| #ifndef __ASM_MSR_H |
| #define __ASM_MSR_H |
| |
| /* |
| * Access to machine-specific registers (available on 586 and better only) |
| * Note: the rd* operations modify the parameters directly (without using |
| * pointer indirection), this allows gcc to optimize better |
| */ |
| |
| #define rdmsr(msr,val1,val2) \ |
| __asm__ __volatile__("rdmsr" \ |
| : "=a" (val1), "=d" (val2) \ |
| : "c" (msr)) |
| |
| #define wrmsr(msr,val1,val2) \ |
| __asm__ __volatile__("wrmsr" \ |
| : /* no outputs */ \ |
| : "c" (msr), "a" (val1), "d" (val2)) |
| |
| #define rdmsrl(msr,val) do { \ |
| unsigned long l__,h__; \ |
| rdmsr (msr, l__, h__); \ |
| val = l__; \ |
| val |= ((u64)h__<<32); \ |
| } while(0) |
| |
| static inline void wrmsrl (unsigned long msr, unsigned long long val) |
| { |
| unsigned long lo, hi; |
| lo = (unsigned long) val; |
| hi = val >> 32; |
| wrmsr (msr, lo, hi); |
| } |
| |
| /* 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__; }) |
| |
| /* 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 write_tsc(val1,val2) wrmsr(0x10, val1, val2) |
| |
| #define rdpmc(counter,low,high) \ |
| __asm__ __volatile__("rdpmc" \ |
| : "=a" (low), "=d" (high) \ |
| : "c" (counter)) |
| |
| /* 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_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_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 |
| |
| /* 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 |
| |
| /* 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 |
| |
| #endif /* __ASM_MSR_H */ |