diff options
Diffstat (limited to 'arch/sparc/kernel/entry.S')
| -rw-r--r-- | arch/sparc/kernel/entry.S | 29 |
1 files changed, 7 insertions, 22 deletions
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index f636acf3312f..d58940280f8d 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -869,14 +869,11 @@ flush_patch_two: ld [%curptr + TI_TASK], %o4 rd %psr, %g4 WRITE_PAUSE - mov SIGCHLD, %o0 ! arg0: clone flags rd %wim, %g5 WRITE_PAUSE - mov %fp, %o1 ! arg1: usp std %g4, [%o4 + AOFF_task_thread + AOFF_thread_fork_kpsr] - add %sp, STACKFRAME_SZ, %o2 ! arg2: pt_regs ptr - mov 0, %o3 - call sparc_do_fork + add %sp, STACKFRAME_SZ, %o0 + call sparc_fork mov %l5, %o7 /* Whee, kernel threads! */ @@ -888,19 +885,11 @@ flush_patch_three: ld [%curptr + TI_TASK], %o4 rd %psr, %g4 WRITE_PAUSE - - /* arg0,1: flags,usp -- loaded already */ - cmp %o1, 0x0 ! Is new_usp NULL? rd %wim, %g5 WRITE_PAUSE - be,a 1f - mov %fp, %o1 ! yes, use callers usp - andn %o1, 7, %o1 ! no, align to 8 bytes -1: std %g4, [%o4 + AOFF_task_thread + AOFF_thread_fork_kpsr] - add %sp, STACKFRAME_SZ, %o2 ! arg2: pt_regs ptr - mov 0, %o3 - call sparc_do_fork + add %sp, STACKFRAME_SZ, %o0 + call sparc_clone mov %l5, %o7 /* Whee, real vfork! */ @@ -914,13 +903,9 @@ flush_patch_four: rd %wim, %g5 WRITE_PAUSE std %g4, [%o4 + AOFF_task_thread + AOFF_thread_fork_kpsr] - sethi %hi(0x4000 | 0x0100 | SIGCHLD), %o0 - mov %fp, %o1 - or %o0, %lo(0x4000 | 0x0100 | SIGCHLD), %o0 - sethi %hi(sparc_do_fork), %l1 - mov 0, %o3 - jmpl %l1 + %lo(sparc_do_fork), %g0 - add %sp, STACKFRAME_SZ, %o2 + sethi %hi(sparc_vfork), %l1 + jmpl %l1 + %lo(sparc_vfork), %g0 + add %sp, STACKFRAME_SZ, %o0 .align 4 linux_sparc_ni_syscall: |