src/sys/arch/amd64/stand/efiboot/cmd_i386.c

166 lines
3.5 KiB
C

/* $OpenBSD: cmd_i386.c,v 1.2 2024/04/25 18:31:49 kn Exp $ */
/*
* Copyright (c) 1997-1999 Michael Shalayeff
* Copyright (c) 1997 Tobias Weingartner
* 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 ``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 <sys/param.h>
#include <sys/reboot.h>
#include <machine/biosvar.h>
#include <sys/disklabel.h>
#include "disk.h"
#include "biosdev.h"
#include "libsa.h"
#include <cmd.h>
#include "efiboot.h"
#include "efidev.h"
extern const char version[];
int Xboot(void);
int Xcomaddr(void);
int Xdiskinfo(void);
int Xmemory(void);
int Xregs(void);
/* From gidt.S */
int bootbuf(void *, int);
const struct cmd_table cmd_machine[] = {
{ "comaddr", CMDT_CMD, Xcomaddr },
{ "diskinfo", CMDT_CMD, Xdiskinfo },
{ "memory", CMDT_CMD, Xmemory },
{ "video", CMDT_CMD, Xvideo_efi },
{ "gop", CMDT_CMD, Xgop_efi },
{ "exit", CMDT_CMD, Xexit_efi },
{ "poweroff", CMDT_CMD, Xpoweroff_efi },
#ifdef DEBUG
{ "regs", CMDT_CMD, Xregs },
#endif
#ifdef IDLE_POWEROFF
{ "idle", CMDT_CMD, Xidle_efi },
#endif
{ NULL, 0 }
};
int
Xdiskinfo(void)
{
efi_dump_diskinfo();
return 0;
}
#ifdef DEBUG
int
Xregs(void)
{
DUMP_REGS;
return 0;
}
#endif
int
Xmemory(void)
{
if (cmd.argc >= 2) {
int i;
/* parse the memory specs */
for (i = 1; i < cmd.argc; i++) {
char *p;
long long addr, size;
p = cmd.argv[i];
size = strtoll(p + 1, &p, 0);
/* Size the size */
switch (*p) {
case 'G':
case 'g':
size *= 1024;
case 'M':
case 'm':
size *= 1024;
case 'K':
case 'k':
size *= 1024;
p++;
}
/* Handle (possibly non-existent) address part */
switch (*p) {
case '@':
addr = strtoll(p + 1, NULL, 0);
break;
/* Adjust address if we don't need it */
default:
if (cmd.argv[i][0] == '=')
addr = -1;
else
addr = 0;
}
if (addr == 0 || size == 0) {
printf("bad language\n");
return 0;
} else {
switch (cmd.argv[i][0]) {
case '-':
mem_delete(addr, addr + size);
break;
case '+':
mem_add(addr, addr + size);
break;
case '=':
mem_limit(size);
break;
default :
printf("bad OP\n");
return 0;
}
}
}
}
dump_biosmem(NULL);
return 0;
}
int
Xcomaddr(void)
{
extern int com_addr;
if (cmd.argc >= 2)
com_addr = (int)strtol(cmd.argv[1], NULL, 0);
return 0;
}