1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Mostly IRQ support for Hexagon
4 *
5 * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
6 */
7
8 #include <linux/kernel.h>
9 #include <linux/sched/debug.h>
10 #include <asm/registers.h>
11 #include <linux/irq.h>
12 #include <linux/hardirq.h>
13
14 /*
15 * show_regs - print pt_regs structure
16 * @regs: pointer to pt_regs
17 *
18 * To-do: add all the accessor definitions to registers.h
19 *
20 * Will make this routine a lot easier to write.
21 */
22 void show_regs(struct pt_regs *regs)
23 {
24 show_regs_print_info(KERN_EMERG);
25
26 printk(KERN_EMERG "restart_r0: \t0x%08lx syscall_nr: %ld\n",
27 regs->restart_r0, regs->syscall_nr);
28 printk(KERN_EMERG "preds: \t\t0x%08lx\n", regs->preds);
29 printk(KERN_EMERG "lc0: \t0x%08lx sa0: 0x%08lx m0: 0x%08lx\n",
30 regs->lc0, regs->sa0, regs->m0);
31 printk(KERN_EMERG "lc1: \t0x%08lx sa1: 0x%08lx m1: 0x%08lx\n",
32 regs->lc1, regs->sa1, regs->m1);
33 printk(KERN_EMERG "gp: \t0x%08lx ugp: 0x%08lx usr: 0x%08lx\n",
34 regs->gp, regs->ugp, regs->usr);
35 printk(KERN_EMERG "cs0: \t0x%08lx cs1: 0x%08lx\n",
36 regs->cs0, regs->cs1);
37 printk(KERN_EMERG "r0: \t0x%08lx %08lx %08lx %08lx\n", regs->r00,
38 regs->r01,
39 regs->r02,
40 regs->r03);
41 printk(KERN_EMERG "r4: \t0x%08lx %08lx %08lx %08lx\n", regs->r04,
42 regs->r05,
43 regs->r06,
44 regs->r07);
45 printk(KERN_EMERG "r8: \t0x%08lx %08lx %08lx %08lx\n", regs->r08,
46 regs->r09,
47 regs->r10,
48 regs->r11);
49 printk(KERN_EMERG "r12: \t0x%08lx %08lx %08lx %08lx\n", regs->r12,
50 regs->r13,
51 regs->r14,
52 regs->r15);
53 printk(KERN_EMERG "r16: \t0x%08lx %08lx %08lx %08lx\n", regs->r16,
54 regs->r17,
55 regs->r18,
56 regs->r19);
57 printk(KERN_EMERG "r20: \t0x%08lx %08lx %08lx %08lx\n", regs->r20,
58 regs->r21,
59 regs->r22,
60 regs->r23);
61 printk(KERN_EMERG "r24: \t0x%08lx %08lx %08lx %08lx\n", regs->r24,
62 regs->r25,
63 regs->r26,
64 regs->r27);
65 printk(KERN_EMERG "r28: \t0x%08lx %08lx %08lx %08lx\n", regs->r28,
66 regs->r29,
67 regs->r30,
68 regs->r31);
69
70 printk(KERN_EMERG "elr: \t0x%08lx cause: 0x%08lx user_mode: %d\n",
71 pt_elr(regs), pt_cause(regs), user_mode(regs));
72 printk(KERN_EMERG "psp: \t0x%08lx badva: 0x%08lx int_enabled: %d\n",
73 pt_psp(regs), pt_badva(regs), ints_enabled(regs));
74 }
75
76 void arch_do_IRQ(struct pt_regs *regs)
77 {
78 int irq = pt_cause(regs);
79 struct pt_regs *old_regs = set_irq_regs(regs);
80
81 irq_enter();
82 generic_handle_irq(irq);
83 irq_exit();
84 set_irq_regs(old_regs);
85 }
86
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