aboutsummaryrefslogtreecommitdiffstats
path: root/target-sh4/translate.c
diff options
context:
space:
mode:
Diffstat (limited to 'target-sh4/translate.c')
-rw-r--r--target-sh4/translate.c1219
1 files changed, 1219 insertions, 0 deletions
diff --git a/target-sh4/translate.c b/target-sh4/translate.c
new file mode 100644
index 0000000..358f975
--- /dev/null
+++ b/target-sh4/translate.c
@@ -0,0 +1,1219 @@
+/*
+ * SH4 translation
+ *
+ * Copyright (c) 2005 Samuel Tardieu
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <assert.h>
+
+#define DEBUG_DISAS
+#define SH4_DEBUG_DISAS
+//#define SH4_SINGLE_STEP
+
+#include "cpu.h"
+#include "exec-all.h"
+#include "disas.h"
+
+enum {
+#define DEF(s, n, copy_size) INDEX_op_ ## s,
+#include "opc.h"
+#undef DEF
+ NB_OPS,
+};
+
+#ifdef USE_DIRECT_JUMP
+#define TBPARAM(x)
+#else
+#define TBPARAM(x) ((long)(x))
+#endif
+
+static uint16_t *gen_opc_ptr;
+static uint32_t *gen_opparam_ptr;
+
+#include "gen-op.h"
+
+typedef struct DisasContext {
+ struct TranslationBlock *tb;
+ target_ulong pc;
+ uint32_t sr;
+ uint32_t fpscr;
+ uint16_t opcode;
+ uint32_t flags;
+ int memidx;
+ uint32_t delayed_pc;
+ int singlestep_enabled;
+} DisasContext;
+
+#ifdef CONFIG_USER_ONLY
+
+#define GEN_OP_LD(width, reg) \
+ void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \
+ gen_op_ld##width##_T0_##reg##_raw(); \
+ }
+#define GEN_OP_ST(width, reg) \
+ void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \
+ gen_op_st##width##_##reg##_T1_raw(); \
+ }
+
+#else
+
+#define GEN_OP_LD(width, reg) \
+ void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \
+ if (ctx->memidx) gen_op_ld##width##_T0_##reg##_kernel(); \
+ else gen_op_ld##width##_T0_##reg##_user();\
+ }
+#define GEN_OP_ST(width, reg) \
+ void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \
+ if (ctx->memidx) gen_op_st##width##_##reg##_T1_kernel(); \
+ else gen_op_st##width##_##reg##_T1_user();\
+ }
+
+#endif
+
+GEN_OP_LD(ub, T0)
+GEN_OP_LD(b, T0)
+GEN_OP_ST(b, T0)
+GEN_OP_LD(uw, T0)
+GEN_OP_LD(w, T0)
+GEN_OP_ST(w, T0)
+GEN_OP_LD(l, T0)
+GEN_OP_ST(l, T0)
+GEN_OP_LD(fl, FT0)
+GEN_OP_ST(fl, FT0)
+GEN_OP_LD(fq, DT0)
+GEN_OP_ST(fq, DT0)
+
+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%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n",
+ env->pc, env->sr, env->pr, env->fpscr);
+ for (i = 0; i < 24; i += 4) {
+ cpu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n",
+ i, env->gregs[i], i + 1, env->gregs[i + 1],
+ i + 2, env->gregs[i + 2], i + 3, env->gregs[i + 3]);
+ }
+ if (env->flags & DELAY_SLOT) {
+ cpu_fprintf(f, "in delay slot (delayed_pc=0x%08x)\n",
+ env->delayed_pc);
+ } else if (env->flags & DELAY_SLOT_CONDITIONAL) {
+ cpu_fprintf(f, "in conditional delay slot (delayed_pc=0x%08x)\n",
+ env->delayed_pc);
+ }
+}
+
+void cpu_sh4_reset(CPUSH4State * env)
+{
+#if defined(CONFIG_USER_ONLY)
+ env->sr = 0x00000000;
+#else
+ env->sr = 0x700000F0; /* MD, RB, BL, I3-I0 */
+#endif
+ env->vbr = 0;
+ env->pc = 0xA0000000;
+ env->fpscr = 0x00040001;
+ env->mmucr = 0;
+}
+
+CPUSH4State *cpu_sh4_init(void)
+{
+ CPUSH4State *env;
+
+ env = qemu_mallocz(sizeof(CPUSH4State));
+ if (!env)
+ return NULL;
+ cpu_exec_init(env);
+ cpu_sh4_reset(env);
+ tlb_flush(env, 1);
+ return env;
+}
+
+static 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) &&
+ !ctx->singlestep_enabled) {
+ /* Use a direct jump if in same page and singlestep not enabled */
+ if (n == 0)
+ gen_op_goto_tb0(TBPARAM(tb));
+ else
+ gen_op_goto_tb1(TBPARAM(tb));
+ gen_op_movl_imm_T0((long) tb + n);
+ } else {
+ gen_op_movl_imm_T0(0);
+ }
+ gen_op_movl_imm_PC(dest);
+ if (ctx->singlestep_enabled)
+ gen_op_debug();
+ gen_op_exit_tb();
+}
+
+/* Jump to pc after an exception */
+static void gen_jump_exception(DisasContext * ctx)
+{
+ gen_op_movl_imm_T0(0);
+ if (ctx->singlestep_enabled)
+ gen_op_debug();
+ gen_op_exit_tb();
+}
+
+static void gen_jump(DisasContext * ctx)
+{
+ if (ctx->delayed_pc == (uint32_t) - 1) {
+ /* Target is not statically known, it comes necessarily from a
+ delayed jump as immediate jump are conditinal jumps */
+ gen_op_movl_delayed_pc_PC();
+ gen_op_movl_imm_T0(0);
+ if (ctx->singlestep_enabled)
+ gen_op_debug();
+ gen_op_exit_tb();
+ } else {
+ gen_goto_tb(ctx, 0, ctx->delayed_pc);
+ }
+}
+
+/* Immediate conditional jump (bt or bf) */
+static void gen_conditional_jump(DisasContext * ctx,
+ target_ulong ift, target_ulong ifnott)
+{
+ int l1;
+
+ l1 = gen_new_label();
+ gen_op_jT(l1);
+ gen_goto_tb(ctx, 0, ifnott);
+ gen_set_label(l1);
+ gen_goto_tb(ctx, 1, ift);
+}
+
+/* Delayed conditional jump (bt or bf) */
+static void gen_delayed_conditional_jump(DisasContext * ctx)
+{
+ int l1;
+
+ l1 = gen_new_label();
+ gen_op_jdelayed(l1);
+ gen_goto_tb(ctx, 1, ctx->pc);
+ gen_set_label(l1);
+ gen_jump(ctx);
+}
+
+#define B3_0 (ctx->opcode & 0xf)
+#define B6_4 ((ctx->opcode >> 4) & 0x7)
+#define B7_4 ((ctx->opcode >> 4) & 0xf)
+#define B7_0 (ctx->opcode & 0xff)
+#define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff))
+#define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \
+ (ctx->opcode & 0xfff))
+#define B11_8 ((ctx->opcode >> 8) & 0xf)
+#define B15_12 ((ctx->opcode >> 12) & 0xf)
+
+#define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \
+ (x) + 16 : (x))
+
+#define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \
+ ? (x) + 16 : (x))
+
+#define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x))
+#define XHACK(x) (((x) & 1 ) << 4 | ((x) & 0xe ) << 1)
+#define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x))
+
+#define CHECK_NOT_DELAY_SLOT \
+ if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
+ {gen_op_raise_slot_illegal_instruction (); ctx->flags |= BRANCH_EXCEPTION; \
+ return;}
+
+void decode_opc(DisasContext * ctx)
+{
+#if 0
+ fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode);
+#endif
+ switch (ctx->opcode) {
+ case 0x0019: /* div0u */
+ gen_op_div0u();
+ return;
+ case 0x000b: /* rts */
+ CHECK_NOT_DELAY_SLOT gen_op_rts();
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x0028: /* clrmac */
+ gen_op_clrmac();
+ return;
+ case 0x0048: /* clrs */
+ gen_op_clrs();
+ return;
+ case 0x0008: /* clrt */
+ gen_op_clrt();
+ return;
+ case 0x0038: /* ldtlb */
+ assert(0); /* XXXXX */
+ return;
+ case 0x004b: /* rte */
+ CHECK_NOT_DELAY_SLOT gen_op_rte();
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x0058: /* sets */
+ gen_op_sets();
+ return;
+ case 0x0018: /* sett */
+ gen_op_sett();
+ return;
+ case 0xfbfb: /* frchg */
+ gen_op_frchg();
+ ctx->flags |= MODE_CHANGE;
+ return;
+ case 0xf3fb: /* fschg */
+ gen_op_fschg();
+ ctx->flags |= MODE_CHANGE;
+ return;
+ case 0x0009: /* nop */
+ return;
+ case 0x001b: /* sleep */
+ assert(0); /* XXXXX */
+ return;
+ }
+
+ switch (ctx->opcode & 0xf000) {
+ case 0x1000: /* mov.l Rm,@(disp,Rn) */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_addl_imm_T1(B3_0 * 4);
+ gen_op_stl_T0_T1(ctx);
+ return;
+ case 0x5000: /* mov.l @(disp,Rm),Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_addl_imm_T0(B3_0 * 4);
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0xe000: /* mov.l #imm,Rn */
+ gen_op_movl_imm_rN(B7_0s, REG(B11_8));
+ return;
+ case 0x9000: /* mov.w @(disp,PC),Rn */
+ gen_op_movl_imm_T0(ctx->pc + 4 + B7_0 * 2);
+ gen_op_ldw_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0xd000: /* mov.l @(disp,PC),Rn */
+ gen_op_movl_imm_T0((ctx->pc + 4 + B7_0 * 4) & ~3);
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x7000: /* add.l #imm,Rn */
+ gen_op_add_imm_rN(B7_0s, REG(B11_8));
+ return;
+ case 0xa000: /* bra disp */
+ CHECK_NOT_DELAY_SLOT
+ gen_op_bra(ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2);
+ ctx->flags |= DELAY_SLOT;
+ return;
+ case 0xb000: /* bsr disp */
+ CHECK_NOT_DELAY_SLOT
+ gen_op_bsr(ctx->pc + 4, ctx->delayed_pc =
+ ctx->pc + 4 + B11_0s * 2);
+ ctx->flags |= DELAY_SLOT;
+ return;
+ }
+
+ switch (ctx->opcode & 0xf00f) {
+ case 0x6003: /* mov Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x2000: /* mov.b Rm,@Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stb_T0_T1(ctx);
+ return;
+ case 0x2001: /* mov.w Rm,@Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stw_T0_T1(ctx);
+ return;
+ case 0x2002: /* mov.l Rm,@Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stl_T0_T1(ctx);
+ return;
+ case 0x6000: /* mov.b @Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldb_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x6001: /* mov.w @Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldw_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x6002: /* mov.l @Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x2004: /* mov.b Rm,@-Rn */
+ gen_op_dec1_rN(REG(B11_8));
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stb_T0_T1(ctx);
+ return;
+ case 0x2005: /* mov.w Rm,@-Rn */
+ gen_op_dec2_rN(REG(B11_8));
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stw_T0_T1(ctx);
+ return;
+ case 0x2006: /* mov.l Rm,@-Rn */
+ gen_op_dec4_rN(REG(B11_8));
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stl_T0_T1(ctx);
+ return;
+ case 0x6004: /* mov.b @Rm+,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldb_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ gen_op_inc1_rN(REG(B7_4));
+ return;
+ case 0x6005: /* mov.w @Rm+,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldw_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ gen_op_inc2_rN(REG(B7_4));
+ return;
+ case 0x6006: /* mov.l @Rm+,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ gen_op_inc4_rN(REG(B7_4));
+ return;
+ case 0x0004: /* mov.b Rm,@(R0,Rn) */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_add_rN_T1(REG(0));
+ gen_op_stb_T0_T1(ctx);
+ return;
+ case 0x0005: /* mov.w Rm,@(R0,Rn) */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_add_rN_T1(REG(0));
+ gen_op_stw_T0_T1(ctx);
+ return;
+ case 0x0006: /* mov.l Rm,@(R0,Rn) */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_add_rN_T1(REG(0));
+ gen_op_stl_T0_T1(ctx);
+ return;
+ case 0x000c: /* mov.b @(R0,Rm),Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_add_rN_T0(REG(0));
+ gen_op_ldb_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x000d: /* mov.w @(R0,Rm),Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_add_rN_T0(REG(0));
+ gen_op_ldw_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x000e: /* mov.l @(R0,Rm),Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_add_rN_T0(REG(0));
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x6008: /* swap.b Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_swapb_T0();
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x6009: /* swap.w Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_swapw_T0();
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x200d: /* xtrct Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_xtrct_T0_T1();
+ gen_op_movl_T1_rN(REG(B11_8));
+ return;
+ case 0x300c: /* add Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_add_T0_rN(REG(B11_8));
+ return;
+ case 0x300e: /* addc Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_addc_T0_T1();
+ gen_op_movl_T1_rN(REG(B11_8));
+ return;
+ case 0x300f: /* addv Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_addv_T0_T1();
+ gen_op_movl_T1_rN(REG(B11_8));
+ return;
+ case 0x2009: /* and Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_and_T0_rN(REG(B11_8));
+ return;
+ case 0x3000: /* cmp/eq Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_cmp_eq_T0_T1();
+ return;
+ case 0x3003: /* cmp/ge Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_cmp_ge_T0_T1();
+ return;
+ case 0x3007: /* cmp/gt Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_cmp_gt_T0_T1();
+ return;
+ case 0x3006: /* cmp/hi Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_cmp_hi_T0_T1();
+ return;
+ case 0x3002: /* cmp/hs Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_cmp_hs_T0_T1();
+ return;
+ case 0x200c: /* cmp/str Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_cmp_str_T0_T1();
+ return;
+ case 0x2007: /* div0s Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_div0s_T0_T1();
+ gen_op_movl_T1_rN(REG(B11_8));
+ return;
+ case 0x3004: /* div1 Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_div1_T0_T1();
+ gen_op_movl_T1_rN(REG(B11_8));
+ return;
+ case 0x300d: /* dmuls.l Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_dmulsl_T0_T1();
+ return;
+ case 0x3005: /* dmulu.l Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_dmulul_T0_T1();
+ return;
+ case 0x600e: /* exts.b Rm,Rn */
+ gen_op_movb_rN_T0(REG(B7_4));
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x600f: /* exts.w Rm,Rn */
+ gen_op_movw_rN_T0(REG(B7_4));
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x600c: /* extu.b Rm,Rn */
+ gen_op_movub_rN_T0(REG(B7_4));
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x600d: /* extu.w Rm,Rn */
+ gen_op_movuw_rN_T0(REG(B7_4));
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x000f: /* mac.l @Rm+,@Rn- */
+ gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_movl_T0_T1();
+ gen_op_movl_rN_T1(REG(B7_4));
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_macl_T0_T1();
+ gen_op_inc4_rN(REG(B7_4));
+ gen_op_inc4_rN(REG(B11_8));
+ return;
+ case 0x400f: /* mac.w @Rm+,@Rn+ */
+ gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_movl_T0_T1();
+ gen_op_movl_rN_T1(REG(B7_4));
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_macw_T0_T1();
+ gen_op_inc2_rN(REG(B7_4));
+ gen_op_inc2_rN(REG(B11_8));
+ return;
+ case 0x0007: /* mul.l Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_mull_T0_T1();
+ return;
+ case 0x200f: /* muls.w Rm,Rn */
+ gen_op_movw_rN_T0(REG(B7_4));
+ gen_op_movw_rN_T1(REG(B11_8));
+ gen_op_mulsw_T0_T1();
+ return;
+ case 0x200e: /* mulu.w Rm,Rn */
+ gen_op_movuw_rN_T0(REG(B7_4));
+ gen_op_movuw_rN_T1(REG(B11_8));
+ gen_op_muluw_T0_T1();
+ return;
+ case 0x600b: /* neg Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_neg_T0();
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x600a: /* negc Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_negc_T0();
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x6007: /* not Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_not_T0();
+ gen_op_movl_T0_rN(REG(B11_8));
+ return;
+ case 0x200b: /* or Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_or_T0_rN(REG(B11_8));
+ return;
+ case 0x400c: /* shad Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_shad_T0_T1();
+ gen_op_movl_T1_rN(REG(B11_8));
+ return;
+ case 0x400d: /* shld Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_shld_T0_T1();
+ gen_op_movl_T1_rN(REG(B11_8));
+ return;
+ case 0x3008: /* sub Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_sub_T0_rN(REG(B11_8));
+ return;
+ case 0x300a: /* subc Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_subc_T0_T1();
+ gen_op_movl_T1_rN(REG(B11_8));
+ return;
+ case 0x300b: /* subv Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_subv_T0_T1();
+ gen_op_movl_T1_rN(REG(B11_8));
+ return;
+ case 0x2008: /* tst Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_tst_T0_T1();
+ return;
+ case 0x200a: /* xor Rm,Rn */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_xor_T0_rN(REG(B11_8));
+ return;
+ case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn */
+ if (ctx->fpscr & FPSCR_PR) {
+ gen_op_fmov_drN_DT0(XREG(B7_4));
+ gen_op_fmov_DT0_drN(XREG(B11_8));
+ } else if (ctx->fpscr & FPSCR_SZ) {
+ if (ctx->opcode & 0x0110)
+ break; /* illegal instruction */
+ gen_op_fmov_drN_DT0(XREG(B7_4));
+ gen_op_fmov_DT0_drN(XREG(B11_8));
+ } else {
+ gen_op_fmov_frN_FT0(FREG(B7_4));
+ gen_op_fmov_FT0_frN(FREG(B11_8));
+ }
+ return;
+ case 0xf00a: /* fmov {F,D,X}Rm,@Rn */
+ if (ctx->fpscr & FPSCR_PR) {
+ gen_op_fmov_drN_DT0(XREG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stfq_DT0_T1(ctx);
+ } else if (ctx->fpscr & FPSCR_SZ) {
+ if (ctx->opcode & 0x0010)
+ break; /* illegal instruction */
+ gen_op_fmov_drN_DT0(XREG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stfq_DT0_T1(ctx);
+ } else {
+ gen_op_fmov_frN_FT0(FREG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stfl_FT0_T1(ctx);
+ }
+ return;
+ case 0xf008: /* fmov @Rm,{F,D,X}Rn */
+ if (ctx->fpscr & FPSCR_PR) {
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldfq_T0_DT0(ctx);
+ gen_op_fmov_DT0_drN(XREG(B11_8));
+ } else if (ctx->fpscr & FPSCR_SZ) {
+ if (ctx->opcode & 0x0100)
+ break; /* illegal instruction */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldfq_T0_DT0(ctx);
+ gen_op_fmov_DT0_drN(XREG(B11_8));
+ } else {
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldfl_T0_FT0(ctx);
+ gen_op_fmov_FT0_frN(XREG(B11_8));
+ }
+ return;
+ case 0xf009: /* fmov @Rm+,{F,D,X}Rn */
+ if (ctx->fpscr & FPSCR_PR) {
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldfq_T0_DT0(ctx);
+ gen_op_fmov_DT0_drN(XREG(B11_8));
+ gen_op_inc8_rN(REG(B7_4));
+ } else if (ctx->fpscr & FPSCR_SZ) {
+ if (ctx->opcode & 0x0100)
+ break; /* illegal instruction */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldfq_T0_DT0(ctx);
+ gen_op_fmov_DT0_drN(XREG(B11_8));
+ gen_op_inc8_rN(REG(B7_4));
+ } else {
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_ldfl_T0_FT0(ctx);
+ gen_op_fmov_FT0_frN(XREG(B11_8));
+ gen_op_inc4_rN(REG(B7_4));
+ }
+ return;
+ case 0xf00b: /* fmov {F,D,X}Rm,@-Rn */
+ if (ctx->fpscr & FPSCR_PR) {
+ gen_op_dec8_rN(REG(B11_8));
+ gen_op_fmov_drN_DT0(XREG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stfq_DT0_T1(ctx);
+ } else if (ctx->fpscr & FPSCR_SZ) {
+ if (ctx->opcode & 0x0100)
+ break; /* illegal instruction */
+ gen_op_dec8_rN(REG(B11_8));
+ gen_op_fmov_drN_DT0(XREG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stfq_DT0_T1(ctx);
+ } else {
+ gen_op_dec4_rN(REG(B11_8));
+ gen_op_fmov_frN_FT0(FREG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stfl_FT0_T1(ctx);
+ }
+ return;
+ case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm */
+ if (ctx->fpscr & FPSCR_PR) {
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_add_rN_T0(REG(0));
+ gen_op_ldfq_T0_DT0(ctx);
+ gen_op_fmov_DT0_drN(XREG(B11_8));
+ } else if (ctx->fpscr & FPSCR_SZ) {
+ if (ctx->opcode & 0x0100)
+ break; /* illegal instruction */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_add_rN_T0(REG(0));
+ gen_op_ldfq_T0_DT0(ctx);
+ gen_op_fmov_DT0_drN(XREG(B11_8));
+ } else {
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_add_rN_T0(REG(0));
+ gen_op_ldfl_T0_FT0(ctx);
+ gen_op_fmov_FT0_frN(XREG(B11_8));
+ }
+ return;
+ case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) */
+ if (ctx->fpscr & FPSCR_PR) {
+ gen_op_fmov_drN_DT0(XREG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_add_rN_T1(REG(0));
+ gen_op_stfq_DT0_T1(ctx);
+ } else if (ctx->fpscr & FPSCR_SZ) {
+ if (ctx->opcode & 0x0010)
+ break; /* illegal instruction */
+ gen_op_fmov_drN_DT0(XREG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_add_rN_T1(REG(0));
+ gen_op_stfq_DT0_T1(ctx);
+ } else {
+ gen_op_fmov_frN_FT0(FREG(B7_4));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_add_rN_T1(REG(0));
+ gen_op_stfl_FT0_T1(ctx);
+ }
+ return;
+ }
+
+ switch (ctx->opcode & 0xff00) {
+ case 0xc900: /* and #imm,R0 */
+ gen_op_and_imm_rN(B7_0, REG(0));
+ return;
+ case 0xcd00: /* and.b #imm,@(R0+GBR) */
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_addl_GBR_T0();
+ gen_op_movl_T0_T1();
+ gen_op_ldb_T0_T0(ctx);
+ gen_op_and_imm_T0(B7_0);
+ gen_op_stb_T0_T1(ctx);
+ return;
+ case 0x8b00: /* bf label */
+ CHECK_NOT_DELAY_SLOT
+ gen_conditional_jump(ctx, ctx->pc + 2,
+ ctx->pc + 4 + B7_0s * 2);
+ ctx->flags |= BRANCH_CONDITIONAL;
+ return;
+ case 0x8f00: /* bf/s label */
+ CHECK_NOT_DELAY_SLOT
+ gen_op_bf_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2);
+ ctx->flags |= DELAY_SLOT_CONDITIONAL;
+ return;
+ case 0x8900: /* bt label */
+ CHECK_NOT_DELAY_SLOT
+ gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2,
+ ctx->pc + 2);
+ ctx->flags |= BRANCH_CONDITIONAL;
+ return;
+ case 0x8d00: /* bt/s label */
+ CHECK_NOT_DELAY_SLOT
+ gen_op_bt_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2);
+ ctx->flags |= DELAY_SLOT_CONDITIONAL;
+ return;
+ case 0x8800: /* cmp/eq #imm,R0 */
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_cmp_eq_imm_T0(B7_0s);
+ return;
+ case 0xc400: /* mov.b @(disp,GBR),R0 */
+ gen_op_stc_gbr_T0();
+ gen_op_addl_imm_T0(B7_0);
+ gen_op_ldb_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(0));
+ return;
+ case 0xc500: /* mov.w @(disp,GBR),R0 */
+ gen_op_stc_gbr_T0();
+ gen_op_addl_imm_T0(B7_0);
+ gen_op_ldw_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(0));
+ return;
+ case 0xc600: /* mov.l @(disp,GBR),R0 */
+ gen_op_stc_gbr_T0();
+ gen_op_addl_imm_T0(B7_0);
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(0));
+ return;
+ case 0xc000: /* mov.b R0,@(disp,GBR) */
+ gen_op_stc_gbr_T0();
+ gen_op_addl_imm_T0(B7_0);
+ gen_op_movl_T0_T1();
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_stb_T0_T1(ctx);
+ return;
+ case 0xc100: /* mov.w R0,@(disp,GBR) */
+ gen_op_stc_gbr_T0();
+ gen_op_addl_imm_T0(B7_0);
+ gen_op_movl_T0_T1();
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_stw_T0_T1(ctx);
+ return;
+ case 0xc200: /* mov.l R0,@(disp,GBR) */
+ gen_op_stc_gbr_T0();
+ gen_op_addl_imm_T0(B7_0);
+ gen_op_movl_T0_T1();
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_stl_T0_T1(ctx);
+ return;
+ case 0x8000: /* mov.b R0,@(disp,Rn) */
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_movl_rN_T1(REG(B7_4));
+ gen_op_addl_imm_T1(B3_0);
+ gen_op_stb_T0_T1(ctx);
+ return;
+ case 0x8100: /* mov.w R0,@(disp,Rn) */
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_movl_rN_T1(REG(B7_4));
+ gen_op_addl_imm_T1(B3_0 * 2);
+ gen_op_stw_T0_T1(ctx);
+ return;
+ case 0x8400: /* mov.b @(disp,Rn),R0 */
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_movl_rN_T1(REG(B7_4));
+ gen_op_addl_imm_T1(B3_0);
+ gen_op_stb_T0_T1(ctx);
+ return;
+ case 0x8500: /* mov.w @(disp,Rn),R0 */
+ gen_op_movl_rN_T0(REG(B7_4));
+ gen_op_addl_imm_T0(B3_0 * 2);
+ gen_op_ldw_T0_T0(ctx);
+ gen_op_movl_T0_rN(REG(0));
+ return;
+ case 0xc700: /* mova @(disp,PC),R0 */
+ gen_op_movl_imm_rN(((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3,
+ REG(0));
+ return;
+ case 0xcb00: /* or #imm,R0 */
+ gen_op_or_imm_rN(B7_0, REG(0));
+ return;
+ case 0xcf00: /* or.b #imm,@(R0+GBR) */
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_addl_GBR_T0();
+ gen_op_movl_T0_T1();
+ gen_op_ldb_T0_T0(ctx);
+ gen_op_or_imm_T0(B7_0);
+ gen_op_stb_T0_T1(ctx);
+ return;
+ case 0xc300: /* trapa #imm */
+ CHECK_NOT_DELAY_SLOT gen_op_movl_imm_PC(ctx->pc);
+ gen_op_trapa(B7_0);
+ ctx->flags |= BRANCH;
+ return;
+ case 0xc800: /* tst #imm,R0 */
+ gen_op_tst_imm_rN(B7_0, REG(0));
+ return;
+ case 0xcc00: /* tst #imm,@(R0+GBR) */
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_addl_GBR_T0();
+ gen_op_ldb_T0_T0(ctx);
+ gen_op_tst_imm_T0(B7_0);
+ return;
+ case 0xca00: /* xor #imm,R0 */
+ gen_op_xor_imm_rN(B7_0, REG(0));
+ return;
+ case 0xce00: /* xor.b #imm,@(R0+GBR) */
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_addl_GBR_T0();
+ gen_op_movl_T0_T1();
+ gen_op_ldb_T0_T0(ctx);
+ gen_op_xor_imm_T0(B7_0);
+ gen_op_stb_T0_T1(ctx);
+ return;
+ }
+
+ switch (ctx->opcode & 0xf08f) {
+ case 0x408e: /* ldc Rm,Rn_BANK */
+ gen_op_movl_rN_rN(REG(B11_8), ALTREG(B6_4));
+ return;
+ case 0x4087: /* ldc.l @Rm+,Rn_BANK */
+ gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_ldl_T0_T0(ctx);
+ gen_op_movl_T0_rN(ALTREG(B6_4));
+ gen_op_inc4_rN(REG(B11_8));
+ return;
+ case 0x0082: /* stc Rm_BANK,Rn */
+ gen_op_movl_rN_rN(ALTREG(B6_4), REG(B11_8));
+ return;
+ case 0x4083: /* stc.l Rm_BANK,@-Rn */
+ gen_op_dec4_rN(REG(B11_8));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_movl_rN_T0(ALTREG(B6_4));
+ gen_op_stl_T0_T1(ctx);
+ return;
+ }
+
+ switch (ctx->opcode & 0xf0ff) {
+ case 0x0023: /* braf Rn */
+ CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_braf_T0(ctx->pc + 4);
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x0003: /* bsrf Rn */
+ CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_bsrf_T0(ctx->pc + 4);
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x4015: /* cmp/pl Rn */
+ gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_cmp_pl_T0();
+ return;
+ case 0x4011: /* cmp/pz Rn */
+ gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_cmp_pz_T0();
+ return;
+ case 0x4010: /* dt Rn */
+ gen_op_dt_rN(REG(B11_8));
+ return;
+ case 0x402b: /* jmp @Rn */
+ CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_jmp_T0();
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x400b: /* jsr @Rn */
+ CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_jsr_T0(ctx->pc + 4);
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+#define LDST(reg,ldnum,ldpnum,ldop,stnum,stpnum,stop,extrald) \
+ case ldnum: \
+ gen_op_movl_rN_T0 (REG(B11_8)); \
+ gen_op_##ldop##_T0_##reg (); \
+ extrald \
+ return; \
+ case ldpnum: \
+ gen_op_movl_rN_T0 (REG(B11_8)); \
+ gen_op_ldl_T0_T0 (ctx); \
+ gen_op_inc4_rN (REG(B11_8)); \
+ gen_op_##ldop##_T0_##reg (); \
+ extrald \
+ return; \
+ case stnum: \
+ gen_op_##stop##_##reg##_T0 (); \
+ gen_op_movl_T0_rN (REG(B11_8)); \
+ return; \
+ case stpnum: \
+ gen_op_##stop##_##reg##_T0 (); \
+ gen_op_dec4_rN (REG(B11_8)); \
+ gen_op_movl_rN_T1 (REG(B11_8)); \
+ gen_op_stl_T0_T1 (ctx); \
+ return;
+ LDST(sr, 0x400e, 0x4007, ldc, 0x0002, 0x4003, stc, ctx->flags |=
+ MODE_CHANGE;)
+ LDST(gbr, 0x401e, 0x4017, ldc, 0x0012, 0x4013, stc,)
+ LDST(vbr, 0x402e, 0x4027, ldc, 0x0022, 0x4023, stc,)
+ LDST(ssr, 0x403e, 0x4037, ldc, 0x0032, 0x4033, stc,)
+ LDST(spc, 0x404e, 0x4047, ldc, 0x0042, 0x4043, stc,)
+ LDST(dbr, 0x40fa, 0x40f6, ldc, 0x00fa, 0x40f2, stc,)
+ LDST(mach, 0x400a, 0x4006, lds, 0x000a, 0x4002, sts,)
+ LDST(macl, 0x401a, 0x4016, lds, 0x001a, 0x4012, sts,)
+ LDST(pr, 0x402a, 0x4026, lds, 0x002a, 0x4022, sts,)
+ LDST(fpul, 0x405a, 0x4056, lds, 0x005a, 0x0052, sts,)
+ LDST(fpscr, 0x406a, 0x4066, lds, 0x006a, 0x0062, sts, ctx->flags |=
+ MODE_CHANGE;)
+ case 0x00c3: /* movca.l R0,@Rm */
+ gen_op_movl_rN_T0(REG(0));
+ gen_op_movl_rN_T1(REG(B11_8));
+ gen_op_stl_T0_T1(ctx);
+ return;
+ case 0x0029: /* movt Rn */
+ gen_op_movt_rN(REG(B11_8));
+ return;
+ case 0x0093: /* ocbi @Rn */
+ gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_ldl_T0_T0(ctx);
+ return;
+ case 0x00a2: /* ocbp @Rn */
+ gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_ldl_T0_T0(ctx);
+ return;
+ case 0x00b3: /* ocbwb @Rn */
+ gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_ldl_T0_T0(ctx);
+ return;
+ case 0x0083: /* pref @Rn */
+ return;
+ case 0x4024: /* rotcl Rn */
+ gen_op_rotcl_Rn(REG(B11_8));
+ return;
+ case 0x4025: /* rotcr Rn */
+ gen_op_rotcr_Rn(REG(B11_8));
+ return;
+ case 0x4004: /* rotl Rn */
+ gen_op_rotl_Rn(REG(B11_8));
+ return;
+ case 0x4005: /* rotr Rn */
+ gen_op_rotr_Rn(REG(B11_8));
+ return;
+ case 0x4000: /* shll Rn */
+ case 0x4020: /* shal Rn */
+ gen_op_shal_Rn(REG(B11_8));
+ return;
+ case 0x4021: /* shar Rn */
+ gen_op_shar_Rn(REG(B11_8));
+ return;
+ case 0x4001: /* shlr Rn */
+ gen_op_shlr_Rn(REG(B11_8));
+ return;
+ case 0x4008: /* shll2 Rn */
+ gen_op_shll2_Rn(REG(B11_8));
+ return;
+ case 0x4018: /* shll8 Rn */
+ gen_op_shll8_Rn(REG(B11_8));
+ return;
+ case 0x4028: /* shll16 Rn */
+ gen_op_shll16_Rn(REG(B11_8));
+ return;
+ case 0x4009: /* shlr2 Rn */
+ gen_op_shlr2_Rn(REG(B11_8));
+ return;
+ case 0x4019: /* shlr8 Rn */
+ gen_op_shlr8_Rn(REG(B11_8));
+ return;
+ case 0x4029: /* shlr16 Rn */
+ gen_op_shlr16_Rn(REG(B11_8));
+ return;
+ case 0x401b: /* tas.b @Rn */
+ gen_op_tasb_rN(REG(B11_8));
+ return;
+ case 0xf00d: /* fsts FPUL,FRn */
+ gen_op_movl_fpul_FT0();
+ gen_op_fmov_FT0_frN(FREG(B11_8));
+ return;
+ case 0xf01d: /* flds FRm.FPUL */
+ gen_op_fmov_frN_FT0(FREG(B11_8));
+ gen_op_movl_FT0_fpul();
+ return;
+ }
+
+ fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n",
+ ctx->opcode, ctx->pc);
+ gen_op_raise_illegal_instruction();
+ ctx->flags |= BRANCH_EXCEPTION;
+}
+
+int gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
+ int search_pc)
+{
+ DisasContext ctx;
+ target_ulong pc_start;
+ static uint16_t *gen_opc_end;
+ uint32_t old_flags;
+ int i, ii;
+
+ pc_start = tb->pc;
+ gen_opc_ptr = gen_opc_buf;
+ gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+ gen_opparam_ptr = gen_opparam_buf;
+ ctx.pc = pc_start;
+ ctx.flags = env->flags;
+ old_flags = 0;
+ ctx.sr = env->sr;
+ ctx.fpscr = env->fpscr;
+ ctx.memidx = (env->sr & SR_MD) ? 1 : 0;
+ /* We don't know if the delayed pc came from a dynamic or static branch,
+ so assume it is a dynamic branch. */
+ ctx.delayed_pc = -1;
+ ctx.tb = tb;
+ ctx.singlestep_enabled = env->singlestep_enabled;
+ nb_gen_labels = 0;
+
+#ifdef DEBUG_DISAS
+ if (loglevel & CPU_LOG_TB_CPU) {
+ fprintf(logfile,
+ "------------------------------------------------\n");
+ cpu_dump_state(env, logfile, fprintf, 0);
+ }
+#endif
+
+ ii = -1;
+ while ((old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) == 0 &&
+ (ctx.flags & (BRANCH | BRANCH_CONDITIONAL | MODE_CHANGE |
+ BRANCH_EXCEPTION)) == 0 &&
+ gen_opc_ptr < gen_opc_end && ctx.sr == env->sr) {
+ old_flags = ctx.flags;
+ if (env->nb_breakpoints > 0) {
+ for (i = 0; i < env->nb_breakpoints; i++) {
+ if (ctx.pc == env->breakpoints[i]) {
+ /* We have hit a breakpoint - make sure PC is up-to-date */
+ gen_op_movl_imm_PC(ctx.pc);
+ gen_op_debug();
+ ctx.flags |= BRANCH_EXCEPTION;
+ break;
+ }
+ }
+ }
+ if (search_pc) {
+ i = gen_opc_ptr - gen_opc_buf;
+ if (ii < i) {
+ ii++;
+ while (ii < i)
+ gen_opc_instr_start[ii++] = 0;
+ }
+ gen_opc_pc[ii] = ctx.pc;
+ gen_opc_instr_start[ii] = 1;
+ }
+#if 0
+ fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc);
+ fflush(stderr);
+#endif
+ ctx.opcode = lduw_code(ctx.pc);
+ decode_opc(&ctx);
+ ctx.pc += 2;
+ if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
+ break;
+ if (env->singlestep_enabled)
+ break;
+#ifdef SH4_SINGLE_STEP
+ break;
+#endif
+ }
+
+ if (old_flags & DELAY_SLOT_CONDITIONAL) {
+ gen_delayed_conditional_jump(&ctx);
+ } else if (old_flags & DELAY_SLOT) {
+ gen_op_clr_delay_slot();
+ gen_jump(&ctx);
+ } else if (ctx.flags & BRANCH_EXCEPTION) {
+ gen_jump_exception(&ctx);
+ } else if ((ctx.flags & (BRANCH | BRANCH_CONDITIONAL)) == 0) {
+ gen_goto_tb(&ctx, 0, ctx.pc);
+ }
+
+ if (env->singlestep_enabled) {
+ gen_op_debug();
+ }
+ *gen_opc_ptr = INDEX_op_end;
+ if (search_pc) {
+ i = gen_opc_ptr - gen_opc_buf;
+ ii++;
+ while (ii <= i)
+ gen_opc_instr_start[ii++] = 0;
+ tb->size = 0;
+ } else {
+ tb->size = ctx.pc - pc_start;
+ }
+
+#ifdef DEBUG_DISAS
+#ifdef SH4_DEBUG_DISAS
+ if (loglevel & CPU_LOG_TB_IN_ASM)
+ fprintf(logfile, "\n");
+#endif
+ if (loglevel & CPU_LOG_TB_IN_ASM) {
+ fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */
+ target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
+ fprintf(logfile, "\n");
+ }
+ if (loglevel & CPU_LOG_TB_OP) {
+ fprintf(logfile, "OP:\n");
+ dump_ops(gen_opc_buf, gen_opparam_buf);
+ fprintf(logfile, "\n");
+ }
+#endif
+ return 0;
+}
+
+int gen_intermediate_code(CPUState * env, struct TranslationBlock *tb)
+{
+ return gen_intermediate_code_internal(env, tb, 0);
+}
+
+int gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb)
+{
+ return gen_intermediate_code_internal(env, tb, 1);
+}