diff --git a/src/boot_O2_g3/boot_main.c b/src/boot_O2_g3/boot_main.c
index 9bcdcca0cd..81daac81cc 100644
--- a/src/boot_O2_g3/boot_main.c
+++ b/src/boot_O2_g3/boot_main.c
@@ -2,13 +2,13 @@
 #include <global.h>
 
 void bootproc(void) {
-    StackCheck_Init(&sBootThreadInfo, (u32)sBootThreadStack, (u32)&sBootThreadStack[1024], 0, -1, "boot");
+    StackCheck_Init(&sBootThreadInfo, sBootThreadStack, &sBootThreadStack[1024], 0, -1, "boot");
     osMemSize = osGetMemSize();
     func_800818F4();
     osInitialize();
     osUnmapTLBAll();
     gCartHandle = osCartRomInit();
-    StackCheck_Init(&sIdleThreadInfo, (u32)sIdleThreadStack, (u32)&sIdleThreadStack[1024], 0, 256, "idle");
+    StackCheck_Init(&sIdleThreadInfo, sIdleThreadStack, &sIdleThreadStack[1024], 0, 256, "idle");
     osCreateThread(&sIdleThread, 1, (osCreateThread_func)Idle_ThreadEntry, 0, &sIdleThreadStack[1024], 12);
     osStartThread(&sIdleThread);
 }
diff --git a/src/boot_O2_g3/idle.c b/src/boot_O2_g3/idle.c
index 6202df871e..02a3ad68e7 100644
--- a/src/boot_O2_g3/idle.c
+++ b/src/boot_O2_g3/idle.c
@@ -69,7 +69,7 @@ GLOBAL_ASM("./asm/non_matchings/idle/Idle_InitCodeAndMemory.asm")
 #endif
 
 void Main_ThreadEntry(void* arg) {
-    StackCheck_Init(&irqmgrStackEntry, (u32)&irqmgrStack, (u32)&irqmgrStack[1280], 0, 256, "irqmgr");
+    StackCheck_Init(&irqmgrStackEntry, &irqmgrStack, &irqmgrStack[1280], 0, 256, "irqmgr");
     IrqMgr_Create(&irqmgrContext, &irqmgrStackEntry, 18, 1);
     Dmamgr_Start();
     Idle_InitCodeAndMemory();
@@ -106,7 +106,7 @@ void func_8008038C(void) {
 void Idle_ThreadEntry(void* arg) {
     func_8008038C();
     osCreatePiManager(150, &D_8009B228, D_8009B160, 50);
-    StackCheck_Init(&mainStackEntry, (u32)&mainStack, (u32)&mainStack[2304], 0, 1024, "main");
+    StackCheck_Init(&mainStackEntry, &mainStack, &mainStack[2304], 0, 1024, "main");
     osCreateThread(&mainOSThread, 3, (osCreateThread_func)Main_ThreadEntry, arg, &mainStack[2304], 12);
     osStartThread(&mainOSThread);
     osSetThreadPri(NULL, 0);
diff --git a/src/boot_O2_g3/z_std_dma.c b/src/boot_O2_g3/z_std_dma.c
index 56dcefc401..692c446073 100644
--- a/src/boot_O2_g3/z_std_dma.c
+++ b/src/boot_O2_g3/z_std_dma.c
@@ -165,7 +165,7 @@ s32 DmaMgr_SendRequestImpl(DmaRequest* request, u32 vramStart, u32 vromStart, u3
     }
 
     request->vromStart = vromStart;
-    request->dramAddr = vramStart;
+    request->dramAddr = (void*)vramStart;
     request->size = size;
     request->unk14 = 0;
     request->notifyQueue = callback;
@@ -208,7 +208,7 @@ void Dmamgr_Start() {
 
 	osCreateMesgQueue(&dmamgrMsq, dmamgrMsqMessages, 32);
 
-	StackCheck_Init(&dmamgrStackEntry, (u32)&dmamgrStack, (u32)&dmamgrStack[1280], 0, 256, dmamgrThreadName);
+	StackCheck_Init(&dmamgrStackEntry, &dmamgrStack, &dmamgrStack[1280], 0, 256, dmamgrThreadName);
 
 	osCreateThread(&dmamgrOSThread, 18, Dmamgr_ThreadEntry, NULL, &dmamgrStack[1280], 17);