diff options
Diffstat (limited to 'arch/openrisc/kernel/entry.S')
| -rw-r--r-- | arch/openrisc/kernel/entry.S | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S index 3ca1b1f490b9..54a87bba35ca 100644 --- a/arch/openrisc/kernel/entry.S +++ b/arch/openrisc/kernel/entry.S @@ -601,7 +601,7 @@ UNHANDLED_EXCEPTION(_vector_0xb00,0xb00) */ _string_syscall_return: - .string "syscall return %ld \n\r\0" + .string "syscall r9:0x%08x -> syscall(%ld) return %ld\0" .align 4 ENTRY(_sys_call_handler) @@ -679,15 +679,25 @@ _syscall_return: _syscall_debug: l.movhi r3,hi(_string_syscall_return) l.ori r3,r3,lo(_string_syscall_return) - l.ori r27,r0,1 + l.ori r27,r0,2 l.sw -4(r1),r27 l.sw -8(r1),r11 - l.addi r1,r1,-8 + l.lwz r29,PT_ORIG_GPR11(r1) + l.sw -12(r1),r29 + l.lwz r29,PT_GPR9(r1) + l.sw -16(r1),r29 l.movhi r27,hi(_printk) l.ori r27,r27,lo(_printk) l.jalr r27 - l.nop - l.addi r1,r1,8 + l.addi r1,r1,-16 + l.addi r1,r1,16 +#endif +#if 0 +_syscall_show_regs: + l.movhi r27,hi(show_registers) + l.ori r27,r27,lo(show_registers) + l.jalr r27 + l.or r3,r1,r1 #endif _syscall_check_trace_leave: |