Organize `libc64` files (#1492)

* Move qrand to libc64

* use an union to avoid type punning

* __osMalloc

* math64.c

* fixed_point.h

* sleep

* aprintf.h

* sprintf

* malloc

* use original names on aprintf.c and malloc.c

* qrand cleanup pass

* use original names of sleep.c

* og names for sprintf

* more cleanup

* format

* fixes

* whoops

* use ARRAY_COUNT again

* comment

* Use `fu`

* forgot this one

* review

* fix

* sneak a tiny cleanup

18 files changed, 63 insertions, 59 deletions

diff --git a/src/code/code_80183070.c b/src/code/code_80183070.c
index 7b84aa280..ce84e3b2b 100644
--- a/src/code/code_80183070.c
+++ b/src/code/code_80183070.c
@@ -1,7 +1,8 @@
 #include "global.h"
+#include "libc64/sleep.h"
 
 void func_80183070(void) {
     for (;;) {
-        Sleep_Msec(1000);
+        msleep(1000);
     }
 }
diff --git a/src/code/game.c b/src/code/game.c
index 237783319..0179062f4 100644
--- a/src/code/game.c
+++ b/src/code/game.c
@@ -2,7 +2,7 @@
 #include "audiomgr.h"
 #include "idle.h"
 #include "sys_cfb.h"
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 #include "z64debug_text.h"
 #include "z64rumble.h"
 #include "z64speed_meter.h"
@@ -182,7 +182,7 @@ void GameState_Realloc(GameState* gameState, size_t size) {
 
     THA_Destroy(&gameState->tha);
     GameAlloc_Free(alloc, heapStart);
-    SystemArena_GetSizes(&systemMaxFree, &bytesFree, &bytesAllocated);
+    GetFreeArena(&systemMaxFree, &bytesFree, &bytesAllocated);
     size = ((systemMaxFree - sizeof(ArenaNode)) < size) ? 0 : size;
     if (size == 0) {
         size = systemMaxFree - sizeof(ArenaNode);
diff --git a/src/code/gamealloc.c b/src/code/gamealloc.c
index a0d6f741f..58894324b 100644
--- a/src/code/gamealloc.c
+++ b/src/code/gamealloc.c
@@ -1,6 +1,6 @@
 #include "gamealloc.h"
 
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 
 void GameAlloc_Log(GameAlloc* this) {
     GameAllocEntry* iter = this->base.next;
@@ -11,7 +11,7 @@ void GameAlloc_Log(GameAlloc* this) {
 }
 
 void* GameAlloc_Malloc(GameAlloc* this, size_t size) {
-    GameAllocEntry* ptr = SystemArena_Malloc(size + sizeof(GameAllocEntry));
+    GameAllocEntry* ptr = malloc(size + sizeof(GameAllocEntry));
 
     if (ptr != NULL) {
         ptr->size = size;
@@ -34,7 +34,7 @@ void GameAlloc_Free(GameAlloc* this, void* data) {
         ptr->prev->next = ptr->next;
         ptr->next->prev = ptr->prev;
         this->head = this->base.prev;
-        SystemArena_Free(ptr);
+        free(ptr);
     }
 }
 
@@ -45,7 +45,7 @@ void GameAlloc_Cleanup(GameAlloc* this) {
     while (&this->base != next) {
         cur = next;
         next = next->next;
-        SystemArena_Free(cur);
+        free(cur);
     }
 
     this->head = &this->base;
diff --git a/src/code/graph.c b/src/code/graph.c
index 004659f34..d9264d9b4 100644
--- a/src/code/graph.c
+++ b/src/code/graph.c
@@ -16,7 +16,7 @@ OSTime sGraphPrevUpdateEndTime;
 #include "buffers.h"
 #include "idle.h"
 #include "sys_cfb.h"
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 #include "z64speed_meter.h"
 #include "overlays/gamestates/ovl_daytelop/z_daytelop.h"
 #include "overlays/gamestates/ovl_file_choose/z_file_select.h"
@@ -341,13 +341,12 @@ void Graph_ThreadEntry(void* arg) {
     u32 size;
     s32 pad[2];
 
-    gZBufferLoRes = SystemArena_Malloc(sizeof(*gZBufferLoRes) + sizeof(*gWorkBufferLoRes) + 64 - 1);
+    gZBufferLoRes = malloc(sizeof(*gZBufferLoRes) + sizeof(*gWorkBufferLoRes) + 64 - 1);
     gZBufferLoRes = (void*)ALIGN64((u32)gZBufferLoRes);
 
     gWorkBufferLoRes = (void*)((u8*)gZBufferLoRes + sizeof(*gZBufferLoRes));
 
-    gGfxSPTaskOutputBufferHiRes = gGfxSPTaskOutputBufferLoRes =
-        SystemArena_Malloc(sizeof(*gGfxSPTaskOutputBufferLoRes));
+    gGfxSPTaskOutputBufferHiRes = gGfxSPTaskOutputBufferLoRes = malloc(sizeof(*gGfxSPTaskOutputBufferLoRes));
 
     gGfxSPTaskOutputBufferEndLoRes = (u8*)gGfxSPTaskOutputBufferLoRes + sizeof(*gGfxSPTaskOutputBufferLoRes);
     gGfxSPTaskOutputBufferEndHiRes = (u8*)gGfxSPTaskOutputBufferHiRes + sizeof(*gGfxSPTaskOutputBufferHiRes);
@@ -365,7 +364,7 @@ void Graph_ThreadEntry(void* arg) {
 
         func_800809F4(ovl->vromStart);
 
-        gameState = SystemArena_Malloc(size);
+        gameState = malloc(size);
 
         bzero(gameState, size);
         GameState_Init(gameState, ovl->init, &gfxCtx);
@@ -379,7 +378,7 @@ void Graph_ThreadEntry(void* arg) {
         if (size) {}
 
         GameState_Destroy(gameState);
-        SystemArena_Free(gameState);
+        free(gameState);
 
         Overlay_FreeGameState(ovl);
     }
diff --git a/src/code/listalloc.c b/src/code/listalloc.c
index ba346d954..e6b62eef5 100644
--- a/src/code/listalloc.c
+++ b/src/code/listalloc.c
@@ -1,5 +1,5 @@
 #include "listalloc.h"
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 
 ListAlloc* ListAlloc_Init(ListAlloc* this) {
     this->prev = NULL;
@@ -8,7 +8,7 @@ ListAlloc* ListAlloc_Init(ListAlloc* this) {
 }
 
 void* ListAlloc_Alloc(ListAlloc* this, size_t size) {
-    ListAlloc* ptr = SystemArena_Malloc(size + sizeof(ListAlloc));
+    ListAlloc* ptr = malloc(size + sizeof(ListAlloc));
     ListAlloc* next;
 
     if (ptr == NULL) {
@@ -50,7 +50,7 @@ void ListAlloc_Free(ListAlloc* this, void* data) {
         this->next = ptr->prev;
     }
 
-    SystemArena_Free(ptr);
+    free(ptr);
 }
 
 void ListAlloc_FreeAll(ListAlloc* this) {
diff --git a/src/code/padmgr.c b/src/code/padmgr.c
index 230102459..9faf232fc 100644
--- a/src/code/padmgr.c
+++ b/src/code/padmgr.c
@@ -34,6 +34,7 @@
 #include "global.h"
 #include "PR/controller.h"
 #include "PR/os_motor.h"
+#include "libc64/sprintf.h"
 #include "fault.h"
 #include "z64voice.h"
 
diff --git a/src/code/sched.c b/src/code/sched.c
index c7fb5a495..7b4a0b920 100644
--- a/src/code/sched.c
+++ b/src/code/sched.c
@@ -1,5 +1,6 @@
 #include "fault.h"
 #include "idle.h"
+#include "libc64/sleep.h"
 #include "z64.h"
 
 // Variables are put before most headers as a hacky way to bypass bss reordering
@@ -87,7 +88,7 @@ void Sched_HandleAudioCancel(SchedContext* sched) {
                     osSyncPrintf("AUDIO SP止まりませんでした(10msタイムアウト)\n");
                     goto send_mesg;
                 }
-                Sleep_Usec(100);
+                usleep(100);
             }
             // AUDIO SP stopped (% d * 100us)
             osSyncPrintf("AUDIO SP止まりました(%d * 100us)\n", i);
@@ -150,7 +151,7 @@ void Sched_HandleGfxCancel(SchedContext* sched) {
                     osSyncPrintf("GRAPH SP止まりませんでした(10msタイムアウト)\n");
                     goto send_mesg;
                 }
-                Sleep_Usec(100);
+                usleep(100);
             }
             // GRAPH SP stopped (%d * 100us)
             osSyncPrintf("GRAPH SP止まりました(%d * 100us)\n", i);
diff --git a/src/code/speed_meter.c b/src/code/speed_meter.c
index 894127f2c..e82fb2975 100644
--- a/src/code/speed_meter.c
+++ b/src/code/speed_meter.c
@@ -4,7 +4,7 @@
 #include "gfx.h"
 #include "regs.h"
 #include "sys_cfb.h"
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 #include "z64game.h"
 #include "z64malloc.h"
 #include "z64view.h"
@@ -240,7 +240,7 @@ void SpeedMeter_DrawAllocEntries(SpeedMeter* meter, GraphicsContext* gfxCtx, Gam
     }
 
     if (R_ENABLE_ARENA_DBG > 1) {
-        SystemArena_GetSizes((size_t*)&sysFreeMax, (size_t*)&sysFree, (size_t*)&sysAlloc);
+        GetFreeArena((size_t*)&sysFreeMax, (size_t*)&sysFree, (size_t*)&sysAlloc);
         SpeedMeter_InitAllocEntry(&entry, sysFree + sysAlloc - state->tha.size, sysAlloc - state->tha.size,
                                   GPACK_RGBA5551(0, 0, 255, 1), GPACK_RGBA5551(255, 128, 128, 1), ulx, lrx, y, y);
         SpeedMeter_DrawAllocEntry(&entry, gfxCtx);
diff --git a/src/code/sys_cfb.c b/src/code/sys_cfb.c
index b559a44ee..71da5e73d 100644
--- a/src/code/sys_cfb.c
+++ b/src/code/sys_cfb.c
@@ -38,7 +38,7 @@ u8 gSysCfbHiResEnabled;
 #include "sys_cfb.h"
 #include "libc/stdbool.h"
 #include "buffers.h"
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 #include "z64vimode.h"
 
 void SysCfb_SetLoResMode(void) {
diff --git a/src/code/sys_cmpdma.c b/src/code/sys_cmpdma.c
index 9e1a66d2e..71d92c187 100644
--- a/src/code/sys_cmpdma.c
+++ b/src/code/sys_cmpdma.c
@@ -1,5 +1,5 @@
 #include "global.h"
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 
 typedef struct {
     /* 0x0 */ union {
@@ -83,11 +83,11 @@ void CmpDma_LoadFileImpl(uintptr_t segmentRom, s32 id, void* dst, size_t size) {
 
     CmpDma_GetFileInfo(segmentRom, id, &romStart, &compressedSize, &flag);
     if (flag & 1) {
-        void* tempBuf = SystemArena_Malloc(0x1000);
+        void* tempBuf = malloc(0x1000);
 
         CmpDma_Decompress(romStart, compressedSize, tempBuf);
         func_80178AC0(tempBuf, dst, size);
-        SystemArena_Free(tempBuf);
+        free(tempBuf);
     } else {
         CmpDma_Decompress(romStart, compressedSize, dst);
     }
diff --git a/src/code/sys_flashrom.c b/src/code/sys_flashrom.c
index 5ebc5dcba..7ba8f219c 100644
--- a/src/code/sys_flashrom.c
+++ b/src/code/sys_flashrom.c
@@ -3,7 +3,7 @@
 #include "fault.h"
 #include "stack.h"
 #include "stackcheck.h"
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 #include "z64thread.h"
 #include "sys_flashrom.h"
 #include "PR/os_internal_flash.h"
@@ -172,7 +172,7 @@ s32 SysFlashrom_WriteData(void* addr, u32 pageNum, u32 pageCount) {
         return -1;
     }
     size = pageCount * FLASH_BLOCK_SIZE;
-    data = SystemArena_Malloc(size);
+    data = malloc(size);
     if (data == NULL) {
         ret = SysFlashrom_AttemptWrite(addr, pageNum, pageCount);
     } else {
@@ -195,7 +195,7 @@ s32 SysFlashrom_WriteData(void* addr, u32 pageNum, u32 pageCount) {
                 }
             }
         }
-        SystemArena_Free(data);
+        free(data);
     }
     return ret;
 }
diff --git a/src/code/z_DLF.c b/src/code/z_DLF.c
index e71339bbb..1e03cead7 100644
--- a/src/code/z_DLF.c
+++ b/src/code/z_DLF.c
@@ -1,5 +1,5 @@
 #include "global.h"
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 #include "loadfragment.h"
 
 void Overlay_LoadGameState(GameStateOverlay* overlayEntry) {
@@ -89,7 +89,7 @@ void Overlay_FreeGameState(GameStateOverlay* overlayEntry) {
                                                                                (uintptr_t)overlayEntry->loadedRamAddr))
                                                           : NULL);
 
-            SystemArena_Free(overlayEntry->loadedRamAddr);
+            free(overlayEntry->loadedRamAddr);
             overlayEntry->loadedRamAddr = NULL;
         }
     }
diff --git a/src/code/z_bgcheck.c b/src/code/z_bgcheck.c
index d16102567..931698482 100644
--- a/src/code/z_bgcheck.c
+++ b/src/code/z_bgcheck.c
@@ -1,7 +1,8 @@
 #include "prevent_bss_reordering.h"
 #include "global.h"
 #include "fault.h"
-#include "fixed_point.h"
+#include "libc64/fixed_point.h"
+#include "libc64/sprintf.h"
 #include "vt.h"
 #include "overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_scope.h"
 
diff --git a/src/code/z_debug.c b/src/code/z_debug.c
index 058d896a4..b22709fa7 100644
--- a/src/code/z_debug.c
+++ b/src/code/z_debug.c
@@ -1,5 +1,5 @@
 #include "regs.h"
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 #include "macros.h"
 
 RegEditor* gRegEditor;
@@ -7,7 +7,7 @@ RegEditor* gRegEditor;
 void Regs_Init(void) {
     s32 i;
 
-    gRegEditor = SystemArena_Malloc(sizeof(RegEditor));
+    gRegEditor = malloc(sizeof(RegEditor));
     if (1) {}
     gRegEditor->regPage = 0;
     gRegEditor->regGroup = 0;
diff --git a/src/code/z_fbdemo.c b/src/code/z_fbdemo.c
index 6ad5f7a6c..b0edfb0b7 100644
--- a/src/code/z_fbdemo.c
+++ b/src/code/z_fbdemo.c
@@ -12,8 +12,9 @@
 
 #include "z64transition.h"
 
-#include "global.h"
-#include "system_malloc.h"
+#include "libc64/sleep.h"
+#include "libc64/malloc.h"
+#include "macros.h"
 
 Gfx sTransTileSetupDL[] = {
     gsDPPipeSync(),
@@ -103,22 +104,22 @@ void TransitionTile_InitVtxData(TransitionTile* this) {
 }
 
 void TransitionTile_Destroy(TransitionTile* this) {
-    Sleep_Msec(100);
+    msleep(100);
 
     if (this->vtxData != NULL) {
-        SystemArena_Free(this->vtxData);
+        free(this->vtxData);
         this->vtxData = NULL;
     }
     if (this->vtxFrame1 != NULL) {
-        SystemArena_Free(this->vtxFrame1);
+        free(this->vtxFrame1);
         this->vtxFrame1 = NULL;
     }
     if (this->vtxFrame2 != NULL) {
-        SystemArena_Free(this->vtxFrame2);
+        free(this->vtxFrame2);
         this->vtxFrame2 = NULL;
     }
     if (this->gfx != NULL) {
-        SystemArena_Free(this->gfx);
+        free(this->gfx);
         this->gfx = NULL;
     }
 }
@@ -131,26 +132,26 @@ TransitionTile* TransitionTile_Init(TransitionTile* this, s32 cols, s32 rows) {
     this->cols = cols;
     this->rows = rows;
     gridSize = (cols + 1) * (rows + 1);
-    this->vtxData = SystemArena_Malloc(gridSize * sizeof(TransitionTileVtxData));
-    this->vtxFrame1 = SystemArena_Malloc(gridSize * sizeof(Vtx));
-    this->vtxFrame2 = SystemArena_Malloc(gridSize * sizeof(Vtx));
-    this->gfx = SystemArena_Malloc(((cols * 9 + 1) * rows + 2) * sizeof(Gfx));
+    this->vtxData = malloc(gridSize * sizeof(TransitionTileVtxData));
+    this->vtxFrame1 = malloc(gridSize * sizeof(Vtx));
+    this->vtxFrame2 = malloc(gridSize * sizeof(Vtx));
+    this->gfx = malloc(((cols * 9 + 1) * rows + 2) * sizeof(Gfx));
 
     if ((this->vtxData == NULL) || (this->vtxFrame1 == NULL) || (this->vtxFrame2 == NULL) || (this->gfx == NULL)) {
         if (this->vtxData != NULL) {
-            SystemArena_Free(this->vtxData);
+            free(this->vtxData);
             this->vtxData = NULL;
         }
         if (this->vtxFrame1 != NULL) {
-            SystemArena_Free(this->vtxFrame1);
+            free(this->vtxFrame1);
             this->vtxFrame1 = NULL;
         }
         if (this->vtxFrame2 != NULL) {
-            SystemArena_Free(this->vtxFrame2);
+            free(this->vtxFrame2);
             this->vtxFrame2 = NULL;
         }
         if (this->gfx != NULL) {
-            SystemArena_Free(this->gfx);
+            free(this->gfx);
             this->gfx = NULL;
         }
         return NULL;
diff --git a/src/code/z_kankyo.c b/src/code/z_kankyo.c
index 84acb9c64..894daa37f 100644
--- a/src/code/z_kankyo.c
+++ b/src/code/z_kankyo.c
@@ -3226,16 +3226,16 @@ void Environment_DrawSkyboxStarsImpl(PlayState* play, Gfx** gfxP) {
 
             // temp_f4 = Rand_ZeroOne_Variable(&randInt);
             randInt = (randInt * RAND_MULTIPLIER) + RAND_INCREMENT;
-            gRandFloat = (randInt >> 9) | 0x3F800000;
-            temp = *((f32*)&gRandFloat);
+            gRandFloat.i = (randInt >> 9) | 0x3F800000;
+            temp = gRandFloat.f;
             temp_f4 = temp - 1.0f;
 
             // temp_f20 = Rand_ZeroOne_Variable(&randInt);
             randInt = (randInt * RAND_MULTIPLIER) + RAND_INCREMENT;
-            gRandFloat = (randInt >> 9) | 0x3F800000;
-            temp_f20 = ((*((f32*)&gRandFloat) - 1.0f) + temp_f4) * 0.5f;
+            gRandFloat.i = (randInt >> 9) | 0x3F800000;
+            temp_f20 = ((gRandFloat.f - 1.0f) + temp_f4) * 0.5f;
 
-            // randInt = Rand_Next_Variable(&randInt);
+            // Rand_Next_Variable(&randInt);
             randInt = (randInt * RAND_MULTIPLIER) + RAND_INCREMENT;
 
             // Set random position
@@ -3245,8 +3245,8 @@ void Environment_DrawSkyboxStarsImpl(PlayState* play, Gfx** gfxP) {
 
             // temp_f2 = Rand_ZeroOne_Variable(&randInt);
             randInt = (randInt * RAND_MULTIPLIER) + RAND_INCREMENT;
-            gRandFloat = ((randInt >> 9) | 0x3F800000);
-            temp_f2 = *((f32*)&gRandFloat) - 1.0f;
+            gRandFloat.i = ((randInt >> 9) | 0x3F800000);
+            temp_f2 = gRandFloat.f - 1.0f;
 
             // Set random width
             imgWidth = (u32)((SQ(temp_f2) * 8.0f) + 2.0f);
diff --git a/src/code/z_malloc.c b/src/code/z_malloc.c
index 80d7fc7af..f54d8f516 100644
--- a/src/code/z_malloc.c
+++ b/src/code/z_malloc.c
@@ -1,6 +1,6 @@
 #include "z64malloc.h"
 
-#include "os_malloc.h"
+#include "libc64/os_malloc.h"
 
 Arena sZeldaArena;
 
diff --git a/src/code/z_vismono.c b/src/code/z_vismono.c
index 86937c315..d4c462fc4 100644
--- a/src/code/z_vismono.c
+++ b/src/code/z_vismono.c
@@ -5,7 +5,7 @@
 
 #include "global.h"
 #include "z64vismono.h"
-#include "system_malloc.h"
+#include "libc64/malloc.h"
 
 // Height of the fragments the color frame buffer (CFB) is split into.
 // It is the maximum amount of lines such that all rgba16 SCREEN_WIDTH-long lines fit into
@@ -39,7 +39,7 @@ void VisMono_Init(VisMono* this) {
 }
 
 void VisMono_Destroy(VisMono* this) {
-    SystemArena_Free(this->dList);
+    free(this->dList);
 }
 
 void VisMono_DesaturateTLUT(u16* tlut) {
@@ -169,12 +169,12 @@ void VisMono_Draw(VisMono* this, Gfx** gfxp) {
 
 void VisMono_DrawOld(VisMono* this) {
     if (this->tlut == NULL) {
-        this->tlut = SystemArena_Malloc(256 * G_IM_SIZ_16b_BYTES);
+        this->tlut = malloc(256 * G_IM_SIZ_16b_BYTES);
         VisMono_DesaturateTLUT(this->tlut);
     }
 
     if (this->dList == NULL) {
-        this->dList = SystemArena_Malloc(VISMONO_DLSIZE * sizeof(Gfx));
+        this->dList = malloc(VISMONO_DLSIZE * sizeof(Gfx));
         VisMono_DesaturateDList(this->dList);
     }
 }