diff options
Diffstat (limited to 'tools/ioemu/patches/qemu-infrastructure')
| -rw-r--r-- | tools/ioemu/patches/qemu-infrastructure | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/ioemu/patches/qemu-infrastructure b/tools/ioemu/patches/qemu-infrastructure new file mode 100644 index 0000000000..1bd4d7e60e --- /dev/null +++ b/tools/ioemu/patches/qemu-infrastructure @@ -0,0 +1,27 @@ +diff -r ead4d7bbf711 cpu-all.h +--- a/cpu-all.h Tue May 30 13:32:07 2006 +0100 ++++ b/cpu-all.h Tue May 30 13:32:25 2006 +0100 +@@ -820,6 +820,23 @@ int cpu_inl(CPUState *env, int addr); + int cpu_inl(CPUState *env, int addr); + #endif + ++#if defined(__i386__) || defined(__x86_64__) ++static __inline__ void atomic_set_bit(long nr, volatile void *addr) ++{ ++ __asm__ __volatile__( ++ "lock ; bts %1,%0" ++ :"=m" (*(volatile long *)addr) ++ :"dIr" (nr)); ++} ++static __inline__ void atomic_clear_bit(long nr, volatile void *addr) ++{ ++ __asm__ __volatile__( ++ "lock ; btr %1,%0" ++ :"=m" (*(volatile long *)addr) ++ :"dIr" (nr)); ++} ++#endif ++ + /* memory API */ + + extern uint64_t phys_ram_size; |