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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2012-10-14 01:41:42 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-22 22:31:01 -0400 |
| commit | 7147e215480323bb2617fcebf585c447188ff760 (patch) | |
| tree | fb5d92e4f9e2f4d5d5c8e4449c4ef43e05275826 /arch/sh/kernel/cpu/sh5 | |
| parent | Linux 3.7-rc1 (diff) | |
| download | linux-dev-7147e215480323bb2617fcebf585c447188ff760.tar.xz linux-dev-7147e215480323bb2617fcebf585c447188ff760.zip | |
sh: switch to generic kernel_thread()/kernel_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sh/kernel/cpu/sh5')
| -rw-r--r-- | arch/sh/kernel/cpu/sh5/entry.S | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S index 7e605b95592a..0c8d0377d40b 100644 --- a/arch/sh/kernel/cpu/sh5/entry.S +++ b/arch/sh/kernel/cpu/sh5/entry.S @@ -1228,6 +1228,25 @@ ret_from_fork: pta ret_from_syscall, tr0 blink tr0, ZERO +.global ret_from_kernel_thread +ret_from_kernel_thread: + + movi schedule_tail,r5 + ori r5, 1, r5 + ptabs r5, tr0 + blink tr0, LINK + + ld.q SP, FRAME_R(2), r2 + ld.q SP, FRAME_R(3), r3 + ptabs r3, tr0 + blink tr0, LINK + + ld.q SP, FRAME_S(FSPC), r2 + addi r2, 4, r2 /* Move PC, being pre-execution event */ + st.q SP, FRAME_S(FSPC), r2 + pta ret_from_syscall, tr0 + blink tr0, ZERO + syscall_allowed: /* Use LINK to deflect the exit point, default is syscall_ret */ pta syscall_ret, tr0 |