projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| e49ee290 RK |
1 | /* |
| 2 | * Mostly IRQ support for Hexagon | |
| 3 | * | |
| 7c6a5df4 | 4 | * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved. |
| e49ee290 RK |
5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 and | |
| 8 | * only version 2 as published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
| 18 | * 02110-1301, USA. | |
| 19 | */ | |
| 20 | ||
| 21 | #include <linux/kernel.h> | |
| 22 | #include <asm/registers.h> | |
| 23 | #include <linux/irq.h> | |
| 24 | #include <linux/hardirq.h> | |
| e49ee290 RK |
25 | |
| 26 | /* | |
| 27 | * show_regs - print pt_regs structure | |
| 28 | * @regs: pointer to pt_regs | |
| 29 | * | |
| 30 | * To-do: add all the accessor definitions to registers.h | |
| 31 | * | |
| 32 | * Will make this routine a lot easier to write. | |
| 33 | */ | |
| 34 | void show_regs(struct pt_regs *regs) | |
| 35 | { | |
| a43cb95d TH |
36 | show_regs_print_info(KERN_EMERG); |
| 37 | ||
| e49ee290 RK |
38 | printk(KERN_EMERG "restart_r0: \t0x%08lx syscall_nr: %ld\n", |
| 39 | regs->restart_r0, regs->syscall_nr); | |
| 40 | printk(KERN_EMERG "preds: \t\t0x%08lx\n", regs->preds); | |
| 41 | printk(KERN_EMERG "lc0: \t0x%08lx sa0: 0x%08lx m0: 0x%08lx\n", | |
| 42 | regs->lc0, regs->sa0, regs->m0); | |
| 43 | printk(KERN_EMERG "lc1: \t0x%08lx sa1: 0x%08lx m1: 0x%08lx\n", | |
| 44 | regs->lc1, regs->sa1, regs->m1); | |
| 45 | printk(KERN_EMERG "gp: \t0x%08lx ugp: 0x%08lx usr: 0x%08lx\n", | |
| 46 | regs->gp, regs->ugp, regs->usr); | |
| 60c4ba99 RK |
47 | printk(KERN_EMERG "cs0: \t0x%08lx cs1: 0x%08lx\n", |
| 48 | regs->cs0, regs->cs1); | |
| e49ee290 RK |
49 | printk(KERN_EMERG "r0: \t0x%08lx %08lx %08lx %08lx\n", regs->r00, |
| 50 | regs->r01, | |
| 51 | regs->r02, | |
| 52 | regs->r03); | |
| 53 | printk(KERN_EMERG "r4: \t0x%08lx %08lx %08lx %08lx\n", regs->r04, | |
| 54 | regs->r05, | |
| 55 | regs->r06, | |
| 56 | regs->r07); | |
| 57 | printk(KERN_EMERG "r8: \t0x%08lx %08lx %08lx %08lx\n", regs->r08, | |
| 58 | regs->r09, | |
| 59 | regs->r10, | |
| 60 | regs->r11); | |
| 61 | printk(KERN_EMERG "r12: \t0x%08lx %08lx %08lx %08lx\n", regs->r12, | |
| 62 | regs->r13, | |
| 63 | regs->r14, | |
| 64 | regs->r15); | |
| 65 | printk(KERN_EMERG "r16: \t0x%08lx %08lx %08lx %08lx\n", regs->r16, | |
| 66 | regs->r17, | |
| 67 | regs->r18, | |
| 68 | regs->r19); | |
| 69 | printk(KERN_EMERG "r20: \t0x%08lx %08lx %08lx %08lx\n", regs->r20, | |
| 70 | regs->r21, | |
| 71 | regs->r22, | |
| 72 | regs->r23); | |
| 73 | printk(KERN_EMERG "r24: \t0x%08lx %08lx %08lx %08lx\n", regs->r24, | |
| 74 | regs->r25, | |
| 75 | regs->r26, | |
| 76 | regs->r27); | |
| 77 | printk(KERN_EMERG "r28: \t0x%08lx %08lx %08lx %08lx\n", regs->r28, | |
| 78 | regs->r29, | |
| 79 | regs->r30, | |
| 80 | regs->r31); | |
| 81 | ||
| 82 | printk(KERN_EMERG "elr: \t0x%08lx cause: 0x%08lx user_mode: %d\n", | |
| 83 | pt_elr(regs), pt_cause(regs), user_mode(regs)); | |
| 84 | printk(KERN_EMERG "psp: \t0x%08lx badva: 0x%08lx int_enabled: %d\n", | |
| 85 | pt_psp(regs), pt_badva(regs), ints_enabled(regs)); | |
| 86 | } | |
| 87 | ||
| 88 | void dummy_handler(struct pt_regs *regs) | |
| 89 | { | |
| 90 | unsigned int elr = pt_elr(regs); | |
| 91 | printk(KERN_ERR "Unimplemented handler; ELR=0x%08x\n", elr); | |
| 92 | } | |
| 93 | ||
| 94 | ||
| 95 | void arch_do_IRQ(struct pt_regs *regs) | |
| 96 | { | |
| 97 | int irq = pt_cause(regs); | |
| 98 | struct pt_regs *old_regs = set_irq_regs(regs); | |
| 99 | ||
| 100 | irq_enter(); | |
| 101 | generic_handle_irq(irq); | |
| 102 | irq_exit(); | |
| 103 | set_irq_regs(old_regs); | |
| 104 | } |