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