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Diffstat (limited to 'libc/sysdeps/linux/powerpc/sysdep.h')
| -rw-r--r-- | libc/sysdeps/linux/powerpc/sysdep.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/powerpc/sysdep.h b/libc/sysdeps/linux/powerpc/sysdep.h new file mode 100644 index 000000000..14b86ac49 --- /dev/null +++ b/libc/sysdeps/linux/powerpc/sysdep.h @@ -0,0 +1,196 @@ +/* Copyright (C) 1999, 2001, 2002, 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <common/sysdep.h> + +/* + * Powerpc Feature masks for the Aux Vector Hardware Capabilities (AT_HWCAP). + * This entry is copied to _dl_hwcap or rtld_global._dl_hwcap during startup. + * The following must match the kernels linux/asm/cputable.h. + */ +#define PPC_FEATURE_32 0x80000000 /* 32-bit mode. */ +#define PPC_FEATURE_64 0x40000000 /* 64-bit mode. */ +#define PPC_FEATURE_601_INSTR 0x20000000 /* 601 chip, Old POWER ISA. */ +#define PPC_FEATURE_HAS_ALTIVEC 0x10000000 /* SIMD/Vector Unit. */ +#define PPC_FEATURE_HAS_FPU 0x08000000 /* Floating Point Unit. */ +#define PPC_FEATURE_HAS_MMU 0x04000000 /* Memory Management Unit. */ +#define PPC_FEATURE_HAS_4xxMAC 0x02000000 /* 4xx Multiply Accumulator. */ +#define PPC_FEATURE_UNIFIED_CACHE 0x01000000 /* Unified I/D cache. */ +#define PPC_FEATURE_HAS_SPE 0x00800000 /* Signal Processing ext. */ +#define PPC_FEATURE_HAS_EFP_SINGLE 0x00400000 /* SPE Float. */ +#define PPC_FEATURE_HAS_EFP_DOUBLE 0x00200000 /* SPE Double. */ +#define PPC_FEATURE_NO_TB 0x00100000 /* 601/403gx have no timebase */ +#define PPC_FEATURE_POWER4 0x00080000 /* POWER4 ISA 2.00 */ +#define PPC_FEATURE_POWER5 0x00040000 /* POWER5 ISA 2.02 */ +#define PPC_FEATURE_POWER5_PLUS 0x00020000 /* POWER5+ ISA 2.03 */ +#define PPC_FEATURE_CELL_BE 0x00010000 /* CELL Broadband Engine */ +#define PPC_FEATURE_BOOKE 0x00008000 +#define PPC_FEATURE_SMT 0x00004000 /* Simultaneous Multi-Threading */ +#define PPC_FEATURE_ICACHE_SNOOP 0x00002000 +#define PPC_FEATURE_ARCH_2_05 0x00001000 /* ISA 2.05 */ +#define PPC_FEATURE_PA6T 0x00000800 /* PA Semi 6T Core */ +#define PPC_FEATURE_HAS_DFP 0x00000400 /* Decimal FP Unit */ +#define PPC_FEATURE_POWER6_EXT 0x00000200 /* P6 + mffgpr/mftgpr */ +#define PPC_FEATURE_ARCH_2_06 0x00000100 /* ISA 2.06 */ +#define PPC_FEATURE_HAS_VSX 0x00000080 /* P7 Vector Extension. */ +#define PPC_FEATURE_970 (PPC_FEATURE_POWER4 + PPC_FEATURE_HAS_ALTIVEC) + +#ifdef __ASSEMBLER__ + +/* Symbolic names for the registers. The only portable way to write asm + code is to use number but this produces really unreadable code. + Therefore these symbolic names. */ + +/* Integer registers. */ +#define r0 0 +#define r1 1 +#define r2 2 +#define r3 3 +#define r4 4 +#define r5 5 +#define r6 6 +#define r7 7 +#define r8 8 +#define r9 9 +#define r10 10 +#define r11 11 +#define r12 12 +#define r13 13 +#define r14 14 +#define r15 15 +#define r16 16 +#define r17 17 +#define r18 18 +#define r19 19 +#define r20 20 +#define r21 21 +#define r22 22 +#define r23 23 +#define r24 24 +#define r25 25 +#define r26 26 +#define r27 27 +#define r28 28 +#define r29 29 +#define r30 30 +#define r31 31 + +/* Floating-point registers. */ +#define fp0 0 +#define fp1 1 +#define fp2 2 +#define fp3 3 +#define fp4 4 +#define fp5 5 +#define fp6 6 +#define fp7 7 +#define fp8 8 +#define fp9 9 +#define fp10 10 +#define fp11 11 +#define fp12 12 +#define fp13 13 +#define fp14 14 +#define fp15 15 +#define fp16 16 +#define fp17 17 +#define fp18 18 +#define fp19 19 +#define fp20 20 +#define fp21 21 +#define fp22 22 +#define fp23 23 +#define fp24 24 +#define fp25 25 +#define fp26 26 +#define fp27 27 +#define fp28 28 +#define fp29 29 +#define fp30 30 +#define fp31 31 + +/* Condition code registers. */ +#define cr0 0 +#define cr1 1 +#define cr2 2 +#define cr3 3 +#define cr4 4 +#define cr5 5 +#define cr6 6 +#define cr7 7 + +/* Vector registers. */ +#define v0 0 +#define v1 1 +#define v2 2 +#define v3 3 +#define v4 4 +#define v5 5 +#define v6 6 +#define v7 7 +#define v8 8 +#define v9 9 +#define v10 10 +#define v11 11 +#define v12 12 +#define v13 13 +#define v14 14 +#define v15 15 +#define v16 16 +#define v17 17 +#define v18 18 +#define v19 19 +#define v20 20 +#define v21 21 +#define v22 22 +#define v23 23 +#define v24 24 +#define v25 25 +#define v26 26 +#define v27 27 +#define v28 28 +#define v29 29 +#define v30 30 +#define v31 31 + +#define VRSAVE 256 + + +#ifdef __ELF__ + +/* This seems to always be the case on PPC. */ +#define ALIGNARG(log2) log2 +/* For ELF we need the `.type' directive to make shared libs work right. */ +#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; +#define ASM_SIZE_DIRECTIVE(name) .size name,.-name + +/* In ELF C symbols are asm symbols. */ +#undef NO_UNDERSCORES +#define NO_UNDERSCORES + +#endif /* __ELF__ */ + +# include <sys/syscall.h> +# if defined(__powerpc64__) +# include "powerpc64/sysdep.h" +# else +# include "powerpc32/sysdep.h" +# endif + +#endif /* __ASSEMBLER__ */ + |