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| author | Linus Torvalds | 2010-08-05 17:59:22 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2010-08-05 17:59:22 +0200 |
| commit | bbc4fd12a635492ad9d12bb418124fa2d5f0d734 (patch) | |
| tree | fe245d350db180d499a9e9d6dc84bbb308f33dc2 /arch/microblaze/kernel/entry-nommu.S | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 (diff) | |
| parent | microblaze: Add KGDB support (diff) | |
| download | kernel-qcow2-linux-bbc4fd12a635492ad9d12bb418124fa2d5f0d734.tar.gz kernel-qcow2-linux-bbc4fd12a635492ad9d12bb418124fa2d5f0d734.tar.xz kernel-qcow2-linux-bbc4fd12a635492ad9d12bb418124fa2d5f0d734.zip | |
Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (49 commits)
microblaze: Add KGDB support
microblaze: Support brki rX, 0x18 for user application debugging
microblaze: Remove nop after MSRCLR/SET, MTS, MFS instructions
microblaze: Simplify syscall rutine
microblaze: Move PT_MODE saving to delay slot
microblaze: Fix _interrupt function
microblaze: Fix _user_exception function
microblaze: Put together addik instructions
microblaze: Use delay slot in syscall macros
microblaze: Save kernel mode in delay slot
microblaze: Do not mix register saving and mode setting
microblaze: Move SAVE_STATE upward
microblaze: entry.S: Macro optimization
microblaze: Optimize hw exception rutine
microblaze: Implement clear_ums macro and fix SAVE_STATE macro
microblaze: Remove additional setup for kernel_mode
microblaze: Optimize SAVE_STATE macro
microblaze: Remove additional loading
microblaze: Completely remove working with R11 register
microblaze: Do not setup BIP in _debug_exception
...
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 8cc18cd2cce6..ca84368570b6 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 |