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-rw-r--r--arm9/lib/include/OS_irqTable.h6
-rw-r--r--arm9/lib/include/OS_mutex.h7
-rw-r--r--arm9/lib/include/mmap.h3
-rw-r--r--arm9/lib/src/OS_mutex.c142
-rw-r--r--arm9/lib/src/SND_bank.c2
-rw-r--r--arm9/lib/src/SND_main.c5
6 files changed, 152 insertions, 13 deletions
diff --git a/arm9/lib/include/OS_irqTable.h b/arm9/lib/include/OS_irqTable.h
index 8cd7b7b3..10165a11 100644
--- a/arm9/lib/include/OS_irqTable.h
+++ b/arm9/lib/include/OS_irqTable.h
@@ -1,5 +1,5 @@
-#ifndef POKEDIAMOND_OS_IRQTABLE_H
-#define POKEDIAMOND_OS_IRQTABLE_H
+#ifndef POKEDIAMOND_ARM9_OS_IRQTABLE_H
+#define POKEDIAMOND_ARM9_OS_IRQTABLE_H
#include "consts.h"
#include "OS_interrupt.h"
@@ -20,4 +20,4 @@ static inline void OS_SetIrqCheckFlag(OSIrqMask intr)
*(vu32 *)HW_INTR_CHECK_BUF |= (u32)intr;
}
-#endif //POKEDIAMOND_OS_IRQTABLE_H
+#endif //POKEDIAMOND_ARM9_OS_IRQTABLE_H
diff --git a/arm9/lib/include/OS_mutex.h b/arm9/lib/include/OS_mutex.h
index 9da89c69..23e4337e 100644
--- a/arm9/lib/include/OS_mutex.h
+++ b/arm9/lib/include/OS_mutex.h
@@ -4,7 +4,14 @@
#include "OS_thread.h"
#include "OS_context.h"
#include "nitro/OS_mutex_shared.h"
+#include "nitro/types.h"
+void OS_InitMutex(OSMutex *mutex);
+void OS_LockMutex(OSMutex *mutex);
+void OS_UnlockMutex(OSMutex *mutex);
void OSi_UnlockAllMutex(OSThread * thread);
+BOOL OS_TryLockMutex(OSMutex *mutex);
+void OSi_EnqueueTail(OSThread *thread, OSMutex *mutex);
+void OSi_DequeueItem(OSThread *thread, OSMutex *mutex);
#endif //POKEDIAMOND_ARM9_OS_MUTEX_H
diff --git a/arm9/lib/include/mmap.h b/arm9/lib/include/mmap.h
index 143b609b..8b30ffc8 100644
--- a/arm9/lib/include/mmap.h
+++ b/arm9/lib/include/mmap.h
@@ -32,7 +32,6 @@ extern u32 SDK_AUTOLOAD_DTCM_START[];
#define HW_MAIN_MEM_EX_END (HW_MAIN_MEM + HW_MAIN_MEM_EX_SIZE)
#define HW_MAIN_MEM_SHARED (HW_MAIN_MEM_EX_END - HW_MAIN_MEM_SHARED_SIZE)
#define HW_DTCM_SVC_STACK_END (HW_DTCM + 0x00003fc0)
-#define HW_SVC_STACK_SIZE 0x00000040
#define HW_DTCM_SVC_STACK (HW_DTCM_SVC_STACK_END - HW_SVC_STACK_SIZE)
#define HW_DTCM_IRQ_STACK_END (HW_DTCM_SVC_STACK)
@@ -49,8 +48,6 @@ extern u32 SDK_AUTOLOAD_DTCM_START[];
#define HW_SHARED_LOCK_BUF (HW_MAIN_MEM + 0x007fffc0)
#define HW_CARD_LOCK_BUF (HW_MAIN_MEM + 0x007fffe0)
-#define HW_BUTTON_XY_BUF (HW_MAIN_MEM + 0x007fffa8)
-
#define OSi_MAIN_ARENA_HI_DEFAULT (HW_MAIN_MEM_MAIN_END)
#define OSi_MAINEX_ARENA_HI_DEFAULT (HW_MAIN_MEM + HW_MAIN_MEM_DEBUGGER_OFFSET)
#define HW_ITCM_ARENA_HI_DEFAULT (HW_ITCM + HW_ITCM_SIZE)
diff --git a/arm9/lib/src/OS_mutex.c b/arm9/lib/src/OS_mutex.c
new file mode 100644
index 00000000..5eb999a9
--- /dev/null
+++ b/arm9/lib/src/OS_mutex.c
@@ -0,0 +1,142 @@
+#include "nitro/types.h"
+#include "function_target.h"
+#include "OS_mutex.h"
+#include "OS_system.h"
+
+ARM_FUNC void OS_InitMutex(OSMutex *mutex)
+{
+ OS_InitThreadQueue(&mutex->queue);
+ mutex->thread = NULL;
+ mutex->count = 0;
+}
+
+ARM_FUNC void OS_LockMutex(OSMutex *mutex)
+{
+ OSIntrMode prevIntrMode = OS_DisableInterrupts();
+ OSThread *currentThread = OS_GetCurrentThread();
+
+ OSThread *ownerThread;
+ for (;;)
+ {
+ ownerThread = ((volatile OSMutex *)mutex)->thread;
+
+ if (ownerThread == NULL)
+ {
+ mutex->thread = currentThread;
+ mutex->count++;
+ OSi_EnqueueTail(currentThread, mutex);
+ break;
+ }
+ else if (ownerThread == currentThread)
+ {
+ mutex->count++;
+ break;
+ }
+ else
+ {
+ currentThread->mutex = mutex;
+ OS_SleepThread(&mutex->queue);
+ currentThread->mutex = NULL;
+ }
+ }
+
+ (void)OS_RestoreInterrupts(prevIntrMode);
+}
+
+ARM_FUNC void OS_UnlockMutex(OSMutex *mutex)
+{
+ OSIntrMode prevIntrMode = OS_DisableInterrupts();
+ OSThread *currentThread = OS_GetCurrentThread();
+
+ if (mutex->thread == currentThread && --mutex->count == 0)
+ {
+ OSi_DequeueItem(currentThread, mutex);
+ mutex->thread = NULL;
+
+ OS_WakeupThread(&mutex->queue);
+ }
+
+ (void)OS_RestoreInterrupts(prevIntrMode);
+}
+
+ARM_FUNC void OSi_UnlockAllMutex(OSThread *thread)
+{
+ OSMutex *mutex;
+ while (thread->mutexQueue.head)
+ {
+ mutex = OSi_RemoveMutexLinkFromQueue(&thread->mutexQueue);
+
+ mutex->count = 0;
+ mutex->thread = NULL;
+ OS_WakeupThread(&mutex->queue);
+ }
+}
+
+ARM_FUNC BOOL OS_TryLockMutex(OSMutex *mutex)
+{
+ OSIntrMode prevIntrMode = OS_DisableInterrupts();
+ OSThread *currentThread = OS_GetCurrentThread();
+ BOOL locked;
+
+ if (mutex->thread == NULL)
+ {
+ mutex->thread = currentThread;
+ mutex->count++;
+ OSi_EnqueueTail(currentThread, mutex);
+ locked = TRUE;
+ }
+ else if (mutex->thread == currentThread)
+ {
+ mutex->count++;
+ locked = TRUE;
+ }
+ else
+ {
+ locked = FALSE;
+ }
+
+ (void)OS_RestoreInterrupts(prevIntrMode);
+ return locked;
+}
+
+ARM_FUNC void OSi_EnqueueTail(OSThread *thread, OSMutex *mutex)
+{
+ OSMutex *prev = thread->mutexQueue.tail;
+
+ if (!prev)
+ {
+ thread->mutexQueue.head = mutex;
+ }
+ else
+ {
+ prev->link.next = mutex;
+ }
+
+ mutex->link.prev = prev;
+ mutex->link.next = NULL;
+ thread->mutexQueue.tail = mutex;
+}
+
+ARM_FUNC void OSi_DequeueItem(OSThread *thread, OSMutex *mutex)
+{
+ OSMutex *next = mutex->link.next;
+ OSMutex *prev = mutex->link.prev;
+
+ if (!next)
+ {
+ thread->mutexQueue.tail = prev;
+ }
+ else
+ {
+ next->link.prev = prev;
+ }
+
+ if(!prev)
+ {
+ thread->mutexQueue.head = next;
+ }
+ else
+ {
+ prev->link.next = next;
+ }
+}
diff --git a/arm9/lib/src/SND_bank.c b/arm9/lib/src/SND_bank.c
index 7f5bd94a..44075454 100644
--- a/arm9/lib/src/SND_bank.c
+++ b/arm9/lib/src/SND_bank.c
@@ -1,8 +1,6 @@
#include "SND_bank.h"
#include "OS_mutex.h"
-void OS_LockMutex(struct OSMutex *);
-void OS_UnlockMutex(struct OSMutex *);
void DC_StoreRange(const void *, u32);
/*
diff --git a/arm9/lib/src/SND_main.c b/arm9/lib/src/SND_main.c
index 34b839b1..f97b0873 100644
--- a/arm9/lib/src/SND_main.c
+++ b/arm9/lib/src/SND_main.c
@@ -8,11 +8,6 @@
static struct OSMutex sSndMutex;
static s32 sSndInitialized;
-// TODO remove these declarations once we have the functions in the headers
-void OS_InitMutex(struct OSMutex *);
-void OS_UnlockMutex(struct OSMutex *);
-void OS_LockMutex(struct OSMutex *);
-
ARM_FUNC void SND_Init(void) {
if (sSndInitialized)
return;
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-04 07:28:24 +0000