gwj / at91sam9263 · Commits

Commit 14cc46b19ae9101d6742876c17c4ee040e22acad

Authored by aurel32
1 parent 0e62fd79

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
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Showing 1 changed file with 4 additions and 0 deletions
cpu-all.h
  View file @14cc46b
... ... @@ -638,6 +638,10 @@ static inline void stfq_be_p(void *ptr, float64 v)
638 638 assert(__ret == (abi_ulong)__ret); \
639 639 (abi_ulong)__ret; \
640 640 })
  641 +#define h2g_valid(x) ({ \
  642 + unsigned long __guest = (unsigned long)(x) - GUEST_BASE; \
  643 + (__guest == (abi_ulong)__guest); \
  644 +})
641 645  
642 646 #define saddr(x) g2h(x)
643 647 #define laddr(x) g2h(x)
... ...