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ppc-40x: Correct check for Endian swapping TLB entries.

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Bailout on 40x TLB entries with endianess swapping only if the entry
is valid.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2010-01-11 14:41:53 +01:00
parent f25359cd87
commit c5b9729ae9
1 changed files with 7 additions and 5 deletions
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12
target-ppc/op_helper.c
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@ -3981,13 +3981,15 @@ void helper_4xx_tlbwe_hi (target_ulong entry, target_ulong val)
tlb->size, TARGET_PAGE_SIZE, (int)((val >> 7) & 0x7));
}
tlb->EPN = val & ~(tlb->size - 1);
if (val & 0x40)
if (val & 0x40) {
tlb->prot |= PAGE_VALID;
else
if (val & 0x20) {
/* XXX: TO BE FIXED */
cpu_abort(env,
"Little-endian TLB entries are not supported by now\n");
}
} else {
tlb->prot &= ~PAGE_VALID;
if (val & 0x20) {
/* XXX: TO BE FIXED */
cpu_abort(env, "Little-endian TLB entries are not supported by now\n");
}
tlb->PID = env->spr[SPR_40x_PID]; /* PID */
LOG_SWTLB("%s: set up TLB %d RPN " TARGET_FMT_plx " EPN " TARGET_FMT_lx