diff options
Diffstat (limited to 'sys/arch/mvmeppc/ddb/db_disasm.c')
-rw-r--r-- | sys/arch/mvmeppc/ddb/db_disasm.c | 865 |
1 files changed, 0 insertions, 865 deletions
diff --git a/sys/arch/mvmeppc/ddb/db_disasm.c b/sys/arch/mvmeppc/ddb/db_disasm.c deleted file mode 100644 index 42f5bb6c6c7..00000000000 --- a/sys/arch/mvmeppc/ddb/db_disasm.c +++ /dev/null @@ -1,865 +0,0 @@ -/* $OpenBSD: db_disasm.c,v 1.1 2001/06/26 21:57:39 smurph Exp $ */ - -#include <sys/types.h> -#include <sys/param.h> -#include <sys/proc.h> - -#include <machine/db_machdep.h> - -#include <ddb/db_access.h> -#include <ddb/db_sym.h> -#include <ddb/db_variables.h> -#include <ddb/db_interface.h> - -enum function_mask { - Op_A = 0x00000001, - Op_B = 0x00000002, - Op_BI = 0x00000004, - Op_BO = 0x00000008, - Op_CRM = 0x00000010, - Op_D = 0x00000020, /* yes, Op_S and Op_D are the same */ - Op_S = 0x00000020, - Op_FM = 0x00000040, - Op_IMM = 0x00000080, - Op_LK = 0x00000100, - Op_Rc = 0x00000200, - Op_AA = Op_LK | Op_Rc, /* kludge (reduce Op_s) */ - Op_LKM = Op_AA, - Op_RcM = Op_AA, - Op_OE = 0x00000400, - Op_SR = 0x00000800, - Op_TO = 0x00001000, - Op_sign = 0x00002000, - Op_const = 0x00004000, - Op_SIMM = Op_const | Op_sign, - Op_UIMM = Op_const, - Op_d = Op_const | Op_sign, - Op_crbA = 0x00008000, - Op_crbB = 0x00010000, - Op_crbD = 0x00020000, - Op_crfD = 0x00040000, - Op_crfS = 0x00080000, - Op_ds = 0x00100000, - Op_me = 0x00200000, - Op_spr = 0x00400000, - Op_tbr = 0x00800000, - - Op_L = 0x01000000, - Op_BD = 0x02000000, - Op_LI = 0x04000000, - Op_C = 0x08000000, - - Op_NB = 0x10000000, - - Op_sh_mb_sh = 0x20000000, - Op_sh = 0x40000000, - Op_SH = Op_sh | Op_sh_mb_sh, - Op_mb = 0x80000000, - Op_MB = Op_mb | Op_sh_mb_sh, - Op_ME = Op_MB, - -}; - -struct opcode { - char *name; - u_int32_t mask; - u_int32_t code; - enum function_mask func; -}; - -typedef u_int32_t instr_t; -typedef void (op_class_func) (u_int32_t addr, instr_t); - -void dis_ppc(u_int32_t, const struct opcode *opcodeset, instr_t instr); - -op_class_func op_ill, op_base; -op_class_func op_cl_x13, op_cl_x1e, op_cl_x1f; -op_class_func op_cl_x3a, op_cl_x3b; -op_class_func op_cl_x3e, op_cl_x3f; - -op_class_func *opcodes_base[] = { -/*x00*/ op_ill, op_ill, op_base, op_ill, -/*x04*/ op_ill, op_ill, op_ill, op_base, -/*x08*/ op_base, op_base, op_ill, op_base, -/*x0C*/ op_base, op_base, op_base/*XXX*/, op_base/*XXX*/, -/*x10*/ op_base, op_base, op_base, op_cl_x13, -/*x14*/ op_base, op_base, op_ill, op_base, -/*x18*/ op_base, op_base, op_base, op_base, -/*x1C*/ op_base, op_base, op_cl_x1e, op_cl_x1f, -/*x20*/ op_base, op_base, op_base, op_base, -/*x24*/ op_base, op_base, op_base, op_base, -/*x28*/ op_base, op_base, op_base, op_base, -/*x2C*/ op_base, op_base, op_base, op_base, -/*x30*/ op_base, op_base, op_base, op_base, -/*x34*/ op_base, op_base, op_base, op_base, -/*x38*/ op_ill, op_ill, op_cl_x3a, op_cl_x3b, -/*x3C*/ op_ill, op_ill, op_cl_x3e, op_cl_x3f -}; - - -/* This table could be modified to make significant the "reserved" fields - * of the opcodes, But I didn't feel like it when typing in the table, - * I would recommend that this table be looked over for errors, - * This was derived from the table in Appendix A.2 of (Mot part # MPCFPE/AD) - * PowerPC Microprocessor Family: The Programming Environments - */ - -const struct opcode opcodes[] = { - { "tdi", 0xfc000000, 0x08000000, Op_TO | Op_A | Op_SIMM }, - { "twi", 0xfc000000, 0x0c000000, Op_TO | Op_A | Op_SIMM }, - { "mulli", 0xfc000000, 0x1c000000, Op_D | Op_A | Op_SIMM }, - { "subfic", 0xfc000000, 0x20000000, Op_D | Op_A | Op_SIMM }, - { "cmpli", 0xfc000000, 0x28000000, Op_crfD | Op_L | Op_A | Op_SIMM }, - { "cmpi", 0xfc000000, 0x2c000000, Op_crfD | Op_L | Op_A | Op_SIMM }, - { "addic", 0xfc000000, 0x30000000, Op_D | Op_A | Op_SIMM }, - { "addic.", 0xfc000000, 0x34000000, Op_D | Op_A | Op_SIMM }, - { "addi", 0xfc000000, 0x38000000, Op_D | Op_A | Op_SIMM }, - { "addis", 0xfc000000, 0x3c000000, Op_D | Op_A | Op_SIMM }, - { "bc", 0xfc000000, 0x40000000, Op_BO | Op_BI | Op_BD | Op_AA | Op_LK }, - { "sc", 0xffffffff, 0x44000002, Op_BO | Op_BI | Op_BD | Op_AA | Op_LK }, - { "b", 0xfc000000, 0x48000000, Op_LI | Op_AA | Op_LK }, - - { "rlwimi", 0xfc000000, 0x50000000, Op_S | Op_A | Op_SH | Op_MB | Op_ME | Op_Rc }, - { "rlwinmi", 0xfc000000, 0x54000000, Op_S | Op_A | Op_SH | Op_MB | Op_ME | Op_Rc }, - { "rlwnmi", 0xfc000000, 0x5C000000, Op_S | Op_A | Op_SH | Op_MB | Op_ME | Op_Rc }, - - { "ori", 0xfc000000, 0x60000000, Op_S | Op_A | Op_UIMM }, - { "oris", 0xfc000000, 0x64000000, Op_S | Op_A | Op_UIMM }, - { "xori", 0xfc000000, 0x68000000, Op_S | Op_A | Op_UIMM }, - { "xoris", 0xfc000000, 0x6C000000, Op_S | Op_A | Op_UIMM }, - - { "andi.", 0xfc000000, 0x70000000, Op_S | Op_A | Op_UIMM }, - { "andis.", 0xfc000000, 0x74000000, Op_S | Op_A | Op_UIMM }, - - { "lwz", 0xfc000000, 0x80000000, Op_D | Op_A | Op_d }, - { "lwzu", 0xfc000000, 0x84000000, Op_D | Op_A | Op_d }, - { "lbz", 0xfc000000, 0x88000000, Op_D | Op_A | Op_d }, - { "lbzu", 0xfc000000, 0x8c000000, Op_D | Op_A | Op_d }, - { "stw", 0xfc000000, 0x90000000, Op_S | Op_A | Op_d }, - { "stwu", 0xfc000000, 0x94000000, Op_S | Op_A | Op_d }, - { "stb", 0xfc000000, 0x98000000, Op_S | Op_A | Op_d }, - { "stbu", 0xfc000000, 0x9c000000, Op_S | Op_A | Op_d }, - - { "lhz", 0xfc000000, 0xa0000000, Op_D | Op_A | Op_d }, - { "lhzu", 0xfc000000, 0xa4000000, Op_D | Op_A | Op_d }, - { "lha", 0xfc000000, 0xa8000000, Op_D | Op_A | Op_d }, - { "lhau", 0xfc000000, 0xac000000, Op_D | Op_A | Op_d }, - { "sth", 0xfc000000, 0xb0000000, Op_S | Op_A | Op_d }, - { "sthu", 0xfc000000, 0xb4000000, Op_S | Op_A | Op_d }, - { "lmw", 0xfc000000, 0xb8000000, Op_D | Op_A | Op_d }, - { "stmw", 0xfc000000, 0xbc000000, Op_S | Op_A | Op_d }, - - { "lfs", 0xfc000000, 0xc0000000, Op_D | Op_A | Op_d }, - { "lfsu", 0xfc000000, 0xc4000000, Op_D | Op_A | Op_d }, - { "lfd", 0xfc000000, 0xc8000000, Op_D | Op_A | Op_d }, - { "lfdu", 0xfc000000, 0xcc000000, Op_D | Op_A | Op_d }, - - { "stfs", 0xfc000000, 0xd0000000, Op_S | Op_A | Op_d }, - { "stfsu", 0xfc000000, 0xd4000000, Op_S | Op_A | Op_d }, - { "stfd", 0xfc000000, 0xd8000000, Op_S | Op_A | Op_d }, - { "stfdu", 0xfc000000, 0xdc000000, Op_S | Op_A | Op_d }, - { "", 0x0, 0x0, 0 } - -}; -/* 13 * 4 = 4c */ -const struct opcode opcodes_13[] = { -/* 0x13 << 2 */ - { "mcrf", 0xfc0007fe, 0x4c000000, Op_crfD | Op_crfS }, - { "bclr", 0xfc0007fe, 0x4c000020, Op_BO | Op_BI | Op_LK }, - { "crnor", 0xfc0007fe, 0x4c000042, Op_crbD | Op_crbA | Op_crbB }, - { "rfi", 0xfc0007fe, 0x4c000064, 0 }, - { "crandc", 0xfc0007fe, 0x4c000102, Op_BO | Op_BI | Op_LK }, - { "isync", 0xfc0007fe, 0x4c00012c, 0 }, - { "crxor", 0xfc0007fe, 0x4c000182, Op_crbD | Op_crbA | Op_crbB }, - { "crnand", 0xfc0007fe, 0x4c0001c2, Op_crbD | Op_crbA | Op_crbB }, - { "crand", 0xfc0007fe, 0x4c000202, Op_crbD | Op_crbA | Op_crbB }, - { "creqv", 0xfc0007fe, 0x4c000242, Op_crbD | Op_crbA | Op_crbB }, - { "crorc", 0xfc0007fe, 0x4c000342, Op_crbD | Op_crbA | Op_crbB }, - { "cror", 0xfc0007fe, 0x4c000382, Op_crbD | Op_crbA | Op_crbB }, - { "bcctr", 0xfc0007fe, 0x4c000420, Op_BO | Op_BI | Op_LK }, - { "", 0x0, 0x0, 0 } -}; - -/* 1e * 4 = 78 */ -const struct opcode opcodes_1e[] = { - { "rldicl", 0xfc00001c, 0x78000000, Op_S | Op_A | Op_sh | Op_mb | Op_Rc }, - { "rldicr", 0xfc00001c, 0x78000004, Op_S | Op_A | Op_sh | Op_me | Op_Rc }, - { "rldic", 0xfc00001c, 0x78000008, Op_S | Op_A | Op_sh | Op_mb | Op_Rc }, - { "rldimi", 0xfc00001c, 0x7800000c, Op_S | Op_A | Op_sh | Op_mb | Op_Rc }, - { "rldcl", 0xfc00003e, 0x78000010, Op_S | Op_A | Op_B | Op_mb | Op_Rc }, - { "rldcr", 0xfc00003e, 0x78000012, Op_S | Op_A | Op_B | Op_me | Op_Rc }, - { "", 0x0, 0x0, 0 } -}; - -/* 1f * 4 = 7c */ -const struct opcode opcodes_1f[] = { -/* 1f << 2 */ - { "cmp", 0xfc0007fe, 0x7c000000, Op_S | Op_A | Op_B | Op_me | Op_Rc }, - { "tw", 0xfc0007fe, 0x7c000008, Op_TO | Op_A | Op_B }, - { "subfc", 0xfc0003fe, 0x7c000010, Op_D | Op_A | Op_B | Op_OE | Op_Rc }, - { "mulhdu", 0xfc0007fe, 0x7c000012, Op_D | Op_A | Op_B | Op_Rc }, - { "addc", 0xfc0003fe, 0x7c000014, Op_D | Op_A | Op_B | Op_OE | Op_Rc }, - { "mulhwu", 0xfc0007fe, 0x7c000016, Op_D | Op_A | Op_B | Op_Rc }, - - { "mfcr", 0xfc0007fe, 0x7c000026, Op_D }, - { "lwarx", 0xfc0007fe, 0x7c000028, Op_D | Op_A | Op_B }, - { "ldx", 0xfc0007fe, 0x7c00002a, Op_D | Op_A | Op_B }, - { "lwzx", 0xfc0007fe, 0x7c00002c, Op_D | Op_A | Op_B }, - { "slw", 0xfc0007fe, 0x7c000030, Op_D | Op_A | Op_B | Op_Rc }, - { "cntlzw", 0xfc0007fe, 0x7c000034, Op_D | Op_A | Op_Rc }, - { "sld", 0xfc0007fe, 0x7c000036, Op_D | Op_A | Op_B | Op_Rc }, - { "and", 0xfc0007fe, 0x7c000038, Op_D | Op_A | Op_B | Op_Rc }, - { "cmpl", 0xfc0007fe, 0x7c000040, Op_crfD | Op_L | Op_A | Op_B }, - { "subf", 0xfc0007fe, 0x7c000050, Op_D | Op_A | Op_B | Op_OE | Op_Rc }, - { "ldux", 0xfc0007fe, 0x7c00006a, Op_D | Op_A | Op_B }, - { "dcbst", 0xfc0007fe, 0x7c00006c, Op_A | Op_B }, - { "lwzux", 0xfc0007fe, 0x7c00006e, Op_D | Op_A | Op_B }, - { "cntlzd", 0xfc0007fe, 0x7c000074, Op_S | Op_A | Op_Rc }, - { "andc", 0xfc0007fe, 0x7c000078, Op_S | Op_A | Op_B | Op_Rc }, - { "td", 0xfc0007fe, 0x7c000088, Op_TO | Op_A | Op_B }, - { "mulhd", 0xfc0007fe, 0x7c000092, Op_D | Op_A | Op_B | Op_Rc }, - { "mulhw", 0xfc0007fe, 0x7c000093, Op_D | Op_A | Op_B | Op_Rc }, - { "mfmsr", 0xfc0007fe, 0x7c0000a6, Op_D }, - { "ldarx", 0xfc0007fe, 0x7c0000a8, Op_D | Op_A | Op_B }, - { "dcbf", 0xfc0007fe, 0x7c0000ac, Op_A | Op_B }, - { "lbzx", 0xfc0007fe, 0x7c0000ae, Op_D | Op_A | Op_B }, - { "neg", 0xfc0007fe, 0x7c0000d0, Op_D | Op_A | Op_OE | Op_Rc }, - { "lbzux", 0xfc0007fe, 0x7c0000ee, Op_D | Op_A | Op_B }, - { "nor", 0xfc0007fe, 0x7c0000f8, Op_S | Op_A | Op_B | Op_Rc }, - { "subfe", 0xfc0007fe, 0x7c000110, Op_D | Op_A | Op_B | Op_OE | Op_Rc }, - { "adde", 0xfc0007fe, 0x7c000114, Op_D | Op_A | Op_B | Op_OE | Op_Rc }, - { "mtcrf", 0xfc0007fe, 0x7c000120, Op_S | Op_CRM }, - { "mtmsr", 0xfc0007fe, 0x7c000124, Op_S }, - { "stdx", 0xfc0007fe, 0x7c00012a, Op_S | Op_A | Op_B }, - { "stwcx.", 0xfc0007ff, 0x7c00012d, Op_S | Op_A | Op_B }, - { "stwx", 0xfc0007fe, 0x7c00012e, Op_S | Op_A | Op_B }, - { "stdux", 0xfc0007fe, 0x7c00016a, Op_S | Op_A | Op_B }, - { "stwux", 0xfc0007fe, 0x7c00016e, Op_S | Op_A | Op_B }, - { "subfze", 0xfc0007fe, 0x7c000190, Op_D | Op_A | Op_OE | Op_Rc }, - { "addze", 0xfc0007fe, 0x7c000194, Op_D | Op_A | Op_OE | Op_Rc }, - { "mtsr", 0xfc0007fe, 0x7c0001a4, Op_S | Op_SR }, - { "stdcx.", 0xfc0007ff, 0x7c0001ad, Op_S | Op_A | Op_B }, - { "stbx", 0xfc0007fe, 0x7c0001ae, Op_S | Op_A | Op_B }, - { "subfme", 0xfc0007fe, 0x7c0001d0, Op_D | Op_A | Op_OE | Op_Rc }, - { "mulld", 0xfc0007fe, 0x7c0001d2, Op_D | Op_A | Op_B | Op_OE | Op_Rc }, - { "addme", 0xfc0007fe, 0x7c0001d4, Op_D | Op_A | Op_OE | Op_Rc }, - { "mullw", 0xfc0007fe, 0x7c0001d6, Op_D | Op_A | Op_B | Op_OE | Op_Rc }, - { "mtsrin", 0xfc0007fe, 0x7c0001e4, Op_S | Op_B }, - { "dcbtst", 0xfc0007fe, 0x7c0001ec, Op_A | Op_B }, - { "stbux", 0xfc0007fe, 0x7c0001ee, Op_S | Op_A | Op_B }, - { "add", 0xfc0007fe, 0x7c000214, Op_D | Op_A | Op_B | Op_OE | Op_Rc }, - { "dcbt", 0xfc0007fe, 0x7c00022c, Op_A | Op_B }, - { "lhzx", 0xfc0007ff, 0x7c00022f, Op_D | Op_A | Op_B }, - { "eqv", 0xfc0007fe, 0x7c000238, Op_S | Op_A | Op_B | Op_Rc }, - { "tlbie", 0xfc0007fe, 0x7c000264, Op_B }, - { "eciwx", 0xfc0007fe, 0x7c00026c, Op_D | Op_A | Op_B }, - { "lhzux", 0xfc0007fe, 0x7c00026e, Op_D | Op_A | Op_B }, - { "xor", 0xfc0007fe, 0x7c000278, Op_S | Op_A | Op_B | Op_Rc }, - { "mfspr", 0xfc0007fe, 0x7c0002a6, Op_D | Op_spr }, - { "lhax", 0xfc0007fe, 0x7c0002aa, Op_D | Op_A | Op_B }, - { "lhax", 0xfc0007fe, 0x7c0002ae, Op_D | Op_A | Op_B }, - { "tlbia", 0xfc0007fe, 0x7c0002e4, 0 }, - { "mftb", 0xfc0007fe, 0x7c0002e6, Op_D | Op_tbr }, - { "lwaux", 0xfc0007fe, 0x7c0002e6, Op_D | Op_A | Op_B }, - { "lhaux", 0xfc0007fe, 0x7c0002ee, Op_D | Op_A | Op_B }, - { "sthx", 0xfc0007fe, 0x7c00032e, Op_S | Op_A | Op_B }, - { "orc", 0xfc0007fe, 0x7c000338, Op_S | Op_A | Op_B | Op_Rc }, - { "econwx", 0xfc0007fe, 0x7c00036c, Op_S | Op_A | Op_B | Op_Rc }, - { "slbie", 0xfc0007fc, 0x7c000364, Op_B }, - { "sthux", 0xfc0007fe, 0x7c00036e, Op_S | Op_A | Op_B }, - { "or", 0xfc0007fe, 0x7c000378, Op_S | Op_A | Op_B | Op_Rc }, - { "divdu", 0xfc0007fe, 0x7c000392, Op_D | Op_A | Op_B | Op_OE | Op_Rc }, - { "divwu", 0xfc0007fe, 0x7c000396, Op_D | Op_A | Op_B | Op_OE | Op_Rc }, - { "mtspr", 0xfc0007fe, 0x7c0003a6, Op_S | Op_spr }, - { "dcbi", 0xfc0007fe, 0x7c0003ac, Op_A | Op_B }, - { "nand", 0xfc0007fe, 0x7c0003b8, Op_S | Op_A | Op_B | Op_Rc }, - { "divd", 0xfc0007fe, 0x7c0003d2, Op_S | Op_A | Op_B | Op_OE | Op_Rc }, - { "divw", 0xfc0007fe, 0x7c0003d6, Op_S | Op_A | Op_B | Op_OE | Op_Rc }, - { "slbia", 0xfc0007fe, 0x7c0003d4, Op_S | Op_A | Op_B | Op_OE | Op_Rc }, - { "slbia", 0xfc0007fe, 0x7c0003e4, Op_S | Op_A | Op_B | Op_OE | Op_Rc }, - { "mcrxr", 0xfc0007fe, 0x7c000400, Op_crfD }, - { "lswx", 0xfc0007fe, 0x7c00042a, Op_D | Op_A | Op_B }, - { "lwbrx", 0xfc0007fe, 0x7c00042c, Op_D | Op_A | Op_B }, - { "lfsx", 0xfc0007fe, 0x7c00042e, Op_D | Op_A | Op_B }, - { "srw", 0xfc0007fe, 0x7c000430, Op_S | Op_A | Op_B | Op_Rc }, - { "srd", 0xfc0007fe, 0x7c000436, Op_S | Op_A | Op_B | Op_Rc }, - { "tlbsync", 0xfc0007fe, 0x7c00046c, 0 }, - { "lfsux", 0xfc0007fe, 0x7c00046e, Op_D | Op_A | Op_B }, - { "mfsr", 0xfc0007fe, 0x7c0004a6, Op_D | Op_SR }, - { "iswi", 0xfc0007fe, 0x7c0004a6, Op_D | Op_A | Op_NB }, - { "sync", 0xfc0007fe, 0x7c0004ac, 0 }, - { "lfdx", 0xfc0007fe, 0x7c0004ac, Op_D | Op_A | Op_B }, - { "lfdux", 0xfc0007fe, 0x7c0004ec, Op_D | Op_A | Op_B }, - { "mfsrin", 0xfc0007fe, 0x7c000526, Op_D | Op_B }, - { "stswx", 0xfc0007fe, 0x7c00052a, Op_S | Op_A | Op_B }, - { "stwbrx", 0xfc0007fe, 0x7c00052c, Op_S | Op_A | Op_B }, - { "stfsx", 0xfc0007fe, 0x7c00052e, Op_S | Op_A | Op_B }, - { "stfsux", 0xfc0007fe, 0x7c00056e, Op_S | Op_A | Op_B }, - { "stswi", 0xfc0007fe, 0x7c0005aa, Op_S | Op_A | Op_NB }, - { "stfdx", 0xfc0007fe, 0x7c0005ae, Op_S | Op_A | Op_B }, - { "stfdx", 0xfc0007fe, 0x7c0005ae, Op_S | Op_A | Op_B }, - { "stfdux", 0xfc0007fe, 0x7c0005ee, Op_S | Op_A | Op_B }, - { "lhbrx", 0xfc0007fe, 0x7c00062c, Op_D | Op_A | Op_B }, - { "sraw", 0xfc0007fe, 0x7c000630, Op_S | Op_A | Op_B }, - { "srad", 0xfc0007fe, 0x7c000634, Op_S | Op_A | Op_B | Op_Rc}, - { "srawi", 0xfc0007fe, 0x7c000670, Op_S | Op_A | Op_B | Op_Rc}, -/* ? */ { "sradix", 0xfc0007fc, 0x7c000674, Op_S | Op_A | Op_sh }, - { "eieio", 0xfc0007fe, 0x7c0006ac, 0 }, - { "sthbrx", 0xfc0007fe, 0x7c00072c, Op_S | Op_A | Op_B }, - { "extsh", 0xfc0007fe, 0x7c000734, Op_S | Op_A | Op_B | Op_Rc }, - { "extsb", 0xfc0007fe, 0x7c000774, Op_S | Op_A | Op_Rc }, - { "icbi", 0xfc0007fe, 0x7c0007ac, Op_A | Op_B }, - - { "stfiwx", 0xfc0007fe, 0x7c0007ae, Op_S | Op_A | Op_B }, - { "extsw", 0xfc0007fe, 0x7c0007b4, Op_S | Op_A | Op_Rc }, - { "dcbz", 0xfc0007fe, 0x7c0007ec, Op_A | Op_B }, - { "", 0x0, 0x0, 0 } -}; - -/* 3a * 4 = e8 */ -const struct opcode opcodes_3a[] = { - { "ld", 0xfc000003, 0xe8000000, Op_D | Op_A | Op_ds }, - { "ldu", 0xfc000003, 0xe8000001, Op_D | Op_A | Op_ds }, - { "lwa", 0xfc000003, 0xe8000002, Op_D | Op_A | Op_ds }, - { "", 0x0, 0x0, 0 } -}; -/* 3b * 4 = ec */ -const struct opcode opcodes_3b[] = { - { "fdisvs", 0xfc00003e, 0xec000024, Op_D | Op_A | Op_B | Op_Rc }, - { "fsubs", 0xfc00003e, 0xec000028, Op_D | Op_A | Op_B | Op_Rc }, - - { "fadds", 0xfc00003e, 0xec00002a, Op_D | Op_A | Op_B | Op_Rc }, - { "fsqrts", 0xfc00003e, 0xec00002c, Op_D | Op_B | Op_Rc }, - { "fres", 0xfc00003e, 0xec000030, Op_D | Op_B | Op_Rc }, - { "fmuls", 0xfc00003e, 0xec000032, Op_D | Op_A | Op_C | Op_Rc }, - { "fmsubs", 0xfc00003e, 0xec000038, Op_D | Op_A | Op_B | Op_C | Op_Rc }, - { "fmadds", 0xfc00003e, 0xec00003a, Op_D | Op_A | Op_B | Op_C | Op_Rc }, - { "fnmsubs", 0xfc00003e, 0xec00003c, Op_D | Op_A | Op_B | Op_C | Op_Rc }, - { "fnmadds", 0xfc00003e, 0xec00003e, Op_D | Op_A | Op_B | Op_C | Op_Rc }, - { "", 0x0, 0x0, 0 } -}; -/* 3e * 4 = f8 */ -const struct opcode opcodes_3e[] = { - { "std", 0xfc000003, 0xf8000000, Op_S | Op_A | Op_ds }, - { "stdu", 0xfc000003, 0xf8000001, Op_S | Op_A | Op_ds }, - { "", 0x0, 0x0, 0 } -}; - -/* 3f * 4 = fc */ -const struct opcode opcodes_3f[] = { - { "fcmpu", 0xfc0007fe, 0xfc000000, Op_crfD | Op_A | Op_B }, - { "frsp", 0xfc0007fe, 0xfc000018, Op_D | Op_B | Op_Rc }, -/* ? */ { "fctiw", 0xfc0007fe, 0xfc00001c, Op_D | Op_B | Op_Rc }, - { "fctiwz", 0xfc0007fe, 0xfc00001e, Op_D | Op_B | Op_Rc }, - - { "fdiv", 0xfc00003e, 0xfc000024, Op_D | Op_A | Op_B | Op_Rc }, - { "fsub", 0xfc00003e, 0xfc000028, Op_D | Op_A | Op_B | Op_Rc }, - { "fadd", 0xfc00003e, 0xfc00002a, Op_D | Op_A | Op_B | Op_Rc }, - { "fsqrt", 0xfc00003e, 0xfc00002c, Op_D | Op_B | Op_Rc }, - { "fsel", 0xfc00003e, 0xfc00002e, Op_D | Op_A | Op_B | Op_C | Op_Rc }, - { "fmul", 0xfc00003e, 0xfc000032, Op_D | Op_A | Op_C | Op_Rc }, - { "frsqrte", 0xfc00003e, 0xfc000034, Op_D | Op_B | Op_Rc }, - { "fmsub", 0xfc00003e, 0xfc000038, Op_D | Op_A | Op_B | Op_C | Op_Rc }, - { "fmadd", 0xfc00003e, 0xfc00003a, Op_D | Op_A | Op_B | Op_C | Op_Rc }, - { "fnmsub", 0xfc00003e, 0xfc00003c, Op_D | Op_A | Op_B | Op_C | Op_Rc }, - { "fnmadd", 0xfc00003e, 0xfc00003e, Op_D | Op_A | Op_B | Op_C | Op_Rc }, - - { "fcmpo", 0xfc0007fe, 0xfc000040, Op_crfD | Op_A | Op_B }, - { "mtfsb1", 0xfc0007fe, 0xfc00004c, Op_crfD | Op_Rc }, - { "fneg", 0xfc0007fe, 0xfc000050, Op_D | Op_B | Op_Rc }, - { "mcrfs", 0xfc0007fe, 0xfc000080, Op_D | Op_B | Op_Rc }, - { "mtfsb0", 0xfc0007fe, 0xfc00008c, Op_crfD | Op_Rc }, - { "fmr", 0xfc0007fe, 0xfc000090, Op_D | Op_B | Op_Rc }, - { "mtfsfi", 0xfc0007fe, 0xfc00010c, Op_crfD | Op_IMM | Op_Rc }, - - { "fnabs", 0xfc0007fe, 0xfc000110, Op_D | Op_B | Op_Rc }, - { "fabs", 0xfc0007fe, 0xfc000210, Op_D | Op_B | Op_Rc }, - { "mffs", 0xfc0007fe, 0xfc00048e, Op_D | Op_B | Op_Rc }, - { "mtfsf", 0xfc0007fe, 0xfc00058e, Op_FM | Op_B | Op_Rc }, - { "fctid", 0xfc0007fe, 0xfc00065c, Op_D | Op_B | Op_Rc }, - { "fctidz", 0xfc0007fe, 0xfc00065e, Op_D | Op_B | Op_Rc }, - { "fcfid", 0xfc0007fe, 0xfc00069c, Op_D | Op_B | Op_Rc }, - { "", 0x0, 0x0, 0 } -}; - -/* -typedef void (op_class_func) (instr_t); -*/ -void -op_ill(u_int32_t addr, instr_t instr) -{ - db_printf("illegal instruction %x\n", instr); -} - -u_int32_t -extract_field(u_int32_t value, u_int32_t base, u_int32_t width) -{ - u_int32_t mask = (1 << width) - 1; - return ((value >> base) & mask); -} - -const struct opcode * search_op(const struct opcode *); - -void -disasm_fields(u_int32_t addr, const struct opcode *popcode, instr_t instr, - char *disasm_str) -{ - char * pstr; - enum function_mask func; - - pstr = disasm_str; - - func = popcode->func; - if (func & Op_OE) { - u_int OE; - /* also for Op_S (they are the same) */ - OE = extract_field(instr, 31 - 21, 1); - if (OE) { - pstr += sprintf (pstr, "o"); - } - func &= ~Op_D; - } - switch (func & Op_LKM) { - case Op_Rc: - if (instr & 0x1) { - pstr += sprintf (pstr,". "); - } - break; - case Op_AA: - if (instr & 0x2) { - pstr += sprintf (pstr,"a"); - } - case Op_LK: - if (instr & 0x1) { - pstr += sprintf (pstr,"l "); - } - break; - default: - func &= ~Op_LKM; - } - pstr += sprintf (pstr, " "); - if (func & Op_D) { - u_int D; - /* also for Op_S (they are the same) */ - D = extract_field(instr, 31 - 10, 5); - pstr += sprintf (pstr, "r%d, ", D); - func &= ~Op_D; - } - if (func & Op_crbD) { - u_int crbD; - crbD = extract_field(instr, 31 - 10, 5); - pstr += sprintf (pstr, "crb%d, ", crbD); - func &= ~Op_crbD; - } - if (func & Op_crfD) { - u_int crfD; - crfD = extract_field(instr, 31 - 8, 3); - pstr += sprintf (pstr, "crf%d, ", crfD); - func &= ~Op_crfD; - } - if (func & Op_L) { - u_int L; - L = extract_field(instr, 31 - 10, 1); - if (L) { - pstr += sprintf (pstr, "L, "); - } - func &= ~Op_L; - } - if (func & Op_FM) { - u_int FM; - FM = extract_field(instr, 31 - 10, 8); - pstr += sprintf (pstr, "%d, ", FM); - func &= ~Op_FM; - } - if (func & Op_TO) { - u_int TO; - TO = extract_field(instr, 31 - 10, 1); - pstr += sprintf (pstr, "%d, ", TO); - func &= ~Op_TO; - } - if (func & Op_crfS) { - u_int crfS; - crfS = extract_field(instr, 31 - 13, 3); - pstr += sprintf (pstr, "%d, ", crfS); - func &= ~Op_crfS; - } - if (func & Op_BO) { - u_int BO; - BO = extract_field(instr, 31 - 10, 5); - pstr += sprintf (pstr ,"%d, ", BO); - func &= ~Op_BO; - } - if (func & Op_A) { - u_int A; - A = extract_field(instr, 31 - 15, 5); - pstr += sprintf (pstr, "r%d, ", A); - func &= ~Op_A; - } - if (func & Op_B) { - u_int B; - B = extract_field(instr, 31 - 20, 5); - pstr += sprintf (pstr, "r%d, ", B); - func &= ~Op_B; - } - if (func & Op_C) { - u_int C; - C = extract_field(instr, 31 - 25, 5); - pstr += sprintf (pstr, "r%d, ", C); - func &= ~Op_C; - } - if (func & Op_BI) { - u_int BI; - BI = extract_field(instr, 31 - 10, 5); - pstr += sprintf (pstr, "%d, ", BI); - func &= ~Op_BI; - } - if (func & Op_crbA) { - u_int crbA; - crbA = extract_field(instr, 31 - 15, 5); - pstr += sprintf (pstr, "%d, ", crbA); - func &= ~Op_crbA; - } - if (func & Op_crbB) { - u_int crbB; - crbB = extract_field(instr, 31 - 20, 5); - pstr += sprintf (pstr, "%d, ", crbB); - func &= ~Op_crbB; - } - if (func & Op_CRM) { - u_int CRM; - CRM = extract_field(instr, 31 - 19, 8); - pstr += sprintf (pstr, "0x%x, ", CRM); - func &= ~Op_CRM; - } - if (func & Op_LI) { - u_int LI; - LI = extract_field(instr, 31 - 29, 24); - LI = LI << 4; - if (LI & 0x04000000) { - LI &= ~0x07ffffff; - } - pstr += sprintf (pstr, "0x%x", addr + LI); - func &= ~Op_LI; - } - switch (func & Op_SIMM) { - u_int IMM; - case Op_SIMM: /* same as Op_d */ - IMM = extract_field(instr, 31 - 31, 16); - if (IMM & 0x8000) { - pstr += sprintf (pstr, "-"); - } - /* no break */ - func &= ~Op_SIMM; - case Op_UIMM: - IMM = extract_field(instr, 31 - 31, 16); - pstr += sprintf (pstr, "0x%x, ", IMM); - func &= ~Op_UIMM; - break; - default: - } - if (func & Op_BD ) { - u_int BD; - BD = extract_field(instr, 31 - 29, 14); - pstr += sprintf (pstr, "0x%x, ", BD); - func &= ~Op_BD; - } - if (func & Op_ds ) { - u_int ds; - ds = extract_field(instr, 31 - 29, 14) << 2; - pstr += sprintf (pstr, "0x%x, ", ds); - func &= ~Op_ds; - } - if (func & Op_spr ) { - u_int spr; - u_int sprl; - u_int sprh; - char *reg; - sprl = extract_field(instr, 31 - 15, 5); - sprh = extract_field(instr, 31 - 20, 5); - spr = sprh << 5 | sprl; - - /* this table could be written better */ - switch (spr) { - case 1: - reg = "xer"; - break; - case 8: - reg = "lr"; - break; - case 9: - reg = "ctr"; - break; - case 18: - reg = "dsisr"; - break; - case 19: - reg = "dar"; - break; - case 22: - reg = "dec"; - break; - case 25: - reg = "sdr1"; - break; - case 26: - reg = "srr0"; - break; - case 27: - reg = "srr1"; - break; - case 272: - reg = "SPRG0"; - break; - case 273: - reg = "SPRG1"; - break; - case 274: - reg = "SPRG3"; - break; - case 275: - reg = "SPRG3"; - break; - case 280: - reg = "asr"; - break; - case 282: - reg = "aer"; - break; - case 287: - reg = "pvr"; - break; - case 528: - reg = "ibat0u"; - break; - case 529: - reg = "ibat0l"; - break; - case 530: - reg = "ibat1u"; - break; - case 531: - reg = "ibat1l"; - break; - case 532: - reg = "ibat2u"; - break; - case 533: - reg = "ibat2l"; - break; - case 534: - reg = "ibat3u"; - break; - case 535: - reg = "ibat3l"; - break; - case 536: - reg = "dbat0u"; - break; - case 537: - reg = "dbat0l"; - break; - case 538: - reg = "dbat1u"; - break; - case 539: - reg = "dbat1l"; - break; - case 540: - reg = "dbat2u"; - break; - case 541: - reg = "dbat2l"; - break; - case 542: - reg = "dbat3u"; - break; - case 543: - reg = "dbat3l"; - break; - case 1013: - reg = "dabr"; - break; - default: - reg = 0; - } - if (reg == 0) { - pstr += sprintf (pstr, ", [unknown spr (%d)]", spr); - } else { - pstr += sprintf (pstr, ", %s", reg); - } - func &= ~Op_spr; - } - - if (func & Op_me) { - u_int me, mel, meh; - mel = extract_field(instr, 31 - 25, 4); - meh = extract_field(instr, 31 - 26, 1); - me = meh << 4 | mel; - pstr += sprintf (pstr, ", 0x%x", me); - func &= ~Op_me; - } - if ((func & Op_MB ) && (func & Op_sh_mb_sh)) { - u_int MB; - u_int ME; - MB = extract_field(instr, 31 - 20, 5); - pstr += sprintf (pstr, ", %d", MB); - ME = extract_field(instr, 31 - 25, 5); - pstr += sprintf (pstr, ", %d", ME); - } - if ((func & Op_SH ) && (func & Op_sh_mb_sh)) { - u_int SH; - SH = extract_field(instr, 31 - 20, 5); - pstr += sprintf (pstr, ", %d", SH); - } - if ((func & Op_sh ) && ! (func & Op_sh_mb_sh)) { - u_int sh, shl, shh; - shl = extract_field(instr, 31 - 19, 4); - shh = extract_field(instr, 31 - 20, 1); - sh = shh << 4 | shl; - pstr += sprintf (pstr, ", %d", sh); - } - if ((func & Op_mb ) && ! (func & Op_sh_mb_sh)) { - u_int mb, mbl, mbh; - mbl = extract_field(instr, 31 - 25, 4); - mbh = extract_field(instr, 31 - 26, 1); - mb = mbh << 4 | mbl; - pstr += sprintf (pstr, ", %d", mb); - } - if ((func & Op_me ) && ! (func & Op_sh_mb_sh)) { - u_int me, mel, meh; - mel = extract_field(instr, 31 - 25, 4); - meh = extract_field(instr, 31 - 26, 1); - me = meh << 4 | mel; - pstr += sprintf (pstr, ", %d", me); - } - if (func & Op_tbr ) { - u_int tbr; - u_int tbrl; - u_int tbrh; - char *reg; - tbrl = extract_field(instr, 31 - 15, 5); - tbrh = extract_field(instr, 31 - 20, 5); - tbr = tbrh << 5 | tbrl; - switch (tbr) { - case 268: - reg = "tbl"; - break; - case 269: - reg = "tbu"; - break; - default: - reg = 0; - } - if (reg == 0) { - pstr += sprintf (pstr, ", [unknown tbr %d ]", tbr); - } else { - pstr += sprintf (pstr, ", %s", reg); - } - func &= ~Op_tbr; - } - if (func & Op_SR) { - u_int SR; - SR = extract_field(instr, 31 - 15, 3); - pstr += sprintf (pstr, ", sr%d", SR); - func &= ~Op_SR; - } - if (func & Op_NB) { - u_int NB; - NB = extract_field(instr, 31 - 20, 5); - if (NB == 0 ) { - NB=32; - } - pstr += sprintf (pstr, ", %d", NB); - func &= ~Op_SR; - } - if (func & Op_IMM) { - u_int IMM; - IMM = extract_field(instr, 31 - 19, 4); - pstr += sprintf (pstr, ", %d", IMM); - func &= ~Op_SR; - } -} - -void -op_base(u_int32_t addr, instr_t instr) -{ - dis_ppc (addr, opcodes,instr); -} - -void -op_cl_x13(u_int32_t addr, instr_t instr) -{ - dis_ppc (addr, opcodes_13,instr); -} - -void -op_cl_x1e(u_int32_t addr, instr_t instr) -{ - dis_ppc (addr, opcodes_1e,instr); -} - -void -op_cl_x1f(u_int32_t addr, instr_t instr) -{ - dis_ppc (addr, opcodes_1f,instr); -} - -void -op_cl_x3a(u_int32_t addr, instr_t instr) -{ - dis_ppc (addr, opcodes_3a,instr); -} - -void -op_cl_x3b(u_int32_t addr, instr_t instr) -{ - dis_ppc (addr, opcodes_3b,instr); -} - -void -op_cl_x3e(u_int32_t addr, instr_t instr) -{ - dis_ppc (addr, opcodes_3e,instr); -} - -void -op_cl_x3f(u_int32_t addr, instr_t instr) -{ - dis_ppc (addr, opcodes_3f,instr); -} - -void -dis_ppc(u_int32_t addr, const struct opcode *opcodeset, instr_t instr) -{ - const struct opcode *op; - int found = 0; - int i; - char disasm_str[30]; - - for ( i=0, op = &opcodeset[0]; - found == 0 && op->mask != 0; - i++, op= &opcodeset[i] ) - { - if ((instr & op->mask) == op->code) { - found = 1; - disasm_fields(addr, op, instr, disasm_str); - db_printf("%s%s",op->name, disasm_str); - return; - } - } - op_ill(addr, instr); -} - -db_addr_t -db_disasm(db_addr_t loc, boolean_t extended) -{ - int class; - instr_t opcode; - opcode = *(instr_t *)(loc); - class = opcode >> 26; - (opcodes_base[class])(loc, opcode); - - return loc + 4; -} - - |