These files have been given a proper .S extension, they will come back
to life as such.
This commit is contained in:
fvdl
parent
e4703e808c
commit
45cffa1bd6
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@ -1,90 +0,0 @@
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|||
/* $NetBSD: bioscall.s,v 1.8 2002/10/23 00:58:28 christos Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by John Kohl.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <machine/param.h>
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#include <machine/bioscall.h>
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#include <machine/asm.h>
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/* LINTSTUB: include <sys/types.h> */
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/* LINTSTUB: include <machine/bioscall.h> */
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.globl _C_LABEL(PTDpaddr) /* from locore.s */
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_C_LABEL(biostramp_image):
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.globl _C_LABEL(biostramp_image)
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8:
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#include "i386/bioscall/biostramp.inc"
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9:
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.globl _C_LABEL(biostramp_image_size)
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_C_LABEL(biostramp_image_size):
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.long 9b - 8b
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/*
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* void bioscall(int function, struct bioscallregs *regs):
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* call the BIOS interrupt "function" from real mode with
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* registers as specified in "regs"
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* for the flags, though, only these flags are passed to the BIOS--
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* the remainder come from the flags register at the time of the call:
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* (PSL_C|PSL_PF|PSL_AF|PSL_Z|PSL_N|PSL_D|PSL_V)
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*
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* Fills in *regs with registers as returned by BIOS.
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*/
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/* LINTSTUB: Func: void bioscall(int function, struct bioscallregs *regs) */
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NENTRY(bioscall)
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pushl %ebp
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movl %esp,%ebp /* set up frame ptr */
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movl %cr3,%eax /* save PTDB register */
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pushl %eax
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movl _C_LABEL(PTDpaddr),%eax /* install proc0 PTD */
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movl %eax,%cr3
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movl $(BIOSTRAMP_BASE),%eax /* address of trampoline area */
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pushl 12(%ebp)
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pushl 8(%ebp)
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call *%eax /* machdep.c initializes it */
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addl $8,%esp /* clear args from stack */
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popl %eax
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movl %eax,%cr3 /* restore PTDB register */
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leave
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ret
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@ -1,192 +0,0 @@
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/* $NetBSD: db_dbgreg.s,v 1.5 2002/10/23 00:12:27 perry Exp $ */
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/*
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* Mach Operating System
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* Copyright (c) 1995 Carnegie Mellon University
|
||||
* All Rights Reserved.
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||||
*
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||||
* Permission to use, copy, modify and distribute this software and its
|
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* documentation is hereby granted, provided that both the copyright
|
||||
* notice and this permission notice appear in all copies of the
|
||||
* software, derivative works or modified versions, and any portions
|
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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||||
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
||||
* School of Computer Science
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* Carnegie Mellon University
|
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* Pittsburgh PA 15213-3890
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||||
*
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||||
* any improvements or extensions that they make and grant Carnegie Mellon
|
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* the rights to redistribute these changes.
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*/
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/* LINTSTUB: Empty */
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#include <i386/include/asm.h>
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#define S_ARG0 4(%esp)
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#define S_ARG1 8(%esp)
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#define S_ARG2 12(%esp)
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#define S_ARG3 16(%esp)
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#define B_ARG0 8(%ebp)
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#define B_ARG1 12(%ebp)
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#define B_ARG2 16(%ebp)
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#define B_ARG3 20(%ebp)
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/*
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* void outb(unsigned char *io_port,
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* unsigned char byte)
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*
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* Output a byte to an IO port.
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*/
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ENTRY(outb)
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movl S_ARG0,%edx /* IO port address */
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movl S_ARG1,%eax /* data to output */
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outb %al,%dx /* send it out */
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ret
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/*
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* unsigned char inb(unsigned char *io_port)
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*
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* Input a byte from an IO port.
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*/
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ENTRY(inb)
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movl S_ARG0,%edx /* IO port address */
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xor %eax,%eax /* clear high bits of register */
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inb %dx,%al /* get the byte */
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ret
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/*
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* void outw(unsigned short *io_port,
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* unsigned short word)
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*
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* Output a word to an IO port.
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*/
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ENTRY(outw)
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movl S_ARG0,%edx /* IO port address */
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movl S_ARG1,%eax /* data to output */
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outw %ax,%dx /* send it out */
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ret
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/*
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* unsigned short inw(unsigned short *io_port)
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*
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* Input a word from an IO port.
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*/
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ENTRY(inw)
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movl S_ARG0,%edx /* IO port address */
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xor %eax,%eax /* clear high bits of register */
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inw %dx,%ax /* get the word */
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ret
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/*
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* void outl(unsigned int *io_port,
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* unsigned int byte)
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*
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* Output an int to an IO port.
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*/
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ENTRY(outl)
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movl S_ARG0,%edx /* IO port address */
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movl S_ARG1,%eax /* data to output */
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outl %eax,%dx /* send it out */
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ret
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/*
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* unsigned int inl(unsigned int *io_port)
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*
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* Input an int from an IO port.
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*/
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ENTRY(inl)
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movl S_ARG0,%edx /* IO port address */
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inl %dx,%eax /* get the int */
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ret
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ENTRY(dr6)
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movl %db6, %eax
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ret
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/* dr<i>(address, type, len, persistence)
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* type:
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* 00 execution (use len 00)
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* 01 data write
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* 11 data read/write
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* len:
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* 00 one byte
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* 01 two bytes
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* 11 four bytes
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*/
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ENTRY(dr0)
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movl S_ARG0, %eax
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movl %eax,_C_LABEL(dr_addr)
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movl %eax, %db0
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movl $0, %ecx
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jmp 0f
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ENTRY(dr1)
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movl S_ARG0, %eax
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movl %eax,_C_LABEL(dr_addr)+1*4
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movl %eax, %db1
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movl $2, %ecx
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jmp 0f
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ENTRY(dr2)
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movl S_ARG0, %eax
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movl %eax,_C_LABEL(dr_addr)+2*4
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movl %eax, %db2
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movl $4, %ecx
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jmp 0f
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ENTRY(dr3)
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movl S_ARG0, %eax
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movl %eax,_C_LABEL(dr_addr)+3*4
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movl %eax, %db3
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movl $6, %ecx
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0:
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pushl %ebp
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movl %esp, %ebp
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movl %db7, %edx
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movl %edx,_C_LABEL(dr_addr)+4*4
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andl dr_msk(,%ecx,2),%edx /* clear out new entry */
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||||
movl %edx,_C_LABEL(dr_addr)+5*4
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movzbl B_ARG3, %eax
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andb $3, %al
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||||
shll %cl, %eax
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||||
orl %eax, %edx
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||||
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||||
shll $1, %ecx
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||||
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||||
movzbl B_ARG1, %eax
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||||
andb $3, %al
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||||
addb $0x10, %cl
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||||
shll %cl, %eax
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||||
orl %eax, %edx
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||||
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||||
movzbl B_ARG2, %eax
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||||
andb $3, %al
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||||
addb $0x2, %cl
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||||
shll %cl, %eax
|
||||
orl %eax, %edx
|
||||
|
||||
movl %edx, %db7
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||||
movl %edx,_C_LABEL(dr_addr)+7*4
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||||
movl %edx, %eax
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||||
leave
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||||
ret
|
||||
|
||||
.data
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||||
dr_msk:
|
||||
.long ~0x000f0003
|
||||
.long ~0x00f0000c
|
||||
.long ~0x0f000030
|
||||
.long ~0xf00000c0
|
||||
_C_LABEL(dr_addr):
|
||||
.long 0,0,0,0
|
||||
.long 0,0,0,0
|
||||
.text
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||||
|
|
@ -1,100 +0,0 @@
|
|||
/* $NetBSD: freebsd_sigcode.s,v 1.3 2001/09/26 09:58:39 fvdl Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Charles M. Hannum.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1990 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* William Jolitz.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)locore.s 7.3 (Berkeley) 5/13/91
|
||||
*/
|
||||
|
||||
#include "assym.h"
|
||||
|
||||
#include <sys/errno.h>
|
||||
#include <sys/syscall.h>
|
||||
|
||||
#include <compat/freebsd/freebsd_syscall.h>
|
||||
#include <machine/asm.h>
|
||||
|
||||
/*
|
||||
* Signal trampoline; copied to top of user stack.
|
||||
*/
|
||||
/* LINTSTUB: Var: char freebsd_sigcode[1], freebsd_esigcode[1]; */
|
||||
NENTRY(freebsd_sigcode)
|
||||
call *FREEBSD_SIGF_HANDLER(%esp)
|
||||
leal FREEBSD_SIGF_SC(%esp),%eax # scp (the call may have clobbered
|
||||
# the copy at SIGF_SCP(%esp))
|
||||
pushl %eax
|
||||
pushl %eax # junk to fake return address
|
||||
movl $FREEBSD_SYS_sigreturn,%eax
|
||||
int $0x80 # enter kernel with args on stack
|
||||
movl $FREEBSD_SYS_exit,%eax
|
||||
int $0x80 # exit if sigreturn fails
|
||||
.globl _C_LABEL(freebsd_esigcode)
|
||||
_C_LABEL(freebsd_esigcode):
|
||||
|
|
@ -1,100 +0,0 @@
|
|||
/* $NetBSD: ibcs2_sigcode.s,v 1.8 2002/10/01 12:56:52 fvdl Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Charles M. Hannum.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1990 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* William Jolitz.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)locore.s 7.3 (Berkeley) 5/13/91
|
||||
*/
|
||||
|
||||
#if defined(_KERNEL_OPT)
|
||||
#include "opt_vm86.h"
|
||||
#endif
|
||||
|
||||
#include "assym.h"
|
||||
|
||||
#include <machine/asm.h>
|
||||
#include <compat/ibcs2/ibcs2_syscall.h>
|
||||
|
||||
/* LINTSTUB: Var: char ibcs2_sigcode[1], ibcs2_esigcode[1]; */
|
||||
NENTRY(ibcs2_sigcode)
|
||||
/*
|
||||
* Handler has returned here as if we called it. The sigcontext
|
||||
* is on the stack after the 3 args "we" pushed.
|
||||
*/
|
||||
leal 12(%esp),%eax # get pointer to sigcontext
|
||||
movl %eax,4(%esp) # put it in the argument slot
|
||||
# fake return address already there
|
||||
movl $IBCS2_SYS_sigreturn,%eax
|
||||
int $0x80 # enter kernel with args on stack
|
||||
movl $IBCS2_SYS_exit,%eax
|
||||
int $0x80 # exit if sigreturn fails
|
||||
.globl _C_LABEL(ibcs2_esigcode)
|
||||
_C_LABEL(ibcs2_esigcode):
|
||||
|
|
@ -1,440 +0,0 @@
|
|||
/* $NetBSD: in_cksum.s,v 1.18 2002/10/23 00:13:14 perry Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Charles M. Hannum.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1990 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include "opt_inet.h"
|
||||
|
||||
#include <machine/asm.h>
|
||||
#include "assym.h"
|
||||
|
||||
/* LINTSTUB: include <sys/types.h> */
|
||||
/* LINTSTUB: include <machine/param.h> */
|
||||
/* LINTSTUB: include <sys/mbuf.h> */
|
||||
/* LINTSTUB: include <netinet/in.h> */
|
||||
|
||||
/*
|
||||
* Checksum routine for Internet Protocol family headers.
|
||||
*
|
||||
* in_cksum(m, len)
|
||||
*
|
||||
* Registers used:
|
||||
* %eax = sum
|
||||
* %ebx = m->m_data
|
||||
* %cl = rotation count to unswap
|
||||
* %edx = m->m_len
|
||||
* %ebp = m
|
||||
* %esi = len
|
||||
*/
|
||||
|
||||
#define SWAP \
|
||||
roll $8, %eax ; \
|
||||
xorb $8, %cl
|
||||
|
||||
#define UNSWAP \
|
||||
roll %cl, %eax
|
||||
|
||||
#define MOP \
|
||||
adcl $0, %eax
|
||||
|
||||
#define ADVANCE(n) \
|
||||
leal n(%ebx), %ebx ; \
|
||||
leal -n(%edx), %edx ; \
|
||||
|
||||
#define ADDBYTE \
|
||||
SWAP ; \
|
||||
addb (%ebx), %ah
|
||||
|
||||
#define ADDWORD \
|
||||
addw (%ebx), %ax
|
||||
|
||||
#define ADD(n) \
|
||||
addl n(%ebx), %eax
|
||||
|
||||
#define ADC(n) \
|
||||
adcl n(%ebx), %eax
|
||||
|
||||
#define REDUCE \
|
||||
movzwl %ax, %edx ; \
|
||||
shrl $16, %eax ; \
|
||||
addw %dx, %ax ; \
|
||||
adcw $0, %ax
|
||||
|
||||
|
||||
/*
|
||||
* XXX KAME handles link-local scopes in a way which causes us great pain.
|
||||
* we need to special-case link-local addresses and not include the scope id
|
||||
* as part of the transport-layer pseudoheader.
|
||||
* Both ff02::/16 and fe80::/10 get this treatment.
|
||||
*
|
||||
* so, big-endian, this would be:
|
||||
* (s6_addr32[0] & 0xffc00000) == 0xfe800000
|
||||
* (s6_addr32[0] & 0xff0f) == 0xff020000
|
||||
* since we're little-endian,
|
||||
* (s6_addr32[0] & 0x0000c0ff) == 0x000080fe
|
||||
* (s6_addr32[0] & 0x00000fff) == 0x000002ff
|
||||
*/
|
||||
|
||||
#define ADD6SCOPE(n) \
|
||||
movw n(%ebx), %cx ; \
|
||||
addl %ecx,%eax ; \
|
||||
andl $0xc0ff,%ecx ; \
|
||||
cmpl $0x80fe,%ecx ; \
|
||||
je 1f ; \
|
||||
movw n(%ebx), %cx ; \
|
||||
andl $0xfff,%ecx ; \
|
||||
cmpl $0x2ff,%ecx ; \
|
||||
je 1f ; \
|
||||
movw n+2(%ebx),%cx ; \
|
||||
addl %ecx,%eax ; \
|
||||
1:
|
||||
|
||||
#if defined(INET6) && defined(INET6_MD_CKSUM)
|
||||
/*
|
||||
* XXX does not deal with jumbograms.
|
||||
*/
|
||||
/* LINTSTUB: Func: int in6_cksum(struct mbuf *m, u_int8_t nxt, u_int32_t off, u_int32_t len) */
|
||||
ENTRY(in6_cksum)
|
||||
pushl %ebp
|
||||
pushl %ebx
|
||||
pushl %esi
|
||||
|
||||
movl 16(%esp), %ebp
|
||||
movzbl 20(%esp), %eax /* sum = nxt */
|
||||
movl 24(%esp), %edx /* %edx = off */
|
||||
movl 28(%esp), %esi /* %esi = len */
|
||||
testl %eax, %eax
|
||||
jz .Lmbuf_loop_0 /* skip if nxt == 0 */
|
||||
movl M_DATA(%ebp), %ebx
|
||||
addl %esi, %eax /* sum += len */
|
||||
shll $8, %eax /* sum = htons(sum) */
|
||||
xorl %ecx,%ecx
|
||||
ADD6SCOPE(IP6_SRC)
|
||||
ADD6SCOPE(IP6_DST)
|
||||
ADD(IP6_SRC+4) /* sum += ip6->ip6_src */
|
||||
ADC(IP6_SRC+8) /* sum += ip6->ip6_src */
|
||||
ADC(IP6_SRC+12) /* sum += ip6->ip6_src */
|
||||
ADC(IP6_DST+4) /* sum += ip6->ip_dst */
|
||||
ADC(IP6_DST+8) /* sum += ip6->ip_dst */
|
||||
ADC(IP6_DST+12) /* sum += ip6->ip_dst */
|
||||
|
||||
MOP
|
||||
#ifdef INET
|
||||
jmp .Lmbuf_loop_0
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef INET
|
||||
/* LINTSTUB: Func: int in4_cksum(struct mbuf *m, u_int8_t nxt, int off, int len) */
|
||||
ENTRY(in4_cksum)
|
||||
pushl %ebp
|
||||
pushl %ebx
|
||||
pushl %esi
|
||||
|
||||
movl 16(%esp), %ebp
|
||||
movzbl 20(%esp), %eax /* sum = nxt */
|
||||
movl 24(%esp), %edx /* %edx = off */
|
||||
movl 28(%esp), %esi /* %esi = len */
|
||||
testl %eax, %eax
|
||||
jz .Lmbuf_loop_0 /* skip if nxt == 0 */
|
||||
movl M_DATA(%ebp), %ebx
|
||||
addl %esi, %eax /* sum += len */
|
||||
shll $8, %eax /* sum = htons(sum) */
|
||||
|
||||
ADD(IP_SRC) /* sum += ip->ip_src */
|
||||
ADC(IP_DST) /* sum += ip->ip_dst */
|
||||
MOP
|
||||
#endif
|
||||
.Lmbuf_loop_0:
|
||||
testl %ebp, %ebp
|
||||
jz .Lout_of_mbufs
|
||||
|
||||
movl M_DATA(%ebp), %ebx /* %ebx = m_data */
|
||||
movl M_LEN(%ebp), %ecx /* %ecx = m_len */
|
||||
movl M_NEXT(%ebp), %ebp
|
||||
|
||||
subl %ecx, %edx /* %edx = off - m_len */
|
||||
jnb .Lmbuf_loop_0
|
||||
|
||||
addl %edx, %ebx /* %ebx = m_data + off - m_len */
|
||||
negl %edx /* %edx = m_len - off */
|
||||
addl %ecx, %ebx /* %ebx = m_data + off */
|
||||
xorb %cl, %cl
|
||||
|
||||
/*
|
||||
* The len == 0 case is handled really inefficiently, by going through
|
||||
* the whole short_mbuf path once to get back to mbuf_loop_1 -- but
|
||||
* this case never happens in practice, so it's sufficient that it
|
||||
* doesn't explode.
|
||||
*/
|
||||
jmp .Lin4_entry
|
||||
|
||||
|
||||
/* LINTSTUB: Func: int in_cksum(struct mbuf *m, int len) */
|
||||
ENTRY(in_cksum)
|
||||
pushl %ebp
|
||||
pushl %ebx
|
||||
pushl %esi
|
||||
|
||||
movl 16(%esp), %ebp
|
||||
movl 20(%esp), %esi
|
||||
xorl %eax, %eax
|
||||
xorb %cl, %cl
|
||||
|
||||
.Lmbuf_loop_1:
|
||||
testl %esi, %esi
|
||||
jz .Ldone
|
||||
|
||||
.Lmbuf_loop_2:
|
||||
testl %ebp, %ebp
|
||||
jz .Lout_of_mbufs
|
||||
|
||||
movl M_DATA(%ebp), %ebx
|
||||
movl M_LEN(%ebp), %edx
|
||||
movl M_NEXT(%ebp), %ebp
|
||||
|
||||
.Lin4_entry:
|
||||
cmpl %esi, %edx
|
||||
jbe 1f
|
||||
movl %esi, %edx
|
||||
|
||||
1:
|
||||
subl %edx, %esi
|
||||
|
||||
cmpl $32, %edx
|
||||
jb .Lshort_mbuf
|
||||
|
||||
testb $3, %bl
|
||||
jz .Ldword_aligned
|
||||
|
||||
testb $1, %bl
|
||||
jz .Lbyte_aligned
|
||||
|
||||
ADDBYTE
|
||||
ADVANCE(1)
|
||||
MOP
|
||||
|
||||
testb $2, %bl
|
||||
jz .Lword_aligned
|
||||
|
||||
.Lbyte_aligned:
|
||||
ADDWORD
|
||||
ADVANCE(2)
|
||||
MOP
|
||||
|
||||
.Lword_aligned:
|
||||
.Ldword_aligned:
|
||||
testb $4, %bl
|
||||
jnz .Lqword_aligned
|
||||
|
||||
ADD(0)
|
||||
ADVANCE(4)
|
||||
MOP
|
||||
|
||||
.Lqword_aligned:
|
||||
testb $8, %bl
|
||||
jz .Loword_aligned
|
||||
|
||||
ADD(0)
|
||||
ADC(4)
|
||||
ADVANCE(8)
|
||||
MOP
|
||||
|
||||
.Loword_aligned:
|
||||
subl $128, %edx
|
||||
jb .Lfinished_128
|
||||
|
||||
.Lloop_128:
|
||||
ADD(12)
|
||||
ADC(0)
|
||||
ADC(4)
|
||||
ADC(8)
|
||||
ADC(28)
|
||||
ADC(16)
|
||||
ADC(20)
|
||||
ADC(24)
|
||||
ADC(44)
|
||||
ADC(32)
|
||||
ADC(36)
|
||||
ADC(40)
|
||||
ADC(60)
|
||||
ADC(48)
|
||||
ADC(52)
|
||||
ADC(56)
|
||||
ADC(76)
|
||||
ADC(64)
|
||||
ADC(68)
|
||||
ADC(72)
|
||||
ADC(92)
|
||||
ADC(80)
|
||||
ADC(84)
|
||||
ADC(88)
|
||||
ADC(108)
|
||||
ADC(96)
|
||||
ADC(100)
|
||||
ADC(104)
|
||||
ADC(124)
|
||||
ADC(112)
|
||||
ADC(116)
|
||||
ADC(120)
|
||||
leal 128(%ebx), %ebx
|
||||
MOP
|
||||
|
||||
subl $128, %edx
|
||||
jnb .Lloop_128
|
||||
|
||||
.Lfinished_128:
|
||||
subl $32-128, %edx
|
||||
jb .Lfinished_32
|
||||
|
||||
.Lloop_32:
|
||||
ADD(12)
|
||||
ADC(0)
|
||||
ADC(4)
|
||||
ADC(8)
|
||||
ADC(28)
|
||||
ADC(16)
|
||||
ADC(20)
|
||||
ADC(24)
|
||||
leal 32(%ebx), %ebx
|
||||
MOP
|
||||
|
||||
subl $32, %edx
|
||||
jnb .Lloop_32
|
||||
|
||||
.Lfinished_32:
|
||||
.Lshort_mbuf:
|
||||
testb $16, %dl
|
||||
jz .Lfinished_16
|
||||
|
||||
ADD(12)
|
||||
ADC(0)
|
||||
ADC(4)
|
||||
ADC(8)
|
||||
leal 16(%ebx), %ebx
|
||||
MOP
|
||||
|
||||
.Lfinished_16:
|
||||
testb $8, %dl
|
||||
jz .Lfinished_8
|
||||
|
||||
ADD(0)
|
||||
ADC(4)
|
||||
leal 8(%ebx), %ebx
|
||||
MOP
|
||||
|
||||
.Lfinished_8:
|
||||
testb $4, %dl
|
||||
jz .Lfinished_4
|
||||
|
||||
ADD(0)
|
||||
leal 4(%ebx), %ebx
|
||||
MOP
|
||||
|
||||
.Lfinished_4:
|
||||
testb $3, %dl
|
||||
jz .Lmbuf_loop_1
|
||||
|
||||
testb $2, %dl
|
||||
jz .Lfinished_2
|
||||
|
||||
ADDWORD
|
||||
leal 2(%ebx), %ebx
|
||||
MOP
|
||||
|
||||
testb $1, %dl
|
||||
jz .Lfinished_1
|
||||
|
||||
.Lfinished_2:
|
||||
ADDBYTE
|
||||
MOP
|
||||
|
||||
.Lfinished_1:
|
||||
.Lmbuf_done:
|
||||
testl %esi, %esi
|
||||
jnz .Lmbuf_loop_2
|
||||
|
||||
.Ldone:
|
||||
UNSWAP
|
||||
REDUCE
|
||||
notw %ax
|
||||
|
||||
.Lreturn:
|
||||
popl %esi
|
||||
popl %ebx
|
||||
popl %ebp
|
||||
ret
|
||||
|
||||
.Lout_of_mbufs:
|
||||
pushl $1f
|
||||
call _C_LABEL(printf)
|
||||
leal 4(%esp), %esp
|
||||
jmp .Lreturn
|
||||
1:
|
||||
.asciz "cksum: out of data\n"
|
||||
|
|
@ -1,183 +0,0 @@
|
|||
/* $NetBSD: kvm86call.s,v 1.2 2002/10/02 15:23:31 drochner Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998 Jonathan Lemon
|
||||
* All rights reserved.
|
||||
* Copyright (c) 2002
|
||||
* Matthias Drochner. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD: src/sys/i386/i386/vm86bios.s,v 1.28 2001/12/11 23:33:40 jhb Exp $
|
||||
*/
|
||||
|
||||
#include <machine/param.h>
|
||||
#include <machine/asm.h>
|
||||
|
||||
#include "assym.h"
|
||||
|
||||
__KERNEL_RCSID(0, "$NetBSD: kvm86call.s,v 1.2 2002/10/02 15:23:31 drochner Exp $");
|
||||
|
||||
.data
|
||||
.align 4
|
||||
|
||||
/* flag for trap() */
|
||||
.globl kvm86_incall
|
||||
kvm86_incall: .long 0
|
||||
|
||||
/* XXX arguments for kvm86call() */
|
||||
.globl vm86pcb, vm86newptd, vm86frame, vm86pgtableva
|
||||
.globl vm86tssd0, vm86tssd1
|
||||
vm86pcb: .long 0
|
||||
vm86newptd: .long 0
|
||||
vm86frame: .long 0
|
||||
vm86pgtableva: .long 0
|
||||
vm86tssd0: .long 0
|
||||
vm86tssd1: .long 0
|
||||
|
||||
/* locals */
|
||||
SCRARGFRAME: .long 0
|
||||
SCRSTACK: .long 0
|
||||
SCRTSS0: .long 0
|
||||
SCRTSS1: .long 0
|
||||
|
||||
.text
|
||||
|
||||
/* int kvm86_call(struct trapframe *) */
|
||||
ENTRY(kvm86_call)
|
||||
pushl %ebp
|
||||
movl %esp,%ebp /* set up frame ptr */
|
||||
pushl %esi
|
||||
pushl %edi
|
||||
pushl %ebx
|
||||
pushl %fs
|
||||
pushl %gs
|
||||
|
||||
movl 8(%ebp),%eax
|
||||
movl %eax,SCRARGFRAME /* save argument pointer */
|
||||
|
||||
movl vm86frame,%edi /* target frame location */
|
||||
movl SCRARGFRAME,%esi /* source (set on entry) */
|
||||
movl $FRAMESIZE/4,%ecx /* sizeof(struct trapframe)/4 */
|
||||
cld
|
||||
rep
|
||||
movsl /* copy frame to new stack */
|
||||
|
||||
movl _C_LABEL(cpu_info_primary)+CPU_INFO_CURPROC,%ecx
|
||||
movl P_ADDR(%ecx),%eax
|
||||
pushl %eax /* save curpcb */
|
||||
movl vm86pcb,%eax
|
||||
movl %eax,P_ADDR(%ecx) /* set curpcb to vm86pcb */
|
||||
|
||||
movl _C_LABEL(gdt),%eax
|
||||
movl P_MD_TSS_SEL(%ecx),%edi
|
||||
|
||||
andl $~0x0200,4(%eax,%edi,1) /* reset "task busy" */
|
||||
|
||||
movl 0(%eax,%edi,1),%edx
|
||||
movl %edx,SCRTSS0 /* save first word */
|
||||
movl 4(%eax,%edi,1),%edx
|
||||
movl %edx,SCRTSS1 /* save second word */
|
||||
|
||||
movl vm86tssd0,%edx /* vm86 tssd entry */
|
||||
movl %edx,0(%eax,%edi,1)
|
||||
movl vm86tssd1,%edx /* vm86 tssd entry */
|
||||
movl %edx,4(%eax,%edi,1)
|
||||
ltr %di
|
||||
|
||||
movl %cr3,%eax
|
||||
pushl %eax /* save address space */
|
||||
movl PTDpaddr,%ecx
|
||||
movl %ecx,%ebx
|
||||
addl $KERNBASE,%ebx /* va of Idle PTD */
|
||||
movl 0(%ebx),%eax
|
||||
pushl %eax /* old pde */
|
||||
pushl %ebx /* keep address for reuse */
|
||||
|
||||
movl %esp,SCRSTACK /* save current stack location */
|
||||
|
||||
movl vm86newptd,%eax /* mapping for vm86 page table */
|
||||
movl %eax,0(%ebx) /* ... install as PTD entry 0 */
|
||||
|
||||
movl %ecx,%cr3 /* new page tables */
|
||||
movl vm86frame,%esp /* switch to new stack */
|
||||
|
||||
movl $1,kvm86_incall /* set flag for trap() */
|
||||
|
||||
/* INTRFASTEXIT */
|
||||
popl %gs
|
||||
popl %fs
|
||||
popl %es
|
||||
popl %ds
|
||||
popl %edi
|
||||
popl %esi
|
||||
popl %ebp
|
||||
popl %ebx
|
||||
popl %edx
|
||||
popl %ecx
|
||||
popl %eax
|
||||
addl $8,%esp
|
||||
iret
|
||||
|
||||
|
||||
/* void kvm86_ret(struct trapframe *, int) */
|
||||
ENTRY(kvm86_ret)
|
||||
pushl %ebp
|
||||
movl %esp,%ebp /* set up frame ptr */
|
||||
|
||||
movl 8(%ebp),%esi /* source */
|
||||
movl SCRARGFRAME,%edi /* destination */
|
||||
movl $FRAMESIZE/4,%ecx /* size */
|
||||
cld
|
||||
rep
|
||||
movsl /* copy frame to original frame */
|
||||
|
||||
movl SCRSTACK,%esp /* back to old stack */
|
||||
popl %ebx /* saved va of Idle PTD */
|
||||
popl %eax
|
||||
movl %eax,0(%ebx) /* restore old pde */
|
||||
popl %eax
|
||||
movl %eax,%cr3 /* install old page table */
|
||||
|
||||
movl $0,kvm86_incall /* reset trapflag */
|
||||
|
||||
movl _C_LABEL(gdt),%eax
|
||||
movl _C_LABEL(cpu_info_primary)+CPU_INFO_CURPROC,%ecx
|
||||
movl P_MD_TSS_SEL(%ecx),%edi
|
||||
movl SCRTSS0, %edx
|
||||
movl %edx, 0(%eax,%edi,1) /* restore first word */
|
||||
movl SCRTSS1, %edx
|
||||
movl %edx, 4(%eax,%edi,1) /* restore second word */
|
||||
ltr %di
|
||||
|
||||
popl %eax /* restore curpcb */
|
||||
movl %eax, P_ADDR(%ecx)
|
||||
|
||||
movl 12(%ebp), %eax /* will be kvm86_call()'s retval */
|
||||
|
||||
popl %gs
|
||||
popl %fs
|
||||
popl %ebx
|
||||
popl %edi
|
||||
popl %esi
|
||||
popl %ebp
|
||||
ret /* back to kvm86_call()'s caller */
|
||||
|
|
@ -1,117 +0,0 @@
|
|||
/* $NetBSD: linux_sigcode.s,v 1.5 2001/09/26 09:58:39 fvdl Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Charles M. Hannum.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1990 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* William Jolitz.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)locore.s 7.3 (Berkeley) 5/13/91
|
||||
*/
|
||||
|
||||
#if defined(_KERNEL_OPT)
|
||||
#include "opt_vm86.h"
|
||||
#endif
|
||||
|
||||
#include "assym.h"
|
||||
|
||||
#include <machine/asm.h>
|
||||
#include <machine/psl.h>
|
||||
|
||||
#include <compat/linux/linux_syscall.h>
|
||||
|
||||
/*****************************************************************************/
|
||||
|
||||
/*
|
||||
* Signal trampoline; copied to top of user stack.
|
||||
*/
|
||||
/* LINTSTUB: Var: char linux_sigcode[1], linux_esigcode[1]; */
|
||||
NENTRY(linux_sigcode)
|
||||
call *LINUX_SIGF_HANDLER(%esp)
|
||||
leal LINUX_SIGF_SC(%esp),%ebx # scp (the call may have clobbered the
|
||||
# copy at SIGF_SCP(%esp))
|
||||
pushl %eax # junk to fake return address
|
||||
movl $LINUX_SYS_sigreturn,%eax
|
||||
int $0x80 # enter kernel with args on stack
|
||||
movl $LINUX_SYS_exit,%eax
|
||||
int $0x80 # exit if sigreturn fails
|
||||
.globl _C_LABEL(linux_esigcode)
|
||||
_C_LABEL(linux_esigcode):
|
||||
|
||||
/* LINTSTUB: Var: char linux_rt_sigcode[1], linux_rt_esigcode[1]; */
|
||||
NENTRY(linux_rt_sigcode)
|
||||
call *LINUX_SIGF_HANDLER(%esp)
|
||||
leal LINUX_SIGF_SC(%esp),%ebx # scp (the call may have clobbered the
|
||||
# copy at SIGF_SCP(%esp))
|
||||
pushl %eax # junk to fake return address
|
||||
movl $LINUX_SYS_rt_sigreturn,%eax
|
||||
int $0x80 # enter kernel with args on stack
|
||||
movl $LINUX_SYS_exit,%eax
|
||||
int $0x80 # exit if sigreturn fails
|
||||
.globl _C_LABEL(linux_rt_esigcode)
|
||||
_C_LABEL(linux_rt_esigcode):
|
||||
|
|
@ -1,190 +0,0 @@
|
|||
/* $NetBSD: mach_sigcode.s,v 1.4 2002/10/30 15:03:42 christos Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Charles M. Hannum.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1990 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* William Jolitz.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)locore.s 7.3 (Berkeley) 5/13/91
|
||||
*/
|
||||
|
||||
#if defined(_KERNEL_OPT)
|
||||
#include "opt_vm86.h"
|
||||
#endif
|
||||
|
||||
#include "assym.h"
|
||||
|
||||
#include <machine/psl.h>
|
||||
#include <machine/segments.h>
|
||||
#include <machine/trap.h>
|
||||
#include <compat/mach/mach_syscall.h>
|
||||
|
||||
/*
|
||||
* override user-land alignment before including asm.h
|
||||
*/
|
||||
#ifdef __ELF__
|
||||
#define ALIGN_DATA .align 4
|
||||
#define ALIGN_TEXT .align 4,0x90 /* 4-byte boundaries, NOP-filled */
|
||||
#define SUPERALIGN_TEXT .align 16,0x90 /* 16-byte boundaries better for 486 */
|
||||
#else
|
||||
#define ALIGN_DATA .align 2
|
||||
#define ALIGN_TEXT .align 2,0x90 /* 4-byte boundaries, NOP-filled */
|
||||
#define SUPERALIGN_TEXT .align 4,0x90 /* 16-byte boundaries better for 486 */
|
||||
#endif
|
||||
#define _ALIGN_TEXT ALIGN_TEXT
|
||||
#include <machine/asm.h>
|
||||
|
||||
/*
|
||||
* These are used on interrupt or trap entry or exit.
|
||||
*/
|
||||
#define INTRENTRY \
|
||||
pushl %eax ; \
|
||||
pushl %ecx ; \
|
||||
pushl %edx ; \
|
||||
pushl %ebx ; \
|
||||
movl $GSEL(GDATA_SEL, SEL_KPL),%eax ; \
|
||||
pushl %ebp ; \
|
||||
pushl %esi ; \
|
||||
pushl %edi ; \
|
||||
pushl %ds ; \
|
||||
pushl %es ; \
|
||||
movl %eax,%ds ; \
|
||||
movl %eax,%es ; \
|
||||
pushl %fs ; \
|
||||
pushl %gs ; \
|
||||
movl %eax,%gs ; \
|
||||
movl $GSEL(GCPU_SEL, SEL_KPL),%eax ; \
|
||||
movl %eax,%fs
|
||||
|
||||
#define INTRFASTEXIT \
|
||||
popl %gs ; \
|
||||
popl %fs ; \
|
||||
popl %es ; \
|
||||
popl %ds ; \
|
||||
popl %edi ; \
|
||||
popl %esi ; \
|
||||
popl %ebp ; \
|
||||
popl %ebx ; \
|
||||
popl %edx ; \
|
||||
popl %ecx ; \
|
||||
popl %eax ; \
|
||||
addl $8,%esp ; \
|
||||
iret
|
||||
|
||||
#define _CONCAT(a,b) a/**/b
|
||||
|
||||
#if defined(MULTIPROCESSOR)
|
||||
#define CPUVAR(off) %fs:_CONCAT(CPU_INFO_,off)
|
||||
#else
|
||||
#define CPUVAR(off) _C_LABEL(cpu_info_primary)+_CONCAT(CPU_INFO_,off)
|
||||
#endif
|
||||
#define CHECK_ASTPENDING() cmpl $0,CPUVAR(ASTPENDING)
|
||||
#define CLEAR_ASTPENDING() movl $0,CPUVAR(ASTPENDING)
|
||||
|
||||
/*
|
||||
* Signal trampoline; copied to top of user stack.
|
||||
*/
|
||||
/* LINTSTUB: Var: char mach_sigcode[1], mach_esigcode[1]; */
|
||||
NENTRY(mach_sigcode)
|
||||
/*
|
||||
call MACH_SIGF_HANDLER(%esp)
|
||||
leal MACH_SIGF_UC(%esp),%eax # ucp (the call may have clobbered the
|
||||
# copy at SIGF_UCP(%esp))
|
||||
pushl %eax
|
||||
pushl $1 # setcontext(p) == syscontext(1, p)
|
||||
pushl %eax # junk to fake return address
|
||||
movl $MACH_SYS_context,%eax
|
||||
int $0x80 # enter kernel with args on stack
|
||||
movl $MACH_SYS_exit,%eax
|
||||
int $0x80 # exit if sigreturn fails
|
||||
*/
|
||||
.globl _C_LABEL(mach_esigcode)
|
||||
_C_LABEL(mach_esigcode):
|
||||
|
||||
IDTVEC(mach_trap)
|
||||
/* Set eflags in trap frame. */
|
||||
pushfl
|
||||
popl 8(%esp)
|
||||
pushl $7 # size of instruction for restart
|
||||
pushl $T_ASTFLT # trap # for doing ASTs
|
||||
INTRENTRY
|
||||
movl CPUVAR(CURPROC),%edx
|
||||
movl %esp,P_MD_REGS(%edx) # save pointer to frame
|
||||
call _C_LABEL(mach_trap)
|
||||
2: /* Check for ASTs on exit to user mode. */
|
||||
cli
|
||||
CHECK_ASTPENDING()
|
||||
je 1f
|
||||
/* Always returning to user mode here. */
|
||||
CLEAR_ASTPENDING()
|
||||
sti
|
||||
/* Pushed T_ASTFLT into tf_trapno on entry. */
|
||||
call _C_LABEL(trap)
|
||||
jmp 2b
|
||||
1: INTRFASTEXIT
|
||||
|
|
@ -1,115 +0,0 @@
|
|||
/* $NetBSD: microtime.s,v 1.22 2002/10/01 12:56:57 fvdl Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1993 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <machine/asm.h>
|
||||
#include <dev/isa/isareg.h>
|
||||
#include <dev/ic/i8253reg.h>
|
||||
|
||||
/* LINTSTUB: include <sys/time.h> */
|
||||
|
||||
#define IRQ_BIT(irq_num) (1 << ((irq_num) % 8))
|
||||
#define IRQ_BYTE(irq_num) ((irq_num) >> 3)
|
||||
|
||||
/* LINTSTUB: Func: void i8254_microtime(struct timeval *tv) */
|
||||
ENTRY(i8254_microtime)
|
||||
# clear registers and do whatever we can up front
|
||||
pushl %edi
|
||||
pushl %ebx
|
||||
xorl %edx,%edx
|
||||
movl $(TIMER_SEL0|TIMER_LATCH),%eax
|
||||
|
||||
cli # disable interrupts
|
||||
|
||||
# select timer 0 and latch its counter
|
||||
outb %al,$IO_TIMER1+TIMER_MODE
|
||||
inb $IO_ICU1,%al # as close to timer latch as possible
|
||||
movb %al,%ch # %ch is current ICU mask
|
||||
|
||||
# Read counter value into [%al %dl], LSB first
|
||||
inb $IO_TIMER1+TIMER_CNTR0,%al
|
||||
movb %al,%dl # %dl has LSB
|
||||
inb $IO_TIMER1+TIMER_CNTR0,%al # %al has MSB
|
||||
|
||||
# save state of IIR in ICU, and of ipending, for later perusal
|
||||
movb _C_LABEL(ipending) + IRQ_BYTE(0),%cl # %cl is interrupt pending
|
||||
|
||||
# save the current value of _time
|
||||
movl _C_LABEL(time),%edi # get time.tv_sec
|
||||
movl _C_LABEL(time)+4,%ebx # and time.tv_usec
|
||||
|
||||
sti # enable interrupts, we're done
|
||||
|
||||
# At this point we've collected all the state we need to
|
||||
# compute the time. First figure out if we've got a pending
|
||||
# interrupt. If the IRQ0 bit is set in ipending we've taken
|
||||
# a clock interrupt without incrementing time, so we bump
|
||||
# time.tv_usec by a tick. Otherwise if the ICU shows a pending
|
||||
# interrupt for IRQ0 we (or the caller) may have blocked an interrupt
|
||||
# with the cli. If the counter is not a very small value (3 as
|
||||
# a heuristic), i.e. in pre-interrupt state, we add a tick to
|
||||
# time.tv_usec
|
||||
|
||||
testb $IRQ_BIT(0),%cl # pending interrupt?
|
||||
jnz 1f # yes, increment count
|
||||
|
||||
testb $IRQ_BIT(0),%ch # hardware interrupt pending?
|
||||
jz 2f # no, continue
|
||||
testb %al,%al # MSB zero?
|
||||
jnz 1f # no, add a tick
|
||||
cmpb $3,%dl # is this small number?
|
||||
jbe 2f # yes, continue
|
||||
1: addl _C_LABEL(isa_timer_tick),%ebx # add a tick
|
||||
|
||||
# We've corrected for pending interrupts. Now do a table lookup
|
||||
# based on each of the high and low order counter bytes to increment
|
||||
# time.tv_usec
|
||||
2: movw _C_LABEL(isa_timer_msb_table)(,%eax,2),%ax
|
||||
subw _C_LABEL(isa_timer_lsb_table)(,%edx,2),%ax
|
||||
addl %eax,%ebx # add msb increment
|
||||
|
||||
# Normalize the struct timeval. We know the previous increments
|
||||
# will be less than a second, so we'll only need to adjust accordingly
|
||||
cmpl $1000000,%ebx # carry in timeval?
|
||||
jb 3f
|
||||
subl $1000000,%ebx # adjust usec
|
||||
incl %edi # bump sec
|
||||
|
||||
3: movl 12(%esp),%ecx # load timeval pointer arg
|
||||
movl %edi,(%ecx) # tvp->tv_sec = sec
|
||||
movl %ebx,4(%ecx) # tvp->tv_usec = usec
|
||||
|
||||
popl %ebx
|
||||
popl %edi
|
||||
ret
|
||||
|
|
@ -1,185 +0,0 @@
|
|||
/* $NetBSD: svr4_sigcode.s,v 1.8 2002/10/01 12:57:00 fvdl Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Charles M. Hannum.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1990 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* William Jolitz.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)locore.s 7.3 (Berkeley) 5/13/91
|
||||
*/
|
||||
|
||||
#if defined(_KERNEL_OPT)
|
||||
#include "opt_vm86.h"
|
||||
#include "opt_multiprocessor.h"
|
||||
#endif
|
||||
|
||||
#include "assym.h"
|
||||
|
||||
#include <machine/psl.h>
|
||||
#include <machine/segments.h>
|
||||
#include <machine/trap.h>
|
||||
#include <compat/svr4/svr4_syscall.h>
|
||||
|
||||
/*
|
||||
* override user-land alignment before including asm.h
|
||||
*/
|
||||
#ifdef __ELF__
|
||||
#define ALIGN_DATA .align 4
|
||||
#define ALIGN_TEXT .align 4,0x90 /* 4-byte boundaries, NOP-filled */
|
||||
#define SUPERALIGN_TEXT .align 16,0x90 /* 16-byte boundaries better for 486 */
|
||||
#else
|
||||
#define ALIGN_DATA .align 2
|
||||
#define ALIGN_TEXT .align 2,0x90 /* 4-byte boundaries, NOP-filled */
|
||||
#define SUPERALIGN_TEXT .align 4,0x90 /* 16-byte boundaries better for 486 */
|
||||
#endif
|
||||
#define _ALIGN_TEXT ALIGN_TEXT
|
||||
#include <machine/asm.h>
|
||||
|
||||
/*
|
||||
* These are used on interrupt or trap entry or exit.
|
||||
*/
|
||||
#define INTRENTRY \
|
||||
pushl %eax ; \
|
||||
pushl %ecx ; \
|
||||
pushl %edx ; \
|
||||
pushl %ebx ; \
|
||||
movl $GSEL(GDATA_SEL, SEL_KPL),%eax ; \
|
||||
pushl %ebp ; \
|
||||
pushl %esi ; \
|
||||
pushl %edi ; \
|
||||
pushl %ds ; \
|
||||
pushl %es ; \
|
||||
movw %ax,%ds ; \
|
||||
movw %ax,%es ; \
|
||||
pushl %fs ; \
|
||||
pushl %gs ; \
|
||||
movw %ax,%gs ; \
|
||||
movw $GSEL(GCPU_SEL, SEL_KPL),%ax ; \
|
||||
movw %ax,%fs
|
||||
|
||||
#define INTRFASTEXIT \
|
||||
popl %gs ; \
|
||||
popl %fs ; \
|
||||
popl %es ; \
|
||||
popl %ds ; \
|
||||
popl %edi ; \
|
||||
popl %esi ; \
|
||||
popl %ebp ; \
|
||||
popl %ebx ; \
|
||||
popl %edx ; \
|
||||
popl %ecx ; \
|
||||
popl %eax ; \
|
||||
addl $8,%esp ; \
|
||||
iret
|
||||
|
||||
#define _CONCAT(a,b) a/**/b
|
||||
|
||||
#if defined(MULTIPROCESSOR)
|
||||
#define CPUVAR(off) %fs:_CONCAT(CPU_INFO_,off)
|
||||
#else
|
||||
#define CPUVAR(off) _C_LABEL(cpu_info_primary)+_CONCAT(CPU_INFO_,off)
|
||||
#endif
|
||||
|
||||
#define CHECK_ASTPENDING() cmpl $0,CPUVAR(ASTPENDING)
|
||||
#define CLEAR_ASTPENDING() movl $0,CPUVAR(ASTPENDING)
|
||||
|
||||
/*
|
||||
* Signal trampoline; copied to top of user stack.
|
||||
*/
|
||||
/* LINTSTUB: Var: char svr4_sigcode[1], svr4_esigcode[1]; */
|
||||
NENTRY(svr4_sigcode)
|
||||
call *SVR4_SIGF_HANDLER(%esp)
|
||||
leal SVR4_SIGF_UC(%esp),%eax # ucp (the call may have clobbered the
|
||||
# copy at SIGF_UCP(%esp))
|
||||
pushl %eax
|
||||
pushl $1 # setcontext(p) == syscontext(1, p)
|
||||
pushl %eax # junk to fake return address
|
||||
movl $SVR4_SYS_context,%eax
|
||||
int $0x80 # enter kernel with args on stack
|
||||
movl $SVR4_SYS_exit,%eax
|
||||
int $0x80 # exit if sigreturn fails
|
||||
.globl _C_LABEL(svr4_esigcode)
|
||||
_C_LABEL(svr4_esigcode):
|
||||
|
||||
IDTVEC(svr4_fasttrap)
|
||||
pushl $2 # size of instruction for restart
|
||||
pushl $T_ASTFLT # trap # for doing ASTs
|
||||
INTRENTRY
|
||||
call _C_LABEL(svr4_fasttrap)
|
||||
2: /* Check for ASTs on exit to user mode. */
|
||||
cli
|
||||
CHECK_ASTPENDING()
|
||||
je 1f
|
||||
/* Always returning to user mode here. */
|
||||
CLEAR_ASTPENDING()
|
||||
sti
|
||||
/* Pushed T_ASTFLT into tf_trapno on entry. */
|
||||
call _C_LABEL(trap)
|
||||
jmp 2b
|
||||
1: INTRFASTEXIT
|
||||
Loading…
Reference in New Issue