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feat(v5te): stub THUMB BKPT

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This commit is contained in:
Rekai Nyangadzayi Musuka
2023-09-19 23:15:04 -05:00
parent 3c5d4acc5f
commit 502647806c
2 changed files with 22 additions and 7 deletions
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19
src/arm/v5te.zig
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@@ -212,13 +212,18 @@ pub const thumb = struct {
const rd = i >> 2 & 0x7;
break :blk processing.fmt12(InstrFn, isSP, rd);
},
0b011 => if (i >> 4 & 1 == 1) blk: {
const L = i >> 5 & 1 == 1;
const R = i >> 2 & 1 == 1;
break :blk block_transfer.fmt14(InstrFn, L, R);
} else blk: {
const S = i >> 1 & 1 == 1;
break :blk processing.fmt13(InstrFn, S);
0b011 => switch (@as(u2, @truncate(i >> 3 & 0x3))) {
0b10 => blk: {
// PUSH / POP
const L = i >> 5 & 1 == 1;
const R = i >> 2 & 1 == 1;
break :blk block_transfer.fmt14(InstrFn, L, R);
},
0b11 => processing.bkpt(InstrFn),
else => blk: {
const S = i >> 1 & 1 == 1;
break :blk processing.fmt13(InstrFn, S);
},
},
0b100 => blk: {
const L = i >> 5 & 1 == 1;