process_upcall.s

一个操作系统的源代码

;/** kernel/process_upcall.s
; **
; ** Original Author: Kasper Verdich Lund
; ** Date: 11.17.99
; **
; ** Description:
; **
; ** This program is free software, you can redistribute it and/or
; ** modify it under the terms of the GNU General Public License
; ** as published by the Free Software Foundation; either version
; ** 2 of the License, or (at your option) any later version.
; **
; ** This program is distributed in the hope that it will be
; ** useful, but WITHOUT ANY WARRANTY; without even the implied
; ** warranty or MERCHANTABILITY or FITNESS FOR A PARTICULAR
; ** PURPOSE.  See the GNU General Public License for more
; ** details.
; **
; ** You should have received a copy of the GNU General Public
; ** License along with this program; if not, write to the
; ** Free Software Foundation, Inc., 59 Temple Place, Suite 330,
; ** Boston, MA 02111-1307 USA
; **
; *********************************************************Apostle OS**/
	
	SECTION .text
	GLOBAL	__Upcall
__Upcall:
	add	esp,4
	pop	edi
	pop	esi
	pop	ebp
	pop	ebx
	pop	edx
	pop	ecx
	pop	eax
	iret