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Merge branch 'master' into mem_map_ex_cse

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This commit is contained in:
Chris Eagle
2015-08-31 23:49:54 -07:00
parent 658e399776 9dbd674a04
commit 73027026ce
9 changed files with 189 additions and 22 deletions
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2
qemu/cpu-exec.c
View File

@@ -205,6 +205,8 @@ int cpu_exec(struct uc_struct *uc, CPUArchState *env) // qq
have_tb_lock = true;
tb = tb_find_fast(env); // qq
if (!tb) { // invalid TB due to invalid code?
uc->invalid_error = UC_ERR_CODE_INVALID;
ret = EXCP_HLT;
break;
}
/* Note: we do it here to avoid a gcc bug on Mac OS X when

17
qemu/target-i386/fpu_helper.c
View File

@@ -986,12 +986,22 @@ void helper_fstenv(CPUX86State *env, target_ulong ptr, int data32)
}
}
}
if (data32) {
// DFLAG enum: tcg.h, case here to int
if (env->hflags & HF_CS64_MASK) {
cpu_stl_data(env, ptr, env->fpuc);
cpu_stl_data(env, ptr + 4, fpus);
cpu_stl_data(env, ptr + 8, fptag);
cpu_stl_data(env, ptr + 12, env->fpip); /* fpip */
cpu_stl_data(env, ptr + 20, 0); /* fpcs */
cpu_stl_data(env, ptr + 24, 0); /* fpoo */
cpu_stl_data(env, ptr + 28, 0); /* fpos */
} else if (data32) {
/* 32 bit */
cpu_stl_data(env, ptr, env->fpuc);
cpu_stl_data(env, ptr + 4, fpus);
cpu_stl_data(env, ptr + 8, fptag);
cpu_stl_data(env, ptr + 12, 0); /* fpip */
cpu_stl_data(env, ptr + 12, env->fpip); /* fpip */
cpu_stl_data(env, ptr + 16, 0); /* fpcs */
cpu_stl_data(env, ptr + 20, 0); /* fpoo */
cpu_stl_data(env, ptr + 24, 0); /* fpos */
@@ -1000,11 +1010,12 @@ void helper_fstenv(CPUX86State *env, target_ulong ptr, int data32)
cpu_stw_data(env, ptr, env->fpuc);
cpu_stw_data(env, ptr + 2, fpus);
cpu_stw_data(env, ptr + 4, fptag);
cpu_stw_data(env, ptr + 6, 0);
cpu_stw_data(env, ptr + 6, env->fpip);
cpu_stw_data(env, ptr + 8, 0);
cpu_stw_data(env, ptr + 10, 0);
cpu_stw_data(env, ptr + 12, 0);
}
}
void helper_fldenv(CPUX86State *env, target_ulong ptr, int data32)

14
qemu/target-i386/translate.c
View File

@@ -248,6 +248,11 @@ static void gen_update_cc_op(DisasContext *s)
}
}
static void fpu_update_ip(CPUX86State *env, target_ulong pc)
{
env->fpip = pc;
}
#ifdef TARGET_X86_64
#define NB_OP_SIZES 4
@@ -6110,6 +6115,7 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
/* fcomp needs pop */
gen_helper_fpop(tcg_ctx, cpu_env);
}
fpu_update_ip(env, pc_start);
}
break;
case 0x08: /* flds */
@@ -6194,6 +6200,7 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
gen_helper_fpop(tcg_ctx, cpu_env);
break;
}
fpu_update_ip(env, pc_start);
break;
case 0x0c: /* fldenv mem */
gen_update_cc_op(s);
@@ -6219,12 +6226,14 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
gen_update_cc_op(s);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_fldt_ST0(tcg_ctx, cpu_env, cpu_A0);
fpu_update_ip(env, pc_start);
break;
case 0x1f: /* fstpt mem */
gen_update_cc_op(s);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_fstt_ST0(tcg_ctx, cpu_env, cpu_A0);
gen_helper_fpop(tcg_ctx, cpu_env);
fpu_update_ip(env, pc_start);
break;
case 0x2c: /* frstor mem */
gen_update_cc_op(s);
@@ -6245,21 +6254,25 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
gen_update_cc_op(s);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_fbld_ST0(tcg_ctx, cpu_env, cpu_A0);
fpu_update_ip(env, pc_start);
break;
case 0x3e: /* fbstp */
gen_update_cc_op(s);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_fbst_ST0(tcg_ctx, cpu_env, cpu_A0);
gen_helper_fpop(tcg_ctx, cpu_env);
fpu_update_ip(env, pc_start);
break;
case 0x3d: /* fildll */
tcg_gen_qemu_ld_i64(s->uc, cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ);
gen_helper_fildll_ST0(tcg_ctx, cpu_env, cpu_tmp1_i64);
fpu_update_ip(env, pc_start);
break;
case 0x3f: /* fistpll */
gen_helper_fistll_ST0(tcg_ctx, cpu_tmp1_i64, cpu_env);
tcg_gen_qemu_st_i64(s->uc, cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ);
gen_helper_fpop(tcg_ctx, cpu_env);
fpu_update_ip(env, pc_start);
break;
default:
goto illegal_op;
@@ -6574,6 +6587,7 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
default:
goto illegal_op;
}
fpu_update_ip(env, pc_start);
}
break;
/************************/