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Fix NX bit

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ctx->nx only got ORed, but never reset. So when one page in the
lifetime of the VM was ever NX, all later pages were too.

Signed-off-by: Alexander Graf <alex@csgraf.de>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6755 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2009-03-07 20:57:01 +00:00
parent 2ada0ed785
commit 29c8ca6f2e
1 changed files with 1 additions and 1 deletions
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2
target-ppc/helper.c
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@ -226,7 +226,7 @@ static always_inline int _pte_check (mmu_ctx_t *ctx, int is_64b,
ptem = pte0 & PTE64_PTEM_MASK; ptem = pte0 & PTE64_PTEM_MASK;
mmask = PTE64_CHECK_MASK; mmask = PTE64_CHECK_MASK;
pp = (pte1 & 0x00000003) | ((pte1 >> 61) & 0x00000004); pp = (pte1 & 0x00000003) | ((pte1 >> 61) & 0x00000004);
ctx->nx |= (pte1 >> 2) & 1; /* No execute bit */ ctx->nx = (pte1 >> 2) & 1; /* No execute bit */
ctx->nx |= (pte1 >> 3) & 1; /* Guarded bit */ ctx->nx |= (pte1 >> 3) & 1; /* Guarded bit */
} else } else
#endif #endif