Function OSDisableInterrupts

src/dolphin/src/os/OSInterrupt.c:27–79

};

asm BOOL OSDisableInterrupts(void)
{
    // clang-format off
    nofralloc
entry    __RAS_OSDisableInterrupts_begin
    mfmsr   r3
    rlwinm  r4, r3, 0, 17, 15
    mtmsr   r4
entry    __RAS_OSDisableInterrupts_end
    rlwinm  r3, r3, 17, 31, 31
    blr
    // clang-format on
}
asm BOOL OSEnableInterrupts(void)
{
    // clang-format off
    nofralloc

    mfmsr   r3
    ori     r4, r3, 0x8000
    mtmsr   r4
    rlwinm  r3, r3, 17, 31, 31
    blr
    // clang-format on
}

asm BOOL OSRestoreInterrupts(register BOOL level){
    // clang-format off

    nofralloc

    cmpwi   level, 0
    mfmsr   r4
    beq     _disable
    ori     r5, r4, 0x8000
    b       _restore
_disable:
    rlwinm  r5, r4, 0, 17, 15
_restore:
    mtmsr   r5
    rlwinm  r3, r4, 17, 31, 31
    blr
    // clang-format on
}

__OSInterruptHandler __OSSetInterruptHandler(__OSInterrupt interrupt, __OSInterruptHandler handler)
{
    __OSInterruptHandler oldHandler;

    oldHandler = InterruptHandlerTable[interrupt];
    InterruptHandlerTable[interrupt] = handler;
    return oldHandler;
}

__OSInterruptHandler __OSGetInterruptHandler(__OSInterrupt interrupt)
{