1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
#
# qemu specific functions
#
################################################################
#
# Copyright (c) 1995-2014 SUSE Linux Products GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or 3 as
# published by the Free Software Foundation.
#
# 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 (see the file COPYING); if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
################################################################
# This used to be just an alias for kvm.
# Now it is used to emulate foreign architectures via qemu system emulator.
# Note: this is not for the faster qemu user land emulator, this is is still
# handled in chroot or kvm mode
vm_verify_options_qemu() {
if test -n "$KILL" -o -n "$DO_WIPE" ; then
return
fi
vm_kernel=/.build.kernel.kvm
vm_initrd=/.build.initrd.kvm
# overwrite some options for specific build architectures
case $BUILD_ARCH in
armv6l|armv7l)
qemu_bin="/usr/bin/qemu-system-arm"
qemu_console=ttyAMA0
qemu_options="-M virt"
qemu_device=virtio-blk-device
qemu_rng_device=virtio-rng-device
qemu_cpu="-cpu cortex-a15"
;;
armv8l|aarch32|aarch64|aarch64_ilp32)
qemu_bin="/usr/bin/qemu-system-aarch64"
qemu_console=ttyAMA0
qemu_cpu="-cpu cortex-a72"
qemu_options="$qemu_options -M virt"
qemu_device=virtio-blk-device
qemu_rng_device=virtio-rng-device
;;
ppc|ppcle|ppc64|ppc64le)
qemu_bin="/usr/bin/qemu-system-ppc64"
qemu_console=hvc0
qemu_options="-M pseries"
qemu_cpu=""
grep -q PPC970MP /proc/cpuinfo && qemu_check_ppc970
qemu_device=virtio-blk
qemu_rng_device=virtio-rng
;;
riscv64)
qemu_bin="/usr/bin/qemu-system-riscv64"
qemu_console=ttyS0
qemu_cpu="-cpu rv64"
qemu_options="$qemu_options -M virt -bios /usr/share/qemu/opensbi-riscv64-virt-fw_jump.bin"
qemu_device=virtio-blk-device
qemu_rng_device=virtio-rng-device
;;
s390|s390x)
qemu_bin="/usr/bin/qemu-system-s390x"
qemu_cpu="-cpu qemu"
qemu_console=hvc0
qemu_device=virtio-blk-ccw
qemu_serial_device=virtio-serial-ccw
qemu_rng_device=virtio-rng-ccw
;;
x86_64)
qemu_bin="/usr/bin/qemu-system-x86_64"
qemu_cpu="-cpu qemu64"
# Use defaults and fallbacks for other values
;;
#
# untested architectures
#
hppa)
qemu_bin="/usr/bin/qemu-system-hppa"
qemu_console=ttyAMA0
qemu_cpu=""
qemu_options="$qemu_options -bios /usr/share/qemu/hppa-firmware.img"
;;
m68k)
qemu_bin="/usr/bin/qemu-system-m68k"
qemu_console=ttyAMA0
qemu_cpu="-cpu m68000"
qemu_options="$qemu_options -M none"
;;
riscv32)
qemu_bin="/usr/bin/qemu-system-riscv32"
qemu_console=ttyS0
qemu_cpu="-cpu rv32"
qemu_options="$qemu_options -M virt -bios /usr/share/qemu/opensbi-riscv32-virt-fw_jump.bin"
qemu_device=virtio-blk-device
qemu_rng_device=virtio-rng-device
;;
esac
case $qemu_device in
virtio*)
VM_ROOTDEV=/dev/disk/by-id/virtio-0
VM_SWAPDEV=/dev/disk/by-id/virtio-1
;;
*)
VM_ROOTDEV=/dev/sda
VM_SWAPDEV=/dev/sdb
;;
esac
if test -n "$VM_NETOPT" -o -n "$VM_NETDEVOPT" ; then
if test -n "$VM_NETOPT" ; then
for item in "${VM_NETOPT[@]}" ; do
qemu_options="$qemu_options -net $item"
done
fi
if test -n "$VM_NETDEVOPT" ; then
for item in "${VM_NETDEVOPT[@]}" ; do
qemu_options="$qemu_options -netdev $item"
done
fi
fi
if test -n "$VM_DEVICEOPT" ; then
for item in "${VM_DEVICEOPT[@]}" ; do
qemu_options="$qemu_options -device $item"
done
fi
if test -n "$qemu_rng_device" ; then
if test -c /dev/hwrng &&
test -f /sys/class/misc/hw_random/rng_current &&
test "$(cat /sys/class/misc/hw_random/rng_current)" != none; then
rng_dev="/dev/hwrng"
else
rng_dev="/dev/random"
fi
qemu_options="$qemu_options -object rng-random,filename=$rng_dev,id=rng0 -device $qemu_rng_device,rng=rng0"
fi
}
vm_startup_qemu() {
qemu_args=(-drive file="$VM_ROOT",format=raw,if=none,id=disk,cache=unsafe -device "$qemu_device",drive=disk,serial=0)
if [ -n "$VM_USER" ] ; then
getent passwd "$VM_USER" > /dev/null || cleanup_and_exit 3 "cannot find KVM user '$VM_USER'"
else
# use qemu user by default if available
getent passwd qemu >/dev/null && VM_USER=qemu
fi
[ -n "$VM_USER" ] && qemu_options="$qemu_options -runas $VM_USER"
if test -n "$VM_SWAP" ; then
qemu_args=("${qemu_args[@]}" -drive file="$VM_SWAP",format=raw,if=none,id=swap,cache=unsafe -device "$qemu_device",drive=swap,serial=1)
fi
kvm_add_console_args "$qemu_serial_device"
if test -n "$BUILD_JOBS" -a "$icecream" = 0 -a -z "$BUILD_THREADS" ; then
qemu_args=("${qemu_args[@]}" "-smp" "$BUILD_JOBS")
elif test -n "$BUILD_JOBS" -a -n "$BUILD_THREADS" ; then
qemu_args=("${qemu_args[@]}" "-smp" "$BUILD_JOBS,threads=$BUILD_THREADS")
fi
qemu_append="root=$VM_ROOTDEV"
if test -n "$VMDISK_FILESYSTEM" ; then
qemu_append="$qemu_append rootfstype=$VMDISK_FILESYSTEM"
fi
if test -n "$VMDISK_MOUNT_OPTIONS" ; then
qemu_append="$qemu_append rootflags=${VMDISK_MOUNT_OPTIONS#-o }"
fi
qemu_append="$qemu_append $vm_linux_kernel_parameter"
qemu_append="$qemu_append panic=1 quiet no-kvmclock elevator=noop"
qemu_append="$qemu_append nmi_watchdog=0 rw rd.driver.pre=binfmt_misc"
qemu_append="$qemu_append console=$qemu_console init=$vm_init_script"
if test -z "$VM_NETOPT" -a -z "$VM_NETDEVOPT"; then
qemu_options="$qemu_options -net none"
fi
if test -n "$VM_TELNET"; then
qemu_options="$qemu_options -netdev user,id=telnet,hostfwd=tcp:127.0.0.1:$VM_TELNET-:23 -device e1000,netdev=telnet"
fi
if test -n "$VM_CUSTOMOPT"; then
qemu_options="$qemu_options $VM_CUSTOMOPT"
fi
set -- $qemu_bin -nodefaults -no-reboot -nographic -vga none $qemu_cpu $qemu_options \
-kernel $vm_kernel \
-initrd $vm_initrd \
-append "$qemu_append" \
${VM_MEMSIZE:+-m $VM_MEMSIZE} \
"${qemu_args[@]}"
if test "$PERSONALITY" != 0 ; then
# have to switch back to PER_LINUX to make qemu work
set -- linux64 "$@"
fi
export QEMU_AUDIO_DRV=none # we do not want to have sound inside the VMs
echo "$@"
"$@"
qemu_ret=$?
test "$qemu_ret" = "137" && cleanup_and_exit 3 "qemu got SIGKILL"
}
vm_kill_qemu() {
vm_kill_kvm
}
vm_fixup_qemu() {
vm_fixup_kvm
if test -z "$qemu_serial_device" ; then
if test -e "$BUILD_ROOT/.build.console.kvm" -a ! -L "$BUILD_ROOT/.build.console.kvm" && grep -q '^virtio$' "$BUILD_ROOT/.build.console.kvm" ; then
echo "Detected virtio-serial support"
qemu_serial_device=virtio-serial,max_ports=2
qemu_console=hvc0
fi
fi
}
vm_attach_root_qemu() {
vm_attach_root_kvm
}
vm_attach_swap_qemu() {
vm_attach_swap_kvm
}
vm_detach_root_qemu() {
vm_detach_root_kvm
}
vm_detach_swap_qemu() {
vm_detach_swap_kvm
}
vm_cleanup_qemu() {
vm_cleanup_kvm
}
vm_sysrq_qemu() {
vm_sysrq_kvm
}
vm_wipe_qemu() {
vm_wipe_kvm
}
|
