| /* |
| * sh2d |
| * Bart Trzynadlowski, July 24, 2000 |
| * Public domain |
| * |
| * Some changes by Björn Stenberg <bjorn@haxx.se> |
| * $Id$ |
| */ |
| |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #define VERSION "0.2" |
| |
| #define ZERO_F 0 /* 0 format */ |
| #define N_F 1 /* n format */ |
| #define M_F 2 /* m format */ |
| #define NM_F 3 /* nm format */ |
| #define MD_F 4 /* md format */ |
| #define ND4_F 5 /* nd4 format */ |
| #define NMD_F 6 /* nmd format */ |
| #define D_F 7 /* d format */ |
| #define D12_F 8 /* d12 format */ |
| #define ND8_F 9 /* nd8 format */ |
| #define I_F 10 /* i format */ |
| #define NI_F 11 /* ni format */ |
| |
| typedef struct |
| { |
| int format; |
| unsigned char *mnem; |
| unsigned short mask; /* mask used to obtain opcode bits */ |
| unsigned short bits; /* opcode bits */ |
| int dat; /* specific data for situation */ |
| int sh2; /* SH-2 specific */ |
| } i_descr; |
| |
| /* register name lookup added by bjorn@haxx.se 2001-12-09 */ |
| char* regname[] = |
| { |
| /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| "","","","","","","","","","","","","","","","", /* 0 */ |
| "","","","","","","","","","","","","","","","", /* 10 */ |
| "","","","","","","","","","","","","","","","", /* 20 */ |
| "","","","","","","","","","","","","","","","", /* 30 */ |
| "","","","","","","","","","","","","","","","", /* 40 */ |
| "","","","","","","","","","","","","","","","", /* 50 */ |
| "","","","","","","","","","","","","","","","", /* 60 */ |
| "","","","","","","","","","","","","","","","", /* 70 */ |
| "","","","","","","","","","","","","","","","", /* 80 */ |
| "","","","","","","","","","","","","","","","", /* 90 */ |
| "","","","","","","","","","","","","","","","", /* a0 */ |
| "","","","","","","","","","","","","","","","", /* b0 */ |
| |
| "SMR0","BRR0","SCR0","TDR0","SSR0","RDR0","","", /* c0 */ |
| "SMR1","BRR1","SCR1","TDR1","SSR1","RDR1","","", /* c8 */ |
| "","","","","","","","","","","","","","","","", /* d0 */ |
| "ADDRAH","ADDRAL","ADDRBH","ADDRBL", /* e0 */ |
| "ADDRCH","ADDRCL","ADDRDH","ADDRDL", /* e4 */ |
| "ADCSR","ADCR","","","","","","", /* e8 */ |
| "","","","","","","","","","","","","","","","", /* f0 */ |
| "TSTR","TSNC","TMDR","TFCR","TCR0","TIOR0","TIER0","TSR0", /* 100 */ |
| "TCNT0","!","GRA0","!","GRB0","!","TCR1","TIORL", /* 108 */ |
| "TIERI","TSR1","TCNT1","","GRA1","!","GRB1","!", /* 110 */ |
| "TCR2","TIOR2","TIER2","TSR2","TCNT2","!","GRA2","!", /* 118 */ |
| "GRB2","!","TCR3","TIOR3","TIER3","TSR3","TCNT3","!", /* 120 */ |
| "GRA3","!","GRB3","!","BRA3","!","BRB3","!", /* 128 */ |
| "","TOCR","TCR4","TIOR4","TIER4","TSR4","TCNT4","!", /* 130 */ |
| "GRA4","!","GRB4","!","BRA4","!","BRB4","!", /* 138 */ |
| "SAR0","!","!","!","DAR0","!","!","!", /* 140 */ |
| "DMAOR","!","TCR0","!","","","CHCR0","!", /* 148 */ |
| "SAR1","!","!","!","DAR1","!","!","!", /* 150 */ |
| "","","TCR1","!","","","CHCR1","!", /* 158 */ |
| "SAR2","!","!","!","DAR2","!","!","!", /* 160 */ |
| "","","TCR2","!","","","CHCR2","!", /* 168 */ |
| "SAR3","!","!","!","DAR3","!","!","!", /* 170 */ |
| "","","TCR3","!","","","CHCR3","!", /* 178 */ |
| "","","","","IPRA","!","IPRB","!", /* 180 */ |
| "IPRC","!","IPRD","!","IPRE","!","ICR","!", /* 188 */ |
| "BARH","!","BARL","!","BAMRH","!","BAMRL","!", /* 190 */ |
| "BBR","!","","","","","","", /* 198 */ |
| "BCR","!","WCR1","!","WCR2","!","WCR3","!", /* 1a0 */ |
| "DCR","!","PCR","!","RCR","!","RTCSR","!", /* 1a8 */ |
| "RTCNT","!","RTCOR","!","","","","", /* 1b0 */ |
| "TCSR","TCNT","","RSTCSR","SBYCR","","","", /* 1b8 */ |
| "PADR","!","PBDR","!","PAIOR","!","PBIOR","!", /* 1c0 */ |
| "PACR1","!","PACR2","!","PBCR1","!","PBCR2","!", /* 1c8 */ |
| "PCDR","!","","","","","","","","","","","","","", /* 1d0 */ |
| "","","","","","","","","","","","","","","CASCR","!", /* 1e0 */ |
| "TPMR","TPCR","NDERB","NDERA","NDRB","NDRA","NDRB","NDRA", /* 1f0 */ |
| "","","","","","","","" |
| }; |
| |
| i_descr tab[] = |
| { |
| { ZERO_F, "clrt", 0xffff, 0x8, 0, 0 }, |
| { ZERO_F, "clrmac", 0xffff, 0x28, 0, 0 }, |
| { ZERO_F, "div0u", 0xffff, 0x19, 0, 0 }, |
| { ZERO_F, "nop", 0xffff, 0x9, 0, 0 }, |
| { ZERO_F, "rte", 0xffff, 0x2b, 0, 0 }, |
| { ZERO_F, "rts", 0xffff, 0xb, 0, 0 }, |
| { ZERO_F, "sett", 0xffff, 0x18, 0, 0 }, |
| { ZERO_F, "sleep", 0xffff, 0x1b, 0, 0 }, |
| { N_F, "cmp/pl\tr%d", 0xf0ff, 0x4015, 0, 0 }, |
| { N_F, "cmp/pz\tr%d", 0xf0ff, 0x4011, 0, 0 }, |
| { N_F, "dt\tr%d", 0xf0ff, 0x4010, 0, 1 }, |
| { N_F, "movt\tr%d", 0xf0ff, 0x0029, 0, 0 }, |
| { N_F, "rotl\tr%d", 0xf0ff, 0x4004, 0, 0 }, |
| { N_F, "rotr\tr%d", 0xf0ff, 0x4005, 0, 0 }, |
| { N_F, "rotcl\tr%d", 0xf0ff, 0x4024, 0, 0 }, |
| { N_F, "rotcr\tr%d", 0xf0ff, 0x4025, 0, 0 }, |
| { N_F, "shal\tr%d", 0xf0ff, 0x4020, 0, 0 }, |
| { N_F, "shar\tr%d", 0xf0ff, 0x4021, 0, 0 }, |
| { N_F, "shll\tr%d", 0xf0ff, 0x4000, 0, 0 }, |
| { N_F, "shlr\tr%d", 0xf0ff, 0x4001, 0, 0 }, |
| { N_F, "shll2\tr%d", 0xf0ff, 0x4008, 0, 0 }, |
| { N_F, "shlr2\tr%d", 0xf0ff, 0x4009, 0, 0 }, |
| { N_F, "shll8\tr%d", 0xf0ff, 0x4018, 0, 0 }, |
| { N_F, "shlr8\tr%d", 0xf0ff, 0x4019, 0, 0 }, |
| { N_F, "shll16\tr%d", 0xf0ff, 0x4028, 0, 0 }, |
| { N_F, "shlr16\tr%d", 0xf0ff, 0x4029, 0, 0 }, |
| { N_F, "stc\tsr,r%d", 0xf0ff, 0x0002, 0, 0 }, |
| { N_F, "stc\tgbr,r%d", 0xf0ff, 0x0012, 0, 0 }, |
| { N_F, "stc\tvbr,r%d", 0xf0ff, 0x0022, 0, 0 }, |
| { N_F, "sts\tmach,r%d", 0xf0ff, 0x000a, 0, 0 }, |
| { N_F, "sts\tmacl,r%d", 0xf0ff, 0x001a, 0, 0 }, |
| { N_F, "sts\tpr,r%d", 0xf0ff, 0x002a, 0, 0 }, |
| { N_F, "tas.b\t@r%d", 0xf0ff, 0x401b, 0, 0 }, |
| { N_F, "stc.l\tsr,@-r%d", 0xf0ff, 0x4003, 0, 0 }, |
| { N_F, "stc.l\tgbr,@-r%d", 0xf0ff, 0x4013, 0, 0 }, |
| { N_F, "stc.l\tvbr,@-r%d", 0xf0ff, 0x4023, 0, 0 }, |
| { N_F, "sts.l\tmach,@-r%d", 0xf0ff, 0x4002, 0, 0 }, |
| { N_F, "sts.l\tmacl,@-r%d", 0xf0ff, 0x4012, 0, 0 }, |
| { N_F, "sts.l\tpr,@-r%d", 0xf0ff, 0x4022, 0, 0 }, |
| { M_F, "ldc\tr%d,sr", 0xf0ff, 0x400e, 0, 0 }, |
| { M_F, "ldc\tr%d,gbr", 0xf0ff, 0x401e, 0, 0 }, |
| { M_F, "ldc\tr%d,vbr", 0xf0ff, 0x402e, 0, 0 }, |
| { M_F, "lds\tr%d,mach", 0xf0ff, 0x400a, 0, 0 }, |
| { M_F, "lds\tr%d,macl", 0xf0ff, 0x401a, 0, 0 }, |
| { M_F, "lds\tr%d,pr", 0xf0ff, 0x402a, 0, 0 }, |
| { M_F, "jmp\t@r%d", 0xf0ff, 0x402b, 0, 0 }, |
| { M_F, "jsr\t@r%d", 0xf0ff, 0x400b, 0, 0 }, |
| { M_F, "ldc.l\t@r%d+,sr", 0xf0ff, 0x4007, 0, 0 }, |
| { M_F, "ldc.l\t@r%d+,gbr", 0xf0ff, 0x4017, 0, 0 }, |
| { M_F, "ldc.l\t@r%d+,vbr", 0xf0ff, 0x4027, 0, 0 }, |
| { M_F, "lds.l\t@r%d+,mach", 0xf0ff, 0x4006, 0, 0 }, |
| { M_F, "lds.l\t@r%d+,macl", 0xf0ff, 0x4016, 0, 0 }, |
| { M_F, "lds.l\t@r%d+,pr", 0xf0ff, 0x4026, 0, 0 }, |
| { M_F, "braf\tr%d", 0xf0ff, 0x0023, 0, 1 }, |
| { M_F, "bsrf\tr%d", 0xf0ff, 0x0003, 0, 1 }, |
| { NM_F, "add\tr%d,r%d", 0xf00f, 0x300c, 0, 0 }, |
| { NM_F, "addc\tr%d,r%d", 0xf00f, 0x300e, 0, 0 }, |
| { NM_F, "addv\tr%d,r%d", 0xf00f, 0x300f, 0, 0 }, |
| { NM_F, "and\tr%d,r%d", 0xf00f, 0x2009, 0, 0 }, |
| { NM_F, "cmp/eq\tr%d,r%d", 0xf00f, 0x3000, 0, 0 }, |
| { NM_F, "cmp/hs\tr%d,r%d", 0xf00f, 0x3002, 0, 0 }, |
| { NM_F, "cmp/ge\tr%d,r%d", 0xf00f, 0x3003, 0, 0 }, |
| { NM_F, "cmp/hi\tr%d,r%d", 0xf00f, 0x3006, 0, 0 }, |
| { NM_F, "cmp/gt\tr%d,r%d", 0xf00f, 0x3007, 0, 0 }, |
| { NM_F, "cmp/str\tr%d,r%d", 0xf00f, 0x200c, 0, 0 }, |
| { NM_F, "div1\tr%d,r%d", 0xf00f, 0x3004, 0, 0 }, |
| { NM_F, "div0s\tr%d,r%d", 0xf00f, 0x2007, 0, 0 }, |
| { NM_F, "dmuls.l\tr%d,r%d", 0xf00f, 0x300d, 0, 1 }, |
| { NM_F, "dmulu.l\tr%d,r%d", 0xf00f, 0x3005, 0, 1 }, |
| { NM_F, "exts.b\tr%d,r%d", 0xf00f, 0x600e, 0, 0 }, |
| { NM_F, "exts.w\tr%d,r%d", 0xf00f, 0x600f, 0, 0 }, |
| { NM_F, "extu.b\tr%d,r%d", 0xf00f, 0x600c, 0, 0 }, |
| { NM_F, "extu.w\tr%d,r%d", 0xf00f, 0x600d, 0, 0 }, |
| { NM_F, "mov\tr%d,r%d", 0xf00f, 0x6003, 0, 0 }, |
| { NM_F, "mul.l\tr%d,r%d", 0xf00f, 0x0007, 0, 1 }, |
| { NM_F, "muls.w\tr%d,r%d", 0xf00f, 0x200f, 0, 0 }, |
| { NM_F, "mulu.w\tr%d,r%d", 0xf00f, 0x200e, 0, 0 }, |
| { NM_F, "neg\tr%d,r%d", 0xf00f, 0x600b, 0, 0 }, |
| { NM_F, "negc\tr%d,r%d", 0xf00f, 0x600a, 0, 0 }, |
| { NM_F, "not\tr%d,r%d", 0xf00f, 0x6007, 0, 0 }, |
| { NM_F, "or\tr%d,r%d", 0xf00f, 0x200b, 0, 0 }, |
| { NM_F, "sub\tr%d,r%d", 0xf00f, 0x3008, 0, 0 }, |
| { NM_F, "subc\tr%d,r%d", 0xf00f, 0x300a, 0, 0 }, |
| { NM_F, "subv\tr%d,r%d", 0xf00f, 0x300b, 0, 0 }, |
| { NM_F, "swap.b\tr%d,r%d", 0xf00f, 0x6008, 0, 0 }, |
| { NM_F, "swap.w\tr%d,r%d", 0xf00f, 0x6009, 0, 0 }, |
| { NM_F, "tst\tr%d,r%d", 0xf00f, 0x2008, 0, 0 }, |
| { NM_F, "xor\tr%d,r%d", 0xf00f, 0x200a, 0, 0 }, |
| { NM_F, "xtrct\tr%d,r%d", 0xf00f, 0x200d, 0, 0 }, |
| { NM_F, "mov.b\tr%d,@r%d", 0xf00f, 0x2000, 0, 0 }, |
| { NM_F, "mov.w\tr%d,@r%d", 0xf00f, 0x2001, 0, 0 }, |
| { NM_F, "mov.l\tr%d,@r%d", 0xf00f, 0x2002, 0, 0 }, |
| { NM_F, "mov.b\t@r%d,r%d", 0xf00f, 0x6000, 0, 0 }, |
| { NM_F, "mov.w\t@r%d,r%d", 0xf00f, 0x6001, 0, 0 }, |
| { NM_F, "mov.l\t@r%d,r%d", 0xf00f, 0x6002, 0, 0 }, |
| { NM_F, "mac.l\t@r%d+,@r%d+", 0xf00f, 0x000f, 0, 1 }, |
| { NM_F, "mac.w\t@r%d+,@r%d+", 0xf00f, 0x400f, 0, 0 }, |
| { NM_F, "mov.b\t@r%d+,r%d", 0xf00f, 0x6004, 0, 0 }, |
| { NM_F, "mov.w\t@r%d+,r%d", 0xf00f, 0x6005, 0, 0 }, |
| { NM_F, "mov.l\t@r%d+,r%d", 0xf00f, 0x6006, 0, 0 }, |
| { NM_F, "mov.b\tr%d,@-r%d", 0xf00f, 0x2004, 0, 0 }, |
| { NM_F, "mov.w\tr%d,@-r%d", 0xf00f, 0x2005, 0, 0 }, |
| { NM_F, "mov.l\tr%d,@-r%d", 0xf00f, 0x2006, 0, 0 }, |
| { NM_F, "mov.b\tr%d,@(r0,r%d)", 0xf00f, 0x0004, 0, 0 }, |
| { NM_F, "mov.w\tr%d,@(r0,r%d)", 0xf00f, 0x0005, 0, 0 }, |
| { NM_F, "mov.l\tr%d,@(r0,r%d)", 0xf00f, 0x0006, 0, 0 }, |
| { NM_F, "mov.b\t@(r0,r%d),r%d", 0xf00f, 0x000c, 0, 0 }, |
| { NM_F, "mov.w\t@(r0,r%d),r%d", 0xf00f, 0x000d, 0, 0 }, |
| { NM_F, "mov.l\t@(r0,r%d),r%d", 0xf00f, 0x000e, 0, 0 }, |
| { MD_F, "mov.b\t@(0x%03X,r%d), r0", 0xff00, 0x8400, 0, 0 }, |
| { MD_F, "mov.w\t@(0x%03X,r%d), r0", 0xff00, 0x8500, 0, 0 }, |
| { ND4_F, "mov.b\tr0,@(0x%03X,r%d)", 0xff00, 0x8000, 0, 0 }, |
| { ND4_F, "mov.w\tr0,@(0x%03X,r%d)", 0xff00, 0x8100, 0, 0 }, |
| { NMD_F, "mov.l\tr%d,@(0x%03X,r%d)", 0xf000, 0x1000, 0,0 }, |
| { NMD_F, "mov.l\t@(0x%03X,r%d),r%d", 0xf000, 0x5000, 0,0 }, |
| { D_F, "mov.b\tr0,@(0x%03X,gbr)", 0xff00, 0xc000, 1, 0 }, |
| { D_F, "mov.w\tr0,@(0x%03X,gbr)", 0xff00, 0xc100, 2, 0 }, |
| { D_F, "mov.l\tr0,@(0x%03X,gbr)", 0xff00, 0xc200, 4, 0 }, |
| { D_F, "mov.b\t@(0x%03X,gbr),r0", 0xff00, 0xc400, 1, 0 }, |
| { D_F, "mov.w\t@(0x%03X,gbr),r0", 0xff00, 0xc500, 2, 0 }, |
| { D_F, "mov.l\t@(0x%03X,gbr),r0", 0xff00, 0xc600, 4, 0 }, |
| { D_F, "mova\t@(0x%03X,pc),r0", 0xff00, 0xc700, 4, 0 }, |
| { D_F, "bf\t0x%08X", 0xff00, 0x8b00, 5, 0 }, |
| { D_F, "bf/s\t0x%08X", 0xff00, 0x8f00, 5, 1 }, |
| { D_F, "bt\t0x%08X", 0xff00, 0x8900, 5, 0 }, |
| { D_F, "bt/s\t0x%08X", 0xff00, 0x8d00, 5, 1 }, |
| { D12_F, "bra\t0x%08X", 0xf000, 0xa000, 0, 0 }, |
| { D12_F, "bsr\t0x%08X", 0xf000, 0xb000, 0, 0 }, |
| { ND8_F, "mov.w\t@(0x%03X,pc),r%d", 0xf000, 0x9000, 2, 0 }, |
| { ND8_F, "mov.l\t@(0x%03X,pc),r%d", 0xf000, 0xd000, 4, 0 }, |
| { I_F, "and.b\t#0x%02X,@(r0,gbr)", 0xff00, 0xcd00, 0,0 }, |
| { I_F, "or.b\t#0x%02X,@(r0,gbr)", 0xff00, 0xcf00, 0,0 }, |
| { I_F, "tst.b\t#0x%02X,@(r0,gbr)", 0xff00, 0xcc00, 0,0 }, |
| { I_F, "xor.b\t#0x%02X,@(r0,gbr)", 0xff00, 0xce00, 0,0 }, |
| { I_F, "and\t#0x%02X,r0", 0xff00, 0xc900, 0, 0 }, |
| { I_F, "cmp/eq\t#0x%02X,r0", 0xff00, 0x8800, 0, 0 }, |
| { I_F, "or\t#0x%02X,r0", 0xff00, 0xcb00, 0, 0 }, |
| { I_F, "tst\t#0x%02X,r0", 0xff00, 0xc800, 0, 0 }, |
| { I_F, "xor\t#0x%02X,r0", 0xff00, 0xca00, 0, 0 }, |
| { I_F, "trapa\t#0x%X", 0xff00, 0xc300, 0, 0 }, |
| { NI_F, "add\t#0x%02X,r%d", 0xf000, 0x7000, 0, 0 }, |
| { NI_F, "mov\t#0x%02X,r%d", 0xf000, 0xe000, 0, 0 }, |
| { 0, NULL, 0, 0, 0, 0 } |
| }; |
| |
| |
| int FindOption(char *option, int p, int h, int u, int argc, char **argv) |
| { |
| static int t[] = { 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0 }; |
| int i; |
| char *c; |
| |
| if (argc > 128) |
| argc = 128; /* maximum this function can handle is 128 */ |
| |
| /* |
| * if p = 1 and h = 0 will find option and return decimal value of |
| * argv[i+1], if h = 1 will read it as hex. |
| * if p = 0 then it will return index of option in argv[], 0 not found |
| * if u = 1 will return index of first occurance of untouched option |
| */ |
| |
| if (u) /* find first untouched element */ |
| { |
| for (i = 1; i < argc; i++) |
| { |
| if (!t[i]) /* 0 indicates untouched */ |
| return i; |
| } |
| return 0; |
| } |
| |
| if (p) /* find option and return integer value following it */ |
| { |
| for (i = 1; i < argc; i++) |
| { |
| if (strcmp(argv[i], option) == 0) /* found */ |
| { |
| if (i >= argc) /* bounds! */ |
| return 0; |
| t[i + 1] = t[i] = 1; /* touched */ |
| if (!h) |
| return atoi(argv[i + 1]); |
| else |
| return strtoul(argv[i + 1], &c, 16); |
| } |
| } |
| return 0; /* no match */ |
| } |
| else /* find option and return position */ |
| { |
| for (i = 1; i < argc; i++) |
| { |
| if (strcmp(argv[i], option) == 0) |
| { |
| t[i] = 1; |
| return i; /* found! return position */ |
| } |
| } |
| return 0; |
| } |
| } |
| |
| /* |
| * SH2Disasm(): SH-1/SH-2 disassembler routine. If mode = 0 then SH-2 mode, |
| * otherwise SH-1 mode |
| */ |
| |
| void SH2Disasm(unsigned v_addr, unsigned char *p_addr, int mode, char *m_addr) |
| { |
| int i; |
| unsigned short op; |
| |
| op = (unsigned short) (*p_addr << 8) | *(p_addr + 1); |
| printf("0x%08X: 0x%04X\t", v_addr, op); |
| |
| if (m_addr[0]==ND8_F) |
| { |
| if (m_addr[2]==-1) |
| { |
| unsigned int tmp = (op << 16) | ((unsigned int) (p_addr [2] << 8) | p_addr[3]); |
| printf(".long\t0x%08X\t; 0x%08X",tmp,v_addr - (unsigned)m_addr[1]); |
| } |
| else |
| printf(".short\t0x%08X\t; 0x%08X",op,v_addr - (unsigned)m_addr[1]); |
| } |
| else if (m_addr[0] != -1) |
| { |
| for (i = 0; tab[i].mnem != NULL; i++) /* 0 format */ |
| { |
| if ((op & tab[i].mask) == tab[i].bits) |
| { |
| if (tab[i].sh2 && mode) /* if SH-1 mode, no SH-2 */ |
| printf("???"); |
| else if (tab[i].format == ZERO_F) |
| printf("%s", tab[i].mnem); |
| else if (tab[i].format == N_F) |
| printf(tab[i].mnem, (op >> 8) & 0xf); |
| else if (tab[i].format == M_F) |
| printf(tab[i].mnem, (op >> 8) & 0xf); |
| else if (tab[i].format == NM_F) |
| printf(tab[i].mnem, (op >> 4) & 0xf, |
| (op >> 8) & 0xf); |
| else if (tab[i].format == MD_F) |
| { |
| if (op & 0x100) |
| printf(tab[i].mnem, (op & 0xf) * 2, |
| (op >> 4) & 0xf); |
| else |
| printf(tab[i].mnem, op & 0xf, |
| (op >> 4) & 0xf); |
| } |
| else if (tab[i].format == ND4_F) |
| { |
| if (op & 0x100) |
| printf(tab[i].mnem, (op & 0xf) * 2, |
| (op >> 4) & 0xf); |
| else |
| printf(tab[i].mnem, (op & 0xf), |
| (op >> 4) & 0xf); |
| } |
| else if (tab[i].format == NMD_F) |
| { |
| if ((op & 0xf000) == 0x1000) |
| printf(tab[i].mnem, (op >> 4) & 0xf, |
| (op & 0xf) * 4, |
| (op >> 8) & 0xf); |
| else |
| printf(tab[i].mnem, (op & 0xf) * 4, |
| (op >> 4) & 0xf, |
| (op >> 8) & 0xf); |
| } |
| else if (tab[i].format == D_F) |
| { |
| if (tab[i].dat <= 4) |
| { |
| if ((op & 0xff00) == 0xc700) |
| { |
| printf(tab[i].mnem, |
| (op & 0xff) * |
| tab[i].dat + 4); |
| printf("\t; 0x%08X", |
| (op & 0xff) * |
| tab[i].dat + 4 + |
| v_addr); |
| } |
| else |
| printf(tab[i].mnem, |
| (op & 0xff) * |
| tab[i].dat); |
| } |
| else |
| { |
| if (op & 0x80) /* sign extend */ |
| printf(tab[i].mnem, |
| (((op & 0xff) + |
| 0xffffff00) * 2) + |
| |
| v_addr + 4); |
| else |
| printf(tab[i].mnem, |
| ((op & 0xff) * 2) + |
| v_addr + 4); |
| } |
| } |
| else if (tab[i].format == D12_F) |
| { |
| if (op & 0x800) /* sign extend */ |
| printf(tab[i].mnem, |
| ((op & 0xfff) + 0xfffff000) * 2 |
| + v_addr + 4); |
| else |
| printf(tab[i].mnem, (op & 0xfff) * 2 + |
| v_addr + 4); |
| } |
| else if (tab[i].format == ND8_F) |
| { |
| int imm = (op & 0xff) * tab[i].dat + 4; |
| if ((op & 0xf000) == 0x9000) /* .W */ |
| { |
| int dat = (unsigned short) (*(imm + p_addr) << 8) | *(imm + p_addr + 1); |
| m_addr[imm+0] = ND8_F; /* this couldn't be an instruction so mark it ! */ |
| m_addr[imm+1] = imm; |
| printf(tab[i].mnem, |
| imm, |
| (op >> 8) & 0xf); |
| printf("\t; 0x%08X (0x%04X)", |
| imm + v_addr, dat); |
| } |
| else /* .L */ |
| { |
| unsigned char *b_addr = (unsigned char *)((int)p_addr & 0xfffffffc); |
| int dat = (unsigned int) (*(imm + b_addr) << 24) | (*(imm + b_addr + 1) << 16) |
| | (*(imm + b_addr + 2) << 8) | *(imm + b_addr + 3) ; |
| /* SH-1 register name lookup */ |
| char* str = ""; |
| if ( (dat & 0xfffffe00) == 0x05fffe00 ) |
| str = regname[dat & 0x1ff]; |
| m_addr[imm+(b_addr-p_addr)+0] = ND8_F; /* this couldn't be an instruction so mark it ! */ |
| m_addr[imm+(b_addr-p_addr)+1] = imm; |
| m_addr[imm+(b_addr-p_addr)+2] = -1; |
| printf(tab[i].mnem, |
| imm, |
| (op >> 8) & 0xf); |
| printf("\t; 0x%08X (0x%08X) %s", |
| imm + (v_addr & 0xfffffffc), dat, str); |
| } |
| } |
| else if (tab[i].format == I_F) |
| printf(tab[i].mnem, op & 0xff); |
| else if (tab[i].format == NI_F) |
| printf(tab[i].mnem, op & 0xff, (op >> 8) & |
| 0xf); |
| else |
| printf("???"); |
| printf("\n"); |
| return; |
| } |
| } |
| |
| printf("???"); |
| |
| } |
| printf("\n"); |
| } |
| |
| void ShowHelp() |
| { |
| printf("sh2d Version %s by Bart Trzynadlowski: A Free SH-1/SH-2 " |
| "Disassembler\n", VERSION); |
| printf("Usage: sh2d <file> [options]\n"); |
| printf("Options: -?,-h Show this help text\n"); |
| printf(" -s # Start offset (hexadecimal)\n"); |
| printf(" -l # Number of bytes (decimal)\n"); |
| printf(" -o # Set origin (hexadecimal)\n"); |
| printf(" -sh1 SH-1 disassembly only\n"); |
| printf(" -sh2 SH-2 disassembly (default)\n"); |
| exit(0); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| FILE *fp; |
| long fsize, file, mode; |
| unsigned start, len, calc_len = 0, org, do_org, i, j = 0; |
| char *buffer; |
| char *mark; |
| |
| if (argc == 1) /* show help */ |
| ShowHelp(); |
| if (FindOption("-?", 0, 0, 0, argc, argv) || |
| FindOption("-h", 0, 0, 0, argc, argv)) |
| ShowHelp(); |
| |
| if (FindOption("-sh1", 0, 0, 0, argc, argv)) |
| mode = 1; /* SH-1 mode */ |
| else |
| mode = 0; /* SH-2 mode */ |
| if (FindOption("-sh2", 0, 0, 0, argc, argv)) |
| mode = 0; /* SH-2 mode */ |
| |
| start = FindOption("-s", 1, 1, 0, argc, argv); |
| org = FindOption("-o", 1, 1, 0, argc, argv); |
| if (!(len = FindOption("-l", 1, 0, 0, argc, argv))) |
| { |
| if (FindOption("-l", 0, 0, 0, argc, argv)) |
| return 0; /* -l was actually specified w/ 0 */ |
| calc_len = 1; /* no -l, calculate length */ |
| } |
| |
| if (FindOption("-o", 0, 0, 0, argc, argv)) |
| do_org = 1; /* -o was actually 0 */ |
| else |
| do_org = 0; /* there was no -o, ignore the org variable */ |
| |
| if (!(file = FindOption(NULL, 0, 0, 1, argc, argv))) |
| { |
| fprintf(stderr, "sh2d: No input file specified. Try " |
| "\"sh2d -h\" for usage instructions\n"); |
| exit(1); |
| } |
| |
| if ((fp = fopen(argv[file], "rb")) == NULL) |
| { |
| fprintf(stderr, "sh2d: Failed to open file: %s\n", |
| argv[file]); |
| exit(1); |
| } |
| fseek(fp, 0, SEEK_END); |
| fsize = ftell(fp); |
| rewind(fp); |
| if ((buffer = (unsigned char *) calloc(fsize * 2, sizeof(unsigned short))) |
| == NULL) |
| { |
| fprintf(stderr, "sh2d: Not enough memory to load input " |
| "file: %s, %lu bytes\n", argv[file], fsize); |
| exit(1); |
| } |
| fread(buffer, sizeof(unsigned char), fsize, fp); |
| fclose(fp); |
| |
| if (calc_len) |
| len = fsize - start; |
| |
| mark = buffer + fsize; |
| |
| for (i = start; i < (unsigned) fsize && j < len; i += 2) |
| { |
| if (do_org) |
| { |
| SH2Disasm(org, &buffer[i], mode, &mark[i]); |
| org += 2; |
| } |
| else |
| SH2Disasm(i, &buffer[i], mode, &mark[i]); |
| j += 2; |
| } |
| |
| return 0; |
| } |