aboutsummaryrefslogtreecommitdiff
path: root/arch/um/kernel/tt/exec_kern.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/kernel/tt/exec_kern.c')
-rw-r--r--arch/um/kernel/tt/exec_kern.c84
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/um/kernel/tt/exec_kern.c b/arch/um/kernel/tt/exec_kern.c
deleted file mode 100644
index 40126cb5180..00000000000
--- a/arch/um/kernel/tt/exec_kern.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include "linux/kernel.h"
-#include "linux/mm.h"
-#include "asm/signal.h"
-#include "asm/ptrace.h"
-#include "asm/uaccess.h"
-#include "asm/pgalloc.h"
-#include "asm/tlbflush.h"
-#include "kern_util.h"
-#include "irq_user.h"
-#include "mem_user.h"
-#include "os.h"
-#include "tlb.h"
-#include "mode.h"
-
-static int exec_tramp(void *sig_stack)
-{
- init_new_thread_stack(sig_stack, NULL);
- init_new_thread_signals();
- os_stop_process(os_getpid());
- return(0);
-}
-
-void flush_thread_tt(void)
-{
- unsigned long stack;
- int new_pid;
-
- stack = alloc_stack(0, 0);
- if(stack == 0){
- printk(KERN_ERR
- "flush_thread : failed to allocate temporary stack\n");
- do_exit(SIGKILL);
- }
-
- new_pid = start_fork_tramp(task_stack_page(current), stack, 0, exec_tramp);
- if(new_pid < 0){
- printk(KERN_ERR
- "flush_thread : new thread failed, errno = %d\n",
- -new_pid);
- do_exit(SIGKILL);
- }
-
- if(current_thread->cpu == 0)
- forward_interrupts(new_pid);
- current->thread.request.op = OP_EXEC;
- current->thread.request.u.exec.pid = new_pid;
- unprotect_stack((unsigned long) current_thread);
- os_usr1_process(os_getpid());
- change_sig(SIGUSR1, 1);
-
- change_sig(SIGUSR1, 0);
- enable_timer();
- free_page(stack);
- protect_memory(uml_reserved, high_physmem - uml_reserved, 1, 1, 0, 1);
- stack_protections((unsigned long) current_thread);
- force_flush_all();
- unblock_signals();
-}
-
-void start_thread_tt(struct pt_regs *regs, unsigned long eip,
- unsigned long esp)
-{
- set_fs(USER_DS);
- flush_tlb_mm(current->mm);
- PT_REGS_IP(regs) = eip;
- PT_REGS_SP(regs) = esp;
- PT_FIX_EXEC_STACK(esp);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */