mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-16 08:13:17 +00:00
0ae7653128
Relocation code based on a patch by Scott Wood, which is: Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: David Feng <fenghua@phytium.com.cn>
120 lines
2.5 KiB
C
120 lines
2.5 KiB
C
/*
|
|
* (C) Copyright 2013
|
|
* David Feng <fenghua@phytium.com.cn>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <linux/compiler.h>
|
|
|
|
|
|
int interrupt_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void enable_interrupts(void)
|
|
{
|
|
return;
|
|
}
|
|
|
|
int disable_interrupts(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void show_regs(struct pt_regs *regs)
|
|
{
|
|
int i;
|
|
|
|
printf("ELR: %lx\n", regs->elr);
|
|
printf("LR: %lx\n", regs->regs[30]);
|
|
for (i = 0; i < 29; i += 2)
|
|
printf("x%-2d: %016lx x%-2d: %016lx\n",
|
|
i, regs->regs[i], i+1, regs->regs[i+1]);
|
|
printf("\n");
|
|
}
|
|
|
|
/*
|
|
* do_bad_sync handles the impossible case in the Synchronous Abort vector.
|
|
*/
|
|
void do_bad_sync(struct pt_regs *pt_regs, unsigned int esr)
|
|
{
|
|
printf("Bad mode in \"Synchronous Abort\" handler, esr 0x%08x\n", esr);
|
|
show_regs(pt_regs);
|
|
panic("Resetting CPU ...\n");
|
|
}
|
|
|
|
/*
|
|
* do_bad_irq handles the impossible case in the Irq vector.
|
|
*/
|
|
void do_bad_irq(struct pt_regs *pt_regs, unsigned int esr)
|
|
{
|
|
printf("Bad mode in \"Irq\" handler, esr 0x%08x\n", esr);
|
|
show_regs(pt_regs);
|
|
panic("Resetting CPU ...\n");
|
|
}
|
|
|
|
/*
|
|
* do_bad_fiq handles the impossible case in the Fiq vector.
|
|
*/
|
|
void do_bad_fiq(struct pt_regs *pt_regs, unsigned int esr)
|
|
{
|
|
printf("Bad mode in \"Fiq\" handler, esr 0x%08x\n", esr);
|
|
show_regs(pt_regs);
|
|
panic("Resetting CPU ...\n");
|
|
}
|
|
|
|
/*
|
|
* do_bad_error handles the impossible case in the Error vector.
|
|
*/
|
|
void do_bad_error(struct pt_regs *pt_regs, unsigned int esr)
|
|
{
|
|
printf("Bad mode in \"Error\" handler, esr 0x%08x\n", esr);
|
|
show_regs(pt_regs);
|
|
panic("Resetting CPU ...\n");
|
|
}
|
|
|
|
/*
|
|
* do_sync handles the Synchronous Abort exception.
|
|
*/
|
|
void do_sync(struct pt_regs *pt_regs, unsigned int esr)
|
|
{
|
|
printf("\"Synchronous Abort\" handler, esr 0x%08x\n", esr);
|
|
show_regs(pt_regs);
|
|
panic("Resetting CPU ...\n");
|
|
}
|
|
|
|
/*
|
|
* do_irq handles the Irq exception.
|
|
*/
|
|
void do_irq(struct pt_regs *pt_regs, unsigned int esr)
|
|
{
|
|
printf("\"Irq\" handler, esr 0x%08x\n", esr);
|
|
show_regs(pt_regs);
|
|
panic("Resetting CPU ...\n");
|
|
}
|
|
|
|
/*
|
|
* do_fiq handles the Fiq exception.
|
|
*/
|
|
void do_fiq(struct pt_regs *pt_regs, unsigned int esr)
|
|
{
|
|
printf("\"Fiq\" handler, esr 0x%08x\n", esr);
|
|
show_regs(pt_regs);
|
|
panic("Resetting CPU ...\n");
|
|
}
|
|
|
|
/*
|
|
* do_error handles the Error exception.
|
|
* Errors are more likely to be processor specific,
|
|
* it is defined with weak attribute and can be redefined
|
|
* in processor specific code.
|
|
*/
|
|
void __weak do_error(struct pt_regs *pt_regs, unsigned int esr)
|
|
{
|
|
printf("\"Error\" handler, esr 0x%08x\n", esr);
|
|
show_regs(pt_regs);
|
|
panic("Resetting CPU ...\n");
|
|
}
|