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split script in multiple files, reassembled through build.sh

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Stéphane Lesimple
2026-03-30 20:04:16 +02:00
parent 7e660812e9
commit cebda01d05
47 changed files with 7712 additions and 7617 deletions
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238
src/libs/350_cpu_detect2.sh Normal file
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# vim: set ts=4 sw=4 sts=4 et:
# Detect and cache CPU vendor, family, model, stepping, microcode, and arch capabilities
# Sets: cpu_vendor, cpu_family, cpu_model, cpu_stepping, cpu_cpuid, cpu_ucode, cpu_friendly_name, g_max_core_id, and many cap_* globals
parse_cpu_details() {
[ "${g_parse_cpu_details_done:-}" = 1 ] && return 0
local number_of_cores arch part ret
if command -v nproc >/dev/null; then
number_of_cores=$(nproc)
elif echo "$g_os" | grep -q BSD; then
number_of_cores=$(sysctl -n hw.ncpu 2>/dev/null || echo 1)
elif [ -e "$g_procfs/cpuinfo" ]; then
number_of_cores=$(grep -c ^processor "$g_procfs/cpuinfo" 2>/dev/null || echo 1)
else
# if we don't know, default to 1 CPU
number_of_cores=1
fi
g_max_core_id=$((number_of_cores - 1))
cap_avx2=0
cap_avx512=0
if [ -e "$g_procfs/cpuinfo" ]; then
if grep -qw avx2 "$g_procfs/cpuinfo" 2>/dev/null; then cap_avx2=1; fi
if grep -qw avx512 "$g_procfs/cpuinfo" 2>/dev/null; then cap_avx512=1; fi
cpu_vendor=$(grep '^vendor_id' "$g_procfs/cpuinfo" | awk '{print $3}' | head -n1)
cpu_friendly_name=$(grep '^model name' "$g_procfs/cpuinfo" | cut -d: -f2- | head -n1 | sed -e 's/^ *//')
# special case for ARM follows
if grep -qi 'CPU implementer[[:space:]]*:[[:space:]]*0x41' "$g_procfs/cpuinfo"; then
cpu_vendor='ARM'
# some devices (phones or other) have several ARMs and as such different part numbers,
# an example is "bigLITTLE", so we need to store the whole list, this is needed for is_cpu_affected
cpu_part_list=$(awk '/CPU part/ {print $4}' "$g_procfs/cpuinfo")
cpu_arch_list=$(awk '/CPU architecture/ {print $3}' "$g_procfs/cpuinfo")
# take the first one to fill the friendly name, do NOT quote the vars below
# shellcheck disable=SC2086
arch=$(echo $cpu_arch_list | awk '{ print $1 }')
# shellcheck disable=SC2086
part=$(echo $cpu_part_list | awk '{ print $1 }')
[ "$arch" = "AArch64" ] && arch=8
cpu_friendly_name="ARM"
[ -n "$arch" ] && cpu_friendly_name="$cpu_friendly_name v$arch"
[ -n "$part" ] && cpu_friendly_name="$cpu_friendly_name model $part"
elif grep -qi 'CPU implementer[[:space:]]*:[[:space:]]*0x43' "$g_procfs/cpuinfo"; then
cpu_vendor='CAVIUM'
elif grep -qi 'CPU implementer[[:space:]]*:[[:space:]]*0x70' "$g_procfs/cpuinfo"; then
cpu_vendor='PHYTIUM'
fi
cpu_family=$(grep '^cpu family' "$g_procfs/cpuinfo" | awk '{print $4}' | grep -E '^[0-9]+$' | head -n1)
cpu_model=$(grep '^model' "$g_procfs/cpuinfo" | awk '{print $3}' | grep -E '^[0-9]+$' | head -n1)
cpu_stepping=$(grep '^stepping' "$g_procfs/cpuinfo" | awk '{print $3}' | grep -E '^[0-9]+$' | head -n1)
cpu_ucode=$(grep '^microcode' "$g_procfs/cpuinfo" | awk '{print $3}' | head -n1)
else
cpu_vendor=$(dmesg 2>/dev/null | grep -i -m1 'Origin=' | cut -f2 -w | cut -f2 -d= | cut -f2 -d\")
cpu_family=$(dmesg 2>/dev/null | grep -i -m1 'Family=' | cut -f4 -w | cut -f2 -d=)
cpu_family=$((cpu_family))
cpu_model=$(dmesg 2>/dev/null | grep -i -m1 'Model=' | cut -f5 -w | cut -f2 -d=)
cpu_model=$((cpu_model))
cpu_stepping=$(dmesg 2>/dev/null | grep -i -m1 'Stepping=' | cut -f6 -w | cut -f2 -d=)
cpu_friendly_name=$(sysctl -n hw.model 2>/dev/null)
fi
# Intel processors have a 3bit Platform ID field in MSR(17H) that specifies the platform type for up to 8 types
# see https://elixir.bootlin.com/linux/v6.0/source/arch/x86/kernel/cpu/microcode/intel.c#L694
# Set it to 8 (impossible value as it is 3 bit long) by default
cpu_platformid=8
if [ "$cpu_vendor" = GenuineIntel ] && [ "$cpu_model" -ge 5 ]; then
read_msr 0x17
ret=$?
if [ $ret = $READ_MSR_RET_OK ]; then
cpu_platformid=$((1 << ((ret_read_msr_value >> 18) & 7)))
fi
fi
if [ -n "${SMC_MOCK_CPU_FRIENDLY_NAME:-}" ]; then
cpu_friendly_name="$SMC_MOCK_CPU_FRIENDLY_NAME"
pr_debug "parse_cpu_details: MOCKING cpu friendly name to $cpu_friendly_name"
g_mocked=1
else
g_mockme=$(printf "%b\n%b" "$g_mockme" "SMC_MOCK_CPU_FRIENDLY_NAME='$cpu_friendly_name'")
fi
if [ -n "${SMC_MOCK_CPU_VENDOR:-}" ]; then
cpu_vendor="$SMC_MOCK_CPU_VENDOR"
pr_debug "parse_cpu_details: MOCKING cpu vendor to $cpu_vendor"
g_mocked=1
else
g_mockme=$(printf "%b\n%b" "$g_mockme" "SMC_MOCK_CPU_VENDOR='$cpu_vendor'")
fi
if [ -n "${SMC_MOCK_CPU_FAMILY:-}" ]; then
cpu_family="$SMC_MOCK_CPU_FAMILY"
pr_debug "parse_cpu_details: MOCKING cpu family to $cpu_family"
g_mocked=1
else
g_mockme=$(printf "%b\n%b" "$g_mockme" "SMC_MOCK_CPU_FAMILY='$cpu_family'")
fi
if [ -n "${SMC_MOCK_CPU_MODEL:-}" ]; then
cpu_model="$SMC_MOCK_CPU_MODEL"
pr_debug "parse_cpu_details: MOCKING cpu model to $cpu_model"
g_mocked=1
else
g_mockme=$(printf "%b\n%b" "$g_mockme" "SMC_MOCK_CPU_MODEL='$cpu_model'")
fi
if [ -n "${SMC_MOCK_CPU_STEPPING:-}" ]; then
cpu_stepping="$SMC_MOCK_CPU_STEPPING"
pr_debug "parse_cpu_details: MOCKING cpu stepping to $cpu_stepping"
g_mocked=1
else
g_mockme=$(printf "%b\n%b" "$g_mockme" "SMC_MOCK_CPU_STEPPING='$cpu_stepping'")
fi
if [ -n "${SMC_MOCK_CPU_PLATFORMID:-}" ]; then
cpu_platformid="$SMC_MOCK_CPU_PLATFORMID"
pr_debug "parse_cpu_details: MOCKING cpu platformid name to $cpu_platformid"
g_mocked=1
else
g_mockme=$(printf "%b\n%b" "$g_mockme" "SMC_MOCK_CPU_PLATFORMID='$cpu_platformid'")
fi
# get raw cpuid, it's always useful (referenced in the Intel doc for firmware updates for example)
if [ "$g_mocked" != 1 ] && read_cpuid 0x1 0x0 $EAX 0 0xFFFFFFFF; then
cpu_cpuid="$ret_read_cpuid_value"
else
# try to build it by ourselves
pr_debug "parse_cpu_details: build the CPUID by ourselves"
cpu_cpuid=$(fms2cpuid "$cpu_family" "$cpu_model" "$cpu_stepping")
fi
# under BSD, linprocfs often doesn't export ucode information, so fetch it ourselves the good old way
if [ -z "$cpu_ucode" ] && [ "$g_os" != Linux ]; then
load_cpuid
if [ -e ${BSD_CPUCTL_DEV_BASE}0 ]; then
# init MSR with NULLs
cpucontrol -m 0x8b=0 ${BSD_CPUCTL_DEV_BASE}0
# call CPUID
cpucontrol -i 1 ${BSD_CPUCTL_DEV_BASE}0 >/dev/null
# read MSR
cpu_ucode=$(cpucontrol -m 0x8b ${BSD_CPUCTL_DEV_BASE}0 | awk '{print $3}')
# convert to decimal
cpu_ucode=$((cpu_ucode))
# convert back to hex
cpu_ucode=$(printf "0x%x" "$cpu_ucode")
fi
fi
# if we got no cpu_ucode (e.g. we're in a vm), fall back to 0x0
: "${cpu_ucode:=0x0}"
# on non-x86 systems (e.g. ARM), these fields may not exist in cpuinfo, fall back to 0
: "${cpu_family:=0}"
: "${cpu_model:=0}"
: "${cpu_stepping:=0}"
if [ -n "${SMC_MOCK_CPU_UCODE:-}" ]; then
cpu_ucode="$SMC_MOCK_CPU_UCODE"
pr_debug "parse_cpu_details: MOCKING cpu ucode to $cpu_ucode"
g_mocked=1
else
g_mockme=$(printf "%b\n%b" "$g_mockme" "SMC_MOCK_CPU_UCODE='$cpu_ucode'")
fi
echo "$cpu_ucode" | grep -q ^0x && cpu_ucode=$((cpu_ucode))
g_ucode_found=$(printf "family 0x%x model 0x%x stepping 0x%x ucode 0x%x cpuid 0x%x pfid 0x%x" \
"$cpu_family" "$cpu_model" "$cpu_stepping" "$cpu_ucode" "$cpu_cpuid" "$cpu_platformid")
# also define those that we will need in other funcs
# taken from https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/include/asm/intel-family.h
# curl -s 'https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/plain/arch/x86/include/asm/intel-family.h' | awk '/#define INTEL_FAM6/ {print $2"=$(( "$3" )) # "$4,$5,$6,$7,$8,$9}' | sed -re 's/ +$//'
# shellcheck disable=SC2034
{
readonly INTEL_FAM6_CORE_YONAH=$((0x0E)) #
readonly INTEL_FAM6_CORE2_MEROM=$((0x0F)) #
readonly INTEL_FAM6_CORE2_MEROM_L=$((0x16)) #
readonly INTEL_FAM6_CORE2_PENRYN=$((0x17)) #
readonly INTEL_FAM6_CORE2_DUNNINGTON=$((0x1D)) #
readonly INTEL_FAM6_NEHALEM=$((0x1E)) #
readonly INTEL_FAM6_NEHALEM_G=$((0x1F)) # /* Auburndale / Havendale */
readonly INTEL_FAM6_NEHALEM_EP=$((0x1A)) #
readonly INTEL_FAM6_NEHALEM_EX=$((0x2E)) #
readonly INTEL_FAM6_WESTMERE=$((0x25)) #
readonly INTEL_FAM6_WESTMERE_EP=$((0x2C)) #
readonly INTEL_FAM6_WESTMERE_EX=$((0x2F)) #
readonly INTEL_FAM6_SANDYBRIDGE=$((0x2A)) #
readonly INTEL_FAM6_SANDYBRIDGE_X=$((0x2D)) #
readonly INTEL_FAM6_IVYBRIDGE=$((0x3A)) #
readonly INTEL_FAM6_IVYBRIDGE_X=$((0x3E)) #
readonly INTEL_FAM6_HASWELL=$((0x3C)) #
readonly INTEL_FAM6_HASWELL_X=$((0x3F)) #
readonly INTEL_FAM6_HASWELL_L=$((0x45)) #
readonly INTEL_FAM6_HASWELL_G=$((0x46)) #
readonly INTEL_FAM6_BROADWELL=$((0x3D)) #
readonly INTEL_FAM6_BROADWELL_G=$((0x47)) #
readonly INTEL_FAM6_BROADWELL_X=$((0x4F)) #
readonly INTEL_FAM6_BROADWELL_D=$((0x56)) #
readonly INTEL_FAM6_SKYLAKE_L=$((0x4E)) # /* Sky Lake */
readonly INTEL_FAM6_SKYLAKE=$((0x5E)) # /* Sky Lake */
readonly INTEL_FAM6_SKYLAKE_X=$((0x55)) # /* Sky Lake */
readonly INTEL_FAM6_KABYLAKE_L=$((0x8E)) # /* Sky Lake */
readonly INTEL_FAM6_KABYLAKE=$((0x9E)) # /* Sky Lake */
readonly INTEL_FAM6_COMETLAKE=$((0xA5)) # /* Sky Lake */
readonly INTEL_FAM6_COMETLAKE_L=$((0xA6)) # /* Sky Lake */
readonly INTEL_FAM6_CANNONLAKE_L=$((0x66)) # /* Palm Cove */
readonly INTEL_FAM6_ICELAKE_X=$((0x6A)) # /* Sunny Cove */
readonly INTEL_FAM6_ICELAKE_D=$((0x6C)) # /* Sunny Cove */
readonly INTEL_FAM6_ICELAKE=$((0x7D)) # /* Sunny Cove */
readonly INTEL_FAM6_ICELAKE_L=$((0x7E)) # /* Sunny Cove */
readonly INTEL_FAM6_ICELAKE_NNPI=$((0x9D)) # /* Sunny Cove */
readonly INTEL_FAM6_LAKEFIELD=$((0x8A)) # /* Sunny Cove / Tremont */
readonly INTEL_FAM6_ROCKETLAKE=$((0xA7)) # /* Cypress Cove */
readonly INTEL_FAM6_TIGERLAKE_L=$((0x8C)) # /* Willow Cove */
readonly INTEL_FAM6_TIGERLAKE=$((0x8D)) # /* Willow Cove */
readonly INTEL_FAM6_SAPPHIRERAPIDS_X=$((0x8F)) # /* Golden Cove */
readonly INTEL_FAM6_ALDERLAKE=$((0x97)) # /* Golden Cove / Gracemont */
readonly INTEL_FAM6_ALDERLAKE_L=$((0x9A)) # /* Golden Cove / Gracemont */
readonly INTEL_FAM6_RAPTORLAKE=$((0xB7)) #
readonly INTEL_FAM6_ATOM_BONNELL=$((0x1C)) # /* Diamondville, Pineview */
readonly INTEL_FAM6_ATOM_BONNELL_MID=$((0x26)) # /* Silverthorne, Lincroft */
readonly INTEL_FAM6_ATOM_SALTWELL=$((0x36)) # /* Cedarview */
readonly INTEL_FAM6_ATOM_SALTWELL_MID=$((0x27)) # /* Penwell */
readonly INTEL_FAM6_ATOM_SALTWELL_TABLET=$((0x35)) # /* Cloverview */
readonly INTEL_FAM6_ATOM_SILVERMONT=$((0x37)) # /* Bay Trail, Valleyview */
readonly INTEL_FAM6_ATOM_SILVERMONT_D=$((0x4D)) # /* Avaton, Rangely */
readonly INTEL_FAM6_ATOM_SILVERMONT_MID=$((0x4A)) # /* Merriefield */
readonly INTEL_FAM6_ATOM_AIRMONT=$((0x4C)) # /* Cherry Trail, Braswell */
readonly INTEL_FAM6_ATOM_AIRMONT_MID=$((0x5A)) # /* Moorefield */
readonly INTEL_FAM6_ATOM_AIRMONT_NP=$((0x75)) # /* Lightning Mountain */
readonly INTEL_FAM6_ATOM_GOLDMONT=$((0x5C)) # /* Apollo Lake */
readonly INTEL_FAM6_ATOM_GOLDMONT_D=$((0x5F)) # /* Denverton */
readonly INTEL_FAM6_ATOM_GOLDMONT_PLUS=$((0x7A)) # /* Gemini Lake */
readonly INTEL_FAM6_ATOM_TREMONT_D=$((0x86)) # /* Jacobsville */
readonly INTEL_FAM6_ATOM_TREMONT=$((0x96)) # /* Elkhart Lake */
readonly INTEL_FAM6_ATOM_TREMONT_L=$((0x9C)) # /* Jasper Lake */
readonly INTEL_FAM6_XEON_PHI_KNL=$((0x57)) # /* Knights Landing */
readonly INTEL_FAM6_XEON_PHI_KNM=$((0x85)) # /* Knights Mill */
}
g_parse_cpu_details_done=1
}
# Check whether the CPU vendor is Hygon
# Returns: 0 if Hygon, 1 otherwise