Lines Matching refs:low
53 /* Using 64-bit values saves one instruction clearing the high half of low */
54 #define DECLARE_ARGS(val, low, high) unsigned long low, high
55 #define EAX_EDX_VAL(val, low, high) ((low) | (high) << 32)
56 #define EAX_EDX_RET(val, low, high) "=a" (low), "=d" (high)
58 #define DECLARE_ARGS(val, low, high) unsigned long long val
59 #define EAX_EDX_VAL(val, low, high) (val)
60 #define EAX_EDX_RET(val, low, high) "=A" (val)
91 DECLARE_ARGS(val, low, high);
96 : EAX_EDX_RET(val, low, high) : "c" (msr));
98 return EAX_EDX_VAL(val, low, high);
101 static __always_inline void __wrmsr(unsigned int msr, u32 low, u32 high)
106 : : "c" (msr), "a"(low), "d" (high) : "memory");
116 #define native_wrmsr(msr, low, high) \
117 __wrmsr(msr, low, high)
138 DECLARE_ARGS(val, low, high);
149 : [err] "=r" (*err), EAX_EDX_RET(val, low, high)
152 do_trace_read_msr(msr, EAX_EDX_VAL(val, low, high), *err);
153 return EAX_EDX_VAL(val, low, high);
158 native_write_msr(unsigned int msr, u32 low, u32 high)
160 __wrmsr(msr, low, high);
163 do_trace_write_msr(msr, ((u64)high << 32 | low), 0);
168 native_write_msr_safe(unsigned int msr, u32 low, u32 high)
179 : "c" (msr), "0" (low), "d" (high),
183 do_trace_write_msr(msr, ((u64)high << 32 | low), err);
201 DECLARE_ARGS(val, low, high);
203 asm volatile("rdtsc" : EAX_EDX_RET(val, low, high));
205 return EAX_EDX_VAL(val, low, high);
218 DECLARE_ARGS(val, low, high);
237 : EAX_EDX_RET(val, low, high)
241 return EAX_EDX_VAL(val, low, high);
246 DECLARE_ARGS(val, low, high);
248 asm volatile("rdpmc" : EAX_EDX_RET(val, low, high) : "c" (counter));
250 do_trace_rdpmc(counter, EAX_EDX_VAL(val, low, high), 0);
251 return EAX_EDX_VAL(val, low, high);
264 #define rdmsr(msr, low, high) \
267 (void)((low) = (u32)__val); \
271 static inline void wrmsr(unsigned int msr, u32 low, u32 high)
273 native_write_msr(msr, low, high);
285 static inline int wrmsr_safe(unsigned int msr, u32 low, u32 high)
287 return native_write_msr_safe(msr, low, high);
291 #define rdmsr_safe(msr, low, high) \
295 (*low) = (u32)__val; \
308 #define rdpmc(counter, low, high) \
311 (low) = (u32)_l; \
327 #define write_tsc(low, high) wrmsr(MSR_IA32_TSC, (low), (high))