From 5bf13c7f48fe91c7902ce50250bc1a5a2398a2ae Mon Sep 17 00:00:00 2001
From: red031000 <rubenru09@aol.com>
Date: Fri, 23 Jul 2021 01:11:15 +0100
Subject: separate out libs to libc, libnns and NitroSDK

---
 arm9/lib/src/OS_vramExclusive.c | 88 -----------------------------------------
 1 file changed, 88 deletions(-)
 delete mode 100644 arm9/lib/src/OS_vramExclusive.c

(limited to 'arm9/lib/src/OS_vramExclusive.c')

diff --git a/arm9/lib/src/OS_vramExclusive.c b/arm9/lib/src/OS_vramExclusive.c
deleted file mode 100644
index 5ce10f4a..00000000
--- a/arm9/lib/src/OS_vramExclusive.c
+++ /dev/null
@@ -1,88 +0,0 @@
-#include "OS_vramExclusive.h"
-#include "function_target.h"
-#include "OS_system.h"
-
-static u32 OSi_vramExclusive;
-static u16 OSi_vramLockId[9];
-
-static u32 OsCountZeroBits(register u32 bitmap);
-
-ARM_FUNC static asm u32 OsCountZeroBits(register u32 bitmap)
-{
-    clz r0, r0
-    bx lr
-}
-
-ARM_FUNC void OSi_InitVramExclusive(void)
-{
-    OSi_vramExclusive = 0x0000;
-
-    for (s32 i = 0; i < 9; i++)
-    {
-        OSi_vramLockId[i] = 0;
-    }
-}
-
-ARM_FUNC BOOL OSi_TryLockVram(u16 bank, u16 lockId)
-{
-    u32 workMap;
-    s32 zeroBits;
-    OSIntrMode enabled = OS_DisableInterrupts();
-
-    workMap = (u32)(bank & OSi_vramExclusive);
-    while (TRUE)
-    {
-        zeroBits = (s32)(31 - OsCountZeroBits(workMap));
-        if (zeroBits < 0)
-        {
-            break;
-        }
-        workMap &= ~(0x00000001 << zeroBits);
-        if (OSi_vramLockId[zeroBits] != lockId)
-        {
-            (void)OS_RestoreInterrupts(enabled);
-            return FALSE;
-        }
-    }
-
-    workMap = (u32)(bank & 0x01ff);
-    while (TRUE)
-    {
-        zeroBits = (s32)(31 - OsCountZeroBits(workMap));
-        if (zeroBits < 0)
-        {
-            break;
-        }
-        workMap &= ~(0x00000001 << zeroBits);
-        OSi_vramLockId[zeroBits] = lockId;
-        OSi_vramExclusive |= (0x00000001 << zeroBits);
-    }
-
-    (void)OS_RestoreInterrupts(enabled);
-    return TRUE;
-}
-
-ARM_FUNC void OSi_UnlockVram(u16 bank, u16 lockId)
-{
-    u32 workMap;
-    s32 zeroBits;
-    OSIntrMode enabled = OS_DisableInterrupts();
-
-    workMap = (u32)(bank & OSi_vramExclusive & 0x01ff);
-    while (TRUE)
-    {
-        zeroBits = (s32)(31- OsCountZeroBits((u32)workMap));
-        if (zeroBits < 0)
-        {
-            break;
-        }
-        workMap &= ~(0x00000001 << zeroBits);
-        if (OSi_vramLockId[zeroBits] == lockId)
-        {
-            OSi_vramLockId[zeroBits] = 0;
-            OSi_vramExclusive &= ~(0x00000001 << zeroBits);
-        }
-    }
-
-    (void)OS_RestoreInterrupts(enabled);
-}
-- 
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