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

source/bootloader/u-boot-2020.01/arch/mips/lib/stack.c

@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int arch_reserve_stacks(void)
+{
+	/* reserve space for exception vector table */
+	gd->start_addr_sp -= 0x500;
+	gd->start_addr_sp &= ~0xFFF;
+	gd->irq_sp = gd->start_addr_sp;
+	debug("Reserving %d Bytes for exception vector at: %08lx\n",
+	      0x500, gd->start_addr_sp);
+
+	return 0;
+}