diff options
Diffstat (limited to 'arm9/asm/OS_protectionUnit.s')
| -rw-r--r-- | arm9/asm/OS_protectionUnit.s | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arm9/asm/OS_protectionUnit.s b/arm9/asm/OS_protectionUnit.s new file mode 100644 index 00000000..c26f86ba --- /dev/null +++ b/arm9/asm/OS_protectionUnit.s @@ -0,0 +1,18 @@ + .include "asm/macros.inc" + .include "global.inc" + + .text + + arm_func_start OS_EnableProtectionUnit +OS_EnableProtectionUnit: ; 0x020CC9B8 + mrc p15, 0x0, r0, c1, c0, 0x0 + orr r0, r0, #0x1 + mcr p15, 0x0, r0, c1, c0, 0x0 + bx lr + + arm_func_start OS_DisableProtectionUnit +OS_DisableProtectionUnit: ; 0x020CC9C8 + mrc p15, 0x0, r0, c1, c0, 0x0 + bic r0, r0, #0x1 + mcr p15, 0x0, r0, c1, c0, 0x0 + bx lr |