diff options
Diffstat (limited to 'arch/microblaze/kernel/entry.S')
| -rw-r--r-- | arch/microblaze/kernel/entry.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index 1cf702a..be76d13 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -484,6 +484,15 @@ C_ENTRY(ret_from_fork): brid ret_from_trap; /* Do normal trap return */ add r3, r0, r0; /* Child's fork call should return 0. */ +C_ENTRY(ret_from_kernel_thread): + bralid r15, schedule_tail; /* ...which is schedule_tail's arg */ + add r5, r3, r0; /* switch_thread returns the prev task */ + /* ( in the delay slot ) */ + brald r15, r20 /* fn was left in r20 */ + addk r5, r0, r19 /* ... and argument - in r19 */ + brid sys_exit /* won't be returning... */ + addk r5, r0, r0 + C_ENTRY(sys_vfork): brid microblaze_vfork /* Do real work (tail-call) */ addik r5, r1, 0 |