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Diffstat (limited to 'c/src/lib/libbsp/mips/shared/gdbstub/mips_opcode.h')
| -rw-r--r-- | c/src/lib/libbsp/mips/shared/gdbstub/mips_opcode.h | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/c/src/lib/libbsp/mips/shared/gdbstub/mips_opcode.h b/c/src/lib/libbsp/mips/shared/gdbstub/mips_opcode.h deleted file mode 100644 index 883b1f174b..0000000000 --- a/c/src/lib/libbsp/mips/shared/gdbstub/mips_opcode.h +++ /dev/null @@ -1,336 +0,0 @@ -/** - * @file - * @ingroup - * @brief Instruction formats and opcode values for MIPS - */ - -/* - * Copyright (c) 1992 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Ralph Campbell. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * from: @(#)mips_opcode.h 7.1 (Berkeley) 3/19/92 - * via: mips_opcode.h,v 1.1 1994/03/10 16:15:10 (algorithmics) - */ - -/* - * Define the instruction formats and opcode values for the - * MIPS instruction set. - */ - -#ifndef _MIPS_OPCODE_H -#define _MIPS_OPCODE_H - -/** - * @defgroup mips_ops MIPS Opcodes - * @ingroup mips_shared - * @brief MIPS Instruction Formats and Opcode Values - * @{ - */ - -/** - * @name Instruction formats - * @{ - */ - -typedef union { - unsigned word; - -#ifdef MIPSEL - struct { - unsigned imm: 16; - unsigned rt: 5; - unsigned rs: 5; - unsigned op: 6; - } IType; - - struct { - unsigned target: 26; - unsigned op: 6; - } JType; - - struct { - unsigned func: 6; - unsigned shamt: 5; - unsigned rd: 5; - unsigned rt: 5; - unsigned rs: 5; - unsigned op: 6; - } RType; - - struct { - unsigned func: 6; - unsigned fd: 5; - unsigned fs: 5; - unsigned ft: 5; - unsigned fmt: 4; - unsigned : 1; /* always '1' */ - unsigned op: 6; /* always '0x11' */ - } FRType; -#else - struct { - unsigned op: 6; - unsigned rs: 5; - unsigned rt: 5; - unsigned imm: 16; - } IType; - - struct { - unsigned op: 6; - unsigned target: 26; - } JType; - - struct { - unsigned op: 6; - unsigned rs: 5; - unsigned rt: 5; - unsigned rd: 5; - unsigned shamt: 5; - unsigned func: 6; - } RType; - - struct { - unsigned op: 6; /* always '0x11' */ - unsigned : 1; /* always '1' */ - unsigned fmt: 4; - unsigned func: 6; - unsigned ft: 5; - unsigned fs: 5; - unsigned fd: 5; - } FRType; -#endif -} InstFmt; - -/** @} */ - -/** - * @name 'op' field values - * @{ - */ - -#define OP_SPECIAL 000 -#define OP_REGIMM 001 -#define OP_J 002 -#define OP_JAL 003 -#define OP_BEQ 004 -#define OP_BNE 005 -#define OP_BLEZ 006 -#define OP_BGTZ 007 - -#define OP_ADDI 010 -#define OP_ADDIU 011 -#define OP_SLTI 012 -#define OP_SLTIU 013 -#define OP_ANDI 014 -#define OP_ORI 015 -#define OP_XORI 016 -#define OP_LUI 017 - -#define OP_COP0 020 -#define OP_COP1 021 -#define OP_COP2 022 -#define OP_BEQL 024 -#define OP_BNEL 025 -#define OP_BLEZL 026 -#define OP_BGTZL 027 - -#define OP_DADDI 030 -#define OP_DADDIU 031 -#define OP_LDL 032 -#define OP_LDR 033 - -#define OP_LB 040 -#define OP_LH 041 -#define OP_LWL 042 -#define OP_LW 043 -#define OP_LBU 044 -#define OP_LHU 045 -#define OP_LWR 046 -#define OP_LWU 047 - -#define OP_SB 050 -#define OP_SH 051 -#define OP_SWL 052 -#define OP_SW 053 -#define OP_SDL 054 -#define OP_SDR 055 -#define OP_SWR 056 -#define OP_CACHE 057 - -#define OP_LL 060 -#define OP_LWC1 061 -#define OP_LWC2 062 -#define OP_LLD 064 -#define OP_LDC1 065 -#define OP_LDC2 066 -#define OP_LD 067 - -#define OP_SC 070 -#define OP_SWC1 071 -#define OP_SWC2 072 -#define OP_SCD 074 -#define OP_SDC1 075 -#define OP_SDC2 076 -#define OP_SD 077 - -/** - * @name 'func' field values when 'op' == OP_SPECIAL. - * @{ - */ - -#define OP_SLL 000 -#define OP_SRL 002 -#define OP_SRA 003 -#define OP_SLLV 004 -#define OP_SRLV 006 -#define OP_SRAV 007 - -#define OP_JR 010 -#define OP_JALR 011 -#define OP_SYSCALL 014 -#define OP_BREAK 015 -#define OP_SYNC 017 - -#define OP_MFHI 020 -#define OP_MTHI 021 -#define OP_MFLO 022 -#define OP_MTLO 023 -#define OP_DSLLV 024 -#define OP_DSRLV 026 -#define OP_DSRAV 027 - -#define OP_MULT 030 -#define OP_MULTU 031 -#define OP_DIV 032 -#define OP_DIVU 033 -#define OP_DMULT 034 -#define OP_DMULTU 035 -#define OP_DDIV 036 -#define OP_DDIVU 037 - -#define OP_ADD 040 -#define OP_ADDU 041 -#define OP_SUB 042 -#define OP_SUBU 043 -#define OP_AND 044 -#define OP_OR 045 -#define OP_XOR 046 -#define OP_NOR 047 - -#define OP_SLT 052 -#define OP_SLTU 053 -#define OP_DADD 054 -#define OP_DADDU 055 -#define OP_DSUB 056 -#define OP_DSUBU 057 - -#define OP_TGE 060 -#define OP_TGEU 061 -#define OP_TLT 062 -#define OP_TLTU 063 -#define OP_TEQ 064 -#define OP_TNE 066 - -#define OP_DSLL 070 -#define OP_DSRL 072 -#define OP_DSRA 073 -#define OP_DSLL32 074 -#define OP_DSRL32 076 -#define OP_DSRA32 077 - -/** @} */ - -/** - * 'func' field values when 'op' == OP_REGIMM. - * @{ - */ - -#define OP_BLTZ 000 -#define OP_BGEZ 001 -#define OP_BLTZL 002 -#define OP_BGEZL 003 - -#define OP_TGEI 010 -#define OP_TGEIU 011 -#define OP_TLTI 012 -#define OP_TLTIU 013 -#define OP_TEQI 014 -#define OP_TNEI 016 - -#define OP_BLTZAL 020 -#define OP_BGEZAL 021 -#define OP_BLTZALL 022 -#define OP_BGEZALL 023 - -/** @} */ - -/** - * @name 'rs' field values when 'op' == OP_COPz. - * @{ - */ - -#define OP_MF 000 -#define OP_DMF 001 -#define OP_CF 002 -#define OP_MT 004 -#define OP_DMT 005 -#define OP_CT 006 -#define OP_BC 010 - -/** @} */ - -/** - * @name 'rt' field values when 'op' == OP_COPz and 'rt' == OP_BC. - * @{ - */ - -#define COPz_BCF 0x00 -#define COPz_BCT 0x01 -#define COPz_BCFL 0x02 -#define COPz_BCTL 0x03 - -/** @} */ - -/** - * @name Instructions with specal significance to debuggers. - * @{ - */ - -#define BREAK_INSTR 0x0000000d ///< @brief instruction code for break -#define NOP_INSTR 0x00000000 ///< @brief instruction code for no-op - -/** @} */ - -/** @} */ - -#endif /* _MIPS_OPCODE_H */ |