1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
4 */
5
6 #include <linux/stddef.h>
7 #include <linux/module.h>
8 #include <linux/fs.h>
9 #include <linux/ptrace.h>
10 #include <linux/sched/mm.h>
11 #include <linux/sched/task.h>
12 #include <linux/sched/task_stack.h>
13 #include <linux/slab.h>
14 #include <asm/current.h>
15 #include <asm/processor.h>
16 #include <linux/uaccess.h>
17 #include <as-layout.h>
18 #include <mem_user.h>
19 #include <registers.h>
20 #include <skas.h>
21 #include <os.h>
22
23 void flush_thread(void)
24 {
25 arch_flush_thread(¤t->thread.arch);
26
27 get_safe_registers(current_pt_regs()->regs.gp,
28 current_pt_regs()->regs.fp);
29
30 __switch_mm(¤t->mm->context.id);
31 }
32
33 void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
34 {
35 PT_REGS_IP(regs) = eip;
36 PT_REGS_SP(regs) = esp;
37 clear_thread_flag(TIF_SINGLESTEP);
38 #ifdef SUBARCH_EXECVE1
39 SUBARCH_EXECVE1(regs->regs);
40 #endif
41 }
42 EXPORT_SYMBOL(start_thread);
43
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