diff options
Diffstat (limited to 'arch/parisc')
-rw-r--r-- | arch/parisc/include/asm/irqflags.h | 46 | ||||
-rw-r--r-- | arch/parisc/include/asm/system.h | 19 |
2 files changed, 47 insertions, 18 deletions
diff --git a/arch/parisc/include/asm/irqflags.h b/arch/parisc/include/asm/irqflags.h new file mode 100644 index 000000000000..34f9cb9b4754 --- /dev/null +++ b/arch/parisc/include/asm/irqflags.h | |||
@@ -0,0 +1,46 @@ | |||
1 | #ifndef __PARISC_IRQFLAGS_H | ||
2 | #define __PARISC_IRQFLAGS_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | #include <asm/psw.h> | ||
6 | |||
7 | static inline unsigned long arch_local_save_flags(void) | ||
8 | { | ||
9 | unsigned long flags; | ||
10 | asm volatile("ssm 0, %0" : "=r" (flags) : : "memory"); | ||
11 | return flags; | ||
12 | } | ||
13 | |||
14 | static inline void arch_local_irq_disable(void) | ||
15 | { | ||
16 | asm volatile("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory"); | ||
17 | } | ||
18 | |||
19 | static inline void arch_local_irq_enable(void) | ||
20 | { | ||
21 | asm volatile("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory"); | ||
22 | } | ||
23 | |||
24 | static inline unsigned long arch_local_irq_save(void) | ||
25 | { | ||
26 | unsigned long flags; | ||
27 | asm volatile("rsm %1,%0" : "=r" (flags) : "i" (PSW_I) : "memory"); | ||
28 | return flags; | ||
29 | } | ||
30 | |||
31 | static inline void arch_local_irq_restore(unsigned long flags) | ||
32 | { | ||
33 | asm volatile("mtsm %0" : : "r" (flags) : "memory"); | ||
34 | } | ||
35 | |||
36 | static inline bool arch_irqs_disabled_flags(unsigned long flags) | ||
37 | { | ||
38 | return (flags & PSW_I) == 0; | ||
39 | } | ||
40 | |||
41 | static inline bool arch_irqs_disabled(void) | ||
42 | { | ||
43 | return arch_irqs_disabled_flags(arch_local_save_flags()); | ||
44 | } | ||
45 | |||
46 | #endif /* __PARISC_IRQFLAGS_H */ | ||
diff --git a/arch/parisc/include/asm/system.h b/arch/parisc/include/asm/system.h index 2ab4af58ecb9..b19e63a8e848 100644 --- a/arch/parisc/include/asm/system.h +++ b/arch/parisc/include/asm/system.h | |||
@@ -1,7 +1,7 @@ | |||
1 | #ifndef __PARISC_SYSTEM_H | 1 | #ifndef __PARISC_SYSTEM_H |
2 | #define __PARISC_SYSTEM_H | 2 | #define __PARISC_SYSTEM_H |
3 | 3 | ||
4 | #include <asm/psw.h> | 4 | #include <linux/irqflags.h> |
5 | 5 | ||
6 | /* The program status word as bitfields. */ | 6 | /* The program status word as bitfields. */ |
7 | struct pa_psw { | 7 | struct pa_psw { |
@@ -48,23 +48,6 @@ extern struct task_struct *_switch_to(struct task_struct *, struct task_struct * | |||
48 | (last) = _switch_to(prev, next); \ | 48 | (last) = _switch_to(prev, next); \ |
49 | } while(0) | 49 | } while(0) |
50 | 50 | ||
51 | /* interrupt control */ | ||
52 | #define local_save_flags(x) __asm__ __volatile__("ssm 0, %0" : "=r" (x) : : "memory") | ||
53 | #define local_irq_disable() __asm__ __volatile__("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory" ) | ||
54 | #define local_irq_enable() __asm__ __volatile__("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory" ) | ||
55 | |||
56 | #define local_irq_save(x) \ | ||
57 | __asm__ __volatile__("rsm %1,%0" : "=r" (x) :"i" (PSW_I) : "memory" ) | ||
58 | #define local_irq_restore(x) \ | ||
59 | __asm__ __volatile__("mtsm %0" : : "r" (x) : "memory" ) | ||
60 | |||
61 | #define irqs_disabled() \ | ||
62 | ({ \ | ||
63 | unsigned long flags; \ | ||
64 | local_save_flags(flags); \ | ||
65 | (flags & PSW_I) == 0; \ | ||
66 | }) | ||
67 | |||
68 | #define mfctl(reg) ({ \ | 51 | #define mfctl(reg) ({ \ |
69 | unsigned long cr; \ | 52 | unsigned long cr; \ |
70 | __asm__ __volatile__( \ | 53 | __asm__ __volatile__( \ |