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qemu-e2k
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TCGify a few more instructions. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4736 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2008-06-12 03:15:13 +00:00
parent 2681b45add
commit 08ba79632f
5 changed files with 38 additions and 89 deletions
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1
target-mips/exec.h
View File

@ -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);

4
target-mips/helper.h
View File

@ -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))

76
target-mips/op.c
View File

@ -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)
{

6
target-mips/op_helper.c
View File

@ -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);

40
target-mips/translate.c
View File

@ -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: