Masalah saya adalah bahwa perangkat jaringan di pohon perangkat saya tidak terlalu stabil sehingga saya pikir cara terbaik untuk berbagi folder antara qemu dan sistem host adalah me-mount img yang sama tanpa cache di kedua sisi tetapi opsi -hda pada qemu tidak membuat hd tersedia di / dev /.
Inilah perintah yang saya jalankan.
./qemu-xilinx/arm-softmmu/qemu-system-arm -M xilinx-zynq-a9 -m 1024 -serial null -serial mon:stdio -dtb resources/devicetree.dtb -kernel resources/zImage -initrd resources.qemu/ramdisk.img -nographic -s
Jadi pertanyaannya adalah: adakah cara untuk menghindari jaringan namun memiliki direktori bersama antara qemu dan tuan rumah?
EDIT: Saya kompilasi dengan
./configure --target-list="arm-softmmu,microblazeel-softmmu" --enable-fdt --disable-kvm --enable-virtfs
yang harus memungkinkan apa pun yang dibutuhkan. Namun ketika saya lari
./qemu-xilinx/arm-softmmu/qemu-system-arm -M xilinx-zynq-a9 -m 1024 -serial null -serial mon:stdio -dtb /homes/cperivol/Sandbox/xilinx-zynq-bootstrap/resources/devicetree.dtb -kernel /homes/cperivol/Sandbox/xilinx-zynq-bootstrap/resources/zImage -initrd /homes/cperivol/Sandbox/xilinx-zynq-bootstrap/resources.qemu/ramdisk.img -nographic -s -fsdev local,path=/homes/cperivol/Sandbox/xilinx-zynq-bootstrap/qemu-sandbox/,security_model=passthrough,id=host0 -device virtio-9p-pci,fsdev=host0,mount_tag=host_tag0
atau
./qemu-xilinx/arm-softmmu/qemu-system-arm -M xilinx-zynq-a9 -m 1024 -serial null -serial mon:stdio -dtb resources/devicetree.dtb -kernel resources/zImage -initrd resources.qemu/ramdisk.img -nographic -s -virtfs local,path=/homes/cperivol/Sandbox/xilinx-zynq-bootstrap/qemu-sandbox/,mount_tag=host0,security_model=passthrough,id=host0
saya mendapat
No 'PCI' bus found for device 'virtio-9p-pci'
Mungkin saya juga harus menyebutkan bahwa arm-softmmu/config-devices.mak
ada di sana CONFIG_PCI=y
, dan tentu saja file objek pci ada di hw/pci
.
EDIT2: Melihat pohon perangkat yang dibuang oleh qemu sistem yang ditiru tidak termasuk bus PCI.
(qemu) info qtree
bus: main-system-bus
type System
dev: xlnx.ps7-dev-cfg, id ""
irq 1
mmio 00000000f8007000/000000000000011c
dev: pl330, id ""
gpio-in 32
num_chnls = 8
num_periph_req = 4
num_events = 16
mgr_ns_at_rst = 0
i-cache_len = 4
num_i-cache_lines = 8
boot_addr = 0
INS = 0
PNS = 0
data_width = 64
wr_cap = 8
wr_q_dep = 16
rd_cap = 8
rd_q_dep = 16
data_buffer_dep = 256
irq 17
mmio 00000000f8003000/0000000000001000
dev: generic-sdhci, id ""
capareg = 0x5780080
maxcurr = 0x0
irq 1
mmio 00000000e0101000/0000000000000100
dev: generic-sdhci, id ""
capareg = 0x5780080
maxcurr = 0x0
irq 1
mmio 00000000e0100000/0000000000000100
dev: cadence_gem, id ""
mac = 52:54:00:12:34:56
vlan = 0
netdev = hub0port0
bootindex = -1
irq 1
mmio 00000000e000b000/0000000000000640
dev: cadence_ttc, id ""
irq 3
mmio 00000000f8002000/0000000000001000
dev: cadence_ttc, id ""
irq 3
mmio 00000000f8001000/0000000000001000
dev: cadence_uart, id ""
irq 1
mmio 00000000e0001000/0000000000001000
dev: cadence_uart, id ""
irq 1
mmio 00000000e0000000/0000000000001000
dev: xlnx.ps7-qspi, id ""
num-busses = 2
num-ss-bits = 1
num-txrx-bytes = 4
irq 3
mmio 00000000e000d000/0000000000000100
mmio 00000000fc000000/0000000002000000
bus: spi1
type SSI
dev: n25q128, id ""
gpio-in 1
bus: spi0
type SSI
dev: n25q128, id ""
gpio-in 1
dev: xlnx.ps7-spi, id ""
num-busses = 1
num-ss-bits = 4
num-txrx-bytes = 1
irq 5
mmio 00000000e0007000/0000000000000100
bus: spi0
type SSI
dev: n25q128, id ""
gpio-in 1
dev: n25q128, id ""
gpio-in 1
dev: n25q128, id ""
gpio-in 1
dev: n25q128, id ""
gpio-in 1
dev: xlnx.ps7-spi, id ""
num-busses = 1
num-ss-bits = 4
num-txrx-bytes = 1
irq 5
mmio 00000000e0006000/0000000000000100
bus: spi0
type SSI
dev: n25q128, id ""
gpio-in 1
dev: n25q128, id ""
gpio-in 1
dev: n25q128, id ""
gpio-in 1
dev: n25q128, id ""
gpio-in 1
dev: xlnx,ps7-usb, id "zynq-usb-1"
maxframes = 128
irq 1
mmio 00000000e0003000/0000000000001000
bus: zynq-usb-1.0
type usb-bus
dev: xlnx,ps7-usb, id "zynq-usb-0"
maxframes = 128
irq 1
mmio 00000000e0002000/0000000000001000
bus: zynq-usb-0.0
type usb-bus
dev: xlnx.ps7-i2c, id ""
irq 1
mmio 00000000e0005000/000000000000002c
bus: i2c
type i2c-bus
dev: pca9548, id ""
chip-enable = 0
address = 0
address-range = 128
reg = 0
bus: i2c@7
type i2c-bus
bus: i2c@6
type i2c-bus
bus: i2c@5
type i2c-bus
bus: i2c@4
type i2c-bus
bus: i2c@3
type i2c-bus
dev: at.24c08, id ""
size = 1024
address = 84
address-range = 4
reg = 84
dev: at.24c08, id ""
size = 1024
address = 80
address-range = 4
reg = 80
bus: i2c@2
type i2c-bus
dev: at.24c08, id ""
size = 1024
address = 84
address-range = 4
reg = 84
dev: at.24c08, id ""
size = 1024
address = 80
address-range = 4
reg = 80
bus: i2c@1
type i2c-bus
bus: i2c@0
type i2c-bus
dev: xlnx.ps7-i2c, id ""
irq 1
mmio 00000000e0004000/000000000000002c
bus: i2c
type i2c-bus
dev: pca9548, id ""
chip-enable = 0
address = 0
address-range = 128
reg = 0
bus: i2c@7
type i2c-bus
bus: i2c@6
type i2c-bus
bus: i2c@5
type i2c-bus
bus: i2c@4
type i2c-bus
bus: i2c@3
type i2c-bus
dev: at.24c08, id ""
size = 1024
address = 84
address-range = 4
reg = 84
dev: at.24c08, id ""
size = 1024
address = 80
address-range = 4
reg = 80
bus: i2c@2
type i2c-bus
dev: at.24c08, id ""
size = 1024
address = 84
address-range = 4
reg = 84
dev: at.24c08, id ""
size = 1024
address = 80
address-range = 4
reg = 80
bus: i2c@1
type i2c-bus
bus: i2c@0
type i2c-bus
dev: arm_mptimer, id ""
num-cpu = 1
irq 1
mmio ffffffffffffffff/0000000000000020
mmio ffffffffffffffff/0000000000000020
dev: arm_mptimer, id ""
num-cpu = 1
irq 1
mmio ffffffffffffffff/0000000000000020
mmio ffffffffffffffff/0000000000000020
dev: a9-scu, id ""
num-cpu = 1
irq 0
mmio ffffffffffffffff/0000000000000100
dev: arm_gic, id ""
gpio-in 96
num-cpu = 1
num-irq = 96
revision = 1
irq 1
mmio ffffffffffffffff/0000000000001000
mmio ffffffffffffffff/0000000000000100
mmio ffffffffffffffff/0000000000000100
dev: a9mpcore_priv, id ""
gpio-in 64
num-cpu = 1
num-irq = 96
irq 1
mmio 00000000f8f00000/0000000000002000
dev: xilinx,zynq_slcr, id ""
irq 0
mmio 00000000f8000000/0000000000001000
dev: nand, id ""
manufacturer_id = 32
chip_id = 170
drive = <null>
irq 0
dev: cfi.pflash02, id ""
drive = <null>
num-blocks = 512
sector-length = 131072
width = 1
mappings = 1
big-endian = 0
id0 = 102
id1 = 34
id2 = 0
id3 = 0
unlock-addr0 = 2730
unlock-addr1 = 1365
name = "pl353.pflash"
irq 0
mmio ffffffffffffffff/0000000004000000
dev: arm.pl35x, id ""
x = 3
irq 0
mmio 00000000e000e000/0000000000001000
mmio 00000000e2000000/0000000001000000
mmio 00000000e1000000/0000000001000000
sumber
qemu-system-arm: -virtfs local,path=/path/to/share,mount_tag=host0,security_model=passthrough,id=host0: Parameter 'driver' expects device type
Pengaturan 9P Buildroot minimalis untuk x86_64, arm dan aarch64
Saya telah membuat pengaturan kerja Buildroot yang sangat otomatis yang dapat membantu Anda mengetahui mengapa pendekatan Anda tidak berfungsi.
Bahan utamanya adalah:
pengaturan kernel:
Untuk aarch64, tambahkan juga:
Jika Anda lupa menambahkan konfigurasi aarch64, dan
mount
gagal dengan:dan dmesg mengeluh dengan:
Didokumentasikan di: https://wiki.qemu.org/Documentation/9psetup
entri fstab dan perintah QEMU saya persis seperti yang dijelaskan di: https://superuser.com/a/628381/128124
Perintah pemasangan manual adalah:
Untuk referensi, baris perintah QEMU lengkap saya adalah: x86:
lengan:
aarch64:
Diuji pada QEMU 2.11 dan guest Linux kernel 4.15.
sumber