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| author |   aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-12-08 18:12:18 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-12-08 18:12:18 +0000 |
| commit | 14cc46b19ae9101d6742876c17c4ee040e22acad (patch) | |
| tree | 6e088b19a5b83b8e2ebf2507de4828aeea01f3cd /cpu-all.h | |
| parent | linux-user: Safety belt for h2g (diff) | |
| download | qemu-kvm-14cc46b19ae9101d6742876c17c4ee040e22acad.tar.gz qemu-kvm-14cc46b19ae9101d6742876c17c4ee040e22acad.tar.bz2 qemu-kvm-14cc46b19ae9101d6742876c17c4ee040e22acad.zip | |
linux-user: Introduce h2g_valid
Introduce h2g_valid to check if a given host address can be converted
into a valid guest address.
Based on a patch from Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5956 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'cpu-all.h')
| -rw-r--r-- | cpu-all.h | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -638,6 +638,10 @@ static inline void stfq_be_p(void *ptr, float64 v) assert(__ret == (abi_ulong)__ret); \ (abi_ulong)__ret; \ }) +#define h2g_valid(x) ({ \ + unsigned long __guest = (unsigned long)(x) - GUEST_BASE; \ + (__guest == (abi_ulong)__guest); \ +}) #define saddr(x) g2h(x) #define laddr(x) g2h(x) |