From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 roms/u-boot/arch/powerpc/lib/stack.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 roms/u-boot/arch/powerpc/lib/stack.c

(limited to 'roms/u-boot/arch/powerpc/lib/stack.c')

diff --git a/roms/u-boot/arch/powerpc/lib/stack.c b/roms/u-boot/arch/powerpc/lib/stack.c
new file mode 100644
index 000000000..f2a4652e0
--- /dev/null
+++ b/roms/u-boot/arch/powerpc/lib/stack.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2015 Andreas Bießmann <andreas@biessmann.org>
+ *
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2002-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ */
+#include <common.h>
+#include <init.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int arch_reserve_stacks(void)
+{
+	ulong *s;
+
+	/* setup stack pointer for exceptions */
+	gd->irq_sp = gd->start_addr_sp;
+
+	/* Clear initial stack frame */
+	s = (ulong *)gd->start_addr_sp;
+	*s = 0; /* Terminate back chain */
+	*++s = 0; /* NULL return address */
+
+	return 0;
+}
-- 
cgit