diff options
Diffstat (limited to 'libcpu/mips/pic32/exceptions.c')
| -rw-r--r-- | libcpu/mips/pic32/exceptions.c | 90 |
1 files changed, 45 insertions, 45 deletions
diff --git a/libcpu/mips/pic32/exceptions.c b/libcpu/mips/pic32/exceptions.c index de5f70b7e1..d9f457a707 100644 --- a/libcpu/mips/pic32/exceptions.c +++ b/libcpu/mips/pic32/exceptions.c @@ -11,13 +11,13 @@ * Complier: MPLAB C32 * MPLAB IDE * Company: Microchip Technology, Inc. - * Author: Darren Wenn + * Author: Darren Wenn * * Software License Agreement * * The software supplied herewith by Microchip Technology Incorporated - * (the �Company�) for its PIC32/PIC24 Microcontroller is intended - * and supplied to you, the Company�s customer, for use solely and + * (the “Company”) for its PIC32/PIC24 Microcontroller is intended + * and supplied to you, the Company’s customer, for use solely and * exclusively on Microchip PIC32/PIC24 Microcontroller products. * The software is owned by the Company and/or its supplier, and is * protected under applicable copyright laws. All rights are reserved. @@ -26,7 +26,7 @@ * civil liability for the breach of the terms and conditions of this * license. * - * THIS SOFTWARE IS PROVIDED IN AN �AS IS� CONDITION. NO WARRANTIES, + * THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES, * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED * TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT, @@ -42,20 +42,20 @@ // declared static in case exception condition would prevent // auto variable being created static enum { - EXCEP_IRQ = 0, // interrupt - EXCEP_AdEL = 4, // address error exception (load or ifetch) - EXCEP_AdES, // address error exception (store) - EXCEP_IBE, // bus error (ifetch) - EXCEP_DBE, // bus error (load/store) - EXCEP_Sys, // syscall - EXCEP_Bp, // breakpoint - EXCEP_RI, // reserved instruction - EXCEP_CpU, // coprocessor unusable - EXCEP_Overflow, // arithmetic overflow - EXCEP_Trap, // trap (possible divide by zero) - EXCEP_IS1 = 16, // implementation specfic 1 - EXCEP_CEU, // CorExtend Unuseable - EXCEP_C2E // coprocessor 2 + EXCEP_IRQ = 0, // interrupt + EXCEP_AdEL = 4, // address error exception (load or ifetch) + EXCEP_AdES, // address error exception (store) + EXCEP_IBE, // bus error (ifetch) + EXCEP_DBE, // bus error (load/store) + EXCEP_Sys, // syscall + EXCEP_Bp, // breakpoint + EXCEP_RI, // reserved instruction + EXCEP_CpU, // coprocessor unusable + EXCEP_Overflow, // arithmetic overflow + EXCEP_Trap, // trap (possible divide by zero) + EXCEP_IS1 = 16, // implementation specfic 1 + EXCEP_CEU, // CorExtend Unuseable + EXCEP_C2E // coprocessor 2 } _excep_code; static unsigned int _epc_code; @@ -65,34 +65,34 @@ static unsigned int _excep_addr; // this function overrides the normal _weak_ generic handler void _general_exception_handler(void) { - asm volatile("mfc0 %0,$13" : "=r" (_excep_code)); - asm volatile("mfc0 %0,$14" : "=r" (_excep_addr)); + asm volatile("mfc0 %0,$13" : "=r" (_excep_code)); + asm volatile("mfc0 %0,$14" : "=r" (_excep_addr)); - _excep_code = (_excep_code & 0x0000007C) >> 2; + _excep_code = (_excep_code & 0x0000007C) >> 2; - rt_kprintf("\r\n_excep_code : %08X\r\n",_excep_code); - rt_kprintf("_excep_addr : %08X\r\n",_excep_addr); - switch(_excep_code) - { - case EXCEP_IRQ:rt_kprintf("interrupt\r\n");break; - case EXCEP_AdEL:rt_kprintf("address error exception (load or ifetch)\r\n");break; - case EXCEP_AdES:rt_kprintf("address error exception (store)\r\n");break; - case EXCEP_IBE:rt_kprintf("bus error (ifetch)\r\n");break; - case EXCEP_DBE:rt_kprintf("bus error (load/store)\r\n");break; - case EXCEP_Sys:rt_kprintf("syscall\r\n");break; - case EXCEP_Bp:rt_kprintf("breakpoint\r\n");break; - case EXCEP_RI:rt_kprintf("reserved instruction\r\n");break; - case EXCEP_CpU:rt_kprintf("coprocessor unusable\r\n");break; - case EXCEP_Overflow:rt_kprintf("arithmetic overflow\r\n");break; - case EXCEP_Trap:rt_kprintf("trap (possible divide by zero)\r\n");break; - case EXCEP_IS1:rt_kprintf("implementation specfic 1\r\n");break; - case EXCEP_CEU:rt_kprintf("CorExtend Unuseable\r\n");break; - case EXCEP_C2E:rt_kprintf("coprocessor 2\r\n");break; - default : rt_kprintf("unkown exception\r\n");break; - } + rt_kprintf("\r\n_excep_code : %08X\r\n",_excep_code); + rt_kprintf("_excep_addr : %08X\r\n",_excep_addr); + switch(_excep_code) + { + case EXCEP_IRQ:rt_kprintf("interrupt\r\n");break; + case EXCEP_AdEL:rt_kprintf("address error exception (load or ifetch)\r\n");break; + case EXCEP_AdES:rt_kprintf("address error exception (store)\r\n");break; + case EXCEP_IBE:rt_kprintf("bus error (ifetch)\r\n");break; + case EXCEP_DBE:rt_kprintf("bus error (load/store)\r\n");break; + case EXCEP_Sys:rt_kprintf("syscall\r\n");break; + case EXCEP_Bp:rt_kprintf("breakpoint\r\n");break; + case EXCEP_RI:rt_kprintf("reserved instruction\r\n");break; + case EXCEP_CpU:rt_kprintf("coprocessor unusable\r\n");break; + case EXCEP_Overflow:rt_kprintf("arithmetic overflow\r\n");break; + case EXCEP_Trap:rt_kprintf("trap (possible divide by zero)\r\n");break; + case EXCEP_IS1:rt_kprintf("implementation specfic 1\r\n");break; + case EXCEP_CEU:rt_kprintf("CorExtend Unuseable\r\n");break; + case EXCEP_C2E:rt_kprintf("coprocessor 2\r\n");break; + default : rt_kprintf("unkown exception\r\n");break; + } - while (1) { - // Examine _excep_code to identify the type of exception - // Examine _excep_addr to find the address that caused the exception - } + while (1) { + // Examine _excep_code to identify the type of exception + // Examine _excep_addr to find the address that caused the exception + } } |