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PPC: monitor: add ability to dump SLB entries 

When run with a PPC Book3S (server) CPU Currently 'info tlb' in the
qemu monitor reports "dump_mmu: unimplemented".  However, during
bringup work, it can be quite handy to have the SLB entries, which are
available in the CPUPPCState.  This patch adds an implementation of
info tlb for book3s, which dumps the SLB.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Nishanth Aravamudan 2011-11-01 09:57:52 +00:00 committed by Alexander Graf
parent 8d3bc5178f
commit 4e9200a0a0
1 changed files with 28 additions and 0 deletions
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28
target-ppc/helper.c
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@ -1545,12 +1545,40 @@ static void mmubooke206_dump_mmu(FILE *f, fprintf_function cpu_fprintf,
}
}
#if defined(TARGET_PPC64)
static void mmubooks_dump_mmu(FILE *f, fprintf_function cpu_fprintf,
CPUState *env)
{
int i;
uint64_t slbe, slbv;
cpu_synchronize_state(env);
cpu_fprintf(f, "SLB\tESID\t\t\tVSID\n");
for (i = 0; i < env->slb_nr; i++) {
slbe = env->slb[i].esid;
slbv = env->slb[i].vsid;
if (slbe == 0 && slbv == 0) {
continue;
}
cpu_fprintf(f, "%d\t0x%016" PRIx64 "\t0x%016" PRIx64 "\n",
i, slbe, slbv);
}
}
#endif
void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUState *env)
{
switch (env->mmu_model) {
case POWERPC_MMU_BOOKE206:
mmubooke206_dump_mmu(f, cpu_fprintf, env);
break;
#if defined(TARGET_PPC64)
case POWERPC_MMU_64B:
case POWERPC_MMU_2_06:
mmubooks_dump_mmu(f, cpu_fprintf, env);
break;
#endif
default:
cpu_fprintf(f, "%s: unimplemented\n", __func__);
}