1a8c4b5ceSJustin Hibbits /* $NetBSD: db_disasm.c,v 1.28 2013/07/04 23:00:23 joerg Exp $ */
245b4eca5SBenno Rice /* $OpenBSD: db_disasm.c,v 1.2 1996/12/28 06:21:48 rahnds Exp $ */
345b4eca5SBenno Rice
445b4eca5SBenno Rice #include <sys/param.h>
545b4eca5SBenno Rice #include <sys/proc.h>
645b4eca5SBenno Rice #include <sys/systm.h>
745b4eca5SBenno Rice
845b4eca5SBenno Rice #include <machine/db_machdep.h>
945b4eca5SBenno Rice
1045b4eca5SBenno Rice #include <ddb/ddb.h>
1145b4eca5SBenno Rice #include <ddb/db_access.h>
1245b4eca5SBenno Rice #include <ddb/db_sym.h>
1345b4eca5SBenno Rice #include <ddb/db_variables.h>
1445b4eca5SBenno Rice #include <ddb/db_output.h>
1545b4eca5SBenno Rice
1645b4eca5SBenno Rice enum function_mask {
1745b4eca5SBenno Rice Op_A = 0x00000001,
1845b4eca5SBenno Rice Op_B = 0x00000002,
1945b4eca5SBenno Rice Op_BI = 0x00000004,
2045b4eca5SBenno Rice Op_BO = 0x00000008,
21a8c4b5ceSJustin Hibbits Op_BC = Op_BI | Op_BO,
2245b4eca5SBenno Rice Op_CRM = 0x00000010,
23a8c4b5ceSJustin Hibbits Op_D = 0x00000020,
24a8c4b5ceSJustin Hibbits Op_ST = 0x00000020, /* Op_S for store-operations, same as D */
25a8c4b5ceSJustin Hibbits Op_S = 0x00000040, /* S-field is swapped with A-field */
26a8c4b5ceSJustin Hibbits Op_FM = Op_D | Op_S, /* kludge (reduce Op_s) */
27a8c4b5ceSJustin Hibbits Op_dA = 0x00000080,
2845b4eca5SBenno Rice Op_LK = 0x00000100,
2945b4eca5SBenno Rice Op_Rc = 0x00000200,
3045b4eca5SBenno Rice Op_AA = Op_LK | Op_Rc, /* kludge (reduce Op_s) */
3145b4eca5SBenno Rice Op_LKM = Op_AA,
3245b4eca5SBenno Rice Op_RcM = Op_AA,
3345b4eca5SBenno Rice Op_OE = 0x00000400,
3445b4eca5SBenno Rice Op_SR = 0x00000800,
3545b4eca5SBenno Rice Op_TO = 0x00001000,
3645b4eca5SBenno Rice Op_sign = 0x00002000,
3745b4eca5SBenno Rice Op_const = 0x00004000,
3845b4eca5SBenno Rice Op_SIMM = Op_const | Op_sign,
3945b4eca5SBenno Rice Op_UIMM = Op_const,
4045b4eca5SBenno Rice Op_crbA = 0x00008000,
4145b4eca5SBenno Rice Op_crbB = 0x00010000,
4245b4eca5SBenno Rice Op_WS = Op_crbB, /* kludge, same field as crbB */
43a8c4b5ceSJustin Hibbits Op_rSH = Op_crbB, /* kludge, same field as crbB */
4445b4eca5SBenno Rice Op_crbD = 0x00020000,
4545b4eca5SBenno Rice Op_crfD = 0x00040000,
4645b4eca5SBenno Rice Op_crfS = 0x00080000,
4745b4eca5SBenno Rice Op_ds = 0x00100000,
4845b4eca5SBenno Rice Op_me = 0x00200000,
4945b4eca5SBenno Rice Op_spr = 0x00400000,
5045b4eca5SBenno Rice Op_dcr = Op_spr, /* out of bits - cheat with Op_spr */
5145b4eca5SBenno Rice Op_tbr = 0x00800000,
5245b4eca5SBenno Rice
53a8c4b5ceSJustin Hibbits Op_BP = 0x01000000,
5445b4eca5SBenno Rice Op_BD = 0x02000000,
5545b4eca5SBenno Rice Op_LI = 0x04000000,
5645b4eca5SBenno Rice Op_C = 0x08000000,
5745b4eca5SBenno Rice
5845b4eca5SBenno Rice Op_NB = 0x10000000,
5945b4eca5SBenno Rice
6045b4eca5SBenno Rice Op_sh_mb_sh = 0x20000000,
6145b4eca5SBenno Rice Op_sh = 0x40000000,
6245b4eca5SBenno Rice Op_SH = Op_sh | Op_sh_mb_sh,
6345b4eca5SBenno Rice Op_mb = 0x80000000,
6445b4eca5SBenno Rice Op_MB = Op_mb | Op_sh_mb_sh,
6545b4eca5SBenno Rice Op_ME = Op_MB,
6645b4eca5SBenno Rice
6745b4eca5SBenno Rice };
6845b4eca5SBenno Rice
6945b4eca5SBenno Rice struct opcode {
70a8c4b5ceSJustin Hibbits const char *name;
7145b4eca5SBenno Rice u_int32_t mask;
7245b4eca5SBenno Rice u_int32_t code;
7345b4eca5SBenno Rice enum function_mask func;
7445b4eca5SBenno Rice };
7545b4eca5SBenno Rice
7645b4eca5SBenno Rice typedef u_int32_t instr_t;
7745b4eca5SBenno Rice typedef void (op_class_func) (instr_t, vm_offset_t);
7845b4eca5SBenno Rice
7945b4eca5SBenno Rice u_int32_t extract_field(u_int32_t value, u_int32_t base, u_int32_t width);
8045b4eca5SBenno Rice void disasm_fields(const struct opcode *popcode, instr_t instr, vm_offset_t loc,
81a8c4b5ceSJustin Hibbits char *disasm_str, size_t slen);
8245b4eca5SBenno Rice void dis_ppc(const struct opcode *opcodeset, instr_t instr, vm_offset_t loc);
8345b4eca5SBenno Rice
8445b4eca5SBenno Rice op_class_func op_ill, op_base;
8545b4eca5SBenno Rice op_class_func op_cl_x13, op_cl_x1e, op_cl_x1f;
8645b4eca5SBenno Rice op_class_func op_cl_x3a, op_cl_x3b;
8745b4eca5SBenno Rice op_class_func op_cl_x3e, op_cl_x3f;
8845b4eca5SBenno Rice
8945b4eca5SBenno Rice op_class_func *opcodes_base[] = {
9045b4eca5SBenno Rice /*x00*/ op_ill, op_ill, op_base, op_ill,
9145b4eca5SBenno Rice /*x04*/ op_ill, op_ill, op_ill, op_base,
92a8c4b5ceSJustin Hibbits /*x08*/ op_base, op_base, op_base, op_base,
9345b4eca5SBenno Rice /*x0C*/ op_base, op_base, op_base/*XXX*/, op_base/*XXX*/,
9445b4eca5SBenno Rice /*x10*/ op_base, op_base, op_base, op_cl_x13,
9545b4eca5SBenno Rice /*x14*/ op_base, op_base, op_ill, op_base,
9645b4eca5SBenno Rice /*x18*/ op_base, op_base, op_base, op_base,
9745b4eca5SBenno Rice /*x1C*/ op_base, op_base, op_cl_x1e, op_cl_x1f,
9845b4eca5SBenno Rice /*x20*/ op_base, op_base, op_base, op_base,
9945b4eca5SBenno Rice /*x24*/ op_base, op_base, op_base, op_base,
10045b4eca5SBenno Rice /*x28*/ op_base, op_base, op_base, op_base,
10145b4eca5SBenno Rice /*x2C*/ op_base, op_base, op_base, op_base,
10245b4eca5SBenno Rice /*x30*/ op_base, op_base, op_base, op_base,
10345b4eca5SBenno Rice /*x34*/ op_base, op_base, op_base, op_base,
10445b4eca5SBenno Rice /*x38*/ op_ill, op_ill, op_cl_x3a, op_cl_x3b,
10545b4eca5SBenno Rice /*x3C*/ op_ill, op_ill, op_cl_x3e, op_cl_x3f
10645b4eca5SBenno Rice };
10745b4eca5SBenno Rice
10845b4eca5SBenno Rice /* This table could be modified to make significant the "reserved" fields
10945b4eca5SBenno Rice * of the opcodes, But I didn't feel like it when typing in the table,
11045b4eca5SBenno Rice * I would recommend that this table be looked over for errors,
11145b4eca5SBenno Rice * This was derived from the table in Appendix A.2 of (Mot part # MPCFPE/AD)
11245b4eca5SBenno Rice * PowerPC Microprocessor Family: The Programming Environments
11345b4eca5SBenno Rice */
11445b4eca5SBenno Rice
11545b4eca5SBenno Rice const struct opcode opcodes[] = {
11645b4eca5SBenno Rice { "tdi", 0xfc000000, 0x08000000, Op_TO | Op_A | Op_SIMM },
11745b4eca5SBenno Rice { "twi", 0xfc000000, 0x0c000000, Op_TO | Op_A | Op_SIMM },
11845b4eca5SBenno Rice { "mulli", 0xfc000000, 0x1c000000, Op_D | Op_A | Op_SIMM },
11945b4eca5SBenno Rice { "subfic", 0xfc000000, 0x20000000, Op_D | Op_A | Op_SIMM },
120a8c4b5ceSJustin Hibbits { "cmplwi", 0xfc200000, 0x28000000, Op_crfD | Op_A | Op_SIMM },
121a8c4b5ceSJustin Hibbits { "cmpldi", 0xfc200000, 0x28200000, Op_crfD | Op_A | Op_SIMM },
122a8c4b5ceSJustin Hibbits { "cmpwi", 0xfc200000, 0x2c000000, Op_crfD | Op_A | Op_SIMM },
123a8c4b5ceSJustin Hibbits { "cmpdi", 0xfc200000, 0x2c200000, Op_crfD | Op_A | Op_SIMM },
12445b4eca5SBenno Rice { "addic", 0xfc000000, 0x30000000, Op_D | Op_A | Op_SIMM },
12545b4eca5SBenno Rice { "addic.", 0xfc000000, 0x34000000, Op_D | Op_A | Op_SIMM },
12645b4eca5SBenno Rice { "addi", 0xfc000000, 0x38000000, Op_D | Op_A | Op_SIMM },
12745b4eca5SBenno Rice { "addis", 0xfc000000, 0x3c000000, Op_D | Op_A | Op_SIMM },
128a8c4b5ceSJustin Hibbits { "b", 0xfc000000, 0x40000000, Op_BC | Op_BD | Op_AA | Op_LK }, /* bc */
129a8c4b5ceSJustin Hibbits { "sc", 0xffffffff, 0x44000002, 0 },
13045b4eca5SBenno Rice { "b", 0xfc000000, 0x48000000, Op_LI | Op_AA | Op_LK },
13145b4eca5SBenno Rice
13245b4eca5SBenno Rice { "rlwimi", 0xfc000000, 0x50000000, Op_S | Op_A | Op_SH | Op_MB | Op_ME | Op_Rc },
13345b4eca5SBenno Rice { "rlwinm", 0xfc000000, 0x54000000, Op_S | Op_A | Op_SH | Op_MB | Op_ME | Op_Rc },
13445b4eca5SBenno Rice { "rlwnm", 0xfc000000, 0x5c000000, Op_S | Op_A | Op_SH | Op_MB | Op_ME | Op_Rc },
13545b4eca5SBenno Rice
13645b4eca5SBenno Rice { "ori", 0xfc000000, 0x60000000, Op_S | Op_A | Op_UIMM },
13745b4eca5SBenno Rice { "oris", 0xfc000000, 0x64000000, Op_S | Op_A | Op_UIMM },
13845b4eca5SBenno Rice { "xori", 0xfc000000, 0x68000000, Op_S | Op_A | Op_UIMM },
13945b4eca5SBenno Rice { "xoris", 0xfc000000, 0x6c000000, Op_S | Op_A | Op_UIMM },
14045b4eca5SBenno Rice
14145b4eca5SBenno Rice { "andi.", 0xfc000000, 0x70000000, Op_S | Op_A | Op_UIMM },
14245b4eca5SBenno Rice { "andis.", 0xfc000000, 0x74000000, Op_S | Op_A | Op_UIMM },
14345b4eca5SBenno Rice
144a8c4b5ceSJustin Hibbits { "lwz", 0xfc000000, 0x80000000, Op_D | Op_dA },
145a8c4b5ceSJustin Hibbits { "lwzu", 0xfc000000, 0x84000000, Op_D | Op_dA },
146a8c4b5ceSJustin Hibbits { "lbz", 0xfc000000, 0x88000000, Op_D | Op_dA },
147a8c4b5ceSJustin Hibbits { "lbzu", 0xfc000000, 0x8c000000, Op_D | Op_dA },
148a8c4b5ceSJustin Hibbits { "stw", 0xfc000000, 0x90000000, Op_ST | Op_dA },
149a8c4b5ceSJustin Hibbits { "stwu", 0xfc000000, 0x94000000, Op_ST | Op_dA },
150a8c4b5ceSJustin Hibbits { "stb", 0xfc000000, 0x98000000, Op_ST | Op_dA },
151a8c4b5ceSJustin Hibbits { "stbu", 0xfc000000, 0x9c000000, Op_ST | Op_dA },
15245b4eca5SBenno Rice
153a8c4b5ceSJustin Hibbits { "lhz", 0xfc000000, 0xa0000000, Op_D | Op_dA },
154a8c4b5ceSJustin Hibbits { "lhzu", 0xfc000000, 0xa4000000, Op_D | Op_dA },
155a8c4b5ceSJustin Hibbits { "lha", 0xfc000000, 0xa8000000, Op_D | Op_dA },
156a8c4b5ceSJustin Hibbits { "lhau", 0xfc000000, 0xac000000, Op_D | Op_dA },
157a8c4b5ceSJustin Hibbits { "sth", 0xfc000000, 0xb0000000, Op_ST | Op_dA },
158a8c4b5ceSJustin Hibbits { "sthu", 0xfc000000, 0xb4000000, Op_ST | Op_dA },
159a8c4b5ceSJustin Hibbits { "lmw", 0xfc000000, 0xb8000000, Op_D | Op_dA },
160a8c4b5ceSJustin Hibbits { "stmw", 0xfc000000, 0xbc000000, Op_ST | Op_dA },
16145b4eca5SBenno Rice
162a8c4b5ceSJustin Hibbits { "lfs", 0xfc000000, 0xc0000000, Op_D | Op_dA },
163a8c4b5ceSJustin Hibbits { "lfsu", 0xfc000000, 0xc4000000, Op_D | Op_dA },
164a8c4b5ceSJustin Hibbits { "lfd", 0xfc000000, 0xc8000000, Op_D | Op_dA },
165a8c4b5ceSJustin Hibbits { "lfdu", 0xfc000000, 0xcc000000, Op_D | Op_dA },
16645b4eca5SBenno Rice
167a8c4b5ceSJustin Hibbits { "stfs", 0xfc000000, 0xd0000000, Op_ST | Op_dA },
168a8c4b5ceSJustin Hibbits { "stfsu", 0xfc000000, 0xd4000000, Op_ST | Op_dA },
169a8c4b5ceSJustin Hibbits { "stfd", 0xfc000000, 0xd8000000, Op_ST | Op_dA },
170a8c4b5ceSJustin Hibbits { "stfdu", 0xfc000000, 0xdc000000, Op_ST | Op_dA },
17145b4eca5SBenno Rice { "", 0x0, 0x0, 0 }
17245b4eca5SBenno Rice
17345b4eca5SBenno Rice };
17445b4eca5SBenno Rice /* 13 * 4 = 4c */
17545b4eca5SBenno Rice const struct opcode opcodes_13[] = {
17645b4eca5SBenno Rice /* 0x13 << 2 */
17745b4eca5SBenno Rice { "mcrf", 0xfc0007fe, 0x4c000000, Op_crfD | Op_crfS },
178a8c4b5ceSJustin Hibbits { "b", 0xfc0007fe, 0x4c000020, Op_BC | Op_LK }, /* bclr */
17945b4eca5SBenno Rice { "crnor", 0xfc0007fe, 0x4c000042, Op_crbD | Op_crbA | Op_crbB },
18045b4eca5SBenno Rice { "rfi", 0xfc0007fe, 0x4c000064, 0 },
181a8c4b5ceSJustin Hibbits { "crandc", 0xfc0007fe, 0x4c000102, Op_crbD | Op_crbA | Op_crbB },
18245b4eca5SBenno Rice { "isync", 0xfc0007fe, 0x4c00012c, 0 },
18345b4eca5SBenno Rice { "crxor", 0xfc0007fe, 0x4c000182, Op_crbD | Op_crbA | Op_crbB },
18445b4eca5SBenno Rice { "crnand", 0xfc0007fe, 0x4c0001c2, Op_crbD | Op_crbA | Op_crbB },
18545b4eca5SBenno Rice { "crand", 0xfc0007fe, 0x4c000202, Op_crbD | Op_crbA | Op_crbB },
18645b4eca5SBenno Rice { "creqv", 0xfc0007fe, 0x4c000242, Op_crbD | Op_crbA | Op_crbB },
18745b4eca5SBenno Rice { "crorc", 0xfc0007fe, 0x4c000342, Op_crbD | Op_crbA | Op_crbB },
18845b4eca5SBenno Rice { "cror", 0xfc0007fe, 0x4c000382, Op_crbD | Op_crbA | Op_crbB },
189a8c4b5ceSJustin Hibbits { "b", 0xfc0007fe, 0x4c000420, Op_BC | Op_LK }, /* bcctr */
19045b4eca5SBenno Rice { "", 0x0, 0x0, 0 }
19145b4eca5SBenno Rice };
19245b4eca5SBenno Rice
19345b4eca5SBenno Rice /* 1e * 4 = 78 */
19445b4eca5SBenno Rice const struct opcode opcodes_1e[] = {
19545b4eca5SBenno Rice { "rldicl", 0xfc00001c, 0x78000000, Op_S | Op_A | Op_sh | Op_mb | Op_Rc },
19645b4eca5SBenno Rice { "rldicr", 0xfc00001c, 0x78000004, Op_S | Op_A | Op_sh | Op_me | Op_Rc },
19745b4eca5SBenno Rice { "rldic", 0xfc00001c, 0x78000008, Op_S | Op_A | Op_sh | Op_mb | Op_Rc },
19845b4eca5SBenno Rice { "rldimi", 0xfc00001c, 0x7800000c, Op_S | Op_A | Op_sh | Op_mb | Op_Rc },
19945b4eca5SBenno Rice { "rldcl", 0xfc00003e, 0x78000010, Op_S | Op_A | Op_B | Op_mb | Op_Rc },
20045b4eca5SBenno Rice { "rldcr", 0xfc00003e, 0x78000012, Op_S | Op_A | Op_B | Op_me | Op_Rc },
20145b4eca5SBenno Rice { "", 0x0, 0x0, 0 }
20245b4eca5SBenno Rice };
20345b4eca5SBenno Rice
20445b4eca5SBenno Rice /* 1f * 4 = 7c */
20545b4eca5SBenno Rice const struct opcode opcodes_1f[] = {
20645b4eca5SBenno Rice /* 1f << 2 */
207a8c4b5ceSJustin Hibbits { "cmpw", 0xfc2007fe, 0x7c000000, Op_crfD | Op_A | Op_B },
208a8c4b5ceSJustin Hibbits { "cmpd", 0xfc2007fe, 0x7c200000, Op_crfD | Op_A | Op_B },
20945b4eca5SBenno Rice { "tw", 0xfc0007fe, 0x7c000008, Op_TO | Op_A | Op_B },
21045b4eca5SBenno Rice { "subfc", 0xfc0003fe, 0x7c000010, Op_D | Op_A | Op_B | Op_OE | Op_Rc },
21145b4eca5SBenno Rice { "mulhdu", 0xfc0007fe, 0x7c000012, Op_D | Op_A | Op_B | Op_Rc },
21245b4eca5SBenno Rice { "addc", 0xfc0003fe, 0x7c000014, Op_D | Op_A | Op_B | Op_OE | Op_Rc },
21345b4eca5SBenno Rice { "mulhwu", 0xfc0007fe, 0x7c000016, Op_D | Op_A | Op_B | Op_Rc },
214a8c4b5ceSJustin Hibbits { "isellt", 0xfc0007ff, 0x7c00001e, Op_D | Op_A | Op_B },
215a8c4b5ceSJustin Hibbits { "iselgt", 0xfc0007ff, 0x7c00005e, Op_D | Op_A | Op_B },
216a8c4b5ceSJustin Hibbits { "iseleq", 0xfc0007ff, 0x7c00009e, Op_D | Op_A | Op_B },
21745b4eca5SBenno Rice
21845b4eca5SBenno Rice { "mfcr", 0xfc0007fe, 0x7c000026, Op_D },
21945b4eca5SBenno Rice { "lwarx", 0xfc0007fe, 0x7c000028, Op_D | Op_A | Op_B },
22045b4eca5SBenno Rice { "ldx", 0xfc0007fe, 0x7c00002a, Op_D | Op_A | Op_B },
22145b4eca5SBenno Rice { "lwzx", 0xfc0007fe, 0x7c00002e, Op_D | Op_A | Op_B },
22245b4eca5SBenno Rice { "slw", 0xfc0007fe, 0x7c000030, Op_D | Op_A | Op_B | Op_Rc },
2232276d902SBrandon Bergren { "cntlzw", 0xfc0007fe, 0x7c000034, Op_S | Op_A | Op_Rc },
22445b4eca5SBenno Rice { "sld", 0xfc0007fe, 0x7c000036, Op_D | Op_A | Op_B | Op_Rc },
22545b4eca5SBenno Rice { "and", 0xfc0007fe, 0x7c000038, Op_D | Op_A | Op_B | Op_Rc },
226a8c4b5ceSJustin Hibbits { "cmplw", 0xfc2007fe, 0x7c000040, Op_crfD | Op_A | Op_B },
227a8c4b5ceSJustin Hibbits { "cmpld", 0xfc2007fe, 0x7c200040, Op_crfD | Op_A | Op_B },
22845b4eca5SBenno Rice { "subf", 0xfc0003fe, 0x7c000050, Op_D | Op_A | Op_B | Op_OE | Op_Rc },
22945b4eca5SBenno Rice { "ldux", 0xfc0007fe, 0x7c00006a, Op_D | Op_A | Op_B },
23045b4eca5SBenno Rice { "dcbst", 0xfc0007fe, 0x7c00006c, Op_A | Op_B },
23145b4eca5SBenno Rice { "lwzux", 0xfc0007fe, 0x7c00006e, Op_D | Op_A | Op_B },
23245b4eca5SBenno Rice { "cntlzd", 0xfc0007fe, 0x7c000074, Op_S | Op_A | Op_Rc },
23345b4eca5SBenno Rice { "andc", 0xfc0007fe, 0x7c000078, Op_S | Op_A | Op_B | Op_Rc },
23445b4eca5SBenno Rice { "td", 0xfc0007fe, 0x7c000088, Op_TO | Op_A | Op_B },
23545b4eca5SBenno Rice { "mulhd", 0xfc0007fe, 0x7c000092, Op_D | Op_A | Op_B | Op_Rc },
23645b4eca5SBenno Rice { "mulhw", 0xfc0007fe, 0x7c000096, Op_D | Op_A | Op_B | Op_Rc },
23745b4eca5SBenno Rice { "mfmsr", 0xfc0007fe, 0x7c0000a6, Op_D },
23845b4eca5SBenno Rice { "ldarx", 0xfc0007fe, 0x7c0000a8, Op_D | Op_A | Op_B },
23945b4eca5SBenno Rice { "dcbf", 0xfc0007fe, 0x7c0000ac, Op_A | Op_B },
24045b4eca5SBenno Rice { "lbzx", 0xfc0007fe, 0x7c0000ae, Op_D | Op_A | Op_B },
24145b4eca5SBenno Rice { "neg", 0xfc0003fe, 0x7c0000d0, Op_D | Op_A | Op_OE | Op_Rc },
24245b4eca5SBenno Rice { "lbzux", 0xfc0007fe, 0x7c0000ee, Op_D | Op_A | Op_B },
24345b4eca5SBenno Rice { "nor", 0xfc0007fe, 0x7c0000f8, Op_S | Op_A | Op_B | Op_Rc },
24445b4eca5SBenno Rice { "wrtee", 0xfc0003ff, 0x7c000106, Op_S },
24545b4eca5SBenno Rice { "subfe", 0xfc0003fe, 0x7c000110, Op_D | Op_A | Op_B | Op_OE | Op_Rc },
24645b4eca5SBenno Rice { "adde", 0xfc0003fe, 0x7c000114, Op_D | Op_A | Op_B | Op_OE | Op_Rc },
24745b4eca5SBenno Rice { "mtcrf", 0xfc0007fe, 0x7c000120, Op_S | Op_CRM },
24845b4eca5SBenno Rice { "mtmsr", 0xfc0007fe, 0x7c000124, Op_S },
249a8c4b5ceSJustin Hibbits { "stdx", 0xfc0007fe, 0x7c00012a, Op_ST | Op_A | Op_B },
250a8c4b5ceSJustin Hibbits { "stwcx.", 0xfc0007ff, 0x7c00012d, Op_ST | Op_A | Op_B },
251a8c4b5ceSJustin Hibbits { "stwx", 0xfc0007fe, 0x7c00012e, Op_ST | Op_A | Op_B },
252a8c4b5ceSJustin Hibbits { "wrteei", 0xfc0003fe, 0x7c000146, 0 }, /* XXX: out of flags! */
253a8c4b5ceSJustin Hibbits { "stdux", 0xfc0007fe, 0x7c00016a, Op_ST | Op_A | Op_B },
254a8c4b5ceSJustin Hibbits { "stwux", 0xfc0007fe, 0x7c00016e, Op_ST | Op_A | Op_B },
25545b4eca5SBenno Rice { "subfze", 0xfc0003fe, 0x7c000190, Op_D | Op_A | Op_OE | Op_Rc },
25645b4eca5SBenno Rice { "addze", 0xfc0003fe, 0x7c000194, Op_D | Op_A | Op_OE | Op_Rc },
25745b4eca5SBenno Rice { "mtsr", 0xfc0007fe, 0x7c0001a4, Op_S | Op_SR },
258a8c4b5ceSJustin Hibbits { "stdcx.", 0xfc0007ff, 0x7c0001ad, Op_ST | Op_A | Op_B },
259a8c4b5ceSJustin Hibbits { "stbx", 0xfc0007fe, 0x7c0001ae, Op_ST | Op_A | Op_B },
26045b4eca5SBenno Rice { "subfme", 0xfc0003fe, 0x7c0001d0, Op_D | Op_A | Op_OE | Op_Rc },
26145b4eca5SBenno Rice { "mulld", 0xfc0003fe, 0x7c0001d2, Op_D | Op_A | Op_B | Op_OE | Op_Rc },
26245b4eca5SBenno Rice { "addme", 0xfc0003fe, 0x7c0001d4, Op_D | Op_A | Op_OE | Op_Rc },
26345b4eca5SBenno Rice { "mullw", 0xfc0003fe, 0x7c0001d6, Op_D | Op_A | Op_B | Op_OE | Op_Rc },
26445b4eca5SBenno Rice { "mtsrin", 0xfc0007fe, 0x7c0001e4, Op_S | Op_B },
26545b4eca5SBenno Rice { "dcbtst", 0xfc0007fe, 0x7c0001ec, Op_A | Op_B },
266a8c4b5ceSJustin Hibbits { "stbux", 0xfc0007fe, 0x7c0001ee, Op_ST | Op_A | Op_B },
26745b4eca5SBenno Rice { "add", 0xfc0003fe, 0x7c000214, Op_D | Op_A | Op_B | Op_OE | Op_Rc },
26845b4eca5SBenno Rice { "dcbt", 0xfc0007fe, 0x7c00022c, Op_A | Op_B },
26945b4eca5SBenno Rice { "lhzx", 0xfc0007ff, 0x7c00022e, Op_D | Op_A | Op_B },
27045b4eca5SBenno Rice { "eqv", 0xfc0007fe, 0x7c000238, Op_S | Op_A | Op_B | Op_Rc },
27145b4eca5SBenno Rice { "tlbie", 0xfc0007fe, 0x7c000264, Op_B },
27245b4eca5SBenno Rice { "eciwx", 0xfc0007fe, 0x7c00026c, Op_D | Op_A | Op_B },
27345b4eca5SBenno Rice { "lhzux", 0xfc0007fe, 0x7c00026e, Op_D | Op_A | Op_B },
27445b4eca5SBenno Rice { "xor", 0xfc0007fe, 0x7c000278, Op_S | Op_A | Op_B | Op_Rc },
27545b4eca5SBenno Rice { "mfdcr", 0xfc0007fe, 0x7c000286, Op_D | Op_dcr },
27645b4eca5SBenno Rice { "mfspr", 0xfc0007fe, 0x7c0002a6, Op_D | Op_spr },
27745b4eca5SBenno Rice { "lwax", 0xfc0007fe, 0x7c0002aa, Op_D | Op_A | Op_B },
27845b4eca5SBenno Rice { "lhax", 0xfc0007fe, 0x7c0002ae, Op_D | Op_A | Op_B },
27945b4eca5SBenno Rice { "tlbia", 0xfc0007fe, 0x7c0002e4, 0 },
28045b4eca5SBenno Rice { "mftb", 0xfc0007fe, 0x7c0002e6, Op_D | Op_tbr },
28145b4eca5SBenno Rice { "lwaux", 0xfc0007fe, 0x7c0002ea, Op_D | Op_A | Op_B },
28245b4eca5SBenno Rice { "lhaux", 0xfc0007fe, 0x7c0002ee, Op_D | Op_A | Op_B },
283a8c4b5ceSJustin Hibbits { "sthx", 0xfc0007fe, 0x7c00032e, Op_ST | Op_A | Op_B },
28445b4eca5SBenno Rice { "orc", 0xfc0007fe, 0x7c000338, Op_S | Op_A | Op_B | Op_Rc },
285a8c4b5ceSJustin Hibbits { "ecowx", 0xfc0007fe, 0x7c00036c, Op_ST | Op_A | Op_B | Op_Rc },
28645b4eca5SBenno Rice { "slbie", 0xfc0007fc, 0x7c000364, Op_B },
287a8c4b5ceSJustin Hibbits { "sthux", 0xfc0007fe, 0x7c00036e, Op_ST | Op_A | Op_B },
28845b4eca5SBenno Rice { "or", 0xfc0007fe, 0x7c000378, Op_S | Op_A | Op_B | Op_Rc },
28945b4eca5SBenno Rice { "mtdcr", 0xfc0007fe, 0x7c000386, Op_S | Op_dcr },
29045b4eca5SBenno Rice { "divdu", 0xfc0003fe, 0x7c000392, Op_D | Op_A | Op_B | Op_OE | Op_Rc },
29145b4eca5SBenno Rice { "divwu", 0xfc0003fe, 0x7c000396, Op_D | Op_A | Op_B | Op_OE | Op_Rc },
29245b4eca5SBenno Rice { "mtspr", 0xfc0007fe, 0x7c0003a6, Op_S | Op_spr },
29345b4eca5SBenno Rice { "dcbi", 0xfc0007fe, 0x7c0003ac, Op_A | Op_B },
29445b4eca5SBenno Rice { "nand", 0xfc0007fe, 0x7c0003b8, Op_S | Op_A | Op_B | Op_Rc },
29545b4eca5SBenno Rice { "dcread", 0xfc0007fe, 0x7c0003cc, Op_D | Op_A | Op_B },
29645b4eca5SBenno Rice { "divd", 0xfc0003fe, 0x7c0003d2, Op_S | Op_A | Op_B | Op_OE | Op_Rc },
29745b4eca5SBenno Rice { "divw", 0xfc0003fe, 0x7c0003d6, Op_S | Op_A | Op_B | Op_OE | Op_Rc },
29845b4eca5SBenno Rice { "slbia", 0xfc0003fe, 0x7c0003e4, Op_S | Op_A | Op_B | Op_OE | Op_Rc },
29945b4eca5SBenno Rice { "mcrxr", 0xfc0007fe, 0x7c000400, Op_crfD },
30045b4eca5SBenno Rice { "lswx", 0xfc0007fe, 0x7c00042a, Op_D | Op_A | Op_B },
30145b4eca5SBenno Rice { "lwbrx", 0xfc0007fe, 0x7c00042c, Op_D | Op_A | Op_B },
30245b4eca5SBenno Rice { "lfsx", 0xfc0007fe, 0x7c00042e, Op_D | Op_A | Op_B },
30345b4eca5SBenno Rice { "srw", 0xfc0007fe, 0x7c000430, Op_S | Op_A | Op_B | Op_Rc },
30445b4eca5SBenno Rice { "srd", 0xfc0007fe, 0x7c000436, Op_S | Op_A | Op_B | Op_Rc },
30545b4eca5SBenno Rice { "tlbsync", 0xfc0007fe, 0x7c00046c, 0 },
30645b4eca5SBenno Rice { "lfsux", 0xfc0007fe, 0x7c00046e, Op_D | Op_A | Op_B },
30745b4eca5SBenno Rice { "mfsr", 0xfc0007fe, 0x7c0004a6, Op_D | Op_SR },
30845b4eca5SBenno Rice { "lswi", 0xfc0007fe, 0x7c0004aa, Op_D | Op_A | Op_NB },
3097d849dc1SJustin Hibbits { "sync", 0xfc6007fe, 0x7c0004ac, 0 },
3107d849dc1SJustin Hibbits { "lwsync", 0xfc6007fe, 0x7c2004ac, 0 },
3117d849dc1SJustin Hibbits { "ptesync", 0xfc6007fe, 0x7c4004ac, 0 },
31245b4eca5SBenno Rice { "lfdx", 0xfc0007fe, 0x7c0004ae, Op_D | Op_A | Op_B },
31345b4eca5SBenno Rice { "lfdux", 0xfc0007fe, 0x7c0004ee, Op_D | Op_A | Op_B },
31445b4eca5SBenno Rice { "mfsrin", 0xfc0007fe, 0x7c000526, Op_D | Op_B },
315a8c4b5ceSJustin Hibbits { "stswx", 0xfc0007fe, 0x7c00052a, Op_ST | Op_A | Op_B },
316a8c4b5ceSJustin Hibbits { "stwbrx", 0xfc0007fe, 0x7c00052c, Op_ST | Op_A | Op_B },
317a8c4b5ceSJustin Hibbits { "stfsx", 0xfc0007fe, 0x7c00052e, Op_ST | Op_A | Op_B },
318a8c4b5ceSJustin Hibbits { "stfsux", 0xfc0007fe, 0x7c00056e, Op_ST | Op_A | Op_B },
319a8c4b5ceSJustin Hibbits { "stswi", 0xfc0007fe, 0x7c0005aa, Op_ST | Op_A | Op_NB },
320a8c4b5ceSJustin Hibbits { "stfdx", 0xfc0007fe, 0x7c0005ae, Op_ST | Op_A | Op_B },
321a8c4b5ceSJustin Hibbits { "stfdux", 0xfc0007fe, 0x7c0005ee, Op_ST | Op_A | Op_B },
32245b4eca5SBenno Rice { "lhbrx", 0xfc0007fe, 0x7c00062c, Op_D | Op_A | Op_B },
32345b4eca5SBenno Rice { "sraw", 0xfc0007fe, 0x7c000630, Op_S | Op_A | Op_B },
32445b4eca5SBenno Rice { "srad", 0xfc0007fe, 0x7c000634, Op_S | Op_A | Op_B | Op_Rc },
325a8c4b5ceSJustin Hibbits { "srawi", 0xfc0007fe, 0x7c000670, Op_S | Op_A | Op_rSH | Op_Rc },
32645b4eca5SBenno Rice { "sradi", 0xfc0007fc, 0x7c000674, Op_S | Op_A | Op_sh },
32745b4eca5SBenno Rice { "eieio", 0xfc0007fe, 0x7c0006ac, 0 },
32845b4eca5SBenno Rice { "tlbsx", 0xfc0007fe, 0x7c000724, Op_S | Op_A | Op_B | Op_Rc },
329a8c4b5ceSJustin Hibbits { "sthbrx", 0xfc0007fe, 0x7c00072c, Op_ST | Op_A | Op_B },
330a8c4b5ceSJustin Hibbits { "extsh", 0xfc0007fe, 0x7c000734, Op_S | Op_A | Op_Rc },
33145b4eca5SBenno Rice { "tlbre", 0xfc0007fe, 0x7c000764, Op_D | Op_A | Op_WS },
33245b4eca5SBenno Rice { "extsb", 0xfc0007fe, 0x7c000774, Op_S | Op_A | Op_Rc },
33345b4eca5SBenno Rice { "icbi", 0xfc0007fe, 0x7c0007ac, Op_A | Op_B },
33445b4eca5SBenno Rice { "tlbwe", 0xfc0007fe, 0x7c0007a4, Op_S | Op_A | Op_WS },
335a8c4b5ceSJustin Hibbits { "stfiwx", 0xfc0007fe, 0x7c0007ae, Op_ST | Op_A | Op_B },
33645b4eca5SBenno Rice { "extsw", 0xfc0007fe, 0x7c0007b4, Op_S | Op_A | Op_Rc },
33745b4eca5SBenno Rice { "dcbz", 0xfc0007fe, 0x7c0007ec, Op_A | Op_B },
33845b4eca5SBenno Rice { "", 0x0, 0x0, 0 }
33945b4eca5SBenno Rice };
34045b4eca5SBenno Rice
34145b4eca5SBenno Rice /* 3a * 4 = e8 */
34245b4eca5SBenno Rice const struct opcode opcodes_3a[] = {
34345b4eca5SBenno Rice { "ld", 0xfc000003, 0xe8000000, Op_D | Op_A | Op_ds },
34445b4eca5SBenno Rice { "ldu", 0xfc000003, 0xe8000001, Op_D | Op_A | Op_ds },
34545b4eca5SBenno Rice { "lwa", 0xfc000003, 0xe8000002, Op_D | Op_A | Op_ds },
34645b4eca5SBenno Rice { "", 0x0, 0x0, 0 }
34745b4eca5SBenno Rice };
34845b4eca5SBenno Rice /* 3b * 4 = ec */
34945b4eca5SBenno Rice const struct opcode opcodes_3b[] = {
35045b4eca5SBenno Rice { "fdivs", 0xfc00003e, 0xec000024, Op_D | Op_A | Op_B | Op_Rc },
35145b4eca5SBenno Rice { "fsubs", 0xfc00003e, 0xec000028, Op_D | Op_A | Op_B | Op_Rc },
35245b4eca5SBenno Rice
35345b4eca5SBenno Rice { "fadds", 0xfc00003e, 0xec00002a, Op_D | Op_A | Op_B | Op_Rc },
35445b4eca5SBenno Rice { "fsqrts", 0xfc00003e, 0xec00002c, Op_D | Op_B | Op_Rc },
35545b4eca5SBenno Rice { "fres", 0xfc00003e, 0xec000030, Op_D | Op_B | Op_Rc },
35645b4eca5SBenno Rice { "fmuls", 0xfc00003e, 0xec000032, Op_D | Op_A | Op_C | Op_Rc },
35745b4eca5SBenno Rice { "fmsubs", 0xfc00003e, 0xec000038, Op_D | Op_A | Op_B | Op_C | Op_Rc },
35845b4eca5SBenno Rice { "fmadds", 0xfc00003e, 0xec00003a, Op_D | Op_A | Op_B | Op_C | Op_Rc },
35945b4eca5SBenno Rice { "fnmsubs", 0xfc00003e, 0xec00003c, Op_D | Op_A | Op_B | Op_C | Op_Rc },
36045b4eca5SBenno Rice { "fnmadds", 0xfc00003e, 0xec00003e, Op_D | Op_A | Op_B | Op_C | Op_Rc },
36145b4eca5SBenno Rice { "", 0x0, 0x0, 0 }
36245b4eca5SBenno Rice };
36345b4eca5SBenno Rice /* 3e * 4 = f8 */
36445b4eca5SBenno Rice const struct opcode opcodes_3e[] = {
365a8c4b5ceSJustin Hibbits { "std", 0xfc000003, 0xf8000000, Op_ST | Op_A | Op_ds },
366a8c4b5ceSJustin Hibbits { "stdu", 0xfc000003, 0xf8000001, Op_ST | Op_A | Op_ds },
36745b4eca5SBenno Rice { "", 0x0, 0x0, 0 }
36845b4eca5SBenno Rice };
36945b4eca5SBenno Rice
37045b4eca5SBenno Rice /* 3f * 4 = fc */
37145b4eca5SBenno Rice const struct opcode opcodes_3f[] = {
37245b4eca5SBenno Rice { "fcmpu", 0xfc0007fe, 0xfc000000, Op_crfD | Op_A | Op_B },
37345b4eca5SBenno Rice { "frsp", 0xfc0007fe, 0xfc000018, Op_D | Op_B | Op_Rc },
37445b4eca5SBenno Rice { "fctiw", 0xfc0007fe, 0xfc00001c, Op_D | Op_B | Op_Rc },
37545b4eca5SBenno Rice { "fctiwz", 0xfc0007fe, 0xfc00001e, Op_D | Op_B | Op_Rc },
37645b4eca5SBenno Rice
37745b4eca5SBenno Rice { "fdiv", 0xfc00003e, 0xfc000024, Op_D | Op_A | Op_B | Op_Rc },
37845b4eca5SBenno Rice { "fsub", 0xfc00003e, 0xfc000028, Op_D | Op_A | Op_B | Op_Rc },
37945b4eca5SBenno Rice { "fadd", 0xfc00003e, 0xfc00002a, Op_D | Op_A | Op_B | Op_Rc },
38045b4eca5SBenno Rice { "fsqrt", 0xfc00003e, 0xfc00002c, Op_D | Op_B | Op_Rc },
38145b4eca5SBenno Rice { "fsel", 0xfc00003e, 0xfc00002e, Op_D | Op_A | Op_B | Op_C | Op_Rc },
38245b4eca5SBenno Rice { "fmul", 0xfc00003e, 0xfc000032, Op_D | Op_A | Op_C | Op_Rc },
38345b4eca5SBenno Rice { "frsqrte", 0xfc00003e, 0xfc000034, Op_D | Op_B | Op_Rc },
38445b4eca5SBenno Rice { "fmsub", 0xfc00003e, 0xfc000038, Op_D | Op_A | Op_B | Op_C | Op_Rc },
38545b4eca5SBenno Rice { "fmadd", 0xfc00003e, 0xfc00003a, Op_D | Op_A | Op_B | Op_C | Op_Rc },
38645b4eca5SBenno Rice { "fnmsub", 0xfc00003e, 0xfc00003c, Op_D | Op_A | Op_B | Op_C | Op_Rc },
38745b4eca5SBenno Rice { "fnmadd", 0xfc00003e, 0xfc00003e, Op_D | Op_A | Op_B | Op_C | Op_Rc },
38845b4eca5SBenno Rice
38945b4eca5SBenno Rice { "fcmpo", 0xfc0007fe, 0xfc000040, Op_crfD | Op_A | Op_B },
39045b4eca5SBenno Rice { "mtfsb1", 0xfc0007fe, 0xfc00004c, Op_crfD | Op_Rc },
39145b4eca5SBenno Rice { "fneg", 0xfc0007fe, 0xfc000050, Op_D | Op_B | Op_Rc },
39245b4eca5SBenno Rice { "mcrfs", 0xfc0007fe, 0xfc000080, Op_D | Op_B | Op_Rc },
39345b4eca5SBenno Rice { "mtfsb0", 0xfc0007fe, 0xfc00008c, Op_crfD | Op_Rc },
39445b4eca5SBenno Rice { "fmr", 0xfc0007fe, 0xfc000090, Op_D | Op_B | Op_Rc },
395a8c4b5ceSJustin Hibbits { "mtfsfi", 0xfc0007fe, 0xfc00010c, 0 }, /* XXX: out of flags! */
39645b4eca5SBenno Rice
39745b4eca5SBenno Rice { "fnabs", 0xfc0007fe, 0xfc000110, Op_D | Op_B | Op_Rc },
39845b4eca5SBenno Rice { "fabs", 0xfc0007fe, 0xfc000210, Op_D | Op_B | Op_Rc },
39945b4eca5SBenno Rice { "mffs", 0xfc0007fe, 0xfc00048e, Op_D | Op_B | Op_Rc },
40045b4eca5SBenno Rice { "mtfsf", 0xfc0007fe, 0xfc00058e, Op_FM | Op_B | Op_Rc },
40145b4eca5SBenno Rice { "fctid", 0xfc0007fe, 0xfc00065c, Op_D | Op_B | Op_Rc },
40245b4eca5SBenno Rice { "fctidz", 0xfc0007fe, 0xfc00065e, Op_D | Op_B | Op_Rc },
40345b4eca5SBenno Rice { "fcfid", 0xfc0007fe, 0xfc00069c, Op_D | Op_B | Op_Rc },
40445b4eca5SBenno Rice { "", 0x0, 0x0, 0 }
40545b4eca5SBenno Rice };
40645b4eca5SBenno Rice
40745b4eca5SBenno Rice struct specialreg {
40845b4eca5SBenno Rice int reg;
409a8c4b5ceSJustin Hibbits const char *name;
41045b4eca5SBenno Rice };
41145b4eca5SBenno Rice
41245b4eca5SBenno Rice const struct specialreg sprregs[] = {
413a8c4b5ceSJustin Hibbits { 0x000, "mq" },
41445b4eca5SBenno Rice { 0x001, "xer" },
41545b4eca5SBenno Rice { 0x008, "lr" },
41645b4eca5SBenno Rice { 0x009, "ctr" },
41745b4eca5SBenno Rice { 0x012, "dsisr" },
41845b4eca5SBenno Rice { 0x013, "dar" },
41945b4eca5SBenno Rice { 0x016, "dec" },
42045b4eca5SBenno Rice { 0x019, "sdr1" },
42145b4eca5SBenno Rice { 0x01a, "srr0" },
42245b4eca5SBenno Rice { 0x01b, "srr1" },
423a8c4b5ceSJustin Hibbits { 0x100, "vrsave" },
42445b4eca5SBenno Rice { 0x110, "sprg0" },
42545b4eca5SBenno Rice { 0x111, "sprg1" },
42645b4eca5SBenno Rice { 0x112, "sprg2" },
42745b4eca5SBenno Rice { 0x113, "sprg3" },
42845b4eca5SBenno Rice { 0x114, "sprg4" },
42945b4eca5SBenno Rice { 0x115, "sprg5" },
43045b4eca5SBenno Rice { 0x116, "sprg6" },
43145b4eca5SBenno Rice { 0x117, "sprg7" },
43245b4eca5SBenno Rice { 0x118, "asr" },
43345b4eca5SBenno Rice { 0x11a, "aer" },
43445b4eca5SBenno Rice { 0x11c, "tbl" },
43545b4eca5SBenno Rice { 0x11d, "tbu" },
43645b4eca5SBenno Rice { 0x11f, "pvr" },
43745b4eca5SBenno Rice { 0x210, "ibat0u" },
43845b4eca5SBenno Rice { 0x211, "ibat0l" },
43945b4eca5SBenno Rice { 0x212, "ibat1u" },
44045b4eca5SBenno Rice { 0x213, "ibat1l" },
44145b4eca5SBenno Rice { 0x214, "ibat2u" },
44245b4eca5SBenno Rice { 0x215, "ibat2l" },
44345b4eca5SBenno Rice { 0x216, "ibat3u" },
44445b4eca5SBenno Rice { 0x217, "ibat3l" },
44545b4eca5SBenno Rice { 0x218, "dbat0u" },
44645b4eca5SBenno Rice { 0x219, "dbat0l" },
44745b4eca5SBenno Rice { 0x21a, "dbat1u" },
44845b4eca5SBenno Rice { 0x21b, "dbat1l" },
44945b4eca5SBenno Rice { 0x21c, "dbat2u" },
45045b4eca5SBenno Rice { 0x21d, "dbat2l" },
45145b4eca5SBenno Rice { 0x21e, "dbat3u" },
45245b4eca5SBenno Rice { 0x21f, "dbat3l" },
453a8c4b5ceSJustin Hibbits { 0x230, "ibat4u" },
454a8c4b5ceSJustin Hibbits { 0x231, "ibat4l" },
455a8c4b5ceSJustin Hibbits { 0x232, "ibat5u" },
456a8c4b5ceSJustin Hibbits { 0x233, "ibat5l" },
457a8c4b5ceSJustin Hibbits { 0x234, "ibat6u" },
458a8c4b5ceSJustin Hibbits { 0x235, "ibat6l" },
459a8c4b5ceSJustin Hibbits { 0x236, "ibat7u" },
460a8c4b5ceSJustin Hibbits { 0x237, "ibat7l" },
461a8c4b5ceSJustin Hibbits { 0x238, "dbat4u" },
462a8c4b5ceSJustin Hibbits { 0x239, "dbat4l" },
463a8c4b5ceSJustin Hibbits { 0x23a, "dbat5u" },
464a8c4b5ceSJustin Hibbits { 0x23b, "dbat5l" },
465a8c4b5ceSJustin Hibbits { 0x23c, "dbat6u" },
466a8c4b5ceSJustin Hibbits { 0x23d, "dbat6l" },
467a8c4b5ceSJustin Hibbits { 0x23e, "dbat7u" },
468a8c4b5ceSJustin Hibbits { 0x23f, "dbat7l" },
46945b4eca5SBenno Rice { 0x3b0, "zpr" },
47045b4eca5SBenno Rice { 0x3b1, "pid" },
47145b4eca5SBenno Rice { 0x3b3, "ccr0" },
47245b4eca5SBenno Rice { 0x3b4, "iac3" },
47345b4eca5SBenno Rice { 0x3b5, "iac4" },
47445b4eca5SBenno Rice { 0x3b6, "dvc1" },
47545b4eca5SBenno Rice { 0x3b7, "dvc2" },
47645b4eca5SBenno Rice { 0x3b9, "sgr" },
47745b4eca5SBenno Rice { 0x3ba, "dcwr" },
47845b4eca5SBenno Rice { 0x3bb, "sler" },
47945b4eca5SBenno Rice { 0x3bc, "su0r" },
48045b4eca5SBenno Rice { 0x3bd, "dbcr1" },
48145b4eca5SBenno Rice { 0x3d3, "icdbdr" },
48245b4eca5SBenno Rice { 0x3d4, "esr" },
48345b4eca5SBenno Rice { 0x3d5, "dear" },
48445b4eca5SBenno Rice { 0x3d6, "evpr" },
48545b4eca5SBenno Rice { 0x3d8, "tsr" },
48645b4eca5SBenno Rice { 0x3da, "tcr" },
48745b4eca5SBenno Rice { 0x3db, "pit" },
48845b4eca5SBenno Rice { 0x3de, "srr2" },
48945b4eca5SBenno Rice { 0x3df, "srr3" },
490a8c4b5ceSJustin Hibbits { 0x3f0, "hid0" },
491a8c4b5ceSJustin Hibbits { 0x3f1, "hid1" },
492a8c4b5ceSJustin Hibbits { 0x3f2, "iabr" },
493a8c4b5ceSJustin Hibbits { 0x3f3, "hid2" },
494a8c4b5ceSJustin Hibbits { 0x3f5, "dabr" },
495a8c4b5ceSJustin Hibbits { 0x3f6, "msscr0" },
496a8c4b5ceSJustin Hibbits { 0x3f7, "msscr1" },
49745b4eca5SBenno Rice { 0x3f9, "l2cr" },
49845b4eca5SBenno Rice { 0x3fa, "dccr" },
49945b4eca5SBenno Rice { 0x3fb, "iccr" },
50045b4eca5SBenno Rice { 0x3ff, "pir" },
50145b4eca5SBenno Rice { 0, NULL }
50245b4eca5SBenno Rice };
50345b4eca5SBenno Rice
50445b4eca5SBenno Rice const struct specialreg dcrregs[] = {
50545b4eca5SBenno Rice { 0x010, "sdram0_cfgaddr" },
50645b4eca5SBenno Rice { 0x011, "sdram0_cfgdata" },
50745b4eca5SBenno Rice { 0x012, "ebc0_cfgaddr" },
50845b4eca5SBenno Rice { 0x013, "ebc0_cfgdata" },
50945b4eca5SBenno Rice { 0x014, "dcp0_cfgaddr" },
51045b4eca5SBenno Rice { 0x015, "dcp0_cfgdata" },
51145b4eca5SBenno Rice { 0x018, "ocm0_isarc" },
51245b4eca5SBenno Rice { 0x019, "ocm0_iscntl" },
51345b4eca5SBenno Rice { 0x01a, "ocm0_dsarc" },
51445b4eca5SBenno Rice { 0x01b, "ocm0_dscntl" },
51545b4eca5SBenno Rice { 0x084, "plb0_besr" },
51645b4eca5SBenno Rice { 0x086, "plb0_bear" },
51745b4eca5SBenno Rice { 0x087, "plb0_acr" },
51845b4eca5SBenno Rice { 0x0a0, "pob0_besr0" },
51945b4eca5SBenno Rice { 0x0a2, "pob0_bear" },
52045b4eca5SBenno Rice { 0x0a4, "pob0_besr1" },
52145b4eca5SBenno Rice { 0x0b0, "cpc0_pllmr" },
52245b4eca5SBenno Rice { 0x0b1, "cpc0_cr0" },
52345b4eca5SBenno Rice { 0x0b2, "cpc0_cr1" },
52445b4eca5SBenno Rice { 0x0b4, "cpc0_psr" },
52545b4eca5SBenno Rice { 0x0b5, "cpc0_jtagid" },
52645b4eca5SBenno Rice { 0x0b8, "cpc0_sr" },
52745b4eca5SBenno Rice { 0x0b9, "cpc0_er" },
52845b4eca5SBenno Rice { 0x0ba, "cpc0_fr" },
52945b4eca5SBenno Rice { 0x0c0, "uic0_sr" },
53045b4eca5SBenno Rice { 0x0c2, "uic0_er" },
53145b4eca5SBenno Rice { 0x0c3, "uic0_cr" },
53245b4eca5SBenno Rice { 0x0c4, "uic0_pr" },
53345b4eca5SBenno Rice { 0x0c5, "uic0_tr" },
53445b4eca5SBenno Rice { 0x0c6, "uic0_msr" },
53545b4eca5SBenno Rice { 0x0c7, "uic0_vr" },
53645b4eca5SBenno Rice { 0x0c8, "uic0_vcr" },
53745b4eca5SBenno Rice { 0x100, "dma0_cr0" },
53845b4eca5SBenno Rice { 0x101, "dma0_ct0" },
53945b4eca5SBenno Rice { 0x102, "dma0_da0" },
54045b4eca5SBenno Rice { 0x103, "dma0_sa0" },
54145b4eca5SBenno Rice { 0x104, "dma0_sg0" },
54245b4eca5SBenno Rice { 0x108, "dma0_cr1" },
54345b4eca5SBenno Rice { 0x109, "dma0_ct1" },
54445b4eca5SBenno Rice { 0x10a, "dma0_da1" },
54545b4eca5SBenno Rice { 0x10b, "dma0_sa1" },
54645b4eca5SBenno Rice { 0x10c, "dma0_sg1" },
54745b4eca5SBenno Rice { 0x110, "dma0_cr2" },
54845b4eca5SBenno Rice { 0x111, "dma0_ct2" },
54945b4eca5SBenno Rice { 0x112, "dma0_da2" },
55045b4eca5SBenno Rice { 0x113, "dma0_sa2" },
55145b4eca5SBenno Rice { 0x114, "dma0_sg2" },
55245b4eca5SBenno Rice { 0x118, "dma0_cr3" },
55345b4eca5SBenno Rice { 0x119, "dma0_ct3" },
55445b4eca5SBenno Rice { 0x11a, "dma0_da3" },
55545b4eca5SBenno Rice { 0x11b, "dma0_sa3" },
55645b4eca5SBenno Rice { 0x11c, "dma0_sg3" },
55745b4eca5SBenno Rice { 0x120, "dma0_sr" },
55845b4eca5SBenno Rice { 0x123, "dma0_sgc" },
55945b4eca5SBenno Rice { 0x125, "dma0_slp" },
56045b4eca5SBenno Rice { 0x126, "dma0_pol" },
56145b4eca5SBenno Rice { 0x180, "mal0_cfg" },
56245b4eca5SBenno Rice { 0x181, "mal0_esr" },
56345b4eca5SBenno Rice { 0x182, "mal0_ier" },
56445b4eca5SBenno Rice { 0x184, "mal0_txcasr" },
56545b4eca5SBenno Rice { 0x185, "mal0_txcarr" },
56645b4eca5SBenno Rice { 0x186, "mal0_txeobisr" },
56745b4eca5SBenno Rice { 0x187, "mal0_txdeir" },
56845b4eca5SBenno Rice { 0x190, "mal0_rxcasr" },
56945b4eca5SBenno Rice { 0x191, "mal0_rxcarr" },
57045b4eca5SBenno Rice { 0x192, "mal0_rxeobisr" },
57145b4eca5SBenno Rice { 0x193, "mal0_rxdeir" },
57245b4eca5SBenno Rice { 0x1a0, "mal0_txctp0r" },
57345b4eca5SBenno Rice { 0x1a1, "mal0_txctp1r" },
57445b4eca5SBenno Rice { 0x1a2, "mal0_txctp2r" },
57545b4eca5SBenno Rice { 0x1a3, "mal0_txctp3r" },
57645b4eca5SBenno Rice { 0x1c0, "mal0_rxctp0r" },
57745b4eca5SBenno Rice { 0x1e0, "mal0_rcbs0" },
57845b4eca5SBenno Rice { 0, NULL }
57945b4eca5SBenno Rice };
58045b4eca5SBenno Rice
581a8c4b5ceSJustin Hibbits static const char *condstr[8] = {
582a8c4b5ceSJustin Hibbits "ge", "le", "ne", "ns", "lt", "gt", "eq", "so"
583a8c4b5ceSJustin Hibbits };
584a8c4b5ceSJustin Hibbits
58545b4eca5SBenno Rice void
op_ill(instr_t instr,vm_offset_t loc)58645b4eca5SBenno Rice op_ill(instr_t instr, vm_offset_t loc)
58745b4eca5SBenno Rice {
58845b4eca5SBenno Rice db_printf("illegal instruction %x\n", instr);
58945b4eca5SBenno Rice }
59045b4eca5SBenno Rice
59145b4eca5SBenno Rice u_int32_t
extract_field(u_int32_t value,u_int32_t base,u_int32_t width)59245b4eca5SBenno Rice extract_field(u_int32_t value, u_int32_t base, u_int32_t width)
59345b4eca5SBenno Rice {
59445b4eca5SBenno Rice u_int32_t mask = (1 << width) - 1;
59545b4eca5SBenno Rice return ((value >> base) & mask);
59645b4eca5SBenno Rice }
59745b4eca5SBenno Rice
59845b4eca5SBenno Rice const struct opcode * search_op(const struct opcode *);
59945b4eca5SBenno Rice
60045b4eca5SBenno Rice void
disasm_fields(const struct opcode * popcode,instr_t instr,vm_offset_t loc,char * disasm_str,size_t slen)60145b4eca5SBenno Rice disasm_fields(const struct opcode *popcode, instr_t instr, vm_offset_t loc,
602a8c4b5ceSJustin Hibbits char *disasm_str, size_t slen)
60345b4eca5SBenno Rice {
60445b4eca5SBenno Rice char * pstr;
60545b4eca5SBenno Rice enum function_mask func;
606a8c4b5ceSJustin Hibbits int len;
607a8c4b5ceSJustin Hibbits
608a8c4b5ceSJustin Hibbits #define ADD_LEN(s) do { \
609a8c4b5ceSJustin Hibbits len = (s); \
610a8c4b5ceSJustin Hibbits slen -= len; \
611a8c4b5ceSJustin Hibbits pstr += len; \
612a8c4b5ceSJustin Hibbits } while(0)
613a8c4b5ceSJustin Hibbits #define APP_PSTR(fmt, arg) ADD_LEN(snprintf(pstr, slen, (fmt), (arg)))
614a8c4b5ceSJustin Hibbits #define APP_PSTRS(fmt) ADD_LEN(snprintf(pstr, slen, "%s", (fmt)))
61545b4eca5SBenno Rice
61645b4eca5SBenno Rice pstr = disasm_str;
61745b4eca5SBenno Rice
61845b4eca5SBenno Rice func = popcode->func;
619a8c4b5ceSJustin Hibbits if (func & Op_BC) {
620a8c4b5ceSJustin Hibbits u_int BO, BI;
621a8c4b5ceSJustin Hibbits BO = extract_field(instr, 31 - 10, 5);
622a8c4b5ceSJustin Hibbits BI = extract_field(instr, 31 - 15, 5);
623a8c4b5ceSJustin Hibbits func &= ~Op_BC;
624a8c4b5ceSJustin Hibbits if (BO & 4) {
625a8c4b5ceSJustin Hibbits /* standard, no decrement */
626a8c4b5ceSJustin Hibbits if (BO & 16) {
627a8c4b5ceSJustin Hibbits if (popcode->code == 0x40000000) {
628a8c4b5ceSJustin Hibbits APP_PSTRS("c");
629a8c4b5ceSJustin Hibbits func |= Op_BO | Op_BI;
630a8c4b5ceSJustin Hibbits }
631a8c4b5ceSJustin Hibbits }
632a8c4b5ceSJustin Hibbits else {
633a8c4b5ceSJustin Hibbits APP_PSTRS(condstr[((BO & 8) >> 1) + (BI & 3)]);
634a8c4b5ceSJustin Hibbits if (BI >= 4)
635a8c4b5ceSJustin Hibbits func |= Op_crfS;
636a8c4b5ceSJustin Hibbits }
637a8c4b5ceSJustin Hibbits }
638a8c4b5ceSJustin Hibbits else {
639a8c4b5ceSJustin Hibbits /* decrement and branch */
640a8c4b5ceSJustin Hibbits if (BO & 2)
641a8c4b5ceSJustin Hibbits APP_PSTRS("dz");
642a8c4b5ceSJustin Hibbits else
643a8c4b5ceSJustin Hibbits APP_PSTRS("dnz");
644a8c4b5ceSJustin Hibbits if ((BO & 24) == 0)
645a8c4b5ceSJustin Hibbits APP_PSTRS("f");
646a8c4b5ceSJustin Hibbits else if ((BO & 24) == 8)
647a8c4b5ceSJustin Hibbits APP_PSTRS("t");
648a8c4b5ceSJustin Hibbits else
649a8c4b5ceSJustin Hibbits func |= Op_BI;
650a8c4b5ceSJustin Hibbits }
651a8c4b5ceSJustin Hibbits if (popcode->code == 0x4c000020)
652a8c4b5ceSJustin Hibbits APP_PSTRS("lr");
653a8c4b5ceSJustin Hibbits else if (popcode->code == 0x4c000420)
654a8c4b5ceSJustin Hibbits APP_PSTRS("ctr");
655a8c4b5ceSJustin Hibbits if ((BO & 20) != 20 && (func & Op_BO) == 0)
656a8c4b5ceSJustin Hibbits func |= Op_BP; /* branch prediction hint */
657a8c4b5ceSJustin Hibbits }
65845b4eca5SBenno Rice if (func & Op_OE) {
65945b4eca5SBenno Rice u_int OE;
66045b4eca5SBenno Rice OE = extract_field(instr, 31 - 21, 1);
66145b4eca5SBenno Rice if (OE) {
662a8c4b5ceSJustin Hibbits APP_PSTRS("o");
66345b4eca5SBenno Rice }
66445b4eca5SBenno Rice func &= ~Op_OE;
66545b4eca5SBenno Rice }
66645b4eca5SBenno Rice switch (func & Op_LKM) {
66745b4eca5SBenno Rice case Op_Rc:
668a8c4b5ceSJustin Hibbits if (instr & 0x1)
669a8c4b5ceSJustin Hibbits APP_PSTRS(".");
67045b4eca5SBenno Rice break;
67145b4eca5SBenno Rice case Op_AA:
672a8c4b5ceSJustin Hibbits if (instr & 0x1)
673a8c4b5ceSJustin Hibbits APP_PSTRS("l");
67445b4eca5SBenno Rice if (instr & 0x2) {
675a8c4b5ceSJustin Hibbits APP_PSTRS("a");
67645b4eca5SBenno Rice loc = 0; /* Absolute address */
67745b4eca5SBenno Rice }
678a8c4b5ceSJustin Hibbits break;
67945b4eca5SBenno Rice case Op_LK:
680a8c4b5ceSJustin Hibbits if (instr & 0x1)
681a8c4b5ceSJustin Hibbits APP_PSTRS("l");
68245b4eca5SBenno Rice break;
68345b4eca5SBenno Rice default:
68445b4eca5SBenno Rice func &= ~Op_LKM;
68545b4eca5SBenno Rice }
686a8c4b5ceSJustin Hibbits if (func & Op_BP) {
687a8c4b5ceSJustin Hibbits int y;
688a8c4b5ceSJustin Hibbits y = (instr & 0x200000) != 0;
689a8c4b5ceSJustin Hibbits if (popcode->code == 0x40000000) {
690a8c4b5ceSJustin Hibbits int BD;
691a8c4b5ceSJustin Hibbits BD = extract_field(instr, 31 - 29, 14);
692a8c4b5ceSJustin Hibbits BD = BD << 18;
693a8c4b5ceSJustin Hibbits BD = BD >> 16;
694a8c4b5ceSJustin Hibbits BD += loc;
695a8c4b5ceSJustin Hibbits if ((vm_offset_t)BD < loc)
696a8c4b5ceSJustin Hibbits y ^= 1;
697a8c4b5ceSJustin Hibbits }
698a8c4b5ceSJustin Hibbits APP_PSTR("%c", y ? '+' : '-');
699a8c4b5ceSJustin Hibbits func &= ~Op_BP;
700a8c4b5ceSJustin Hibbits }
701a8c4b5ceSJustin Hibbits APP_PSTRS("\t");
70245b4eca5SBenno Rice
70345b4eca5SBenno Rice /* XXX: special cases here, out of flags in a 32bit word. */
70445b4eca5SBenno Rice if (strcmp(popcode->name, "wrteei") == 0) {
70545b4eca5SBenno Rice int E;
70645b4eca5SBenno Rice E = extract_field(instr, 31 - 16, 5);
707a8c4b5ceSJustin Hibbits APP_PSTR("%d", E);
70845b4eca5SBenno Rice return;
70945b4eca5SBenno Rice }
710a8c4b5ceSJustin Hibbits else if (strcmp(popcode->name, "mtfsfi") == 0) {
711a8c4b5ceSJustin Hibbits u_int UI;
712a8c4b5ceSJustin Hibbits UI = extract_field(instr, 31 - 8, 3);
713a8c4b5ceSJustin Hibbits APP_PSTR("crf%u, ", UI);
714a8c4b5ceSJustin Hibbits UI = extract_field(instr, 31 - 19, 4);
715a8c4b5ceSJustin Hibbits APP_PSTR("0x%x", UI);
716a8c4b5ceSJustin Hibbits }
71745b4eca5SBenno Rice /* XXX: end of special cases here. */
71845b4eca5SBenno Rice
719a8c4b5ceSJustin Hibbits if ((func & Op_FM) == Op_FM) {
720a8c4b5ceSJustin Hibbits u_int FM;
721a8c4b5ceSJustin Hibbits FM = extract_field(instr, 31 - 14, 8);
722a8c4b5ceSJustin Hibbits APP_PSTR("0x%x, ", FM);
723a8c4b5ceSJustin Hibbits func &= ~Op_FM;
724a8c4b5ceSJustin Hibbits }
725a8c4b5ceSJustin Hibbits if (func & Op_D) { /* Op_ST is the same */
72645b4eca5SBenno Rice u_int D;
72745b4eca5SBenno Rice D = extract_field(instr, 31 - 10, 5);
728a8c4b5ceSJustin Hibbits APP_PSTR("r%d, ", D);
72945b4eca5SBenno Rice func &= ~Op_D;
73045b4eca5SBenno Rice }
73145b4eca5SBenno Rice if (func & Op_crbD) {
73245b4eca5SBenno Rice u_int crbD;
73345b4eca5SBenno Rice crbD = extract_field(instr, 31 - 10, 5);
734a8c4b5ceSJustin Hibbits APP_PSTR("crb%d, ", crbD);
73545b4eca5SBenno Rice func &= ~Op_crbD;
73645b4eca5SBenno Rice }
73745b4eca5SBenno Rice if (func & Op_crfD) {
73845b4eca5SBenno Rice u_int crfD;
73945b4eca5SBenno Rice crfD = extract_field(instr, 31 - 8, 3);
740a8c4b5ceSJustin Hibbits APP_PSTR("crf%d, ", crfD);
74145b4eca5SBenno Rice func &= ~Op_crfD;
74245b4eca5SBenno Rice }
74345b4eca5SBenno Rice if (func & Op_TO) {
74445b4eca5SBenno Rice u_int TO;
74545b4eca5SBenno Rice TO = extract_field(instr, 31 - 10, 1);
746a8c4b5ceSJustin Hibbits APP_PSTR("%d, ", TO);
74745b4eca5SBenno Rice func &= ~Op_TO;
74845b4eca5SBenno Rice }
74945b4eca5SBenno Rice if (func & Op_crfS) {
75045b4eca5SBenno Rice u_int crfS;
75145b4eca5SBenno Rice crfS = extract_field(instr, 31 - 13, 3);
752a8c4b5ceSJustin Hibbits APP_PSTR("crf%d, ", crfS);
75345b4eca5SBenno Rice func &= ~Op_crfS;
75445b4eca5SBenno Rice }
75545b4eca5SBenno Rice if (func & Op_CRM) {
75645b4eca5SBenno Rice u_int CRM;
75745b4eca5SBenno Rice CRM = extract_field(instr, 31 - 19, 8);
758a8c4b5ceSJustin Hibbits APP_PSTR("0x%x, ", CRM);
75945b4eca5SBenno Rice func &= ~Op_CRM;
76045b4eca5SBenno Rice }
761a8c4b5ceSJustin Hibbits if (func & Op_BO) {
762a8c4b5ceSJustin Hibbits u_int BO;
763a8c4b5ceSJustin Hibbits BO = extract_field(instr, 31 - 10, 5);
764a8c4b5ceSJustin Hibbits APP_PSTR("%d, ", BO);
765a8c4b5ceSJustin Hibbits func &= ~Op_BO;
76645b4eca5SBenno Rice }
767a8c4b5ceSJustin Hibbits if (func & Op_BI) {
768a8c4b5ceSJustin Hibbits u_int BI;
769a8c4b5ceSJustin Hibbits BI = extract_field(instr, 31 - 15, 5);
770a8c4b5ceSJustin Hibbits APP_PSTR("%d, ", BI);
771a8c4b5ceSJustin Hibbits func &= ~Op_BI;
77245b4eca5SBenno Rice }
773a8c4b5ceSJustin Hibbits if (func & Op_dA) { /* register A indirect with displacement */
774a8c4b5ceSJustin Hibbits u_int A;
775a8c4b5ceSJustin Hibbits A = extract_field(instr, 31 - 31, 16);
776a8c4b5ceSJustin Hibbits if (A & 0x8000) {
777a8c4b5ceSJustin Hibbits APP_PSTRS("-");
778a8c4b5ceSJustin Hibbits A = 0x10000-A;
77945b4eca5SBenno Rice }
780a8c4b5ceSJustin Hibbits APP_PSTR("0x%x", A);
781a8c4b5ceSJustin Hibbits A = extract_field(instr, 31 - 15, 5);
782a8c4b5ceSJustin Hibbits APP_PSTR("(r%d)", A);
783a8c4b5ceSJustin Hibbits func &= ~Op_dA;
78445b4eca5SBenno Rice }
78545b4eca5SBenno Rice if (func & Op_spr) {
78645b4eca5SBenno Rice u_int spr;
78745b4eca5SBenno Rice u_int sprl;
78845b4eca5SBenno Rice u_int sprh;
78945b4eca5SBenno Rice const struct specialreg *regs;
79045b4eca5SBenno Rice int i;
79145b4eca5SBenno Rice sprl = extract_field(instr, 31 - 15, 5);
79245b4eca5SBenno Rice sprh = extract_field(instr, 31 - 20, 5);
79345b4eca5SBenno Rice spr = sprh << 5 | sprl;
79445b4eca5SBenno Rice
79545b4eca5SBenno Rice /* ugly hack - out of bitfields in the function mask */
79645b4eca5SBenno Rice if (popcode->name[2] == 'd') /* m.Dcr */
79745b4eca5SBenno Rice regs = dcrregs;
79845b4eca5SBenno Rice else
79945b4eca5SBenno Rice regs = sprregs;
80045b4eca5SBenno Rice for (i = 0; regs[i].name != NULL; i++)
80145b4eca5SBenno Rice if (spr == regs[i].reg)
80245b4eca5SBenno Rice break;
803a8c4b5ceSJustin Hibbits if (regs[i].name == NULL)
804a8c4b5ceSJustin Hibbits APP_PSTR("[unknown special reg (%d)]", spr);
80545b4eca5SBenno Rice else
806a8c4b5ceSJustin Hibbits APP_PSTR("%s", regs[i].name);
807a8c4b5ceSJustin Hibbits
808a8c4b5ceSJustin Hibbits if (popcode->name[1] == 't') /* spr is destination */
809a8c4b5ceSJustin Hibbits APP_PSTRS(", ");
81045b4eca5SBenno Rice func &= ~Op_spr;
81145b4eca5SBenno Rice }
812a8c4b5ceSJustin Hibbits if (func & Op_SR) {
813a8c4b5ceSJustin Hibbits u_int SR;
814a8c4b5ceSJustin Hibbits SR = extract_field(instr, 31 - 15, 3);
815a8c4b5ceSJustin Hibbits APP_PSTR("sr%d", SR);
816a8c4b5ceSJustin Hibbits if (popcode->name[1] == 't') /* SR is destination */
817a8c4b5ceSJustin Hibbits APP_PSTRS(", ");
818a8c4b5ceSJustin Hibbits func &= ~Op_SR;
819a8c4b5ceSJustin Hibbits }
820a8c4b5ceSJustin Hibbits if (func & Op_A) {
821a8c4b5ceSJustin Hibbits u_int A;
822a8c4b5ceSJustin Hibbits A = extract_field(instr, 31 - 15, 5);
823a8c4b5ceSJustin Hibbits APP_PSTR("r%d, ", A);
824a8c4b5ceSJustin Hibbits func &= ~Op_A;
825a8c4b5ceSJustin Hibbits }
826a8c4b5ceSJustin Hibbits if (func & Op_S) {
827a8c4b5ceSJustin Hibbits u_int D;
828a8c4b5ceSJustin Hibbits D = extract_field(instr, 31 - 10, 5);
829a8c4b5ceSJustin Hibbits APP_PSTR("r%d, ", D);
830a8c4b5ceSJustin Hibbits func &= ~Op_S;
831a8c4b5ceSJustin Hibbits }
832a8c4b5ceSJustin Hibbits if (func & Op_C) {
833a8c4b5ceSJustin Hibbits u_int C;
834a8c4b5ceSJustin Hibbits C = extract_field(instr, 31 - 25, 5);
835a8c4b5ceSJustin Hibbits APP_PSTR("r%d, ", C);
836a8c4b5ceSJustin Hibbits func &= ~Op_C;
837a8c4b5ceSJustin Hibbits }
838a8c4b5ceSJustin Hibbits if (func & Op_B) {
839a8c4b5ceSJustin Hibbits u_int B;
840a8c4b5ceSJustin Hibbits B = extract_field(instr, 31 - 20, 5);
841a8c4b5ceSJustin Hibbits APP_PSTR("r%d", B);
842a8c4b5ceSJustin Hibbits func &= ~Op_B;
843a8c4b5ceSJustin Hibbits }
844a8c4b5ceSJustin Hibbits if (func & Op_crbA) {
845a8c4b5ceSJustin Hibbits u_int crbA;
846a8c4b5ceSJustin Hibbits crbA = extract_field(instr, 31 - 15, 5);
847a8c4b5ceSJustin Hibbits APP_PSTR("%d, ", crbA);
848a8c4b5ceSJustin Hibbits func &= ~Op_crbA;
849a8c4b5ceSJustin Hibbits }
850a8c4b5ceSJustin Hibbits if (func & Op_crbB) {
851a8c4b5ceSJustin Hibbits u_int crbB;
852a8c4b5ceSJustin Hibbits crbB = extract_field(instr, 31 - 20, 5);
853a8c4b5ceSJustin Hibbits APP_PSTR("%d, ", crbB);
854a8c4b5ceSJustin Hibbits func &= ~Op_crbB;
855a8c4b5ceSJustin Hibbits }
856a8c4b5ceSJustin Hibbits if (func & Op_LI) {
8578d58dadeSJustin Hibbits int LI;
858a8c4b5ceSJustin Hibbits LI = extract_field(instr, 31 - 29, 24);
8598d58dadeSJustin Hibbits LI = LI << 8;
8608d58dadeSJustin Hibbits LI = LI >> 6;
8618d58dadeSJustin Hibbits LI += loc;
862a8c4b5ceSJustin Hibbits APP_PSTR("0x%x", LI);
863a8c4b5ceSJustin Hibbits func &= ~Op_LI;
864a8c4b5ceSJustin Hibbits }
865a8c4b5ceSJustin Hibbits switch (func & Op_SIMM) {
866a8c4b5ceSJustin Hibbits u_int IMM;
867a8c4b5ceSJustin Hibbits case Op_SIMM: /* same as Op_d */
868a8c4b5ceSJustin Hibbits IMM = extract_field(instr, 31 - 31, 16);
869a8c4b5ceSJustin Hibbits if (IMM & 0x8000) {
870a8c4b5ceSJustin Hibbits APP_PSTRS("-");
871a8c4b5ceSJustin Hibbits IMM = 0x10000-IMM;
872a8c4b5ceSJustin Hibbits }
873a8c4b5ceSJustin Hibbits func &= ~Op_SIMM;
874a8c4b5ceSJustin Hibbits goto common;
875a8c4b5ceSJustin Hibbits case Op_UIMM:
876a8c4b5ceSJustin Hibbits IMM = extract_field(instr, 31 - 31, 16);
877a8c4b5ceSJustin Hibbits func &= ~Op_UIMM;
878a8c4b5ceSJustin Hibbits goto common;
879a8c4b5ceSJustin Hibbits common:
880a8c4b5ceSJustin Hibbits APP_PSTR("0x%x", IMM);
881a8c4b5ceSJustin Hibbits break;
882a8c4b5ceSJustin Hibbits default:
883a8c4b5ceSJustin Hibbits ;
884a8c4b5ceSJustin Hibbits }
885a8c4b5ceSJustin Hibbits if (func & Op_BD) {
8868d58dadeSJustin Hibbits int BD;
887a8c4b5ceSJustin Hibbits BD = extract_field(instr, 31 - 29, 14);
8888d58dadeSJustin Hibbits BD = BD << 18;
8898d58dadeSJustin Hibbits BD = BD >> 16;
8908d58dadeSJustin Hibbits BD += loc;
891a8c4b5ceSJustin Hibbits /* Need to sign extend and shift up 2, then add addr */
892a8c4b5ceSJustin Hibbits APP_PSTR("0x%x", BD);
893a8c4b5ceSJustin Hibbits func &= ~Op_BD;
894a8c4b5ceSJustin Hibbits }
895a8c4b5ceSJustin Hibbits if (func & Op_ds) {
896a8c4b5ceSJustin Hibbits u_int ds;
897a8c4b5ceSJustin Hibbits ds = extract_field(instr, 31 - 29, 14) << 2;
898a8c4b5ceSJustin Hibbits APP_PSTR("0x%x", ds);
899a8c4b5ceSJustin Hibbits func &= ~Op_ds;
900a8c4b5ceSJustin Hibbits }
90145b4eca5SBenno Rice if (func & Op_me) {
90245b4eca5SBenno Rice u_int me, mel, meh;
90345b4eca5SBenno Rice mel = extract_field(instr, 31 - 25, 4);
90445b4eca5SBenno Rice meh = extract_field(instr, 31 - 26, 1);
90545b4eca5SBenno Rice me = meh << 4 | mel;
906a8c4b5ceSJustin Hibbits APP_PSTR(", 0x%x", me);
90745b4eca5SBenno Rice func &= ~Op_me;
90845b4eca5SBenno Rice }
90945b4eca5SBenno Rice if ((func & Op_SH) && (func & Op_sh_mb_sh)) {
91045b4eca5SBenno Rice u_int SH;
91145b4eca5SBenno Rice SH = extract_field(instr, 31 - 20, 5);
912a8c4b5ceSJustin Hibbits APP_PSTR("%d", SH);
913a8c4b5ceSJustin Hibbits }
914a8c4b5ceSJustin Hibbits if ((func & Op_MB) && (func & Op_sh_mb_sh)) {
915a8c4b5ceSJustin Hibbits u_int MB;
916a8c4b5ceSJustin Hibbits u_int ME;
917a8c4b5ceSJustin Hibbits MB = extract_field(instr, 31 - 25, 5);
918a8c4b5ceSJustin Hibbits APP_PSTR(", %d", MB);
919a8c4b5ceSJustin Hibbits ME = extract_field(instr, 31 - 30, 5);
920a8c4b5ceSJustin Hibbits APP_PSTR(", %d", ME);
92145b4eca5SBenno Rice }
92245b4eca5SBenno Rice if ((func & Op_sh) && ! (func & Op_sh_mb_sh)) {
92345b4eca5SBenno Rice u_int sh, shl, shh;
92445b4eca5SBenno Rice shl = extract_field(instr, 31 - 19, 4);
92545b4eca5SBenno Rice shh = extract_field(instr, 31 - 20, 1);
92645b4eca5SBenno Rice sh = shh << 4 | shl;
927a8c4b5ceSJustin Hibbits APP_PSTR(", %d", sh);
92845b4eca5SBenno Rice }
92945b4eca5SBenno Rice if ((func & Op_mb) && ! (func & Op_sh_mb_sh)) {
93045b4eca5SBenno Rice u_int mb, mbl, mbh;
93145b4eca5SBenno Rice mbl = extract_field(instr, 31 - 25, 4);
93245b4eca5SBenno Rice mbh = extract_field(instr, 31 - 26, 1);
93345b4eca5SBenno Rice mb = mbh << 4 | mbl;
934a8c4b5ceSJustin Hibbits APP_PSTR(", %d", mb);
93545b4eca5SBenno Rice }
93645b4eca5SBenno Rice if ((func & Op_me) && ! (func & Op_sh_mb_sh)) {
93745b4eca5SBenno Rice u_int me, mel, meh;
93845b4eca5SBenno Rice mel = extract_field(instr, 31 - 25, 4);
93945b4eca5SBenno Rice meh = extract_field(instr, 31 - 26, 1);
94045b4eca5SBenno Rice me = meh << 4 | mel;
941a8c4b5ceSJustin Hibbits APP_PSTR(", %d", me);
94245b4eca5SBenno Rice }
94345b4eca5SBenno Rice if (func & Op_tbr) {
94445b4eca5SBenno Rice u_int tbr;
94545b4eca5SBenno Rice u_int tbrl;
94645b4eca5SBenno Rice u_int tbrh;
947a8c4b5ceSJustin Hibbits const char *reg;
94845b4eca5SBenno Rice tbrl = extract_field(instr, 31 - 15, 5);
94945b4eca5SBenno Rice tbrh = extract_field(instr, 31 - 20, 5);
95045b4eca5SBenno Rice tbr = tbrh << 5 | tbrl;
95145b4eca5SBenno Rice
95245b4eca5SBenno Rice switch (tbr) {
95345b4eca5SBenno Rice case 268:
95445b4eca5SBenno Rice reg = "tbl";
95545b4eca5SBenno Rice break;
95645b4eca5SBenno Rice case 269:
95745b4eca5SBenno Rice reg = "tbu";
95845b4eca5SBenno Rice break;
95945b4eca5SBenno Rice default:
9608d58dadeSJustin Hibbits reg = NULL;
96145b4eca5SBenno Rice }
9628d58dadeSJustin Hibbits if (reg == NULL)
963a8c4b5ceSJustin Hibbits APP_PSTR(", [unknown tbr %d ]", tbr);
96445b4eca5SBenno Rice else
965a8c4b5ceSJustin Hibbits APP_PSTR(", %s", reg);
96645b4eca5SBenno Rice func &= ~Op_tbr;
96745b4eca5SBenno Rice }
96845b4eca5SBenno Rice if (func & Op_NB) {
96945b4eca5SBenno Rice u_int NB;
97045b4eca5SBenno Rice NB = extract_field(instr, 31 - 20, 5);
97145b4eca5SBenno Rice if (NB == 0)
97245b4eca5SBenno Rice NB = 32;
973a8c4b5ceSJustin Hibbits APP_PSTR(", %d", NB);
97445b4eca5SBenno Rice func &= ~Op_SR;
97545b4eca5SBenno Rice }
976a8c4b5ceSJustin Hibbits #undef ADD_LEN
977a8c4b5ceSJustin Hibbits #undef APP_PSTR
978a8c4b5ceSJustin Hibbits #undef APP_PSTRS
97945b4eca5SBenno Rice }
98045b4eca5SBenno Rice
98145b4eca5SBenno Rice void
op_base(instr_t instr,vm_offset_t loc)98245b4eca5SBenno Rice op_base(instr_t instr, vm_offset_t loc)
98345b4eca5SBenno Rice {
98445b4eca5SBenno Rice dis_ppc(opcodes, instr, loc);
98545b4eca5SBenno Rice }
98645b4eca5SBenno Rice
98745b4eca5SBenno Rice void
op_cl_x13(instr_t instr,vm_offset_t loc)98845b4eca5SBenno Rice op_cl_x13(instr_t instr, vm_offset_t loc)
98945b4eca5SBenno Rice {
99045b4eca5SBenno Rice dis_ppc(opcodes_13, instr, loc);
99145b4eca5SBenno Rice }
99245b4eca5SBenno Rice
99345b4eca5SBenno Rice void
op_cl_x1e(instr_t instr,vm_offset_t loc)99445b4eca5SBenno Rice op_cl_x1e(instr_t instr, vm_offset_t loc)
99545b4eca5SBenno Rice {
99645b4eca5SBenno Rice dis_ppc(opcodes_1e, instr, loc);
99745b4eca5SBenno Rice }
99845b4eca5SBenno Rice
99945b4eca5SBenno Rice void
op_cl_x1f(instr_t instr,vm_offset_t loc)100045b4eca5SBenno Rice op_cl_x1f(instr_t instr, vm_offset_t loc)
100145b4eca5SBenno Rice {
100245b4eca5SBenno Rice dis_ppc(opcodes_1f, instr, loc);
100345b4eca5SBenno Rice }
100445b4eca5SBenno Rice
100545b4eca5SBenno Rice void
op_cl_x3a(instr_t instr,vm_offset_t loc)100645b4eca5SBenno Rice op_cl_x3a(instr_t instr, vm_offset_t loc)
100745b4eca5SBenno Rice {
100845b4eca5SBenno Rice dis_ppc(opcodes_3a, instr, loc);
100945b4eca5SBenno Rice }
101045b4eca5SBenno Rice
101145b4eca5SBenno Rice void
op_cl_x3b(instr_t instr,vm_offset_t loc)101245b4eca5SBenno Rice op_cl_x3b(instr_t instr, vm_offset_t loc)
101345b4eca5SBenno Rice {
101445b4eca5SBenno Rice dis_ppc(opcodes_3b, instr, loc);
101545b4eca5SBenno Rice }
101645b4eca5SBenno Rice
101745b4eca5SBenno Rice void
op_cl_x3e(instr_t instr,vm_offset_t loc)101845b4eca5SBenno Rice op_cl_x3e(instr_t instr, vm_offset_t loc)
101945b4eca5SBenno Rice {
102045b4eca5SBenno Rice dis_ppc(opcodes_3e, instr, loc);
102145b4eca5SBenno Rice }
102245b4eca5SBenno Rice
102345b4eca5SBenno Rice void
op_cl_x3f(instr_t instr,vm_offset_t loc)102445b4eca5SBenno Rice op_cl_x3f(instr_t instr, vm_offset_t loc)
102545b4eca5SBenno Rice {
102645b4eca5SBenno Rice dis_ppc(opcodes_3f, instr, loc);
102745b4eca5SBenno Rice }
102845b4eca5SBenno Rice
102945b4eca5SBenno Rice void
dis_ppc(const struct opcode * opcodeset,instr_t instr,vm_offset_t loc)103045b4eca5SBenno Rice dis_ppc(const struct opcode *opcodeset, instr_t instr, vm_offset_t loc)
103145b4eca5SBenno Rice {
103245b4eca5SBenno Rice const struct opcode *op;
103345b4eca5SBenno Rice int found = 0;
103445b4eca5SBenno Rice int i;
1035a8c4b5ceSJustin Hibbits char disasm_str[80];
103645b4eca5SBenno Rice
103745b4eca5SBenno Rice for (i = 0, op = &opcodeset[0];
103845b4eca5SBenno Rice found == 0 && op->mask != 0;
103945b4eca5SBenno Rice i++, op = &opcodeset[i]) {
104045b4eca5SBenno Rice if ((instr & op->mask) == op->code) {
104145b4eca5SBenno Rice found = 1;
1042a8c4b5ceSJustin Hibbits disasm_fields(op, instr, loc, disasm_str,
1043a8c4b5ceSJustin Hibbits sizeof disasm_str);
104445b4eca5SBenno Rice db_printf("%s%s\n", op->name, disasm_str);
104545b4eca5SBenno Rice return;
104645b4eca5SBenno Rice }
104745b4eca5SBenno Rice }
104845b4eca5SBenno Rice op_ill(instr, loc);
104945b4eca5SBenno Rice }
105045b4eca5SBenno Rice
105145b4eca5SBenno Rice db_addr_t
db_disasm(db_addr_t loc,bool extended)1052cd508278SPedro F. Giffuni db_disasm(db_addr_t loc, bool extended)
105345b4eca5SBenno Rice {
105445b4eca5SBenno Rice int class;
105545b4eca5SBenno Rice instr_t opcode;
105645b4eca5SBenno Rice opcode = *(instr_t *)(loc);
105721280011SBrandon Bergren if (extended)
105821280011SBrandon Bergren db_printf("|%08x| ", opcode);
105945b4eca5SBenno Rice class = opcode >> 26;
106045b4eca5SBenno Rice (opcodes_base[class])(opcode, loc);
106145b4eca5SBenno Rice
106245b4eca5SBenno Rice return (loc + 4);
106345b4eca5SBenno Rice }
106445b4eca5SBenno Rice
106545b4eca5SBenno Rice vm_offset_t opc_disasm(vm_offset_t loc, int);
106645b4eca5SBenno Rice
106745b4eca5SBenno Rice vm_offset_t
opc_disasm(vm_offset_t loc,int xin)106845b4eca5SBenno Rice opc_disasm(vm_offset_t loc, int xin)
106945b4eca5SBenno Rice {
107045b4eca5SBenno Rice int class;
107145b4eca5SBenno Rice instr_t opcode;
107245b4eca5SBenno Rice opcode = xin;
107345b4eca5SBenno Rice class = opcode >> 26;
107445b4eca5SBenno Rice (opcodes_base[class])(opcode, loc);
107545b4eca5SBenno Rice
107645b4eca5SBenno Rice return (loc + 4);
107745b4eca5SBenno Rice }
1078