Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * 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 

#include 

#include 

#include 

        .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