45 lines
873 B
C
45 lines
873 B
C
|
// SPDX-License-Identifier: GPL-2.0+
|
||
|
|
/*
|
||
|
|
* (C) Copyright 2008 - 2013 Tensilica Inc.
|
||
|
|
* (C) Copyright 2014 - 2016 Cadence Design Systems Inc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Exception handling.
|
||
|
|
* We currently don't handle any exception and force a reset.
|
||
|
|
* (Note that alloca is a special case and handled in start.S)
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <common.h>
|
||
|
|
#include <command.h>
|
||
|
|
#include <irq_func.h>
|
||
|
|
#include <asm/string.h>
|
||
|
|
#include <asm/regs.h>
|
||
|
|
|
||
|
|
typedef void (*handler_t)(struct pt_regs *);
|
||
|
|
|
||
|
|
void unhandled_exception(struct pt_regs *regs)
|
||
|
|
{
|
||
|
|
printf("Unhandled Exception: EXCCAUSE = %ld, EXCVADDR = %lx, pc = %lx\n",
|
||
|
|
regs->exccause, regs->excvaddr, regs->pc);
|
||
|
|
panic("*** PANIC\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
handler_t exc_table[EXCCAUSE_LAST] = {
|
||
|
|
[0 ... EXCCAUSE_LAST-1] = unhandled_exception,
|
||
|
|
};
|
||
|
|
|
||
|
|
int interrupt_init(void)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void enable_interrupts(void)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
int disable_interrupts(void)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|