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better fpu state dump 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1503 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-07-03 21:29:17 +00:00
parent d24b15a8d8
commit 2157fa0682
1 changed files with 49 additions and 11 deletions
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60
target-i386/helper2.c
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@ -250,7 +250,7 @@ void cpu_dump_state(CPUState *env, FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
int flags)
{
int eflags, i;
int eflags, i, nb;
char cc_op_name[32];
static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" };
@ -398,16 +398,54 @@ void cpu_dump_state(CPUState *env, FILE *f,
}
}
if (flags & X86_DUMP_FPU) {
cpu_fprintf(f, "ST0=%f ST1=%f ST2=%f ST3=%f\n",
(double)env->fpregs[0].d,
(double)env->fpregs[1].d,
(double)env->fpregs[2].d,
(double)env->fpregs[3].d);
cpu_fprintf(f, "ST4=%f ST5=%f ST6=%f ST7=%f\n",
(double)env->fpregs[4].d,
(double)env->fpregs[5].d,
(double)env->fpregs[7].d,
(double)env->fpregs[8].d);
int fptag;
fptag = 0;
for(i = 0; i < 8; i++) {
fptag |= ((!env->fptags[i]) << i);
}
cpu_fprintf(f, "FCW=%04x FSW=%04x [ST=%d] FTW=%02x MXCSR=%08x\n",
env->fpuc,
(env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11,
env->fpstt,
fptag,
env->mxcsr);
for(i=0;i<8;i++) {
#if defined(USE_X86LDOUBLE)
union {
long double d;
struct {
uint64_t lower;
uint16_t upper;
} l;
} tmp;
tmp.d = env->fpregs[i].d;
cpu_fprintf(f, "FPR%d=%016llx %04x",
i, tmp.l.lower, tmp.l.upper);
#else
cpu_fprintf(f, "FPR%d=%016llx",
i, env->fpregs[i].mmx.q);
#endif
if ((i & 1) == 1)
cpu_fprintf(f, "\n");
else
cpu_fprintf(f, " ");
}
if (env->hflags & HF_CS64_MASK)
nb = 16;
else
nb = 8;
for(i=0;i<nb;i++) {
cpu_fprintf(f, "XMM%02d=%08x%08x%08x%08x",
i,
env->xmm_regs[i].XMM_L(3),
env->xmm_regs[i].XMM_L(2),
env->xmm_regs[i].XMM_L(1),
env->xmm_regs[i].XMM_L(0));
if ((i & 1) == 1)
cpu_fprintf(f, "\n");
else
cpu_fprintf(f, " ");
}
}
}