93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Mostly IRQ support for Hexagon
|
|
*
|
|
* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/sched/debug.h>
|
|
#include <asm/registers.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/hardirq.h>
|
|
|
|
/*
|
|
* show_regs - print pt_regs structure
|
|
* @regs: pointer to pt_regs
|
|
*
|
|
* To-do: add all the accessor definitions to registers.h
|
|
*
|
|
* Will make this routine a lot easier to write.
|
|
*/
|
|
void show_regs(struct pt_regs *regs)
|
|
{
|
|
show_regs_print_info(KERN_EMERG);
|
|
|
|
printk(KERN_EMERG "restart_r0: \t0x%08lx syscall_nr: %ld\n",
|
|
regs->restart_r0, regs->syscall_nr);
|
|
printk(KERN_EMERG "preds: \t\t0x%08lx\n", regs->preds);
|
|
printk(KERN_EMERG "lc0: \t0x%08lx sa0: 0x%08lx m0: 0x%08lx\n",
|
|
regs->lc0, regs->sa0, regs->m0);
|
|
printk(KERN_EMERG "lc1: \t0x%08lx sa1: 0x%08lx m1: 0x%08lx\n",
|
|
regs->lc1, regs->sa1, regs->m1);
|
|
printk(KERN_EMERG "gp: \t0x%08lx ugp: 0x%08lx usr: 0x%08lx\n",
|
|
regs->gp, regs->ugp, regs->usr);
|
|
printk(KERN_EMERG "cs0: \t0x%08lx cs1: 0x%08lx\n",
|
|
regs->cs0, regs->cs1);
|
|
printk(KERN_EMERG "r0: \t0x%08lx %08lx %08lx %08lx\n", regs->r00,
|
|
regs->r01,
|
|
regs->r02,
|
|
regs->r03);
|
|
printk(KERN_EMERG "r4: \t0x%08lx %08lx %08lx %08lx\n", regs->r04,
|
|
regs->r05,
|
|
regs->r06,
|
|
regs->r07);
|
|
printk(KERN_EMERG "r8: \t0x%08lx %08lx %08lx %08lx\n", regs->r08,
|
|
regs->r09,
|
|
regs->r10,
|
|
regs->r11);
|
|
printk(KERN_EMERG "r12: \t0x%08lx %08lx %08lx %08lx\n", regs->r12,
|
|
regs->r13,
|
|
regs->r14,
|
|
regs->r15);
|
|
printk(KERN_EMERG "r16: \t0x%08lx %08lx %08lx %08lx\n", regs->r16,
|
|
regs->r17,
|
|
regs->r18,
|
|
regs->r19);
|
|
printk(KERN_EMERG "r20: \t0x%08lx %08lx %08lx %08lx\n", regs->r20,
|
|
regs->r21,
|
|
regs->r22,
|
|
regs->r23);
|
|
printk(KERN_EMERG "r24: \t0x%08lx %08lx %08lx %08lx\n", regs->r24,
|
|
regs->r25,
|
|
regs->r26,
|
|
regs->r27);
|
|
printk(KERN_EMERG "r28: \t0x%08lx %08lx %08lx %08lx\n", regs->r28,
|
|
regs->r29,
|
|
regs->r30,
|
|
regs->r31);
|
|
|
|
printk(KERN_EMERG "elr: \t0x%08lx cause: 0x%08lx user_mode: %d\n",
|
|
pt_elr(regs), pt_cause(regs), user_mode(regs));
|
|
printk(KERN_EMERG "psp: \t0x%08lx badva: 0x%08lx int_enabled: %d\n",
|
|
pt_psp(regs), pt_badva(regs), ints_enabled(regs));
|
|
}
|
|
|
|
void dummy_handler(struct pt_regs *regs)
|
|
{
|
|
unsigned int elr = pt_elr(regs);
|
|
printk(KERN_ERR "Unimplemented handler; ELR=0x%08x\n", elr);
|
|
}
|
|
|
|
|
|
void arch_do_IRQ(struct pt_regs *regs)
|
|
{
|
|
int irq = pt_cause(regs);
|
|
struct pt_regs *old_regs = set_irq_regs(regs);
|
|
|
|
irq_enter();
|
|
generic_handle_irq(irq);
|
|
irq_exit();
|
|
set_irq_regs(old_regs);
|
|
}
|