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/*
* qemubuilder: pbuilder with qemu
* arch-specific code.
*
* Copyright (C) 2009 Junichi Uekawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <sys/sysmacros.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <stdarg.h>
#include <assert.h>
#include <termios.h>
#include <time.h>
#include <locale.h>
#include "parameter.h"
#include "qemuarch.h"
#include "file.h"
/**
* arch-specific routine; disk device name to use
*/
const char *qemu_arch_diskdevice(const struct pbuilderconfig *pc) {
if (pc->arch_diskdevice) {
return pc->arch_diskdevice;
}
return "sd";
}
/**
* arch-specific routine; the console device to make
*/
const int qemu_create_arch_serialdevice(const char *basedir, const char *arch) {
dev_t consoledev;
if (!strcmp(arch, "arm") || !strcmp(arch, "armel") ||
!strcmp(arch, "armhf") || !strcmp(arch, "arm64")) {
consoledev = makedev(204, 64);
} else {
consoledev = makedev(4, 64);
}
return mknod_inside_chroot(
basedir, "dev/console", S_IFCHR | 0660, consoledev);
}
/**
* arch-specific routine; make device files inside chroot
*/
const int qemu_create_arch_devices(const char *basedir, const char *arch) {
int ret = 0;
char *s = 0;
asprintf(&s, "%s/%s", basedir, "dev");
if (-1 == mkdir(s, 0777)) {
log_perror("mkdir chroot-/dev");
ret = 1;
}
free(s);
ret += qemu_create_arch_serialdevice(basedir, arch);
ret += mknod_inside_chroot(
basedir, "dev/ttyS0", S_IFCHR | 0660, makedev(4, 64));
ret += mknod_inside_chroot(
basedir, "dev/ttyAMA0", S_IFCHR | 0660, makedev(204, 64));
ret +=
mknod_inside_chroot(basedir, "dev/sda", S_IFBLK | 0660, makedev(8, 0));
ret +=
mknod_inside_chroot(basedir, "dev/sdb", S_IFBLK | 0660, makedev(8, 16));
ret +=
mknod_inside_chroot(basedir, "dev/hda", S_IFBLK | 0660, makedev(3, 0));
ret +=
mknod_inside_chroot(basedir, "dev/hdb", S_IFBLK | 0660, makedev(3, 64));
return ret;
}
/**
* get output of dpkg --print-architecture
* returns a malloc'd string, you need to free it.
*/
char *get_host_dpkg_arch() {
FILE *f = popen("dpkg --print-architecture", "r");
char *host_arch;
fscanf(f, "%ms", &host_arch);
pclose(f);
return host_arch;
}
/**
* arch-specific routine; qemu command to use.
*/
const char *qemu_arch_qemu(const char *arch) {
if (!strcmp(arch, "arm") || !strcmp(arch, "armel") ||
!strcmp(arch, "armhf")) {
return "qemu-system-arm";
} else if (!strcmp(arch, "arm64")) {
return "qemu-system-aarch64";
} else if (!strcmp(arch, "mips")) {
return "qemu-system-mips";
} else if (!strcmp(arch, "mipsel")) {
return "qemu-system-mipsel";
} else if (!strcmp(arch, "i386") || !strcmp(arch, "hurd-i386") ||
!strcmp(arch, "amd64") || !strcmp(arch, "x32")) {
return "qemu-system-x86_64";
} else if (!strcmp(arch, "hurd-i386")) {
return "qemu";
} else if (!strcmp(arch, "powerpc")) {
return "qemu-system-ppc";
} else if (!strcmp(arch, "sparc")) {
return "qemu-system-sparc";
} else {
return NULL;
}
}
/**
* arch-specific routine; the machine spec for this arch
*/
const char *qemu_arch_qemumachine(const char *arch) {
if (!strcmp(arch, "arm") || !strcmp(arch, "armel")) {
return "versatilepb";
} else if (!strcmp(arch, "armhf") || !strcmp(arch, "arm64")) {
return "virt";
} else if (!strcmp(arch, "i386") || !strcmp(arch, "hurd-i386") ||
!strcmp(arch, "amd64") || !strcmp(arch, "x32")) {
return "pc";
} else if (!strcmp(arch, "mips") || !strcmp(arch, "mipsel")) {
return "malta";
} else if (!strcmp(arch, "powerpc")) {
return "prep";
} else if (!strcmp(arch, "sparc")) {
return "SS-5";
}
return NULL;
}
/**
* arch-specific routine; the serial device
*/
const char *qemu_arch_tty(const char *arch) {
if (!strcmp(arch, "arm") || !strcmp(arch, "armel") ||
!strcmp(arch, "armhf") || !strcmp(arch, "arm64")) {
return "ttyAMA0,115200n8";
}
return "ttyS0,115200n8";
}
/**
* arch-specific routine; the CPU
*/
const char *qemu_arch_cpu(const char *arch) {
if (!strcmp(arch, "arm64")) {
return "cortex-a57";
}
return NULL;
}
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