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

source/bootloader/u-boot-2020.01/arch/x86/cpu/qemu/cpu.c

@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015, Miao Yan <yanmiaobest@gmail.com>
+ */
+
+#include <common.h>
+#include <cpu.h>
+#include <dm.h>
+#include <errno.h>
+#include <qfw.h>
+#include <asm/cpu.h>
+
+int cpu_qemu_get_desc(struct udevice *dev, char *buf, int size)
+{
+	if (size < CPU_MAX_NAME_LEN)
+		return -ENOSPC;
+
+	cpu_get_name(buf);
+
+	return 0;
+}
+
+static int cpu_qemu_get_count(struct udevice *dev)
+{
+	return qemu_fwcfg_online_cpus();
+}
+
+static const struct cpu_ops cpu_qemu_ops = {
+	.get_desc	= cpu_qemu_get_desc,
+	.get_count	= cpu_qemu_get_count,
+};
+
+static const struct udevice_id cpu_qemu_ids[] = {
+	{ .compatible = "cpu-qemu" },
+	{ }
+};
+
+U_BOOT_DRIVER(cpu_qemu_drv) = {
+	.name		= "cpu_qemu",
+	.id		= UCLASS_CPU,
+	.of_match	= cpu_qemu_ids,
+	.ops		= &cpu_qemu_ops,
+};