Merge branch 'linux-2.6'

1 files changed, 117 insertions, 283 deletions

diff --git a/include/asm-i386/msr.h b/include/asm-i386/msr.h
index 2ad3f30b1a6..9559894c765 100644
--- a/include/asm-i386/msr.h
+++ b/include/asm-i386/msr.h
@@ -1,6 +1,79 @@
 #ifndef __ASM_MSR_H
 #define __ASM_MSR_H
 
+#include <asm/msr-index.h>
+
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
+
+#include <asm/errno.h>
+
+static inline unsigned long long native_read_msr(unsigned int msr)
+{
+	unsigned long long val;
+
+	asm volatile("rdmsr" : "=A" (val) : "c" (msr));
+	return val;
+}
+
+static inline unsigned long long native_read_msr_safe(unsigned int msr,
+						      int *err)
+{
+	unsigned long long val;
+
+	asm volatile("2: rdmsr ; xorl %0,%0\n"
+		     "1:\n\t"
+		     ".section .fixup,\"ax\"\n\t"
+		     "3:  movl %3,%0 ; jmp 1b\n\t"
+		     ".previous\n\t"
+ 		     ".section __ex_table,\"a\"\n"
+		     "   .align 4\n\t"
+		     "   .long 	2b,3b\n\t"
+		     ".previous"
+		     : "=r" (*err), "=A" (val)
+		     : "c" (msr), "i" (-EFAULT));
+
+	return val;
+}
+
+static inline void native_write_msr(unsigned int msr, unsigned long long val)
+{
+	asm volatile("wrmsr" : : "c" (msr), "A"(val));
+}
+
+static inline int native_write_msr_safe(unsigned int msr,
+					unsigned long long val)
+{
+	int err;
+	asm volatile("2: wrmsr ; xorl %0,%0\n"
+		     "1:\n\t"
+		     ".section .fixup,\"ax\"\n\t"
+		     "3:  movl %4,%0 ; jmp 1b\n\t"
+		     ".previous\n\t"
+ 		     ".section __ex_table,\"a\"\n"
+		     "   .align 4\n\t"
+		     "   .long 	2b,3b\n\t"
+		     ".previous"
+		     : "=a" (err)
+		     : "c" (msr), "0" ((u32)val), "d" ((u32)(val>>32)),
+		       "i" (-EFAULT));
+	return err;
+}
+
+static inline unsigned long long native_read_tsc(void)
+{
+	unsigned long long val;
+	asm volatile("rdtsc" : "=A" (val));
+	return val;
+}
+
+static inline unsigned long long native_read_pmc(void)
+{
+	unsigned long long val;
+	asm volatile("rdpmc" : "=A" (val));
+	return val;
+}
+
 #ifdef CONFIG_PARAVIRT
 #include <asm/paravirt.h>
 #else
@@ -11,22 +84,20 @@
  * pointer indirection), this allows gcc to optimize better
  */
 
-#define rdmsr(msr,val1,val2) \
-	__asm__ __volatile__("rdmsr" \
-			  : "=a" (val1), "=d" (val2) \
-			  : "c" (msr))
+#define rdmsr(msr,val1,val2)						\
+	do {								\
+		unsigned long long __val = native_read_msr(msr);	\
+		val1 = __val;						\
+		val2 = __val >> 32;					\
+	} while(0)
 
-#define wrmsr(msr,val1,val2) \
-	__asm__ __volatile__("wrmsr" \
-			  : /* no outputs */ \
-			  : "c" (msr), "a" (val1), "d" (val2))
+#define wrmsr(msr,val1,val2)						\
+	native_write_msr(msr, ((unsigned long long)val2 << 32) | val1)
 
-#define rdmsrl(msr,val) do { \
-	unsigned long l__,h__; \
-	rdmsr (msr, l__, h__);  \
-	val = l__;  \
-	val |= ((u64)h__<<32);  \
-} while(0)
+#define rdmsrl(msr,val)					\
+	do {						\
+		(val) = native_read_msr(msr);		\
+	} while(0)
 
 static inline void wrmsrl (unsigned long msr, unsigned long long val)
 {
@@ -37,50 +108,41 @@ static inline void wrmsrl (unsigned long msr, unsigned long long val)
 }
 
 /* wrmsr with exception handling */
-#define wrmsr_safe(msr,a,b) ({ int ret__;						\
-	asm volatile("2: wrmsr ; xorl %0,%0\n"						\
-		     "1:\n\t"								\
-		     ".section .fixup,\"ax\"\n\t"					\
-		     "3:  movl %4,%0 ; jmp 1b\n\t"					\
-		     ".previous\n\t"							\
- 		     ".section __ex_table,\"a\"\n"					\
-		     "   .align 4\n\t"							\
-		     "   .long 	2b,3b\n\t"						\
-		     ".previous"							\
-		     : "=a" (ret__)							\
-		     : "c" (msr), "0" (a), "d" (b), "i" (-EFAULT));\
-	ret__; })
+#define wrmsr_safe(msr,val1,val2)						\
+	(native_write_msr_safe(msr, ((unsigned long long)val2 << 32) | val1))
 
 /* rdmsr with exception handling */
-#define rdmsr_safe(msr,a,b) ({ int ret__;						\
-	asm volatile("2: rdmsr ; xorl %0,%0\n"						\
-		     "1:\n\t"								\
-		     ".section .fixup,\"ax\"\n\t"					\
-		     "3:  movl %4,%0 ; jmp 1b\n\t"					\
-		     ".previous\n\t"							\
- 		     ".section __ex_table,\"a\"\n"					\
-		     "   .align 4\n\t"							\
-		     "   .long 	2b,3b\n\t"						\
-		     ".previous"							\
-		     : "=r" (ret__), "=a" (*(a)), "=d" (*(b))				\
-		     : "c" (msr), "i" (-EFAULT));\
-	ret__; })
-
-#define rdtsc(low,high) \
-     __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high))
-
-#define rdtscl(low) \
-     __asm__ __volatile__("rdtsc" : "=a" (low) : : "edx")
-
-#define rdtscll(val) \
-     __asm__ __volatile__("rdtsc" : "=A" (val))
+#define rdmsr_safe(msr,p1,p2)						\
+	({								\
+		int __err;						\
+		unsigned long long __val = native_read_msr_safe(msr, &__err);\
+		(*p1) = __val;						\
+		(*p2) = __val >> 32;					\
+		__err;							\
+	})
+
+#define rdtsc(low,high)						\
+	do {							\
+		u64 _l = native_read_tsc();			\
+		(low) = (u32)_l;				\
+		(high) = _l >> 32;				\
+	} while(0)
+
+#define rdtscl(low)						\
+	do {							\
+		(low) = native_read_tsc();			\
+	} while(0)
+
+#define rdtscll(val) ((val) = native_read_tsc())
 
 #define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
 
-#define rdpmc(counter,low,high) \
-     __asm__ __volatile__("rdpmc" \
-			  : "=a" (low), "=d" (high) \
-			  : "c" (counter))
+#define rdpmc(counter,low,high)					\
+	do {							\
+		u64 _l = native_read_pmc();			\
+		low = (u32)_l;					\
+		high = _l >> 32;				\
+	} while(0)
 #endif	/* !CONFIG_PARAVIRT */
 
 #ifdef CONFIG_SMP
@@ -96,234 +158,6 @@ static inline void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
 	wrmsr(msr_no, l, h);
 }
 #endif  /*  CONFIG_SMP  */
-
-/* symbolic names for some interesting MSRs */
-/* Intel defined MSRs. */
-#define MSR_IA32_P5_MC_ADDR		0
-#define MSR_IA32_P5_MC_TYPE		1
-#define MSR_IA32_PLATFORM_ID		0x17
-#define MSR_IA32_EBL_CR_POWERON		0x2a
-
-#define MSR_IA32_APICBASE		0x1b
-#define MSR_IA32_APICBASE_BSP		(1<<8)
-#define MSR_IA32_APICBASE_ENABLE	(1<<11)
-#define MSR_IA32_APICBASE_BASE		(0xfffff<<12)
-
-#define MSR_IA32_UCODE_WRITE		0x79
-#define MSR_IA32_UCODE_REV		0x8b
-
-#define MSR_P6_PERFCTR0		0xc1
-#define MSR_P6_PERFCTR1		0xc2
-#define MSR_FSB_FREQ		0xcd
-
-
-#define MSR_IA32_BBL_CR_CTL		0x119
-
-#define MSR_IA32_SYSENTER_CS		0x174
-#define MSR_IA32_SYSENTER_ESP		0x175
-#define MSR_IA32_SYSENTER_EIP		0x176
-
-#define MSR_IA32_MCG_CAP		0x179
-#define MSR_IA32_MCG_STATUS		0x17a
-#define MSR_IA32_MCG_CTL		0x17b
-
-/* P4/Xeon+ specific */
-#define MSR_IA32_MCG_EAX		0x180
-#define MSR_IA32_MCG_EBX		0x181
-#define MSR_IA32_MCG_ECX		0x182
-#define MSR_IA32_MCG_EDX		0x183
-#define MSR_IA32_MCG_ESI		0x184
-#define MSR_IA32_MCG_EDI		0x185
-#define MSR_IA32_MCG_EBP		0x186
-#define MSR_IA32_MCG_ESP		0x187
-#define MSR_IA32_MCG_EFLAGS		0x188
-#define MSR_IA32_MCG_EIP		0x189
-#define MSR_IA32_MCG_RESERVED		0x18A
-
-#define MSR_P6_EVNTSEL0			0x186
-#define MSR_P6_EVNTSEL1			0x187
-
-#define MSR_IA32_PERF_STATUS		0x198
-#define MSR_IA32_PERF_CTL		0x199
-
-#define MSR_IA32_MPERF			0xE7
-#define MSR_IA32_APERF			0xE8
-
-#define MSR_IA32_THERM_CONTROL		0x19a
-#define MSR_IA32_THERM_INTERRUPT	0x19b
-#define MSR_IA32_THERM_STATUS		0x19c
-#define MSR_IA32_MISC_ENABLE		0x1a0
-
-#define MSR_IA32_DEBUGCTLMSR		0x1d9
-#define MSR_IA32_LASTBRANCHFROMIP	0x1db
-#define MSR_IA32_LASTBRANCHTOIP		0x1dc
-#define MSR_IA32_LASTINTFROMIP		0x1dd
-#define MSR_IA32_LASTINTTOIP		0x1de
-
-#define MSR_IA32_MC0_CTL		0x400
-#define MSR_IA32_MC0_STATUS		0x401
-#define MSR_IA32_MC0_ADDR		0x402
-#define MSR_IA32_MC0_MISC		0x403
-
-#define MSR_IA32_PEBS_ENABLE		0x3f1
-#define MSR_IA32_DS_AREA		0x600
-#define MSR_IA32_PERF_CAPABILITIES	0x345
-
-/* Pentium IV performance counter MSRs */
-#define MSR_P4_BPU_PERFCTR0 		0x300
-#define MSR_P4_BPU_PERFCTR1 		0x301
-#define MSR_P4_BPU_PERFCTR2 		0x302
-#define MSR_P4_BPU_PERFCTR3 		0x303
-#define MSR_P4_MS_PERFCTR0 		0x304
-#define MSR_P4_MS_PERFCTR1 		0x305
-#define MSR_P4_MS_PERFCTR2 		0x306
-#define MSR_P4_MS_PERFCTR3 		0x307
-#define MSR_P4_FLAME_PERFCTR0 		0x308
-#define MSR_P4_FLAME_PERFCTR1 		0x309
-#define MSR_P4_FLAME_PERFCTR2 		0x30a
-#define MSR_P4_FLAME_PERFCTR3 		0x30b
-#define MSR_P4_IQ_PERFCTR0 		0x30c
-#define MSR_P4_IQ_PERFCTR1 		0x30d
-#define MSR_P4_IQ_PERFCTR2 		0x30e
-#define MSR_P4_IQ_PERFCTR3 		0x30f
-#define MSR_P4_IQ_PERFCTR4 		0x310
-#define MSR_P4_IQ_PERFCTR5 		0x311
-#define MSR_P4_BPU_CCCR0 		0x360
-#define MSR_P4_BPU_CCCR1 		0x361
-#define MSR_P4_BPU_CCCR2 		0x362
-#define MSR_P4_BPU_CCCR3 		0x363
-#define MSR_P4_MS_CCCR0 		0x364
-#define MSR_P4_MS_CCCR1 		0x365
-#define MSR_P4_MS_CCCR2 		0x366
-#define MSR_P4_MS_CCCR3 		0x367
-#define MSR_P4_FLAME_CCCR0 		0x368
-#define MSR_P4_FLAME_CCCR1 		0x369
-#define MSR_P4_FLAME_CCCR2 		0x36a
-#define MSR_P4_FLAME_CCCR3 		0x36b
-#define MSR_P4_IQ_CCCR0 		0x36c
-#define MSR_P4_IQ_CCCR1 		0x36d
-#define MSR_P4_IQ_CCCR2 		0x36e
-#define MSR_P4_IQ_CCCR3 		0x36f
-#define MSR_P4_IQ_CCCR4 		0x370
-#define MSR_P4_IQ_CCCR5 		0x371
-#define MSR_P4_ALF_ESCR0 		0x3ca
-#define MSR_P4_ALF_ESCR1 		0x3cb
-#define MSR_P4_BPU_ESCR0 		0x3b2
-#define MSR_P4_BPU_ESCR1 		0x3b3
-#define MSR_P4_BSU_ESCR0 		0x3a0
-#define MSR_P4_BSU_ESCR1 		0x3a1
-#define MSR_P4_CRU_ESCR0 		0x3b8
-#define MSR_P4_CRU_ESCR1 		0x3b9
-#define MSR_P4_CRU_ESCR2 		0x3cc
-#define MSR_P4_CRU_ESCR3 		0x3cd
-#define MSR_P4_CRU_ESCR4 		0x3e0
-#define MSR_P4_CRU_ESCR5 		0x3e1
-#define MSR_P4_DAC_ESCR0 		0x3a8
-#define MSR_P4_DAC_ESCR1 		0x3a9
-#define MSR_P4_FIRM_ESCR0 		0x3a4
-#define MSR_P4_FIRM_ESCR1 		0x3a5
-#define MSR_P4_FLAME_ESCR0 		0x3a6
-#define MSR_P4_FLAME_ESCR1 		0x3a7
-#define MSR_P4_FSB_ESCR0 		0x3a2
-#define MSR_P4_FSB_ESCR1 		0x3a3
-#define MSR_P4_IQ_ESCR0 		0x3ba
-#define MSR_P4_IQ_ESCR1 		0x3bb
-#define MSR_P4_IS_ESCR0 		0x3b4
-#define MSR_P4_IS_ESCR1 		0x3b5
-#define MSR_P4_ITLB_ESCR0 		0x3b6
-#define MSR_P4_ITLB_ESCR1 		0x3b7
-#define MSR_P4_IX_ESCR0 		0x3c8
-#define MSR_P4_IX_ESCR1 		0x3c9
-#define MSR_P4_MOB_ESCR0 		0x3aa
-#define MSR_P4_MOB_ESCR1 		0x3ab
-#define MSR_P4_MS_ESCR0 		0x3c0
-#define MSR_P4_MS_ESCR1 		0x3c1
-#define MSR_P4_PMH_ESCR0 		0x3ac
-#define MSR_P4_PMH_ESCR1 		0x3ad
-#define MSR_P4_RAT_ESCR0 		0x3bc
-#define MSR_P4_RAT_ESCR1 		0x3bd
-#define MSR_P4_SAAT_ESCR0 		0x3ae
-#define MSR_P4_SAAT_ESCR1 		0x3af
-#define MSR_P4_SSU_ESCR0 		0x3be
-#define MSR_P4_SSU_ESCR1 		0x3bf    /* guess: not defined in manual */
-#define MSR_P4_TBPU_ESCR0 		0x3c2
-#define MSR_P4_TBPU_ESCR1 		0x3c3
-#define MSR_P4_TC_ESCR0 		0x3c4
-#define MSR_P4_TC_ESCR1 		0x3c5
-#define MSR_P4_U2L_ESCR0 		0x3b0
-#define MSR_P4_U2L_ESCR1 		0x3b1
-
-/* AMD Defined MSRs */
-#define MSR_K6_EFER			0xC0000080
-#define MSR_K6_STAR			0xC0000081
-#define MSR_K6_WHCR			0xC0000082
-#define MSR_K6_UWCCR			0xC0000085
-#define MSR_K6_EPMR			0xC0000086
-#define MSR_K6_PSOR			0xC0000087
-#define MSR_K6_PFIR			0xC0000088
-
-#define MSR_K7_EVNTSEL0			0xC0010000
-#define MSR_K7_EVNTSEL1			0xC0010001
-#define MSR_K7_EVNTSEL2			0xC0010002
-#define MSR_K7_EVNTSEL3			0xC0010003
-#define MSR_K7_PERFCTR0			0xC0010004
-#define MSR_K7_PERFCTR1			0xC0010005
-#define MSR_K7_PERFCTR2			0xC0010006
-#define MSR_K7_PERFCTR3			0xC0010007
-#define MSR_K7_HWCR			0xC0010015
-#define MSR_K7_CLK_CTL			0xC001001b
-#define MSR_K7_FID_VID_CTL		0xC0010041
-#define MSR_K7_FID_VID_STATUS		0xC0010042
-
-#define MSR_K8_ENABLE_C1E		0xC0010055
-
-/* extended feature register */
-#define MSR_EFER 			0xc0000080
-
-/* EFER bits: */
-
-/* Execute Disable enable */
-#define _EFER_NX			11
-#define EFER_NX				(1<<_EFER_NX)
-
-/* Centaur-Hauls/IDT defined MSRs. */
-#define MSR_IDT_FCR1			0x107
-#define MSR_IDT_FCR2			0x108
-#define MSR_IDT_FCR3			0x109
-#define MSR_IDT_FCR4			0x10a
-
-#define MSR_IDT_MCR0			0x110
-#define MSR_IDT_MCR1			0x111
-#define MSR_IDT_MCR2			0x112
-#define MSR_IDT_MCR3			0x113
-#define MSR_IDT_MCR4			0x114
-#define MSR_IDT_MCR5			0x115
-#define MSR_IDT_MCR6			0x116
-#define MSR_IDT_MCR7			0x117
-#define MSR_IDT_MCR_CTRL		0x120
-
-/* VIA Cyrix defined MSRs*/
-#define MSR_VIA_FCR			0x1107
-#define MSR_VIA_LONGHAUL		0x110a
-#define MSR_VIA_RNG			0x110b
-#define MSR_VIA_BCR2			0x1147
-
-/* Transmeta defined MSRs */
-#define MSR_TMTA_LONGRUN_CTRL		0x80868010
-#define MSR_TMTA_LONGRUN_FLAGS		0x80868011
-#define MSR_TMTA_LRTI_READOUT		0x80868018
-#define MSR_TMTA_LRTI_VOLT_MHZ		0x8086801a
-
-/* Intel Core-based CPU performance counters */
-#define MSR_CORE_PERF_FIXED_CTR0	0x309
-#define MSR_CORE_PERF_FIXED_CTR1	0x30a
-#define MSR_CORE_PERF_FIXED_CTR2	0x30b
-#define MSR_CORE_PERF_FIXED_CTR_CTRL	0x38d
-#define MSR_CORE_PERF_GLOBAL_STATUS	0x38e
-#define MSR_CORE_PERF_GLOBAL_CTRL	0x38f
-#define MSR_CORE_PERF_GLOBAL_OVF_CTRL	0x390
-
-/* Geode defined MSRs */
-#define MSR_GEODE_BUSCONT_CONF0         0x1900
-
+#endif
+#endif
 #endif /* __ASM_MSR_H */