diff options
| author | Harvey Harrison <harvey.harrison@gmail.com> | 2008-02-18 11:12:48 -0800 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-02-19 10:34:38 +0200 |
| commit | 3c1002ca9b60140fcace61c21af8d417061dd8d3 (patch) | |
| tree | ed6b1e68d3f8f1db31b4568b167ce5665b5c8054 | |
| parent | 6c87c4157ed6fe54f4b25463668f696e73f3695a (diff) | |
KVM: x86 emulator: add ad_mask static inlinekvm-61
Replaces open-coded mask calculation in macros.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
| -rw-r--r-- | arch/x86/kvm/x86_emulate.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 22900f70172b..f6f6544cf747 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -480,10 +480,15 @@ static u16 group2_table[] = { (_type)_x; \ }) +static inline unsigned long ad_mask(struct decode_cache *c) +{ + return (1UL << (c->ad_bytes << 3)) - 1; +} + /* Access/update address held in a register, based on addressing mode. */ #define address_mask(reg) \ ((c->ad_bytes == sizeof(unsigned long)) ? \ - (reg) : ((reg) & ((1UL << (c->ad_bytes << 3)) - 1))) + (reg) : ((reg) & ad_mask(c))) #define register_address(base, reg) \ ((base) + address_mask(reg)) #define register_address_increment(reg, inc) \ @@ -494,9 +499,9 @@ static u16 group2_table[] = { (reg) += _inc; \ else \ (reg) = ((reg) & \ - ~((1UL << (c->ad_bytes << 3)) - 1)) | \ + ~ad_mask(c)) | \ (((reg) + _inc) & \ - ((1UL << (c->ad_bytes << 3)) - 1)); \ + ad_mask(c)); \ } while (0) #define JMP_REL(rel) \ |