yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 1999, 2001, 2002, 2006 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, write to the Free |
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 17 | 02111-1307 USA. */ |
| 18 | |
| 19 | #include <common/sysdep.h> |
| 20 | |
| 21 | /* |
| 22 | * Powerpc Feature masks for the Aux Vector Hardware Capabilities (AT_HWCAP). |
| 23 | * This entry is copied to _dl_hwcap or rtld_global._dl_hwcap during startup. |
| 24 | * The following must match the kernels linux/asm/cputable.h. |
| 25 | */ |
| 26 | #define PPC_FEATURE_32 0x80000000 /* 32-bit mode. */ |
| 27 | #define PPC_FEATURE_64 0x40000000 /* 64-bit mode. */ |
| 28 | #define PPC_FEATURE_601_INSTR 0x20000000 /* 601 chip, Old POWER ISA. */ |
| 29 | #define PPC_FEATURE_HAS_ALTIVEC 0x10000000 /* SIMD/Vector Unit. */ |
| 30 | #define PPC_FEATURE_HAS_FPU 0x08000000 /* Floating Point Unit. */ |
| 31 | #define PPC_FEATURE_HAS_MMU 0x04000000 /* Memory Management Unit. */ |
| 32 | #define PPC_FEATURE_HAS_4xxMAC 0x02000000 /* 4xx Multiply Accumulator. */ |
| 33 | #define PPC_FEATURE_UNIFIED_CACHE 0x01000000 /* Unified I/D cache. */ |
| 34 | #define PPC_FEATURE_HAS_SPE 0x00800000 /* Signal Processing ext. */ |
| 35 | #define PPC_FEATURE_HAS_EFP_SINGLE 0x00400000 /* SPE Float. */ |
| 36 | #define PPC_FEATURE_HAS_EFP_DOUBLE 0x00200000 /* SPE Double. */ |
| 37 | #define PPC_FEATURE_NO_TB 0x00100000 /* 601/403gx have no timebase */ |
| 38 | #define PPC_FEATURE_POWER4 0x00080000 /* POWER4 ISA 2.00 */ |
| 39 | #define PPC_FEATURE_POWER5 0x00040000 /* POWER5 ISA 2.02 */ |
| 40 | #define PPC_FEATURE_POWER5_PLUS 0x00020000 /* POWER5+ ISA 2.03 */ |
| 41 | #define PPC_FEATURE_CELL_BE 0x00010000 /* CELL Broadband Engine */ |
| 42 | #define PPC_FEATURE_BOOKE 0x00008000 |
| 43 | #define PPC_FEATURE_SMT 0x00004000 /* Simultaneous Multi-Threading */ |
| 44 | #define PPC_FEATURE_ICACHE_SNOOP 0x00002000 |
| 45 | #define PPC_FEATURE_ARCH_2_05 0x00001000 /* ISA 2.05 */ |
| 46 | #define PPC_FEATURE_PA6T 0x00000800 /* PA Semi 6T Core */ |
| 47 | #define PPC_FEATURE_HAS_DFP 0x00000400 /* Decimal FP Unit */ |
| 48 | #define PPC_FEATURE_POWER6_EXT 0x00000200 /* P6 + mffgpr/mftgpr */ |
| 49 | #define PPC_FEATURE_ARCH_2_06 0x00000100 /* ISA 2.06 */ |
| 50 | #define PPC_FEATURE_HAS_VSX 0x00000080 /* P7 Vector Extension. */ |
| 51 | #define PPC_FEATURE_970 (PPC_FEATURE_POWER4 + PPC_FEATURE_HAS_ALTIVEC) |
| 52 | |
| 53 | #ifdef __ASSEMBLER__ |
| 54 | |
| 55 | /* Symbolic names for the registers. The only portable way to write asm |
| 56 | code is to use number but this produces really unreadable code. |
| 57 | Therefore these symbolic names. */ |
| 58 | |
| 59 | /* Integer registers. */ |
| 60 | #define r0 0 |
| 61 | #define r1 1 |
| 62 | #define r2 2 |
| 63 | #define r3 3 |
| 64 | #define r4 4 |
| 65 | #define r5 5 |
| 66 | #define r6 6 |
| 67 | #define r7 7 |
| 68 | #define r8 8 |
| 69 | #define r9 9 |
| 70 | #define r10 10 |
| 71 | #define r11 11 |
| 72 | #define r12 12 |
| 73 | #define r13 13 |
| 74 | #define r14 14 |
| 75 | #define r15 15 |
| 76 | #define r16 16 |
| 77 | #define r17 17 |
| 78 | #define r18 18 |
| 79 | #define r19 19 |
| 80 | #define r20 20 |
| 81 | #define r21 21 |
| 82 | #define r22 22 |
| 83 | #define r23 23 |
| 84 | #define r24 24 |
| 85 | #define r25 25 |
| 86 | #define r26 26 |
| 87 | #define r27 27 |
| 88 | #define r28 28 |
| 89 | #define r29 29 |
| 90 | #define r30 30 |
| 91 | #define r31 31 |
| 92 | |
| 93 | /* Floating-point registers. */ |
| 94 | #define fp0 0 |
| 95 | #define fp1 1 |
| 96 | #define fp2 2 |
| 97 | #define fp3 3 |
| 98 | #define fp4 4 |
| 99 | #define fp5 5 |
| 100 | #define fp6 6 |
| 101 | #define fp7 7 |
| 102 | #define fp8 8 |
| 103 | #define fp9 9 |
| 104 | #define fp10 10 |
| 105 | #define fp11 11 |
| 106 | #define fp12 12 |
| 107 | #define fp13 13 |
| 108 | #define fp14 14 |
| 109 | #define fp15 15 |
| 110 | #define fp16 16 |
| 111 | #define fp17 17 |
| 112 | #define fp18 18 |
| 113 | #define fp19 19 |
| 114 | #define fp20 20 |
| 115 | #define fp21 21 |
| 116 | #define fp22 22 |
| 117 | #define fp23 23 |
| 118 | #define fp24 24 |
| 119 | #define fp25 25 |
| 120 | #define fp26 26 |
| 121 | #define fp27 27 |
| 122 | #define fp28 28 |
| 123 | #define fp29 29 |
| 124 | #define fp30 30 |
| 125 | #define fp31 31 |
| 126 | |
| 127 | /* Condition code registers. */ |
| 128 | #define cr0 0 |
| 129 | #define cr1 1 |
| 130 | #define cr2 2 |
| 131 | #define cr3 3 |
| 132 | #define cr4 4 |
| 133 | #define cr5 5 |
| 134 | #define cr6 6 |
| 135 | #define cr7 7 |
| 136 | |
| 137 | /* Vector registers. */ |
| 138 | #define v0 0 |
| 139 | #define v1 1 |
| 140 | #define v2 2 |
| 141 | #define v3 3 |
| 142 | #define v4 4 |
| 143 | #define v5 5 |
| 144 | #define v6 6 |
| 145 | #define v7 7 |
| 146 | #define v8 8 |
| 147 | #define v9 9 |
| 148 | #define v10 10 |
| 149 | #define v11 11 |
| 150 | #define v12 12 |
| 151 | #define v13 13 |
| 152 | #define v14 14 |
| 153 | #define v15 15 |
| 154 | #define v16 16 |
| 155 | #define v17 17 |
| 156 | #define v18 18 |
| 157 | #define v19 19 |
| 158 | #define v20 20 |
| 159 | #define v21 21 |
| 160 | #define v22 22 |
| 161 | #define v23 23 |
| 162 | #define v24 24 |
| 163 | #define v25 25 |
| 164 | #define v26 26 |
| 165 | #define v27 27 |
| 166 | #define v28 28 |
| 167 | #define v29 29 |
| 168 | #define v30 30 |
| 169 | #define v31 31 |
| 170 | |
| 171 | #define VRSAVE 256 |
| 172 | |
| 173 | |
| 174 | #ifdef __ELF__ |
| 175 | |
| 176 | /* This seems to always be the case on PPC. */ |
| 177 | #define ALIGNARG(log2) log2 |
| 178 | /* For ELF we need the `.type' directive to make shared libs work right. */ |
| 179 | #define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; |
| 180 | #define ASM_SIZE_DIRECTIVE(name) .size name,.-name |
| 181 | |
| 182 | /* In ELF C symbols are asm symbols. */ |
| 183 | #undef NO_UNDERSCORES |
| 184 | #define NO_UNDERSCORES |
| 185 | |
| 186 | #endif /* __ELF__ */ |
| 187 | |
| 188 | # include <sys/syscall.h> |
| 189 | # if defined(__powerpc64__) |
| 190 | # include "powerpc64/sysdep.h" |
| 191 | # else |
| 192 | # include "powerpc32/sysdep.h" |
| 193 | # endif |
| 194 | |
| 195 | #endif /* __ASSEMBLER__ */ |
| 196 | |