| 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 | } |
| 39 | EXPORT_SYMBOL(start_thread); |