peter/spectre-meltdown-checker
peter/spectre-meltdown-checker
1
0
Fork 0
mirror of https://github.com/speed47/spectre-meltdown-checker.git synced 2025-05-11 15:31:10 +02:00
Code Issues Projects Releases Wiki Activity

arm64: phytium: Add CPU Implementer Phytium

Browse Source 
This patch adds 0x70 check for phytium implementer id in function
parse_cpu_details. Also adds that Phytium Soc is not vulnerable to variant 3/3a
This commit is contained in:
Zhiyuan Dai 2020-12-30 17:16:40 +08:00
parent 4ec3154be0
commit 31518d9f28
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
spectre-meltdown-checker.sh
View File

@ -467,6 +467,10 @@ is_cpu_vulnerable()
variant3=immune
variant3a=immune
variantl1tf=immune
elif [ "$cpu_vendor" = PHYTIUM ]; then
variant3=immune
variant3a=immune
variantl1tf=immune
elif [ "$cpu_vendor" = ARM ]; then
# ARM
# reference: https://developer.arm.com/support/security-update
@ -688,6 +692,8 @@ is_cpu_mds_free()
return 0
elif [ "$cpu_vendor" = CAVIUM ]; then
return 0
elif [ "$cpu_vendor" = PHYTIUM ]; then
return 0
elif [ "$cpu_vendor" = ARM ]; then
return 0
fi
@ -1572,6 +1578,8 @@ parse_cpu_details()
elif grep -qi 'CPU implementer[[:space:]]*:[[:space:]]*0x43' "$procfs/cpuinfo"; then
cpu_vendor='CAVIUM'
elif grep -qi 'CPU implementer[[:space:]]*:[[:space:]]*0x70' "$procfs/cpuinfo"; then
cpu_vendor='PHYTIUM'
fi
cpu_family=$( grep '^cpu family' "$procfs/cpuinfo" | awk '{print $4}' | grep -E '^[0-9]+$' | head -1)