haraldwolff/qemu-patch-raspberry4
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CRIS: Add (untested) cpu-state save/load.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4721 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
edgar_igl 2008-06-09 23:44:20 +00:00
parent 5ef98b4742
commit 877d8ad78b
2 changed files with 89 additions and 1 deletions
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2
hw/etraxfs.c
View file

@ -67,7 +67,7 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
cpu_model = "crisv32";
}
env = cpu_init(cpu_model);
/* register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); */
register_savevm("cpu", 0, 1, cpu_save, cpu_load, env);
qemu_register_reset(main_cpu_reset, env);
/* allocate RAM */

88
target-cris/machine.c
View file

@ -5,3 +5,91 @@ void register_machines(void)
{
qemu_register_machine(&bareetraxfs_machine);
}
void cpu_save(QEMUFile *f, void *opaque)
{
CPUCRISState *env = opaque;
int i;
int s;
int mmu;
for (i = 0; i < 16; i++)
qemu_put_be32(f, env->regs[i]);
for (i = 0; i < 16; i++)
qemu_put_be32(f, env->pregs[i]);
qemu_put_be32(f, env->pc);
qemu_put_be32(f, env->ksp);
qemu_put_be32(f, env->dslot);
qemu_put_be32(f, env->btaken);
qemu_put_be32(f, env->btarget);
qemu_put_be32(f, env->cc_op);
qemu_put_be32(f, env->cc_mask);
qemu_put_be32(f, env->cc_dest);
qemu_put_be32(f, env->cc_src);
qemu_put_be32(f, env->cc_result);
qemu_put_be32(f, env->cc_size);
qemu_put_be32(f, env->cc_x);
for (s = 0; s < 4; i++) {
for (i = 0; i < 16; i++)
qemu_put_be32(f, env->sregs[s][i]);
}
qemu_put_be32(f, env->mmu_rand_lfsr);
for (mmu = 0; mmu < 2; mmu++) {
for (s = 0; s < 4; i++) {
for (i = 0; i < 16; i++) {
qemu_put_be32(f, env->tlbsets[mmu][s][i].lo);
qemu_put_be32(f, env->tlbsets[mmu][s][i].hi);
}
}
}
}
int cpu_load(QEMUFile *f, void *opaque, int version_id)
{
CPUCRISState *env = opaque;
int i;
int s;
int mmu;
for (i = 0; i < 16; i++)
env->regs[i] = qemu_get_be32(f);
for (i = 0; i < 16; i++)
env->pregs[i] = qemu_get_be32(f);
env->pc = qemu_get_be32(f);
env->ksp = qemu_get_be32(f);
env->dslot = qemu_get_be32(f);
env->btaken = qemu_get_be32(f);
env->btarget = qemu_get_be32(f);
env->cc_op = qemu_get_be32(f);
env->cc_mask = qemu_get_be32(f);
env->cc_dest = qemu_get_be32(f);
env->cc_src = qemu_get_be32(f);
env->cc_result = qemu_get_be32(f);
env->cc_size = qemu_get_be32(f);
env->cc_x = qemu_get_be32(f);
for (s = 0; s < 4; i++) {
for (i = 0; i < 16; i++)
env->sregs[s][i] = qemu_get_be32(f);
}
env->mmu_rand_lfsr = qemu_get_be32(f);
for (mmu = 0; mmu < 2; mmu++) {
for (s = 0; s < 4; i++) {
for (i = 0; i < 16; i++) {
env->tlbsets[mmu][s][i].lo = qemu_get_be32(f);
env->tlbsets[mmu][s][i].hi = qemu_get_be32(f);
}
}
}
return 0;
}