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libmach: support for MOVP instruction disassembly for arm64

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This commit is contained in:
cinap_lenrek 2019-05-09 10:24:37 +02:00
parent e8cf753051
commit a065270fd7
1 changed files with 21 additions and 1 deletions
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22
sys/src/libmach/7db.c
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@ -91,6 +91,7 @@ static Opcode opcodes[] =
"11111000000ooooooooo1111111ddddd", "MOV", "R%d,%o(SP)!",
"WW111000000ooooooooo1111111ddddd", "MOV%WU", "R%d,%o(SP)!",
"WW111000000ooooooooo11nnnnnddddd", "MOV%WU", "R%d,%o(R%n)!",
"11111000010ooooooooo0111111ddddd", "MOV", "(SP)%o!,R%d",
"11111000010ooooooooo01nnnnnddddd", "MOV", "(R%n)%o!,R%d",
"WW111000010ooooooooo0111111ddddd", "MOV%WU", "(SP)%o!,R%d",
@ -114,6 +115,24 @@ static Opcode opcodes[] =
"W11100101ssKKKKKKKKKKKKKKKKddddd", "MOVK%W", "$%K,R%d",
"W0010001--00000000000011111ddddd", "MOV%W", "SP,R%d",
"W0010001--000000000000nnnnn11111", "MOV%W", "R%n,SP",
"0110100011ooooooommmmm11111ddddd", "MOVPSW", "(SP)%o!,R%d,R%m",
"0110100011ooooooommmmmnnnnnddddd", "MOVPSW", "(R%n)%o!,R%d,R%m",
"0110100101ooooooommmmm11111ddddd", "MOVPSW", "%o(SP),R%d,R%m",
"0110100101ooooooommmmmnnnnnddddd", "MOVPSW", "%o(R%n),R%d,R%m",
"0110100111ooooooommmmm11111ddddd", "MOVPSW", "%o(SP)!,R%d,R%m",
"0110100111ooooooommmmmnnnnnddddd", "MOVPSW", "%o(R%n)!,R%d,R%m",
"W010100010ooooooommmmm11111ddddd", "MOVP%W", "R%d,R%m,(SP)%o!",
"W010100010ooooooommmmmnnnnnddddd", "MOVP%W", "R%d,R%m,(R%n)%o!",
"W010100100ooooooommmmm11111ddddd", "MOVP%W", "R%d,R%m,%o(SP)",
"W010100100ooooooommmmmnnnnnddddd", "MOVP%W", "R%d,R%m,%o(R%n)",
"W010100110ooooooommmmm11111ddddd", "MOVP%W", "R%d,R%m,%o(SP)!",
"W010100110ooooooommmmmnnnnnddddd", "MOVP%W", "R%d,R%m,%o(R%n)!",
"W010100011ooooooommmmm11111ddddd", "MOVP%W", "(SP)%o!,R%d,R%m",
"W010100011ooooooommmmmnnnnnddddd", "MOVP%W", "(R%n)%o!,R%d,R%m",
"W010100101ooooooommmmm11111ddddd", "MOVP%W", "%o(SP),R%d,R%m",
"W010100101ooooooommmmmnnnnnddddd", "MOVP%W", "%o(R%n),R%d,R%m",
"W010100111ooooooommmmm11111ddddd", "MOVP%W", "%o(SP)!,R%d,R%m",
"W010100111ooooooommmmmnnnnnddddd", "MOVP%W", "%o(R%n)!,R%d,R%m",
"W0010001ssIIIIIIIIIIII1111111111", "ADD%W", "$%I,SP,SP",
"W0010001ssIIIIIIIIIIII11111ddddd", "ADD%W", "$%I,SP,R%d",
"W0010001ssIIIIIIIIIIIInnnnn11111", "ADD%W", "$%I,R%n,SP",
@ -491,7 +510,8 @@ format(char *mnemonic, Instr *i, char *f)
break;
case 'o': // Signed byte offset
bprint(i, "%ld", sext(u, nbits(m)));
w = nbits(m);
bprint(i, "%ld", sext(u, w) << (w == 7 ? 2 + (i->w>>31) : 0));
break;
case 'u': // Unsigned offset
u <<= (i->w >> 30)&3;