> new file mode 100644 > index 0000000..a7432c1 > --- /dev/null > +++ b/arch/score/kernel/head.S > @@ -0,0 +1,70 @@ > +/* > + * arch/score/kernel/head.S > + * > + * Score Processor version. > + * > + * Copyright (C) 2009 Sunplus Core Technology Co., Ltd. > + * Chen Liqin <liqin.chen@xxxxxxxxxxxxx> > + * Lennox Wu <lennox.wu@xxxxxxxxxxxxx> > + * > + * This program 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 2 of the License, or > + * (at your option) any later version. > + * > + * This program 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 this program; if not, see the file COPYING, or write > + * to the Free Software Foundation, Inc., > + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA > + */ > + > +#include <asm/asm-offsets.h> > + > + .extern start_kernel > + .global init_thread_union > + .global kernelsp > + > + .section .init.text, "ax" Please use section definitions from include/linux/init.h. __INIT in this case. Other architectures uses __HEAD so they have full control on where to add this code in the final image. > + .align 2; > + .globl _stext; > +_stext: Usually a linker defined symbol? > + la r30, __bss_start /* initialize BSS segment. */ > + la r31, _end > + xor r8, r8, r8 > + > +1: cmp.c r31, r30 > + beq 2f > + > + sw r8, [r30] /* clean memory. */ > + addi r30, 4 > + b 1b > + > +2: la r28, init_thread_union /* set kernel stack. */ > + mv r0, r28 > + addi r0, KERNEL_STACK_SIZE - 32 > + la r30, kernelsp > + sw r0, [r30] > + subi r0, 4*4 > + xor r30, r30, r30 > + ori r30, 0x02 /* enable MMU. */ > + mtcr r30, cr4 > + nop > + nop > + nop > + nop > + nop > + nop > + nop > + > + /* there is no parameter */ > + xor r4, r4, r4 > + xor r5, r5, r5 > + xor r6, r6, r6 > + xor r7, r7, r7 > + la r30, start_kernel /* jump to init_arch */ > + br r30 Sam -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html