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qemu/target-ppc/machine.c
Nathan Froyd 18b21a2f83 target-ppc: retain l{w,d}arx loaded value 
We do this so we can check on the corresponding stc{w,d}x. whether the
value has changed.  It's a poor man's form of implementing atomic
operations and is valid only for NPTL usermode Linux emulation.

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: malc <av1474@comtv.ru>
2009-08-03 20:33:41 +04:00

184 lines
5.7 KiB
C
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#include "hw/hw.h"
#include "hw/boards.h"
#include "kvm.h"
void cpu_save(QEMUFile *f, void *opaque)
{
CPUState *env = (CPUState *)opaque;
unsigned int i, j;
cpu_synchronize_state(env, 0);
for (i = 0; i < 32; i++)
qemu_put_betls(f, &env->gpr[i]);
#if !defined(TARGET_PPC64)
for (i = 0; i < 32; i++)
qemu_put_betls(f, &env->gprh[i]);
#endif
qemu_put_betls(f, &env->lr);
qemu_put_betls(f, &env->ctr);
for (i = 0; i < 8; i++)
qemu_put_be32s(f, &env->crf[i]);
qemu_put_betls(f, &env->xer);
qemu_put_betls(f, &env->reserve_addr);
qemu_put_betls(f, &env->msr);
for (i = 0; i < 4; i++)
qemu_put_betls(f, &env->tgpr[i]);
for (i = 0; i < 32; i++) {
union {
float64 d;
uint64_t l;
} u;
u.d = env->fpr[i];
qemu_put_be64(f, u.l);
}
qemu_put_be32s(f, &env->fpscr);
qemu_put_sbe32s(f, &env->access_type);
#if !defined(CONFIG_USER_ONLY)
#if defined(TARGET_PPC64)
qemu_put_betls(f, &env->asr);
qemu_put_sbe32s(f, &env->slb_nr);
#endif
qemu_put_betls(f, &env->sdr1);
for (i = 0; i < 32; i++)
qemu_put_betls(f, &env->sr[i]);
for (i = 0; i < 2; i++)
for (j = 0; j < 8; j++)
qemu_put_betls(f, &env->DBAT[i][j]);
for (i = 0; i < 2; i++)
for (j = 0; j < 8; j++)
qemu_put_betls(f, &env->IBAT[i][j]);
qemu_put_sbe32s(f, &env->nb_tlb);
qemu_put_sbe32s(f, &env->tlb_per_way);
qemu_put_sbe32s(f, &env->nb_ways);
qemu_put_sbe32s(f, &env->last_way);
qemu_put_sbe32s(f, &env->id_tlbs);
qemu_put_sbe32s(f, &env->nb_pids);
if (env->tlb) {
// XXX assumes 6xx
for (i = 0; i < env->nb_tlb; i++) {
qemu_put_betls(f, &env->tlb[i].tlb6.pte0);
qemu_put_betls(f, &env->tlb[i].tlb6.pte1);
qemu_put_betls(f, &env->tlb[i].tlb6.EPN);
}
}
for (i = 0; i < 4; i++)
qemu_put_betls(f, &env->pb[i]);
#endif
for (i = 0; i < 1024; i++)
qemu_put_betls(f, &env->spr[i]);
qemu_put_be32s(f, &env->vscr);
qemu_put_be64s(f, &env->spe_acc);
qemu_put_be32s(f, &env->spe_fscr);
qemu_put_betls(f, &env->msr_mask);
qemu_put_be32s(f, &env->flags);
qemu_put_sbe32s(f, &env->error_code);
qemu_put_be32s(f, &env->pending_interrupts);
#if !defined(CONFIG_USER_ONLY)
qemu_put_be32s(f, &env->irq_input_state);
for (i = 0; i < POWERPC_EXCP_NB; i++)
qemu_put_betls(f, &env->excp_vectors[i]);
qemu_put_betls(f, &env->excp_prefix);
qemu_put_betls(f, &env->hreset_excp_prefix);
qemu_put_betls(f, &env->ivor_mask);
qemu_put_betls(f, &env->ivpr_mask);
qemu_put_betls(f, &env->hreset_vector);
#endif
qemu_put_betls(f, &env->nip);
qemu_put_betls(f, &env->hflags);
qemu_put_betls(f, &env->hflags_nmsr);
qemu_put_sbe32s(f, &env->mmu_idx);
qemu_put_sbe32s(f, &env->power_mode);
}
int cpu_load(QEMUFile *f, void *opaque, int version_id)
{
CPUState *env = (CPUState *)opaque;
unsigned int i, j;
for (i = 0; i < 32; i++)
qemu_get_betls(f, &env->gpr[i]);
#if !defined(TARGET_PPC64)
for (i = 0; i < 32; i++)
qemu_get_betls(f, &env->gprh[i]);
#endif
qemu_get_betls(f, &env->lr);
qemu_get_betls(f, &env->ctr);
for (i = 0; i < 8; i++)
qemu_get_be32s(f, &env->crf[i]);
qemu_get_betls(f, &env->xer);
qemu_get_betls(f, &env->reserve_addr);
qemu_get_betls(f, &env->msr);
for (i = 0; i < 4; i++)
qemu_get_betls(f, &env->tgpr[i]);
for (i = 0; i < 32; i++) {
union {
float64 d;
uint64_t l;
} u;
u.l = qemu_get_be64(f);
env->fpr[i] = u.d;
}
qemu_get_be32s(f, &env->fpscr);
qemu_get_sbe32s(f, &env->access_type);
#if !defined(CONFIG_USER_ONLY)
#if defined(TARGET_PPC64)
qemu_get_betls(f, &env->asr);
qemu_get_sbe32s(f, &env->slb_nr);
#endif
qemu_get_betls(f, &env->sdr1);
for (i = 0; i < 32; i++)
qemu_get_betls(f, &env->sr[i]);
for (i = 0; i < 2; i++)
for (j = 0; j < 8; j++)
qemu_get_betls(f, &env->DBAT[i][j]);
for (i = 0; i < 2; i++)
for (j = 0; j < 8; j++)
qemu_get_betls(f, &env->IBAT[i][j]);
qemu_get_sbe32s(f, &env->nb_tlb);
qemu_get_sbe32s(f, &env->tlb_per_way);
qemu_get_sbe32s(f, &env->nb_ways);
qemu_get_sbe32s(f, &env->last_way);
qemu_get_sbe32s(f, &env->id_tlbs);
qemu_get_sbe32s(f, &env->nb_pids);
if (env->tlb) {
// XXX assumes 6xx
for (i = 0; i < env->nb_tlb; i++) {
qemu_get_betls(f, &env->tlb[i].tlb6.pte0);
qemu_get_betls(f, &env->tlb[i].tlb6.pte1);
qemu_get_betls(f, &env->tlb[i].tlb6.EPN);
}
}
for (i = 0; i < 4; i++)
qemu_get_betls(f, &env->pb[i]);
#endif
for (i = 0; i < 1024; i++)
qemu_get_betls(f, &env->spr[i]);
qemu_get_be32s(f, &env->vscr);
qemu_get_be64s(f, &env->spe_acc);
qemu_get_be32s(f, &env->spe_fscr);
qemu_get_betls(f, &env->msr_mask);
qemu_get_be32s(f, &env->flags);
qemu_get_sbe32s(f, &env->error_code);
qemu_get_be32s(f, &env->pending_interrupts);
#if !defined(CONFIG_USER_ONLY)
qemu_get_be32s(f, &env->irq_input_state);
for (i = 0; i < POWERPC_EXCP_NB; i++)
qemu_get_betls(f, &env->excp_vectors[i]);
qemu_get_betls(f, &env->excp_prefix);
qemu_get_betls(f, &env->hreset_excp_prefix);
qemu_get_betls(f, &env->ivor_mask);
qemu_get_betls(f, &env->ivpr_mask);
qemu_get_betls(f, &env->hreset_vector);
#endif
qemu_get_betls(f, &env->nip);
qemu_get_betls(f, &env->hflags);
qemu_get_betls(f, &env->hflags_nmsr);
qemu_get_sbe32s(f, &env->mmu_idx);
qemu_get_sbe32s(f, &env->power_mode);
cpu_synchronize_state(env, 1);
return 0;
}
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