diff options
Diffstat (limited to 'arch/sh/kernel/head.S')
| -rw-r--r-- | arch/sh/kernel/head.S | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/sh/kernel/head.S b/arch/sh/kernel/head.S deleted file mode 100644 index 9b9e6ef626c..00000000000 --- a/arch/sh/kernel/head.S +++ /dev/null @@ -1,76 +0,0 @@ -/* $Id: head.S,v 1.7 2003/09/01 17:58:19 lethal Exp $ - * - * arch/sh/kernel/head.S - * - * Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Head.S contains the SH exception handlers and startup code. - */ -#include <linux/linkage.h> - - .section .empty_zero_page, "aw" -ENTRY(empty_zero_page) - .long 1 /* MOUNT_ROOT_RDONLY */ - .long 0 /* RAMDISK_FLAGS */ - .long 0x0200 /* ORIG_ROOT_DEV */ - .long 1 /* LOADER_TYPE */ - .long 0x00360000 /* INITRD_START */ - .long 0x000a0000 /* INITRD_SIZE */ - .long 0 - .balign 4096,0,4096 - - .text -/* - * Condition at the entry of _stext: - * - * BSC has already been initialized. - * INTC may or may not be initialized. - * VBR may or may not be initialized. - * MMU may or may not be initialized. - * Cache may or may not be initialized. - * Hardware (including on-chip modules) may or may not be initialized. - * - */ -ENTRY(_stext) - ! Initialize Status Register - mov.l 1f, r0 ! MD=1, RB=0, BL=0, IMASK=0xF - ldc r0, sr - ! Initialize global interrupt mask - mov #0, r0 - ldc r0, r6_bank - ! - mov.l 2f, r0 - mov r0, r15 ! Set initial r15 (stack pointer) - mov #0x20, r1 ! - shll8 r1 ! r1 = 8192 - sub r1, r0 ! - ldc r0, r7_bank ! ... and initial thread_info - ! - ! Additional CPU initialization - mov.l 6f, r0 - jsr @r0 - nop - ! Clear BSS area - mov.l 3f, r1 - add #4, r1 - mov.l 4f, r2 - mov #0, r0 -9: cmp/hs r2, r1 - bf/s 9b ! while (r1 < r2) - mov.l r0,@-r2 - ! Start kernel - mov.l 5f, r0 - jmp @r0 - nop - - .balign 4 -1: .long 0x400080F0 ! MD=1, RB=0, BL=0, FD=1, IMASK=0xF -2: .long stack -3: .long __bss_start -4: .long _end -5: .long start_kernel -6: .long sh_cpu_init |