diff options
Diffstat (limited to 'examples/api/crt0.S')
| -rw-r--r-- | examples/api/crt0.S | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/examples/api/crt0.S b/examples/api/crt0.S new file mode 100644 index 000000000..6daf12789 --- /dev/null +++ b/examples/api/crt0.S @@ -0,0 +1,71 @@ +/* + * (C) Copyright 2007 Semihalf + * + * Written by: Rafal Jaworowski <raj@semihalf.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#if defined(CONFIG_PPC) + + .text + .globl _start +_start: + lis %r11, search_hint@ha + addi %r11, %r11, search_hint@l + stw %r1, 0(%r11) + b main + + + .globl syscall +syscall: + lis %r11, syscall_ptr@ha + addi %r11, %r11, syscall_ptr@l + lwz %r11, 0(%r11) + mtctr %r11 + bctr + +#elif defined(CONFIG_ARM) + + .text + .globl _start +_start: + ldr ip, =search_hint + str sp, [ip] + b main + + + .globl syscall +syscall: + ldr ip, =syscall_ptr + ldr pc, [ip] + +#else +#error No support for this arch! +#endif + + .globl syscall_ptr +syscall_ptr: + .align 4 + .long 0 + + .globl search_hint +search_hint: + .long 0 |