diff options
| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-04-22 21:57:57 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-04-22 21:57:57 +0000 |
| commit | a23a663b6555497b1569e407cc8edff09787decb (patch) | |
| tree | e1a89f1aa9e504ffc99a78235101d88e79226464 /target-i386/helper2.c | |
| parent | 99c6c082ffe7e20c611f51d3758c692aae8cd400 (diff) | |
Fix PHYS_ADDR_MASK: upper bits of a PTE are reserved so they are 52 bits
long. Thanks to Paul Brook for noticing that.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4242 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-i386/helper2.c')
| -rw-r--r-- | target-i386/helper2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/target-i386/helper2.c b/target-i386/helper2.c index d5dc96ba16..106720aa7f 100644 --- a/target-i386/helper2.c +++ b/target-i386/helper2.c @@ -800,7 +800,8 @@ target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) #else -#define PHYS_ADDR_MASK (~0xfff) +/* Bits 52-62 of a PTE are reserved. Bit 63 is the NX bit. */ +#define PHYS_ADDR_MASK 0xffffffffff000L /* return value: -1 = cannot handle fault |