diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-27 00:03:41 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-28 22:43:40 -0500 |
| commit | f3268edbe6fe0ce56e62c6d6b14640aeb04864b7 (patch) | |
| tree | 1ff80222598a1f259ab1910affe0740478090369 /arch/microblaze/kernel/entry.S | |
| parent | f01aceac61ad5cc9ea463f6bb185c1f72702357f (diff) | |
microblaze: switch to generic fork/vfork/clone
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/microblaze/kernel/entry.S')
| -rw-r--r-- | arch/microblaze/kernel/entry.S | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index 10f360ed82b4..c217367dfc7b 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -442,18 +442,6 @@ TRAP_return: /* Make global symbol for debugging */ nop; -/* These syscalls need access to the struct pt_regs on the stack, so we - implement them in assembly (they're basically all wrappers anyway). */ - -C_ENTRY(sys_fork_wrapper): - addi r5, r0, SIGCHLD /* Arg 0: flags */ - lwi r6, r1, PT_R1 /* Arg 1: child SP (use parent's) */ - addik r7, r1, 0 /* Arg 2: parent context */ - add r8, r0, r0 /* Arg 3: (unused) */ - add r9, r0, r0; /* Arg 4: (unused) */ - brid do_fork /* Do real work (tail-call) */ - add r10, r0, r0; /* Arg 5: (unused) */ - /* This the initial entry point for a new child thread, with an appropriate stack in place that makes it look the the child is in the middle of an syscall. This function is actually `returned to' from switch_thread @@ -475,20 +463,6 @@ C_ENTRY(ret_from_kernel_thread): brid ret_from_trap add r3, r0, r0 -C_ENTRY(sys_vfork): - brid microblaze_vfork /* Do real work (tail-call) */ - addik r5, r1, 0 - -C_ENTRY(sys_clone): - bnei r6, 1f; /* See if child SP arg (arg 1) is 0. */ - lwi r6, r1, PT_R1; /* If so, use paret's stack ptr */ -1: addik r7, r1, 0; /* Arg 2: parent context */ - lwi r9, r1, PT_R8; /* parent tid. */ - lwi r10, r1, PT_R9; /* child tid. */ - /* do_fork will pick up TLS from regs->r10. */ - brid do_fork /* Do real work (tail-call) */ - add r8, r0, r0; /* Arg 3: (unused) */ - C_ENTRY(sys_rt_sigreturn_wrapper): brid sys_rt_sigreturn /* Do real work */ addik r5, r1, 0; /* add user context as 1st arg */ |