GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
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+/*
+ * Copyright (c) XMEDIA. All rights reserved.
+ */
+#include "osal.h"
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <asm/atomic.h>
+#include <linux/printk.h>
+#include <linux/slab.h>
+
+int osal_atomic_init(osal_atomic_t *atomic)
+{
+    atomic_t *p = NULL;
+    if (atomic == NULL) {
+        osal_printk("%s - parameter invalid!\n", __FUNCTION__);
+        return -1;
+    }
+    p = (atomic_t *)kmalloc(sizeof(atomic_t), GFP_KERNEL);
+    if (p == NULL) {
+        osal_printk("%s - kmalloc error!\n", __FUNCTION__);
+        return -1;
+    }
+    memset(p, 0, sizeof(atomic_t));
+    atomic->atomic = p;
+    return 0;
+}
+EXPORT_SYMBOL(osal_atomic_init);
+
+void osal_atomic_destory(osal_atomic_t *atomic)
+{
+    if((atomic != NULL ) && (atomic->atomic != NULL)) {
+        kfree(atomic->atomic);
+        atomic->atomic = NULL;
+    } else {
+        osal_printk("%s - parameter invalid!\n", __FUNCTION__);
+    }
+}
+EXPORT_SYMBOL(osal_atomic_destory);
+
+void osal_atomic_destroy(osal_atomic_t *atomic)
+{
+    if((atomic != NULL ) && (atomic->atomic != NULL)) {
+        kfree(atomic->atomic);
+        atomic->atomic = NULL;
+    } else {
+        osal_printk("%s - parameter invalid!\n", __FUNCTION__);
+    }
+}
+EXPORT_SYMBOL(osal_atomic_destroy);
+
+int osal_atomic_read(osal_atomic_t *atomic)
+{
+    atomic_t *p = NULL;
+    if (atomic == NULL) {
+        osal_printk("%s - parameter invalid!\n", __FUNCTION__);
+        return -1;
+    }
+    p = (atomic_t *)(atomic->atomic);
+    return atomic_read(p);
+}
+EXPORT_SYMBOL(osal_atomic_read);
+
+void osal_atomic_set(osal_atomic_t *atomic, int i)
+{
+    atomic_t *p = NULL;
+    p = (atomic_t *)(atomic->atomic);
+    atomic_set(p, i);
+}
+EXPORT_SYMBOL(osal_atomic_set);
+
+int osal_atomic_inc_return(osal_atomic_t *atomic)
+{
+    atomic_t *p = NULL;
+    if (atomic == NULL) {
+        osal_printk("%s - parameter invalid!\n", __FUNCTION__);
+        return -1;
+    }
+    p = (atomic_t *)(atomic->atomic);
+    return atomic_inc_return(p);
+}
+EXPORT_SYMBOL(osal_atomic_inc_return);
+
+int osal_atomic_dec_return(osal_atomic_t *atomic)
+{
+    atomic_t *p = NULL;
+    if (atomic == NULL) {
+        osal_printk("%s - parameter invalid!\n", __FUNCTION__);
+        return -1;
+    }
+    p = (atomic_t *)(atomic->atomic);
+    return atomic_dec_return(p);
+}
+EXPORT_SYMBOL(osal_atomic_dec_return);