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Diffstat (limited to 'kernel/arch/powerpc/xmon/spu.h')
| -rw-r--r-- | kernel/arch/powerpc/xmon/spu.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/kernel/arch/powerpc/xmon/spu.h b/kernel/arch/powerpc/xmon/spu.h new file mode 100644 index 000000000..c761fc8f3 --- /dev/null +++ b/kernel/arch/powerpc/xmon/spu.h @@ -0,0 +1,126 @@ +/* SPU ELF support for BFD. + + Copyright 2006 Free Software Foundation, Inc. + + This file is part of GDB, GAS, and the GNU binutils. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ + + +/* These two enums are from rel_apu/common/spu_asm_format.h */ +/* definition of instruction format */ +typedef enum { + RRR, + RI18, + RI16, + RI10, + RI8, + RI7, + RR, + LBT, + LBTI, + IDATA, + UNKNOWN_IFORMAT +} spu_iformat; + +/* These values describe assembly instruction arguments. They indicate + * how to encode, range checking and which relocation to use. */ +typedef enum { + A_T, /* register at pos 0 */ + A_A, /* register at pos 7 */ + A_B, /* register at pos 14 */ + A_C, /* register at pos 21 */ + A_S, /* special purpose register at pos 7 */ + A_H, /* channel register at pos 7 */ + A_P, /* parenthesis, this has to separate regs from immediates */ + A_S3, + A_S6, + A_S7N, + A_S7, + A_U7A, + A_U7B, + A_S10B, + A_S10, + A_S11, + A_S11I, + A_S14, + A_S16, + A_S18, + A_R18, + A_U3, + A_U5, + A_U6, + A_U7, + A_U14, + A_X16, + A_U18, + A_MAX +} spu_aformat; + +enum spu_insns { +#define APUOP(TAG,MACFORMAT,OPCODE,MNEMONIC,ASMFORMAT,DEP,PIPE) \ + TAG, +#define APUOPFB(TAG,MACFORMAT,OPCODE,FB,MNEMONIC,ASMFORMAT,DEP,PIPE) \ + TAG, +#include "spu-insns.h" +#undef APUOP +#undef APUOPFB + M_SPU_MAX +}; + +struct spu_opcode +{ + spu_iformat insn_type; + unsigned int opcode; + char *mnemonic; + int arg[5]; +}; + +#define SIGNED_EXTRACT(insn,size,pos) (((int)((insn) << (32-size-pos))) >> (32-size)) +#define UNSIGNED_EXTRACT(insn,size,pos) (((insn) >> pos) & ((1 << size)-1)) + +#define DECODE_INSN_RT(insn) (insn & 0x7f) +#define DECODE_INSN_RA(insn) ((insn >> 7) & 0x7f) +#define DECODE_INSN_RB(insn) ((insn >> 14) & 0x7f) +#define DECODE_INSN_RC(insn) ((insn >> 21) & 0x7f) + +#define DECODE_INSN_I10(insn) SIGNED_EXTRACT(insn,10,14) +#define DECODE_INSN_U10(insn) UNSIGNED_EXTRACT(insn,10,14) + +/* For branching, immediate loads, hbr and lqa/stqa. */ +#define DECODE_INSN_I16(insn) SIGNED_EXTRACT(insn,16,7) +#define DECODE_INSN_U16(insn) UNSIGNED_EXTRACT(insn,16,7) + +/* for stop */ +#define DECODE_INSN_U14(insn) UNSIGNED_EXTRACT(insn,14,0) + +/* For ila */ +#define DECODE_INSN_I18(insn) SIGNED_EXTRACT(insn,18,7) +#define DECODE_INSN_U18(insn) UNSIGNED_EXTRACT(insn,18,7) + +/* For rotate and shift and generate control mask */ +#define DECODE_INSN_I7(insn) SIGNED_EXTRACT(insn,7,14) +#define DECODE_INSN_U7(insn) UNSIGNED_EXTRACT(insn,7,14) + +/* For float <-> int conversion */ +#define DECODE_INSN_I8(insn) SIGNED_EXTRACT(insn,8,14) +#define DECODE_INSN_U8(insn) UNSIGNED_EXTRACT(insn,8,14) + +/* For hbr */ +#define DECODE_INSN_I9a(insn) ((SIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0)) +#define DECODE_INSN_I9b(insn) ((SIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0)) +#define DECODE_INSN_U9a(insn) ((UNSIGNED_EXTRACT(insn,2,23) << 7) | UNSIGNED_EXTRACT(insn,7,0)) +#define DECODE_INSN_U9b(insn) ((UNSIGNED_EXTRACT(insn,2,14) << 7) | UNSIGNED_EXTRACT(insn,7,0)) + |