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target/microblaze: Tidy mb_cpu_dump_state 

Using lookup_symbol is quite slow; remove that.  Decode the
various bits of iflags; only show imm, btaken, btarget when
they are relevant to iflags.  Improve formatting.

Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-08-22 16:14:46 -07:00
parent 1e521ce3b0
commit 0c3da918de
1 changed files with 41 additions and 26 deletions
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67
target/microblaze/translate.c
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@ -1818,41 +1818,56 @@ void mb_cpu_dump_state(CPUState *cs, FILE *f, int flags)
{
MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
CPUMBState *env = &cpu->env;
uint32_t iflags;
int i;
if (!env) {
return;
}
qemu_fprintf(f, "IN: PC=%x %s\n",
env->pc, lookup_symbol(env->pc));
qemu_fprintf(f, "rmsr=%x resr=%x rear=%" PRIx64 " "
"imm=%x iflags=%x fsr=%x rbtr=%x\n",
env->msr, env->esr, env->ear,
env->imm, env->iflags, env->fsr, env->btr);
qemu_fprintf(f, "btaken=%d btarget=%x mode=%s(saved=%s) eip=%d ie=%d\n",
env->btaken, env->btarget,
qemu_fprintf(f, "pc=0x%08x msr=0x%05x mode=%s(saved=%s) eip=%d ie=%d\n",
env->pc, env->msr,
(env->msr & MSR_UM) ? "user" : "kernel",
(env->msr & MSR_UMS) ? "user" : "kernel",
(bool)(env->msr & MSR_EIP),
(bool)(env->msr & MSR_IE));
for (i = 0; i < 12; i++) {
qemu_fprintf(f, "rpvr%2.2d=%8.8x ", i, env->pvr.regs[i]);
if ((i + 1) % 4 == 0) {
qemu_fprintf(f, "\n");
}
iflags = env->iflags;
qemu_fprintf(f, "iflags: 0x%08x", iflags);
if (iflags & IMM_FLAG) {
qemu_fprintf(f, " IMM(0x%08x)", env->imm);
}
if (iflags & BIMM_FLAG) {
qemu_fprintf(f, " BIMM");
}
if (iflags & D_FLAG) {
qemu_fprintf(f, " D(btaken=%d btarget=0x%08x)",
env->btaken, env->btarget);
}
if (iflags & DRTI_FLAG) {
qemu_fprintf(f, " DRTI");
}
if (iflags & DRTE_FLAG) {
qemu_fprintf(f, " DRTE");
}
if (iflags & DRTB_FLAG) {
qemu_fprintf(f, " DRTB");
}
if (iflags & ESR_ESS_FLAG) {
qemu_fprintf(f, " ESR_ESS(0x%04x)", iflags & ESR_ESS_MASK);
}
qemu_fprintf(f, "\nesr=0x%04x fsr=0x%02x btr=0x%08x edr=0x%x\n"
"ear=0x%016" PRIx64 " slr=0x%x shr=0x%x\n",
env->esr, env->fsr, env->btr, env->edr,
env->ear, env->slr, env->shr);
for (i = 0; i < 12; i++) {
qemu_fprintf(f, "rpvr%-2d=%08x%c",
i, env->pvr.regs[i], i % 4 == 3 ? '\n' : ' ');
}
/* Registers that aren't modeled are reported as 0 */
qemu_fprintf(f, "redr=%x rpid=0 rzpr=0 rtlbx=0 rtlbsx=0 "
"rtlblo=0 rtlbhi=0\n", env->edr);
qemu_fprintf(f, "slr=%x shr=%x\n", env->slr, env->shr);
for (i = 0; i < 32; i++) {
qemu_fprintf(f, "r%2.2d=%8.8x ", i, env->regs[i]);
if ((i + 1) % 4 == 0)
qemu_fprintf(f, "\n");
}
qemu_fprintf(f, "\n\n");
qemu_fprintf(f, "r%2.2d=%08x%c",
i, env->regs[i], i % 4 == 3 ? '\n' : ' ');
}
qemu_fprintf(f, "\n");
}
void mb_tcg_init(void)