sysdeps/powerpc/sysdep.h

   1 /* Copyright (C) 1999, 2001-2002, 2006, 2012 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 /*
  19  * Powerpc Feature masks for the Aux Vector Hardware Capabilities (AT_HWCAP).
  20  * This entry is copied to _dl_hwcap or rtld_global._dl_hwcap during startup.
  21  * The following must match the kernels linux/asm/cputable.h.
  22  */
  23 #define PPC_FEATURE_32                  0x80000000 /* 32-bit mode. */
  24 #define PPC_FEATURE_64                  0x40000000 /* 64-bit mode. */
  25 #define PPC_FEATURE_601_INSTR           0x20000000 /* 601 chip, Old POWER ISA.  */
  26 #define PPC_FEATURE_HAS_ALTIVEC         0x10000000 /* SIMD/Vector Unit.  */
  27 #define PPC_FEATURE_HAS_FPU             0x08000000 /* Floating Point Unit.  */
  28 #define PPC_FEATURE_HAS_MMU             0x04000000 /* Memory Management Unit.  */
  29 #define PPC_FEATURE_HAS_4xxMAC          0x02000000 /* 4xx Multiply Accumulator.  */
  30 #define PPC_FEATURE_UNIFIED_CACHE       0x01000000 /* Unified I/D cache.  */
  31 #define PPC_FEATURE_HAS_SPE             0x00800000 /* Signal Processing ext.  */
  32 #define PPC_FEATURE_HAS_EFP_SINGLE      0x00400000 /* SPE Float.  */
  33 #define PPC_FEATURE_HAS_EFP_DOUBLE      0x00200000 /* SPE Double.  */
  34 #define PPC_FEATURE_NO_TB               0x00100000 /* 601/403gx have no timebase */
  35 #define PPC_FEATURE_POWER4              0x00080000 /* POWER4 ISA 2.00 */
  36 #define PPC_FEATURE_POWER5              0x00040000 /* POWER5 ISA 2.02 */
  37 #define PPC_FEATURE_POWER5_PLUS         0x00020000 /* POWER5+ ISA 2.03 */
  38 #define PPC_FEATURE_CELL_BE             0x00010000 /* CELL Broadband Engine */
  39 #define PPC_FEATURE_BOOKE               0x00008000
  40 #define PPC_FEATURE_SMT                 0x00004000 /* Simultaneous Multi-Threading */
  41 #define PPC_FEATURE_ICACHE_SNOOP        0x00002000
  42 #define PPC_FEATURE_ARCH_2_05           0x00001000 /* ISA 2.05 */
  43 #define PPC_FEATURE_PA6T                0x00000800 /* PA Semi 6T Core */
  44 #define PPC_FEATURE_HAS_DFP             0x00000400 /* Decimal FP Unit */
  45 #define PPC_FEATURE_POWER6_EXT          0x00000200 /* P6 + mffgpr/mftgpr */
  46 #define PPC_FEATURE_ARCH_2_06           0x00000100 /* ISA 2.06 */
  47 #define PPC_FEATURE_HAS_VSX             0x00000080 /* P7 Vector Extension.  */
  48 #define PPC_FEATURE_970 (PPC_FEATURE_POWER4 + PPC_FEATURE_HAS_ALTIVEC)
  49
  50 #ifdef __ASSEMBLER__
  51
  52 /* Symbolic names for the registers.  The only portable way to write asm
  53    code is to use number but this produces really unreadable code.
  54    Therefore these symbolic names.  */
  55
  56 /* Integer registers.  */
  57 #define r0      0
  58 #define r1      1
  59 #define r2      2
  60 #define r3      3
  61 #define r4      4
  62 #define r5      5
  63 #define r6      6
  64 #define r7      7
  65 #define r8      8
  66 #define r9      9
  67 #define r10     10
  68 #define r11     11
  69 #define r12     12
  70 #define r13     13
  71 #define r14     14
  72 #define r15     15
  73 #define r16     16
  74 #define r17     17
  75 #define r18     18
  76 #define r19     19
  77 #define r20     20
  78 #define r21     21
  79 #define r22     22
  80 #define r23     23
  81 #define r24     24
  82 #define r25     25
  83 #define r26     26
  84 #define r27     27
  85 #define r28     28
  86 #define r29     29
  87 #define r30     30
  88 #define r31     31
  89
  90 /* Floating-point registers.  */
  91 #define fp0     0
  92 #define fp1     1
  93 #define fp2     2
  94 #define fp3     3
  95 #define fp4     4
  96 #define fp5     5
  97 #define fp6     6
  98 #define fp7     7
  99 #define fp8     8
 100 #define fp9     9
 101 #define fp10    10
 102 #define fp11    11
 103 #define fp12    12
 104 #define fp13    13
 105 #define fp14    14
 106 #define fp15    15
 107 #define fp16    16
 108 #define fp17    17
 109 #define fp18    18
 110 #define fp19    19
 111 #define fp20    20
 112 #define fp21    21
 113 #define fp22    22
 114 #define fp23    23
 115 #define fp24    24
 116 #define fp25    25
 117 #define fp26    26
 118 #define fp27    27
 119 #define fp28    28
 120 #define fp29    29
 121 #define fp30    30
 122 #define fp31    31
 123
 124 /* Condition code registers.  */
 125 #define cr0     0
 126 #define cr1     1
 127 #define cr2     2
 128 #define cr3     3
 129 #define cr4     4
 130 #define cr5     5
 131 #define cr6     6
 132 #define cr7     7
 133
 134 /* Vector registers. */
 135 #define v0      0
 136 #define v1      1
 137 #define v2      2
 138 #define v3      3
 139 #define v4      4
 140 #define v5      5
 141 #define v6      6
 142 #define v7      7
 143 #define v8      8
 144 #define v9      9
 145 #define v10     10
 146 #define v11     11
 147 #define v12     12
 148 #define v13     13
 149 #define v14     14
 150 #define v15     15
 151 #define v16     16
 152 #define v17     17
 153 #define v18     18
 154 #define v19     19
 155 #define v20     20
 156 #define v21     21
 157 #define v22     22
 158 #define v23     23
 159 #define v24     24
 160 #define v25     25
 161 #define v26     26
 162 #define v27     27
 163 #define v28     28
 164 #define v29     29
 165 #define v30     30
 166 #define v31     31
 167
 168 #define VRSAVE  256
 169
 170
 171 /* This seems to always be the case on PPC.  */
 172 #define ALIGNARG(log2) log2
 173 /* For ELF we need the `.type' directive to make shared libs work right.  */
 174 #define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg;
 175 #define ASM_SIZE_DIRECTIVE(name) .size name,.-name
 176
 177 #endif  /* __ASSEMBLER__ */