From 035c38a46e86ae24269ff24f1011776200050e7f Mon Sep 17 00:00:00 2001 From: Andrew Chambers Date: Thu, 7 Oct 2021 22:48:05 +1300 Subject: Implement more opcodes. --- asm.peg | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'asm.peg') diff --git a/asm.peg b/asm.peg index 76918fd..a49dfe7 100644 --- a/asm.peg +++ b/asm.peg @@ -36,6 +36,7 @@ instr = | i:add { $$ = i; } | i:and { $$ = i; } | i:lea { $$ = i; } + | i:mov { $$ = i; } | i:or { $$ = i; } | i:sub { $$ = i; } | i:xor { $$ = i; } @@ -47,6 +48,29 @@ lea = | 'q'? ws s:m ws? ',' ws? d:r64 { $$ = INSTR(2, s, d); } ) { $$.instr.kind = ASM_LEA; } +mov = "mov" ( + 'b'? ws s:imm8 ws? ',' ws? d:r8 { $$ = INSTR(0, s, d); } + | 'w'? ws s:imm16 ws? ',' ws? d:r16 { $$ = INSTR(1, s, d); } + | 'l'? ws s:imm32 ws? ',' ws? d:r32 { $$ = INSTR(2, s, d); } + | 'q'? ws s:imm32 ws? ',' ws? d:r64 { $$ = INSTR(3, s, d); } + | 'b' ws s:imm8 ws? ',' ws? d:m { $$ = INSTR(4, s, d); } + | 'w' ws s:imm16 ws? ',' ws? d:m { $$ = INSTR(5, s, d); } + | 'l' ws s:imm32 ws? ',' ws? d:m { $$ = INSTR(6, s, d); } + | 'q' ws s:imm32 ws? ',' ws? d:m { $$ = INSTR(7, s, d); } + | 'b'? ws s:m ws? ',' ws? d:r8 { $$ = INSTR(8, s, d); } + | 'w'? ws s:m ws? ',' ws? d:r16 { $$ = INSTR(9, s, d); } + | 'l'? ws s:m ws? ',' ws? d:r32 { $$ = INSTR(10, s, d); } + | 'q'? ws s:m ws? ',' ws? d:r64 { $$ = INSTR(11, s, d); } + | 'b'? ws s:r8 ws? ',' ws? d:m { $$ = INSTR(12, s, d); } + | 'w'? ws s:r16 ws? ',' ws? d:m { $$ = INSTR(13, s, d); } + | 'l'? ws s:r32 ws? ',' ws? d:m { $$ = INSTR(14, s, d); } + | 'q'? ws s:r64 ws? ',' ws? d:m { $$ = INSTR(15, s, d); } + | 'b'? ws s:r8 ws? ',' ws? d:r8 { $$ = INSTR(16, s, d); } + | 'w'? ws s:r16 ws? ',' ws? d:r16 { $$ = INSTR(17, s, d); } + | 'l'? ws s:r32 ws? ',' ws? d:r32 { $$ = INSTR(18, s, d); } + | 'q'? ws s:r64 ws? ',' ws? d:r64 { $$ = INSTR(19, s, d); } +) { $$.instr.kind = ASM_MOV; } + xchg = 'xchg' ( 'w'? ws s:ax ws? ',' ws? d:r16 { $$ = INSTR(0, s, d); } -- cgit v1.2.3