diff options
Diffstat (limited to 'arch/h8300/kernel/process.c')
| -rw-r--r-- | arch/h8300/kernel/process.c | 38 |
1 files changed, 3 insertions, 35 deletions
diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c index 2a45718cc5e8..b0fb4054aee5 100644 --- a/arch/h8300/kernel/process.c +++ b/arch/h8300/kernel/process.c @@ -127,40 +127,9 @@ void flush_thread(void) { } -/* - * "h8300_fork()".. By the time we get here, the - * non-volatile registers have also been saved on the - * stack. We do some ugly pointer stuff here.. (see - * also copy_thread) - */ - -asmlinkage int h8300_fork(struct pt_regs *regs) -{ - return -EINVAL; -} - -asmlinkage int h8300_vfork(struct pt_regs *regs) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), regs, 0, NULL, NULL); -} - -asmlinkage int h8300_clone(struct pt_regs *regs) -{ - unsigned long clone_flags; - unsigned long newsp; - - /* syscall2 puts clone_flags in er1 and usp in er2 */ - clone_flags = regs->er1; - newsp = regs->er2; - if (!newsp) - newsp = rdusp(); - return do_fork(clone_flags, newsp, regs, 0, NULL, NULL); - -} - int copy_thread(unsigned long clone_flags, unsigned long usp, unsigned long topstk, - struct task_struct * p, struct pt_regs * regs) + struct task_struct * p, struct pt_regs *unused) { struct pt_regs * childregs; @@ -173,11 +142,10 @@ int copy_thread(unsigned long clone_flags, childregs->er5 = usp; /* fn */ p->thread.ksp = (unsigned long)childregs; } - *childregs = *regs; + *childregs = *current_pt_regs(); childregs->retpc = (unsigned long) ret_from_fork; childregs->er0 = 0; - - p->thread.usp = usp; + p->thread.usp = usp ?: rdusp(); p->thread.ksp = (unsigned long)childregs; return 0; |