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
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2016
+ * Cédric Schieli <cschieli@gmail.com>
+ */
+
+#include <config.h>
+
+/*
+ * Routine: save_boot_params (called after reset from start.S)
+ * Description: save ATAG/FDT address provided by the firmware at boot time
+ */
+
+.global save_boot_params
+save_boot_params:
+
+	/* The firmware provided ATAG/FDT address can be found in r2/x0 */
+#ifdef CONFIG_ARM64
+	adr	x8, fw_dtb_pointer
+	str	x0, [x8]
+#else
+	ldr	r8, =fw_dtb_pointer
+	str	r2, [r8]
+#endif
+
+	/* Returns */
+	b	save_boot_params_ret