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arm/shared/abort/abort.c: Fix warnings and clean up

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This commit is contained in:
Joel Sherrill
2014-10-07 17:20:43 -05:00
parent 8aec7f5177
commit ba1d939e89
1 changed files with 28 additions and 17 deletions
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45
c/src/lib/libbsp/arm/shared/abort/abort.c
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@@ -1,6 +1,10 @@
/*
* ARM CPU Dependent Source
*
* If you want a small footprint RTEMS, pls use simple_abort.c
*/
/*
* COPYRIGHT (c) 2007 Ray Xu.
* mailto: Rayx at gmail dot com
*
@@ -10,8 +14,6 @@
* Copyright (c) 2002 Advent Networks, Inc
* Jay Monkman <jmonkman@adventnetworks.com>
*
* If you want a small footprint RTEMS, pls use simple_abort.c
*
* 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.
@@ -44,21 +46,26 @@
#define SET_REG(r, ctx, v) (((uint32_t *)ctx)[r] = v)
#define GET_OFFSET(insn) (insn & 0xfff)
uint32_t g_data_abort_cnt = 0;
/*
* Prototypes
*/
void _print_full_context(uint32_t);
void do_data_abort(uint32_t, uint32_t, Context_Control *);
uint32_t g_data_abort_cnt = 0;
/*this is a big overhead for MCU only got 16K RAM*/
uint32_t g_data_abort_insn_list[1024];
uint32_t g_data_abort_insn_list[1024];
char *_print_full_context_mode2txt[0x20]={
[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 */
};
[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)
{
@@ -82,7 +89,7 @@ void _print_full_context(uint32_t spsr)
: [arm_switch_reg] "=&r" (arm_switch_reg), [prev_sp] "=&r" (prev_sp), [prev_lr] "=&r" (prev_lr),
[cpsr] "=&r" (cpsr)
: [spsr] "r" (spsr)
: "cc");
: "cc");
printk("Previous sp=0x%08x lr=0x%08x and actual cpsr=%08x\n",
prev_sp, prev_lr, cpsr);
@@ -102,8 +109,11 @@ void _print_full_context(uint32_t spsr)
* All unhandled instructions cause the system to hang.
*/
void do_data_abort(uint32_t insn, uint32_t spsr,
Context_Control *ctx)
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;
@@ -153,9 +163,10 @@ void do_data_abort(uint32_t insn, uint32_t spsr,
/* disable interrupts, wait forever */
rtems_interrupt_disable(level);
(void) level; /* avoid set but unused warning */
while(1) {
continue;
}
return;
}