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/* |
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* Copyright (C) 2005 Anders Gavare. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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* $Id: generate_alpha_misc.c,v 1.1 2005/08/29 14:36:41 debug Exp $ |
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*/ |
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|
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#include <stdio.h> |
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#include <string.h> |
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|
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|
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char *sizechar[4] = { "b", "w", "l", "q" }; |
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|
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#define N_CMPS 5 |
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char *cmps[N_CMPS] = { "ult", "eq", "ule", "lt", "le" /*bge*/ }; |
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#define N_CMOV 8 |
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char *cmov[N_CMOV] = { "lbs", "lbc", "eq", "ne", "lt", "ge", "le", "gt" }; |
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|
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|
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int main(int argc, char *argv[]) |
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{ |
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int load, size, zero, aligncheck, n, msk, llsc; |
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int ra, rc, lo, scale, imm, not, op, quad; |
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|
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printf("\n/* AUTOMATICALLY GENERATED! Do not edit. */\n\n"); |
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|
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n = 0; |
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/* add and sub: */ |
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for (imm = 0; imm <= 1; imm ++) |
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for (quad = 0; quad <= 1; quad ++) |
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for (scale = 0; scale <= 8; scale += 4) |
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for (op = 0; op <= 1; op ++) { |
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printf("#define ALU_N alpha_instr_"); |
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if (scale) |
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printf("s%i", scale); |
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printf("%s%s", op? "sub" : "add", quad? "q" : "l"); |
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if (imm) |
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printf("_imm"); |
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printf("\n"); |
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|
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if (imm) |
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printf("#define ALU_IMM\n"); |
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if (!quad) |
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printf("#define ALU_LONG\n"); |
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if (op) |
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printf("#define ALU_SUB\n"); |
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else |
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printf("#define ALU_ADD\n"); |
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if (scale) |
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printf("#define ALU_S%i\n", scale); |
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|
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printf("#include \"cpu_alpha_instr_alu.c\"\n"); |
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|
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if (imm) |
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printf("#undef ALU_IMM\n"); |
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if (!quad) |
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printf("#undef ALU_LONG\n"); |
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if (op) |
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printf("#undef ALU_SUB\n"); |
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else |
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printf("#undef ALU_ADD\n"); |
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if (scale) |
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printf("#undef ALU_S%i\n", scale); |
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|
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printf("#undef ALU_N\n"); |
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} |
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|
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/* and, or, xor, zap, sll, srl, sra: */ |
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for (imm = 0; imm <= 1; imm ++) |
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for (not = 0; not <= 1; not ++) |
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for (op = 0; op < 7; op ++) { |
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if (op >= 4 && not) |
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continue; |
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printf("#define ALU_N alpha_instr_"); |
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switch (op) { |
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case 0: printf("and"); break; |
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case 1: printf("or"); break; |
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case 2: printf("xor"); break; |
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case 3: printf("zap"); break; |
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case 4: printf("sll"); break; |
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case 5: printf("srl"); break; |
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case 6: printf("sra"); break; |
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} |
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if (not) |
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printf("not"); |
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if (imm) |
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printf("_imm"); |
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printf("\n"); |
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if (imm) |
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printf("#define ALU_IMM\n"); |
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switch (op) { |
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case 0: printf("#define ALU_AND\n"); break; |
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case 1: printf("#define ALU_OR\n"); break; |
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case 2: printf("#define ALU_XOR\n"); break; |
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case 3: printf("#define ALU_ZAP\n"); break; |
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case 4: printf("#define ALU_SLL\n"); break; |
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case 5: printf("#define ALU_SRL\n"); break; |
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case 6: printf("#define ALU_SRA\n"); break; |
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} |
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if (not) |
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printf("#define ALU_NOT\n"); |
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printf("#include \"cpu_alpha_instr_alu.c\"\n"); |
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|
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if (imm) |
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printf("#undef ALU_IMM\n"); |
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if (not) |
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printf("#undef ALU_NOT\n"); |
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switch (op) { |
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case 0: printf("#undef ALU_AND\n"); break; |
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case 1: printf("#undef ALU_OR\n"); break; |
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case 2: printf("#undef ALU_XOR\n"); break; |
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case 3: printf("#undef ALU_ZAP\n"); break; |
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case 4: printf("#undef ALU_SLL\n"); break; |
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case 5: printf("#undef ALU_SRL\n"); break; |
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case 6: printf("#undef ALU_SRA\n"); break; |
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} |
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|
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printf("#undef ALU_N\n"); |
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} |
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|
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printf("#define ALU_CMP\n"); |
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for (imm = 0; imm <= 1; imm ++) |
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for (op = 0; op < N_CMPS; op ++) { |
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printf("#define ALU_N alpha_instr_cmp%s", cmps[op]); |
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if (imm) |
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printf("_imm"); |
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printf("\n"); |
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|
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if (imm) |
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printf("#define ALU_IMM\n"); |
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|
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if (cmps[op][0] == 'u') |
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printf("#define ALU_UNSIGNED\n"); |
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if (strcmp(cmps[op]+strlen(cmps[op])-2,"lt") == 0) |
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printf("#define ALU_CMP_LT\n"); |
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if (strcmp(cmps[op]+strlen(cmps[op])-2,"le") == 0) |
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printf("#define ALU_CMP_LE\n"); |
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if (strcmp(cmps[op]+strlen(cmps[op])-2,"eq") == 0) |
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printf("#define ALU_CMP_EQ\n"); |
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|
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printf("#include \"cpu_alpha_instr_alu.c\"\n"); |
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|
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if (cmps[op][0] == 'u') |
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printf("#undef ALU_UNSIGNED\n"); |
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if (strcmp(cmps[op]+strlen(cmps[op])-2,"lt") == 0) |
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printf("#undef ALU_CMP_LT\n"); |
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if (strcmp(cmps[op]+strlen(cmps[op])-2,"le") == 0) |
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printf("#undef ALU_CMP_LE\n"); |
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if (strcmp(cmps[op]+strlen(cmps[op])-2,"eq") == 0) |
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printf("#undef ALU_CMP_EQ\n"); |
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if (imm) |
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printf("#undef ALU_IMM\n"); |
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printf("#undef ALU_N\n"); |
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} |
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printf("#undef ALU_CMP\n"); |
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|
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printf("#define ALU_CMOV\n"); |
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for (imm = 0; imm <= 1; imm ++) |
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for (op = 0; op < N_CMOV; op ++) { |
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printf("#define ALU_N alpha_instr_cmov%s", cmov[op]); |
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if (imm) |
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printf("_imm"); |
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printf("\n"); |
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if (imm) |
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printf("#define ALU_IMM\n"); |
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printf("#define ALU_CMOV_%s\n", cmov[op]); |
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printf("#include \"cpu_alpha_instr_alu.c\"\n"); |
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printf("#undef ALU_CMOV_%s\n", cmov[op]); |
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if (imm) |
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printf("#undef ALU_IMM\n"); |
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printf("#undef ALU_N\n"); |
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} |
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printf("#undef ALU_CMOV\n"); |
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|
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for (imm = 0; imm <= 1; imm ++) |
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for (lo = 0; lo <= 1; lo ++) |
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for (msk = 0; msk <= 2; msk ++) |
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for (size=0; size<4; size++) { |
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if (size==0 && lo==0) |
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continue; |
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switch (msk) { |
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case 0: printf("#define ALU_MSK\n"); break; |
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case 1: printf("#define ALU_EXT\n"); break; |
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case 2: printf("#define ALU_INS\n"); break; |
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} |
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switch (msk) { |
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case 0: printf("#define ALU_N alpha_instr_msk"); break; |
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case 1: printf("#define ALU_N alpha_instr_ext"); break; |
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case 2: printf("#define ALU_N alpha_instr_ins"); break; |
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} |
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printf("%s", sizechar[size]); |
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if (lo) |
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printf("l"); |
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else |
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printf("h"); |
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if (imm) |
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printf("_imm"); |
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printf("\n"); |
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if (imm) |
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printf("#define ALU_IMM\n"); |
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switch (size) { |
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case 0: printf("#define ALU_B\n"); break; |
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case 1: printf("#define ALU_W\n"); break; |
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case 2: printf("#define ALU_L\n"); break; |
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case 3: printf("#define ALU_Q\n"); break; |
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} |
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if (lo) |
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printf("#define ALU_LO\n"); |
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printf("#include \"cpu_alpha_instr_alu.c\"\n"); |
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switch (size) { |
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case 0: printf("#undef ALU_B\n"); break; |
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case 1: printf("#undef ALU_W\n"); break; |
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case 2: printf("#undef ALU_L\n"); break; |
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case 3: printf("#undef ALU_Q\n"); break; |
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} |
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switch (msk) { |
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case 0: printf("#undef ALU_MSK\n"); break; |
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case 1: printf("#undef ALU_EXT\n"); break; |
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case 2: printf("#undef ALU_INS\n"); break; |
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} |
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if (lo) |
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printf("#undef ALU_LO\n"); |
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if (imm) |
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printf("#undef ALU_IMM\n"); |
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printf("#undef ALU_N\n"); |
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} |
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|
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/* |
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* Normal load/store: |
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*/ |
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for (llsc=0; llsc<=1; llsc++) |
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for (aligncheck=0; aligncheck<=1; aligncheck++) |
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for (load=0; load<=1; load++) |
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for (zero=0; zero<=1; zero++) |
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for (size=0; size<4; size++) { |
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if (llsc && size < 2) |
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continue; |
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if (aligncheck) |
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printf("#define LS_ALIGN_CHECK\n"); |
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if (zero) |
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printf("#define LS_IGNORE_OFFSET\n"); |
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if (load) |
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printf("#define LS_LOAD\n"); |
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if (llsc) |
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printf("#define LS_LLSC\n"); |
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switch (size) { |
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case 0: printf("#define LS_B\n"); break; |
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case 1: printf("#define LS_W\n"); break; |
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case 2: printf("#define LS_L\n"); break; |
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case 3: printf("#define LS_Q\n"); break; |
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} |
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printf("#define LS_GENERIC_N alpha_generic_"); |
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if (load) |
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printf("ld"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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if (llsc) |
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printf("_llsc"); |
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printf("\n"); |
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printf("#define LS_N alpha_instr_"); |
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if (load) |
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printf("ld"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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if (zero) |
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printf("_0"); |
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if (aligncheck) |
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printf("_aligncheck"); |
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if (llsc) |
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printf("_llsc"); |
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printf("\n"); |
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printf("#include \"cpu_alpha_instr_loadstore.c\"\n"); |
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printf("#undef LS_N\n"); |
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printf("#undef LS_GENERIC_N\n"); |
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switch (size) { |
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case 0: printf("#undef LS_B\n"); break; |
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case 1: printf("#undef LS_W\n"); break; |
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case 2: printf("#undef LS_L\n"); break; |
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case 3: printf("#undef LS_Q\n"); break; |
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} |
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if (load) |
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printf("#undef LS_LOAD\n"); |
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if (llsc) |
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printf("#undef LS_LLSC\n"); |
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if (zero) |
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printf("#undef LS_IGNORE_OFFSET\n"); |
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if (aligncheck) |
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printf("#undef LS_ALIGN_CHECK\n"); |
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} |
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|
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/* |
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* Unaligned load/store: |
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*/ |
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printf("#define LS_UNALIGNED\n"); |
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for (load=0; load<=1; load++) { |
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size = 3; |
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if (load) |
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printf("#define LS_LOAD\n"); |
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printf("#define LS_Q\n"); |
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printf("#define LS_GENERIC_N alpha_generic_"); |
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if (load) |
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printf("ld"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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printf("_u"); /* NOTE: unaligned */ |
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printf("\n"); |
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printf("#define LS_N alpha_instr_"); |
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if (load) |
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printf("ld"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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printf("_u"); /* NOTE: unaligned */ |
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printf("\n"); |
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printf("#include \"cpu_alpha_instr_loadstore.c\"\n"); |
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printf("#undef LS_N\n"); |
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printf("#undef LS_GENERIC_N\n"); |
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printf("#undef LS_Q\n"); |
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if (load) |
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printf("#undef LS_LOAD\n"); |
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} |
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printf("#undef LS_UNALIGNED\n"); |
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|
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/* Lookup table for most normal loads/stores: */ |
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printf("\n\nvoid (*alpha_loadstore[64])(struct cpu *, struct " |
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"alpha_instr_call *) = {\n"); |
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|
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for (llsc = 0; llsc <= 1; llsc ++) |
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for (aligncheck=0; aligncheck<=1; aligncheck++) |
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for (load=0; load<=1; load++) |
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for (zero=0; zero<=1; zero++) |
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for (size=0; size<4; size++) { |
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printf("\talpha_instr_"); |
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if (llsc && (size != 2 && size != 3)) { |
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printf("nop"); |
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} else { |
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if (load) |
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printf("ld"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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if (zero) |
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printf("_0"); |
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if (aligncheck) |
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printf("_aligncheck"); |
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if (llsc) |
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printf("_llsc"); |
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} |
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if (++n < 64) |
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printf(","); |
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printf("\n"); |
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} |
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|
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printf("};\n\n"); |
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|
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for (ra = 0; ra < 32; ra ++) |
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for (rc = 0; rc < 31; rc ++) |
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if (ra != rc) { |
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printf("static void alpha_instr_mov_%i_%i(struct cpu" |
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" *cpu, struct alpha_instr_call *ic)\n", ra, rc); |
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printf("{ cpu->cd.alpha.r[%i] = ", rc); |
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if (ra == 31) |
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printf("0"); |
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else |
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printf("cpu->cd.alpha.r[%i]", ra); |
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printf("; }\n"); |
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} |
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|
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printf("\n\nvoid (*alpha_mov_r_r[32*31])(struct cpu *, struct " |
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"alpha_instr_call *) = {\n"); |
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n = 0; |
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for (rc = 0; rc < 31; rc ++) |
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for (ra = 0; ra < 32; ra ++) { |
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if (ra == rc) |
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printf("\talpha_instr_nop"); |
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else |
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printf("\talpha_instr_mov_%i_%i", ra, rc); |
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if (++n < 31*32) |
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printf(","); |
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printf("\n"); |
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} |
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|
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printf("};\n\n"); |
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|
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return 0; |
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} |
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|