diff options
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 28 |
1 files changed, 22 insertions, 6 deletions
@@ -34,7 +34,7 @@ LOAD_CMD="tftpb" DEVICE_TREE="mpsoc.dtb" XEN="xen" XEN_CMD="console=dtuart dtuart=serial0 dom0_mem=1G dom0_max_vcpus=1 bootscrub=0 vwfi=native sched=null" -XEN_PASSTHROUGH_PATHS="/axi/ethernet@ff0e0000 /axi/serial@ff000000" +PASSTHROUGH_DTS_REPO="git@github.com:Xilinx/xen-passthrough-device-trees.git device-trees-2021.2" DOM0_KERNEL="Image-dom0" DOM0_CMD="console=hvc0 earlycon=xen earlyprintk=xen clk_ignore_unused" DOM0_RAMDISK="dom0-ramdisk.cpio" @@ -44,9 +44,9 @@ DT_OVERLAY[0]="host_dt_overlay.dtbo" NUM_DOMUS=2 DOMU_KERNEL[0]="zynqmp-dom1/Image-domU" +DOMU_PASSTHROUGH_PATHS[0]="/axi/ethernet@ff0e0000 /axi/serial@ff000000" DOMU_CMD[0]="console=ttyPS0 earlycon console=ttyPS0,115200 clk_ignore_unused rdinit=/sbin/init root=/dev/ram0 init=/bin/sh" DOMU_RAMDISK[0]="zynqmp-dom1/domU-ramdisk.cpio" -DOMU_PASSTHROUGH_DTB[0]="zynqmp-dom1/passthrough-example-part.dtb" DOMU_KERNEL[1]="zynqmp-dom2/Image-domU" DOMU_CMD[1]="console=ttyAMA0 clk_ignore_unused rdinit=/sbin/init root=/dev/ram0 init=/bin/sh" DOMU_RAMDISK[1]="zynqmp-dom2/domU-ramdisk.cpio" @@ -87,8 +87,11 @@ Where: - XEN_CMD specifies the command line arguments used for Xen. If not set, the default one will be used. -- XEN_PASSTHROUGH_PATHS specifies the passthrough devices (separated - by spaces). It adds "xen,passthrough" to the corresponding dtb nodes. +- PASSTHROUGH_DTS_REPO specifies the git repository and/or the directory + which contains the partial device trees. This is optional. However, if + this is specified, then XEN_PASSTHROUGH_PATHS need to be specified. + uboot-script-gen will compile the partial device trees which have + been specified in XEN_PASSTHROUGH_PATHS. - DOM0_KERNEL specifies the Dom0 kernel file to load. @@ -114,8 +117,21 @@ Where: - DOMU_RAMDISK[number] specifies the DomU ramdisk to use. -- DOMU_PASSTHROUGH_DTB[number] specifies the device assignment - configuration, see xen.git:docs/misc/arm/passthrough.txt +- DOMU_PASSTHROUGH_PATHS[number] specifies the passthrough devices ( + separated by spaces). It adds "xen,passthrough" to the corresponding + dtb nodes in xen device tree blob. + This option is valid only when PASSTHROUGH_DTS_REPO is provided. + With this option, the partial device trees (corresponding to the + passthrough devices) from the PASSTHROUGH_DTS_REPO, are compiled + merged and used as DOMU[number] device tree blob. + Note it assumes that the names of the partial device trees will match + to the names of the devices specified here. + +- DOMU_PASSTHROUGH_DTB[number] specifies the passthrough device trees + blob. This option is used when DOMU_PASSTHROUGH_PATHS[number] is not + specified by the user. + NOTE that with this option, user needs to manually set xen,passthrough + in xen.dtb. - DOMU_MEM[number] is the amount of memory for the VM in MB, default 512MB |