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

source/bootloader/u-boot-2020.01/drivers/smem/sandbox_smem.c

@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2018 Ramon Fried <ramon.fried@gmail.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <smem.h>
+#include <asm/test.h>
+
+static int sandbox_smem_alloc(unsigned int host,
+		unsigned int item, size_t size)
+{
+	return 0;
+}
+
+static void *sandbox_smem_get(unsigned int host,
+		unsigned int item, size_t *size)
+{
+	return NULL;
+}
+
+static int sandbox_smem_get_free_space(unsigned int host)
+{
+	return 0;
+}
+
+static const struct smem_ops sandbox_smem_ops = {
+	.alloc	= sandbox_smem_alloc,
+	.get	= sandbox_smem_get,
+	.get_free_space	= sandbox_smem_get_free_space,
+};
+
+static const struct udevice_id sandbox_smem_ids[] = {
+	{ .compatible = "sandbox,smem" },
+	{ }
+};
+
+U_BOOT_DRIVER(smem_sandbox) = {
+	.name		= "smem_sandbox",
+	.id		= UCLASS_SMEM,
+	.of_match	= sandbox_smem_ids,
+	.ops		= &sandbox_smem_ops,
+};