1 #ifndef __ASM_SH_IRQFLAGS_64_H
2 #define __ASM_SH_IRQFLAGS_64_H
3
4 #include <cpu/registers.h>
5
6 #define SR_MASK_LL 0x00000000000000f0LL
7 #define SR_BL_LL 0x0000000010000000LL
8
raw_local_irq_enable(void)9 static inline void raw_local_irq_enable(void)
10 {
11 unsigned long long __dummy0, __dummy1 = ~SR_MASK_LL;
12
13 __asm__ __volatile__("getcon " __SR ", %0\n\t"
14 "and %0, %1, %0\n\t"
15 "putcon %0, " __SR "\n\t"
16 : "=&r" (__dummy0)
17 : "r" (__dummy1));
18 }
19
raw_local_irq_disable(void)20 static inline void raw_local_irq_disable(void)
21 {
22 unsigned long long __dummy0, __dummy1 = SR_MASK_LL;
23
24 __asm__ __volatile__("getcon " __SR ", %0\n\t"
25 "or %0, %1, %0\n\t"
26 "putcon %0, " __SR "\n\t"
27 : "=&r" (__dummy0)
28 : "r" (__dummy1));
29 }
30
set_bl_bit(void)31 static inline void set_bl_bit(void)
32 {
33 unsigned long long __dummy0, __dummy1 = SR_BL_LL;
34
35 __asm__ __volatile__("getcon " __SR ", %0\n\t"
36 "or %0, %1, %0\n\t"
37 "putcon %0, " __SR "\n\t"
38 : "=&r" (__dummy0)
39 : "r" (__dummy1));
40
41 }
42
clear_bl_bit(void)43 static inline void clear_bl_bit(void)
44 {
45 unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
46
47 __asm__ __volatile__("getcon " __SR ", %0\n\t"
48 "and %0, %1, %0\n\t"
49 "putcon %0, " __SR "\n\t"
50 : "=&r" (__dummy0)
51 : "r" (__dummy1));
52 }
53
__raw_local_save_flags(void)54 static inline unsigned long __raw_local_save_flags(void)
55 {
56 unsigned long long __dummy = SR_MASK_LL;
57 unsigned long flags;
58
59 __asm__ __volatile__ (
60 "getcon " __SR ", %0\n\t"
61 "and %0, %1, %0"
62 : "=&r" (flags)
63 : "r" (__dummy));
64
65 return flags;
66 }
67
__raw_local_irq_save(void)68 static inline unsigned long __raw_local_irq_save(void)
69 {
70 unsigned long long __dummy0, __dummy1 = SR_MASK_LL;
71 unsigned long flags;
72
73 __asm__ __volatile__ (
74 "getcon " __SR ", %1\n\t"
75 "or %1, r63, %0\n\t"
76 "or %1, %2, %1\n\t"
77 "putcon %1, " __SR "\n\t"
78 "and %0, %2, %0"
79 : "=&r" (flags), "=&r" (__dummy0)
80 : "r" (__dummy1));
81
82 return flags;
83 }
84
85 #endif /* __ASM_SH_IRQFLAGS_64_H */
86