diff options
Diffstat (limited to 'libcpu/ia32/context_gcc.S')
| -rw-r--r-- | libcpu/ia32/context_gcc.S | 36 |
1 files changed, 2 insertions, 34 deletions
diff --git a/libcpu/ia32/context_gcc.S b/libcpu/ia32/context_gcc.S index a8ad867b91..32233303c7 100644 --- a/libcpu/ia32/context_gcc.S +++ b/libcpu/ia32/context_gcc.S @@ -1,11 +1,7 @@ /* - * File : context_gcc.S - * This file is part of RT-Thread RTOS - * COPYRIGHT (C) 2006, RT-Thread Development Team + * Copyright (c) 2006-2021, RT-Thread Development Team * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rt-thread.org/license/LICENSE + * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes @@ -83,31 +79,3 @@ rt_hw_context_switch_to: pop %ds add $4, %esp /* skip irqno */ iret - -/* - * void rt_hw_context_switch_interrupt(rt_uint32 from, rt_uint32 to); - */ -.globl rt_thread_switch_interrupt_flag -.globl rt_interrupt_from_thread -.globl rt_interrupt_to_thread -.globl rt_hw_context_switch_interrupt -rt_hw_context_switch_interrupt: - pushl %ebp - movl %esp, %ebp - movl 0xc(%ebp), %eax - movl 0x8(%ebp), %ebx - - movl $rt_thread_switch_interrupt_flag, %ecx - movl (%ecx), %edx - cmp $0x1, %edx - jz _reswitch - - movl $0x1, %edx /*set rt_thread_switch_interrupt_flag to 1*/ - movl %edx, (%ecx) - movl $rt_interrupt_from_thread, %edx /*set rt_interrupt_from_thread*/ - movl %ebx, (%edx) -_reswitch: - movl $rt_interrupt_to_thread, %edx /*set rt_interrupt_to_thread*/ - movl %eax, (%edx) - leave - ret |