annotate MCR and MRC

1 files changed, 4 insertions, 8 deletions

diff --git a/arm9/lib/src/OS_protectionRegion.c b/arm9/lib/src/OS_protectionRegion.c
index 4d6cf974..4b8d8297 100644
--- a/arm9/lib/src/OS_protectionRegion.c
+++ b/arm9/lib/src/OS_protectionRegion.c
@@ -1,27 +1,23 @@
-//
-// Created by red031000 on 2020-04-24.
-//
-
 #include "function_target.h"
 #include "OS_protectionRegion.h"
 
 ARM_FUNC asm void OS_SetDPermissionsForProtectionRegion(register u32 setMask, register u32 flags)
 {
-    mrc p15, 0x0, r2, c5, c0, 0x2
+    mrc p15, 0x0, r2, c5, c0, 0x2 //Extended Access Permission Data Protection Region
     bic r2, r2, r0
     orr r2, r2, r1
-    mcr p15, 0x0, r2, c5, c0, 0x2
+    mcr p15, 0x0, r2, c5, c0, 0x2 //Extended Access Permission Data Protection Region
     bx lr
 }
 
 ARM_FUNC asm void OS_SetProtectionRegion1(u32 param)
 {
-    mcr p15, 0x0, r0, c6, c1, 0x0
+    mcr p15, 0x0, r0, c6, c1, 0x0 //Protection Unit Data Region 1
     bx lr
 }
 
 ARM_FUNC asm void OS_SetProtectionRegion2(u32 param)
 {
-    mcr p15, 0x0, r0, c6, c2, 0x0
+    mcr p15, 0x0, r0, c6, c2, 0x0 //Protection Unit Data Region 2
     bx lr
 }