unified startup.S

kern/mips/qemu-mipssim/startup.S

@@ -1,55 +0,0 @@
-/* startup.S - Startup code for the MIPS.  */
-/*
- *  GRUB  --  GRand Unified Bootloader
- *  Copyright (C) 2009  Free Software Foundation, Inc.
- *
- *  GRUB is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  GRUB is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <grub/symbol.h>
-#include <grub/cpu/kernel.h>
-#include <grub/machine/memory.h>
-
-.extern __bss_start
-.extern _end
-	
-	.globl __start, _start, start
-__start:
-_start:
-start:	
-	b codestart
-	. = _start + GRUB_KERNEL_CPU_PREFIX
-
-VARIABLE(grub_prefix)
-	/* to be filled by grub-mkelfimage */
-
-	/*
-	 *  Leave some breathing room for the prefix.
-	 */
-
-	. = _start + GRUB_KERNEL_CPU_DATA_END
-codestart:
-	lui $t1, %hi(__bss_start)
-	addiu $t1, %lo(__bss_start)
-	lui $t2, %hi(_end)
-	addiu $t2, %lo(_end)
-
-bsscont:
-	sb $0,0($t1)
-	addiu $t1,$t1,1
-	sltu $t3,$t1,$t2
-	bne $t3, $t0, bsscont
-
-	li $sp, GRUB_MACHINE_MEMORY_STACK_HIGH
-	b grub_main