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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/u-boot/arch/powerpc/cpu/74xx_7xx/traps.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/arch/powerpc/cpu/74xx_7xx/traps.c')
-rw-r--r--qemu/roms/u-boot/arch/powerpc/cpu/74xx_7xx/traps.c218
1 files changed, 0 insertions, 218 deletions
diff --git a/qemu/roms/u-boot/arch/powerpc/cpu/74xx_7xx/traps.c b/qemu/roms/u-boot/arch/powerpc/cpu/74xx_7xx/traps.c
deleted file mode 100644
index 111c86cc1..000000000
--- a/qemu/roms/u-boot/arch/powerpc/cpu/74xx_7xx/traps.c
+++ /dev/null
@@ -1,218 +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>
-
-/* 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 0x02000000
-
-/*
- * Trap & Exception support
- */
-
-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");
-}
-
-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");
- }
- }
-}
-
-
-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);
-}
-
-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 - probably due to mm fault\n"
- "with mmu off\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");
-}
-
-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");
-}
-
-void ProgramCheckException(struct pt_regs *regs)
-{
- unsigned char *p = regs ? (unsigned char *)(regs->nip) : NULL;
- int i, j;
-
-#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler && (*debugger_exception_handler)(regs))
- return;
-#endif
- show_regs(regs);
-
- p = (unsigned char *) ((unsigned long)p & 0xFFFFFFE0);
- p -= 32;
- for (i = 0; i < 256; i+=16) {
- printf("%08x: ", (unsigned int)p+i);
- for (j = 0; j < 16; j++) {
- printf("%02x ", p[i+j]);
- }
- printf("\n");
- }
-
- print_backtrace((unsigned long *)regs->gpr[1]);
- panic("Program Check Exception");
-}
-
-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");
-}
-
-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);
-}
-
-/* Probe an address by reading. If not present, return -1, otherwise
- * return 0.
- */
-int addr_probe(uint *addr)
-{
-#if 0
- int retval;
-
- __asm__ __volatile__( \
- "1: lwz %0,0(%1)\n" \
- " eieio\n" \
- " li %0,0\n" \
- "2:\n" \
- ".section .fixup,\"ax\"\n" \
- "3: li %0,-1\n" \
- " b 2b\n" \
- ".section __ex_table,\"a\"\n" \
- " .align 2\n" \
- " .long 1b,3b\n" \
- ".text" \
- : "=r" (retval) : "r"(addr));
-
- return (retval);
-#endif
- return 0;
-}