| 1 |
cebix |
1.1 |
/* |
| 2 |
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* mon_ppc.cpp - PowerPC disassembler |
| 3 |
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* |
| 4 |
cebix |
1.11 |
* cxmon (C) Christian Bauer, Marc Hellwig |
| 5 |
cebix |
1.2 |
* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
| 17 |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 |
cebix |
1.1 |
*/ |
| 20 |
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| 21 |
cebix |
1.2 |
#include "sysdeps.h" |
| 22 |
cebix |
1.1 |
|
| 23 |
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#include "mon.h" |
| 24 |
cebix |
1.4 |
#include "mon_disass.h" |
| 25 |
cebix |
1.1 |
|
| 26 |
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| 27 |
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// Instruction fields |
| 28 |
gbeauche |
1.9 |
static int primop, exop, vxop, ra, rb, rc, rd; |
| 29 |
cebix |
1.1 |
static unsigned short imm; |
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| 31 |
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| 32 |
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// Codes for trap instructions |
| 33 |
cebix |
1.11 |
static const char *to_code[32] = { |
| 34 |
cebix |
1.1 |
NULL, "lgt", "llt", NULL, "eq", "lge", "lle", NULL, |
| 35 |
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"gt", NULL, NULL, NULL, "ge", NULL, NULL, NULL, |
| 36 |
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"lt", NULL, NULL, NULL, "le", NULL, NULL, NULL, |
| 37 |
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"ne", NULL, NULL, NULL, NULL, NULL, NULL, "" |
| 38 |
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}; |
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// Macros for instruction forms |
| 42 |
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#define iform(s, t) fprintf(f, "%s\t$%08x\n", s, t) |
| 43 |
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| 44 |
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#define bform(s, t) \ |
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if (rd == 0) \ |
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fprintf(f, "bdnzf%s\t%d,$%08x\n", s, ra, t); \ |
| 47 |
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else if (rd == 2) \ |
| 48 |
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fprintf(f, "bdzf%s\t%d,$%08x\n", s, ra, t); \ |
| 49 |
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else if (rd == 4) { \ |
| 50 |
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if (ra == 0) \ |
| 51 |
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fprintf(f, "bge%s\t$%08x\n", s, t); \ |
| 52 |
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else if (ra == 1) \ |
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fprintf(f, "ble%s\t$%08x\n", s, t); \ |
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else if (ra == 2) \ |
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fprintf(f, "bne%s\t$%08x\n", s, t); \ |
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else \ |
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fprintf(f, "bf%s\t%d,$%08x\n", s, ra, t); \ |
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} else if (rd == 8) \ |
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fprintf(f, "bdnzt%s\t%d,$%08x\n", s, ra, t); \ |
| 60 |
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else if (rd == 10) \ |
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fprintf(f, "bdzt%s\t%d,$%08x\n", s, ra, t); \ |
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else if (rd == 12) { \ |
| 63 |
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if (ra == 0) \ |
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fprintf(f, "blt%s\t$%08x\n", s, t); \ |
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else if (ra == 1) \ |
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fprintf(f, "bgt%s\t$%08x\n", s, t); \ |
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else if (ra == 2) \ |
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fprintf(f, "beq%s\t$%08x\n", s, t); \ |
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else \ |
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fprintf(f, "bt%s\t%d,$%08x\n", s, ra, t); \ |
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} else if (rd == 16) \ |
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fprintf(f, "bdnz%s\t$%08x\n", s, t); \ |
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else if (rd == 18) \ |
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fprintf(f, "bdz%s\t$%08x\n", s, t); \ |
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else \ |
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fprintf(f, "bc%s\t%d,%d,$%08x\n", s, rd, ra, t) |
| 77 |
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| 78 |
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#define scform(s) fprintf(f, s "\n") |
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| 80 |
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#define dform_ls(s) \ |
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if (ra == 0) \ |
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fprintf(f, "%s\tr%d,$%08x\n", s, rd, short(imm)); \ |
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else \ |
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fprintf(f, "%s\tr%d,$%04x(r%d)\n", s, rd, short(imm), ra) |
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#define dform_fls(s) \ |
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if (ra == 0) \ |
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fprintf(f, "%s\tfr%d,$%08x\n", s, rd, short(imm)); \ |
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else \ |
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fprintf(f, "%s\tfr%d,$%04x(r%d)\n", s, rd, short(imm), ra) |
| 90 |
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#define dform_simm(s) fprintf(f, "%s\tr%d,r%d,$%04x\n", s, rd, ra, short(imm)) |
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#define dform_simmn(s) fprintf(f, "%s\tr%d,r%d,$%04x\n", s, rd, ra, (-imm) & 0xffff) |
| 92 |
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#define dform_uimm(s) fprintf(f, "%s\tr%d,r%d,$%04x\n", s, ra, rd, imm) |
| 93 |
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#define dform_crs(s) fprintf(f, "%s\tcrf%d,r%d,$%04x\n", s, rd >> 2, ra, short(imm)) |
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#define dform_cru(s) fprintf(f, "%s\tcrf%d,r%d,$%04x\n", s, rd >> 2, ra, imm) |
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#define dform_to(s) fprintf(f, "%s\t%d,r%d,$%04x\n", s, rd, ra, short(imm)) |
| 96 |
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#define dsform(s) fprintf(f, "%s\tr%d,$%04x(r%d)\n", s, rd, short(imm & 0xfffc), ra) |
| 98 |
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| 99 |
gbeauche |
1.9 |
#define xform_vls(s) \ |
| 100 |
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if (ra == 0) \ |
| 101 |
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fprintf(f, "%s\tv%d,r%d\n", s, rd, rb); \ |
| 102 |
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else \ |
| 103 |
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fprintf(f, "%s\tv%d,r%d,r%d\n", s, rd, ra, rb) |
| 104 |
cebix |
1.1 |
#define xform_ls(s) \ |
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if (ra == 0) \ |
| 106 |
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fprintf(f, "%s\tr%d,r%d\n", s, rd, rb); \ |
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else \ |
| 108 |
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fprintf(f, "%s\tr%d,r%d,r%d\n", s, rd, ra, rb) |
| 109 |
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#define xform_fls(s) \ |
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if (ra == 0) \ |
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fprintf(f, "%s\tfr%d,r%d\n", s, rd, rb); \ |
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else \ |
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fprintf(f, "%s\tfr%d,r%d,r%d\n", s, rd, ra, rb) |
| 114 |
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#define xform_lsswi(s) \ |
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if (ra == 0) \ |
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fprintf(f, "%s\tr%d,%d\n", s, rd, rb ? rb : 32); \ |
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else \ |
| 118 |
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fprintf(f, "%s\tr%d,r%d,%d\n", s, rd, ra, rb ? rb : 32) |
| 119 |
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#define xform_db(s) fprintf(f, "%s\tr%d,r%d\n", s, rd, rb) |
| 120 |
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#define xform_d(s) fprintf(f, "%s\tr%d\n", s, rd) |
| 121 |
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#define xform_fsr(s) fprintf(f, s "\tr%d,%d\n", rd, ra & 0xf) |
| 122 |
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#define xform_sabc(s) fprintf(f, "%s%s\tr%d,r%d,r%d\n", s, w & 1 ? "." : "", ra, rd, rb) |
| 123 |
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#define xform_sac(s) fprintf(f, "%s%s\tr%d,r%d\n", s, w & 1 ? "." : "", ra, rd) |
| 124 |
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#define xform_tsr(s) fprintf(f, s "\t%d,r%d\n", ra & 0xf, rd) |
| 125 |
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#define xform_sash(s) fprintf(f, s "%s\tr%d,r%d,%d\n", w & 1 ? "." : "", ra, rd, rb) |
| 126 |
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#define xform_crlab(s) fprintf(f, "%s\tcrf%d,r%d,r%d\n", s, rd >> 2, ra, rb) |
| 127 |
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#define xform_fcrab(s) fprintf(f, "%s\tcrf%d,fr%d,fr%d\n", s, rd >> 2, ra, rb) |
| 128 |
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#define xform_crcr(s) fprintf(f, "%s\tcrf%d,crf%d\n", s, rd >> 2, ra >> 2) |
| 129 |
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#define xform_cr(s) fprintf(f, "%s\tcrf%d\n", s, rd >> 2) |
| 130 |
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#define xform_cri(s) fprintf(f, s "%s\tcrf%d,%d\n", w & 1 ? "." : "", rd >> 2, rb >> 1) |
| 131 |
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#define xform_to(s) fprintf(f, "%s\t%d,r%d,r%d\n", s, rd, ra, rb) |
| 132 |
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#define xform_fdb(s) fprintf(f, "%s%s\tfr%d,fr%d\n", s, w & 1 ? "." : "", rd, rb) |
| 133 |
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#define xform_fd(s) fprintf(f, "%s%s\tfr%d\n", s, w & 1 ? "." : "", rd) |
| 134 |
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#define xform_crb(s) fprintf(f, "%s%s\tcrb%d\n", s, w & 1 ? "." : "", rd) |
| 135 |
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#define xform_ab(s) fprintf(f, "%s\tr%d,r%d\n", s, ra, rb) |
| 136 |
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#define xform_b(s) fprintf(f, "%s\tr%d\n", s, rb) |
| 137 |
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#define xform(s) fprintf(f, s "\n") |
| 138 |
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| 139 |
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#define xlform_b(s) fprintf(f, "%s\t%d,%d\n", s, rd, ra) |
| 140 |
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#define xlform_cr(s) fprintf(f, "%s\tcrb%d,crb%d,crb%d\n", s, rd, ra, rb) |
| 141 |
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#define xlform_crcr(s) fprintf(f, "%s\tcrf%d,crf%d\n", s, rd >> 2, ra >> 2) |
| 142 |
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#define xlform(s) fprintf(f, s "\n") |
| 143 |
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| 144 |
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#define xfxform_fspr(s) fprintf(f, "%s\tr%d,SPR%d\n", s, rd, ra | (rb << 5)) |
| 145 |
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#define xfxform_crm(s) fprintf(f, s "\t$%02x,r%d\n", w >> 12 & 0xff, rd) |
| 146 |
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#define xfxform_tspr(s) fprintf(f, "%s\tSPR%d,r%d\n", s, ra | (rb << 5), rd) |
| 147 |
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#define xfxform_tb(s) fprintf(f, "%s\tr%d\n", s, rd) |
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#define xflform(s) fprintf(f, s "%s\t$%02x,fr%d\n", w & 1 ? "." : "", w >> 17 & 0xff, rb) |
| 150 |
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| 151 |
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#define xsform(s) fprintf(f, s "%s\tr%d,r%d,%d\n", w & 1 ? "." : "", ra, rd, rb | (w & 2 ? 32 : 0)) |
| 152 |
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| 153 |
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#define xoform_dab(s) fprintf(f, "%s%s\tr%d,r%d,r%d\n", s, w & 1 ? "." : "", rd, ra, rb) |
| 154 |
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#define xoform_da(s) fprintf(f, "%s%s\tr%d,r%d\n", s, w & 1 ? "." : "", rd, ra) |
| 155 |
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| 156 |
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#define aform_dab(s) fprintf(f, "%s%s\tfr%d,fr%d,fr%d\n", s, w & 1 ? "." : "", rd, ra, rb) |
| 157 |
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#define aform_db(s) fprintf(f, "%s%s\tfr%d,fr%d\n", s, w & 1 ? "." : "", rd, rb) |
| 158 |
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#define aform_dac(s) fprintf(f, "%s%s\tfr%d,fr%d,fr%d\n", s, w & 1 ? "." : "", rd, ra, rc) |
| 159 |
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#define aform_dacb(s) fprintf(f, "%s%s\tfr%d,fr%d,fr%d,fr%d\n", s, w & 1 ? "." : "", rd, ra, rc, rb) |
| 160 |
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| 161 |
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#define mform(s) fprintf(f, "%s%s\tr%d,r%d,r%d,$%08x\n", s, w & 1 ? "." : "", ra, rd, rb, mbme2mask(w >> 6 & 31, w >>1 & 31)) |
| 162 |
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#define mform_i(s) fprintf(f, "%s%s\tr%d,r%d,%d,$%08x\n", s, w & 1 ? "." : "", ra, rd, rb, mbme2mask(w >> 6 & 31, w >>1 & 31)) |
| 163 |
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| 164 |
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#define mdform(s) fprintf(f, "%s%s\tr%d,r%d,%d,%d\n", s, w & 1 ? "." : "", ra, rd, rb | (w & 2 ? 32 : 0), rc | (w & 32 ? 32 : 0)) |
| 165 |
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| 166 |
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#define mdsform(s) fprintf(f, "%s%s\tr%d,r%d,r%d,%d\n", s, w & 1 ? "." : "", ra, rd, rb, rc | (w & 32 ? 32 : 0)) |
| 167 |
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| 168 |
gbeauche |
1.10 |
#define va_form(s) fprintf(f, "%s\tv%d,v%d,v%d,v%d\n", s, rd, ra, rb, rc) |
| 169 |
gbeauche |
1.9 |
#define vx_form(s) fprintf(f, "%s\tv%d,v%d,v%d\n", s, rd, ra, rb) |
| 170 |
gbeauche |
1.10 |
#define vxr_form(s) fprintf(f, "%s%s\tv%d,v%d,v%d\n", s, w & (1 << 10) ? "." : "", rd, ra, rb) |
| 171 |
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#define vxi_ra_form(s) fprintf(f, "%s\tv%d,v%d,%d\n", s, rd, rb, ra) |
| 172 |
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#define vx_raz_form(s) \ |
| 173 |
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if (ra == 0) \ |
| 174 |
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fprintf(f, "%s\tv%d,v%d\n", s, rd, rb); \ |
| 175 |
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else \ |
| 176 |
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fprintf(f, "?\n") |
| 177 |
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#define vxi_ras_rbz_form(s) \ |
| 178 |
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if (rb == 0) \ |
| 179 |
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fprintf(f, "%s\tv%d,%d\n", s, rd, ra - (ra & 0x10 ? 0x20 : 0)); \ |
| 180 |
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else \ |
| 181 |
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fprintf(f, "?\n") |
| 182 |
cebix |
1.1 |
|
| 183 |
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// Prototypes |
| 184 |
gbeauche |
1.9 |
static void disass4(FILE *f, unsigned int adr, unsigned int w); |
| 185 |
cebix |
1.1 |
static void disass19(FILE *f, unsigned int adr, unsigned int w); |
| 186 |
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static void disass31(FILE *f, unsigned int adr, unsigned int w); |
| 187 |
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static void disass59(FILE *f, unsigned int adr, unsigned int w); |
| 188 |
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static void disass63(FILE *f, unsigned int adr, unsigned int w); |
| 189 |
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static unsigned int mbme2mask(int mb, int me); |
| 190 |
cebix |
1.11 |
static const char *get_spr(int reg); |
| 191 |
cebix |
1.1 |
|
| 192 |
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| 193 |
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/* |
| 194 |
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* Disassemble one instruction |
| 195 |
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*/ |
| 196 |
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| 197 |
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void disass_ppc(FILE *f, unsigned int adr, unsigned int w) |
| 198 |
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{ |
| 199 |
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// Divide instruction into fields |
| 200 |
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primop = w >> 26; |
| 201 |
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rd = w >> 21 & 0x1f; |
| 202 |
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ra = w >> 16 & 0x1f; |
| 203 |
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rb = w >> 11 & 0x1f; |
| 204 |
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rc = w >> 6 & 0x1f; |
| 205 |
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exop = w >> 1 & 0x3ff; |
| 206 |
gbeauche |
1.9 |
vxop = w & 0x7ff; |
| 207 |
cebix |
1.1 |
imm = w & 0xffff; |
| 208 |
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| 209 |
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// Decode primary opcode |
| 210 |
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switch (primop) { |
| 211 |
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case 2: // 64 bit |
| 212 |
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if (to_code[rd] != NULL) |
| 213 |
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fprintf(f, "td%si\tr%d,$%04x\n", to_code[rd], ra, short(imm)); |
| 214 |
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else |
| 215 |
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dform_to("tdi"); |
| 216 |
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break; |
| 217 |
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| 218 |
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case 3: |
| 219 |
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if (to_code[rd] != NULL) |
| 220 |
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fprintf(f, "tw%si\tr%d,$%04x\n", to_code[rd], ra, short(imm)); |
| 221 |
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else |
| 222 |
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dform_to("twi"); |
| 223 |
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break; |
| 224 |
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| 225 |
gbeauche |
1.9 |
case 4: // AltiVec |
| 226 |
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disass4(f, adr, w); |
| 227 |
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break; |
| 228 |
cebix |
1.1 |
|
| 229 |
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case 7: dform_simm("mulli"); break; |
| 230 |
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case 8: dform_simm("subfic"); break; |
| 231 |
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| 232 |
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case 10: |
| 233 |
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if (rd & 1) |
| 234 |
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dform_cru("cmpldi"); // 64 bit |
| 235 |
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else |
| 236 |
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dform_cru("cmplwi"); |
| 237 |
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break; |
| 238 |
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| 239 |
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case 11: |
| 240 |
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if (rd & 1) |
| 241 |
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dform_crs("cmpdi"); // 64 bit |
| 242 |
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else |
| 243 |
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dform_crs("cmpwi"); |
| 244 |
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break; |
| 245 |
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| 246 |
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case 12: |
| 247 |
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if (imm < 0x8000) |
| 248 |
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dform_simm("addic"); |
| 249 |
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else |
| 250 |
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dform_simmn("subic"); |
| 251 |
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break; |
| 252 |
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| 253 |
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case 13: |
| 254 |
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if (imm < 0x8000) |
| 255 |
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dform_simm("addic."); |
| 256 |
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else |
| 257 |
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dform_simmn("subic."); |
| 258 |
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break; |
| 259 |
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| 260 |
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case 14: |
| 261 |
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if (ra == 0) |
| 262 |
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fprintf(f, "li\tr%d,$%04x\n", rd, short(imm)); |
| 263 |
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else |
| 264 |
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if (imm < 0x8000) |
| 265 |
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dform_simm("addi"); |
| 266 |
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else |
| 267 |
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dform_simmn("subi"); |
| 268 |
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break; |
| 269 |
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| 270 |
|
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case 15: |
| 271 |
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if (ra == 0) |
| 272 |
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fprintf(f, "lis\tr%d,$%04x\n", rd, imm); |
| 273 |
|
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else |
| 274 |
|
|
if (imm < 0x8000) |
| 275 |
|
|
dform_simm("addis"); |
| 276 |
|
|
else |
| 277 |
|
|
dform_simmn("subis"); |
| 278 |
|
|
break; |
| 279 |
|
|
|
| 280 |
|
|
case 16: { |
| 281 |
|
|
int target = short(imm & 0xfffc); |
| 282 |
cebix |
1.11 |
const char *form; |
| 283 |
cebix |
1.1 |
if (w & 1) |
| 284 |
|
|
if (w & 2) |
| 285 |
|
|
form = "la"; |
| 286 |
|
|
else { |
| 287 |
|
|
form = "l"; |
| 288 |
|
|
target += adr; |
| 289 |
|
|
} |
| 290 |
|
|
else |
| 291 |
|
|
if (w & 2) |
| 292 |
|
|
form = "a"; |
| 293 |
|
|
else { |
| 294 |
|
|
form = ""; |
| 295 |
|
|
target += adr; |
| 296 |
|
|
} |
| 297 |
|
|
bform(form, target); |
| 298 |
|
|
break; |
| 299 |
|
|
} |
| 300 |
|
|
|
| 301 |
|
|
case 17: |
| 302 |
|
|
if (w & 2) |
| 303 |
|
|
scform("sc"); |
| 304 |
|
|
else |
| 305 |
|
|
fprintf(f, "?\n"); |
| 306 |
|
|
break; |
| 307 |
|
|
|
| 308 |
|
|
case 18: { |
| 309 |
|
|
int target = w & 0x03fffffc; |
| 310 |
|
|
if (target & 0x02000000) |
| 311 |
|
|
target |= 0xfc000000; |
| 312 |
|
|
if (w & 1) |
| 313 |
|
|
if (w & 2) |
| 314 |
|
|
iform("bla", target); |
| 315 |
|
|
else |
| 316 |
|
|
iform("bl", adr + target); |
| 317 |
|
|
else |
| 318 |
|
|
if (w & 2) |
| 319 |
|
|
iform("ba", target); |
| 320 |
|
|
else |
| 321 |
|
|
iform("b", adr + target); |
| 322 |
|
|
break; |
| 323 |
|
|
} |
| 324 |
|
|
|
| 325 |
|
|
case 19: disass19(f, adr, w); break; |
| 326 |
|
|
case 20: mform_i("rlwimi"); break; |
| 327 |
|
|
case 21: mform_i("rlwinm"); break; |
| 328 |
|
|
case 23: mform("rlwnm"); break; |
| 329 |
|
|
|
| 330 |
|
|
case 24: |
| 331 |
|
|
if (rd == 0 && ra == 0 && imm == 0) |
| 332 |
|
|
fprintf(f, "nop\n"); |
| 333 |
|
|
else |
| 334 |
|
|
dform_uimm("ori"); |
| 335 |
|
|
break; |
| 336 |
|
|
|
| 337 |
|
|
case 25: dform_uimm("oris"); break; |
| 338 |
|
|
case 26: dform_uimm("xori"); break; |
| 339 |
|
|
case 27: dform_uimm("xoris"); break; |
| 340 |
|
|
case 28: dform_uimm("andi."); break; |
| 341 |
|
|
case 29: dform_uimm("andis."); break; |
| 342 |
|
|
|
| 343 |
|
|
case 30: // 64 bit |
| 344 |
|
|
switch (w >> 1 & 0xf) { |
| 345 |
|
|
case 0: case 1: mdform("rldicl"); break; |
| 346 |
|
|
case 2: case 3: mdform("rldicr"); break; |
| 347 |
|
|
case 4: case 5: mdform("rldic"); break; |
| 348 |
|
|
case 6: case 7: mdform("rldimi"); break; |
| 349 |
|
|
case 8: mdsform("rldcl"); break; |
| 350 |
|
|
case 9: mdsform("rldcr"); break; |
| 351 |
|
|
default: |
| 352 |
|
|
fprintf(f, "?\n"); |
| 353 |
|
|
break; |
| 354 |
|
|
}; |
| 355 |
|
|
break; |
| 356 |
|
|
|
| 357 |
|
|
case 31: disass31(f, adr, w); break; |
| 358 |
|
|
case 32: dform_ls("lwz"); break; |
| 359 |
|
|
case 33: dform_ls("lwzu"); break; |
| 360 |
|
|
case 34: dform_ls("lbz"); break; |
| 361 |
|
|
case 35: dform_ls("lbzu"); break; |
| 362 |
|
|
case 36: dform_ls("stw"); break; |
| 363 |
|
|
case 37: dform_ls("stwu"); break; |
| 364 |
|
|
case 38: dform_ls("stb"); break; |
| 365 |
|
|
case 39: dform_ls("stbu"); break; |
| 366 |
|
|
case 40: dform_ls("lhz"); break; |
| 367 |
|
|
case 41: dform_ls("lhzu"); break; |
| 368 |
|
|
case 42: dform_ls("lha"); break; |
| 369 |
|
|
case 43: dform_ls("lhau"); break; |
| 370 |
|
|
case 44: dform_ls("sth"); break; |
| 371 |
|
|
case 45: dform_ls("sthu"); break; |
| 372 |
|
|
case 46: dform_ls("lmw"); break; |
| 373 |
|
|
case 47: dform_ls("stmw"); break; |
| 374 |
|
|
case 48: dform_fls("lfs"); break; |
| 375 |
|
|
case 49: dform_fls("lfsu"); break; |
| 376 |
|
|
case 50: dform_fls("lfd"); break; |
| 377 |
|
|
case 51: dform_fls("lfdu"); break; |
| 378 |
|
|
case 52: dform_fls("stfs"); break; |
| 379 |
|
|
case 53: dform_fls("stfsu"); break; |
| 380 |
|
|
case 54: dform_fls("stfd"); break; |
| 381 |
|
|
case 55: dform_fls("stfdu"); break; |
| 382 |
|
|
|
| 383 |
|
|
case 58: // 64 bit |
| 384 |
|
|
switch (w & 3) { |
| 385 |
|
|
case 0: dsform("ld"); break; |
| 386 |
|
|
case 1: dsform("ldu"); break; |
| 387 |
|
|
case 2: dsform("lwa"); break; |
| 388 |
|
|
default: |
| 389 |
|
|
fprintf(f, "?\n"); |
| 390 |
|
|
break; |
| 391 |
|
|
} |
| 392 |
|
|
break; |
| 393 |
|
|
|
| 394 |
|
|
case 59: disass59(f, adr, w); break; |
| 395 |
|
|
|
| 396 |
|
|
case 62: // 64 bit |
| 397 |
|
|
switch (w & 3) { |
| 398 |
|
|
case 0: dsform("std"); break; |
| 399 |
|
|
case 1: dsform("stdu"); break; |
| 400 |
|
|
default: |
| 401 |
|
|
fprintf(f, "?\n"); |
| 402 |
|
|
break; |
| 403 |
|
|
} |
| 404 |
|
|
break; |
| 405 |
|
|
|
| 406 |
|
|
case 63: disass63(f, adr, w); break; |
| 407 |
|
|
|
| 408 |
|
|
default: |
| 409 |
|
|
if (!w) |
| 410 |
|
|
fprintf(f, "illegal\n"); |
| 411 |
|
|
else |
| 412 |
|
|
fprintf(f, "?\n"); |
| 413 |
|
|
break; |
| 414 |
|
|
} |
| 415 |
|
|
} |
| 416 |
|
|
|
| 417 |
|
|
|
| 418 |
|
|
/* |
| 419 |
gbeauche |
1.9 |
* Disassemble instruction with primary opcode = 4 (VX-Form) |
| 420 |
|
|
*/ |
| 421 |
|
|
|
| 422 |
|
|
static void disass4(FILE *f, unsigned int adr, unsigned int w) |
| 423 |
|
|
{ |
| 424 |
|
|
switch (vxop) { |
| 425 |
gbeauche |
1.10 |
case 1540: |
| 426 |
|
|
if (ra == 0 && rb == 0) |
| 427 |
|
|
fprintf(f, "mfvscr\tv%d\n", rd); |
| 428 |
|
|
else |
| 429 |
|
|
fprintf(f, "?\n"); |
| 430 |
|
|
break; |
| 431 |
|
|
case 1604: |
| 432 |
|
|
if (rd == 0 && ra == 0) |
| 433 |
|
|
fprintf(f, "mtvscr\tv%d\n", rb); |
| 434 |
|
|
else |
| 435 |
|
|
fprintf(f, "?\n"); |
| 436 |
|
|
break; |
| 437 |
gbeauche |
1.9 |
case 384: vx_form("vaddcuw"); break; |
| 438 |
|
|
case 10: vx_form("vaddfp"); break; |
| 439 |
|
|
case 768: vx_form("vaddsbs"); break; |
| 440 |
|
|
case 832: vx_form("vaddshs"); break; |
| 441 |
|
|
case 896: vx_form("vaddsws"); break; |
| 442 |
|
|
case 0: vx_form("vaddubm"); break; |
| 443 |
|
|
case 512: vx_form("vaddubs"); break; |
| 444 |
|
|
case 64: vx_form("vadduhm"); break; |
| 445 |
|
|
case 576: vx_form("vadduhs"); break; |
| 446 |
|
|
case 128: vx_form("vadduwm"); break; |
| 447 |
|
|
case 640: vx_form("vadduws"); break; |
| 448 |
|
|
case 1028: vx_form("vand"); break; |
| 449 |
|
|
case 1092: vx_form("vandc"); break; |
| 450 |
|
|
case 1282: vx_form("vavgsb"); break; |
| 451 |
|
|
case 1346: vx_form("vavgsh"); break; |
| 452 |
|
|
case 1410: vx_form("vavgsw"); break; |
| 453 |
|
|
case 1026: vx_form("vavgub"); break; |
| 454 |
|
|
case 1090: vx_form("vavguh"); break; |
| 455 |
|
|
case 1154: vx_form("vavguw"); break; |
| 456 |
gbeauche |
1.10 |
case 842: vxi_ra_form("vcfsx"); break; |
| 457 |
|
|
case 778: vxi_ra_form("vcfux"); break; |
| 458 |
|
|
case 966: case 966+1024: vxr_form("vcmpbfp"); break; |
| 459 |
|
|
case 198: case 198+1024: vxr_form("vcmpeqfp"); break; |
| 460 |
|
|
case 6: case 6+1024: vxr_form("vcmpequb"); break; |
| 461 |
|
|
case 70: case 70+1024: vxr_form("vcmpequh"); break; |
| 462 |
|
|
case 134: case 134+1024: vxr_form("vcmpequw"); break; |
| 463 |
|
|
case 454: case 454+1024: vxr_form("vcmpgefp"); break; |
| 464 |
|
|
case 710: case 710+1024: vxr_form("vcmpgtfp"); break; |
| 465 |
|
|
case 774: case 774+1024: vxr_form("vcmpgtsb"); break; |
| 466 |
|
|
case 838: case 838+1024: vxr_form("vcmpgtsh"); break; |
| 467 |
|
|
case 902: case 902+1024: vxr_form("vcmpgtsw"); break; |
| 468 |
|
|
case 518: case 518+1024: vxr_form("vcmpgtub"); break; |
| 469 |
|
|
case 582: case 582+1024: vxr_form("vcmpgtuh"); break; |
| 470 |
|
|
case 646: case 646+1024: vxr_form("vcmpgtuw"); break; |
| 471 |
|
|
case 970: vxi_ra_form("vctsxs"); break; |
| 472 |
|
|
case 906: vxi_ra_form("vctuxs"); break; |
| 473 |
|
|
case 394: vx_raz_form("vexptefp"); break; |
| 474 |
|
|
case 458: vx_raz_form("vlogefp"); break; |
| 475 |
gbeauche |
1.9 |
case 1034: vx_form("vmaxfp"); break; |
| 476 |
|
|
case 258: vx_form("vmaxsb"); break; |
| 477 |
|
|
case 322: vx_form("vmaxsh"); break; |
| 478 |
|
|
case 386: vx_form("vmaxsw"); break; |
| 479 |
|
|
case 2: vx_form("vmaxub"); break; |
| 480 |
gbeauche |
1.10 |
case 66: vx_form("vmaxuh"); break; |
| 481 |
gbeauche |
1.9 |
case 130: vx_form("vmaxuw"); break; |
| 482 |
|
|
case 1098: vx_form("vminfp"); break; |
| 483 |
|
|
case 770: vx_form("vminsb"); break; |
| 484 |
|
|
case 834: vx_form("vminsh"); break; |
| 485 |
|
|
case 898: vx_form("vminsw"); break; |
| 486 |
|
|
case 514: vx_form("vminub"); break; |
| 487 |
|
|
case 578: vx_form("vminuh"); break; |
| 488 |
|
|
case 642: vx_form("vminuw"); break; |
| 489 |
|
|
case 12: vx_form("vmrghb"); break; |
| 490 |
|
|
case 76: vx_form("vmrghh"); break; |
| 491 |
|
|
case 140: vx_form("vmrghw"); break; |
| 492 |
|
|
case 268: vx_form("vmrglb"); break; |
| 493 |
|
|
case 332: vx_form("vmrglh"); break; |
| 494 |
|
|
case 396: vx_form("vmrglw"); break; |
| 495 |
|
|
case 776: vx_form("vmulesb"); break; |
| 496 |
|
|
case 840: vx_form("vmulesh"); break; |
| 497 |
|
|
case 520: vx_form("vmuleub"); break; |
| 498 |
|
|
case 584: vx_form("vmuleuh"); break; |
| 499 |
|
|
case 264: vx_form("vmulosb"); break; |
| 500 |
|
|
case 328: vx_form("vmulosh"); break; |
| 501 |
|
|
case 8: vx_form("vmuloub"); break; |
| 502 |
|
|
case 72: vx_form("vmulouh"); break; |
| 503 |
|
|
case 1284: vx_form("vnor"); break; |
| 504 |
|
|
case 1156: vx_form("vor"); break; |
| 505 |
|
|
case 782: vx_form("vpkpx"); break; |
| 506 |
|
|
case 398: vx_form("vpkshss"); break; |
| 507 |
|
|
case 270: vx_form("vpkshus"); break; |
| 508 |
|
|
case 462: vx_form("vpkswss"); break; |
| 509 |
|
|
case 334: vx_form("vpkswus"); break; |
| 510 |
|
|
case 14: vx_form("vpkuhum"); break; |
| 511 |
|
|
case 142: vx_form("vpkuhus"); break; |
| 512 |
|
|
case 78: vx_form("vpkuwum"); break; |
| 513 |
|
|
case 206: vx_form("vpkuwus"); break; |
| 514 |
gbeauche |
1.10 |
case 266: vx_raz_form("vrefp"); break; |
| 515 |
|
|
case 714: vx_raz_form("vrfim"); break; |
| 516 |
|
|
case 522: vx_raz_form("vrfin"); break; |
| 517 |
|
|
case 650: vx_raz_form("vrfip"); break; |
| 518 |
|
|
case 586: vx_raz_form("vrfiz"); break; |
| 519 |
gbeauche |
1.9 |
case 4: vx_form("vrlb"); break; |
| 520 |
|
|
case 68: vx_form("vrlh"); break; |
| 521 |
|
|
case 132: vx_form("vrlw"); break; |
| 522 |
gbeauche |
1.10 |
case 330: vx_raz_form("vrsqrtefp"); break; |
| 523 |
gbeauche |
1.9 |
case 452: vx_form("vsl"); break; |
| 524 |
|
|
case 260: vx_form("vslb"); break; |
| 525 |
|
|
case 324: vx_form("vslh"); break; |
| 526 |
|
|
case 1036: vx_form("vslo"); break; |
| 527 |
|
|
case 388: vx_form("vslw"); break; |
| 528 |
gbeauche |
1.10 |
case 524: vxi_ra_form("vspltb"); break; |
| 529 |
|
|
case 588: vxi_ra_form("vsplth"); break; |
| 530 |
|
|
case 780: vxi_ras_rbz_form("vspltisb"); break; |
| 531 |
|
|
case 844: vxi_ras_rbz_form("vspltish"); break; |
| 532 |
|
|
case 908: vxi_ras_rbz_form("vspltisw"); break; |
| 533 |
|
|
case 652: vxi_ra_form("vspltw"); break; |
| 534 |
gbeauche |
1.9 |
case 708: vx_form("vsr"); break; |
| 535 |
|
|
case 772: vx_form("vsrab"); break; |
| 536 |
|
|
case 836: vx_form("vsrah"); break; |
| 537 |
|
|
case 900: vx_form("vsraw"); break; |
| 538 |
|
|
case 516: vx_form("vsrb"); break; |
| 539 |
|
|
case 580: vx_form("vsrh"); break; |
| 540 |
|
|
case 1100: vx_form("vsro"); break; |
| 541 |
|
|
case 644: vx_form("vsrw"); break; |
| 542 |
|
|
case 1408: vx_form("vsubcuw"); break; |
| 543 |
|
|
case 74: vx_form("vsubfp"); break; |
| 544 |
|
|
case 1792: vx_form("vsubsbs"); break; |
| 545 |
|
|
case 1856: vx_form("vsubshs"); break; |
| 546 |
|
|
case 1920: vx_form("vsubsws"); break; |
| 547 |
|
|
case 1024: vx_form("vsububm"); break; |
| 548 |
|
|
case 1536: vx_form("vsububs"); break; |
| 549 |
|
|
case 1088: vx_form("vsubuhm"); break; |
| 550 |
|
|
case 1600: vx_form("vsubuhs"); break; |
| 551 |
|
|
case 1152: vx_form("vsubuwm"); break; |
| 552 |
|
|
case 1664: vx_form("vsubuws"); break; |
| 553 |
|
|
case 1928: vx_form("vsumsws"); break; |
| 554 |
|
|
case 1672: vx_form("vsum2sws"); break; |
| 555 |
|
|
case 1800: vx_form("vsum4sbs"); break; |
| 556 |
|
|
case 1608: vx_form("vsum4shs"); break; |
| 557 |
|
|
case 1544: vx_form("vsum4ubs"); break; |
| 558 |
gbeauche |
1.10 |
case 846: vx_raz_form("vupkhpx"); break; |
| 559 |
|
|
case 526: vx_raz_form("vupkhsb"); break; |
| 560 |
|
|
case 590: vx_raz_form("vupkhsh"); break; |
| 561 |
|
|
case 974: vx_raz_form("vupklpx"); break; |
| 562 |
|
|
case 654: vx_raz_form("vupklsb"); break; |
| 563 |
|
|
case 718: vx_raz_form("vupklsh"); break; |
| 564 |
|
|
case 1220: vx_form("vxor"); break; |
| 565 |
gbeauche |
1.9 |
default: |
| 566 |
gbeauche |
1.10 |
if ((vxop & 0x43f) == 44) { // vsldoi vD,vA,vB,SHB |
| 567 |
|
|
fprintf(f, "vsldoi\tv%d,v%d,v%d,%d\n", rd, ra, rb, rc & 15); |
| 568 |
gbeauche |
1.9 |
break; |
| 569 |
|
|
} |
| 570 |
gbeauche |
1.10 |
switch (vxop & 0x3f) { // VA-form, must come last |
| 571 |
|
|
case 46: va_form("vmaddfp"); break; |
| 572 |
|
|
case 32: va_form("vmhaddshs"); break; |
| 573 |
|
|
case 33: va_form("vmhraddshs"); break; |
| 574 |
|
|
case 34: va_form("vmladduhm"); break; |
| 575 |
|
|
case 37: va_form("vmsummbm"); break; |
| 576 |
|
|
case 40: va_form("vmsumshm"); break; |
| 577 |
|
|
case 41: va_form("vmsumshs"); break; |
| 578 |
|
|
case 36: va_form("vmsumubm"); break; |
| 579 |
|
|
case 38: va_form("vmsumuhm"); break; |
| 580 |
|
|
case 39: va_form("vmsumuhs"); break; |
| 581 |
|
|
case 47: va_form("vnmsubfp"); break; |
| 582 |
|
|
case 43: va_form("vperm"); break; |
| 583 |
|
|
case 42: va_form("vsel"); break; |
| 584 |
|
|
default: fprintf(f, "?\n"); break; |
| 585 |
|
|
} |
| 586 |
gbeauche |
1.9 |
break; |
| 587 |
|
|
} |
| 588 |
|
|
} |
| 589 |
|
|
|
| 590 |
|
|
|
| 591 |
|
|
/* |
| 592 |
cebix |
1.1 |
* Disassemble instruction with primary opcode = 19 (XL-Form) |
| 593 |
|
|
*/ |
| 594 |
|
|
|
| 595 |
|
|
static void disass19(FILE *f, unsigned int adr, unsigned int w) |
| 596 |
|
|
{ |
| 597 |
|
|
switch (exop) { |
| 598 |
|
|
case 0: xlform_crcr("mcrf"); break; |
| 599 |
|
|
|
| 600 |
|
|
case 16: |
| 601 |
|
|
if (w & 1) |
| 602 |
|
|
if (rd == 20) |
| 603 |
|
|
fprintf(f, "blrl\n"); |
| 604 |
|
|
else |
| 605 |
|
|
xlform_b("bclrl"); |
| 606 |
|
|
else |
| 607 |
|
|
if (rd == 20) |
| 608 |
|
|
fprintf(f, "blr\n"); |
| 609 |
|
|
else |
| 610 |
|
|
xlform_b("bclr"); |
| 611 |
|
|
break; |
| 612 |
|
|
|
| 613 |
|
|
case 33: |
| 614 |
|
|
if (ra == rb) |
| 615 |
|
|
fprintf(f, "crnot\tcrb%d,crb%d\n", rd, ra); |
| 616 |
|
|
else |
| 617 |
|
|
xlform_cr("crnor"); |
| 618 |
|
|
break; |
| 619 |
|
|
|
| 620 |
|
|
case 50: xlform("rfi"); break; |
| 621 |
|
|
case 129: xlform_cr("crandc"); break; |
| 622 |
|
|
case 150: xlform("isync"); break; |
| 623 |
|
|
|
| 624 |
|
|
case 193: |
| 625 |
|
|
if (ra == rd && rb == rd) |
| 626 |
|
|
fprintf(f, "crclr\tcrb%d\n", rd); |
| 627 |
|
|
else |
| 628 |
|
|
xlform_cr("crxor"); |
| 629 |
|
|
break; |
| 630 |
|
|
|
| 631 |
|
|
case 225: xlform_cr("crnand"); break; |
| 632 |
|
|
case 257: xlform_cr("crand"); break; |
| 633 |
|
|
|
| 634 |
|
|
case 289: |
| 635 |
|
|
if (ra == rd && rb == rd) |
| 636 |
|
|
fprintf(f, "crset\tcrb%d\n", rd); |
| 637 |
|
|
else |
| 638 |
|
|
xlform_cr("creqv"); |
| 639 |
|
|
break; |
| 640 |
|
|
|
| 641 |
|
|
case 417: xlform_cr("crorc"); break; |
| 642 |
|
|
|
| 643 |
|
|
case 449: |
| 644 |
|
|
if (ra == rb) |
| 645 |
|
|
fprintf(f, "crmove\tcrb%d,crb%d\n", rd, ra); |
| 646 |
|
|
else |
| 647 |
|
|
xlform_cr("cror"); |
| 648 |
|
|
break; |
| 649 |
|
|
|
| 650 |
|
|
case 528: |
| 651 |
|
|
if (w & 1) |
| 652 |
|
|
if (rd == 20) |
| 653 |
|
|
fprintf(f, "bctrl\n"); |
| 654 |
|
|
else |
| 655 |
|
|
xlform_b("bcctrl"); |
| 656 |
|
|
else |
| 657 |
|
|
if (rd == 20) |
| 658 |
|
|
fprintf(f, "bctr\n"); |
| 659 |
|
|
else |
| 660 |
|
|
xlform_b("bcctr"); |
| 661 |
|
|
break; |
| 662 |
|
|
|
| 663 |
|
|
default: |
| 664 |
|
|
fprintf(f, "?\n"); |
| 665 |
|
|
break; |
| 666 |
|
|
} |
| 667 |
|
|
} |
| 668 |
|
|
|
| 669 |
|
|
|
| 670 |
|
|
/* |
| 671 |
|
|
* Disassemble instruction with primary opcode = 31 (X-Form/XO-Form/XFX-Form/XS-Form) |
| 672 |
|
|
*/ |
| 673 |
|
|
|
| 674 |
|
|
static void disass31(FILE *f, unsigned int adr, unsigned int w) |
| 675 |
|
|
{ |
| 676 |
|
|
switch (exop) { |
| 677 |
|
|
case 0: |
| 678 |
|
|
if (rd & 1) |
| 679 |
|
|
xform_crlab("cmpd"); // 64 bit |
| 680 |
|
|
else |
| 681 |
|
|
xform_crlab("cmpw"); |
| 682 |
|
|
break; |
| 683 |
|
|
|
| 684 |
|
|
case 4: |
| 685 |
|
|
if (rd == 31 && ra == 0 && rb == 0) |
| 686 |
|
|
xform("trap"); |
| 687 |
|
|
else if (to_code[rd] != NULL) |
| 688 |
|
|
fprintf(f, "tw%s\tr%d,r%d\n", to_code[rd], ra, rb); |
| 689 |
|
|
else |
| 690 |
|
|
xform_to("tw"); |
| 691 |
|
|
break; |
| 692 |
|
|
|
| 693 |
gbeauche |
1.9 |
case 6: xform_vls("lvsl"); break; |
| 694 |
|
|
case 7: xform_vls("lvebx"); break; |
| 695 |
cebix |
1.1 |
case 8: xoform_dab("subfc"); break; |
| 696 |
|
|
case 8+512: xoform_dab("subfco"); break; |
| 697 |
|
|
case 9: case 9+512: xoform_dab("mulhdu"); break; // 64 bit |
| 698 |
|
|
case 10: xoform_dab("addc"); break; |
| 699 |
|
|
case 10+512: xoform_dab("addco"); break; |
| 700 |
|
|
case 11: case 11+512: xoform_dab("mulhwu"); break; |
| 701 |
|
|
case 19: xform_d("mfcr"); break; |
| 702 |
|
|
case 20: xform_ls("lwarx"); break; |
| 703 |
|
|
case 21: xform_ls("ldx"); break; // 64 bit |
| 704 |
|
|
case 23: xform_ls("lwzx"); break; |
| 705 |
|
|
case 24: xform_sabc("slw"); break; |
| 706 |
|
|
case 26: xform_sac("cntlzw"); break; |
| 707 |
|
|
case 27: xform_sabc("sld"); break; // 64 bit |
| 708 |
|
|
case 28: xform_sabc("and"); break; |
| 709 |
|
|
|
| 710 |
|
|
case 32: |
| 711 |
|
|
if (rd & 1) |
| 712 |
|
|
xform_crlab("cmpld"); // 64 bit |
| 713 |
|
|
else |
| 714 |
|
|
xform_crlab("cmplw"); |
| 715 |
|
|
break; |
| 716 |
|
|
|
| 717 |
gbeauche |
1.9 |
case 38: xform_vls("lvsr"); break; |
| 718 |
|
|
case 39: xform_vls("lvehx"); break; |
| 719 |
cebix |
1.1 |
case 40: xoform_dab("subf"); break; |
| 720 |
|
|
case 40+512: xoform_dab("subfo"); break; |
| 721 |
|
|
case 53: xform_ls("ldux"); break; // 64 bit |
| 722 |
|
|
case 54: xform_ab("dcbst"); break; |
| 723 |
|
|
case 55: xform_ls("lwzux"); break; |
| 724 |
|
|
case 58: xform_sac("cntlzd"); break; // 64 bit |
| 725 |
|
|
case 60: xform_sabc("andc"); break; |
| 726 |
|
|
|
| 727 |
|
|
case 68: // 64 bit |
| 728 |
|
|
if (to_code[rd] != NULL) |
| 729 |
|
|
fprintf(f, "td%s\tr%d,r%d\n", to_code[rd], ra, rb); |
| 730 |
|
|
else |
| 731 |
|
|
xform_to("td"); |
| 732 |
|
|
break; |
| 733 |
|
|
|
| 734 |
gbeauche |
1.9 |
case 71: xform_vls("lvewx"); break; |
| 735 |
cebix |
1.1 |
case 73: case 73+512: xoform_dab("mulhd"); break; // 64 bit |
| 736 |
|
|
case 75: case 75+512: xoform_dab("mulhw"); break; |
| 737 |
|
|
case 83: xform_d("mfmsr"); break; |
| 738 |
|
|
case 84: xform_ls("ldarx"); break; // 64 bit |
| 739 |
|
|
case 86: xform_ab("dcbf"); break; |
| 740 |
|
|
case 87: xform_ls("lbzx"); break; |
| 741 |
gbeauche |
1.9 |
case 103: xform_vls("lvx"); break; |
| 742 |
cebix |
1.1 |
case 104: xoform_da("neg"); break; |
| 743 |
|
|
case 104+512: xoform_da("nego"); break; |
| 744 |
|
|
case 119: xform_ls("lbzux"); break; |
| 745 |
|
|
|
| 746 |
|
|
case 124: |
| 747 |
|
|
if (rd == rb) |
| 748 |
|
|
fprintf(f, "not%s\tr%d,r%d\n", w & 1 ? "." : "", ra, rd); |
| 749 |
|
|
else |
| 750 |
|
|
xform_sabc("nor"); |
| 751 |
|
|
break; |
| 752 |
|
|
|
| 753 |
gbeauche |
1.9 |
case 135: xform_vls("stvebx"); break; |
| 754 |
cebix |
1.1 |
case 136: xoform_dab("subfe"); break; |
| 755 |
|
|
case 136+512: xoform_dab("subfeo"); break; |
| 756 |
|
|
case 138: xoform_dab("adde"); break; |
| 757 |
|
|
case 138+512: xoform_dab("addeo"); break; |
| 758 |
|
|
case 144: xfxform_crm("mtcrf"); break; |
| 759 |
|
|
case 146: xform_d("mtmsr"); break; |
| 760 |
|
|
case 149: xform_ls("stdx"); break; // 64 bit |
| 761 |
|
|
|
| 762 |
|
|
case 150: |
| 763 |
|
|
if (w & 1) |
| 764 |
|
|
xform_ls("stwcx."); |
| 765 |
|
|
else |
| 766 |
|
|
fprintf(f, "?\n"); |
| 767 |
|
|
break; |
| 768 |
|
|
|
| 769 |
|
|
case 151: xform_ls("stwx"); break; |
| 770 |
gbeauche |
1.9 |
case 167: xform_vls("stvehx"); break; |
| 771 |
cebix |
1.1 |
case 181: xform_ls("stdux"); break; // 64 bit |
| 772 |
|
|
case 183: xform_ls("stwux"); break; |
| 773 |
gbeauche |
1.9 |
case 199: xform_vls("stvewx"); break; |
| 774 |
cebix |
1.1 |
case 200: xoform_da("subfze"); break; |
| 775 |
|
|
case 200+512: xoform_da("subfzeo"); break; |
| 776 |
|
|
case 202: xoform_da("addze"); break; |
| 777 |
|
|
case 202+512: xoform_da("addzeo"); break; |
| 778 |
|
|
case 210: xform_tsr("mtsr"); break; |
| 779 |
|
|
|
| 780 |
|
|
case 214: // 64 bit |
| 781 |
|
|
if (w & 1) |
| 782 |
|
|
xform_ls("stdcx"); |
| 783 |
|
|
else |
| 784 |
|
|
fprintf(f, "?\n"); |
| 785 |
|
|
break; |
| 786 |
|
|
|
| 787 |
|
|
case 215: xform_ls("stbx"); break; |
| 788 |
gbeauche |
1.9 |
case 231: xform_vls("stvx"); break; |
| 789 |
cebix |
1.1 |
case 232: xoform_da("subfme"); break; |
| 790 |
|
|
case 232+512: xoform_da("subfmeo"); break; |
| 791 |
|
|
case 233: xoform_dab("mulld"); break; // 64 bit |
| 792 |
|
|
case 233+512: xoform_dab("mulldo"); break; // 64 bit |
| 793 |
|
|
case 234: xoform_da("addme"); break; |
| 794 |
|
|
case 234+512: xoform_da("addmeo"); break; |
| 795 |
|
|
case 235: xoform_dab("mullw"); break; |
| 796 |
|
|
case 235+512: xoform_dab("mullwo"); break; |
| 797 |
|
|
case 242: xform_db("mtsrin"); break; |
| 798 |
|
|
case 246: xform_ab("dcbtst"); break; |
| 799 |
|
|
case 247: xform_ls("stbux"); break; |
| 800 |
|
|
case 266: xoform_dab("add"); break; |
| 801 |
|
|
case 266+512: xoform_dab("addo"); break; |
| 802 |
|
|
case 278: xform_ab("dcbt"); break; |
| 803 |
|
|
case 279: xform_ls("lhzx"); break; |
| 804 |
|
|
case 284: xform_sabc("eqv"); break; |
| 805 |
|
|
case 306: xform_b("tlbie"); break; |
| 806 |
|
|
case 310: xform_ls("eciwx"); break; |
| 807 |
|
|
case 311: xform_ls("lhzux"); break; |
| 808 |
|
|
case 316: xform_sabc("xor"); break; |
| 809 |
|
|
|
| 810 |
|
|
case 339: |
| 811 |
|
|
if ((ra | (rb << 5)) == 1) |
| 812 |
|
|
fprintf(f, "mfxer\tr%d\n", rd); |
| 813 |
|
|
else if ((ra | (rb << 5)) == 8) |
| 814 |
|
|
fprintf(f, "mflr\tr%d\n", rd); |
| 815 |
|
|
else if ((ra | (rb << 5)) == 9) |
| 816 |
|
|
fprintf(f, "mfctr\tr%d\n", rd); |
| 817 |
gbeauche |
1.9 |
else if ((ra | (rb << 5)) == 256) |
| 818 |
|
|
fprintf(f, "mfvrsave\tr%d\n", rd); |
| 819 |
cebix |
1.1 |
else { |
| 820 |
cebix |
1.11 |
const char *spr = get_spr(ra | (rb << 5)); |
| 821 |
cebix |
1.1 |
if (spr) |
| 822 |
|
|
fprintf(f, "mfspr\tr%d,%s\n", rd, spr); |
| 823 |
|
|
else |
| 824 |
|
|
xfxform_fspr("mfspr"); |
| 825 |
|
|
} |
| 826 |
|
|
break; |
| 827 |
|
|
|
| 828 |
|
|
case 341: xform_ls("lwax"); break; // 64 bit |
| 829 |
|
|
case 343: xform_ls("lhax"); break; |
| 830 |
gbeauche |
1.9 |
case 359: xform_vls("lvxl"); break; |
| 831 |
cebix |
1.1 |
case 370: xform("tlbia"); break; |
| 832 |
|
|
|
| 833 |
gbeauche |
1.10 |
case 822: // AltiVec |
| 834 |
|
|
if ((rd & 0xc) == 0 && ra == 0 && rb == 0 && (w & 1) == 0) { |
| 835 |
|
|
if (rd & 0x10) |
| 836 |
|
|
fprintf(f, "dssall\n"); |
| 837 |
|
|
else |
| 838 |
|
|
fprintf(f, "dss\t%d\n", rd & 3); |
| 839 |
|
|
} |
| 840 |
|
|
else |
| 841 |
|
|
fprintf(f, "?\n"); |
| 842 |
|
|
break; |
| 843 |
|
|
|
| 844 |
|
|
case 342: // AltiVec |
| 845 |
|
|
if ((rd & 0xc) == 0 && (w & 1) == 0) |
| 846 |
|
|
fprintf(f, "dst%s\tr%d,r%d,%d\n", rd & 0x10 ? "t" : "", ra, rb, rd & 3); |
| 847 |
|
|
else |
| 848 |
|
|
fprintf(f, "?\n"); |
| 849 |
|
|
break; |
| 850 |
|
|
|
| 851 |
|
|
case 374: // AltiVec |
| 852 |
|
|
if ((rd & 0xc) == 0 && (w & 1) == 0) |
| 853 |
|
|
fprintf(f, "dstst%s\tr%d,r%d,%d\n", rd & 0x10 ? "t" : "", ra, rb, rd & 3); |
| 854 |
|
|
else |
| 855 |
|
|
fprintf(f, "?\n"); |
| 856 |
|
|
break; |
| 857 |
|
|
|
| 858 |
cebix |
1.1 |
case 371: |
| 859 |
|
|
if ((ra | (rb << 5)) == 268) |
| 860 |
|
|
xfxform_tb("mftb"); |
| 861 |
|
|
else if ((ra | (rb << 5)) == 269) |
| 862 |
|
|
xfxform_tb("mftbu"); |
| 863 |
|
|
else |
| 864 |
|
|
fprintf(f, "?\n"); |
| 865 |
|
|
break; |
| 866 |
|
|
|
| 867 |
|
|
case 373: xform_ls("lwaux"); break; // 64 bit |
| 868 |
|
|
case 375: xform_ls("lhaux"); break; |
| 869 |
|
|
case 407: xform_ls("sthx"); break; |
| 870 |
|
|
case 412: xform_sabc("orc"); break; |
| 871 |
|
|
case 434: xform_b("slbie"); break; // 64 bit |
| 872 |
|
|
case 438: xform_ls("ecowx"); break; |
| 873 |
|
|
case 439: xform_ls("sthux"); break; |
| 874 |
|
|
|
| 875 |
|
|
case 444: |
| 876 |
|
|
if (rd == rb) |
| 877 |
|
|
fprintf(f, "mr%s\tr%d,r%d\n", w & 1 ? "." : "", ra, rd); |
| 878 |
|
|
else |
| 879 |
|
|
xform_sabc("or"); |
| 880 |
|
|
break; |
| 881 |
|
|
|
| 882 |
|
|
case 457: xoform_dab("divdu"); break; // 64 bit |
| 883 |
|
|
case 457+512: xoform_dab("divduo"); break; // 64 bit |
| 884 |
|
|
case 459: xoform_dab("divwu"); break; |
| 885 |
|
|
case 459+512: xoform_dab("divwuo"); break; |
| 886 |
|
|
|
| 887 |
|
|
case 467: |
| 888 |
|
|
if ((ra | (rb << 5)) == 1) |
| 889 |
|
|
fprintf(f, "mtxer\tr%d\n", rd); |
| 890 |
|
|
else if ((ra | (rb << 5)) == 8) |
| 891 |
|
|
fprintf(f, "mtlr\tr%d\n", rd); |
| 892 |
|
|
else if ((ra | (rb << 5)) == 9) |
| 893 |
|
|
fprintf(f, "mtctr\tr%d\n", rd); |
| 894 |
gbeauche |
1.9 |
else if ((ra | (rb << 5)) == 256) |
| 895 |
|
|
fprintf(f, "mtvrsave\tr%d\n", rd); |
| 896 |
cebix |
1.1 |
else { |
| 897 |
cebix |
1.11 |
const char *spr = get_spr(ra | (rb << 5)); |
| 898 |
cebix |
1.1 |
if (spr) |
| 899 |
|
|
fprintf(f, "mtspr\t%s,r%d\n", spr, rd); |
| 900 |
|
|
else |
| 901 |
|
|
xfxform_tspr("mtspr"); |
| 902 |
|
|
} |
| 903 |
|
|
break; |
| 904 |
|
|
|
| 905 |
|
|
case 470: xform_ab("dcbi"); break; |
| 906 |
|
|
case 476: xform_sabc("nand"); break; |
| 907 |
gbeauche |
1.9 |
case 487: xform_vls("stvxl"); break; |
| 908 |
cebix |
1.1 |
case 489: xoform_dab("divd"); break; // 64 bit |
| 909 |
|
|
case 489+512: xoform_dab("divdo"); break; // 64 bit |
| 910 |
|
|
case 491: xoform_dab("divw"); break; |
| 911 |
|
|
case 491+512: xoform_dab("divwo"); break; |
| 912 |
|
|
case 498: xform("slbia"); break; // 64 bit |
| 913 |
|
|
case 512: xform_cr("mcrxr"); break; |
| 914 |
|
|
case 533: xform_ls("lswx"); break; |
| 915 |
|
|
case 534: xform_ls("lwbrx"); break; |
| 916 |
|
|
case 535: xform_fls("lfsx"); break; |
| 917 |
|
|
case 536: xform_sabc("srw"); break; |
| 918 |
|
|
case 539: xform_sabc("srd"); break; // 64 bit |
| 919 |
|
|
case 566: xform("tlbsync"); break; |
| 920 |
|
|
case 567: xform_fls("lfsux"); break; |
| 921 |
|
|
case 595: xform_fsr("mfsr"); break; |
| 922 |
|
|
case 597: xform_lsswi("lswi"); break; |
| 923 |
|
|
case 598: xform("sync"); break; |
| 924 |
|
|
case 599: xform_fls("lfdx"); break; |
| 925 |
|
|
case 631: xform_fls("lfdux"); break; |
| 926 |
|
|
case 659: xform_db("mfsrin"); break; |
| 927 |
|
|
case 661: xform_ls("stswx"); break; |
| 928 |
|
|
case 662: xform_ls("stwbrx"); break; |
| 929 |
|
|
case 663: xform_fls("stfsx"); break; |
| 930 |
|
|
case 695: xform_fls("stfsux"); break; |
| 931 |
|
|
case 725: xform_lsswi("stswi"); break; |
| 932 |
|
|
case 727: xform_fls("stfdx"); break; |
| 933 |
|
|
case 758: xform_ab("dcba"); break; |
| 934 |
|
|
case 759: xform_fls("stfdux"); break; |
| 935 |
|
|
case 790: xform_ls("lhbrx"); break; |
| 936 |
|
|
case 792: xform_sabc("sraw"); break; |
| 937 |
|
|
case 794: xform_sabc("srad"); break; // 64 bit |
| 938 |
|
|
case 824: xform_sash("srawi"); break; |
| 939 |
|
|
case 826: case 827: xsform("sradi"); break; // 64 bit |
| 940 |
|
|
case 854: xform("eieio"); break; |
| 941 |
|
|
case 918: xform_ls("sthbrx"); break; |
| 942 |
|
|
case 922: xform_sac("extsh"); break; |
| 943 |
|
|
case 954: xform_sac("extsb"); break; |
| 944 |
|
|
case 978: fprintf(f, "tlbld\tr%d\n", rb); break; // 603 |
| 945 |
|
|
case 982: xform_ab("icbi"); break; |
| 946 |
|
|
case 983: xform_fls("stfiwx"); break; |
| 947 |
|
|
case 986: xform_sac("extsw"); break; // 64 bit |
| 948 |
|
|
case 1010: fprintf(f, "tlbli\tr%d\n", rb); break; // 603 |
| 949 |
|
|
case 1014: xform_ab("dcbz"); break; |
| 950 |
|
|
|
| 951 |
|
|
default: |
| 952 |
|
|
fprintf(f, "?\n"); |
| 953 |
|
|
break; |
| 954 |
|
|
} |
| 955 |
|
|
} |
| 956 |
|
|
|
| 957 |
|
|
|
| 958 |
|
|
/* |
| 959 |
|
|
* Disassemble instruction with primary opcode = 59 (A-Form) |
| 960 |
|
|
*/ |
| 961 |
|
|
|
| 962 |
|
|
static void disass59(FILE *f, unsigned int adr, unsigned int w) |
| 963 |
|
|
{ |
| 964 |
|
|
switch (exop & 0x1f) { |
| 965 |
|
|
case 18: aform_dab("fdivs"); break; |
| 966 |
|
|
case 20: aform_dab("fsubs"); break; |
| 967 |
|
|
case 21: aform_dab("fadds"); break; |
| 968 |
|
|
case 22: aform_db("fsqrts"); break; |
| 969 |
|
|
case 24: aform_db("fres"); break; |
| 970 |
|
|
case 25: aform_dac("fmuls"); break; |
| 971 |
|
|
case 28: aform_dacb("fmsubs"); break; |
| 972 |
|
|
case 29: aform_dacb("fmadds"); break; |
| 973 |
|
|
case 30: aform_dacb("fnmsubs"); break; |
| 974 |
|
|
case 31: aform_dacb("fnmadds"); break; |
| 975 |
|
|
|
| 976 |
|
|
default: |
| 977 |
|
|
fprintf(f, "?\n"); |
| 978 |
|
|
break; |
| 979 |
|
|
} |
| 980 |
|
|
} |
| 981 |
|
|
|
| 982 |
|
|
|
| 983 |
|
|
/* |
| 984 |
|
|
* Disassemble instruction with primary opcode = 63 (A-Form/X-Form/XFL-Form) |
| 985 |
|
|
*/ |
| 986 |
|
|
|
| 987 |
|
|
static void disass63(FILE *f, unsigned int adr, unsigned int w) |
| 988 |
|
|
{ |
| 989 |
|
|
if (exop & 0x10) |
| 990 |
|
|
switch (exop & 0x1f) { |
| 991 |
|
|
case 18: aform_dab("fdiv"); break; |
| 992 |
|
|
case 20: aform_dab("fsub"); break; |
| 993 |
|
|
case 21: aform_dab("fadd"); break; |
| 994 |
|
|
case 22: aform_db("fsqrt"); break; |
| 995 |
|
|
case 23: aform_dacb("fsel"); break; |
| 996 |
|
|
case 25: aform_dac("fmul"); break; |
| 997 |
|
|
case 26: aform_db("frsqrte"); break; |
| 998 |
|
|
case 28: aform_dacb("fmsub"); break; |
| 999 |
|
|
case 29: aform_dacb("fmadd"); break; |
| 1000 |
|
|
case 30: aform_dacb("fnmsub"); break; |
| 1001 |
|
|
case 31: aform_dacb("fnmadd"); break; |
| 1002 |
|
|
|
| 1003 |
|
|
default: |
| 1004 |
|
|
fprintf(f, "?\n"); |
| 1005 |
|
|
break; |
| 1006 |
|
|
} |
| 1007 |
|
|
else |
| 1008 |
|
|
switch (exop) { |
| 1009 |
|
|
case 0: xform_fcrab("fcmpu"); break; |
| 1010 |
|
|
case 12: xform_fdb("frsp"); break; |
| 1011 |
|
|
case 14: xform_fdb("fctiw"); break; |
| 1012 |
|
|
case 15: xform_fdb("fctiwz"); break; |
| 1013 |
|
|
case 32: xform_fcrab("fcmpo"); break; |
| 1014 |
|
|
case 38: xform_crb("mtfsb1"); break; |
| 1015 |
|
|
case 40: xform_fdb("fneg"); break; |
| 1016 |
|
|
case 64: xform_crcr("mcrfs"); break; |
| 1017 |
|
|
case 70: xform_crb("mtfsb0"); break; |
| 1018 |
|
|
case 72: xform_fdb("fmr"); break; |
| 1019 |
|
|
case 134: xform_cri("mtfsfi"); break; |
| 1020 |
|
|
case 136: xform_fdb("fnabs"); break; |
| 1021 |
|
|
case 264: xform_fdb("fabs"); break; |
| 1022 |
|
|
case 583: xform_fd("mffs"); break; |
| 1023 |
|
|
case 711: xflform("mtfsf"); break; |
| 1024 |
|
|
case 814: xform_fdb("fctid"); break; // 64 bit |
| 1025 |
|
|
case 815: xform_fdb("fctidz"); break; // 64 bit |
| 1026 |
|
|
case 846: xform_fdb("fcfid"); break; // 64 bit |
| 1027 |
|
|
|
| 1028 |
|
|
default: |
| 1029 |
|
|
fprintf(f, "?\n"); |
| 1030 |
|
|
break; |
| 1031 |
|
|
} |
| 1032 |
|
|
} |
| 1033 |
|
|
|
| 1034 |
|
|
|
| 1035 |
|
|
/* |
| 1036 |
|
|
* Convert mask begin/end to mask |
| 1037 |
|
|
*/ |
| 1038 |
|
|
|
| 1039 |
|
|
static unsigned int mbme2mask(int mb, int me) |
| 1040 |
|
|
{ |
| 1041 |
|
|
unsigned int m = 0; |
| 1042 |
|
|
int i; |
| 1043 |
|
|
|
| 1044 |
|
|
if (mb <= me) |
| 1045 |
|
|
for (i=mb; i<=me; i++) |
| 1046 |
|
|
m |= 1 << (31-i); |
| 1047 |
|
|
else { |
| 1048 |
|
|
for (i=0; i<=me; i++) |
| 1049 |
|
|
m |= 1 << (31-i); |
| 1050 |
|
|
for (i=mb; i<=31; i++) |
| 1051 |
|
|
m |= 1 << (31-i); |
| 1052 |
|
|
} |
| 1053 |
|
|
return m; |
| 1054 |
|
|
} |
| 1055 |
|
|
|
| 1056 |
|
|
|
| 1057 |
|
|
/* |
| 1058 |
|
|
* Convert SPR number to register name |
| 1059 |
|
|
*/ |
| 1060 |
|
|
|
| 1061 |
cebix |
1.11 |
const char *get_spr(int reg) |
| 1062 |
cebix |
1.1 |
{ |
| 1063 |
|
|
switch (reg) { |
| 1064 |
|
|
case 1: return "xer"; |
| 1065 |
|
|
case 8: return "lr"; |
| 1066 |
|
|
case 9: return "ctr"; |
| 1067 |
|
|
case 18: return "dsisr"; |
| 1068 |
|
|
case 19: return "dar"; |
| 1069 |
|
|
case 22: return "dec"; |
| 1070 |
|
|
case 25: return "sdr1"; |
| 1071 |
|
|
case 26: return "srr0"; |
| 1072 |
|
|
case 27: return "srr1"; |
| 1073 |
|
|
case 272: return "sprg0"; |
| 1074 |
|
|
case 273: return "sprg1"; |
| 1075 |
|
|
case 274: return "sprg2"; |
| 1076 |
|
|
case 275: return "sprg3"; |
| 1077 |
|
|
case 280: return "asr"; // 64 bit |
| 1078 |
|
|
case 282: return "ear"; |
| 1079 |
|
|
case 284: return "tbl"; |
| 1080 |
|
|
case 285: return "tbu"; |
| 1081 |
|
|
case 287: return "pvr"; |
| 1082 |
|
|
case 528: return "ibat0u"; |
| 1083 |
|
|
case 529: return "ibat0l"; |
| 1084 |
|
|
case 530: return "ibat1u"; |
| 1085 |
|
|
case 531: return "ibat1l"; |
| 1086 |
|
|
case 532: return "ibat2u"; |
| 1087 |
|
|
case 533: return "ibat2l"; |
| 1088 |
|
|
case 534: return "ibat3u"; |
| 1089 |
|
|
case 535: return "ibat3l"; |
| 1090 |
|
|
case 536: return "dbat0u"; |
| 1091 |
|
|
case 537: return "dbat0l"; |
| 1092 |
|
|
case 538: return "dbat1u"; |
| 1093 |
|
|
case 539: return "dbat1l"; |
| 1094 |
|
|
case 540: return "dbat2u"; |
| 1095 |
|
|
case 541: return "dbat2l"; |
| 1096 |
|
|
case 542: return "dbat3u"; |
| 1097 |
|
|
case 543: return "dbat3l"; |
| 1098 |
|
|
case 1013: return "dabr"; |
| 1099 |
|
|
|
| 1100 |
|
|
case 0: return "mq"; // 601 |
| 1101 |
|
|
case 4: return "rtcu"; // 601 |
| 1102 |
|
|
case 5: return "rtcl"; // 601 |
| 1103 |
|
|
case 20: return "rtcu"; // 601 |
| 1104 |
|
|
case 21: return "rtcl"; // 601 |
| 1105 |
|
|
case 952: return "mmcr0"; // 604 |
| 1106 |
|
|
case 953: return "pmc1"; // 604 |
| 1107 |
|
|
case 954: return "pmc2"; // 604 |
| 1108 |
|
|
case 955: return "sia"; // 604 |
| 1109 |
|
|
case 956: return "mmcr1"; // 604e |
| 1110 |
|
|
case 957: return "pmc3"; // 604e |
| 1111 |
|
|
case 958: return "pmc4"; // 604e |
| 1112 |
|
|
case 959: return "sda"; // 604 |
| 1113 |
|
|
case 976: return "dmiss"; // 603 |
| 1114 |
|
|
case 977: return "dcmp"; // 603 |
| 1115 |
|
|
case 978: return "hash1"; // 603 |
| 1116 |
|
|
case 979: return "hash2"; // 603 |
| 1117 |
|
|
case 980: return "imiss"; // 603 |
| 1118 |
|
|
case 981: return "icmp"; // 603 |
| 1119 |
|
|
case 982: return "rpa"; // 603 |
| 1120 |
|
|
case 1008: return "hid0"; // 601/603/604 |
| 1121 |
|
|
case 1009: return "hid1"; // 601/603/604e |
| 1122 |
|
|
case 1010: return "iabr"; // 601/603 |
| 1123 |
|
|
case 1023: return "pir"; // 601/604 |
| 1124 |
|
|
|
| 1125 |
|
|
case 256: return "vrsave"; // AltiVec |
| 1126 |
|
|
|
| 1127 |
|
|
default: return NULL; |
| 1128 |
|
|
} |
| 1129 |
|
|
} |
