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

   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_HDEXCR_RO 455      /* Userspace readonly view of SPRN_HDEXCR (471) */
  23
  24 #define SPRN_MMCR2     769
  25 #define SPRN_MMCRA     770
  26 #define SPRN_MMCR0     779
  27 #define   MMCR0_PMAO   0x00000080
  28 #define   MMCR0_PMAE   0x04000000
  29 #define   MMCR0_FC     0x80000000
  30 #define SPRN_EBBHR     804
  31 #define SPRN_EBBRR     805
  32 #define SPRN_BESCR     806     /* Branch event status & control register */
  33 #define SPRN_BESCRS    800     /* Branch event status & control set (1 bits set to 1) */
  34 #define SPRN_BESCRSU   801     /* Branch event status & control set upper */
  35 #define SPRN_BESCRR    802     /* Branch event status & control REset (1 bits set to 0) */
  36 #define SPRN_BESCRRU   803     /* Branch event status & control REset upper */
  37
  38 #define BESCR_PMEO     0x1     /* PMU Event-based exception Occurred */
  39 #define BESCR_PME      (0x1ul << 32) /* PMU Event-based exception Enable */
  40
  41 #define SPRN_PMC1      771
  42 #define SPRN_PMC2      772
  43 #define SPRN_PMC3      773
  44 #define SPRN_PMC4      774
  45 #define SPRN_PMC5      775
  46 #define SPRN_PMC6      776
  47
  48 #define SPRN_SIAR      780
  49 #define SPRN_SDAR      781
  50 #define SPRN_SIER      768
  51
  52 #define SPRN_DEXCR_RO  812      /* Userspace readonly view of SPRN_DEXCR (828) */
  53
  54 #define SPRN_TEXASR     0x82    /* Transaction Exception and Status Register */
  55 #define SPRN_TFIAR      0x81    /* Transaction Failure Inst Addr    */
  56 #define SPRN_TFHAR      0x80    /* Transaction Failure Handler Addr */
  57 #define SPRN_TAR        0x32f   /* Target Address Register */
  58
  59 #define PVR_VER(pvr)    (((pvr) >>  16) & 0xFFFF)
  60 #define SPRN_PVR        0x11F
  61
  62 #define PVR_CFG(pvr)    (((pvr) >>  8) & 0xF)   /* Configuration field */
  63 #define PVR_MAJ(pvr)    (((pvr) >>  4) & 0xF)   /* Major revision field */
  64 #define PVR_MIN(pvr)    (((pvr) >>  0) & 0xF)   /* Minor revision field */
  65
  66 #define SPRN_DSCR_PRIV 0x11     /* Privilege State DSCR */
  67 #define SPRN_DSCR      0x03     /* Data Stream Control Register */
  68 #define SPRN_PPR       896      /* Program Priority Register */
  69 #define SPRN_AMR       13       /* Authority Mask Register - problem state */
  70
  71 #define set_amr(v)      asm volatile("isync;" \
  72                                      "mtspr " __stringify(SPRN_AMR) ",%0;" \
  73                                      "isync" : \
  74                                     : "r" ((unsigned long)(v)) \
  75                                     : "memory")
  76
  77 /* TEXASR register bits */
  78 #define TEXASR_FC       0xFE00000000000000
  79 #define TEXASR_FP       0x0100000000000000
  80 #define TEXASR_DA       0x0080000000000000
  81 #define TEXASR_NO       0x0040000000000000
  82 #define TEXASR_FO       0x0020000000000000
  83 #define TEXASR_SIC      0x0010000000000000
  84 #define TEXASR_NTC      0x0008000000000000
  85 #define TEXASR_TC       0x0004000000000000
  86 #define TEXASR_TIC      0x0002000000000000
  87 #define TEXASR_IC       0x0001000000000000
  88 #define TEXASR_IFC      0x0000800000000000
  89 #define TEXASR_ABT      0x0000000100000000
  90 #define TEXASR_SPD      0x0000000080000000
  91 #define TEXASR_HV       0x0000000020000000
  92 #define TEXASR_PR       0x0000000010000000
  93 #define TEXASR_FS       0x0000000008000000
  94 #define TEXASR_TE       0x0000000004000000
  95 #define TEXASR_ROT      0x0000000002000000
  96
  97 /* MSR register bits */
  98 #define MSR_HV          (1ul << 60)     /* Hypervisor state */
  99 #define MSR_TS_S_LG     33              /* Trans Mem state: Suspended */
 100 #define MSR_TS_T_LG     34              /* Trans Mem state: Active */
 101
 102 #define __MASK(X)       (1UL<<(X))
 103
 104 /* macro to check TM MSR bits */
 105 #define MSR_TS_S        __MASK(MSR_TS_S_LG)   /* Transaction Suspended */
 106 #define MSR_TS_T        __MASK(MSR_TS_T_LG)   /* Transaction Transactional */
 107
 108 /* Vector Instructions */
 109 #define VSX_XX1(xs, ra, rb)     (((xs) & 0x1f) << 21 | ((ra) << 16) |  \
 110                                  ((rb) << 11) | (((xs) >> 5)))
 111 #define STXVD2X(xs, ra, rb)     .long (0x7c000798 | VSX_XX1((xs), (ra), (rb)))
 112 #define LXVD2X(xs, ra, rb)      .long (0x7c000698 | VSX_XX1((xs), (ra), (rb)))
 113
 114 #define ASM_LOAD_GPR_IMMED(_asm_symbol_name_immed) \
 115                 "li 14, %[" #_asm_symbol_name_immed "];" \
 116                 "li 15, %[" #_asm_symbol_name_immed "];" \
 117                 "li 16, %[" #_asm_symbol_name_immed "];" \
 118                 "li 17, %[" #_asm_symbol_name_immed "];" \
 119                 "li 18, %[" #_asm_symbol_name_immed "];" \
 120                 "li 19, %[" #_asm_symbol_name_immed "];" \
 121                 "li 20, %[" #_asm_symbol_name_immed "];" \
 122                 "li 21, %[" #_asm_symbol_name_immed "];" \
 123                 "li 22, %[" #_asm_symbol_name_immed "];" \
 124                 "li 23, %[" #_asm_symbol_name_immed "];" \
 125                 "li 24, %[" #_asm_symbol_name_immed "];" \
 126                 "li 25, %[" #_asm_symbol_name_immed "];" \
 127                 "li 26, %[" #_asm_symbol_name_immed "];" \
 128                 "li 27, %[" #_asm_symbol_name_immed "];" \
 129                 "li 28, %[" #_asm_symbol_name_immed "];" \
 130                 "li 29, %[" #_asm_symbol_name_immed "];" \
 131                 "li 30, %[" #_asm_symbol_name_immed "];" \
 132                 "li 31, %[" #_asm_symbol_name_immed "];"
 133
 134 #define ASM_LOAD_FPR(_asm_symbol_name_addr) \
 135                 "lfd 0, 0(%[" #_asm_symbol_name_addr "]);" \
 136                 "lfd 1, 0(%[" #_asm_symbol_name_addr "]);" \
 137                 "lfd 2, 0(%[" #_asm_symbol_name_addr "]);" \
 138                 "lfd 3, 0(%[" #_asm_symbol_name_addr "]);" \
 139                 "lfd 4, 0(%[" #_asm_symbol_name_addr "]);" \
 140                 "lfd 5, 0(%[" #_asm_symbol_name_addr "]);" \
 141                 "lfd 6, 0(%[" #_asm_symbol_name_addr "]);" \
 142                 "lfd 7, 0(%[" #_asm_symbol_name_addr "]);" \
 143                 "lfd 8, 0(%[" #_asm_symbol_name_addr "]);" \
 144                 "lfd 9, 0(%[" #_asm_symbol_name_addr "]);" \
 145                 "lfd 10, 0(%[" #_asm_symbol_name_addr "]);" \
 146                 "lfd 11, 0(%[" #_asm_symbol_name_addr "]);" \
 147                 "lfd 12, 0(%[" #_asm_symbol_name_addr "]);" \
 148                 "lfd 13, 0(%[" #_asm_symbol_name_addr "]);" \
 149                 "lfd 14, 0(%[" #_asm_symbol_name_addr "]);" \
 150                 "lfd 15, 0(%[" #_asm_symbol_name_addr "]);" \
 151                 "lfd 16, 0(%[" #_asm_symbol_name_addr "]);" \
 152                 "lfd 17, 0(%[" #_asm_symbol_name_addr "]);" \
 153                 "lfd 18, 0(%[" #_asm_symbol_name_addr "]);" \
 154                 "lfd 19, 0(%[" #_asm_symbol_name_addr "]);" \
 155                 "lfd 20, 0(%[" #_asm_symbol_name_addr "]);" \
 156                 "lfd 21, 0(%[" #_asm_symbol_name_addr "]);" \
 157                 "lfd 22, 0(%[" #_asm_symbol_name_addr "]);" \
 158                 "lfd 23, 0(%[" #_asm_symbol_name_addr "]);" \
 159                 "lfd 24, 0(%[" #_asm_symbol_name_addr "]);" \
 160                 "lfd 25, 0(%[" #_asm_symbol_name_addr "]);" \
 161                 "lfd 26, 0(%[" #_asm_symbol_name_addr "]);" \
 162                 "lfd 27, 0(%[" #_asm_symbol_name_addr "]);" \
 163                 "lfd 28, 0(%[" #_asm_symbol_name_addr "]);" \
 164                 "lfd 29, 0(%[" #_asm_symbol_name_addr "]);" \
 165                 "lfd 30, 0(%[" #_asm_symbol_name_addr "]);" \
 166                 "lfd 31, 0(%[" #_asm_symbol_name_addr "]);"
 167
 168 #ifndef __ASSEMBLER__
 169 void store_gpr(unsigned long *addr);
 170 void load_gpr(unsigned long *addr);
 171 void store_fpr(double *addr);
 172 #endif /* end of __ASSEMBLER__ */
 173
 174 #endif /* _SELFTESTS_POWERPC_REG_H */