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target/arm: Dump SVE state if enabled 

Also fold the FPCR/FPSR state onto the same line as PSTATE,
and mention but do not dump disabled FPU state.

Cc: qemu-stable@nongnu.org (3.0.1)
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-08-16 14:05:28 +01:00 committed by Peter Maydell
parent 3cb506a399
commit 2bf5f3f91b
1 changed files with 83 additions and 12 deletions
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95
target/arm/translate-a64.c
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@ -152,8 +152,7 @@ void aarch64_cpu_dump_state(CPUState *cs, FILE *f,
} else {
ns_status = "";
}
cpu_fprintf(f, "\nPSTATE=%08x %c%c%c%c %sEL%d%c\n",
cpu_fprintf(f, "PSTATE=%08x %c%c%c%c %sEL%d%c",
psr,
psr & PSTATE_N ? 'N' : '-',
psr & PSTATE_Z ? 'Z' : '-',
@ -163,17 +162,89 @@ void aarch64_cpu_dump_state(CPUState *cs, FILE *f,
el,
psr & PSTATE_SP ? 'h' : 't');
if (flags & CPU_DUMP_FPU) {
int numvfpregs = 32;
for (i = 0; i < numvfpregs; i++) {
uint64_t *q = aa64_vfp_qreg(env, i);
uint64_t vlo = q[0];
uint64_t vhi = q[1];
cpu_fprintf(f, "q%02d=%016" PRIx64 ":%016" PRIx64 "%c",
i, vhi, vlo, (i & 1 ? '\n' : ' '));
if (!(flags & CPU_DUMP_FPU)) {
cpu_fprintf(f, "\n");
return;
}
cpu_fprintf(f, " FPCR=%08x FPSR=%08x\n",
vfp_get_fpcr(env), vfp_get_fpsr(env));
if (arm_feature(env, ARM_FEATURE_SVE)) {
int j, zcr_len = env->vfp.zcr_el[1] & 0xf; /* fix for system mode */
for (i = 0; i <= FFR_PRED_NUM; i++) {
bool eol;
if (i == FFR_PRED_NUM) {
cpu_fprintf(f, "FFR=");
/* It's last, so end the line. */
eol = true;
} else {
cpu_fprintf(f, "P%02d=", i);
switch (zcr_len) {
case 0:
eol = i % 8 == 7;
break;
case 1:
eol = i % 6 == 5;
break;
case 2:
case 3:
eol = i % 3 == 2;
break;
default:
/* More than one quadword per predicate. */
eol = true;
break;
}
}
for (j = zcr_len / 4; j >= 0; j--) {
int digits;
if (j * 4 + 4 <= zcr_len + 1) {
digits = 16;
} else {
digits = (zcr_len % 4 + 1) * 4;
}
cpu_fprintf(f, "%0*" PRIx64 "%s", digits,
env->vfp.pregs[i].p[j],
j ? ":" : eol ? "\n" : " ");
}
}
for (i = 0; i < 32; i++) {
if (zcr_len == 0) {
cpu_fprintf(f, "Z%02d=%016" PRIx64 ":%016" PRIx64 "%s",
i, env->vfp.zregs[i].d[1],
env->vfp.zregs[i].d[0], i & 1 ? "\n" : " ");
} else if (zcr_len == 1) {
cpu_fprintf(f, "Z%02d=%016" PRIx64 ":%016" PRIx64
":%016" PRIx64 ":%016" PRIx64 "\n",
i, env->vfp.zregs[i].d[3], env->vfp.zregs[i].d[2],
env->vfp.zregs[i].d[1], env->vfp.zregs[i].d[0]);
} else {
for (j = zcr_len; j >= 0; j--) {
bool odd = (zcr_len - j) % 2 != 0;
if (j == zcr_len) {
cpu_fprintf(f, "Z%02d[%x-%x]=", i, j, j - 1);
} else if (!odd) {
if (j > 0) {
cpu_fprintf(f, " [%x-%x]=", j, j - 1);
} else {
cpu_fprintf(f, " [%x]=", j);
}
}
cpu_fprintf(f, "%016" PRIx64 ":%016" PRIx64 "%s",
env->vfp.zregs[i].d[j * 2 + 1],
env->vfp.zregs[i].d[j * 2],
odd || j == 0 ? "\n" : ":");
}
}
}
} else {
for (i = 0; i < 32; i++) {
uint64_t *q = aa64_vfp_qreg(env, i);
cpu_fprintf(f, "Q%02d=%016" PRIx64 ":%016" PRIx64 "%s",
i, q[1], q[0], (i & 1 ? "\n" : " "));
}
cpu_fprintf(f, "FPCR: %08x FPSR: %08x\n",
vfp_get_fpcr(env), vfp_get_fpsr(env));
}
}