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https://github.com/speed47/spectre-meltdown-checker
synced 2024-08-29 23:33:41 +02:00
fix MSR reading, need rdmsr for now
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@ -1,7 +1,7 @@
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#! /bin/sh
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#! /bin/sh
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# Spectre & Meltdown checker
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# Spectre & Meltdown checker
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# Stephane Lesimple
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# Stephane Lesimple
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VERSION=0.04
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VERSION=0.05
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pstatus()
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pstatus()
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{
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{
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@ -116,14 +116,23 @@ fi
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if [ ! -e /dev/cpu/0/msr ]; then
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if [ ! -e /dev/cpu/0/msr ]; then
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pstatus yellow UNKNOWN "couldn't read /dev/cpu/0/msr, is msr support enabled in your kernel?"
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pstatus yellow UNKNOWN "couldn't read /dev/cpu/0/msr, is msr support enabled in your kernel?"
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else
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else
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dd if=/dev/cpu/0/msr of=/dev/null bs=1 count=8 skip=72 2>/dev/null
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if which rdmsr >/dev/null 2>&1; then
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if [ $? -eq 0 ]; then
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rdmsr 0x48 >/dev/null 2>&1
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pstatus green YES
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if [ $? -eq 0 ]; then
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pstatus green YES
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else
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pstatus red NO
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fi
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else
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else
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pstatus red NO
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pstatus yellow UNKNOWN "missing 'rdmsr' tool, please install it, usually it's in the msr-tools package"
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# doesn't work:
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#dd if=/dev/cpu/0/msr of=/dev/null bs=1 count=8 skip=72 2>/dev/null
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#if [ $? -eq 0 ]; then
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# pstatus green YES
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#else
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# pstatus red NO
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#fi
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fi
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fi
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#dd if=/dev/cpu/0/msr of=/dev/null bs=1 count=8 skip=73 2>/dev/null
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#/bin/echo $?
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fi
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fi
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if [ "$insmod_msr" = 1 ]; then
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if [ "$insmod_msr" = 1 ]; then
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