This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / avr32 / kernel / head.S

diff --git a/arch/avr32/kernel/head.S b/arch/avr32/kernel/head.S
new file mode 100644 (file)
index 0000000..6163bd0
--- /dev/null
+++ b/arch/avr32/kernel/head.S
@@ -0,0 +1,42 @@
+/*
+ * Non-board-specific low-level startup code
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+
+#include <asm/page.h>
+#include <asm/thread_info.h>
+#include <asm/sysreg.h>
+
+       .section .init.text,"ax"
+       .global kernel_entry
+kernel_entry:
+       /* Initialize status register */
+       lddpc   r0, init_sr
+       mtsr    SYSREG_SR, r0
+
+       /* Set initial stack pointer */
+       lddpc   sp, stack_addr
+       sub     sp, -THREAD_SIZE
+
+#ifdef CONFIG_FRAME_POINTER
+       /* Mark last stack frame */
+       mov     lr, 0
+       mov     r7, 0
+#endif
+
+       /* Start the show */
+       lddpc   pc, kernel_start_addr
+
+       .align  2
+init_sr:
+       .long   0x007f0000      /* Supervisor mode, everything masked */
+stack_addr:
+       .long   init_thread_union
+kernel_start_addr:
+       .long   start_kernel