MIPS: reserve space for exception vectors

[people/ms/u-boot.git] / arch / mips / lib / stack.c

diff --git a/arch/mips/lib/stack.c b/arch/mips/lib/stack.c
new file mode 100644 (file)
index 0000000..c80f5fe
--- /dev/null
+++ b/arch/mips/lib/stack.c
@@ -0,0 +1,19 @@
+/*
+ * 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;
+}