1*08dbd0f8SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2e49ee290SRichard Kuo /*
3e49ee290SRichard Kuo * Mostly IRQ support for Hexagon
4e49ee290SRichard Kuo *
57c6a5df4SRichard Kuo * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
6e49ee290SRichard Kuo */
7e49ee290SRichard Kuo
8e49ee290SRichard Kuo #include <linux/kernel.h>
9b17b0153SIngo Molnar #include <linux/sched/debug.h>
10e49ee290SRichard Kuo #include <asm/registers.h>
11e49ee290SRichard Kuo #include <linux/irq.h>
12e49ee290SRichard Kuo #include <linux/hardirq.h>
13e49ee290SRichard Kuo
14e49ee290SRichard Kuo /*
15e49ee290SRichard Kuo * show_regs - print pt_regs structure
16e49ee290SRichard Kuo * @regs: pointer to pt_regs
17e49ee290SRichard Kuo *
18e49ee290SRichard Kuo * To-do: add all the accessor definitions to registers.h
19e49ee290SRichard Kuo *
20e49ee290SRichard Kuo * Will make this routine a lot easier to write.
21e49ee290SRichard Kuo */
show_regs(struct pt_regs * regs)22e49ee290SRichard Kuo void show_regs(struct pt_regs *regs)
23e49ee290SRichard Kuo {
24a43cb95dSTejun Heo show_regs_print_info(KERN_EMERG);
25a43cb95dSTejun Heo
26e49ee290SRichard Kuo printk(KERN_EMERG "restart_r0: \t0x%08lx syscall_nr: %ld\n",
27e49ee290SRichard Kuo regs->restart_r0, regs->syscall_nr);
28e49ee290SRichard Kuo printk(KERN_EMERG "preds: \t\t0x%08lx\n", regs->preds);
29e49ee290SRichard Kuo printk(KERN_EMERG "lc0: \t0x%08lx sa0: 0x%08lx m0: 0x%08lx\n",
30e49ee290SRichard Kuo regs->lc0, regs->sa0, regs->m0);
31e49ee290SRichard Kuo printk(KERN_EMERG "lc1: \t0x%08lx sa1: 0x%08lx m1: 0x%08lx\n",
32e49ee290SRichard Kuo regs->lc1, regs->sa1, regs->m1);
33e49ee290SRichard Kuo printk(KERN_EMERG "gp: \t0x%08lx ugp: 0x%08lx usr: 0x%08lx\n",
34e49ee290SRichard Kuo regs->gp, regs->ugp, regs->usr);
3560c4ba99SRichard Kuo printk(KERN_EMERG "cs0: \t0x%08lx cs1: 0x%08lx\n",
3660c4ba99SRichard Kuo regs->cs0, regs->cs1);
37e49ee290SRichard Kuo printk(KERN_EMERG "r0: \t0x%08lx %08lx %08lx %08lx\n", regs->r00,
38e49ee290SRichard Kuo regs->r01,
39e49ee290SRichard Kuo regs->r02,
40e49ee290SRichard Kuo regs->r03);
41e49ee290SRichard Kuo printk(KERN_EMERG "r4: \t0x%08lx %08lx %08lx %08lx\n", regs->r04,
42e49ee290SRichard Kuo regs->r05,
43e49ee290SRichard Kuo regs->r06,
44e49ee290SRichard Kuo regs->r07);
45e49ee290SRichard Kuo printk(KERN_EMERG "r8: \t0x%08lx %08lx %08lx %08lx\n", regs->r08,
46e49ee290SRichard Kuo regs->r09,
47e49ee290SRichard Kuo regs->r10,
48e49ee290SRichard Kuo regs->r11);
49e49ee290SRichard Kuo printk(KERN_EMERG "r12: \t0x%08lx %08lx %08lx %08lx\n", regs->r12,
50e49ee290SRichard Kuo regs->r13,
51e49ee290SRichard Kuo regs->r14,
52e49ee290SRichard Kuo regs->r15);
53e49ee290SRichard Kuo printk(KERN_EMERG "r16: \t0x%08lx %08lx %08lx %08lx\n", regs->r16,
54e49ee290SRichard Kuo regs->r17,
55e49ee290SRichard Kuo regs->r18,
56e49ee290SRichard Kuo regs->r19);
57e49ee290SRichard Kuo printk(KERN_EMERG "r20: \t0x%08lx %08lx %08lx %08lx\n", regs->r20,
58e49ee290SRichard Kuo regs->r21,
59e49ee290SRichard Kuo regs->r22,
60e49ee290SRichard Kuo regs->r23);
61e49ee290SRichard Kuo printk(KERN_EMERG "r24: \t0x%08lx %08lx %08lx %08lx\n", regs->r24,
62e49ee290SRichard Kuo regs->r25,
63e49ee290SRichard Kuo regs->r26,
64e49ee290SRichard Kuo regs->r27);
65e49ee290SRichard Kuo printk(KERN_EMERG "r28: \t0x%08lx %08lx %08lx %08lx\n", regs->r28,
66e49ee290SRichard Kuo regs->r29,
67e49ee290SRichard Kuo regs->r30,
68e49ee290SRichard Kuo regs->r31);
69e49ee290SRichard Kuo
70e49ee290SRichard Kuo printk(KERN_EMERG "elr: \t0x%08lx cause: 0x%08lx user_mode: %d\n",
71e49ee290SRichard Kuo pt_elr(regs), pt_cause(regs), user_mode(regs));
72e49ee290SRichard Kuo printk(KERN_EMERG "psp: \t0x%08lx badva: 0x%08lx int_enabled: %d\n",
73e49ee290SRichard Kuo pt_psp(regs), pt_badva(regs), ints_enabled(regs));
74e49ee290SRichard Kuo }
75e49ee290SRichard Kuo
arch_do_IRQ(struct pt_regs * regs)76e49ee290SRichard Kuo void arch_do_IRQ(struct pt_regs *regs)
77e49ee290SRichard Kuo {
78e49ee290SRichard Kuo int irq = pt_cause(regs);
79e49ee290SRichard Kuo struct pt_regs *old_regs = set_irq_regs(regs);
80e49ee290SRichard Kuo
81e49ee290SRichard Kuo irq_enter();
82e49ee290SRichard Kuo generic_handle_irq(irq);
83e49ee290SRichard Kuo irq_exit();
84e49ee290SRichard Kuo set_irq_regs(old_regs);
85e49ee290SRichard Kuo }
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