diff options
| author | Andi Kleen <ak@suse.de> | 2007-05-02 19:27:11 +0200 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 19:27:11 +0200 |
| commit | 5d02d7ae73ac9446f20bbf604b04a74637178b35 (patch) | |
| tree | aa9567f82def28a452f7625e5a5cc6078148c9cd /include/asm-x86_64 | |
| parent | b92e9fac400d4ae5bc7a75c568e9844ec53ea329 (diff) | |
[PATCH] x86-64: Use X86_EFLAGS_IF in x86-64/irqflags.h.
As per i386 patch: move X86_EFLAGS_IF et al out to a new header:
processor-flags.h, so we can include it from irqflags.h and use it in
raw_irqs_disabled_flags().
As a side-effect, we could now use these flags in .S files.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/irqflags.h | 9 | ||||
| -rw-r--r-- | include/asm-x86_64/processor-flags.h | 26 | ||||
| -rw-r--r-- | include/asm-x86_64/processor.h | 22 |
3 files changed, 32 insertions, 25 deletions
diff --git a/include/asm-x86_64/irqflags.h b/include/asm-x86_64/irqflags.h index cce6937e87c..86e70fe2365 100644 --- a/include/asm-x86_64/irqflags.h +++ b/include/asm-x86_64/irqflags.h @@ -9,6 +9,7 @@ */ #ifndef _ASM_IRQFLAGS_H #define _ASM_IRQFLAGS_H +#include <asm/processor-flags.h> #ifndef __ASSEMBLY__ /* @@ -53,19 +54,19 @@ static inline void raw_local_irq_disable(void) { unsigned long flags = __raw_local_save_flags(); - raw_local_irq_restore((flags & ~(1 << 9)) | (1 << 18)); + raw_local_irq_restore((flags & ~X86_EFLAGS_IF) | X86_EFLAGS_AC); } static inline void raw_local_irq_enable(void) { unsigned long flags = __raw_local_save_flags(); - raw_local_irq_restore((flags | (1 << 9)) & ~(1 << 18)); + raw_local_irq_restore((flags | X86_EFLAGS_IF) & (~X86_EFLAGS_AC)); } static inline int raw_irqs_disabled_flags(unsigned long flags) { - return !(flags & (1<<9)) || (flags & (1 << 18)); + return !(flags & X86_EFLAGS_IF) || (flags & X86_EFLAGS_AC); } #else /* CONFIG_X86_VSMP */ @@ -82,7 +83,7 @@ static inline void raw_local_irq_enable(void) static inline int raw_irqs_disabled_flags(unsigned long flags) { - return !(flags & (1 << 9)); + return !(flags & X86_EFLAGS_IF); } #endif diff --git a/include/asm-x86_64/processor-flags.h b/include/asm-x86_64/processor-flags.h new file mode 100644 index 00000000000..806112fb798 --- /dev/null +++ b/include/asm-x86_64/processor-flags.h @@ -0,0 +1,26 @@ +#ifndef __ASM_X86_64_PROCESSOR_FLAGS_H +#define __ASM_X86_64_PROCESSOR_FLAGS_H +/* Various flags defined: can be included from assembler. */ + +/* + * EFLAGS bits + */ +#define X86_EFLAGS_CF 0x00000001 /* Carry Flag */ +#define X86_EFLAGS_PF 0x00000004 /* Parity Flag */ +#define X86_EFLAGS_AF 0x00000010 /* Auxillary carry Flag */ +#define X86_EFLAGS_ZF 0x00000040 /* Zero Flag */ +#define X86_EFLAGS_SF 0x00000080 /* Sign Flag */ +#define X86_EFLAGS_TF 0x00000100 /* Trap Flag */ +#define X86_EFLAGS_IF 0x00000200 /* Interrupt Flag */ +#define X86_EFLAGS_DF 0x00000400 /* Direction Flag */ +#define X86_EFLAGS_OF 0x00000800 /* Overflow Flag */ +#define X86_EFLAGS_IOPL 0x00003000 /* IOPL mask */ +#define X86_EFLAGS_NT 0x00004000 /* Nested Task */ +#define X86_EFLAGS_RF 0x00010000 /* Resume Flag */ +#define X86_EFLAGS_VM 0x00020000 /* Virtual Mode */ +#define X86_EFLAGS_AC 0x00040000 /* Alignment Check */ +#define X86_EFLAGS_VIF 0x00080000 /* Virtual Interrupt Flag */ +#define X86_EFLAGS_VIP 0x00100000 /* Virtual Interrupt Pending */ +#define X86_EFLAGS_ID 0x00200000 /* CPUID detection flag */ + +#endif /* __ASM_X86_64_PROCESSOR_FLAGS_H */ diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h index 76552d72804..2c1497de0b0 100644 --- a/include/asm-x86_64/processor.h +++ b/include/asm-x86_64/processor.h @@ -20,6 +20,7 @@ #include <asm/percpu.h> #include <linux/personality.h> #include <linux/cpumask.h> +#include <asm/processor-flags.h> #define TF_MASK 0x00000100 #define IF_MASK 0x00000200 @@ -103,27 +104,6 @@ extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c); extern unsigned short num_cache_leaves; /* - * EFLAGS bits - */ -#define X86_EFLAGS_CF 0x00000001 /* Carry Flag */ -#define X86_EFLAGS_PF 0x00000004 /* Parity Flag */ -#define X86_EFLAGS_AF 0x00000010 /* Auxillary carry Flag */ -#define X86_EFLAGS_ZF 0x00000040 /* Zero Flag */ -#define X86_EFLAGS_SF 0x00000080 /* Sign Flag */ -#define X86_EFLAGS_TF 0x00000100 /* Trap Flag */ -#define X86_EFLAGS_IF 0x00000200 /* Interrupt Flag */ -#define X86_EFLAGS_DF 0x00000400 /* Direction Flag */ -#define X86_EFLAGS_OF 0x00000800 /* Overflow Flag */ -#define X86_EFLAGS_IOPL 0x00003000 /* IOPL mask */ -#define X86_EFLAGS_NT 0x00004000 /* Nested Task */ -#define X86_EFLAGS_RF 0x00010000 /* Resume Flag */ -#define X86_EFLAGS_VM 0x00020000 /* Virtual Mode */ -#define X86_EFLAGS_AC 0x00040000 /* Alignment Check */ -#define X86_EFLAGS_VIF 0x00080000 /* Virtual Interrupt Flag */ -#define X86_EFLAGS_VIP 0x00100000 /* Virtual Interrupt Pending */ -#define X86_EFLAGS_ID 0x00200000 /* CPUID detection flag */ - -/* * Intel CPU features in CR4 */ #define X86_CR4_VME 0x0001 /* enable vm86 extensions */ |