Mercurial > repos > tabletprog

annotate modules/x86.tp @ 186:35d2cc193d99

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add string conversion inside array join so callers don't need to worry about doing string conversions themselves
author Mike Pavone <pavone@retrodev.com>
date Mon, 26 Aug 2013 17:27:17 -0700
parents 97f107b9e8d3
children 4293c725394c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1 {
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
2 regnames <- #["rax" "rcx" "rdx" "rbx" "rsp" "rbp" "rsi" "rdi" "r8" "r9" "r10" "r11" "r12" "r13" "r14" "r15"]
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
3 uppernames <- #["ah" "ch" "dh" "bh"]
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
4 ireg <- :regnum {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
5 #{
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
6 num <- { regnum }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
7 reg <- { regnum and 7u8}
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
8 string <- { regnames get: regnum }
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
9 rm <- :tail { reg or 0xC0u8 | tail }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
10 validforSize? <- :size { true }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
11 isInteger? <- { false }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
12 register? <- { true }
181
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
13 label? <- { false }
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
14 upper? <- { true }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
15 needsRex? <- { regnum >= 8u8 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
16 rexBitReg <- {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
17 if: needsRex? {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
18 4u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
19 } else: {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
20 0u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
21 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
22 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
23 rexBitRM <- {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
24 if: needsRex? {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
25 1u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
26 } else: {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
27 0u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
28 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
29 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
30 = <- :other {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
31 (not: (other isInteger?)) && (other register?) && (not: (other upper?)) && regnum = (other num)
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
32 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
33 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
34 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
35
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
36 upper <- :regnum {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
37 #{
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
38 num <- { regnum }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
39 reg <- { regnum }
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
40 string <- { uppernames get: regnum - 4 }
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
41 rm <- :tail { regnum or 0xC0u8 | tail }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
42 validforSize? <- :size {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
43 size = byte
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
44 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
45 isInteger? <- { false }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
46 register? <- { true }
181
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
47 label? <- { false }
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
48 upper? <- { true }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
49 needsRex? <- { false }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
50 = <- :other {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
51 (not: (other isInteger?)) && (other register?) && (other upper?) && regnum = (other num)
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
52 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
53 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
54 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
55 fakesrc <- #{
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
56 needsRex? <- { false }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
57 rexBitReg <- { 0u8 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
58 rexBitRM <- { 0u8 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
59 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
60 size <- :s {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
61 #{
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
62 num <- { s }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
63 = <- :other {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
64 s = (other num)
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
65 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
66 > <- :other {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
67 s > (other num)
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
68 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
69 >= <- :other {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
70 s >= (other num)
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
71 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
72 < <- :other {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
73 s < (other num)
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
74 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
75 <= <- :other {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
76 s <= (other num)
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
77 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
78 needsRex? <- { s = 3 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
79 rexBit <- {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
80 if: needsRex? {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
81 0x08u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
82 } else: {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
83 0u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
84 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
85 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
86 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
87 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
88 byte <- size: 0
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
89 word <- size: 1
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
90 dword <- size: 2
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
91 qword <- size: 3
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
92
183
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
93 condition <- :num {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
94 #{
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
95 cc <- { num }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
96 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
97 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
98 _o <- condition: 0u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
99 _no <- condition: 1u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
100 _c <- condition: 2u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
101 _nc <- condition: 3u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
102 _z <- condition: 4u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
103 _nz <- condition: 5u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
104 _be <- condition: 6u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
105 _nbe <- condition: 7u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
106 _s <- condition: 8u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
107 _ns <- condition: 9u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
108 _p <- condition: 10u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
109 _np <- condition: 11u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
110 _l <- condition: 12u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
111 _nl <- condition: 13u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
112 _le <- condition: 14u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
113 _nle <- condition: 15u8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
114
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
115
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
116 size_bit <- :opcode size {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
117 if: size = byte {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
118 opcode
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
119 } else: {
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
120 opcode or 1u8
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
121 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
122 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
123 opex <- :val {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
124 #{
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
125 reg <- { val }
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
126 string <- { "opex " . val}
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
127 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
128 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
129
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
130 mod_rm:withTail <- :register regmem :end {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
131 l <- regmem rm: end
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
132 (l value) or ( lshift: (register reg) by: 3u8) | (l tail)
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
133 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
134
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
135 mod_rm <- :reg rm {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
136 mod_rm: reg rm withTail: []
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
137 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
138
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
139 int_op:withTail <- :value size :tail {
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
140 if: size >= dword {
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
141 tail <- (uint8: (rshift: value by: 16u64)) | (uint8: (rshift: value by: 24u64)) | tail
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
142 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
143 if: size >= word {
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
144 tail <- (uint8: (rshift: value by: 8u64)) | tail
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
145 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
146 (uint8: value) | tail
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
147 }
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
148 int_op <- :value size {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
149 int_op: value size withTail: []
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
150 }
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
151 //used for mov instructions that support 64-bit immediate operands/offsets
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
152 int_op64 <- :value size {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
153 tail <- []
183
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
154 value <- uint64: value
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
155 if: size = qword {
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
156 tail <- (uint8: (rshift: value by: 32u64)) | (uint8: (rshift: value by: 40u64)) | (uint8: (rshift: value by: 48u64)) | (uint8: (rshift: value by: 56u64)) | tail
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
157 }
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
158 int_op: value size withTail: tail
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
159 }
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
160
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
161 prefix:withInstruction <- :reg rm size :inst {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
162 if: size = word {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
163 inst <- 0x66u8 | inst
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
164 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
165 if: (size needsRex?) || (reg needsRex?) || (rm needsRex?) {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
166 rex <- 0x40u8 or (size rexBit) or (reg rexBitReg) or (rm rexBitRM)
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
167 inst <- rex | inst
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
168 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
169 inst
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
170 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
171
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
172 _rax <- ireg: 0u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
173 _rcx <- ireg: 1u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
174 _rdx <- ireg: 2u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 _rbx <- ireg: 3u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
176 _rsp <- ireg: 4u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
177 _rbp <- ireg: 5u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
178 _rsi <- ireg: 6u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
179 _rdi <- ireg: 7u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
180 _r8 <- ireg: 8u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
181 _r9 <- ireg: 9u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
182 _r10 <- ireg: 10u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
183 _r11 <- ireg: 11u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
184 _r12 <- ireg: 12u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
185 _r13 <- ireg: 13u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
186 _r14 <- ireg: 14u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
187 _r15 <- ireg: 15u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
188 _ah <- upper: 4u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
189 _ch <- upper: 5u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190 _dh <- upper: 6u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
191 _bh <- upper: 7u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
192
180
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
193 inst <- :ilist {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
194 #{
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
195 length <- { ilist length }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
196 flattenTo:at <- :dest :idx {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
197 ilist fold: idx with: :idx byte {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
198 dest set: idx byte
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
199 idx + 1
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
200 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
201 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
202 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
203 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
204
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
205 op:withCode:withImmed:withOpEx <- :src dst size :normal :immed :myopex {
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
206 reg <- src
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
207 rm <- dst
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
208 base <- if: (src isInteger?) {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
209 reg <- fakesrc
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
210 (size_bit: immed size) | (mod_rm: (opex: myopex) dst withTail: (int_op: src size))
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
211 } else: {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
212 if: (src register?) {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
213 (size_bit: normal size) | (mod_rm: src dst)
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
214 } else: {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
215 reg <- dst
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
216 rm <- src
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
217 (size_bit: normal or 0x02u8 size) | (mod_rm: dst src)
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
218 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
219 }
180
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
220 inst: (prefix: reg rm size withInstruction: base)
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
221 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
222
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
223 op:withCode:withImmed:withImmedRax:withOpEx:withByteExtend <- :src dst size :normal :immed :immedRax :myopex :byteExt {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
224 reg <- src
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
225 rm <- dst
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
226 if: (src isInteger?) {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
227 reg <- fakesrc
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
228 base <- if: size > byte && (((src signed?) && src < 128 && src >= -128) || ((not: (src signed?)) && src < 256)) {
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
229 byteExt | (mod_rm: (opex: myopex) dst withTail: [(uint8: src)])
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
230 } else: {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
231 if: dst = _rax {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
232 (size_bit: immedRax size) | (int_op: src size)
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
233 } else: {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
234 (size_bit: immed size) | (mod_rm: (opex: myopex) dst withTail: (int_op: src size))
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
235 }
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
236 }
180
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
237 inst: (prefix: reg rm size withInstruction: base)
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
238 } else: {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
239 op: src dst size withCode: normal withImmed: immed withOpEx: myopex
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
240 }
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
241 }
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
242
183
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
243 _jmprel <- :op jmpDest {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
244 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
245
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
246 #{
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
247 rax <- { _rax }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
248 rcx <- { _rcx }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
249 rdx <- { _rdx }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
250 rbx <- { _rbx }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
251 rsp <- { _rsp }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
252 rbp <- { _rbp }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
253 rsi <- { _rsi }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
254 rdi <- { _rdi }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
255 r8 <- { _r8 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
256 r9 <- { _r9 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
257 r10 <- { _r10 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
258 r11 <- { _r11 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
259 r12 <- { _r12 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
260 r13 <- { _r13 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
261 r14 <- { _r14 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
262 r15 <- { _r15 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
263 ah <- { _ah }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
264 ch <- { _ch }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
265 dh <- { _dh }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
266 bh <- { _bh }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
267
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
268 b <- { byte }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
269 w <- { word }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
270 d <- { dword }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
271 q <- { qword }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
272
183
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
273 o <- { _o }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
274 no <- { _no }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
275 c <- { _c }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
276 nc <- { _nc }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
277 ae <- { _nc }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
278 z <- { _z }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
279 e <- { _z }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
280 nz <- { _nz }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
281 ne <- { _nz }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
282 be <- { _be }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
283 nbe <- { _nbe }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
284 a <- { _nbe }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
285 s <- { _s }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
286 ns <- { _ns }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
287 p <- { _p }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
288 pe <- { _p }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
289 np <- { _np }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
290 po <- { _np }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
291 l <- { _l }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
292 nl <- { _nl }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
293 ge <- { _nl }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
294 le <- { _le }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
295 nle <- { _nle }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
296 g <- { _nle }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
297
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
298 add <- :src dst size {
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
299 op: src dst size withCode: 0u8 withImmed: 0x80u8 withImmedRax: 0x04u8 withOpEx: 0u8 withByteExtend: 0x83u8
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
300 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
301
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
302 sub <- :src dst size {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
303 op: src dst size withCode: 0x28u8 withImmed: 0x80u8 withImmedRax: 0x2Cu8 withOpEx: 5u8 withByteExtend: 0x83u8
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
304 }
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
305
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
306 mov <- :src dst size {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
307 rm <- dst
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
308 if: (src isInteger?) && (dst register?) {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
309 opval <- if: size = byte { 0xB0u8 } else: { 0xB8u8 }
183
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
310 base <- opval or (dst reg) | (int_op64: src size)
180
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
311 inst: (prefix: fakesrc rm size withInstruction: base)
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
312 } else: {
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
313 op: src dst size withCode: 0x88u8 withImmed: 0xC6u8 withOpEx: 0u8
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
314 }
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
315 }
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
316
180
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
317 ret <- { inst: [ 0xC3u8 ] }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
318
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
319 label <- {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
320 _offset <- -1
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
321 _forwardRefs <- #[]
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
322 #{
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
323 length <- { 0 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
324 hasOffset? <- { _offset >= 0 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
325 offset <- { _offset }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
326 register? <- { false }
181
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
327 label? <- { true }
180
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
328 flattenTo:at <- :dest :idx {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
329 if: (not: hasOffset?) {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
330 _offset <- idx
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
331 foreach: _forwardRefs :idx fun {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
332 fun: _offset
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
333 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
334 _forwardRefs <- #[]
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
335 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
336 idx
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
337 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
338 withOffset:else <- :fun :elsefun {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
339 if: hasOffset? {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
340 fun: _offset
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
341 } else: {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
342 _forwardRefs append: fun
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
343 elsefun:
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
344 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
345 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
346 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
347 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
348
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
349 jmp <- :jmpDest {
181
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
350 if: (jmpDest label?) {
180
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
351 _size <- -1
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
352 #{
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
353 length <- { if: _size < 0 { 5 } else: { _size } }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
354 flattenTo:at <- :dest :idx {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
355 jmpDest withOffset: :off {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
356 if: _size < 0 {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
357 rel <- off - (idx + 2)
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
358 if: rel < 128 && rel >= -128 {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
359 _size <- 2
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
360 } else: {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
361 rel <- rel - 2
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
362 if: rel < 32768 && rel >= -32768 {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
363 _size <- 4
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
364 } else: {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
365 _size <- 5
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
366 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
367 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
368 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
369 rel <- off - (idx + _size)
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
370 if: _size = 2 {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
371 dest set: idx 0xEBu8
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
372 dest set: (idx + 1) (uint8: rel)
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
373 } else: {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
374 if: _size = 4 {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
375 dest set: idx 0x66u8
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
376 dest set: (idx + 1) 0xE9u8
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
377 dest set: (idx + 2) (uint8: rel)
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
378 dest set: (idx + 3) (uint8: (rshift: rel by: 8))
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
379 } else: {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
380 dest set: idx 0xE9u8
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
381 dest set: (idx + 1) (uint8: rel)
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
382 dest set: (idx + 2) (uint8: (rshift: rel by: 8))
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
383 dest set: (idx + 3) (uint8: (rshift: rel by: 16))
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
384 dest set: (idx + 4) (uint8: (rshift: rel by: 24))
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
385 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
386 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
387 } else: {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
388 _size <- 5
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
389 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
390 idx + _size
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
391 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
392 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
393 } else: {
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
394 inst: 0xFFu8 | (mod_rm: (opex: 5u8) jmpDest)
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
395 }
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
396 }
175
20b6041a8b23 Small refactor in x86 module. Added a few more instructions.
Mike Pavone <pavone@retrodev.com>
parents: 174
diff changeset
397
183
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
398 jcc <- :cond jmpDest {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
399 _size <- -1
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
400 #{
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
401 length <- { if: _size < 0 { 5 } else: { _size } }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
402 flattenTo:at <- :dest :idx {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
403 jmpDest withOffset: :off {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
404 if: _size < 0 {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
405 rel <- off - (idx + 2)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
406 if: rel < 128 && rel >= -128 {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
407 _size <- 2
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
408 } else: {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
409 _size <- 6
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
410 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
411 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
412 rel <- off - (idx + _size)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
413 if: _size = 2 {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
414 dest set: idx 0x70u8 or (cond cc)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
415 dest set: (idx + 1) (uint8: rel)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
416 } else: {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
417 dest set: idx 0x0Fu8
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
418 dest set: (idx + 1) 0x80u8 or (cond cc)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
419 dest set: (idx + 2) (uint8: rel)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
420 dest set: (idx + 3) (uint8: (rshift: rel by: 8))
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
421 dest set: (idx + 4) (uint8: (rshift: rel by: 16))
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
422 dest set: (idx + 5) (uint8: (rshift: rel by: 24))
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
423 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
424 } else: {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
425 _size <- 6
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
426 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
427 idx + _size
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
428 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
429 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
430 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
431
181
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
432 call <- :callDest {
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
433 if: (callDest label?) {
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
434 #{
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
435 length <- { 5 }
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
436 flattenTo:at <- :dest :idx {
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
437 dest set: idx 0xE8u8
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
438 callDest withOffset: :off {
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
439 rel <- off - (idx + 5)
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
440 dest set: (idx + 1) (uint8: rel)
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
441 dest set: (idx + 2) (uint8: (rshift: rel by: 8))
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
442 dest set: (idx + 3) (uint8: (rshift: rel by: 16))
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
443 dest set: (idx + 4) (uint8: (rshift: rel by: 24))
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
444 } else: {
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
445 }
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
446 idx + 5
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
447 }
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
448 }
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
449 } else: {
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
450 inst: 0xFFu8 | (mod_rm: (opex: 2u8) callDest)
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
451 }
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
452 }
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
453
183
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
454 push <- :src {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
455 if: (src isInteger?) {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
456 if: src < 128 && src > -128 {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
457 inst: 0x6Au8 | (uint8: src)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
458 } else: {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
459 inst: 0x68u8 | (uint8: src) | (uint8: (rshift: src by: 8)) | (uint8: (rshift: src by: 16)) | (uint8: (rshift: src by: 24))
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
460 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
461 } else: {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
462 base <- if: (src register?) {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
463 [0x50u8 or (src reg)]
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
464 } else: {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
465 0xFFu8 | (mod_rm: (opex: 6u8) src)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
466 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
467 inst: (prefix: fakesrc src d withInstruction: base)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
468 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
469 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
470
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
471 pop <- :dst {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
472 base <- if: (dst register?) {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
473 [0x58u8 or (dst reg)]
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
474 } else: {
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
475 0x8Fu8 | (mod_rm: (opex: 0u8) dst)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
476 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
477 inst: (prefix: fakesrc dst d withInstruction: base)
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
478 }
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
479
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
480 main <- {
183
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
481 fib <- label:
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
482 notbase <- label:
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
483 prog <- #[
183
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
484 fib
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
485 sub: 2 rdi q
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
486 jcc: ge notbase
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
487 mov: 1 rax q
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
488 ret:
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
489
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
490 notbase
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
491 push: rdi
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
492 call: fib
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
493 pop: rdi
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
494 push: rax
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
495 add: 1 rdi q
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
496 call: fib
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
497 pop: rdi
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
498 add: rdi rax q
181
f188723c15b4 Add call instruction to x86 module
Mike Pavone <pavone@retrodev.com>
parents: 180
diff changeset
499 ret:
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
500 ]
180
270d31c6c4cd Add support for jmps and labels in x86 module
Mike Pavone <pavone@retrodev.com>
parents: 179
diff changeset
501
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
502 ba <- bytearray executableFromBytes: prog
183
97f107b9e8d3 Fix a few bugs in the x86 module and add jcc, push and pop instructions
Mike Pavone <pavone@retrodev.com>
parents: 181
diff changeset
503 res <- ba runWithArg: 30u64
179
75aca5f87969 A bunch of fixes in x86 instruction encoding
Mike Pavone <pavone@retrodev.com>
parents: 175
diff changeset
504 print: (string: res) . "\n"
174
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
505 0
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
506 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
507 }
8b5829372ad1 Initial work on x86 instruction encoding module
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
508 }