diff options
Diffstat (limited to 'include/asm-cris/arch-v32/system.h')
-rw-r--r-- | include/asm-cris/arch-v32/system.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/include/asm-cris/arch-v32/system.h b/include/asm-cris/arch-v32/system.h deleted file mode 100644 index 6ca90f1f110a..000000000000 --- a/include/asm-cris/arch-v32/system.h +++ /dev/null | |||
@@ -1,69 +0,0 @@ | |||
1 | #ifndef _ASM_CRIS_ARCH_SYSTEM_H | ||
2 | #define _ASM_CRIS_ARCH_SYSTEM_H | ||
3 | |||
4 | |||
5 | /* Read the CPU version register. */ | ||
6 | static inline unsigned long rdvr(void) | ||
7 | { | ||
8 | unsigned char vr; | ||
9 | |||
10 | __asm__ __volatile__ ("move $vr, %0" : "=rm" (vr)); | ||
11 | return vr; | ||
12 | } | ||
13 | |||
14 | #define cris_machine_name "crisv32" | ||
15 | |||
16 | /* Read the user-mode stack pointer. */ | ||
17 | static inline unsigned long rdusp(void) | ||
18 | { | ||
19 | unsigned long usp; | ||
20 | |||
21 | __asm__ __volatile__ ("move $usp, %0" : "=rm" (usp)); | ||
22 | return usp; | ||
23 | } | ||
24 | |||
25 | /* Read the current stack pointer. */ | ||
26 | static inline unsigned long rdsp(void) | ||
27 | { | ||
28 | unsigned long sp; | ||
29 | |||
30 | __asm__ __volatile__ ("move.d $sp, %0" : "=rm" (sp)); | ||
31 | return sp; | ||
32 | } | ||
33 | |||
34 | /* Write the user-mode stack pointer. */ | ||
35 | #define wrusp(usp) __asm__ __volatile__ ("move %0, $usp" : : "rm" (usp)) | ||
36 | |||
37 | #define nop() __asm__ __volatile__ ("nop"); | ||
38 | |||
39 | #define xchg(ptr,x) \ | ||
40 | ((__typeof__(*(ptr)))__xchg((unsigned long) (x),(ptr),sizeof(*(ptr)))) | ||
41 | |||
42 | #define tas(ptr) (xchg((ptr),1)) | ||
43 | |||
44 | struct __xchg_dummy { unsigned long a[100]; }; | ||
45 | #define __xg(x) ((struct __xchg_dummy *)(x)) | ||
46 | |||
47 | /* Used for interrupt control. */ | ||
48 | #define local_save_flags(x) \ | ||
49 | __asm__ __volatile__ ("move $ccs, %0" : "=rm" (x) : : "memory"); | ||
50 | |||
51 | #define local_irq_restore(x) \ | ||
52 | __asm__ __volatile__ ("move %0, $ccs" : : "rm" (x) : "memory"); | ||
53 | |||
54 | #define local_irq_disable() __asm__ __volatile__ ("di" : : : "memory"); | ||
55 | #define local_irq_enable() __asm__ __volatile__ ("ei" : : : "memory"); | ||
56 | |||
57 | #define irqs_disabled() \ | ||
58 | ({ \ | ||
59 | unsigned long flags; \ | ||
60 | \ | ||
61 | local_save_flags(flags);\ | ||
62 | !(flags & (1 << I_CCS_BITNR)); \ | ||
63 | }) | ||
64 | |||
65 | /* Used for spinlocks, etc. */ | ||
66 | #define local_irq_save(x) \ | ||
67 | __asm__ __volatile__ ("move $ccs, %0\n\tdi" : "=rm" (x) : : "memory"); | ||
68 | |||
69 | #endif /* _ASM_CRIS_ARCH_SYSTEM_H */ | ||