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f64ee876 PM |
1 | #ifndef __ASM_SH_IRQFLAGS_32_H |
2 | #define __ASM_SH_IRQFLAGS_32_H | |
3 | ||
4 | static inline void raw_local_irq_enable(void) | |
5 | { | |
6 | unsigned long __dummy0, __dummy1; | |
7 | ||
8 | __asm__ __volatile__ ( | |
9 | "stc sr, %0\n\t" | |
10 | "and %1, %0\n\t" | |
11 | #ifdef CONFIG_CPU_HAS_SR_RB | |
12 | "stc r6_bank, %1\n\t" | |
13 | "or %1, %0\n\t" | |
14 | #endif | |
15 | "ldc %0, sr\n\t" | |
16 | : "=&r" (__dummy0), "=r" (__dummy1) | |
17 | : "1" (~0x000000f0) | |
18 | : "memory" | |
19 | ); | |
20 | } | |
21 | ||
22 | static inline void raw_local_irq_disable(void) | |
23 | { | |
24 | unsigned long flags; | |
25 | ||
26 | __asm__ __volatile__ ( | |
27 | "stc sr, %0\n\t" | |
28 | "or #0xf0, %0\n\t" | |
29 | "ldc %0, sr\n\t" | |
30 | : "=&z" (flags) | |
31 | : /* no inputs */ | |
32 | : "memory" | |
33 | ); | |
34 | } | |
35 | ||
36 | static inline void set_bl_bit(void) | |
37 | { | |
38 | unsigned long __dummy0, __dummy1; | |
39 | ||
40 | __asm__ __volatile__ ( | |
41 | "stc sr, %0\n\t" | |
42 | "or %2, %0\n\t" | |
43 | "and %3, %0\n\t" | |
44 | "ldc %0, sr\n\t" | |
45 | : "=&r" (__dummy0), "=r" (__dummy1) | |
46 | : "r" (0x10000000), "r" (0xffffff0f) | |
47 | : "memory" | |
48 | ); | |
49 | } | |
50 | ||
51 | static inline void clear_bl_bit(void) | |
52 | { | |
53 | unsigned long __dummy0, __dummy1; | |
54 | ||
55 | __asm__ __volatile__ ( | |
56 | "stc sr, %0\n\t" | |
57 | "and %2, %0\n\t" | |
58 | "ldc %0, sr\n\t" | |
59 | : "=&r" (__dummy0), "=r" (__dummy1) | |
60 | : "1" (~0x10000000) | |
61 | : "memory" | |
62 | ); | |
63 | } | |
64 | ||
65 | static inline unsigned long __raw_local_save_flags(void) | |
66 | { | |
67 | unsigned long flags; | |
68 | ||
69 | __asm__ __volatile__ ( | |
70 | "stc sr, %0\n\t" | |
71 | "and #0xf0, %0\n\t" | |
72 | : "=&z" (flags) | |
73 | : /* no inputs */ | |
74 | : "memory" | |
75 | ); | |
76 | ||
77 | return flags; | |
78 | } | |
79 | ||
80 | static inline unsigned long __raw_local_irq_save(void) | |
81 | { | |
82 | unsigned long flags, __dummy; | |
83 | ||
84 | __asm__ __volatile__ ( | |
85 | "stc sr, %1\n\t" | |
86 | "mov %1, %0\n\t" | |
87 | "or #0xf0, %0\n\t" | |
88 | "ldc %0, sr\n\t" | |
89 | "mov %1, %0\n\t" | |
90 | "and #0xf0, %0\n\t" | |
91 | : "=&z" (flags), "=&r" (__dummy) | |
92 | : /* no inputs */ | |
93 | : "memory" | |
94 | ); | |
95 | ||
96 | return flags; | |
97 | } | |
98 | ||
99 | #endif /* __ASM_SH_IRQFLAGS_32_H */ |