FreeCalypso > hg > freecalypso-reveng

annotate arm7dis/thumbdis.c @ 104:52cec4b71cfe

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
C139 boot re: got to UART initialization
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 31 Mar 2014 03:11:25 +0000
parents a10acb1688e0
children c883e60df239
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
97
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 #include <sys/types.h>
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 #include <stdio.h>
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 #include <stdlib.h>
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 #include <string.h>
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 #include <strings.h>
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7 extern char *binfilename;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 extern u_char *filemap;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9 extern unsigned disasm_len, base_vma;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 extern unsigned get_u16(), get_u32();
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 extern char *regnames[16], *condition_decode[16], *shift_types[4];
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 format_1_2(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
18 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19 unsigned op, imm;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 op = (word >> 11) & 3;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 if (op != 3) {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 /* format 1 */
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 imm = (word >> 6) & 0x1F;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25 if (op != 0 && imm == 0)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26 imm = 32;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 printf("%s\t%s, %s, #%u\n", shift_types[op], regnames[word&7],
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
28 regnames[(word>>3)&7], imm);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
29 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
31 /* format 2 */
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
32 printf("%s\t%s, %s, ", word&0x200 ? "sub" : "add", regnames[word&7],
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
33 regnames[(word>>3)&7]);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
34 if (word & 0x400)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
35 printf("#%u\n", (word >> 6) & 7);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
36 else
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
37 printf("%s\n", regnames[(word >> 6) & 7]);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
38 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
39
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
40 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
41 format_3(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
42 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
43 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
44 static char *opctab[4] = {"mov", "cmp", "add", "sub"};
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
45 unsigned imm;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
46
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
47 imm = word & 0xFF;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
48 printf("%s\t%s, #%u", opctab[(word>>11)&3], regnames[(word>>8)&7], imm);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
49 if (imm > 9)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
50 printf("\t; 0x%x", imm);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
51 putchar('\n');
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
52 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
53
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
54 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
55 format_4(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
56 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
57 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
58 static char *opc[16] = {"and", "eor", "lsl", "lsr",
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
59 "asr", "adc", "sbc", "ror",
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
60 "tst", "neg", "cmp", "cmn",
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
61 "orr", "mul", "bic", "mvn"};
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
62
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
63 printf("%s\t%s, %s\n", opc[(word>>6)&0xF], regnames[word&7],
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
64 regnames[(word>>3)&7]);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
65 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
66
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
67 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
68 format_5_bx(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
69 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
70 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
71 if (word & 0x80)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
72 printf("<invalid: blx instead of bx>\n");
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
73 else
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
74 printf("bx\t%s\n", regnames[(word>>3)&0xF]);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
75 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
76
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
77 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
78 format_5_hiops(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
79 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
80 {
101
78e4702884e3 thumbdis: nop recognition
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 97
diff changeset
81 static char *opctab[3] = {"add", "cmp", "mov"};
78e4702884e3 thumbdis: nop recognition
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 97
diff changeset
82 int reg1, reg2, op;
97
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
83
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
84 if (word & 0xC0) {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
85 reg1 = word & 7;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
86 if (word & 0x80)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
87 reg1 += 8;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
88 reg2 = (word >> 3) & 0xF;
101
78e4702884e3 thumbdis: nop recognition
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 97
diff changeset
89 op = (word >> 8) & 3;
78e4702884e3 thumbdis: nop recognition
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 97
diff changeset
90 if (op == 2 && reg1 == reg2 && reg1 != 15)
78e4702884e3 thumbdis: nop recognition
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 97
diff changeset
91 printf("nop\t\t\t(mov %s, %s)\n",
78e4702884e3 thumbdis: nop recognition
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 97
diff changeset
92 regnames[reg1], regnames[reg2]);
78e4702884e3 thumbdis: nop recognition
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 97
diff changeset
93 else
78e4702884e3 thumbdis: nop recognition
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 97
diff changeset
94 printf("%s\t%s, %s\n", opctab[op],
78e4702884e3 thumbdis: nop recognition
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 97
diff changeset
95 regnames[reg1], regnames[reg2]);
97
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
96 } else
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
97 printf("<invalid: hi-reg format with both low regs>\n");
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
98 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
99
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
100 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
101 format_5(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
102 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
103 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
104 if ((word & 0x300) == 0x300)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
105 format_5_bx(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
106 else
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
107 format_5_hiops(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
108 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
109
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
110 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
111 format_6(off, word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
112 unsigned off, word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
113 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
114 unsigned loff, litoff;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
115
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
116 loff = (word & 0xFF) << 2;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
117 off &= ~3;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
118 off += 4;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
119 litoff = off + loff;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
120 if (litoff+4 <= disasm_len)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
121 printf("ldr\t%s, =0x%x\t; via 0x%x\n", regnames[(word>>8)&7],
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
122 get_u32(filemap + litoff), base_vma + litoff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
123 else
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
124 printf("ldr\t%s, [pc, #%u]\t(0x%x)\n", regnames[(word>>8)&7],
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
125 loff, base_vma + litoff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
126 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
127
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
128 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
129 format_7(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
130 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
131 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
132 printf("%s%s\t%s, [%s, %s]\n", word&0x800 ? "ldr" : "str",
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
133 word&0x400 ? "b" : "", regnames[word&7],
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
134 regnames[(word>>3)&7], regnames[(word>>6)&7]);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
135 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
136
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
137 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
138 format_8(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
139 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
140 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
141 static char *opc[4] = {"strh", "ldrsb", "ldrh", "ldrsh"};
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
142
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
143 printf("%s\t%s, [%s, %s]\n", opc[(word>>10)&3], regnames[word&7],
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
144 regnames[(word>>3)&7], regnames[(word>>6)&7]);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
145 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
146
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
147 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
148 format_9(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
149 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
150 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
151 unsigned loff;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
152
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
153 loff = (word >> 6) & 0x1F;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
154 if (!(word & 0x1000))
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
155 loff <<= 2;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
156 printf("%s%s\t%s, [%s, #%u]", word&0x800 ? "ldr" : "str",
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
157 word&0x1000 ? "b" : "", regnames[word&7],
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
158 regnames[(word>>3)&7], loff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
159 if (loff >= 10)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
160 printf("\t; 0x%x", loff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
161 putchar('\n');
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
162 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
163
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
164 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
165 format_10(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
166 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
167 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
168 unsigned loff;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
169
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
170 loff = (word >> 6) & 0x1F;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
171 loff <<= 1;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
172 printf("%sh\t%s, [%s, #%u]", word&0x800 ? "ldr" : "str",
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
173 regnames[word&7], regnames[(word>>3)&7], loff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
174 if (loff >= 10)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
175 printf("\t; 0x%x", loff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
176 putchar('\n');
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
177 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
178
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
179 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
180 format_11(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
181 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
182 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
183 unsigned loff;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
184
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
185 loff = (word & 0xFF) << 2;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
186 printf("%s\t%s, [sp, #%u]", word&0x800 ? "ldr" : "str",
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
187 regnames[(word>>8)&7], loff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
188 if (loff >= 10)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
189 printf("\t; 0x%x", loff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
190 putchar('\n');
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
191 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
192
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
193 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
194 format_12(off, word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
195 unsigned off, word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
196 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
197 unsigned loff;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
198
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
199 loff = (word & 0xFF) << 2;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
200 printf("add\t%s, %s, #%u", regnames[(word>>8)&7],
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
201 word&0x800 ? "sp" : "pc", loff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
202 if (loff >= 10)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
203 printf("\t; 0x%x", loff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
204 putchar('\n');
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
205 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
206
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
207 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
208 format_13(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
209 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
210 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
211 unsigned loff;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
212
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
213 if ((word & 0xFF00) != 0xB000) {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
214 printf("<invalid format 13>\n");
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
215 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
216 }
103
a10acb1688e0 thumbdis: buglet in the decoding of sub-from-sp
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 101
diff changeset
217 loff = (word & 0x7F) << 2;
97
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
218 printf("%s\tsp, #%u", word&0x80 ? "sub" : "add", loff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
219 if (loff >= 10)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
220 printf("\t; 0x%x", loff);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
221 putchar('\n');
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
222 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
223
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
224 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
225 format_14(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
226 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
227 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
228 int r, flag;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
229
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
230 if ((word & 0xF600) != 0xB400) {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
231 printf("<invalid format 14>\n");
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
232 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
233 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
234 printf("%s\t{", word&0x800 ? "pop" : "push");
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
235 flag = 0;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
236 for (r = 0; r < 9; r++)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
237 if (word & (1 << r)) {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
238 if (flag)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
239 fputs(", ", stdout);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
240 if (r == 8)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
241 fputs(word&0x800 ? "pc" : "lr", stdout);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
242 else
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
243 fputs(regnames[r], stdout);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
244 flag = 1;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
245 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
246 putchar('}');
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
247 putchar('\n');
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
248 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
249
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
250 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
251 format_15(word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
252 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
253 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
254 int r, flag;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
255
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
256 printf("%sia\t%s!, {", word&0x800 ? "ldm" : "stm",
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
257 regnames[(word>>8)&7]);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
258 flag = 0;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
259 for (r = 0; r < 8; r++)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
260 if (word & (1 << r)) {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
261 if (flag)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
262 fputs(", ", stdout);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
263 fputs(regnames[r], stdout);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
264 flag = 1;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
265 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
266 putchar('}');
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
267 putchar('\n');
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
268 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
269
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
270 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
271 format_16_17(off, word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
272 unsigned off, word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
273 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
274 unsigned cond;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
275 unsigned dest;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
276
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
277 cond = (word >> 8) & 0xF;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
278 switch (cond) {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
279 case 0xE:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
280 printf("<invalid: bal>\n");
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
281 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
282 case 0xF:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
283 printf("swi\t0x%x\n", word & 0xFF);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
284 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
285 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
286 dest = (word & 0xFF) << 1;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
287 if (dest & 0x00000100)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
288 dest |= 0xFFFFFE00;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
289 dest += base_vma + off + 4;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
290 printf("b%s\t0x%x\n", condition_decode[cond], dest);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
291 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
292
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
293 static void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
294 format_18(off, word)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
295 unsigned off, word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
296 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
297 unsigned dest;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
298
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
299 if (word & 0x800) {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
300 printf("<invalid format 18>\n");
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
301 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
302 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
303 dest = (word & 0x7FF) << 1;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
304 if (dest & 0x00000800)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
305 dest |= 0xFFFFF000;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
306 dest += base_vma + off + 4;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
307 printf("b\t0x%x\n", dest);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
308 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
309
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
310 void
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
311 thumb_disasm_line(off)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
312 unsigned off;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
313 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
314 unsigned word;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
315
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
316 word = get_u16(filemap + off);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
317 printf("%8x:\t%04x\t\t", base_vma + off, word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
318 switch (word >> 12) {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
319 case 0:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
320 case 1:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
321 format_1_2(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
322 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
323 case 2:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
324 case 3:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
325 format_3(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
326 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
327 case 4:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
328 if (word & 0x800)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
329 format_6(off, word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
330 else if (word & 0x400)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
331 format_5(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
332 else
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
333 format_4(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
334 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
335 case 5:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
336 if (word & 0x200)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
337 format_8(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
338 else
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
339 format_7(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
340 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
341 case 6:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
342 case 7:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
343 format_9(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
344 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
345 case 8:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
346 format_10(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
347 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
348 case 9:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
349 format_11(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
350 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
351 case 0xA:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
352 format_12(off, word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
353 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
354 case 0xB:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
355 if (word & 0x400)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
356 format_14(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
357 else
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
358 format_13(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
359 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
360 case 0xC:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
361 format_15(word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
362 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
363 case 0xD:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
364 format_16_17(off, word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
365 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
366 case 0xE:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
367 format_18(off, word);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
368 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
369 case 0xF:
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
370 printf("<half-bl>\n");
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
371 return;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
372 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
373 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
374
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
375 thumb_check_bl(off)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
376 unsigned off;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
377 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
378 unsigned ins1, ins2;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
379 unsigned dest;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
380
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
381 if (off + 4 > disasm_len)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
382 return(0);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
383 ins1 = get_u16(filemap + off);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
384 if ((ins1 & 0xF800) != 0xF000)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
385 return(0);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
386 ins2 = get_u16(filemap + off + 2);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
387 if ((ins2 & 0xF800) != 0xF800)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
388 return(0);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
389 /* match */
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
390 dest = ((ins1 & 0x7FF) << 12) | ((ins2 & 0x7FF) << 1);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
391 if (dest & 0x00400000)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
392 dest |= 0xFF800000;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
393 dest += base_vma + off + 4;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
394 printf("%8x:\t%04x %04x\tbl\t0x%x\n", base_vma + off, ins1, ins2, dest);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
395 return(1);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
396 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
397
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
398 main(argc, argv)
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
399 char **argv;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
400 {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
401 unsigned off;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
402
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
403 common_init(argc, argv, 2);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
404 for (off = 0; off < disasm_len; ) {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
405 if (thumb_check_bl(off))
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
406 off += 4;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
407 else {
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
408 thumb_disasm_line(off);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
409 off += 2;
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
410 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
411 }
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
412 exit(0);
fb5ea2758482 thumbdis written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
413 }