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Remove the vm86 tests.

This commit is contained in:
maxv 2017-08-12 07:40:43 +00:00
parent 1d3d2f0d7e
commit 91dc6b1b45
4 changed files with 2 additions and 166 deletions
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4
regress/sys/arch/i386/Makefile
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@ -1,6 +1,6 @@
# $NetBSD: Makefile,v 1.7 2008/01/04 15:39:25 yamt Exp $
# $NetBSD: Makefile,v 1.8 2017/08/12 07:40:43 maxv Exp $
SUBDIR+= ldt vm86
SUBDIR+= ldt
#SUBDIR+= ioperm iopl
.include <bsd.subdir.mk>

14
regress/sys/arch/i386/vm86/Makefile
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@ -1,14 +0,0 @@
# $NetBSD: Makefile,v 1.1 2003/08/16 15:02:35 drochner Exp $
NOMAN= # defined
PROG= vm86test
LDADD+= -li386
CLEANFILES+= vm86test.out
regress:
./${PROG} 2>vm86test.out
./${PROG} dummyarg 2>>vm86test.out
tail +4 ${.CURDIR}/vm86test.exp | diff - vm86test.out
.include <bsd.prog.mk>

141
regress/sys/arch/i386/vm86/vm86test.c
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@ -1,141 +0,0 @@
/* $NetBSD: vm86test.c,v 1.3 2003/09/11 19:14:01 christos Exp $ */
/*
* Copyright (c) 2003
* 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.
*/
#include <sys/types.h>
#include <signal.h>
#include <ucontext.h>
#include <machine/segments.h>
#include <machine/sysarch.h>
#include <machine/vm86.h>
#include <sys/mman.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <err.h>
void urghdl(int, siginfo_t *, void *);
/*
* Some code to execute in vm86 mode. Uses INT 0x20 to print some status info
* and INT 0x21 to exit.
* We don't use an IDT, so the interrupts must be vectored to the user task.
*/
const char vmcode[] = {
0xcd, /* INTxx */
0x20,
0xfb, /* STI */
0xcd, /* INTxx */
0x20,
0xfa, /* CLI */
0xcd, /* INTxx */
0x21,
};
/*
* XXX before our text segment, must be below 1M to be addressable.
* Also chosen to start >=64k, to catch the longstanding kernel bug which
* caused the stack segment to be ignored in the !SA_ONSTACK case.
*/
#define VMCODEBASE (void *)0x80000
#define VMSIZE 0x4000
void
urghdl(int sig, siginfo_t *si, void *vuc)
{
stack_t oss;
ucontext_t *uc = vuc;
int res, ip, eflags, code;
ip = uc->uc_mcontext.__gregs[_REG_EIP];
eflags = uc->uc_mcontext.__gregs[_REG_EFL];
code = si->si_trap;
res = sigaltstack(0, &oss);
if (res < 0)
err(6, "sigaltstack in handler");
fprintf(stderr, "urghdl called @ip=%04x, code=%04x, ", ip, code);
fprintf(stderr, "eflags=%08x, stackflags=%01x\n",
eflags, oss.ss_flags);
if (code == VM86_MAKEVAL(VM86_INTx, 0x21))
exit (0);
}
struct vm86_struct vm; /* zero inited */
int
main(int argc, char **argv)
{
void *mapaddr;
unsigned int codeaddr;
struct sigaction sa;
int usealtstack, res;
stack_t ss;
usealtstack = 0;
if (argc > 1)
usealtstack = 1;
mapaddr = mmap(VMCODEBASE, VMSIZE, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_ANON|MAP_FIXED, -1, 0);
if (mapaddr == (void *)-1)
err(1, "mmap");
memcpy(mapaddr, vmcode, sizeof(vmcode));
codeaddr = (unsigned int)mapaddr;
vm.substr.regs[_REG_CS] = codeaddr >> 4;
vm.substr.regs[_REG_EIP] = codeaddr & 15; /* unnecessary here */
vm.substr.ss_cpu_type = VCPU_586;
vm.int_byuser[4] = 0x03; /* vector INT 0x20 and 0x21 */
if (usealtstack) {
ss.ss_sp = malloc(SIGSTKSZ);
ss.ss_size = SIGSTKSZ;
ss.ss_flags = 0;
res = sigaltstack(&ss, 0);
if (res < 0)
err (2, "sigaltstack");
} else {
vm.substr.regs[_REG_SS] = codeaddr >> 4;
vm.substr.regs[_REG_ESP] = VMSIZE - (codeaddr & 15); /* hmm */
}
sa.sa_sigaction = urghdl;
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_SIGINFO | (usealtstack ? SA_ONSTACK : 0);
res = sigaction(SIGURG, &sa, 0);
if (res < 0)
err(3, "sigaction");
res = i386_vm86(&vm);
if (res < 0)
err(4, "vm86");
/* NOTREACHED */
exit (5);
}

9
regress/sys/arch/i386/vm86/vm86test.exp
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@ -1,9 +0,0 @@
# $NetBSD: vm86test.exp,v 1.1 2003/08/16 15:02:36 drochner Exp $
# real output must start in line 4
urghdl called @ip=0002, code=2001, eflags=00030002, stackflags=4
urghdl called @ip=0005, code=2001, eflags=00030202, stackflags=4
urghdl called @ip=0008, code=2101, eflags=00030002, stackflags=4
urghdl called @ip=0002, code=2001, eflags=00030002, stackflags=1
urghdl called @ip=0005, code=2001, eflags=00030202, stackflags=1
urghdl called @ip=0008, code=2101, eflags=00030002, stackflags=1