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feat: fake the pipeline less

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-07-02 10:09:25 -03:00
parent 446b5f6aea
commit 74f1fbc8fd
3 changed files with 12 additions and 10 deletions
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10
src/cpu/arm/block_data_transfer.zig
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@@ -86,8 +86,14 @@ pub fn blockDataTransfer(comptime P: bool, comptime U: bool, comptime S: bool, c
cpu.setUserModeRegister(i, bus.read(u32, address));
} else {
const value = bus.read(u32, address);
cpu.r[i] = if (i == 0xF) value & 0xFFFF_FFFC else value;
if (S and i == 0xF) cpu.setCpsr(cpu.spsr.raw);
cpu.r[i] = value;
if (i == 0xF) {
cpu.r[i] &= ~@as(u32, 3); // Align r15
cpu.pipe.flush();
if (S) cpu.setCpsr(cpu.spsr.raw);
}
}
} else {
if (S) {