root/tools/testing/selftests/powerpc/include/reg.h

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INCLUDED FROM


   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright 2014, Michael Ellerman, IBM Corp.
   4  */
   5 
   6 #ifndef _SELFTESTS_POWERPC_REG_H
   7 #define _SELFTESTS_POWERPC_REG_H
   8 
   9 #define __stringify_1(x)        #x
  10 #define __stringify(x)          __stringify_1(x)
  11 
  12 #define mfspr(rn)       ({unsigned long rval; \
  13                          asm volatile("mfspr %0," _str(rn) \
  14                                     : "=r" (rval)); rval; })
  15 #define mtspr(rn, v)    asm volatile("mtspr " _str(rn) ",%0" : \
  16                                     : "r" ((unsigned long)(v)) \
  17                                     : "memory")
  18 
  19 #define mb()            asm volatile("sync" : : : "memory");
  20 #define barrier()       asm volatile("" : : : "memory");
  21 
  22 #define SPRN_MMCR2     769
  23 #define SPRN_MMCRA     770
  24 #define SPRN_MMCR0     779
  25 #define   MMCR0_PMAO   0x00000080
  26 #define   MMCR0_PMAE   0x04000000
  27 #define   MMCR0_FC     0x80000000
  28 #define SPRN_EBBHR     804
  29 #define SPRN_EBBRR     805
  30 #define SPRN_BESCR     806     /* Branch event status & control register */
  31 #define SPRN_BESCRS    800     /* Branch event status & control set (1 bits set to 1) */
  32 #define SPRN_BESCRSU   801     /* Branch event status & control set upper */
  33 #define SPRN_BESCRR    802     /* Branch event status & control REset (1 bits set to 0) */
  34 #define SPRN_BESCRRU   803     /* Branch event status & control REset upper */
  35 
  36 #define BESCR_PMEO     0x1     /* PMU Event-based exception Occurred */
  37 #define BESCR_PME      (0x1ul << 32) /* PMU Event-based exception Enable */
  38 
  39 #define SPRN_PMC1      771
  40 #define SPRN_PMC2      772
  41 #define SPRN_PMC3      773
  42 #define SPRN_PMC4      774
  43 #define SPRN_PMC5      775
  44 #define SPRN_PMC6      776
  45 
  46 #define SPRN_SIAR      780
  47 #define SPRN_SDAR      781
  48 #define SPRN_SIER      768
  49 
  50 #define SPRN_TEXASR     0x82    /* Transaction Exception and Status Register */
  51 #define SPRN_TFIAR      0x81    /* Transaction Failure Inst Addr    */
  52 #define SPRN_TFHAR      0x80    /* Transaction Failure Handler Addr */
  53 #define SPRN_TAR        0x32f   /* Target Address Register */
  54 
  55 #define SPRN_DSCR_PRIV 0x11     /* Privilege State DSCR */
  56 #define SPRN_DSCR      0x03     /* Data Stream Control Register */
  57 #define SPRN_PPR       896      /* Program Priority Register */
  58 #define SPRN_AMR       13       /* Authority Mask Register - problem state */
  59 
  60 /* TEXASR register bits */
  61 #define TEXASR_FC       0xFE00000000000000
  62 #define TEXASR_FP       0x0100000000000000
  63 #define TEXASR_DA       0x0080000000000000
  64 #define TEXASR_NO       0x0040000000000000
  65 #define TEXASR_FO       0x0020000000000000
  66 #define TEXASR_SIC      0x0010000000000000
  67 #define TEXASR_NTC      0x0008000000000000
  68 #define TEXASR_TC       0x0004000000000000
  69 #define TEXASR_TIC      0x0002000000000000
  70 #define TEXASR_IC       0x0001000000000000
  71 #define TEXASR_IFC      0x0000800000000000
  72 #define TEXASR_ABT      0x0000000100000000
  73 #define TEXASR_SPD      0x0000000080000000
  74 #define TEXASR_HV       0x0000000020000000
  75 #define TEXASR_PR       0x0000000010000000
  76 #define TEXASR_FS       0x0000000008000000
  77 #define TEXASR_TE       0x0000000004000000
  78 #define TEXASR_ROT      0x0000000002000000
  79 
  80 /* MSR register bits */
  81 #define MSR_TS_S_LG     33              /* Trans Mem state: Suspended */
  82 #define MSR_TS_T_LG     34              /* Trans Mem state: Active */
  83 
  84 #define __MASK(X)       (1UL<<(X))
  85 
  86 /* macro to check TM MSR bits */
  87 #define MSR_TS_S        __MASK(MSR_TS_S_LG)   /* Transaction Suspended */
  88 #define MSR_TS_T        __MASK(MSR_TS_T_LG)   /* Transaction Transactional */
  89 
  90 /* Vector Instructions */
  91 #define VSX_XX1(xs, ra, rb)     (((xs) & 0x1f) << 21 | ((ra) << 16) |  \
  92                                  ((rb) << 11) | (((xs) >> 5)))
  93 #define STXVD2X(xs, ra, rb)     .long (0x7c000798 | VSX_XX1((xs), (ra), (rb)))
  94 #define LXVD2X(xs, ra, rb)      .long (0x7c000698 | VSX_XX1((xs), (ra), (rb)))
  95 
  96 #define ASM_LOAD_GPR_IMMED(_asm_symbol_name_immed) \
  97                 "li 14, %[" #_asm_symbol_name_immed "];" \
  98                 "li 15, %[" #_asm_symbol_name_immed "];" \
  99                 "li 16, %[" #_asm_symbol_name_immed "];" \
 100                 "li 17, %[" #_asm_symbol_name_immed "];" \
 101                 "li 18, %[" #_asm_symbol_name_immed "];" \
 102                 "li 19, %[" #_asm_symbol_name_immed "];" \
 103                 "li 20, %[" #_asm_symbol_name_immed "];" \
 104                 "li 21, %[" #_asm_symbol_name_immed "];" \
 105                 "li 22, %[" #_asm_symbol_name_immed "];" \
 106                 "li 23, %[" #_asm_symbol_name_immed "];" \
 107                 "li 24, %[" #_asm_symbol_name_immed "];" \
 108                 "li 25, %[" #_asm_symbol_name_immed "];" \
 109                 "li 26, %[" #_asm_symbol_name_immed "];" \
 110                 "li 27, %[" #_asm_symbol_name_immed "];" \
 111                 "li 28, %[" #_asm_symbol_name_immed "];" \
 112                 "li 29, %[" #_asm_symbol_name_immed "];" \
 113                 "li 30, %[" #_asm_symbol_name_immed "];" \
 114                 "li 31, %[" #_asm_symbol_name_immed "];"
 115 
 116 #define ASM_LOAD_FPR_SINGLE_PRECISION(_asm_symbol_name_addr) \
 117                 "lfs 0, 0(%[" #_asm_symbol_name_addr "]);" \
 118                 "lfs 1, 0(%[" #_asm_symbol_name_addr "]);" \
 119                 "lfs 2, 0(%[" #_asm_symbol_name_addr "]);" \
 120                 "lfs 3, 0(%[" #_asm_symbol_name_addr "]);" \
 121                 "lfs 4, 0(%[" #_asm_symbol_name_addr "]);" \
 122                 "lfs 5, 0(%[" #_asm_symbol_name_addr "]);" \
 123                 "lfs 6, 0(%[" #_asm_symbol_name_addr "]);" \
 124                 "lfs 7, 0(%[" #_asm_symbol_name_addr "]);" \
 125                 "lfs 8, 0(%[" #_asm_symbol_name_addr "]);" \
 126                 "lfs 9, 0(%[" #_asm_symbol_name_addr "]);" \
 127                 "lfs 10, 0(%[" #_asm_symbol_name_addr "]);" \
 128                 "lfs 11, 0(%[" #_asm_symbol_name_addr "]);" \
 129                 "lfs 12, 0(%[" #_asm_symbol_name_addr "]);" \
 130                 "lfs 13, 0(%[" #_asm_symbol_name_addr "]);" \
 131                 "lfs 14, 0(%[" #_asm_symbol_name_addr "]);" \
 132                 "lfs 15, 0(%[" #_asm_symbol_name_addr "]);" \
 133                 "lfs 16, 0(%[" #_asm_symbol_name_addr "]);" \
 134                 "lfs 17, 0(%[" #_asm_symbol_name_addr "]);" \
 135                 "lfs 18, 0(%[" #_asm_symbol_name_addr "]);" \
 136                 "lfs 19, 0(%[" #_asm_symbol_name_addr "]);" \
 137                 "lfs 20, 0(%[" #_asm_symbol_name_addr "]);" \
 138                 "lfs 21, 0(%[" #_asm_symbol_name_addr "]);" \
 139                 "lfs 22, 0(%[" #_asm_symbol_name_addr "]);" \
 140                 "lfs 23, 0(%[" #_asm_symbol_name_addr "]);" \
 141                 "lfs 24, 0(%[" #_asm_symbol_name_addr "]);" \
 142                 "lfs 25, 0(%[" #_asm_symbol_name_addr "]);" \
 143                 "lfs 26, 0(%[" #_asm_symbol_name_addr "]);" \
 144                 "lfs 27, 0(%[" #_asm_symbol_name_addr "]);" \
 145                 "lfs 28, 0(%[" #_asm_symbol_name_addr "]);" \
 146                 "lfs 29, 0(%[" #_asm_symbol_name_addr "]);" \
 147                 "lfs 30, 0(%[" #_asm_symbol_name_addr "]);" \
 148                 "lfs 31, 0(%[" #_asm_symbol_name_addr "]);"
 149 
 150 #ifndef __ASSEMBLER__
 151 void store_gpr(unsigned long *addr);
 152 void load_gpr(unsigned long *addr);
 153 void load_fpr_single_precision(float *addr);
 154 void store_fpr_single_precision(float *addr);
 155 #endif /* end of __ASSEMBLER__ */
 156 
 157 #endif /* _SELFTESTS_POWERPC_REG_H */

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