ARM: LPAE: Add fault handling support

The DFSR and IFSR register format is different when LPAE is enabled. In
addition, DFSR and IFSR have similar definitions for the fault type.
This modifies the fault code to correctly handle the new format.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 814a52a9dc39..d6a95ef9131d 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -1016,10 +1016,10 @@ static int __init arch_hw_breakpoint_init(void)
         }
 
         /* Register debug fault handler. */
-        hook_fault_code(2, hw_breakpoint_pending, SIGTRAP, TRAP_HWBKPT,
-                        "watchpoint debug exception");
-        hook_ifault_code(2, hw_breakpoint_pending, SIGTRAP, TRAP_HWBKPT,
-                        "breakpoint debug exception");
+        hook_fault_code(FAULT_CODE_DEBUG, hw_breakpoint_pending, SIGTRAP,
+                        TRAP_HWBKPT, "watchpoint debug exception");
+        hook_ifault_code(FAULT_CODE_DEBUG, hw_breakpoint_pending, SIGTRAP,
+                        TRAP_HWBKPT, "breakpoint debug exception");
 
         /* Register hotplug notifier. */
         register_cpu_notifier(&dbg_reset_nb);