diff options
Diffstat (limited to 'src/include/cpu/amd')
| -rw-r--r-- | src/include/cpu/amd/amdfam15.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/include/cpu/amd/amdfam15.h b/src/include/cpu/amd/amdfam15.h index 1441c05e72..271af8aef5 100644 --- a/src/include/cpu/amd/amdfam15.h +++ b/src/include/cpu/amd/amdfam15.h @@ -16,13 +16,179 @@ #ifndef CPU_AMD_FAM15_H #define CPU_AMD_FAM15_H +#include <types.h> +#include <cpu/x86/msr.h> + #define MCG_CAP 0x00000179 # define MCA_BANKS_MASK 0xff #define MC0_CTL 0x00000400 #define MC0_STATUS 0x00000401 +# define MCA_STATUS_HI_VAL BIT(63 - 32) +# define MCA_STATUS_HI_OVERFLOW BIT(62 - 32) +# define MCA_STATUS_HI_UC BIT(61 - 32) +# define MCA_STATUS_HI_EN BIT(60 - 32) +# define MCA_STATUS_HI_MISCV BIT(59 - 32) +# define MCA_STATUS_HI_ADDRV BIT(58 - 32) +# define MCA_STATUS_HI_PCC BIT(57 - 32) +# define MCA_STATUS_HI_COREID_VAL BIT(56 - 32) +# define MCA_STATUS_HI_CECC BIT(46 - 32) +# define MCA_STATUS_HI_UECC BIT(45 - 32) +# define MCA_STATUS_HI_DEFERRED BIT(44 - 32) +# define MCA_STATUS_HI_POISON BIT(43 - 32) +# define MCA_STATUS_HI_SUBLINK BIT(41 - 32) +# define MCA_STATUS_HI_ERRCOREID_MASK (0xf << 0) +# define MCA_STATUS_LO_ERRCODE_EXT_SH 16 +# define MCA_STATUS_LO_ERRCODE_EXT_MASK (0x3f << MCA_STATUS_LO_ERRCODE_EXT_SH) +# define MCA_STATUS_LO_ERRCODE_MASK (0xffff << 0) #define MC0_ADDR 0x00000402 #define MC0_MISC 0x00000403 #define MC0_CTL_MASK 0xC0010044 + +/* Helpers for interpreting MC[i]_STATUS */ + +static inline int mca_valid(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_VAL); +} + +static inline int mca_over(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_OVERFLOW); +} + +static inline int mca_uc(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_UC); +} + +static inline int mca_en(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_EN); +} + +static inline int mca_miscv(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_MISCV); +} + +static inline int mca_addrv(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_ADDRV); +} + +static inline int mca_pcc(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_PCC); +} + +static inline int mca_idv(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_COREID_VAL); +} + +static inline int mca_cecc(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_CECC); +} + +static inline int mca_uecc(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_UECC); +} + +static inline int mca_defd(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_DEFERRED); +} + +static inline int mca_poison(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_POISON); +} + +static inline int mca_sublink(msr_t msr) +{ + return !!(msr.hi & MCA_STATUS_HI_SUBLINK); +} + +static inline uint16_t mca_err_code(msr_t reg) +{ + return reg.lo & MCA_STATUS_LO_ERRCODE_MASK; +} + +static inline uint16_t mca_err_extcode(msr_t reg) +{ + return reg.lo & MCA_STATUS_LO_ERRCODE_EXT_MASK; +} + +/* Machine Check errors may be categorized by type, as determined by the + * Error Code field of MC[i]_STATUS. The definitions below can typically + * be found by searching the BKDG for a table called "Error Code Types". + */ +/* TLB Errors 0000 0000 0001 TTLL */ +#define MCA_ERRCODE_TLB_DETECT 0xfff0 +#define MCA_ERRCODE_TLB_TT_SH 2 /* Transaction Type */ +#define MCA_ERRCODE_TLB_TT_MASK (0x3 << MCA_ERRCODE_TLB_TT_SH) +#define MCA_ERRCODE_TLB_LL_SH 0 /* Cache Level */ +#define MCA_ERRCODE_TLB_LL_MASK (0x3 << MCA_ERRCODE_TLB_LL_SH) + +/* Memory Errors 0000 0001 RRRR TTLL */ +#define MCA_ERRCODE_MEM_DETECT 0xff00 +#define MCA_ERRCODE_MEM_RRRR_SH 4 /* Memory Transaction Type */ +#define MCA_ERRCODE_MEM_RRRR_MASK (0xf << MCA_ERRCODE_MEM_RRRR_MASK) +#define MCA_ERRCODE_MEM_TT_SH 2 /* Transaction Type */ +#define MCA_ERRCODE_MEM_TT_MASK (0x3 << MCA_ERRCODE_MEM_TT_SH) +#define MCA_ERRCODE_MEM_LL_SH 0 /* Cache Level */ +#define MCA_ERRCODE_MEM_LL_MASK (0x3 << MCA_ERRCODE_MEM_LL_SH) + +/* Bus Errors 0000 1PPT RRRR IILL */ +#define MCA_ERRCODE_BUS_DETECT 0xf800 +#define MCA_ERRCODE_BUS_PP_SH 9 /* Participation Processor */ +#define MCA_ERRCODE_BUS_PP_MASK (0x3 << MCA_ERRCODE_BUS_PP_SH) +#define MCA_ERRCODE_BUS_T_SH 8 /* Timeout */ +#define MCA_ERRCODE_BUS_T_MASK (0x1 << MCA_ERRCODE_BUS_T_SH) +#define MCA_ERRCODE_BUS_RRRR_SH 4 /* Memory Transaction Type */ +#define MCA_ERRCODE_BUS_RRRR_MASK (0xf << MCA_ERRCODE_BUS_RRRR_SH) +#define MCA_ERRCODE_BUS_II_SH 2 /* Memory or IO */ +#define MCA_ERRCODE_BUS_II_MASK (0x3 << MCA_ERRCODE_BUS_II_SH) +#define MCA_ERRCODE_BUS_LL_SH 0 /* Cache Level */ +#define MCA_ERRCODE_BUS_LL_MASK (0x3 << MCA_ERRCODE_BUS_LL_SH) + +/* Int. Unclassified Errors 0000 01UU 0000 0000 */ +#define MCA_ERRCODE_INT_DETECT 0xfc00 +#define MCA_ERRCODE_INT_UU_SH 8 /* Internal Error Type */ +#define MCA_ERRCODE_INT_UU_MASK (0x3 << MCA_ERRCODE_INT_UU_SH) + +#define MCA_BANK_LS 0 /* Load-store, including DC */ +#define MCA_BANK_IF 1 /* Instruction Fetch, including IC */ +#define MCA_BANK_CU 2 /* Combined Unit, including L2 */ +/* bank 3 reserved */ +#define MCA_BANK_NB 4 /* Northbridge, including IO link */ +#define MCA_BANK_EX 5 /* Execution Unit */ +#define MCA_BANK_FP 6 /* Floating Point */ + +enum mca_err_code_types { + MCA_ERRTYPE_UNKNOWN, + MCA_ERRTYPE_TLB, + MCA_ERRTYPE_MEM, + MCA_ERRTYPE_BUS, + MCA_ERRTYPE_INT +}; + +static inline enum mca_err_code_types mca_err_type(msr_t reg) +{ + uint16_t error = mca_err_code(reg); + if (error & MCA_ERRCODE_BUS_DETECT) /* this order must be maintained */ + return MCA_ERRTYPE_BUS; + if (error & MCA_ERRCODE_INT_DETECT) + return MCA_ERRTYPE_INT; + if (error & MCA_ERRCODE_MEM_DETECT) + return MCA_ERRTYPE_MEM; + if (error & MCA_ERRCODE_TLB_DETECT) + return MCA_ERRTYPE_TLB; + return MCA_ERRTYPE_UNKNOWN; +} + #define MSR_SMM_BASE 0xC0010111 #define MSR_TSEG_BASE 0xC0010112 #define MSR_SMM_MASK 0xC0010113 |