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Change doscmd to use i386_set_ioperm() call instead of sysarch().

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Jonathan Lemon 1998-07-28 03:39:59 +00:00
parent 8d0517cffd
commit 4b8a1af6a2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=37905
1 changed files with 11 additions and 19 deletions
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30
usr.bin/doscmd/doscmd.c
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@ -29,7 +29,7 @@
*
* BSDI doscmd.c,v 2.3 1996/04/08 19:32:30 bostic Exp
*
* $Id: doscmd.c,v 1.6 1998/07/02 05:23:54 imp Exp $
* $Id: doscmd.c,v 1.7 1998/07/16 23:54:25 imp Exp $
*/
#include <sys/types.h>
@ -96,7 +96,6 @@ static char *envs[256];
static char *dos_path = 0;
char cmdname[256]; /* referenced from dos.c */
static struct i386_vm86_args vm86;
static struct vm86_init_args kargs;
/* lobotomise */
@ -267,9 +266,7 @@ main(int argc, char **argv)
R_EAX = (booting || raw_kbd) ? (int)&vconnect_area : -1;
R_EFLAGS |= PSL_VM | PSL_VIF; /* request VM86 mode */
vm86.sub_op = VM86_INIT;
vm86.sub_args = (char *)&kargs;
i = sysarch(I386_VM86, &vm86);
i386_vm86(VM86_INIT, &kargs);
sigreturn(&sc);
debug(D_ALWAYS,"sigreturn failed : %s\n", strerror(errno));
@ -831,22 +828,17 @@ call_on_quit(void (*func)(void *), void *arg)
coq = c;
}
struct i386_ioperm_args {
u_short start;
u_short length;
char disable;
};
struct sysarch_args {
int op;
char *parms;
struct io_range {
u_int start;
u_int length;
int enable;
};
static void
iomap_init(void)
{
int i;
struct i386_ioperm_args args[] = {
struct io_range io[] = {
#if 0
{ 0x200, 0x200, 1 }, /* 0x200 - 0x400 */
{ 0x1c80, 2, 1 }, /* 0x1c80 - 0x1c81 */
@ -855,12 +847,12 @@ iomap_init(void)
{ 0x3c4, 2, 1 }, /* 0x3c4 - 0x3c5 */
{ 0x3c5, 2, 1 }, /* 0x3ce - 0x3cf */
#else
{ 0x0, 0xffff, 1 }, /* entire i/o space */
{ 0x0, 0x10000, 1 }, /* entire i/o space */
#endif
{ 0, 0, 0 }
};
for (i = 0; args[i].length; i++)
if (sysarch(I386_SET_IOPERM, &(args[i])) < 0)
err(1, "sysarch");
for (i = 0; io[i].length; i++)
if (i386_set_ioperm(io[i].start, io[i].length, io[i].enable) < 0)
err(1, "i386_set_ioperm");
}