summaryrefslogtreecommitdiff
path: root/arch/powerpc/cpu/mpc5xx/traps.c
diff options
context:
space:
mode:
authorHeiko Schocher <hs@denx.de>2017-06-07 15:33:11 (GMT)
committerTom Rini <trini@konsulko.com>2017-06-12 12:38:05 (GMT)
commit502589777416aaee32e4ba1682c6eb3aa3a88e1c (patch)
tree11b6c98a966258866e7c75bbba8ebacc1acb1ba7 /arch/powerpc/cpu/mpc5xx/traps.c
parent2eb48ff7a210ddd2a39bac23b3b9b39c60c32aef (diff)
downloadu-boot-fsl-qoriq-502589777416aaee32e4ba1682c6eb3aa3a88e1c.tar.xz
powerpc, 5xx: remove support for 5xx
There was for long time no activity in the 5xx area. We need to go further and convert to Kconfig, but it turned out, nobody is interested anymore in 5xx, so remove it. Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'arch/powerpc/cpu/mpc5xx/traps.c')
-rw-r--r--arch/powerpc/cpu/mpc5xx/traps.c211
1 files changed, 0 insertions, 211 deletions
diff --git a/arch/powerpc/cpu/mpc5xx/traps.c b/arch/powerpc/cpu/mpc5xx/traps.c
deleted file mode 100644
index 6f31d81..0000000
--- a/arch/powerpc/cpu/mpc5xx/traps.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * linux/arch/powerpc/kernel/traps.c
- *
- * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- * Modified by Cort Dougan (cort@cs.nmt.edu)
- * and Paul Mackerras (paulus@cs.anu.edu.au)
- *
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-/*
- * This file handles the architecture-dependent parts of hardware exceptions
- */
-
-#include <common.h>
-#include <command.h>
-#include <kgdb.h>
-#include <asm/processor.h>
-
-#if defined(CONFIG_CMD_BEDBUG)
-extern void do_bedbug_breakpoint(struct pt_regs *);
-#endif
-
-/* Returns 0 if exception not found and fixup otherwise. */
-extern unsigned long search_exception_table(unsigned long);
-
-/* THIS NEEDS CHANGING to use the board info structure.
-*/
-#define END_OF_MEM 0x0001000
-
-
-/*
- * Print stack backtrace
- */
-static void print_backtrace(unsigned long *sp)
-{
- int cnt = 0;
- unsigned long i;
-
- printf("Call backtrace: ");
- while (sp) {
- if ((uint)sp > END_OF_MEM)
- break;
-
- i = sp[1];
- if (cnt++ % 7 == 0)
- printf("\n");
- printf("%08lX ", i);
- if (cnt > 32) break;
- sp = (unsigned long *)*sp;
- }
- printf("\n");
-}
-
-/*
- * Print current registers
- */
-void show_regs(struct pt_regs *regs)
-{
- int i;
- printf("NIP: %08lX XER: %08lX LR: %08lX REGS: %p TRAP: %04lx DAR: %08lX\n",
- regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);
- printf("MSR: %08lx EE: %01x PR: %01x FP: %01x ME: %01x IR/DR: %01x%01x\n",
- regs->msr, regs->msr&MSR_EE ? 1 : 0, regs->msr&MSR_PR ? 1 : 0,
- regs->msr & MSR_FP ? 1 : 0,regs->msr&MSR_ME ? 1 : 0,
- regs->msr&MSR_IR ? 1 : 0,
- regs->msr&MSR_DR ? 1 : 0);
-
- printf("\n");
- for (i = 0; i < 32; i++) {
- if ((i % 8) == 0)
- {
- printf("GPR%02d: ", i);
- }
-
- printf("%08lX ", regs->gpr[i]);
- if ((i % 8) == 7)
- {
- printf("\n");
- }
- }
-}
-
-
-/*
- * General exception handler routine
- */
-static void _exception(int signr, struct pt_regs *regs)
-{
- show_regs(regs);
- print_backtrace((unsigned long *)regs->gpr[1]);
- panic("Exception in kernel pc %lx signal %d",regs->nip,signr);
-}
-
-/*
- * Machine check exception handler routine
- */
-void MachineCheckException(struct pt_regs *regs)
-{
- unsigned long fixup;
-
- /* Probing PCI using config cycles cause this exception
- * when a device is not present. Catch it and return to
- * the PCI exception handler.
- */
- if ((fixup = search_exception_table(regs->nip)) != 0) {
- regs->nip = fixup;
- return;
- }
-
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler && (*debugger_exception_handler)(regs))
- return;
-#endif
-
- printf("Machine check in kernel mode.\n");
- printf("Caused by (from msr): ");
- printf("regs %p ",regs);
- switch( regs->msr & 0x000F0000) {
- case (0x80000000>>12):
- printf("Machine check signal\n");
- break;
- case (0x80000000>>13):
- printf("Transfer error ack signal\n");
- break;
- case (0x80000000>>14):
- printf("Data parity signal\n");
- break;
- case (0x80000000>>15):
- printf("Address parity signal\n");
- break;
- default:
- printf("Unknown values in msr\n");
- }
- show_regs(regs);
- print_backtrace((unsigned long *)regs->gpr[1]);
- panic("machine check");
-}
-
-/*
- * Alignment exception handler routine
- */
-void AlignmentException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler && (*debugger_exception_handler)(regs))
- return;
-#endif
- show_regs(regs);
- print_backtrace((unsigned long *)regs->gpr[1]);
- panic("Alignment Exception");
-}
-
-/*
- * Program check exception handler routine
- */
-void ProgramCheckException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler && (*debugger_exception_handler)(regs))
- return;
-#endif
- show_regs(regs);
- print_backtrace((unsigned long *)regs->gpr[1]);
- panic("Program Check Exception");
-}
-
-/*
- * Software emulation exception handler routine
- */
-void SoftEmuException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler && (*debugger_exception_handler)(regs))
- return;
-#endif
- show_regs(regs);
- print_backtrace((unsigned long *)regs->gpr[1]);
- panic("Software Emulation Exception");
-}
-
-
-/*
- * Unknown exception handler routine
- */
-void UnknownException(struct pt_regs *regs)
-{
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler && (*debugger_exception_handler)(regs))
- return;
-#endif
- printf("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
- regs->nip, regs->msr, regs->trap);
- _exception(0, regs);
-}
-
-/*
- * Debug exception handler routine
- */
-void DebugException(struct pt_regs *regs)
-{
- printf("Debugger trap at @ %lx\n", regs->nip );
- show_regs(regs);
-#if defined(CONFIG_CMD_BEDBUG)
- do_bedbug_breakpoint( regs );
-#endif
-}