microblaze: switch to generic fork/vfork/clone

[deliverable/linux.git] / arch / microblaze / kernel / entry.S

diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index 10f360ed82b4038115ed8d6eb9a6faa3460fb382..c217367dfc7b31d14ecf138f2cee3371e8aa0251 100644 (file)
--- 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 */