166 lines
3.5 KiB
C
166 lines
3.5 KiB
C
/* $OpenBSD: cmd_i386.c,v 1.2 2024/04/25 18:31:49 kn Exp $ */
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/*
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* Copyright (c) 1997-1999 Michael Shalayeff
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* Copyright (c) 1997 Tobias Weingartner
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/param.h>
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#include <sys/reboot.h>
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#include <machine/biosvar.h>
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#include <sys/disklabel.h>
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#include "disk.h"
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#include "biosdev.h"
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#include "libsa.h"
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#include <cmd.h>
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#include "efiboot.h"
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#include "efidev.h"
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extern const char version[];
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int Xboot(void);
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int Xcomaddr(void);
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int Xdiskinfo(void);
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int Xmemory(void);
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int Xregs(void);
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/* From gidt.S */
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int bootbuf(void *, int);
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const struct cmd_table cmd_machine[] = {
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{ "comaddr", CMDT_CMD, Xcomaddr },
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{ "diskinfo", CMDT_CMD, Xdiskinfo },
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{ "memory", CMDT_CMD, Xmemory },
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{ "video", CMDT_CMD, Xvideo_efi },
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{ "gop", CMDT_CMD, Xgop_efi },
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{ "exit", CMDT_CMD, Xexit_efi },
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{ "poweroff", CMDT_CMD, Xpoweroff_efi },
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#ifdef DEBUG
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{ "regs", CMDT_CMD, Xregs },
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#endif
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#ifdef IDLE_POWEROFF
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{ "idle", CMDT_CMD, Xidle_efi },
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#endif
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{ NULL, 0 }
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};
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int
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Xdiskinfo(void)
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{
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efi_dump_diskinfo();
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return 0;
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}
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#ifdef DEBUG
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int
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Xregs(void)
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{
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DUMP_REGS;
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return 0;
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}
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#endif
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int
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Xmemory(void)
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{
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if (cmd.argc >= 2) {
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int i;
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/* parse the memory specs */
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for (i = 1; i < cmd.argc; i++) {
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char *p;
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long long addr, size;
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p = cmd.argv[i];
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size = strtoll(p + 1, &p, 0);
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/* Size the size */
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switch (*p) {
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case 'G':
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case 'g':
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size *= 1024;
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case 'M':
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case 'm':
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size *= 1024;
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case 'K':
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case 'k':
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size *= 1024;
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p++;
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}
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/* Handle (possibly non-existent) address part */
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switch (*p) {
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case '@':
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addr = strtoll(p + 1, NULL, 0);
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break;
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/* Adjust address if we don't need it */
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default:
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if (cmd.argv[i][0] == '=')
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addr = -1;
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else
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addr = 0;
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}
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if (addr == 0 || size == 0) {
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printf("bad language\n");
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return 0;
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} else {
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switch (cmd.argv[i][0]) {
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case '-':
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mem_delete(addr, addr + size);
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break;
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case '+':
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mem_add(addr, addr + size);
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break;
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case '=':
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mem_limit(size);
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break;
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default :
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printf("bad OP\n");
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return 0;
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}
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}
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}
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}
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dump_biosmem(NULL);
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return 0;
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}
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int
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Xcomaddr(void)
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{
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extern int com_addr;
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if (cmd.argc >= 2)
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com_addr = (int)strtol(cmd.argv[1], NULL, 0);
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return 0;
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}
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