*
* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*
* Derived from the MPC83xx code.
*/
* amount of memory on the system if we're unable to keep all
* the memory mapped in.
*/
-extern ulong get_effective_memsize(void);
#define END_OF_MEM (gd->bd->bi_memstart + get_effective_memsize())
/*
* Trap & Exception support
*/
-void
-print_backtrace (unsigned long *sp)
+static void print_backtrace(unsigned long *sp)
{
int cnt = 0;
unsigned long i;
- puts ("Call backtrace: ");
+ puts("Call backtrace: ");
while (sp) {
if ((uint)sp > END_OF_MEM)
break;
i = sp[1];
if (cnt++ % 7 == 0)
- putc ('\n');
- printf ("%08lX ", i);
+ putc('\n');
+ printf("%08lX ", i);
if (cnt > 32) break;
sp = (unsigned long *) *sp;
}
- putc ('\n');
+ putc('\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);
- putc ('\n');
+ putc('\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) {
- putc ('\n');
+ putc('\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 at pc %lx signal %d", regs->nip,signr);
+ show_regs(regs);
+ print_backtrace((unsigned long *)regs->gpr[1]);
+ panic("Exception at 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);
- if ((fixup = search_exception_table (regs->nip)) != 0) {
+ if (fixup) {
regs->nip = fixup;
return;
}
return;
#endif
- puts ("Machine check.\nCaused by (from msr): ");
- printf ("regs %p ",regs);
+ puts("Machine check.\nCaused by (from msr): ");
+ printf("regs %p ", regs);
switch (regs->msr & 0x00FF0000) {
case (0x80000000 >> 10):
- puts ("Instruction cache parity signal\n");
+ puts("Instruction cache parity signal\n");
break;
case (0x80000000 >> 11):
- puts ("Data cache parity signal\n");
+ puts("Data cache parity signal\n");
break;
case (0x80000000 >> 12):
- puts ("Machine check signal\n");
+ puts("Machine check signal\n");
break;
case (0x80000000 >> 13):
- puts ("Transfer error ack signal\n");
+ puts("Transfer error ack signal\n");
break;
case (0x80000000 >> 14):
- puts ("Data parity signal\n");
+ puts("Data parity signal\n");
break;
case (0x80000000 >> 15):
- puts ("Address parity signal\n");
+ puts("Address parity signal\n");
break;
default:
- puts ("Unknown values in msr\n");
+ puts("Unknown values in msr\n");
}
- show_regs (regs);
- print_backtrace ((unsigned long *)regs->gpr[1]);
+ show_regs(regs);
+ print_backtrace((unsigned long *)regs->gpr[1]);
- panic ("machine check");
+ panic("machine check");
}
-void
-AlignmentException (struct pt_regs *regs)
+void AlignmentException(struct pt_regs *regs)
{
#ifdef 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");
+ 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)
{
#ifdef 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");
+ 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)
{
#ifdef 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");
+ 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)
{
#ifdef CONFIG_CMD_KGDB
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);
}
#ifdef 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);
#ifdef CONFIG_CMD_BEDBUG
- do_bedbug_breakpoint (regs);
+ do_bedbug_breakpoint(regs);
#endif
}
projects / oweals / u-boot.git / blobdiff