| /********************************************************************* | |
| * | |
| * General Exception | |
| * | |
| ********************************************************************* | |
| * Filename: general-exception.S | |
| * | |
| * Processor: PIC32 | |
| * | |
| * Compiler: MPLAB XC32 v1.00 | |
| * MPLAB X IDE | |
| * Company: Microchip Technology Inc. | |
| * | |
| * Software License Agreement | |
| * | |
| * This software is developed by Microchip Technology Inc. and its | |
| * subsidiaries ("Microchip"). | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions are met: | |
| * | |
| * 1. Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer. | |
| * | |
| * 2. 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. | |
| * | |
| * 3. Microchip's name may not be used to endorse or promote products | |
| * derived from this software without specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY MICROCHIP "AS IS" AND ANY EXPRESS OR IMPLIED | |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| * MERCHANTABILITY AND FITNESS FOR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
| * MICROCHIP 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) HOWSOEVER 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 <xc.h> | |
| #ifdef __LIBBUILD__ | |
| .file 1 "general-exception.S" | |
| .loc 1 0 | |
| #endif | |
| ################### | |
| # Default general exception handler | |
| ################### | |
| .extern _general_exception_handler | |
| .section .text.general_exception, code | |
| .set noreorder | |
| .set noat | |
| .set nomips16 | |
| .globl _general_exception_context | |
| .ent _general_exception_context | |
| _general_exception_context: | |
| # Save off the non-callee saved registers that may get mucked with | |
| addiu sp, sp, -88 | |
| sw $1, 4(sp) | |
| sw v0, 8(sp) | |
| sw v1, 12(sp) | |
| sw a0, 16(sp) | |
| sw a1, 20(sp) | |
| sw a2, 24(sp) | |
| sw a3, 28(sp) | |
| sw t0, 32(sp) | |
| sw t1, 36(sp) | |
| sw t2, 40(sp) | |
| sw t3, 44(sp) | |
| sw t4, 48(sp) | |
| sw t5, 52(sp) | |
| sw t6, 56(sp) | |
| sw t7, 60(sp) | |
| sw t8, 64(sp) | |
| sw t9, 68(sp) | |
| sw ra, 72(sp) | |
| mflo t0 | |
| sw t0, 76(sp) | |
| mfhi t0 | |
| sw t0, 80(sp) | |
| la k0,_general_exception_handler | |
| nop | |
| # Pass Cause and Status to the handler function | |
| mfc0 a0, _CP0_CAUSE | |
| mfc0 a1, _CP0_STATUS | |
| jalr k0 | |
| nop | |
| lw t0, 80(sp) | |
| mthi t0 | |
| lw t0, 76(sp) | |
| mtlo t0 | |
| lw $1, 4(sp) | |
| lw v0, 8(sp) | |
| lw v1, 12(sp) | |
| lw a0, 16(sp) | |
| lw a1, 20(sp) | |
| lw a2, 24(sp) | |
| lw a3, 28(sp) | |
| lw t0, 32(sp) | |
| lw t1, 36(sp) | |
| lw t2, 40(sp) | |
| lw t3, 44(sp) | |
| lw t4, 48(sp) | |
| lw t5, 52(sp) | |
| lw t6, 56(sp) | |
| lw t7, 60(sp) | |
| lw t8, 64(sp) | |
| lw t9, 68(sp) | |
| lw ra, 72(sp) | |
| addiu sp, sp, 88 | |
| ehb | |
| eret | |
| .end _general_exception_context | |