| 0,0 → 1,91 |
|---|
| # |
| # Copyright (C) 2001-2004 Jakub Jermar |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| |
| #include <arch/asm/macro.h> |
| |
| #define STACK_SPACE 128 |
| |
| .text |
| |
| .set noat |
| .set noreorder |
| .set nomacro |
| |
| .global kernel_image_start |
| .global tlb_refill_entry |
| .global cache_error_entry |
| .global exception_entry |
| |
| .org 0x0 |
| kernel_image_start: |
| tlb_refill_entry: |
| j tlb_refill_handler |
| nop |
| |
| .org 0x100 |
| cache_error_entry: |
| j cache_error_handler |
| nop |
| |
| .org 0x180 |
| exception_entry: |
| exception_handler: |
| sub $29, STACK_SPACE |
| REGISTERS_STORE $29 |
| |
| jal exception |
| nop |
| |
| REGISTERS_LOAD $29 |
| add $29, STACK_SPACE |
| |
| eret |
| |
| tlb_refill_handler: |
| sub $29, STACK_SPACE |
| REGISTERS_STORE $29 |
| |
| jal tlb_refill |
| nop |
| |
| REGISTERS_LOAD $29 |
| add $29, STACK_SPACE |
| |
| eret |
| |
| cache_error_handler: |
| sub $29, STACK_SPACE |
| REGISTERS_STORE $29 |
| |
| jal cache_error |
| nop |
| |
| REGISTERS_LOAD $29 |
| add $29, STACK_SPACE |
| |
| eret |