[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>

1 files changed, 554 insertions, 0 deletions

diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
new file mode 100644
index 0000000..3978908
--- /dev/null
+++ b/target-mips/translate_init.c
@@ -0,0 +1,554 @@
+/*
+ *  MIPS emulation for qemu: CPU initialisation routines.
+ *
+ *  Copyright (c) 2004-2005 Jocelyn Mayer
+ *  Copyright (c) 2007 Herve Poussineau
+ *
+ * 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/>.
+ */
+
+/* CPU / CPU family specific config register values. */
+
+/* Have config1, uncached coherency */
+#define MIPS_CONFIG0                                              \
+  ((1 << CP0C0_M) | (0x2 << CP0C0_K0))
+
+/* Have config2, no coprocessor2 attached, no MDMX support attached,
+   no performance counters, watch registers present,
+   no code compression, EJTAG present, no FPU */
+#define MIPS_CONFIG1                                              \
+((1 << CP0C1_M) |                                                 \
+ (0 << CP0C1_C2) | (0 << CP0C1_MD) | (0 << CP0C1_PC) |            \
+ (1 << CP0C1_WR) | (0 << CP0C1_CA) | (1 << CP0C1_EP) |            \
+ (0 << CP0C1_FP))
+
+/* Have config3, no tertiary/secondary caches implemented */
+#define MIPS_CONFIG2                                              \
+((1 << CP0C2_M))
+
+/* No config4, no DSP ASE, no large physaddr (PABITS),
+   no external interrupt controller, no vectored interupts,
+   no 1kb pages, no SmartMIPS ASE, no trace logic */
+#define MIPS_CONFIG3                                              \
+((0 << CP0C3_M) | (0 << CP0C3_DSPP) | (0 << CP0C3_LPA) |          \
+ (0 << CP0C3_VEIC) | (0 << CP0C3_VInt) | (0 << CP0C3_SP) |        \
+ (0 << CP0C3_SM) | (0 << CP0C3_TL))
+
+/* Define a implementation number of 1.
+   Define a major version 1, minor version 0. */
+#define MIPS_FCR0 ((0 << FCR0_S) | (0x1 << FCR0_PRID) | (0x10 << FCR0_REV))
+
+/* MMU types, the first four entries have the same layout as the
+   CP0C0_MT field.  */
+enum mips_mmu_types {
+    MMU_TYPE_NONE,
+    MMU_TYPE_R4000,
+    MMU_TYPE_RESERVED,
+    MMU_TYPE_FMT,
+    MMU_TYPE_R3000,
+    MMU_TYPE_R6000,
+    MMU_TYPE_R8000
+};
+
+struct mips_def_t {
+    const char *name;
+    int32_t CP0_PRid;
+    int32_t CP0_Config0;
+    int32_t CP0_Config1;
+    int32_t CP0_Config2;
+    int32_t CP0_Config3;
+    int32_t CP0_Config6;
+    int32_t CP0_Config7;
+    target_ulong CP0_LLAddr_rw_bitmask;
+    int CP0_LLAddr_shift;
+    int32_t SYNCI_Step;
+    int32_t CCRes;
+    int32_t CP0_Status_rw_bitmask;
+    int32_t CP0_TCStatus_rw_bitmask;
+    int32_t CP0_SRSCtl;
+    int32_t CP1_fcr0;
+    int32_t SEGBITS;
+    int32_t PABITS;
+    int32_t CP0_SRSConf0_rw_bitmask;
+    int32_t CP0_SRSConf0;
+    int32_t CP0_SRSConf1_rw_bitmask;
+    int32_t CP0_SRSConf1;
+    int32_t CP0_SRSConf2_rw_bitmask;
+    int32_t CP0_SRSConf2;
+    int32_t CP0_SRSConf3_rw_bitmask;
+    int32_t CP0_SRSConf3;
+    int32_t CP0_SRSConf4_rw_bitmask;
+    int32_t CP0_SRSConf4;
+    int insn_flags;
+    enum mips_mmu_types mmu_type;
+};
+
+/*****************************************************************************/
+/* MIPS CPU definitions */
+static const mips_def_t mips_defs[] =
+{
+    {
+        .name = "4Kc",
+        .CP0_PRid = 0x00018000,
+        .CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU) |
+                       (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3,
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x1278FF17,
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32 | ASE_MIPS16,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
+        .name = "4Km",
+        .CP0_PRid = 0x00018300,
+        /* Config1 implemented, fixed mapping MMU,
+           no virtual icache, uncached coherency. */
+        .CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_FMT << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 |
+                       (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3,
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x1258FF17,
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32 | ASE_MIPS16,
+        .mmu_type = MMU_TYPE_FMT,
+    },
+    {
+        .name = "4KEcR1",
+        .CP0_PRid = 0x00018400,
+        .CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU) |
+                       (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3,
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x1278FF17,
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32 | ASE_MIPS16,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
+        .name = "4KEmR1",
+        .CP0_PRid = 0x00018500,
+        .CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_FMT << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 |
+                       (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3,
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x1258FF17,
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32 | ASE_MIPS16,
+        .mmu_type = MMU_TYPE_FMT,
+    },
+    {
+        .name = "4KEc",
+        .CP0_PRid = 0x00019000,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
+                    (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU) |
+                       (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt),
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x1278FF17,
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
+        .name = "4KEm",
+        .CP0_PRid = 0x00019100,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
+                       (MMU_TYPE_FMT << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 |
+                       (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3,
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x1258FF17,
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
+        .mmu_type = MMU_TYPE_FMT,
+    },
+    {
+        .name = "24Kc",
+        .CP0_PRid = 0x00019300,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
+                       (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU) |
+                       (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt),
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        /* No DSP implemented. */
+        .CP0_Status_rw_bitmask = 0x1278FF1F,
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
+        .name = "24Kf",
+        .CP0_PRid = 0x00019300,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
+                    (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (15 << CP0C1_MMU) |
+                       (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt),
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        /* No DSP implemented. */
+        .CP0_Status_rw_bitmask = 0x3678FF1F,
+        .CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
+                    (1 << FCR0_D) | (1 << FCR0_S) | (0x93 << FCR0_PRID),
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
+        .name = "34Kf",
+        .CP0_PRid = 0x00019500,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
+                       (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (15 << CP0C1_MMU) |
+                       (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt) | (1 << CP0C3_MT),
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 0,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        /* No DSP implemented. */
+        .CP0_Status_rw_bitmask = 0x3678FF1F,
+        /* No DSP implemented. */
+        .CP0_TCStatus_rw_bitmask = (0 << CP0TCSt_TCU3) | (0 << CP0TCSt_TCU2) |
+                    (1 << CP0TCSt_TCU1) | (1 << CP0TCSt_TCU0) |
+                    (0 << CP0TCSt_TMX) | (1 << CP0TCSt_DT) |
+                    (1 << CP0TCSt_DA) | (1 << CP0TCSt_A) |
+                    (0x3 << CP0TCSt_TKSU) | (1 << CP0TCSt_IXMT) |
+                    (0xff << CP0TCSt_TASID),
+        .CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
+                    (1 << FCR0_D) | (1 << FCR0_S) | (0x95 << FCR0_PRID),
+        .CP0_SRSCtl = (0xf << CP0SRSCtl_HSS),
+        .CP0_SRSConf0_rw_bitmask = 0x3fffffff,
+        .CP0_SRSConf0 = (1 << CP0SRSC0_M) | (0x3fe << CP0SRSC0_SRS3) |
+                    (0x3fe << CP0SRSC0_SRS2) | (0x3fe << CP0SRSC0_SRS1),
+        .CP0_SRSConf1_rw_bitmask = 0x3fffffff,
+        .CP0_SRSConf1 = (1 << CP0SRSC1_M) | (0x3fe << CP0SRSC1_SRS6) |
+                    (0x3fe << CP0SRSC1_SRS5) | (0x3fe << CP0SRSC1_SRS4),
+        .CP0_SRSConf2_rw_bitmask = 0x3fffffff,
+        .CP0_SRSConf2 = (1 << CP0SRSC2_M) | (0x3fe << CP0SRSC2_SRS9) |
+                    (0x3fe << CP0SRSC2_SRS8) | (0x3fe << CP0SRSC2_SRS7),
+        .CP0_SRSConf3_rw_bitmask = 0x3fffffff,
+        .CP0_SRSConf3 = (1 << CP0SRSC3_M) | (0x3fe << CP0SRSC3_SRS12) |
+                    (0x3fe << CP0SRSC3_SRS11) | (0x3fe << CP0SRSC3_SRS10),
+        .CP0_SRSConf4_rw_bitmask = 0x3fffffff,
+        .CP0_SRSConf4 = (0x3fe << CP0SRSC4_SRS15) |
+                    (0x3fe << CP0SRSC4_SRS14) | (0x3fe << CP0SRSC4_SRS13),
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_MT,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+#if defined(TARGET_MIPS64)
+    {
+        .name = "R4000",
+        .CP0_PRid = 0x00000400,
+        /* No L2 cache, icache size 8k, dcache size 8k, uncached coherency. */
+        .CP0_Config0 = (1 << 17) | (0x1 << 9) | (0x1 << 6) | (0x2 << CP0C0_K0),
+        /* Note: Config1 is only used internally, the R4000 has only Config0. */
+        .CP0_Config1 = (1 << CP0C1_FP) | (47 << CP0C1_MMU),
+        .CP0_LLAddr_rw_bitmask = 0xFFFFFFFF,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 16,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x3678FFFF,
+        /* The R4000 has a full 64bit FPU but doesn't use the fcr0 bits. */
+        .CP1_fcr0 = (0x5 << FCR0_PRID) | (0x0 << FCR0_REV),
+        .SEGBITS = 40,
+        .PABITS = 36,
+        .insn_flags = CPU_MIPS3,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
+        .name = "VR5432",
+        .CP0_PRid = 0x00005400,
+        /* No L2 cache, icache size 8k, dcache size 8k, uncached coherency. */
+        .CP0_Config0 = (1 << 17) | (0x1 << 9) | (0x1 << 6) | (0x2 << CP0C0_K0),
+        .CP0_Config1 = (1 << CP0C1_FP) | (47 << CP0C1_MMU),
+        .CP0_LLAddr_rw_bitmask = 0xFFFFFFFFL,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 16,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x3678FFFF,
+        /* The VR5432 has a full 64bit FPU but doesn't use the fcr0 bits. */
+        .CP1_fcr0 = (0x54 << FCR0_PRID) | (0x0 << FCR0_REV),
+        .SEGBITS = 40,
+        .PABITS = 32,
+        .insn_flags = CPU_VR54XX,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
+        .name = "5Kc",
+        .CP0_PRid = 0x00018100,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
+                       (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (31 << CP0C1_MMU) |
+                       (1 << CP0C1_IS) | (4 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (1 << CP0C1_DS) | (4 << CP0C1_DL) | (1 << CP0C1_DA) |
+                       (1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3,
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x32F8FFFF,
+        .SEGBITS = 42,
+        .PABITS = 36,
+        .insn_flags = CPU_MIPS64,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
+        .name = "5Kf",
+        .CP0_PRid = 0x00018100,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
+                       (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (31 << CP0C1_MMU) |
+                       (1 << CP0C1_IS) | (4 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (1 << CP0C1_DS) | (4 << CP0C1_DL) | (1 << CP0C1_DA) |
+                       (1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3,
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x36F8FFFF,
+        /* The 5Kf has F64 / L / W but doesn't use the fcr0 bits. */
+        .CP1_fcr0 = (1 << FCR0_D) | (1 << FCR0_S) |
+                    (0x81 << FCR0_PRID) | (0x0 << FCR0_REV),
+        .SEGBITS = 42,
+        .PABITS = 36,
+        .insn_flags = CPU_MIPS64,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
+        .name = "20Kc",
+        /* We emulate a later version of the 20Kc, earlier ones had a broken
+           WAIT instruction. */
+        .CP0_PRid = 0x000182a0,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
+                    (MMU_TYPE_R4000 << CP0C0_MT) | (1 << CP0C0_VI),
+        .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (47 << CP0C1_MMU) |
+                       (2 << CP0C1_IS) | (4 << CP0C1_IL) | (3 << CP0C1_IA) |
+                       (2 << CP0C1_DS) | (4 << CP0C1_DL) | (3 << CP0C1_DA) |
+                       (1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3,
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 0,
+        .SYNCI_Step = 32,
+        .CCRes = 1,
+        .CP0_Status_rw_bitmask = 0x36FBFFFF,
+        /* The 20Kc has F64 / L / W but doesn't use the fcr0 bits. */
+        .CP1_fcr0 = (1 << FCR0_3D) | (1 << FCR0_PS) |
+                    (1 << FCR0_D) | (1 << FCR0_S) |
+                    (0x82 << FCR0_PRID) | (0x0 << FCR0_REV),
+        .SEGBITS = 40,
+        .PABITS = 36,
+        .insn_flags = CPU_MIPS64 | ASE_MIPS3D,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
+        /* A generic CPU providing MIPS64 Release 2 features.
+           FIXME: Eventually this should be replaced by a real CPU model. */
+        .name = "MIPS64R2-generic",
+        .CP0_PRid = 0x00010000,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) | (0x2 << CP0C0_AT) |
+                       (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (63 << CP0C1_MMU) |
+                       (2 << CP0C1_IS) | (4 << CP0C1_IL) | (3 << CP0C1_IA) |
+                       (2 << CP0C1_DS) | (4 << CP0C1_DL) | (3 << CP0C1_DA) |
+                       (1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_LPA),
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 0,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x36FBFFFF,
+        .CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_3D) | (1 << FCR0_PS) |
+                    (1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
+                    (1 << FCR0_S) | (0x00 << FCR0_PRID) | (0x0 << FCR0_REV),
+        .SEGBITS = 42,
+        /* The architectural limit is 59, but we have hardcoded 36 bit
+           in some places...
+        .PABITS = 59, */ /* the architectural limit */
+        .PABITS = 36,
+        .insn_flags = CPU_MIPS64R2 | ASE_MIPS3D,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+#endif
+};
+
+static const mips_def_t *cpu_mips_find_by_name (const char *name)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(mips_defs); i++) {
+        if (strcasecmp(name, mips_defs[i].name) == 0) {
+            return &mips_defs[i];
+        }
+    }
+    return NULL;
+}
+
+void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(mips_defs); i++) {
+        (*cpu_fprintf)(f, "MIPS '%s'\n",
+                       mips_defs[i].name);
+    }
+}
+
+#ifndef CONFIG_USER_ONLY
+static void no_mmu_init (CPUMIPSState *env, const mips_def_t *def)
+{
+    env->tlb->nb_tlb = 1;
+    env->tlb->map_address = &no_mmu_map_address;
+}
+
+static void fixed_mmu_init (CPUMIPSState *env, const mips_def_t *def)
+{
+    env->tlb->nb_tlb = 1;
+    env->tlb->map_address = &fixed_mmu_map_address;
+}
+
+static void r4k_mmu_init (CPUMIPSState *env, const mips_def_t *def)
+{
+    env->tlb->nb_tlb = 1 + ((def->CP0_Config1 >> CP0C1_MMU) & 63);
+    env->tlb->map_address = &r4k_map_address;
+    env->tlb->helper_tlbwi = r4k_helper_tlbwi;
+    env->tlb->helper_tlbwr = r4k_helper_tlbwr;
+    env->tlb->helper_tlbp = r4k_helper_tlbp;
+    env->tlb->helper_tlbr = r4k_helper_tlbr;
+}
+
+static void mmu_init (CPUMIPSState *env, const mips_def_t *def)
+{
+    env->tlb = qemu_mallocz(sizeof(CPUMIPSTLBContext));
+
+    switch (def->mmu_type) {
+        case MMU_TYPE_NONE:
+            no_mmu_init(env, def);
+            break;
+        case MMU_TYPE_R4000:
+            r4k_mmu_init(env, def);
+            break;
+        case MMU_TYPE_FMT:
+            fixed_mmu_init(env, def);
+            break;
+        case MMU_TYPE_R3000:
+        case MMU_TYPE_R6000:
+        case MMU_TYPE_R8000:
+        default:
+            cpu_abort(env, "MMU type not supported\n");
+    }
+}
+#endif /* CONFIG_USER_ONLY */
+
+static void fpu_init (CPUMIPSState *env, const mips_def_t *def)
+{
+    int i;
+
+    for (i = 0; i < MIPS_FPU_MAX; i++)
+        env->fpus[i].fcr0 = def->CP1_fcr0;
+
+    memcpy(&env->active_fpu, &env->fpus[0], sizeof(env->active_fpu));
+}
+
+static void mvp_init (CPUMIPSState *env, const mips_def_t *def)
+{
+    env->mvp = qemu_mallocz(sizeof(CPUMIPSMVPContext));
+
+    /* MVPConf1 implemented, TLB sharable, no gating storage support,
+       programmable cache partitioning implemented, number of allocatable
+       and sharable TLB entries, MVP has allocatable TCs, 2 VPEs
+       implemented, 5 TCs implemented. */
+    env->mvp->CP0_MVPConf0 = (1 << CP0MVPC0_M) | (1 << CP0MVPC0_TLBS) |
+                             (0 << CP0MVPC0_GS) | (1 << CP0MVPC0_PCP) |
+// TODO: actually do 2 VPEs.
+//                             (1 << CP0MVPC0_TCA) | (0x1 << CP0MVPC0_PVPE) |
+//                             (0x04 << CP0MVPC0_PTC);
+                             (1 << CP0MVPC0_TCA) | (0x0 << CP0MVPC0_PVPE) |
+                             (0x04 << CP0MVPC0_PTC);
+#if !defined(CONFIG_USER_ONLY)
+    /* Usermode has no TLB support */
+    env->mvp->CP0_MVPConf0 |= (env->tlb->nb_tlb << CP0MVPC0_PTLBE);
+#endif
+
+    /* Allocatable CP1 have media extensions, allocatable CP1 have FP support,
+       no UDI implemented, no CP2 implemented, 1 CP1 implemented. */
+    env->mvp->CP0_MVPConf1 = (1 << CP0MVPC1_CIM) | (1 << CP0MVPC1_CIF) |
+                             (0x0 << CP0MVPC1_PCX) | (0x0 << CP0MVPC1_PCP2) |
+                             (0x1 << CP0MVPC1_PCP1);
+}