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Diffstat (limited to 'include/asm-i386/msr.h')
-rw-r--r--include/asm-i386/msr.h49
1 files changed, 22 insertions, 27 deletions
diff --git a/include/asm-i386/msr.h b/include/asm-i386/msr.h
index c70773e2ff94..df21ea049369 100644
--- a/include/asm-i386/msr.h
+++ b/include/asm-i386/msr.h
@@ -86,55 +86,50 @@ static inline unsigned long long native_read_pmc(void)
86 86
87#define rdmsr(msr,val1,val2) \ 87#define rdmsr(msr,val1,val2) \
88 do { \ 88 do { \
89 unsigned long long __val = native_read_msr(msr); \ 89 u64 __val = native_read_msr(msr); \
90 val1 = __val; \ 90 (val1) = (u32)__val; \
91 val2 = __val >> 32; \ 91 (val2) = (u32)(__val >> 32); \
92 } while(0) 92 } while(0)
93 93
94#define wrmsr(msr,val1,val2) \ 94static inline void wrmsr(u32 __msr, u32 __low, u32 __high)
95 native_write_msr(msr, ((unsigned long long)val2 << 32) | val1)
96
97#define rdmsrl(msr,val) \
98 do { \
99 (val) = native_read_msr(msr); \
100 } while(0)
101
102static inline void wrmsrl (unsigned long msr, unsigned long long val)
103{ 95{
104 unsigned long lo, hi; 96 native_write_msr(__msr, ((u64)__high << 32) | __low);
105 lo = (unsigned long) val;
106 hi = val >> 32;
107 wrmsr (msr, lo, hi);
108} 97}
109 98
99#define rdmsrl(msr,val) \
100 ((val) = native_read_msr(msr))
101
102#define wrmsrl(msr,val) native_write_msr(msr, val)
103
110/* wrmsr with exception handling */ 104/* wrmsr with exception handling */
111#define wrmsr_safe(msr,val1,val2) \ 105static inline int wrmsr_safe(u32 __msr, u32 __low, u32 __high)
112 (native_write_msr_safe(msr, ((unsigned long long)val2 << 32) | val1)) 106{
107 return native_write_msr_safe(__msr, ((u64)__high << 32) | __low);
108}
113 109
114/* rdmsr with exception handling */ 110/* rdmsr with exception handling */
115#define rdmsr_safe(msr,p1,p2) \ 111#define rdmsr_safe(msr,p1,p2) \
116 ({ \ 112 ({ \
117 int __err; \ 113 int __err; \
118 unsigned long long __val = native_read_msr_safe(msr, &__err);\ 114 u64 __val = native_read_msr_safe(msr, &__err); \
119 (*p1) = __val; \ 115 (*p1) = (u32)__val; \
120 (*p2) = __val >> 32; \ 116 (*p2) = (u32)(__val >> 32); \
121 __err; \ 117 __err; \
122 }) 118 })
123 119
124#define rdtscl(low) \ 120#define rdtscl(low) \
125 do { \ 121 ((low) = (u32)native_read_tsc())
126 (low) = native_read_tsc(); \
127 } while(0)
128 122
129#define rdtscll(val) ((val) = native_read_tsc()) 123#define rdtscll(val) \
124 ((val) = native_read_tsc())
130 125
131#define write_tsc(val1,val2) wrmsr(0x10, val1, val2) 126#define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
132 127
133#define rdpmc(counter,low,high) \ 128#define rdpmc(counter,low,high) \
134 do { \ 129 do { \
135 u64 _l = native_read_pmc(); \ 130 u64 _l = native_read_pmc(); \
136 low = (u32)_l; \ 131 (low) = (u32)_l; \
137 high = _l >> 32; \ 132 (high) = (u32)(_l >> 32); \
138 } while(0) 133 } while(0)
139#endif /* !CONFIG_PARAVIRT */ 134#endif /* !CONFIG_PARAVIRT */
140 135