2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
6 #include "linux/kernel.h"
8 #include "asm/signal.h"
9 #include "asm/ptrace.h"
10 #include "asm/uaccess.h"
11 #include "asm/pgalloc.h"
12 #include "asm/tlbflush.h"
13 #include "user_util.h"
14 #include "kern_util.h"
16 #include "time_user.h"
21 static int exec_tramp(void *sig_stack)
23 init_new_thread_stack(sig_stack, NULL);
24 init_new_thread_signals(1);
25 os_stop_process(os_getpid());
29 void flush_thread_tt(void)
34 stack = alloc_stack(0, 0);
37 "flush_thread : failed to allocate temporary stack\n");
41 new_pid = start_fork_tramp((void *) current->thread.kernel_stack,
42 stack, 0, exec_tramp);
45 "flush_thread : new thread failed, errno = %d\n",
50 if(current->thread_info->cpu == 0)
51 forward_interrupts(new_pid);
52 current->thread.request.op = OP_EXEC;
53 current->thread.request.u.exec.pid = new_pid;
54 unprotect_stack((unsigned long) current->thread_info);
55 os_usr1_process(os_getpid());
59 protect_memory(uml_reserved, high_physmem - uml_reserved, 1, 1, 0, 1);
60 task_protections((unsigned long) current->thread_info);
65 void start_thread_tt(struct pt_regs *regs, unsigned long eip,
69 flush_tlb_mm(current->mm);
70 PT_REGS_IP(regs) = eip;
71 PT_REGS_SP(regs) = esp;
72 PT_FIX_EXEC_STACK(esp);
76 * Overrides for Emacs so that we follow Linus's tabbing style.
77 * Emacs will notice this stuff at the end of the file and automatically
78 * adjust the settings for this buffer only. This must remain at the end
80 * ---------------------------------------------------------------------------
82 * c-file-style: "linux"