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Add reset callbacks for PowerPC CPU.

Browse source 
Move cpu_ppc_init, cpu_ppc_close, cpu_ppc_reset and ppc_tlb_invalidate
into helper.c as they are to be called from outside of the translated code.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2682 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
j_mayer 2007-04-16 08:56:52 +00:00
parent dd37a5e4d7
commit 0a032cbec6
6 changed files with 87 additions and 64 deletions
Download patch file Download diff file Expand all files Collapse all files

78
target-ppc/helper.c
View file

@ -630,6 +630,25 @@ static int get_segment (CPUState *env, mmu_ctx_t *ctx,
return ret;
}
void ppc4xx_tlb_invalidate_all (CPUState *env)
{
ppcemb_tlb_t *tlb;
int i;
for (i = 0; i < env->nb_tlb; i++) {
tlb = &env->tlb[i].tlbe;
if (tlb->prot & PAGE_VALID) {
#if 0 // XXX: TLB have variable sizes then we flush all Qemu TLB.
end = tlb->EPN + tlb->size;
for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
tlb_flush_page(env, page);
#endif
tlb->prot &= ~PAGE_VALID;
}
}
tlb_flush(env, 1);
}
int mmu4xx_get_physical_address (CPUState *env, mmu_ctx_t *ctx,
target_ulong address, int rw, int access_type)
{
@ -1105,6 +1124,20 @@ void do_store_dbatl (CPUPPCState *env, int nr, target_ulong value)
env->DBAT[1][nr] = value;
}
/*****************************************************************************/
/* TLB management */
void ppc_tlb_invalidate_all (CPUPPCState *env)
{
if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_6xx)) {
ppc6xx_tlb_invalidate_all(env);
} else if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_4xx)) {
ppc4xx_tlb_invalidate_all(env);
} else {
tlb_flush(env, 1);
}
}
/*****************************************************************************/
/* Special registers manipulation */
#if defined(TARGET_PPC64)
@ -2039,3 +2072,48 @@ void cpu_dump_EA (target_ulong EA)
fprintf(f, "Memory access at address " TARGET_FMT_lx "\n", EA);
}
void cpu_ppc_reset (void *opaque)
{
CPUPPCState *env;
env = opaque;
#if defined (DO_SINGLE_STEP) && 0
/* Single step trace mode */
msr_se = 1;
msr_be = 1;
#endif
msr_fp = 1; /* Allow floating point exceptions */
msr_me = 1; /* Allow machine check exceptions */
#if defined(TARGET_PPC64)
msr_sf = 0; /* Boot in 32 bits mode */
msr_cm = 0;
#endif
#if defined(CONFIG_USER_ONLY)
msr_pr = 1;
tlb_flush(env, 1);
#else
env->nip = 0xFFFFFFFC;
ppc_tlb_invalidate_all(env);
#endif
do_compute_hflags(env);
env->reserve = -1;
}
CPUPPCState *cpu_ppc_init (void)
{
CPUPPCState *env;
env = qemu_mallocz(sizeof(CPUPPCState));
if (!env)
return NULL;
cpu_exec_init(env);
cpu_ppc_reset(env);
return env;
}
void cpu_ppc_close (CPUPPCState *env)
{
/* Should also remove all opcode tables... */
free(env);
}