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Diffstat (limited to 'usr.sbin/bhyvectl/sample.sh')
-rwxr-xr-x | usr.sbin/bhyvectl/sample.sh | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/usr.sbin/bhyvectl/sample.sh b/usr.sbin/bhyvectl/sample.sh new file mode 100755 index 0000000..356bd5f --- /dev/null +++ b/usr.sbin/bhyvectl/sample.sh @@ -0,0 +1,75 @@ +#!/bin/sh + +# $FreeBSD$ + +BHYVECTL="sudo ./bhyvectl" +VMNAME=sample + +${BHYVECTL} --vm=${VMNAME} --create +${BHYVECTL} --vm=${VMNAME} --set-lowmem=128 --set-highmem=256 +${BHYVECTL} --vm=${VMNAME} --get-lowmem --get-highmem + +CR0_PE=$((1 << 0)) +CR0_PG=$((1 << 31)) +CR0=$(($CR0_PE | $CR0_PG)) +${BHYVECTL} --vm=${VMNAME} --set-cr0=${CR0} --get-cr0 + +# XXX this is bogus the value of %cr3 should come from the loader +CR3=0 +${BHYVECTL} --vm=${VMNAME} --set-cr3=${CR3} --get-cr3 + +CR4_PAE=$((1 << 5)) +CR4=$((${CR4_PAE})) +${BHYVECTL} --vm=${VMNAME} --set-cr4=${CR4} --get-cr4 + +DR7=0x00000400 # Table 9-1 from Intel Architecture Manual 3A +${BHYVECTL} --vm=${VMNAME} --set-dr7=${DR7} --get-dr7 + +# +# XXX the values of rsp and rip are bogus and should come from the loader. +# +RSP=0xa5a5a5a5 +RIP=0x0000bfbfbfbf0000 +RFLAGS=0x2 +${BHYVECTL} --vm=${VMNAME} --set-rsp=${RSP} --get-rsp +${BHYVECTL} --vm=${VMNAME} --set-rip=${RIP} --get-rip +${BHYVECTL} --vm=${VMNAME} --set-rflags=${RFLAGS} --get-rflags + +# Set "hidden" state of %cs descriptor to indicate long mode code segment. +# +# Note that this should match the contents of the entry pointed to by the +# segment selector in the GDTR. +# +${BHYVECTL} --vm=${VMNAME} --set-desc-cs --desc-access=0x00002098 --get-desc-cs + +# Set "hidden" state of all data descriptors to indicate a usable segment. +# The only useful fields are the "Present" and "Descriptor Type" bits. +${BHYVECTL} --vm=${VMNAME} --set-desc-ds --desc-access=0x00000090 --get-desc-ds +${BHYVECTL} --vm=${VMNAME} --set-desc-es --desc-access=0x00000090 --get-desc-es +${BHYVECTL} --vm=${VMNAME} --set-desc-fs --desc-access=0x00000090 --get-desc-fs +${BHYVECTL} --vm=${VMNAME} --set-desc-gs --desc-access=0x00000090 --get-desc-gs +${BHYVECTL} --vm=${VMNAME} --set-desc-ss --desc-access=0x00000090 --get-desc-ss + +# +# Set the code segment selector to point to entry at offset 8 in the GDTR. +# +${BHYVECTL} --vm=${VMNAME} --set-cs=0x0008 --get-cs + +# Set all the remaining data segment selectors to point to entry at offset +# 16 in the GDTR. +${BHYVECTL} --vm=${VMNAME} --set-ds=0x0010 --get-ds +${BHYVECTL} --vm=${VMNAME} --set-es=0x0010 --get-es +${BHYVECTL} --vm=${VMNAME} --set-fs=0x0010 --get-fs +${BHYVECTL} --vm=${VMNAME} --set-gs=0x0010 --get-gs +${BHYVECTL} --vm=${VMNAME} --set-ss=0x0010 --get-ss + +# XXX the value of the GDTR should come from the loader. +# Set the GDTR +GDTR_BASE=0xffff0000 +GDTR_LIMIT=0x10 +${BHYVECTL} --vm=${VMNAME} --set-desc-gdtr --desc-base=${GDTR_BASE} --desc-limit=${GDTR_LIMIT} --get-desc-gdtr + +${BHYVECTL} --vm=${VMNAME} --set-pinning=0 --get-pinning +${BHYVECTL} --vm=${VMNAME} --set-pinning=-1 --get-pinning + +${BHYVECTL} --vm=${VMNAME} --destroy |