^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Port on Texas Instruments TMS320C6x architecture
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2004, 2006, 2009, 2010, 2011 Texas Instruments Incorporated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/ptrace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/sched/debug.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/bug.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <asm/special_insns.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <asm/traps.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) int (*c6x_nmi_handler)(struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) void __init trap_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) ack_exception(EXCEPT_TYPE_NXF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) ack_exception(EXCEPT_TYPE_EXC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) ack_exception(EXCEPT_TYPE_IXF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) ack_exception(EXCEPT_TYPE_SXF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) enable_exception();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) void show_regs(struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) pr_err("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) show_regs_print_info(KERN_ERR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) pr_err("PC: %08lx SP: %08lx\n", regs->pc, regs->sp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) pr_err("Status: %08lx ORIG_A4: %08lx\n", regs->csr, regs->orig_a4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) pr_err("A0: %08lx B0: %08lx\n", regs->a0, regs->b0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) pr_err("A1: %08lx B1: %08lx\n", regs->a1, regs->b1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) pr_err("A2: %08lx B2: %08lx\n", regs->a2, regs->b2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) pr_err("A3: %08lx B3: %08lx\n", regs->a3, regs->b3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) pr_err("A4: %08lx B4: %08lx\n", regs->a4, regs->b4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) pr_err("A5: %08lx B5: %08lx\n", regs->a5, regs->b5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) pr_err("A6: %08lx B6: %08lx\n", regs->a6, regs->b6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) pr_err("A7: %08lx B7: %08lx\n", regs->a7, regs->b7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) pr_err("A8: %08lx B8: %08lx\n", regs->a8, regs->b8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) pr_err("A9: %08lx B9: %08lx\n", regs->a9, regs->b9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) pr_err("A10: %08lx B10: %08lx\n", regs->a10, regs->b10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) pr_err("A11: %08lx B11: %08lx\n", regs->a11, regs->b11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) pr_err("A12: %08lx B12: %08lx\n", regs->a12, regs->b12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) pr_err("A13: %08lx B13: %08lx\n", regs->a13, regs->b13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) pr_err("A14: %08lx B14: %08lx\n", regs->a14, regs->dp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) pr_err("A15: %08lx B15: %08lx\n", regs->a15, regs->sp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) pr_err("A16: %08lx B16: %08lx\n", regs->a16, regs->b16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) pr_err("A17: %08lx B17: %08lx\n", regs->a17, regs->b17);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) pr_err("A18: %08lx B18: %08lx\n", regs->a18, regs->b18);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) pr_err("A19: %08lx B19: %08lx\n", regs->a19, regs->b19);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) pr_err("A20: %08lx B20: %08lx\n", regs->a20, regs->b20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) pr_err("A21: %08lx B21: %08lx\n", regs->a21, regs->b21);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) pr_err("A22: %08lx B22: %08lx\n", regs->a22, regs->b22);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) pr_err("A23: %08lx B23: %08lx\n", regs->a23, regs->b23);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) pr_err("A24: %08lx B24: %08lx\n", regs->a24, regs->b24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) pr_err("A25: %08lx B25: %08lx\n", regs->a25, regs->b25);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) pr_err("A26: %08lx B26: %08lx\n", regs->a26, regs->b26);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) pr_err("A27: %08lx B27: %08lx\n", regs->a27, regs->b27);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) pr_err("A28: %08lx B28: %08lx\n", regs->a28, regs->b28);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) pr_err("A29: %08lx B29: %08lx\n", regs->a29, regs->b29);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) pr_err("A30: %08lx B30: %08lx\n", regs->a30, regs->b30);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) pr_err("A31: %08lx B31: %08lx\n", regs->a31, regs->b31);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) void die(char *str, struct pt_regs *fp, int nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) console_verbose();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) pr_err("%s: %08x\n", str, nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) show_regs(fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) pr_err("Process %s (pid: %d, stackpage=%08lx)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) current->comm, current->pid, (PAGE_SIZE +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) (unsigned long) current));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) dump_stack();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) while (1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static void die_if_kernel(char *str, struct pt_regs *fp, int nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) if (user_mode(fp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) die(str, fp, nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* Internal exceptions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static struct exception_info iexcept_table[10] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) { "Oops - instruction fetch", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) { "Oops - fetch packet", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) { "Oops - execute packet", SIGILL, ILL_ILLOPC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) { "Oops - undefined instruction", SIGILL, ILL_ILLOPC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) { "Oops - resource conflict", SIGILL, ILL_ILLOPC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) { "Oops - resource access", SIGILL, ILL_PRVREG },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) { "Oops - privilege", SIGILL, ILL_PRVOPC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) { "Oops - loops buffer", SIGILL, ILL_ILLOPC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) { "Oops - software exception", SIGILL, ILL_ILLTRP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) { "Oops - unknown exception", SIGILL, ILL_ILLOPC }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) /* External exceptions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static struct exception_info eexcept_table[128] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) { "Oops - external exception", SIGBUS, BUS_ADRERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) { "Oops - CPU memory protection fault", SIGSEGV, SEGV_ACCERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) { "Oops - CPU memory protection fault in L1P", SIGSEGV, SEGV_ACCERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) { "Oops - DMA memory protection fault in L1P", SIGSEGV, SEGV_ACCERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) { "Oops - CPU memory protection fault in L1D", SIGSEGV, SEGV_ACCERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) { "Oops - DMA memory protection fault in L1D", SIGSEGV, SEGV_ACCERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) { "Oops - CPU memory protection fault in L2", SIGSEGV, SEGV_ACCERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) { "Oops - DMA memory protection fault in L2", SIGSEGV, SEGV_ACCERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) { "Oops - EMC CPU memory protection fault", SIGSEGV, SEGV_ACCERR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) { "Oops - EMC bus error", SIGBUS, BUS_ADRERR }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static void do_trap(struct exception_info *except_info, struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) unsigned long addr = instruction_pointer(regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) if (except_info->code != TRAP_BRKPT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) pr_err("TRAP: %s PC[0x%lx] signo[%d] code[%d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) except_info->kernel_str, regs->pc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) except_info->signo, except_info->code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) die_if_kernel(except_info->kernel_str, regs, addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) force_sig_fault(except_info->signo, except_info->code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) (void __user *)addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) * Process an internal exception (non maskable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) static int process_iexcept(struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) unsigned int iexcept_report = get_iexcept();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) unsigned int iexcept_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) ack_exception(EXCEPT_TYPE_IXF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) pr_err("IEXCEPT: PC[0x%lx]\n", regs->pc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) while (iexcept_report) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) iexcept_num = __ffs(iexcept_report);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) iexcept_report &= ~(1 << iexcept_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) set_iexcept(iexcept_report);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if (*(unsigned int *)regs->pc == BKPT_OPCODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /* This is a breakpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) struct exception_info bkpt_exception = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) "Oops - undefined instruction",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) SIGTRAP, TRAP_BRKPT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) do_trap(&bkpt_exception, regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) iexcept_report &= ~(0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) set_iexcept(iexcept_report);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) do_trap(&iexcept_table[iexcept_num], regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) * Process an external exception (maskable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) static void process_eexcept(struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) int evt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) pr_err("EEXCEPT: PC[0x%lx]\n", regs->pc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) while ((evt = soc_get_exception()) >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) do_trap(&eexcept_table[evt], regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) ack_exception(EXCEPT_TYPE_EXC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) * Main exception processing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) asmlinkage int process_exception(struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) unsigned int type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) unsigned int type_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) unsigned int ie_num = 9; /* default is unknown exception */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) while ((type = get_except_type()) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) type_num = fls(type) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) switch (type_num) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) case EXCEPT_TYPE_NXF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) ack_exception(EXCEPT_TYPE_NXF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) if (c6x_nmi_handler)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) (c6x_nmi_handler)(regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) pr_alert("NMI interrupt!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) case EXCEPT_TYPE_IXF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) if (process_iexcept(regs))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) case EXCEPT_TYPE_EXC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) process_eexcept(regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) case EXCEPT_TYPE_SXF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) ie_num = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) ack_exception(type_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) do_trap(&iexcept_table[ie_num], regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) static int kstack_depth_to_print = 48;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) static void show_trace(unsigned long *stack, unsigned long *endstack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) const char *loglvl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) unsigned long addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) printk("%sCall trace:", loglvl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) while (stack + 1 <= endstack) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) addr = *stack++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) * If the address is either in the text segment of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) * kernel, or in the region which contains vmalloc'ed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) * memory, it *may* be the address of a calling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) * routine; if so, print it so that someone tracing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) * down the cause of the crash will be able to figure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) * out the call path that was taken.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) if (__kernel_text_address(addr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) #ifndef CONFIG_KALLSYMS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (i % 5 == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) printk("%s\n ", loglvl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) printk("%s [<%08lx>] %pS\n", loglvl, addr, (void *)addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) printk("%s\n", loglvl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) void show_stack(struct task_struct *task, unsigned long *stack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) const char *loglvl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) unsigned long *p, *endstack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if (!stack) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) if (task && task != current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) /* We know this is a kernel stack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) so this is the start/end */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) stack = (unsigned long *)thread_saved_ksp(task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) stack = (unsigned long *)&stack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) endstack = (unsigned long *)(((unsigned long)stack + THREAD_SIZE - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) & -THREAD_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) pr_debug("Stack from %08lx:", (unsigned long)stack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) for (i = 0, p = stack; i < kstack_depth_to_print; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) if (p + 1 > endstack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) if (i % 8 == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) pr_cont("\n ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) pr_cont(" %08lx", *p++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) pr_cont("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) show_trace(stack, endstack, loglvl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) int is_valid_bugaddr(unsigned long addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) return __kernel_text_address(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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