ /* XXX: For now we support only a single FPU context. */
+ gen_helper_1i(ctc1, t0, rd);
+ break;
+ /* COP2: Not implemented. */
+ case 4:
+ case 5:
+ /* fall through */
+ default:
+ goto die;
+ }
+ LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
+ tcg_temp_free(t0);
+ return;
+
+die:
+ tcg_temp_free(t0);
+ LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
+ generate_exception(ctx, EXCP_RI);
+}
+
+static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd)
+{
+ const char *opn = "ldst";
+
+ switch (opc) {
+ case OPC_MFC0:
+ if (rt == 0) {
+ /* Treat as NOP. */
+ return;
+ }
+ gen_mfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
+ opn = "mfc0";
+ break;
+ case OPC_MTC0:
+ {
+ TCGv t0 = tcg_temp_new();
+
+ gen_load_gpr(t0, rt);
+ gen_mtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
+ tcg_temp_free(t0);
+ }
+ opn = "mtc0";
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DMFC0:
+ check_insn(env, ctx, ISA_MIPS3);
+ if (rt == 0) {
+ /* Treat as NOP. */
+ return;
+ }
+ gen_dmfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
+ opn = "dmfc0";
+ break;
+ case OPC_DMTC0:
+ check_insn(env, ctx, ISA_MIPS3);
+ {
+ TCGv t0 = tcg_temp_new();
+
+ gen_load_gpr(t0, rt);
+ gen_dmtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
+ tcg_temp_free(t0);
+ }
+ opn = "dmtc0";
+ break;
+#endif
+ case OPC_MFTR:
+ check_insn(env, ctx, ASE_MT);
+ if (rd == 0) {
+ /* Treat as NOP. */
+ return;
+ }
+ gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1,
+ ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
+ opn = "mftr";
+ break;
+ case OPC_MTTR:
+ check_insn(env, ctx, ASE_MT);
+ gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1,
+ ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
+ opn = "mttr";
+ break;
+ case OPC_TLBWI:
+ opn = "tlbwi";
+ if (!env->tlb->helper_tlbwi)
+ goto die;
+ gen_helper_tlbwi();
+ break;
+ case OPC_TLBWR:
+ opn = "tlbwr";
+ if (!env->tlb->helper_tlbwr)
+ goto die;
+ gen_helper_tlbwr();
+ break;
+ case OPC_TLBP:
+ opn = "tlbp";
+ if (!env->tlb->helper_tlbp)
+ goto die;
+ gen_helper_tlbp();
+ break;
+ case OPC_TLBR:
+ opn = "tlbr";
+ if (!env->tlb->helper_tlbr)
+ goto die;
+ gen_helper_tlbr();
+ break;
+ case OPC_ERET:
+ opn = "eret";
+ check_insn(env, ctx, ISA_MIPS2);
+ gen_helper_eret();
+ ctx->bstate = BS_EXCP;
+ break;
+ case OPC_DERET:
+ opn = "deret";
+ check_insn(env, ctx, ISA_MIPS32);
+ if (!(ctx->hflags & MIPS_HFLAG_DM)) {
+ MIPS_INVAL(opn);
+ generate_exception(ctx, EXCP_RI);
+ } else {
+ gen_helper_deret();
+ ctx->bstate = BS_EXCP;
+ }
+ break;
+ case OPC_WAIT:
+ opn = "wait";
+ check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
+ /* If we get an exception, we want to restart at next instruction */
+ ctx->pc += 4;
+ save_cpu_state(ctx, 1);
+ ctx->pc -= 4;
+ gen_helper_wait();
+ ctx->bstate = BS_EXCP;
+ break;
+ default:
+ die:
+ MIPS_INVAL(opn);
+ generate_exception(ctx, EXCP_RI);
+ return;
+ }
+ MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
+}
+#endif /* !CONFIG_USER_ONLY */
+
+/* CP1 Branches (before delay slot) */
+static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op,
+ int32_t cc, int32_t offset)
+{
+ target_ulong btarget;
+ const char *opn = "cp1 cond branch";
+ TCGv_i32 t0 = tcg_temp_new_i32();
+
+ if (cc != 0)
+ check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
+
+ btarget = ctx->pc + 4 + offset;
+
+ switch (op) {
+ case OPC_BC1F:
+ tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
+ tcg_gen_not_i32(t0, t0);
+ tcg_gen_andi_i32(t0, t0, 1);
+ tcg_gen_extu_i32_tl(bcond, t0);
+ opn = "bc1f";
+ goto not_likely;
+ case OPC_BC1FL:
+ tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
+ tcg_gen_not_i32(t0, t0);
+ tcg_gen_andi_i32(t0, t0, 1);
+ tcg_gen_extu_i32_tl(bcond, t0);
+ opn = "bc1fl";
+ goto likely;
+ case OPC_BC1T:
+ tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
+ tcg_gen_andi_i32(t0, t0, 1);
+ tcg_gen_extu_i32_tl(bcond, t0);
+ opn = "bc1t";
+ goto not_likely;
+ case OPC_BC1TL:
+ tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
+ tcg_gen_andi_i32(t0, t0, 1);
+ tcg_gen_extu_i32_tl(bcond, t0);
+ opn = "bc1tl";
+ likely:
+ ctx->hflags |= MIPS_HFLAG_BL;
+ break;
+ case OPC_BC1FANY2:
+ {
+ TCGv_i32 t1 = tcg_temp_new_i32();
+ tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
+ tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
+ tcg_gen_or_i32(t0, t0, t1);
+ tcg_temp_free_i32(t1);
+ tcg_gen_not_i32(t0, t0);
+ tcg_gen_andi_i32(t0, t0, 1);
+ tcg_gen_extu_i32_tl(bcond, t0);
+ }
+ opn = "bc1any2f";
+ goto not_likely;
+ case OPC_BC1TANY2:
+ {
+ TCGv_i32 t1 = tcg_temp_new_i32();
+ tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
+ tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
+ tcg_gen_or_i32(t0, t0, t1);
+ tcg_temp_free_i32(t1);
+ tcg_gen_andi_i32(t0, t0, 1);
+ tcg_gen_extu_i32_tl(bcond, t0);
+ }
+ opn = "bc1any2t";
+ goto not_likely;
+ case OPC_BC1FANY4:
+ {
+ TCGv_i32 t1 = tcg_temp_new_i32();
+ tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
+ tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
+ tcg_gen_or_i32(t0, t0, t1);
+ tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
+ tcg_gen_or_i32(t0, t0, t1);
+ tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
+ tcg_gen_or_i32(t0, t0, t1);
+ tcg_temp_free_i32(t1);
+ tcg_gen_not_i32(t0, t0);
+ tcg_gen_andi_i32(t0, t0, 1);
+ tcg_gen_extu_i32_tl(bcond, t0);
+ }
+ opn = "bc1any4f";
+ goto not_likely;
+ case OPC_BC1TANY4:
+ {
+ TCGv_i32 t1 = tcg_temp_new_i32();
+ tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
+ tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
+ tcg_gen_or_i32(t0, t0, t1);
+ tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
+ tcg_gen_or_i32(t0, t0, t1);
+ tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
+ tcg_gen_or_i32(t0, t0, t1);
+ tcg_temp_free_i32(t1);
+ tcg_gen_andi_i32(t0, t0, 1);
+ tcg_gen_extu_i32_tl(bcond, t0);
+ }
+ opn = "bc1any4t";
+ not_likely:
+ ctx->hflags |= MIPS_HFLAG_BC;
+ break;
+ default:
+ MIPS_INVAL(opn);
+ generate_exception (ctx, EXCP_RI);
+ goto out;
+ }
+ MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
+ ctx->hflags, btarget);
+ ctx->btarget = btarget;
+
+ out:
+ tcg_temp_free_i32(t0);
+}
+
+/* Coprocessor 1 (FPU) */
+
+#define FOP(func, fmt) (((fmt) << 21) | (func))
+
+static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
+{
+ const char *opn = "cp1 move";
+ TCGv t0 = tcg_temp_new();
+
+ switch (opc) {
+ case OPC_MFC1:
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ tcg_gen_ext_i32_tl(t0, fp0);
+ tcg_temp_free_i32(fp0);
+ }
+ gen_store_gpr(t0, rt);
+ opn = "mfc1";
+ break;
+ case OPC_MTC1:
+ gen_load_gpr(t0, rt);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ tcg_gen_trunc_tl_i32(fp0, t0);
+ gen_store_fpr32(fp0, fs);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "mtc1";
+ break;
+ case OPC_CFC1:
+ gen_helper_1i(cfc1, t0, fs);
+ gen_store_gpr(t0, rt);
+ opn = "cfc1";
+ break;
+ case OPC_CTC1:
+ gen_load_gpr(t0, rt);
+ gen_helper_1i(ctc1, t0, fs);
+ opn = "ctc1";
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DMFC1:
+ gen_load_fpr64(ctx, t0, fs);
+ gen_store_gpr(t0, rt);
+ opn = "dmfc1";
+ break;
+ case OPC_DMTC1:
+ gen_load_gpr(t0, rt);
+ gen_store_fpr64(ctx, t0, fs);
+ opn = "dmtc1";
+ break;
+#endif
+ case OPC_MFHC1:
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32h(fp0, fs);
+ tcg_gen_ext_i32_tl(t0, fp0);
+ tcg_temp_free_i32(fp0);
+ }
+ gen_store_gpr(t0, rt);
+ opn = "mfhc1";
+ break;
+ case OPC_MTHC1:
+ gen_load_gpr(t0, rt);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ tcg_gen_trunc_tl_i32(fp0, t0);
+ gen_store_fpr32h(fp0, fs);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "mthc1";
+ break;
+ default:
+ MIPS_INVAL(opn);
+ generate_exception (ctx, EXCP_RI);
+ goto out;
+ }
+ MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
+
+ out:
+ tcg_temp_free(t0);
+}
+
+static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
+{
+ int l1;
+ TCGCond cond;
+ TCGv_i32 t0;
+
+ if (rd == 0) {
+ /* Treat as NOP. */
+ return;
+ }
+
+ if (tf)
+ cond = TCG_COND_EQ;
+ else
+ cond = TCG_COND_NE;
+
+ l1 = gen_new_label();
+ t0 = tcg_temp_new_i32();
+ tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
+ tcg_gen_brcondi_i32(cond, t0, 0, l1);
+ tcg_temp_free_i32(t0);
+ if (rs == 0) {
+ tcg_gen_movi_tl(cpu_gpr[rd], 0);
+ } else {
+ tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
+ }
+ gen_set_label(l1);
+}
+
+static inline void gen_movcf_s (int fs, int fd, int cc, int tf)
+{
+ int cond;
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ int l1 = gen_new_label();
+
+ if (tf)
+ cond = TCG_COND_EQ;
+ else
+ cond = TCG_COND_NE;
+
+ tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
+ tcg_gen_brcondi_i32(cond, t0, 0, l1);
+ gen_load_fpr32(t0, fs);
+ gen_store_fpr32(t0, fd);
+ gen_set_label(l1);
+ tcg_temp_free_i32(t0);
+}
+
+static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf)
+{
+ int cond;
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ TCGv_i64 fp0;
+ int l1 = gen_new_label();
+
+ if (tf)
+ cond = TCG_COND_EQ;
+ else
+ cond = TCG_COND_NE;
+
+ tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
+ tcg_gen_brcondi_i32(cond, t0, 0, l1);
+ tcg_temp_free_i32(t0);
+ fp0 = tcg_temp_new_i64();
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ gen_set_label(l1);
+}
+
+static inline void gen_movcf_ps (int fs, int fd, int cc, int tf)
+{
+ int cond;
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ int l1 = gen_new_label();
+ int l2 = gen_new_label();
+
+ if (tf)
+ cond = TCG_COND_EQ;
+ else
+ cond = TCG_COND_NE;
+
+ tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
+ tcg_gen_brcondi_i32(cond, t0, 0, l1);
+ gen_load_fpr32(t0, fs);
+ gen_store_fpr32(t0, fd);
+ gen_set_label(l1);
+
+ tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc+1));
+ tcg_gen_brcondi_i32(cond, t0, 0, l2);
+ gen_load_fpr32h(t0, fs);
+ gen_store_fpr32h(t0, fd);
+ tcg_temp_free_i32(t0);
+ gen_set_label(l2);
+}
+
+
+static void gen_farith (DisasContext *ctx, uint32_t op1,
+ int ft, int fs, int fd, int cc)
+{
+ const char *opn = "farith";
+ const char *condnames[] = {
+ "c.f",
+ "c.un",
+ "c.eq",
+ "c.ueq",
+ "c.olt",
+ "c.ult",
+ "c.ole",
+ "c.ule",
+ "c.sf",
+ "c.ngle",
+ "c.seq",
+ "c.ngl",
+ "c.lt",
+ "c.nge",
+ "c.le",
+ "c.ngt",
+ };
+ const char *condnames_abs[] = {
+ "cabs.f",
+ "cabs.un",
+ "cabs.eq",
+ "cabs.ueq",
+ "cabs.olt",
+ "cabs.ult",
+ "cabs.ole",
+ "cabs.ule",
+ "cabs.sf",
+ "cabs.ngle",
+ "cabs.seq",
+ "cabs.ngl",
+ "cabs.lt",
+ "cabs.nge",
+ "cabs.le",
+ "cabs.ngt",
+ };
+ enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
+ uint32_t func = ctx->opcode & 0x3f;
+
+ switch (ctx->opcode & FOP(0x3f, 0x1f)) {
+ case FOP(0, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_helper_float_add_s(fp0, fp0, fp1);
+ tcg_temp_free_i32(fp1);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "add.s";
+ optype = BINOP;
+ break;
+ case FOP(1, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_helper_float_sub_s(fp0, fp0, fp1);
+ tcg_temp_free_i32(fp1);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "sub.s";
+ optype = BINOP;
+ break;
+ case FOP(2, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_helper_float_mul_s(fp0, fp0, fp1);
+ tcg_temp_free_i32(fp1);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "mul.s";
+ optype = BINOP;
+ break;
+ case FOP(3, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_helper_float_div_s(fp0, fp0, fp1);
+ tcg_temp_free_i32(fp1);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "div.s";
+ optype = BINOP;
+ break;
+ case FOP(4, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_sqrt_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "sqrt.s";
+ break;
+ case FOP(5, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_abs_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "abs.s";
+ break;
+ case FOP(6, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "mov.s";
+ break;
+ case FOP(7, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_chs_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "neg.s";
+ break;
+ case FOP(8, 16):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr32(fp32, fs);
+ gen_helper_float_roundl_s(fp64, fp32);
+ tcg_temp_free_i32(fp32);
+ gen_store_fpr64(ctx, fp64, fd);
+ tcg_temp_free_i64(fp64);
+ }
+ opn = "round.l.s";
+ break;
+ case FOP(9, 16):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr32(fp32, fs);
+ gen_helper_float_truncl_s(fp64, fp32);
+ tcg_temp_free_i32(fp32);
+ gen_store_fpr64(ctx, fp64, fd);
+ tcg_temp_free_i64(fp64);
+ }
+ opn = "trunc.l.s";
+ break;
+ case FOP(10, 16):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr32(fp32, fs);
+ gen_helper_float_ceill_s(fp64, fp32);
+ tcg_temp_free_i32(fp32);
+ gen_store_fpr64(ctx, fp64, fd);
+ tcg_temp_free_i64(fp64);
+ }
+ opn = "ceil.l.s";
+ break;
+ case FOP(11, 16):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr32(fp32, fs);
+ gen_helper_float_floorl_s(fp64, fp32);
+ tcg_temp_free_i32(fp32);
+ gen_store_fpr64(ctx, fp64, fd);
+ tcg_temp_free_i64(fp64);
+ }
+ opn = "floor.l.s";
+ break;
+ case FOP(12, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_roundw_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "round.w.s";
+ break;
+ case FOP(13, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_truncw_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "trunc.w.s";
+ break;
+ case FOP(14, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_ceilw_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "ceil.w.s";
+ break;
+ case FOP(15, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_floorw_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "floor.w.s";
+ break;
+ case FOP(17, 16):
+ gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1);
+ opn = "movcf.s";
+ break;
+ case FOP(18, 16):
+ {
+ int l1 = gen_new_label();
+ TCGv_i32 fp0;
+
+ if (ft != 0) {
+ tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
+ }
+ fp0 = tcg_temp_new_i32();
+ gen_load_fpr32(fp0, fs);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ gen_set_label(l1);
+ }
+ opn = "movz.s";
+ break;
+ case FOP(19, 16):
+ {
+ int l1 = gen_new_label();
+ TCGv_i32 fp0;
+
+ if (ft != 0) {
+ tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
+ fp0 = tcg_temp_new_i32();
+ gen_load_fpr32(fp0, fs);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ gen_set_label(l1);
+ }
+ }
+ opn = "movn.s";
+ break;
+ case FOP(21, 16):
+ check_cop1x(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_recip_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "recip.s";
+ break;
+ case FOP(22, 16):
+ check_cop1x(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_rsqrt_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "rsqrt.s";
+ break;
+ case FOP(28, 16):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, fd);
+ gen_helper_float_recip2_s(fp0, fp0, fp1);
+ tcg_temp_free_i32(fp1);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "recip2.s";
+ break;
+ case FOP(29, 16):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_recip1_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "recip1.s";
+ break;
+ case FOP(30, 16):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_rsqrt1_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "rsqrt1.s";
+ break;
+ case FOP(31, 16):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_helper_float_rsqrt2_s(fp0, fp0, fp1);
+ tcg_temp_free_i32(fp1);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "rsqrt2.s";
+ break;
+ case FOP(33, 16):
+ check_cp1_registers(ctx, fd);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr32(fp32, fs);
+ gen_helper_float_cvtd_s(fp64, fp32);
+ tcg_temp_free_i32(fp32);
+ gen_store_fpr64(ctx, fp64, fd);
+ tcg_temp_free_i64(fp64);
+ }
+ opn = "cvt.d.s";
+ break;
+ case FOP(36, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_cvtw_s(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "cvt.w.s";
+ break;
+ case FOP(37, 16):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr32(fp32, fs);
+ gen_helper_float_cvtl_s(fp64, fp32);
+ tcg_temp_free_i32(fp32);
+ gen_store_fpr64(ctx, fp64, fd);
+ tcg_temp_free_i64(fp64);
+ }
+ opn = "cvt.l.s";
+ break;
+ case FOP(38, 16):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+ TCGv_i32 fp32_0 = tcg_temp_new_i32();
+ TCGv_i32 fp32_1 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp32_0, fs);
+ gen_load_fpr32(fp32_1, ft);
+ tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1);
+ tcg_temp_free_i32(fp32_1);
+ tcg_temp_free_i32(fp32_0);
+ gen_store_fpr64(ctx, fp64, fd);
+ tcg_temp_free_i64(fp64);
+ }
+ opn = "cvt.ps.s";
+ break;
+ case FOP(48, 16):
+ case FOP(49, 16):
+ case FOP(50, 16):
+ case FOP(51, 16):
+ case FOP(52, 16):
+ case FOP(53, 16):
+ case FOP(54, 16):
+ case FOP(55, 16):
+ case FOP(56, 16):
+ case FOP(57, 16):
+ case FOP(58, 16):
+ case FOP(59, 16):
+ case FOP(60, 16):
+ case FOP(61, 16):
+ case FOP(62, 16):
+ case FOP(63, 16):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ if (ctx->opcode & (1 << 6)) {
+ check_cop1x(ctx);
+ gen_cmpabs_s(func-48, fp0, fp1, cc);
+ opn = condnames_abs[func-48];
+ } else {
+ gen_cmp_s(func-48, fp0, fp1, cc);
+ opn = condnames[func-48];
+ }
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ }
+ break;
+ case FOP(0, 17):
+ check_cp1_registers(ctx, fs | ft | fd);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_helper_float_add_d(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "add.d";
+ optype = BINOP;
+ break;
+ case FOP(1, 17):
+ check_cp1_registers(ctx, fs | ft | fd);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_helper_float_sub_d(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "sub.d";
+ optype = BINOP;
+ break;
+ case FOP(2, 17):
+ check_cp1_registers(ctx, fs | ft | fd);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_helper_float_mul_d(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "mul.d";
+ optype = BINOP;
+ break;
+ case FOP(3, 17):
+ check_cp1_registers(ctx, fs | ft | fd);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_helper_float_div_d(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "div.d";
+ optype = BINOP;
+ break;
+ case FOP(4, 17):
+ check_cp1_registers(ctx, fs | fd);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_sqrt_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "sqrt.d";
+ break;
+ case FOP(5, 17):
+ check_cp1_registers(ctx, fs | fd);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_abs_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "abs.d";
+ break;
+ case FOP(6, 17):
+ check_cp1_registers(ctx, fs | fd);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "mov.d";
+ break;
+ case FOP(7, 17):
+ check_cp1_registers(ctx, fs | fd);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_chs_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "neg.d";
+ break;
+ case FOP(8, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_roundl_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "round.l.d";
+ break;
+ case FOP(9, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_truncl_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "trunc.l.d";
+ break;
+ case FOP(10, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_ceill_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "ceil.l.d";
+ break;
+ case FOP(11, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_floorl_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "floor.l.d";
+ break;
+ case FOP(12, 17):
+ check_cp1_registers(ctx, fs);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp64, fs);
+ gen_helper_float_roundw_d(fp32, fp64);
+ tcg_temp_free_i64(fp64);
+ gen_store_fpr32(fp32, fd);
+ tcg_temp_free_i32(fp32);
+ }
+ opn = "round.w.d";
+ break;
+ case FOP(13, 17):
+ check_cp1_registers(ctx, fs);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp64, fs);
+ gen_helper_float_truncw_d(fp32, fp64);
+ tcg_temp_free_i64(fp64);
+ gen_store_fpr32(fp32, fd);
+ tcg_temp_free_i32(fp32);
+ }
+ opn = "trunc.w.d";
+ break;
+ case FOP(14, 17):
+ check_cp1_registers(ctx, fs);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp64, fs);
+ gen_helper_float_ceilw_d(fp32, fp64);
+ tcg_temp_free_i64(fp64);
+ gen_store_fpr32(fp32, fd);
+ tcg_temp_free_i32(fp32);
+ }
+ opn = "ceil.w.d";
+ break;
+ case FOP(15, 17):
+ check_cp1_registers(ctx, fs);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp64, fs);
+ gen_helper_float_floorw_d(fp32, fp64);
+ tcg_temp_free_i64(fp64);
+ gen_store_fpr32(fp32, fd);
+ tcg_temp_free_i32(fp32);
+ }
+ opn = "floor.w.d";
+ break;
+ case FOP(17, 17):
+ gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
+ opn = "movcf.d";
+ break;
+ case FOP(18, 17):
+ {
+ int l1 = gen_new_label();
+ TCGv_i64 fp0;
+
+ if (ft != 0) {
+ tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
+ }
+ fp0 = tcg_temp_new_i64();
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ gen_set_label(l1);
+ }
+ opn = "movz.d";
+ break;
+ case FOP(19, 17):
+ {
+ int l1 = gen_new_label();
+ TCGv_i64 fp0;
+
+ if (ft != 0) {
+ tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
+ fp0 = tcg_temp_new_i64();
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ gen_set_label(l1);
+ }
+ }
+ opn = "movn.d";
+ break;
+ case FOP(21, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_recip_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "recip.d";
+ break;
+ case FOP(22, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_rsqrt_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "rsqrt.d";
+ break;
+ case FOP(28, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_helper_float_recip2_d(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "recip2.d";
+ break;
+ case FOP(29, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_recip1_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "recip1.d";
+ break;
+ case FOP(30, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_rsqrt1_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "rsqrt1.d";
+ break;
+ case FOP(31, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_helper_float_rsqrt2_d(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "rsqrt2.d";
+ break;
+ case FOP(48, 17):
+ case FOP(49, 17):
+ case FOP(50, 17):
+ case FOP(51, 17):
+ case FOP(52, 17):
+ case FOP(53, 17):
+ case FOP(54, 17):
+ case FOP(55, 17):
+ case FOP(56, 17):
+ case FOP(57, 17):
+ case FOP(58, 17):
+ case FOP(59, 17):
+ case FOP(60, 17):
+ case FOP(61, 17):
+ case FOP(62, 17):
+ case FOP(63, 17):
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ if (ctx->opcode & (1 << 6)) {
+ check_cop1x(ctx);
+ check_cp1_registers(ctx, fs | ft);
+ gen_cmpabs_d(func-48, fp0, fp1, cc);
+ opn = condnames_abs[func-48];
+ } else {
+ check_cp1_registers(ctx, fs | ft);
+ gen_cmp_d(func-48, fp0, fp1, cc);
+ opn = condnames[func-48];
+ }
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ }
+ break;
+ case FOP(32, 17):
+ check_cp1_registers(ctx, fs);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp64, fs);
+ gen_helper_float_cvts_d(fp32, fp64);
+ tcg_temp_free_i64(fp64);
+ gen_store_fpr32(fp32, fd);
+ tcg_temp_free_i32(fp32);
+ }
+ opn = "cvt.s.d";
+ break;
+ case FOP(36, 17):
+ check_cp1_registers(ctx, fs);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp64, fs);
+ gen_helper_float_cvtw_d(fp32, fp64);
+ tcg_temp_free_i64(fp64);
+ gen_store_fpr32(fp32, fd);
+ tcg_temp_free_i32(fp32);
+ }
+ opn = "cvt.w.d";
+ break;
+ case FOP(37, 17):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_cvtl_d(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "cvt.l.d";
+ break;
+ case FOP(32, 20):
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_cvts_w(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "cvt.s.w";
+ break;
+ case FOP(33, 20):
+ check_cp1_registers(ctx, fd);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr32(fp32, fs);
+ gen_helper_float_cvtd_w(fp64, fp32);
+ tcg_temp_free_i32(fp32);
+ gen_store_fpr64(ctx, fp64, fd);
+ tcg_temp_free_i64(fp64);
+ }
+ opn = "cvt.d.w";
+ break;
+ case FOP(32, 21):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp32 = tcg_temp_new_i32();
+ TCGv_i64 fp64 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp64, fs);
+ gen_helper_float_cvts_l(fp32, fp64);
+ tcg_temp_free_i64(fp64);
+ gen_store_fpr32(fp32, fd);
+ tcg_temp_free_i32(fp32);
+ }
+ opn = "cvt.s.l";
+ break;
+ case FOP(33, 21):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_cvtd_l(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "cvt.d.l";
+ break;
+ case FOP(38, 20):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_cvtps_pw(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "cvt.ps.pw";
+ break;
+ case FOP(0, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_helper_float_add_ps(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "add.ps";
+ break;
+ case FOP(1, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_helper_float_sub_ps(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "sub.ps";
+ break;
+ case FOP(2, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_helper_float_mul_ps(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "mul.ps";
+ break;
+ case FOP(5, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_abs_ps(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "abs.ps";
+ break;
+ case FOP(6, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "mov.ps";
+ break;
+ case FOP(7, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_chs_ps(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "neg.ps";
+ break;
+ case FOP(17, 22):
+ check_cp1_64bitmode(ctx);
+ gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1);
+ opn = "movcf.ps";
+ break;
+ case FOP(18, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ int l1 = gen_new_label();
+ TCGv_i64 fp0;
+
+ if (ft != 0)
+ tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
+ fp0 = tcg_temp_new_i64();
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ gen_set_label(l1);
+ }
+ opn = "movz.ps";
+ break;
+ case FOP(19, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ int l1 = gen_new_label();
+ TCGv_i64 fp0;
+
+ if (ft != 0) {
+ tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
+ fp0 = tcg_temp_new_i64();
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ gen_set_label(l1);
+ }
+ }
+ opn = "movn.ps";
+ break;
+ case FOP(24, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, ft);
+ gen_load_fpr64(ctx, fp1, fs);
+ gen_helper_float_addr_ps(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "addr.ps";
+ break;
+ case FOP(26, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, ft);
+ gen_load_fpr64(ctx, fp1, fs);
+ gen_helper_float_mulr_ps(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "mulr.ps";
+ break;
+ case FOP(28, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, fd);
+ gen_helper_float_recip2_ps(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "recip2.ps";
+ break;
+ case FOP(29, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_recip1_ps(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "recip1.ps";
+ break;
+ case FOP(30, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_rsqrt1_ps(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "rsqrt1.ps";
+ break;
+ case FOP(31, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_helper_float_rsqrt2_ps(fp0, fp0, fp1);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "rsqrt2.ps";
+ break;
+ case FOP(32, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32h(fp0, fs);
+ gen_helper_float_cvts_pu(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "cvt.s.pu";
+ break;
+ case FOP(36, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_helper_float_cvtpw_ps(fp0, fp0);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "cvt.pw.ps";
+ break;
+ case FOP(40, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_helper_float_cvts_pl(fp0, fp0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "cvt.s.pl";
+ break;
+ case FOP(44, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_store_fpr32h(fp0, fd);
+ gen_store_fpr32(fp1, fd);
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ }
+ opn = "pll.ps";
+ break;
+ case FOP(45, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32h(fp1, ft);
+ gen_store_fpr32(fp1, fd);
+ gen_store_fpr32h(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ }
+ opn = "plu.ps";
+ break;
+ case FOP(46, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32h(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_store_fpr32(fp1, fd);
+ gen_store_fpr32h(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ }
+ opn = "pul.ps";
+ break;
+ case FOP(47, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+
+ gen_load_fpr32h(fp0, fs);
+ gen_load_fpr32h(fp1, ft);
+ gen_store_fpr32(fp1, fd);
+ gen_store_fpr32h(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ }
+ opn = "puu.ps";
+ break;
+ case FOP(48, 22):
+ case FOP(49, 22):
+ case FOP(50, 22):
+ case FOP(51, 22):
+ case FOP(52, 22):
+ case FOP(53, 22):
+ case FOP(54, 22):
+ case FOP(55, 22):
+ case FOP(56, 22):
+ case FOP(57, 22):
+ case FOP(58, 22):
+ case FOP(59, 22):
+ case FOP(60, 22):
+ case FOP(61, 22):
+ case FOP(62, 22):
+ case FOP(63, 22):
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ if (ctx->opcode & (1 << 6)) {
+ gen_cmpabs_ps(func-48, fp0, fp1, cc);
+ opn = condnames_abs[func-48];
+ } else {
+ gen_cmp_ps(func-48, fp0, fp1, cc);
+ opn = condnames[func-48];
+ }
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ }
+ break;
+ default:
+ MIPS_INVAL(opn);
+ generate_exception (ctx, EXCP_RI);
+ return;
+ }
+ switch (optype) {
+ case BINOP:
+ MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
+ break;
+ case CMPOP:
+ MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
+ break;
+ default:
+ MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
+ break;
+ }
+}
+
+/* Coprocessor 3 (FPU) */
+static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc,
+ int fd, int fs, int base, int index)
+{
+ const char *opn = "extended float load/store";
+ int store = 0;
+ TCGv t0 = tcg_temp_new();
+
+ if (base == 0) {
+ gen_load_gpr(t0, index);
+ } else if (index == 0) {
+ gen_load_gpr(t0, base);
+ } else {
+ gen_load_gpr(t0, index);
+ gen_op_addr_add(ctx, t0, cpu_gpr[base], t0);
+ }
+ /* Don't do NOP if destination is zero: we must perform the actual
+ memory access. */
+ save_cpu_state(ctx, 0);
+ switch (opc) {
+ case OPC_LWXC1:
+ check_cop1x(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+
+ tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx);
+ tcg_gen_trunc_tl_i32(fp0, t0);
+ gen_store_fpr32(fp0, fd);
+ tcg_temp_free_i32(fp0);
+ }
+ opn = "lwxc1";
+ break;
+ case OPC_LDXC1:
+ check_cop1x(ctx);
+ check_cp1_registers(ctx, fd);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "ldxc1";
+ break;
+ case OPC_LUXC1:
+ check_cp1_64bitmode(ctx);
+ tcg_gen_andi_tl(t0, t0, ~0x7);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
+ gen_store_fpr64(ctx, fp0, fd);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "luxc1";
+ break;
+ case OPC_SWXC1:
+ check_cop1x(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv t1 = tcg_temp_new();
+
+ gen_load_fpr32(fp0, fs);
+ tcg_gen_extu_i32_tl(t1, fp0);
+ tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free(t1);
+ }
+ opn = "swxc1";
+ store = 1;
+ break;
+ case OPC_SDXC1:
+ check_cop1x(ctx);
+ check_cp1_registers(ctx, fs);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "sdxc1";
+ store = 1;
+ break;
+ case OPC_SUXC1:
+ check_cp1_64bitmode(ctx);
+ tcg_gen_andi_tl(t0, t0, ~0x7);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
+ tcg_temp_free_i64(fp0);
+ }
+ opn = "suxc1";
+ store = 1;
+ break;
+ }
+ tcg_temp_free(t0);
+ MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
+ regnames[index], regnames[base]);
+}
+
+static void gen_flt3_arith (DisasContext *ctx, uint32_t opc,
+ int fd, int fr, int fs, int ft)
+{
+ const char *opn = "flt3_arith";
+
+ switch (opc) {
+ case OPC_ALNV_PS:
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv t0 = tcg_temp_local_new();
+ TCGv_i32 fp = tcg_temp_new_i32();
+ TCGv_i32 fph = tcg_temp_new_i32();
+ int l1 = gen_new_label();
+ int l2 = gen_new_label();
+
+ gen_load_gpr(t0, fr);
+ tcg_gen_andi_tl(t0, t0, 0x7);
+
+ tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
+ gen_load_fpr32(fp, fs);
+ gen_load_fpr32h(fph, fs);
+ gen_store_fpr32(fp, fd);
+ gen_store_fpr32h(fph, fd);
+ tcg_gen_br(l2);
+ gen_set_label(l1);
+ tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
+ tcg_temp_free(t0);
+#ifdef TARGET_WORDS_BIGENDIAN
+ gen_load_fpr32(fp, fs);
+ gen_load_fpr32h(fph, ft);
+ gen_store_fpr32h(fp, fd);
+ gen_store_fpr32(fph, fd);
+#else
+ gen_load_fpr32h(fph, fs);
+ gen_load_fpr32(fp, ft);
+ gen_store_fpr32(fph, fd);
+ gen_store_fpr32h(fp, fd);
+#endif
+ gen_set_label(l2);
+ tcg_temp_free_i32(fp);
+ tcg_temp_free_i32(fph);
+ }
+ opn = "alnv.ps";
+ break;
+ case OPC_MADD_S:
+ check_cop1x(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+ TCGv_i32 fp2 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_load_fpr32(fp2, fr);
+ gen_helper_float_muladd_s(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ gen_store_fpr32(fp2, fd);
+ tcg_temp_free_i32(fp2);
+ }
+ opn = "madd.s";
+ break;
+ case OPC_MADD_D:
+ check_cop1x(ctx);
+ check_cp1_registers(ctx, fd | fs | ft | fr);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+ TCGv_i64 fp2 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_load_fpr64(ctx, fp2, fr);
+ gen_helper_float_muladd_d(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp2, fd);
+ tcg_temp_free_i64(fp2);
+ }
+ opn = "madd.d";
+ break;
+ case OPC_MADD_PS:
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+ TCGv_i64 fp2 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_load_fpr64(ctx, fp2, fr);
+ gen_helper_float_muladd_ps(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp2, fd);
+ tcg_temp_free_i64(fp2);
+ }
+ opn = "madd.ps";
+ break;
+ case OPC_MSUB_S:
+ check_cop1x(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+ TCGv_i32 fp2 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_load_fpr32(fp2, fr);
+ gen_helper_float_mulsub_s(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ gen_store_fpr32(fp2, fd);
+ tcg_temp_free_i32(fp2);
+ }
+ opn = "msub.s";
+ break;
+ case OPC_MSUB_D:
+ check_cop1x(ctx);
+ check_cp1_registers(ctx, fd | fs | ft | fr);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+ TCGv_i64 fp2 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_load_fpr64(ctx, fp2, fr);
+ gen_helper_float_mulsub_d(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp2, fd);
+ tcg_temp_free_i64(fp2);
+ }
+ opn = "msub.d";
+ break;
+ case OPC_MSUB_PS:
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+ TCGv_i64 fp2 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_load_fpr64(ctx, fp2, fr);
+ gen_helper_float_mulsub_ps(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp2, fd);
+ tcg_temp_free_i64(fp2);
+ }
+ opn = "msub.ps";
+ break;
+ case OPC_NMADD_S:
+ check_cop1x(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+ TCGv_i32 fp2 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_load_fpr32(fp2, fr);
+ gen_helper_float_nmuladd_s(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ gen_store_fpr32(fp2, fd);
+ tcg_temp_free_i32(fp2);
+ }
+ opn = "nmadd.s";
+ break;
+ case OPC_NMADD_D:
+ check_cop1x(ctx);
+ check_cp1_registers(ctx, fd | fs | ft | fr);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+ TCGv_i64 fp2 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_load_fpr64(ctx, fp2, fr);
+ gen_helper_float_nmuladd_d(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp2, fd);
+ tcg_temp_free_i64(fp2);
+ }
+ opn = "nmadd.d";
+ break;
+ case OPC_NMADD_PS:
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+ TCGv_i64 fp2 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_load_fpr64(ctx, fp2, fr);
+ gen_helper_float_nmuladd_ps(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp2, fd);
+ tcg_temp_free_i64(fp2);
+ }
+ opn = "nmadd.ps";
+ break;
+ case OPC_NMSUB_S:
+ check_cop1x(ctx);
+ {
+ TCGv_i32 fp0 = tcg_temp_new_i32();
+ TCGv_i32 fp1 = tcg_temp_new_i32();
+ TCGv_i32 fp2 = tcg_temp_new_i32();
+
+ gen_load_fpr32(fp0, fs);
+ gen_load_fpr32(fp1, ft);
+ gen_load_fpr32(fp2, fr);
+ gen_helper_float_nmulsub_s(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i32(fp0);
+ tcg_temp_free_i32(fp1);
+ gen_store_fpr32(fp2, fd);
+ tcg_temp_free_i32(fp2);
+ }
+ opn = "nmsub.s";
+ break;
+ case OPC_NMSUB_D:
+ check_cop1x(ctx);
+ check_cp1_registers(ctx, fd | fs | ft | fr);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+ TCGv_i64 fp2 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_load_fpr64(ctx, fp2, fr);
+ gen_helper_float_nmulsub_d(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp2, fd);
+ tcg_temp_free_i64(fp2);
+ }
+ opn = "nmsub.d";
+ break;
+ case OPC_NMSUB_PS:
+ check_cp1_64bitmode(ctx);
+ {
+ TCGv_i64 fp0 = tcg_temp_new_i64();
+ TCGv_i64 fp1 = tcg_temp_new_i64();
+ TCGv_i64 fp2 = tcg_temp_new_i64();
+
+ gen_load_fpr64(ctx, fp0, fs);
+ gen_load_fpr64(ctx, fp1, ft);
+ gen_load_fpr64(ctx, fp2, fr);
+ gen_helper_float_nmulsub_ps(fp2, fp0, fp1, fp2);
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ gen_store_fpr64(ctx, fp2, fd);
+ tcg_temp_free_i64(fp2);
+ }
+ opn = "nmsub.ps";
+ break;
+ default:
+ MIPS_INVAL(opn);
+ generate_exception (ctx, EXCP_RI);
+ return;
+ }
+ MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
+ fregnames[fs], fregnames[ft]);
+}
+
+/* ISA extensions (ASEs) */
+/* MIPS16 extension to MIPS32 */
+/* SmartMIPS extension to MIPS32 */
+
+#if defined(TARGET_MIPS64)
+
+/* MDMX extension to MIPS64 */
+
+#endif
+
+static void decode_opc (CPUState *env, DisasContext *ctx)
+{
+ int32_t offset;
+ int rs, rt, rd, sa;
+ uint32_t op, op1, op2;
+ int16_t imm;
+
+ /* make sure instructions are on a word boundary */
+ if (ctx->pc & 0x3) {
+ env->CP0_BadVAddr = ctx->pc;
+ generate_exception(ctx, EXCP_AdEL);
+ return;
+ }
+
+ /* Handle blikely not taken case */
+ if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
+ int l1 = gen_new_label();
+
+ MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4);
+ tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
+ tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK);
+ gen_goto_tb(ctx, 1, ctx->pc + 4);
+ gen_set_label(l1);
+ }
+
+ if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)))
+ tcg_gen_debug_insn_start(ctx->pc);
+
+ op = MASK_OP_MAJOR(ctx->opcode);
+ rs = (ctx->opcode >> 21) & 0x1f;
+ rt = (ctx->opcode >> 16) & 0x1f;
+ rd = (ctx->opcode >> 11) & 0x1f;
+ sa = (ctx->opcode >> 6) & 0x1f;
+ imm = (int16_t)ctx->opcode;
+ switch (op) {
+ case OPC_SPECIAL:
+ op1 = MASK_SPECIAL(ctx->opcode);
+ switch (op1) {
+ case OPC_SLL: /* Shift with immediate */
+ case OPC_SRA:
+ case OPC_SRL:
+ gen_shift_imm(env, ctx, op1, rd, rt, sa);
+ break;
+ case OPC_MOVN: /* Conditional move */
+ case OPC_MOVZ:
+ check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
+ gen_cond_move(env, op1, rd, rs, rt);
+ break;
+ case OPC_ADD ... OPC_SUBU:
+ gen_arith(env, ctx, op1, rd, rs, rt);
+ break;
+ case OPC_SLLV: /* Shifts */
+ case OPC_SRLV:
+ case OPC_SRAV:
+ gen_shift(env, ctx, op1, rd, rs, rt);
+ break;
+ case OPC_SLT: /* Set on less than */
+ case OPC_SLTU:
+ gen_slt(env, op1, rd, rs, rt);
+ break;
+ case OPC_AND: /* Logic*/
+ case OPC_OR:
+ case OPC_NOR:
+ case OPC_XOR:
+ gen_logic(env, op1, rd, rs, rt);
+ break;
+ case OPC_MULT ... OPC_DIVU:
+ if (sa) {
+ check_insn(env, ctx, INSN_VR54XX);
+ op1 = MASK_MUL_VR54XX(ctx->opcode);
+ gen_mul_vr54xx(ctx, op1, rd, rs, rt);
+ } else
+ gen_muldiv(ctx, op1, rs, rt);
+ break;
+ case OPC_JR ... OPC_JALR:
+ gen_compute_branch(ctx, op1, rs, rd, sa);
+ return;
+ case OPC_TGE ... OPC_TEQ: /* Traps */
+ case OPC_TNE:
+ gen_trap(ctx, op1, rs, rt, -1);
+ break;
+ case OPC_MFHI: /* Move from HI/LO */
+ case OPC_MFLO:
+ gen_HILO(ctx, op1, rd);
+ break;
+ case OPC_MTHI:
+ case OPC_MTLO: /* Move to HI/LO */
+ gen_HILO(ctx, op1, rs);
+ break;
+ case OPC_PMON: /* Pmon entry point, also R4010 selsl */
+#ifdef MIPS_STRICT_STANDARD
+ MIPS_INVAL("PMON / selsl");
+ generate_exception(ctx, EXCP_RI);
+#else
+ gen_helper_0i(pmon, sa);
+#endif
+ break;
+ case OPC_SYSCALL:
+ generate_exception(ctx, EXCP_SYSCALL);
+ ctx->bstate = BS_STOP;
+ break;
+ case OPC_BREAK:
+ generate_exception(ctx, EXCP_BREAK);
+ break;
+ case OPC_SPIM:
+#ifdef MIPS_STRICT_STANDARD
+ MIPS_INVAL("SPIM");
+ generate_exception(ctx, EXCP_RI);
+#else
+ /* Implemented as RI exception for now. */
+ MIPS_INVAL("spim (unofficial)");
+ generate_exception(ctx, EXCP_RI);
+#endif
+ break;
+ case OPC_SYNC:
+ /* Treat as NOP. */
+ break;
+
+ case OPC_MOVCI:
+ check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
+ if (env->CP0_Config1 & (1 << CP0C1_FP)) {
+ check_cp1_enabled(ctx);
+ gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
+ (ctx->opcode >> 16) & 1);
+ } else {
+ generate_exception_err(ctx, EXCP_CpU, 1);
+ }
+ break;
+
+#if defined(TARGET_MIPS64)
+ /* MIPS64 specific opcodes */
+ case OPC_DSLL:
+ case OPC_DSRA:
+ case OPC_DSRL:
+ case OPC_DSLL32:
+ case OPC_DSRA32:
+ case OPC_DSRL32:
+ check_insn(env, ctx, ISA_MIPS3);
+ check_mips_64(ctx);
+ gen_shift_imm(env, ctx, op1, rd, rt, sa);
+ break;
+ case OPC_DADD ... OPC_DSUBU:
+ check_insn(env, ctx, ISA_MIPS3);
+ check_mips_64(ctx);
+ gen_arith(env, ctx, op1, rd, rs, rt);
+ break;
+ case OPC_DSLLV:
+ case OPC_DSRAV:
+ case OPC_DSRLV:
+ check_insn(env, ctx, ISA_MIPS3);
+ check_mips_64(ctx);
+ gen_shift(env, ctx, op1, rd, rs, rt);
+ break;
+ case OPC_DMULT ... OPC_DDIVU:
+ check_insn(env, ctx, ISA_MIPS3);
+ check_mips_64(ctx);
+ gen_muldiv(ctx, op1, rs, rt);
+ break;
+#endif
+ default: /* Invalid */
+ MIPS_INVAL("special");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+ case OPC_SPECIAL2:
+ op1 = MASK_SPECIAL2(ctx->opcode);
+ switch (op1) {
+ case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
+ case OPC_MSUB ... OPC_MSUBU:
+ check_insn(env, ctx, ISA_MIPS32);
+ gen_muldiv(ctx, op1, rs, rt);
+ break;
+ case OPC_MUL:
+ gen_arith(env, ctx, op1, rd, rs, rt);
+ break;
+ case OPC_CLO:
+ case OPC_CLZ:
+ check_insn(env, ctx, ISA_MIPS32);
+ gen_cl(ctx, op1, rd, rs);
+ break;
+ case OPC_SDBBP:
+ /* XXX: not clear which exception should be raised
+ * when in debug mode...
+ */
+ check_insn(env, ctx, ISA_MIPS32);
+ if (!(ctx->hflags & MIPS_HFLAG_DM)) {
+ generate_exception(ctx, EXCP_DBp);
+ } else {
+ generate_exception(ctx, EXCP_DBp);
+ }
+ /* Treat as NOP. */
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DCLO:
+ case OPC_DCLZ:
+ check_insn(env, ctx, ISA_MIPS64);
+ check_mips_64(ctx);
+ gen_cl(ctx, op1, rd, rs);
+ break;
+#endif
+ default: /* Invalid */
+ MIPS_INVAL("special2");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+ case OPC_SPECIAL3:
+ op1 = MASK_SPECIAL3(ctx->opcode);
+ switch (op1) {
+ case OPC_EXT:
+ case OPC_INS:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_bitops(ctx, op1, rt, rs, sa, rd);
+ break;
+ case OPC_BSHFL:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ op2 = MASK_BSHFL(ctx->opcode);
+ gen_bshfl(ctx, op2, rt, rd);
+ break;
+ case OPC_RDHWR:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ {
+ TCGv t0 = tcg_temp_new();
+
+ switch (rd) {
+ case 0:
+ save_cpu_state(ctx, 1);
+ gen_helper_rdhwr_cpunum(t0);
+ gen_store_gpr(t0, rt);
+ break;
+ case 1:
+ save_cpu_state(ctx, 1);
+ gen_helper_rdhwr_synci_step(t0);
+ gen_store_gpr(t0, rt);
+ break;
+ case 2:
+ save_cpu_state(ctx, 1);
+ gen_helper_rdhwr_cc(t0);
+ gen_store_gpr(t0, rt);
+ break;
+ case 3:
+ save_cpu_state(ctx, 1);
+ gen_helper_rdhwr_ccres(t0);
+ gen_store_gpr(t0, rt);
+ break;
+ case 29:
+#if defined(CONFIG_USER_ONLY)
+ tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value));
+ gen_store_gpr(t0, rt);
+ break;
+#else
+ /* XXX: Some CPUs implement this in hardware.
+ Not supported yet. */
+#endif
+ default: /* Invalid */
+ MIPS_INVAL("rdhwr");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ tcg_temp_free(t0);
+ }
+ break;
+ case OPC_FORK:
+ check_insn(env, ctx, ASE_MT);
+ {
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+
+ gen_load_gpr(t0, rt);
+ gen_load_gpr(t1, rs);
+ gen_helper_fork(t0, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+ }
+ break;
+ case OPC_YIELD:
+ check_insn(env, ctx, ASE_MT);
+ {
+ TCGv t0 = tcg_temp_new();
+
+ save_cpu_state(ctx, 1);
+ gen_load_gpr(t0, rs);
+ gen_helper_yield(t0, t0);
+ gen_store_gpr(t0, rd);
+ tcg_temp_free(t0);
+ }
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DEXTM ... OPC_DEXT:
+ case OPC_DINSM ... OPC_DINS:
+ check_insn(env, ctx, ISA_MIPS64R2);
+ check_mips_64(ctx);
+ gen_bitops(ctx, op1, rt, rs, sa, rd);
+ break;
+ case OPC_DBSHFL:
+ check_insn(env, ctx, ISA_MIPS64R2);
+ check_mips_64(ctx);
+ op2 = MASK_DBSHFL(ctx->opcode);
+ gen_bshfl(ctx, op2, rt, rd);
+ break;
+#endif
+ default: /* Invalid */
+ MIPS_INVAL("special3");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+ case OPC_REGIMM:
+ op1 = MASK_REGIMM(ctx->opcode);
+ switch (op1) {
+ case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
+ case OPC_BLTZAL ... OPC_BGEZALL:
+ gen_compute_branch(ctx, op1, rs, -1, imm << 2);
+ return;
+ case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
+ case OPC_TNEI:
+ gen_trap(ctx, op1, rs, -1, imm);
+ break;
+ case OPC_SYNCI:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ /* Treat as NOP. */
+ break;
+ default: /* Invalid */
+ MIPS_INVAL("regimm");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+ case OPC_CP0:
+ check_cp0_enabled(ctx);
+ op1 = MASK_CP0(ctx->opcode);
+ switch (op1) {
+ case OPC_MFC0:
+ case OPC_MTC0:
+ case OPC_MFTR:
+ case OPC_MTTR:
+#if defined(TARGET_MIPS64)
+ case OPC_DMFC0:
+ case OPC_DMTC0:
+#endif
+#ifndef CONFIG_USER_ONLY
+ gen_cp0(env, ctx, op1, rt, rd);
+#endif /* !CONFIG_USER_ONLY */
+ break;
+ case OPC_C0_FIRST ... OPC_C0_LAST:
+#ifndef CONFIG_USER_ONLY
+ gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
+#endif /* !CONFIG_USER_ONLY */
+ break;
+ case OPC_MFMC0:
+#ifndef CONFIG_USER_ONLY
+ {
+ TCGv t0 = tcg_temp_new();
+
+ op2 = MASK_MFMC0(ctx->opcode);
+ switch (op2) {
+ case OPC_DMT:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_dmt(t0, t0);
+ gen_store_gpr(t0, rt);
+ break;
+ case OPC_EMT:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_emt(t0, t0);
+ gen_store_gpr(t0, rt);
+ break;
+ case OPC_DVPE:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_dvpe(t0, t0);
+ gen_store_gpr(t0, rt);
+ break;
+ case OPC_EVPE:
+ check_insn(env, ctx, ASE_MT);
+ gen_helper_evpe(t0, t0);
+ gen_store_gpr(t0, rt);
+ break;
+ case OPC_DI:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ save_cpu_state(ctx, 1);
+ gen_helper_di(t0);
+ gen_store_gpr(t0, rt);
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ case OPC_EI:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ save_cpu_state(ctx, 1);
+ gen_helper_ei(t0);
+ gen_store_gpr(t0, rt);
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ default: /* Invalid */
+ MIPS_INVAL("mfmc0");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ tcg_temp_free(t0);
+ }
+#endif /* !CONFIG_USER_ONLY */
+ break;
+ case OPC_RDPGPR:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_load_srsgpr(rt, rd);
+ break;
+ case OPC_WRPGPR:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ gen_store_srsgpr(rt, rd);
+ break;
+ default:
+ MIPS_INVAL("cp0");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+ case OPC_ADDI: /* Arithmetic with immediate opcode */
+ case OPC_ADDIU:
+ gen_arith_imm(env, ctx, op, rt, rs, imm);
+ break;
+ case OPC_SLTI: /* Set on less than with immediate opcode */
+ case OPC_SLTIU:
+ gen_slt_imm(env, op, rt, rs, imm);
+ break;
+ case OPC_ANDI: /* Arithmetic with immediate opcode */
+ case OPC_LUI:
+ case OPC_ORI:
+ case OPC_XORI:
+ gen_logic_imm(env, op, rt, rs, imm);
+ break;
+ case OPC_J ... OPC_JAL: /* Jump */
+ offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
+ gen_compute_branch(ctx, op, rs, rt, offset);
+ return;
+ case OPC_BEQ ... OPC_BGTZ: /* Branch */
+ case OPC_BEQL ... OPC_BGTZL:
+ gen_compute_branch(ctx, op, rs, rt, imm << 2);
+ return;
+ case OPC_LB ... OPC_LWR: /* Load and stores */
+ case OPC_SB ... OPC_SW:
+ case OPC_SWR:
+ case OPC_LL:
+ gen_ldst(ctx, op, rt, rs, imm);
+ break;
+ case OPC_SC:
+ gen_st_cond(ctx, op, rt, rs, imm);
+ break;
+ case OPC_CACHE:
+ check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
+ /* Treat as NOP. */
+ break;
+ case OPC_PREF:
+ check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
+ /* Treat as NOP. */
+ break;
+
+ /* Floating point (COP1). */
+ case OPC_LWC1:
+ case OPC_LDC1:
+ case OPC_SWC1:
+ case OPC_SDC1:
+ if (env->CP0_Config1 & (1 << CP0C1_FP)) {
+ check_cp1_enabled(ctx);
+ gen_flt_ldst(ctx, op, rt, rs, imm);
+ } else {
+ generate_exception_err(ctx, EXCP_CpU, 1);
+ }
+ break;
+
+ case OPC_CP1:
+ if (env->CP0_Config1 & (1 << CP0C1_FP)) {
+ check_cp1_enabled(ctx);
+ op1 = MASK_CP1(ctx->opcode);
+ switch (op1) {
+ case OPC_MFHC1:
+ case OPC_MTHC1:
+ check_insn(env, ctx, ISA_MIPS32R2);
+ case OPC_MFC1:
+ case OPC_CFC1:
+ case OPC_MTC1:
+ case OPC_CTC1:
+ gen_cp1(ctx, op1, rt, rd);
+ break;
+#if defined(TARGET_MIPS64)
+ case OPC_DMFC1:
+ case OPC_DMTC1:
+ check_insn(env, ctx, ISA_MIPS3);
+ gen_cp1(ctx, op1, rt, rd);
+ break;
+#endif
+ case OPC_BC1ANY2:
+ case OPC_BC1ANY4:
+ check_cop1x(ctx);
+ check_insn(env, ctx, ASE_MIPS3D);
+ /* fall through */
+ case OPC_BC1:
+ gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode),
+ (rt >> 2) & 0x7, imm << 2);
+ return;
+ case OPC_S_FMT:
+ case OPC_D_FMT:
+ case OPC_W_FMT:
+ case OPC_L_FMT:
+ case OPC_PS_FMT:
+ gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa,
+ (imm >> 8) & 0x7);
+ break;
+ default:
+ MIPS_INVAL("cp1");
+ generate_exception (ctx, EXCP_RI);
+ break;
+ }
+ } else {
+ generate_exception_err(ctx, EXCP_CpU, 1);
+ }
+ break;
+
+ /* COP2. */
+ case OPC_LWC2:
+ case OPC_LDC2:
+ case OPC_SWC2:
+ case OPC_SDC2:
+ case OPC_CP2:
+ /* COP2: Not implemented. */
+ generate_exception_err(ctx, EXCP_CpU, 2);
+ break;
+
+ case OPC_CP3:
+ if (env->CP0_Config1 & (1 << CP0C1_FP)) {
+ check_cp1_enabled(ctx);
+ op1 = MASK_CP3(ctx->opcode);
+ switch (op1) {
+ case OPC_LWXC1:
+ case OPC_LDXC1:
+ case OPC_LUXC1:
+ case OPC_SWXC1:
+ case OPC_SDXC1:
+ case OPC_SUXC1:
+ gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
+ break;
+ case OPC_PREFX:
+ /* Treat as NOP. */
+ break;
+ case OPC_ALNV_PS:
+ case OPC_MADD_S:
+ case OPC_MADD_D:
+ case OPC_MADD_PS:
+ case OPC_MSUB_S:
+ case OPC_MSUB_D:
+ case OPC_MSUB_PS:
+ case OPC_NMADD_S:
+ case OPC_NMADD_D:
+ case OPC_NMADD_PS:
+ case OPC_NMSUB_S:
+ case OPC_NMSUB_D:
+ case OPC_NMSUB_PS:
+ gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
+ break;
+ default:
+ MIPS_INVAL("cp3");
+ generate_exception (ctx, EXCP_RI);
+ break;
+ }
+ } else {
+ generate_exception_err(ctx, EXCP_CpU, 1);
+ }
+ break;
+
+#if defined(TARGET_MIPS64)
+ /* MIPS64 opcodes */
+ case OPC_LWU:
+ case OPC_LDL ... OPC_LDR:
+ case OPC_SDL ... OPC_SDR:
+ case OPC_LLD:
+ case OPC_LD:
+ case OPC_SD:
+ check_insn(env, ctx, ISA_MIPS3);
+ check_mips_64(ctx);
+ gen_ldst(ctx, op, rt, rs, imm);
+ break;
+ case OPC_SCD:
+ check_insn(env, ctx, ISA_MIPS3);
+ check_mips_64(ctx);
+ gen_st_cond(ctx, op, rt, rs, imm);
+ break;
+ case OPC_DADDI:
+ case OPC_DADDIU:
+ check_insn(env, ctx, ISA_MIPS3);
+ check_mips_64(ctx);
+ gen_arith_imm(env, ctx, op, rt, rs, imm);
+ break;
+#endif
+ case OPC_JALX:
+ check_insn(env, ctx, ASE_MIPS16);
+ /* MIPS16: Not implemented. */
+ case OPC_MDMX:
+ check_insn(env, ctx, ASE_MDMX);
+ /* MDMX: Not implemented. */
+ default: /* Invalid */
+ MIPS_INVAL("major opcode");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ if (ctx->hflags & MIPS_HFLAG_BMASK) {
+ int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
+ /* Branches completion */
+ ctx->hflags &= ~MIPS_HFLAG_BMASK;
+ ctx->bstate = BS_BRANCH;
+ save_cpu_state(ctx, 0);
+ /* FIXME: Need to clear can_do_io. */
+ switch (hflags) {
+ case MIPS_HFLAG_B:
+ /* unconditional branch */
+ MIPS_DEBUG("unconditional branch");
+ gen_goto_tb(ctx, 0, ctx->btarget);
+ break;
+ case MIPS_HFLAG_BL:
+ /* blikely taken case */
+ MIPS_DEBUG("blikely branch taken");
+ gen_goto_tb(ctx, 0, ctx->btarget);
+ break;
+ case MIPS_HFLAG_BC:
+ /* Conditional branch */
+ MIPS_DEBUG("conditional branch");
+ {
+ int l1 = gen_new_label();
+
+ tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
+ gen_goto_tb(ctx, 1, ctx->pc + 4);
+ gen_set_label(l1);
+ gen_goto_tb(ctx, 0, ctx->btarget);
+ }
+ break;
+ case MIPS_HFLAG_BR:
+ /* unconditional branch to register */
+ MIPS_DEBUG("branch to register");
+ tcg_gen_mov_tl(cpu_PC, btarget);
+ if (ctx->singlestep_enabled) {
+ save_cpu_state(ctx, 0);
+ gen_helper_0i(raise_exception, EXCP_DEBUG);
+ }
+ tcg_gen_exit_tb(0);
+ break;
+ default:
+ MIPS_DEBUG("unknown branch");
+ break;
+ }
+ }
+}
+
+static inline void
+gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
+ int search_pc)
+{
+ DisasContext ctx;
+ target_ulong pc_start;
+ uint16_t *gen_opc_end;
+ CPUBreakpoint *bp;
+ int j, lj = -1;
+ int num_insns;
+ int max_insns;
+
+ if (search_pc)
+ qemu_log("search pc %d\n", search_pc);
+
+ pc_start = tb->pc;
+ gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+ ctx.pc = pc_start;
+ ctx.saved_pc = -1;
+ ctx.singlestep_enabled = env->singlestep_enabled;
+ ctx.tb = tb;
+ ctx.bstate = BS_NONE;
+ /* Restore delay slot state from the tb context. */
+ ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
+ restore_cpu_state(env, &ctx);
+#ifdef CONFIG_USER_ONLY
+ ctx.mem_idx = MIPS_HFLAG_UM;
+#else
+ ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU;
+#endif
+ num_insns = 0;
+ max_insns = tb->cflags & CF_COUNT_MASK;
+ if (max_insns == 0)
+ max_insns = CF_COUNT_MASK;
+#ifdef DEBUG_DISAS
+ qemu_log_mask(CPU_LOG_TB_CPU, "------------------------------------------------\n");
+ /* FIXME: This may print out stale hflags from env... */
+ log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
+#endif
+ LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
+ gen_icount_start();
+ while (ctx.bstate == BS_NONE) {
+ if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
+ QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
+ if (bp->pc == ctx.pc) {
+ save_cpu_state(&ctx, 1);
+ ctx.bstate = BS_BRANCH;
+ gen_helper_0i(raise_exception, EXCP_DEBUG);
+ /* Include the breakpoint location or the tb won't
+ * be flushed when it must be. */
+ ctx.pc += 4;
+ goto done_generating;
+ }
+ }
+ }
+
+ if (search_pc) {
+ j = gen_opc_ptr - gen_opc_buf;
+ if (lj < j) {
+ lj++;
+ while (lj < j)
+ gen_opc_instr_start[lj++] = 0;
+ }
+ gen_opc_pc[lj] = ctx.pc;
+ gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK;
+ gen_opc_instr_start[lj] = 1;
+ gen_opc_icount[lj] = num_insns;
+ }
+ if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
+ gen_io_start();
+ ctx.opcode = ldl_code(ctx.pc);
+ decode_opc(env, &ctx);
+ ctx.pc += 4;
+ num_insns++;
+
+ /* Execute a branch and its delay slot as a single instruction.
+ This is what GDB expects and is consistent with what the
+ hardware does (e.g. if a delay slot instruction faults, the
+ reported PC is the PC of the branch). */
+ if (env->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0)
+ break;
+
+ if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
+ break;
+
+ if (gen_opc_ptr >= gen_opc_end)
+ break;
+
+ if (num_insns >= max_insns)
+ break;
+
+ if (singlestep)
+ break;
+ }
+ if (tb->cflags & CF_LAST_IO)
+ gen_io_end();
+ if (env->singlestep_enabled && ctx.bstate != BS_BRANCH) {
+ save_cpu_state(&ctx, ctx.bstate == BS_NONE);
+ gen_helper_0i(raise_exception, EXCP_DEBUG);
+ } else {
+ switch (ctx.bstate) {
+ case BS_STOP:
+ gen_helper_interrupt_restart();
+ gen_goto_tb(&ctx, 0, ctx.pc);
+ break;
+ case BS_NONE:
+ save_cpu_state(&ctx, 0);
+ gen_goto_tb(&ctx, 0, ctx.pc);
+ break;
+ case BS_EXCP:
+ gen_helper_interrupt_restart();
+ tcg_gen_exit_tb(0);
+ break;
+ case BS_BRANCH:
+ default:
+ break;
+ }
+ }
+done_generating:
+ gen_icount_end(tb, num_insns);
+ *gen_opc_ptr = INDEX_op_end;
+ if (search_pc) {
+ j = gen_opc_ptr - gen_opc_buf;
+ lj++;
+ while (lj <= j)
+ gen_opc_instr_start[lj++] = 0;
+ } else {
+ tb->size = ctx.pc - pc_start;
+ tb->icount = num_insns;
+ }
+#ifdef DEBUG_DISAS
+ LOG_DISAS("\n");
+ if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
+ qemu_log("IN: %s\n", lookup_symbol(pc_start));
+ log_target_disas(pc_start, ctx.pc - pc_start, 0);
+ qemu_log("\n");
+ }
+ qemu_log_mask(CPU_LOG_TB_CPU, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
+#endif
+}
+
+void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
+{
+ gen_intermediate_code_internal(env, tb, 0);
+}
+
+void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
+{
+ gen_intermediate_code_internal(env, tb, 1);
+}
+
+static void fpu_dump_state(CPUState *env, FILE *f,
+ int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
+ int flags)
+{
+ int i;
+ int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
+
+#define printfpr(fp) \
+ do { \
+ if (is_fpu64) \
+ fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
+ (fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \
+ (fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \
+ else { \
+ fpr_t tmp; \
+ tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \
+ tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
+ fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
+ tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \
+ tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \
+ } \
+ } while(0)
+
+
+ fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
+ env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64, env->active_fpu.fp_status,
+ get_float_exception_flags(&env->active_fpu.fp_status));
+ for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) {
+ fpu_fprintf(f, "%3s: ", fregnames[i]);
+ printfpr(&env->active_fpu.fpr[i]);
+ }
+
+#undef printfpr
+}
+
+#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
+/* Debug help: The architecture requires 32bit code to maintain proper
+ sign-extended values on 64bit machines. */
+
+#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
+
+static void
+cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
+ int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
+ int flags)
+{
+ int i;
+
+ if (!SIGN_EXT_P(env->active_tc.PC))
+ cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC);
+ if (!SIGN_EXT_P(env->active_tc.HI[0]))
+ cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]);
+ if (!SIGN_EXT_P(env->active_tc.LO[0]))
+ cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[0]);
+ if (!SIGN_EXT_P(env->btarget))
+ cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget);
+
+ for (i = 0; i < 32; i++) {
+ if (!SIGN_EXT_P(env->active_tc.gpr[i]))
+ cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[i]);
+ }
+
+ if (!SIGN_EXT_P(env->CP0_EPC))
+ cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC);
+ if (!SIGN_EXT_P(env->lladdr))
+ cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->lladdr);
+}
+#endif
+
+void cpu_dump_state (CPUState *env, FILE *f,
+ int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
+ int flags)
+{
+ int i;
+
+ cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n",
+ env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0],
+ env->hflags, env->btarget, env->bcond);
+ for (i = 0; i < 32; i++) {
+ if ((i & 3) == 0)
+ cpu_fprintf(f, "GPR%02d:", i);
+ cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]);
+ if ((i & 3) == 3)
+ cpu_fprintf(f, "\n");
+ }
+
+ cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
+ env->CP0_Status, env->CP0_Cause, env->CP0_EPC);
+ cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n",
+ env->CP0_Config0, env->CP0_Config1, env->lladdr);
+ if (env->hflags & MIPS_HFLAG_FPU)
+ fpu_dump_state(env, f, cpu_fprintf, flags);
+#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
+ cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
+#endif
+}
+
+static void mips_tcg_init(void)
+{
+ int i;
+ static int inited;
+
+ /* Initialize various static tables. */
+ if (inited)
+ return;
+
+ cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
+ TCGV_UNUSED(cpu_gpr[0]);
+ for (i = 1; i < 32; i++)
+ cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0,
+ offsetof(CPUState, active_tc.gpr[i]),
+ regnames[i]);
+ cpu_PC = tcg_global_mem_new(TCG_AREG0,
+ offsetof(CPUState, active_tc.PC), "PC");
+ for (i = 0; i < MIPS_DSP_ACC; i++) {
+ cpu_HI[i] = tcg_global_mem_new(TCG_AREG0,
+ offsetof(CPUState, active_tc.HI[i]),
+ regnames_HI[i]);
+ cpu_LO[i] = tcg_global_mem_new(TCG_AREG0,
+ offsetof(CPUState, active_tc.LO[i]),
+ regnames_LO[i]);
+ cpu_ACX[i] = tcg_global_mem_new(TCG_AREG0,
+ offsetof(CPUState, active_tc.ACX[i]),
+ regnames_ACX[i]);
+ }
+ cpu_dspctrl = tcg_global_mem_new(TCG_AREG0,
+ offsetof(CPUState, active_tc.DSPControl),
+ "DSPControl");
+ bcond = tcg_global_mem_new(TCG_AREG0,
+ offsetof(CPUState, bcond), "bcond");
+ btarget = tcg_global_mem_new(TCG_AREG0,
+ offsetof(CPUState, btarget), "btarget");
+ hflags = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, hflags), "hflags");
+
+ fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, active_fpu.fcr0),
+ "fcr0");
+ fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, active_fpu.fcr31),
+ "fcr31");
+
+ /* register helpers */
+#define GEN_HELPER 2
+#include "helper.h"
+
+ inited = 1;
+}
+
+#include "translate_init.c"
+
+CPUMIPSState *cpu_mips_init (const char *cpu_model)
+{
+ CPUMIPSState *env;
+ const mips_def_t *def;
+
+ def = cpu_mips_find_by_name(cpu_model);
+ if (!def)
+ return NULL;
+ env = qemu_mallocz(sizeof(CPUMIPSState));
+ env->cpu_model = def;
+ env->cpu_model_str = cpu_model;
+
+ cpu_exec_init(env);
+#ifndef CONFIG_USER_ONLY
+ mmu_init(env, def);
+#endif
+ mvp_init(env, def);
+ mips_tcg_init();
+ cpu_reset(env);
+ qemu_init_vcpu(env);
+ return env;
+}
+
+void cpu_reset (CPUMIPSState *env)
+{
+ if (qemu_loglevel_mask(CPU_LOG_RESET)) {
+ qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
+ log_cpu_state(env, 0);
+ }
+
+ memset(env, 0, offsetof(CPUMIPSState, breakpoints));
+ tlb_flush(env, 1);
+
+ /* Reset registers to their default values */
+ env->CP0_PRid = env->cpu_model->CP0_PRid;
+ env->CP0_Config0 = env->cpu_model->CP0_Config0;
+#ifdef TARGET_WORDS_BIGENDIAN
+ env->CP0_Config0 |= (1 << CP0C0_BE);
+#endif
+ env->CP0_Config1 = env->cpu_model->CP0_Config1;
+ env->CP0_Config2 = env->cpu_model->CP0_Config2;
+ env->CP0_Config3 = env->cpu_model->CP0_Config3;
+ env->CP0_Config6 = env->cpu_model->CP0_Config6;
+ env->CP0_Config7 = env->cpu_model->CP0_Config7;
+ env->CP0_LLAddr_rw_bitmask = env->cpu_model->CP0_LLAddr_rw_bitmask
+ << env->cpu_model->CP0_LLAddr_shift;
+ env->CP0_LLAddr_shift = env->cpu_model->CP0_LLAddr_shift;
+ env->SYNCI_Step = env->cpu_model->SYNCI_Step;
+ env->CCRes = env->cpu_model->CCRes;
+ env->CP0_Status_rw_bitmask = env->cpu_model->CP0_Status_rw_bitmask;
+ env->CP0_TCStatus_rw_bitmask = env->cpu_model->CP0_TCStatus_rw_bitmask;
+ env->CP0_SRSCtl = env->cpu_model->CP0_SRSCtl;
+ env->current_tc = 0;
+ env->SEGBITS = env->cpu_model->SEGBITS;
+ env->SEGMask = (target_ulong)((1ULL << env->cpu_model->SEGBITS) - 1);
+#if defined(TARGET_MIPS64)
+ if (env->cpu_model->insn_flags & ISA_MIPS3) {
+ env->SEGMask |= 3ULL << 62;
+ }
+#endif
+ env->PABITS = env->cpu_model->PABITS;
+ env->PAMask = (target_ulong)((1ULL << env->cpu_model->PABITS) - 1);
+ env->CP0_SRSConf0_rw_bitmask = env->cpu_model->CP0_SRSConf0_rw_bitmask;
+ env->CP0_SRSConf0 = env->cpu_model->CP0_SRSConf0;
+ env->CP0_SRSConf1_rw_bitmask = env->cpu_model->CP0_SRSConf1_rw_bitmask;
+ env->CP0_SRSConf1 = env->cpu_model->CP0_SRSConf1;
+ env->CP0_SRSConf2_rw_bitmask = env->cpu_model->CP0_SRSConf2_rw_bitmask;
+ env->CP0_SRSConf2 = env->cpu_model->CP0_SRSConf2;
+ env->CP0_SRSConf3_rw_bitmask = env->cpu_model->CP0_SRSConf3_rw_bitmask;
+ env->CP0_SRSConf3 = env->cpu_model->CP0_SRSConf3;
+ env->CP0_SRSConf4_rw_bitmask = env->cpu_model->CP0_SRSConf4_rw_bitmask;
+ env->CP0_SRSConf4 = env->cpu_model->CP0_SRSConf4;
+ env->insn_flags = env->cpu_model->insn_flags;
+
+ fpu_init(env, env->cpu_model);
+
+#if defined(CONFIG_USER_ONLY)
+ env->hflags = MIPS_HFLAG_UM;
+ /* Enable access to the SYNCI_Step register. */
+ env->CP0_HWREna |= (1 << 1);
+ if (env->CP0_Config1 & (1 << CP0C1_FP)) {
+ env->hflags |= MIPS_HFLAG_FPU;
+ }
+#ifdef TARGET_MIPS64
+ if (env->active_fpu.fcr0 & (1 << FCR0_F64)) {
+ env->hflags |= MIPS_HFLAG_F64;
+ }
+#endif
+#else
+ if (env->hflags & MIPS_HFLAG_BMASK) {
+ /* If the exception was raised from a delay slot,
+ come back to the jump. */
+ env->CP0_ErrorEPC = env->active_tc.PC - 4;
+ } else {
+ env->CP0_ErrorEPC = env->active_tc.PC;
+ }
+ env->active_tc.PC = (int32_t)0xBFC00000;
+ env->CP0_Random = env->tlb->nb_tlb - 1;
+ env->tlb->tlb_in_use = env->tlb->nb_tlb;
+ env->CP0_Wired = 0;
+ /* SMP not implemented */
+ env->CP0_EBase = 0x80000000;
+ env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
+ /* vectored interrupts not implemented, timer on int 7,
+ no performance counters. */
+ env->CP0_IntCtl = 0xe0000000;
+ {
+ int i;
+
+ for (i = 0; i < 7; i++) {
+ env->CP0_WatchLo[i] = 0;
+ env->CP0_WatchHi[i] = 0x80000000;
+ }
+ env->CP0_WatchLo[7] = 0;
+ env->CP0_WatchHi[7] = 0;
+ }
+ /* Count register increments in debug mode, EJTAG version 1 */
+ env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
+ env->hflags = MIPS_HFLAG_CP0;
+#endif
+#if defined(TARGET_MIPS64)
+ if (env->cpu_model->insn_flags & ISA_MIPS3) {
+ env->hflags |= MIPS_HFLAG_64;
+ }
+#endif
+ env->exception_index = EXCP_NONE;
+}
+
+void gen_pc_load(CPUState *env, TranslationBlock *tb,
+ unsigned long searched_pc, int pc_pos, void *puc)
+{
+ env->active_tc.PC = gen_opc_pc[pc_pos];
+ env->hflags &= ~MIPS_HFLAG_BMASK;
+ env->hflags |= gen_opc_hflags[pc_pos];
+}
generated by cgit v1.1 at 2024-05-15 20:54:04 +0000