mirror of
https://github.com/anrieff/libcpuid
synced 2024-11-10 22:59:13 +00:00
47 lines
1.7 KiB
Bash
Executable file
47 lines
1.7 KiB
Bash
Executable file
#!/bin/bash
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# This script extracts some data from Arm Architecture Reference Manual PDF file
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# PDF file can be downloaded here: https://developer.arm.com/documentation/ddi0487/latest/
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print_help() {
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echo "$(basename "$0") PDF_FILE"
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echo -e "\n\033[1mPDF_FILE:\033[0m Arm Architecture Reference Manual PDF file"
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}
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if [[ $# -lt 1 ]]; then
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print_help
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exit 1
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fi
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PDF_FILE="$1"
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TMP_DIR="$(mktemp -d -t libcpuid.XXXXXX)"
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TMP_LIBCPUID_H="$TMP_DIR/cpu_feature.h"
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TMP_CPUID_MAIN_C="$TMP_DIR/matchtable.c"
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echo "typedef enum {" > "$TMP_LIBCPUID_H"
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echo " matchtable[] = {" > "$TMP_CPUID_MAIN_C"
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IFS='
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'
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for line in $(pdfgrep --cache -e 'A[0-9]+\.[0-9]+\.[0-9]+\s+The Armv[0-9]\.[0-9] architecture extension' -e ' FEAT_[a-zA-Z0-9_]+, ' "$PDF_FILE"); do
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if [[ "$line" == "A"* ]]; then
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echo "$line"
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echo -e "\t/* $line */" >> "$TMP_LIBCPUID_H"
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echo -e "\t\t/* $line */" >> "$TMP_CPUID_MAIN_C"
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elif [[ "$line" == " FEAT_"* ]]; then
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feat="$(echo "$line" | awk '{ print $1 }' | cut -d, -f1)"
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#pdfgrep --cache "$feat implements the functionality identified by the value" "$PDF_FILE"
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feat_upper="${feat^^}"
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feat_lower="${feat,,}"
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feat_enum="${feat_upper/FEAT_/CPU_FEATURE_}"
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feat_name="$(echo $feat_lower | cut -d_ -f2-)"
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feat_descr="$(echo "$line" | cut -d, -f2-)"
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echo -e "\t$feat_enum, /*!< ARM:$feat_descr */" >> "$TMP_LIBCPUID_H"
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echo -e "\t\t{ $feat_enum, \"$feat_name\" }," >> "$TMP_CPUID_MAIN_C"
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fi
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done
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echo "} cpu_feature_t;" >> "$TMP_LIBCPUID_H"
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echo " };" >> "$TMP_CPUID_MAIN_C"
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echo "Extracted data for enum cpu_feature_t written to '$TMP_LIBCPUID_H' file."
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echo "Extracted data for cpu_feature_str() matchtable written to '$TMP_CPUID_MAIN_C' file."
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