upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/lib/interrupts_64.c

129 lines
2.7 KiB

/*
* (C) Copyright 2013
* David Feng <fenghua@phytium.com.cn>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <linux/compiler.h>
#include <efi_loader.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)
{
efi_restore_gd();
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)
{
efi_restore_gd();
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)
{
efi_restore_gd();
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)
{
efi_restore_gd();
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)
{
efi_restore_gd();
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)
{
efi_restore_gd();
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)
{
efi_restore_gd();
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)
{
efi_restore_gd();
printf("\"Error\" handler, esr 0x%08x\n", esr);
show_regs(pt_regs);
panic("Resetting CPU ...\n");
}