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Diffstat (limited to 'arch/powerpc/cpu/mpc8220')
-rw-r--r--arch/powerpc/cpu/mpc8220/traps.c119
1 files changed, 57 insertions, 62 deletions
diff --git a/arch/powerpc/cpu/mpc8220/traps.c b/arch/powerpc/cpu/mpc8220/traps.c
index 13894c9..19d6cb5 100644
--- a/arch/powerpc/cpu/mpc8220/traps.c
+++ b/arch/powerpc/cpu/mpc8220/traps.c
@@ -39,7 +39,7 @@
#include <asm/processor.h>
/* Returns 0 if exception not found and fixup otherwise. */
-extern unsigned long search_exception_table (unsigned long);
+extern unsigned long search_exception_table(unsigned long);
/* THIS NEEDS CHANGING to use the board info structure.
*/
@@ -49,171 +49,166 @@ extern unsigned long search_exception_table (unsigned long);
* Trap & Exception support
*/
-void print_backtrace (unsigned long *sp)
+static void print_backtrace(unsigned long *sp)
{
int cnt = 0;
unsigned long i;
- printf ("Call backtrace: ");
+ printf("Call backtrace: ");
while (sp) {
if ((uint) sp > END_OF_MEM)
break;
i = sp[1];
if (cnt++ % 7 == 0)
- printf ("\n");
- printf ("%08lX ", i);
+ printf("\n");
+ printf("%08lX ", i);
if (cnt > 32)
break;
sp = (unsigned long *) *sp;
}
- printf ("\n");
+ printf("\n");
}
-void show_regs (struct pt_regs *regs)
+void show_regs(struct pt_regs *regs)
{
int i;
- printf ("NIP: %08lX XER: %08lX LR: %08lX REGS: %p TRAP: %04lx DAR: %08lX\n",
+ 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",
+ 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");
+ printf("\n");
for (i = 0; i < 32; i++) {
if ((i % 8) == 0) {
- printf ("GPR%02d: ", i);
+ printf("GPR%02d: ", i);
}
- printf ("%08lX ", regs->gpr[i]);
+ printf("%08lX ", regs->gpr[i]);
if ((i % 8) == 7) {
- printf ("\n");
+ printf("\n");
}
}
}
-void _exception (int signr, struct pt_regs *regs)
+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);
+ 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)
+void MachineCheckException(struct pt_regs *regs)
{
- unsigned long fixup;
+ unsigned long fixup = search_exception_table(regs->nip);
/* 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) {
+ if (fixup) {
regs->nip = fixup;
return;
}
#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler
- && (*debugger_exception_handler) (regs))
+ 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);
+ printf("Machine check in kernel mode.\n");
+ printf("Caused by (from msr): ");
+ printf("regs %p ", regs);
/* refer to 603e Manual (MPC603EUM/AD), chapter 4.5.2.1 */
switch (regs->msr & 0x000F0000) {
case (0x80000000 >> 12):
- printf ("Machine check signal - probably due to mm fault\n"
+ printf("Machine check signal - probably due to mm fault\n"
"with mmu off\n");
break;
case (0x80000000 >> 13):
- printf ("Transfer error ack signal\n");
+ printf("Transfer error ack signal\n");
break;
case (0x80000000 >> 14):
- printf ("Data parity signal\n");
+ printf("Data parity signal\n");
break;
case (0x80000000 >> 15):
- printf ("Address parity signal\n");
+ printf("Address parity signal\n");
break;
default:
- printf ("Unknown values in msr\n");
+ printf("Unknown values in msr\n");
}
- show_regs (regs);
- print_backtrace ((unsigned long *) regs->gpr[1]);
- panic ("machine check");
+ show_regs(regs);
+ print_backtrace((unsigned long *) regs->gpr[1]);
+ panic("machine check");
}
-void AlignmentException (struct pt_regs *regs)
+void AlignmentException(struct pt_regs *regs)
{
#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler
- && (*debugger_exception_handler) (regs))
+ if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
- show_regs (regs);
- print_backtrace ((unsigned long *) regs->gpr[1]);
- panic ("Alignment Exception");
+ show_regs(regs);
+ print_backtrace((unsigned long *) regs->gpr[1]);
+ panic("Alignment Exception");
}
-void ProgramCheckException (struct pt_regs *regs)
+void ProgramCheckException(struct pt_regs *regs)
{
#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler
- && (*debugger_exception_handler) (regs))
+ if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
- show_regs (regs);
- print_backtrace ((unsigned long *) regs->gpr[1]);
- panic ("Program Check Exception");
+ show_regs(regs);
+ print_backtrace((unsigned long *) regs->gpr[1]);
+ panic("Program Check Exception");
}
-void SoftEmuException (struct pt_regs *regs)
+void SoftEmuException(struct pt_regs *regs)
{
#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler
- && (*debugger_exception_handler) (regs))
+ if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
- show_regs (regs);
- print_backtrace ((unsigned long *) regs->gpr[1]);
- panic ("Software Emulation Exception");
+ show_regs(regs);
+ print_backtrace((unsigned long *) regs->gpr[1]);
+ panic("Software Emulation Exception");
}
-void UnknownException (struct pt_regs *regs)
+void UnknownException(struct pt_regs *regs)
{
#if defined(CONFIG_CMD_KGDB)
- if (debugger_exception_handler
- && (*debugger_exception_handler) (regs))
+ if (debugger_exception_handler && (*debugger_exception_handler)(regs))
return;
#endif
- printf ("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
+ printf("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
regs->nip, regs->msr, regs->trap);
- _exception (0, regs);
+ _exception(0, regs);
}
#if defined(CONFIG_CMD_BEDBUG)
-extern void do_bedbug_breakpoint (struct pt_regs *);
+extern void do_bedbug_breakpoint(struct pt_regs *);
#endif
-void DebugException (struct pt_regs *regs)
+void DebugException(struct pt_regs *regs)
{
- printf ("Debugger trap at @ %lx\n", regs->nip);
- show_regs (regs);
+ printf("Debugger trap at @ %lx\n", regs->nip);
+ show_regs(regs);
#if defined(CONFIG_CMD_BEDBUG)
- do_bedbug_breakpoint (regs);
+ do_bedbug_breakpoint(regs);
#endif
}
/* Probe an address by reading. If not present, return -1, otherwise
* return 0.
*/
-int addr_probe (uint * addr)
+int addr_probe(uint *addr)
{
#if 0
int retval;
generated by cgit v1.1 at 2024-11-09 19:56:12 +0000