diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/shared/abort/simple_abort.c')
-rw-r--r-- | c/src/lib/libbsp/arm/shared/abort/simple_abort.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/c/src/lib/libbsp/arm/shared/abort/simple_abort.c b/c/src/lib/libbsp/arm/shared/abort/simple_abort.c deleted file mode 100644 index e721323b0d..0000000000 --- a/c/src/lib/libbsp/arm/shared/abort/simple_abort.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * ARM CPU Dependent Source - * - * COPYRIGHT (c) 2007 Ray Xu. - * mailto: Rayx.cn at gmail dot com - * - * COPYRIGHT (c) 2000 Canon Research Centre France SA. - * Emmanuel Raguet, mailto:raguet@crf.canon.fr - * - * Copyright (c) 2002 Advent Networks, Inc - * Jay Monkman <jmonkman@adventnetworks.com> - * - * This is a simple implement of abort - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - * - */ - -#include <rtems/system.h> -#include <rtems.h> -#include <rtems/bspIo.h> -#include "abort.h" - -char *_print_full_context_mode2txt[0x10]={ - [0x0]="user", /* User */ - [0x1]="fiq", /* FIQ - Fast Interrupt Request */ - [0x2]="irq", /* IRQ - Interrupt Request */ - [0x3]="super", /* Supervisor */ - [0x7]="abort", /* Abort */ - [0xb]="undef", /* Undefined */ - [0xf]="system" /* System */ -}; - -void _print_full_context(uint32_t spsr) -{ - char *mode; - uint32_t prev_sp,prev_lr,cpsr,arm_switch_reg; - int i, j; - - printk("active thread thread 0x%08x\n", rtems_task_self()); - - mode=_print_full_context_mode2txt[(spsr&0x1f)-0x10]; - if(!mode) mode="unknown"; - - __asm__ volatile ( - ARM_SWITCH_TO_ARM - "mrs %[cpsr], cpsr\n" - "orr %[arm_switch_reg], %[spsr], #0xc0\n" - "msr cpsr_c, %[arm_switch_reg]\n" - "mov %[prev_sp], sp\n" - "mov %[prev_lr], lr\n" - "msr cpsr_c, %[cpsr]\n" - ARM_SWITCH_BACK - : [prev_sp] "=&r" (prev_sp), [prev_lr] "=&r" (prev_lr), - [cpsr] "=&r" (cpsr), [arm_switch_reg] "=&r" (arm_switch_reg) - : [spsr] "r" (spsr) - : "cc" - ); - - printk( - "Previous sp=0x%08x lr=0x%08x and actual cpsr=%08x\n", - prev_sp, - prev_lr, - cpsr - ); - - j=0; - for(i=0;i<48;) { - printk(" 0x%08x",((uint32_t*)prev_sp)[i++]); - j++; - /*try not to use % because it introduces hundreds of byte overhead*/ - if((j-6)==0) { - printk("\n"); - j=0; - } - } -} - - -/* This function is supposed to figure out what caused the - * data abort, do that, then return. - * - * All unhandled instructions cause the system to hang. - */ - -void do_data_abort( - uint32_t insn, - uint32_t spsr, - Context_Control *ctx -) -{ - /* Clarify, which type is correct, CPU_Exception_frame or Context_Control */ - - uint8_t decode; - uint8_t insn_type; - rtems_interrupt_level level; - - decode = ((insn >> 20) & 0xff); - - insn_type = decode & INSN_MASK; - switch(insn_type) { - case INSN_STM1: - printk("\n\nINSN_STM1\n"); - break; - case INSN_STM2: - printk("\n\nINSN_STM2\n"); - break; - case INSN_STR: - printk("\n\nINSN_STR\n"); - break; - case INSN_STRB: - printk("\n\nINSN_STRB\n"); - break; - case INSN_LDM1: - printk("\n\nINSN_LDM1\n"); - break; - case INSN_LDM23: - printk("\n\nINSN_LDM23\n"); - break; - case INSN_LDR: - printk("\n\nINSN_LDR\n"); - break; - case INSN_LDRB: - printk("\n\nINSN_LDRB\n"); - break; - default: - printk("\n\nUnrecognized instruction\n"); - break; - } - - printk("data_abort at address 0x%x, instruction: 0x%x, spsr = 0x%x\n", - ctx->register_lr - 8, insn, spsr); - - _print_full_context(spsr); - - /* disable interrupts, wait forever */ - rtems_interrupt_disable(level); - (void)level; - while(1) { - continue; - } - return; -} - |