AcoSail/kernel_optimize_test
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microblaze: Remove old user debugging gdb stub

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Old gdb uses priviledged exception handler to handle
gdb exception. New gdb uses brki r16, 0x18 that's why
we can remove old gdb support.

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek 2010-08-03 11:32:20 +02:00
parent 95d3a8cd15
commit 0425609680
1 changed files with 1 additions and 8 deletions
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9
arch/microblaze/kernel/exceptions.c
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@ -72,7 +72,6 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
int fsr, int addr)
{
#ifdef CONFIG_MMU
int code;
addr = regs->pc;
#endif
@ -144,13 +143,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
#ifdef CONFIG_MMU
case MICROBLAZE_PRIVILEGED_EXCEPTION:
pr_debug("Privileged exception\n");
/* "brk r0,r0" - used as debug breakpoint - old toolchain */
if (get_user(code, (unsigned long *)regs->pc) == 0
&& code == 0x980c0000) {
_exception(SIGTRAP, regs, TRAP_BRKPT, addr);
} else {
_exception(SIGILL, regs, ILL_PRVOPC, addr);
}
_exception(SIGILL, regs, ILL_PRVOPC, addr);
break;
#endif
default: