diff options
Diffstat (limited to 'arch/ppc64/xmon/xmon.c')
| -rw-r--r-- | arch/ppc64/xmon/xmon.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/arch/ppc64/xmon/xmon.c b/arch/ppc64/xmon/xmon.c index 7f6e13a4b71e..45908b10acd3 100644 --- a/arch/ppc64/xmon/xmon.c +++ b/arch/ppc64/xmon/xmon.c @@ -329,13 +329,16 @@ int xmon_core(struct pt_regs *regs, int fromipi) printf("cpu 0x%x: Exception %lx %s in xmon, " "returning to main loop\n", cpu, regs->trap, getvecname(TRAP(regs))); + release_output_lock(); longjmp(xmon_fault_jmp[cpu], 1); } if (setjmp(recurse_jmp) != 0) { if (!in_xmon || !xmon_gate) { + get_output_lock(); printf("xmon: WARNING: bad recursive fault " "on cpu 0x%x\n", cpu); + release_output_lock(); goto waiting; } secondary = !(xmon_taken && cpu == xmon_owner); @@ -2493,15 +2496,25 @@ static void dump_stab(void) } } -void xmon_init(void) +void xmon_init(int enable) { - __debugger = xmon; - __debugger_ipi = xmon_ipi; - __debugger_bpt = xmon_bpt; - __debugger_sstep = xmon_sstep; - __debugger_iabr_match = xmon_iabr_match; - __debugger_dabr_match = xmon_dabr_match; - __debugger_fault_handler = xmon_fault_handler; + if (enable) { + __debugger = xmon; + __debugger_ipi = xmon_ipi; + __debugger_bpt = xmon_bpt; + __debugger_sstep = xmon_sstep; + __debugger_iabr_match = xmon_iabr_match; + __debugger_dabr_match = xmon_dabr_match; + __debugger_fault_handler = xmon_fault_handler; + } else { + __debugger = NULL; + __debugger_ipi = NULL; + __debugger_bpt = NULL; + __debugger_sstep = NULL; + __debugger_iabr_match = NULL; + __debugger_dabr_match = NULL; + __debugger_fault_handler = NULL; + } } void dump_segments(void) |