diff options
| author | Mark Salter <msalter@redhat.com> | 2012-09-21 12:26:37 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-01 00:59:08 -0400 |
| commit | 46f15067c020a0ce712cb2d3ef38c0589a521c15 (patch) | |
| tree | f980e4faf9dccc1be052fdbbb1dbd785c6238cc6 /arch/c6x/kernel/entry.S | |
| parent | 61b7fbc3f4ebdcfd34f9438adfab8df936a19e33 (diff) | |
c6x: add ret_from_kernel_thread(), simplify kernel_thread()
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/c6x/kernel/entry.S')
| -rw-r--r-- | arch/c6x/kernel/entry.S | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/c6x/kernel/entry.S b/arch/c6x/kernel/entry.S index 30b37e5f4a6..6e6bd9d3d9c 100644 --- a/arch/c6x/kernel/entry.S +++ b/arch/c6x/kernel/entry.S @@ -400,6 +400,26 @@ ret_from_fork_2: STW .D2T2 B0,*+SP(REGS_A4+8) ENDPROC(ret_from_fork) +ENTRY(ret_from_kernel_thread) +#ifdef CONFIG_C6X_BIG_KERNEL + MVKL .S1 schedule_tail,A0 + MVKH .S1 schedule_tail,A0 + B .S2X A0 +#else + B .S2 schedule_tail +#endif + LDW .D2T2 *+SP(REGS_A0+8),B10 /* get fn */ + ADDKPC .S2 0f,B3,3 +0: + B .S2 B10 /* call fn */ + LDW .D2T1 *+SP(REGS_A1+8),A4 /* get arg */ + MVKL .S2 sys_exit,B11 + MVKH .S2 sys_exit,B11 + ADDKPC .S2 0f,B3,1 +0: + BNOP .S2 B11,5 /* jump to sys_exit */ +ENDPROC(ret_from_kernel_thread) + ;; ;; These are the interrupt handlers, responsible for calling __do_IRQ() ;; int6 is used for syscalls (see _system_call entry) |