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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_ppc_loadstore.c,v 1.4 2005/11/23 06:59:52 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", "h", "w", "d" }; |
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char *modes[2] = { "", "32" }; |
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|
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|
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void do_it(int mode) |
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{ |
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int n, load, size, zero, ignoreofs, update; |
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|
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n = 0; |
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for (update=0; update<=1; update++) |
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for (ignoreofs=0; ignoreofs<=1; ignoreofs++) |
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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 (!zero && !load) |
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continue; |
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if (load && !zero && size == 3) |
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continue; |
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|
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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_H\n"); break; |
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case 2: printf("#define LS_W\n"); break; |
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case 3: printf("#define LS_D\n"); break; |
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} |
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printf("#define LS_SIZE %i\n", 1 << size); |
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if (zero) |
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printf("#define LS_ZERO\n"); |
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if (load) |
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printf("#define LS_LOAD\n"); |
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if (ignoreofs) |
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printf("#define LS_IGNOREOFS\n"); |
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if (update) |
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printf("#define LS_UPDATE\n"); |
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|
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printf("#define LS_GENERIC_N ppc%s_generic_", |
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modes[mode]); |
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if (load) |
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printf("l"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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if (load) { |
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if (zero) |
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printf("z"); |
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else |
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printf("a"); |
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} |
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if (update) |
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printf("u"); |
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printf("\n"); |
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|
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printf("#define LS_N ppc%s_instr_", modes[mode]); |
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if (load) |
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printf("l"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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if (load && size < 3) { |
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if (zero) |
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printf("z"); |
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else |
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printf("a"); |
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} |
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if (update) |
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printf("u"); |
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if (ignoreofs) |
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printf("_0"); |
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printf("\n"); |
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|
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printf("#include \"cpu_ppc_instr_loadstore.c\"\n"); |
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|
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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_H\n"); break; |
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case 2: printf("#undef LS_W\n"); break; |
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case 3: printf("#undef LS_D\n"); break; |
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} |
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printf("#undef LS_SIZE\n"); |
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if (load) |
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printf("#undef LS_LOAD\n"); |
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if (update) |
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printf("#undef LS_UPDATE\n"); |
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if (zero) |
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printf("#undef LS_ZERO\n"); |
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if (ignoreofs) |
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printf("#undef LS_IGNOREOFS\n"); |
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} |
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|
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/* Indexed loads/stores: */ |
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printf("#define LS_INDEXED\n"); |
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for (update=0; update<=1; update++) |
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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 (!zero && !load) |
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continue; |
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if (load && !zero && size == 3) |
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continue; |
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|
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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_H\n"); break; |
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case 2: printf("#define LS_W\n"); break; |
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case 3: printf("#define LS_D\n"); break; |
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} |
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printf("#define LS_SIZE %i\n", 1 << size); |
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if (zero) |
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printf("#define LS_ZERO\n"); |
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if (load) |
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printf("#define LS_LOAD\n"); |
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if (update) |
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printf("#define LS_UPDATE\n"); |
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|
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printf("#define LS_GENERIC_N ppc%s_generic_", |
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modes[mode]); |
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if (load) |
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printf("l"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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if (load) { |
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if (zero) |
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printf("z"); |
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else |
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printf("a"); |
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} |
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if (update) |
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printf("u"); |
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printf("x"); |
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printf("\n"); |
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|
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printf("#define LS_N ppc%s_instr_", modes[mode]); |
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if (load) |
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printf("l"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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if (load && size < 3) { |
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if (zero) |
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printf("z"); |
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else |
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printf("a"); |
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} |
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if (update) |
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printf("u"); |
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printf("x"); |
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printf("\n"); |
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|
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printf("#include \"cpu_ppc_instr_loadstore.c\"\n"); |
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|
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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_H\n"); break; |
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case 2: printf("#undef LS_W\n"); break; |
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case 3: printf("#undef LS_D\n"); break; |
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} |
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printf("#undef LS_SIZE\n"); |
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if (load) |
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printf("#undef LS_LOAD\n"); |
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if (update) |
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printf("#undef LS_UPDATE\n"); |
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if (zero) |
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printf("#undef LS_ZERO\n"); |
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} |
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|
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printf("#undef LS_INDEXED\n"); |
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|
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|
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/* Lookup tables for loads/stores: */ |
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printf("\n\nvoid (*ppc%s_loadstore[64])(struct cpu *, struct " |
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"ppc_instr_call *) = {\n", modes[mode]); |
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n = 0; |
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for (update=0; update<=1; update++) |
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for (ignoreofs=0; ignoreofs<=1; ignoreofs++) |
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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("\tppc%s_instr_", modes[mode]); |
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|
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if (load && !zero && size == 3) { |
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printf("invalid"); |
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goto cont; |
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} |
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|
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if (load) |
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printf("l"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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if (load && size < 3) { |
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if (zero) |
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printf("z"); |
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else |
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printf("a"); |
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} |
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if (update) |
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printf("u"); |
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if (ignoreofs) |
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printf("_0"); |
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cont: |
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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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printf("\n\nvoid (*ppc%s_loadstore_indexed[32])(struct cpu *, struct " |
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"ppc_instr_call *) = {\n", modes[mode]); |
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n = 0; |
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for (update=0; update<=1; update++) |
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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("\tppc%s_instr_", modes[mode]); |
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|
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if (load && !zero && size == 3) { |
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printf("invalid"); |
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goto cont_x; |
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} |
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|
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if (load) |
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printf("l"); |
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else |
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printf("st"); |
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printf("%s", sizechar[size]); |
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if (load && size < 3) { |
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if (zero) |
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printf("z"); |
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else |
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printf("a"); |
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} |
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if (update) |
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printf("u"); |
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printf("x"); |
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cont_x: |
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if (++n < 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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/* Non-standard loads/stores: */ |
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printf("#define LS_BYTEREVERSE\n" |
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"#define LS_INDEXED\n" |
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|
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"#define LS_SIZE 2\n" |
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"#define LS_H\n" |
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"#define LS_GENERIC_N ppc%s_generic_lhbrx\n" |
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"#define LS_N ppc%s_instr_lhbrx\n" |
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"#define LS_LOAD\n" |
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"#include \"cpu_ppc_instr_loadstore.c\"\n" |
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"#undef LS_LOAD\n" |
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"#undef LS_N\n" |
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"#undef LS_GENERIC_N\n" |
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"#define LS_GENERIC_N ppc%s_generic_sthbrx\n" |
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"#define LS_N ppc%s_instr_sthbrx\n" |
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"#include \"cpu_ppc_instr_loadstore.c\"\n" |
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"#undef LS_N\n" |
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"#undef LS_GENERIC_N\n" |
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"#undef LS_H\n" |
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"#undef LS_SIZE\n" |
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|
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"#define LS_SIZE 4\n" |
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"#define LS_W\n" |
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"#define LS_GENERIC_N ppc%s_generic_lwbrx\n" |
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"#define LS_N ppc%s_instr_lwbrx\n" |
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"#define LS_LOAD\n" |
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"#include \"cpu_ppc_instr_loadstore.c\"\n" |
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"#undef LS_LOAD\n" |
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"#undef LS_N\n" |
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"#undef LS_GENERIC_N\n" |
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"#define LS_GENERIC_N ppc%s_generic_stwbrx\n" |
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"#define LS_N ppc%s_instr_stwbrx\n" |
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"#include \"cpu_ppc_instr_loadstore.c\"\n" |
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"#undef LS_N\n" |
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"#undef LS_GENERIC_N\n" |
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"#undef LS_W\n" |
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"#undef LS_SIZE\n" |
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|
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"#undef LS_INDEXED\n" |
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"#undef LS_BYTEREVERSE\n", |
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modes[mode], modes[mode], modes[mode], modes[mode], |
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modes[mode], modes[mode], modes[mode], modes[mode]); |
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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 mode; |
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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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for (mode = 0; mode <= 1; mode ++) { |
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if (mode == 0) |
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printf("#ifndef MODE32\n"); |
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else |
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printf("#ifdef MODE32\n"); |
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|
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do_it(mode); |
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|
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printf("#endif\n"); |
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} |
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|
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return 0; |
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} |
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|