m68k: sanitize copy_thread(), fork/vfork/clone wrappers, switch to generic fork/vfork

[profile/ivi/kernel-adaptation-intel-automotive.git] / arch / m68k / kernel / entry.S

diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index 946cb01..a78f564 100644 (file)
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -44,34 +44,29 @@
 
 .globl system_call, buserr, trap, resume
 .globl sys_call_table
-.globl sys_fork, sys_clone, sys_vfork
+.globl __sys_fork, __sys_clone, __sys_vfork
 .globl ret_from_interrupt, bad_interrupt
 .globl auto_irqhandler_fixup
 .globl user_irqvec_fixup
 
 .text
-ENTRY(sys_fork)
+ENTRY(__sys_fork)
        SAVE_SWITCH_STACK
-       pea     %sp@(SWITCH_STACK_SIZE)
-       jbsr    m68k_fork
-       addql   #4,%sp
-       RESTORE_SWITCH_STACK
+       jbsr    sys_fork
+       lea     %sp@(24),%sp
        rts
 
-ENTRY(sys_clone)
+ENTRY(__sys_clone)
        SAVE_SWITCH_STACK
        pea     %sp@(SWITCH_STACK_SIZE)
        jbsr    m68k_clone
-       addql   #4,%sp
-       RESTORE_SWITCH_STACK
+       lea     %sp@(28),%sp
        rts
 
-ENTRY(sys_vfork)
+ENTRY(__sys_vfork)
        SAVE_SWITCH_STACK
-       pea     %sp@(SWITCH_STACK_SIZE)
-       jbsr    m68k_vfork
-       addql   #4,%sp
-       RESTORE_SWITCH_STACK
+       jbsr    sys_vfork
+       lea     %sp@(24),%sp
        rts
 
 ENTRY(sys_sigreturn)
@@ -115,16 +110,9 @@ ENTRY(ret_from_kernel_thread)
        | a3 contains the kernel thread payload, d7 - its argument
        movel   %d1,%sp@-
        jsr     schedule_tail
-       GET_CURRENT(%d0)
        movel   %d7,(%sp)
        jsr     %a3@
        addql   #4,%sp
-       movel   %d0,(%sp)
-       jra     sys_exit
-
-ENTRY(ret_from_kernel_execve)
-       movel   4(%sp), %sp
-       GET_CURRENT(%d0)
        jra     ret_from_exception
 
 #if defined(CONFIG_COLDFIRE) || !defined(CONFIG_MMU)