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Diffstat (limited to 'target-mips')
-rw-r--r--target-mips/exec.h1
-rw-r--r--target-mips/helper.h4
-rw-r--r--target-mips/op.c76
-rw-r--r--target-mips/op_helper.c6
-rw-r--r--target-mips/translate.c40
5 files changed, 38 insertions, 89 deletions
diff --git a/target-mips/exec.h b/target-mips/exec.h
index 42c2fc41f9..1aa4851cea 100644
--- a/target-mips/exec.h
+++ b/target-mips/exec.h
@@ -78,7 +78,6 @@ void fpu_dump_state(CPUState *env, FILE *f,
int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
int flags);
void dump_sc (void);
-void do_pmon (int function);
int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
int mmu_idx, int is_softmmu);
diff --git a/target-mips/helper.h b/target-mips/helper.h
index 9ac0eb9f6a..7918c9e993 100644
--- a/target-mips/helper.h
+++ b/target-mips/helper.h
@@ -202,3 +202,7 @@ FOP_PROTO(nge)
FOP_PROTO(le)
FOP_PROTO(ngt)
#undef FOP_PROTO
+
+/* Special functions */
+DEF_HELPER(void, do_pmon, (int function))
+DEF_HELPER(void, do_wait, (void))
diff --git a/target-mips/op.c b/target-mips/op.c
index c1ea67a66c..43d8198184 100644
--- a/target-mips/op.c
+++ b/target-mips/op.c
@@ -651,18 +651,6 @@ FLOAT_OP(alnv, ps)
FORCE_RET();
}
-#ifdef CONFIG_SOFTFLOAT
-#define clear_invalid() do { \
- int flags = get_float_exception_flags(&env->fpu->fp_status); \
- flags &= ~float_flag_invalid; \
- set_float_exception_flags(flags, &env->fpu->fp_status); \
-} while(0)
-#else
-#define clear_invalid() do { } while(0)
-#endif
-
-extern void dump_fpu_s(CPUState *env);
-
void op_bc1f (void)
{
T0 = !!(~GET_FP_COND(env->fpu) & (0x1 << PARAM1));
@@ -701,44 +689,7 @@ void op_bc1any4t (void)
FORCE_RET();
}
-void op_tlbwi (void)
-{
- CALL_FROM_TB0(env->tlb->do_tlbwi);
- FORCE_RET();
-}
-
-void op_tlbwr (void)
-{
- CALL_FROM_TB0(env->tlb->do_tlbwr);
- FORCE_RET();
-}
-
-void op_tlbp (void)
-{
- CALL_FROM_TB0(env->tlb->do_tlbp);
- FORCE_RET();
-}
-
-void op_tlbr (void)
-{
- CALL_FROM_TB0(env->tlb->do_tlbr);
- FORCE_RET();
-}
-
/* Specials */
-#if defined (CONFIG_USER_ONLY)
-void op_tls_value (void)
-{
- T0 = env->tls_value;
-}
-#endif
-
-void op_pmon (void)
-{
- CALL_FROM_TB1(do_pmon, PARAM1);
- FORCE_RET();
-}
-
void op_di (void)
{
T0 = env->CP0_Status;
@@ -755,20 +706,6 @@ void op_ei (void)
FORCE_RET();
}
-void op_trap (void)
-{
- if (T0) {
- CALL_FROM_TB1(do_raise_exception, EXCP_TRAP);
- }
- FORCE_RET();
-}
-
-void op_debug (void)
-{
- CALL_FROM_TB1(do_raise_exception, EXCP_DEBUG);
- FORCE_RET();
-}
-
void debug_pre_eret (void);
void debug_post_eret (void);
void op_eret (void)
@@ -842,19 +779,6 @@ void op_rdhwr_ccres(void)
FORCE_RET();
}
-void op_save_state (void)
-{
- env->hflags = PARAM1;
- FORCE_RET();
-}
-
-void op_wait (void)
-{
- env->halted = 1;
- CALL_FROM_TB1(do_raise_exception, EXCP_HLT);
- FORCE_RET();
-}
-
/* Bitfield operations. */
void op_ext(void)
{
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index ae91acdb07..f573732e61 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -1401,6 +1401,12 @@ void do_pmon (int function)
}
}
+void do_wait (void)
+{
+ env->halted = 1;
+ do_raise_exception(EXCP_HLT);
+}
+
#if !defined(CONFIG_USER_ONLY)
static void do_unaligned_access (target_ulong addr, int is_write, int is_user, void *retaddr);
diff --git a/target-mips/translate.c b/target-mips/translate.c
index b235eec8a1..27d774f74f 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -789,7 +789,11 @@ static always_inline void save_cpu_state (DisasContext *ctx, int do_save_pc)
ctx->saved_pc = ctx->pc;
}
if (ctx->hflags != ctx->saved_hflags) {
- gen_op_save_state(ctx->hflags);
+ TCGv r_tmp = tcg_temp_new(TCG_TYPE_I32);
+
+ tcg_gen_movi_i32(r_tmp, ctx->hflags);
+ tcg_gen_st_i32(r_tmp, cpu_env, offsetof(CPUState, hflags));
+ tcg_temp_free(r_tmp);
ctx->saved_hflags = ctx->hflags;
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
case MIPS_HFLAG_BR:
@@ -2238,7 +2242,13 @@ static void gen_trap (DisasContext *ctx, uint32_t opc,
}
}
save_cpu_state(ctx, 1);
- gen_op_trap();
+ {
+ int l1 = gen_new_label();
+
+ tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[0], 0, l1);
+ tcg_gen_helper_0_1i(do_raise_exception, EXCP_TRAP);
+ gen_set_label(l1);
+ }
ctx->bstate = BS_STOP;
}
@@ -5316,25 +5326,25 @@ static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int
opn = "tlbwi";
if (!env->tlb->do_tlbwi)
goto die;
- gen_op_tlbwi();
+ tcg_gen_helper_0_0(env->tlb->do_tlbwi);
break;
case OPC_TLBWR:
opn = "tlbwr";
if (!env->tlb->do_tlbwr)
goto die;
- gen_op_tlbwr();
+ tcg_gen_helper_0_0(env->tlb->do_tlbwr);
break;
case OPC_TLBP:
opn = "tlbp";
if (!env->tlb->do_tlbp)
goto die;
- gen_op_tlbp();
+ tcg_gen_helper_0_0(env->tlb->do_tlbp);
break;
case OPC_TLBR:
opn = "tlbr";
if (!env->tlb->do_tlbr)
goto die;
- gen_op_tlbr();
+ tcg_gen_helper_0_0(env->tlb->do_tlbr);
break;
case OPC_ERET:
opn = "eret";
@@ -5362,7 +5372,7 @@ static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int
ctx->pc += 4;
save_cpu_state(ctx, 1);
ctx->pc -= 4;
- gen_op_wait();
+ tcg_gen_helper_0_0(do_wait);
ctx->bstate = BS_EXCP;
break;
default:
@@ -6617,7 +6627,13 @@ static void decode_opc (CPUState *env, DisasContext *ctx)
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, bcond));
tcg_gen_brcondi_tl(TCG_COND_NE, r_tmp, 0, l1);
tcg_temp_free(r_tmp);
- gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK);
+ {
+ TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I32);
+
+ tcg_gen_movi_i32(r_tmp2, ctx->hflags & ~MIPS_HFLAG_BMASK);
+ tcg_gen_st_i32(r_tmp2, cpu_env, offsetof(CPUState, hflags));
+ tcg_temp_free(r_tmp2);
+ }
gen_goto_tb(ctx, 1, ctx->pc + 4);
gen_set_label(l1);
}
@@ -6671,7 +6687,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx)
MIPS_INVAL("PMON / selsl");
generate_exception(ctx, EXCP_RI);
#else
- gen_op_pmon(sa);
+ tcg_gen_helper_0_1i(do_pmon, sa);
#endif
break;
case OPC_SYSCALL:
@@ -6827,7 +6843,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx)
break;
case 29:
#if defined (CONFIG_USER_ONLY)
- gen_op_tls_value();
+ tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, tls_value));
break;
#endif
default: /* Invalid */
@@ -7243,7 +7259,7 @@ gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
if (env->breakpoints[j] == ctx.pc) {
save_cpu_state(&ctx, 1);
ctx.bstate = BS_BRANCH;
- gen_op_debug();
+ tcg_gen_helper_0_1i(do_raise_exception, EXCP_DEBUG);
/* Include the breakpoint location or the tb won't
* be flushed when it must be. */
ctx.pc += 4;
@@ -7285,7 +7301,7 @@ gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
}
if (env->singlestep_enabled) {
save_cpu_state(&ctx, ctx.bstate == BS_NONE);
- gen_op_debug();
+ tcg_gen_helper_0_1i(do_raise_exception, EXCP_DEBUG);
} else {
switch (ctx.bstate) {
case BS_STOP:
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-22 16:35:42 +0000