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qemu-patch-raspberry4/target-sparc/machine.c
Igor Kovalenko 8194f35a0c Sparc64: replace tsptr with helper routine 
tl and tsptr of members sparc64 cpu state must be changed
simultaneously to keep trap state window in sync with current
trap level. Currently translation of store to tl does not change
tsptr, which leads to corrupt trap state on corresponding
trap level.

This patch removes tsptr from sparc64 cpu state and replaces
all uses with call to helper routine.

Changes v0->v1:
- reimplemented helper routine with tcg generator
- on cpu reset trap type and pstate are populated with power-on reset
values, including tl=maxtl

Signed-off-by: igor.v.kovalenko@gmail.com
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-08-04 20:22:10 +00:00

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#include "hw/hw.h"
#include "hw/boards.h"
#include "qemu-timer.h"
#include "exec-all.h"
void cpu_save(QEMUFile *f, void *opaque)
{
CPUState *env = opaque;
int i;
uint32_t tmp;
// if env->cwp == env->nwindows - 1, this will set the ins of the last
// window as the outs of the first window
cpu_set_cwp(env, env->cwp);
for(i = 0; i < 8; i++)
qemu_put_betls(f, &env->gregs[i]);
qemu_put_be32s(f, &env->nwindows);
for(i = 0; i < env->nwindows * 16; i++)
qemu_put_betls(f, &env->regbase[i]);
/* FPU */
for(i = 0; i < TARGET_FPREGS; i++) {
union {
float32 f;
uint32_t i;
} u;
u.f = env->fpr[i];
qemu_put_be32(f, u.i);
}
qemu_put_betls(f, &env->pc);
qemu_put_betls(f, &env->npc);
qemu_put_betls(f, &env->y);
tmp = GET_PSR(env);
qemu_put_be32(f, tmp);
qemu_put_betls(f, &env->fsr);
qemu_put_betls(f, &env->tbr);
tmp = env->interrupt_index;
qemu_put_be32(f, tmp);
qemu_put_be32s(f, &env->pil_in);
#ifndef TARGET_SPARC64
qemu_put_be32s(f, &env->wim);
/* MMU */
for (i = 0; i < 32; i++)
qemu_put_be32s(f, &env->mmuregs[i]);
#else
qemu_put_be64s(f, &env->lsu);
for (i = 0; i < 16; i++) {
qemu_put_be64s(f, &env->immuregs[i]);
qemu_put_be64s(f, &env->dmmuregs[i]);
}
for (i = 0; i < 64; i++) {
qemu_put_be64s(f, &env->itlb[i].tag);
qemu_put_be64s(f, &env->itlb[i].tte);
qemu_put_be64s(f, &env->dtlb[i].tag);
qemu_put_be64s(f, &env->dtlb[i].tte);
}
qemu_put_be32s(f, &env->mmu_version);
for (i = 0; i < MAXTL_MAX; i++) {
qemu_put_be64s(f, &env->ts[i].tpc);
qemu_put_be64s(f, &env->ts[i].tnpc);
qemu_put_be64s(f, &env->ts[i].tstate);
qemu_put_be32s(f, &env->ts[i].tt);
}
qemu_put_be32s(f, &env->xcc);
qemu_put_be32s(f, &env->asi);
qemu_put_be32s(f, &env->pstate);
qemu_put_be32s(f, &env->tl);
qemu_put_be32s(f, &env->cansave);
qemu_put_be32s(f, &env->canrestore);
qemu_put_be32s(f, &env->otherwin);
qemu_put_be32s(f, &env->wstate);
qemu_put_be32s(f, &env->cleanwin);
for (i = 0; i < 8; i++)
qemu_put_be64s(f, &env->agregs[i]);
for (i = 0; i < 8; i++)
qemu_put_be64s(f, &env->bgregs[i]);
for (i = 0; i < 8; i++)
qemu_put_be64s(f, &env->igregs[i]);
for (i = 0; i < 8; i++)
qemu_put_be64s(f, &env->mgregs[i]);
qemu_put_be64s(f, &env->fprs);
qemu_put_be64s(f, &env->tick_cmpr);
qemu_put_be64s(f, &env->stick_cmpr);
qemu_put_ptimer(f, env->tick);
qemu_put_ptimer(f, env->stick);
qemu_put_be64s(f, &env->gsr);
qemu_put_be32s(f, &env->gl);
qemu_put_be64s(f, &env->hpstate);
for (i = 0; i < MAXTL_MAX; i++)
qemu_put_be64s(f, &env->htstate[i]);
qemu_put_be64s(f, &env->hintp);
qemu_put_be64s(f, &env->htba);
qemu_put_be64s(f, &env->hver);
qemu_put_be64s(f, &env->hstick_cmpr);
qemu_put_be64s(f, &env->ssr);
qemu_put_ptimer(f, env->hstick);
#endif
}
int cpu_load(QEMUFile *f, void *opaque, int version_id)
{
CPUState *env = opaque;
int i;
uint32_t tmp;
if (version_id != 5)
return -EINVAL;
for(i = 0; i < 8; i++)
qemu_get_betls(f, &env->gregs[i]);
qemu_get_be32s(f, &env->nwindows);
for(i = 0; i < env->nwindows * 16; i++)
qemu_get_betls(f, &env->regbase[i]);
/* FPU */
for(i = 0; i < TARGET_FPREGS; i++) {
union {
float32 f;
uint32_t i;
} u;
u.i = qemu_get_be32(f);
env->fpr[i] = u.f;
}
qemu_get_betls(f, &env->pc);
qemu_get_betls(f, &env->npc);
qemu_get_betls(f, &env->y);
tmp = qemu_get_be32(f);
env->cwp = 0; /* needed to ensure that the wrapping registers are
correctly updated */
PUT_PSR(env, tmp);
qemu_get_betls(f, &env->fsr);
qemu_get_betls(f, &env->tbr);
tmp = qemu_get_be32(f);
env->interrupt_index = tmp;
qemu_get_be32s(f, &env->pil_in);
#ifndef TARGET_SPARC64
qemu_get_be32s(f, &env->wim);
/* MMU */
for (i = 0; i < 32; i++)
qemu_get_be32s(f, &env->mmuregs[i]);
#else
qemu_get_be64s(f, &env->lsu);
for (i = 0; i < 16; i++) {
qemu_get_be64s(f, &env->immuregs[i]);
qemu_get_be64s(f, &env->dmmuregs[i]);
}
for (i = 0; i < 64; i++) {
qemu_get_be64s(f, &env->itlb[i].tag);
qemu_get_be64s(f, &env->itlb[i].tte);
qemu_get_be64s(f, &env->dtlb[i].tag);
qemu_get_be64s(f, &env->dtlb[i].tte);
}
qemu_get_be32s(f, &env->mmu_version);
for (i = 0; i < MAXTL_MAX; i++) {
qemu_get_be64s(f, &env->ts[i].tpc);
qemu_get_be64s(f, &env->ts[i].tnpc);
qemu_get_be64s(f, &env->ts[i].tstate);
qemu_get_be32s(f, &env->ts[i].tt);
}
qemu_get_be32s(f, &env->xcc);
qemu_get_be32s(f, &env->asi);
qemu_get_be32s(f, &env->pstate);
qemu_get_be32s(f, &env->tl);
qemu_get_be32s(f, &env->cansave);
qemu_get_be32s(f, &env->canrestore);
qemu_get_be32s(f, &env->otherwin);
qemu_get_be32s(f, &env->wstate);
qemu_get_be32s(f, &env->cleanwin);
for (i = 0; i < 8; i++)
qemu_get_be64s(f, &env->agregs[i]);
for (i = 0; i < 8; i++)
qemu_get_be64s(f, &env->bgregs[i]);
for (i = 0; i < 8; i++)
qemu_get_be64s(f, &env->igregs[i]);
for (i = 0; i < 8; i++)
qemu_get_be64s(f, &env->mgregs[i]);
qemu_get_be64s(f, &env->fprs);
qemu_get_be64s(f, &env->tick_cmpr);
qemu_get_be64s(f, &env->stick_cmpr);
qemu_get_ptimer(f, env->tick);
qemu_get_ptimer(f, env->stick);
qemu_get_be64s(f, &env->gsr);
qemu_get_be32s(f, &env->gl);
qemu_get_be64s(f, &env->hpstate);
for (i = 0; i < MAXTL_MAX; i++)
qemu_get_be64s(f, &env->htstate[i]);
qemu_get_be64s(f, &env->hintp);
qemu_get_be64s(f, &env->htba);
qemu_get_be64s(f, &env->hver);
qemu_get_be64s(f, &env->hstick_cmpr);
qemu_get_be64s(f, &env->ssr);
qemu_get_ptimer(f, env->hstick);
#endif
tlb_flush(env, 1);
return 0;
}
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