cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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x86_msr.sh (1695B)


      1#!/bin/sh
      2# SPDX-License-Identifier: LGPL-2.1
      3
      4if [ $# -ne 1 ] ; then
      5	arch_x86_header_dir=tools/arch/x86/include/asm/
      6else
      7	arch_x86_header_dir=$1
      8fi
      9
     10x86_msr_index=${arch_x86_header_dir}/msr-index.h
     11
     12# Support all later, with some hash table, for now chop off
     13# Just the ones starting with 0x00000 so as to have a simple
     14# array.
     15
     16printf "static const char *x86_MSRs[] = {\n"
     17regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:alnum:]_]+)[[:space:]]+(0x00000[[:xdigit:]]+)[[:space:]]*.*'
     18egrep $regex ${x86_msr_index} | egrep -v 'MSR_(ATOM|P[46]|IA32_(TSC_DEADLINE|UCODE_REV)|IDT_FCR4)' | \
     19	sed -r "s/$regex/\2 \1/g" | sort -n | \
     20	xargs printf "\t[%s] = \"%s\",\n"
     21printf "};\n\n"
     22
     23# Remove MSR_K6_WHCR, clashes with MSR_LSTAR
     24regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:alnum:]_]+)[[:space:]]+(0xc0000[[:xdigit:]]+)[[:space:]]*.*'
     25printf "#define x86_64_specific_MSRs_offset "
     26egrep $regex ${x86_msr_index} | sed -r "s/$regex/\2/g" | sort -n | head -1
     27printf "static const char *x86_64_specific_MSRs[] = {\n"
     28egrep $regex ${x86_msr_index} | \
     29	sed -r "s/$regex/\2 \1/g" | egrep -vw 'K6_WHCR' | sort -n | \
     30	xargs printf "\t[%s - x86_64_specific_MSRs_offset] = \"%s\",\n"
     31printf "};\n\n"
     32
     33regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:alnum:]_]+)[[:space:]]+(0xc0010[[:xdigit:]]+)[[:space:]]*.*'
     34printf "#define x86_AMD_V_KVM_MSRs_offset "
     35egrep $regex ${x86_msr_index} | sed -r "s/$regex/\2/g" | sort -n | head -1
     36printf "static const char *x86_AMD_V_KVM_MSRs[] = {\n"
     37egrep $regex ${x86_msr_index} | \
     38	sed -r "s/$regex/\2 \1/g" | sort -n | \
     39	xargs printf "\t[%s - x86_AMD_V_KVM_MSRs_offset] = \"%s\",\n"
     40printf "};\n"