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

source/gmp/drv/osal/linux/kernel/osal_cache.c

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) XMEDIA. All rights reserved.
+ */
+#include "osal.h"
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/printk.h>
+#include <asm/cacheflush.h>
+#include <linux/dma-direction.h>
+#include "osal_mmz.h"
+
+void osal_flush_cache_all(void)
+{
+    flush_cache_all();
+}
+EXPORT_SYMBOL(osal_flush_cache_all);
+
+void osal_cpuc_flush_dcache_area(void *addr, int size)
+{
+#ifdef CONFIG_64BIT
+    __flush_dcache_area(addr, size);
+#else
+    __cpuc_flush_dcache_area(addr, size);
+#endif
+}
+EXPORT_SYMBOL(osal_cpuc_flush_dcache_area);
+
+void osal_flush_dcache_area(void *kvirt, unsigned long phys_addr, unsigned long length)
+{
+    mmz_mmb_flush_dcache_byaddr(kvirt, phys_addr, length);
+}
+EXPORT_SYMBOL(osal_flush_dcache_area);
+
+int osal_flush_dcache_all(void)
+{
+#ifdef CONFIG_64BIT
+
+    flush_cache_all();
+
+#else
+
+#ifdef CONFIG_SMP
+    on_each_cpu((smp_call_func_t)__cpuc_flush_kern_all, NULL, 1);
+#else
+    __cpuc_flush_kern_all();
+#endif
+
+    outer_flush_all();
+
+#endif
+
+    return 0;
+}
+EXPORT_SYMBOL(osal_flush_dcache_all);
+