diff options
Diffstat (limited to 'arch/microblaze/kernel/entry-nommu.S')
| -rw-r--r-- | arch/microblaze/kernel/entry-nommu.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S index 8cc18cd2cce..ca84368570b 100644 --- a/arch/microblaze/kernel/entry-nommu.S +++ b/arch/microblaze/kernel/entry-nommu.S @@ -588,3 +588,31 @@ sys_rt_sigsuspend_wrapper: #include "syscall_table.S" syscall_table_size=(.-sys_call_table) + +type_SYSCALL: + .ascii "SYSCALL\0" +type_IRQ: + .ascii "IRQ\0" +type_IRQ_PREEMPT: + .ascii "IRQ (PREEMPTED)\0" +type_SYSCALL_PREEMPT: + .ascii " SYSCALL (PREEMPTED)\0" + + /* + * Trap decoding for stack unwinder + * Tuples are (start addr, end addr, string) + * If return address lies on [start addr, end addr], + * unwinder displays 'string' + */ + + .align 4 +.global microblaze_trap_handlers +microblaze_trap_handlers: + /* Exact matches come first */ + .word ret_to_user ; .word ret_to_user ; .word type_SYSCALL + .word ret_from_intr; .word ret_from_intr ; .word type_IRQ + /* Fuzzy matches go here */ + .word ret_from_intr; .word no_intr_resched; .word type_IRQ_PREEMPT + .word work_pending ; .word no_work_pending; .word type_SYSCALL_PREEMPT + /* End of table */ + .word 0 ; .word 0 ; .word 0 |