18c2ecf20Sopenharmony_ciTest the nx-gzip function: 28c2ecf20Sopenharmony_ci========================= 38c2ecf20Sopenharmony_ci 48c2ecf20Sopenharmony_ciVerify that following device exists: 58c2ecf20Sopenharmony_ci /dev/crypto/nx-gzip 68c2ecf20Sopenharmony_ciIf you get a permission error run as sudo or set the device permissions: 78c2ecf20Sopenharmony_ci sudo chmod go+rw /dev/crypto/nx-gzip 88c2ecf20Sopenharmony_ciHowever, chmod may not survive across boots. You may create a udev file such 98c2ecf20Sopenharmony_cias: 108c2ecf20Sopenharmony_ci /etc/udev/rules.d/99-nx-gzip.rules 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciTo manually build and run: 148c2ecf20Sopenharmony_ci$ gcc -O3 -I./include -o gzfht_test gzfht_test.c gzip_vas.c 158c2ecf20Sopenharmony_ci$ gcc -O3 -I./include -o gunz_test gunz_test.c gzip_vas.c 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ciCompress any file using Fixed Huffman mode. Output will have a .nx.gz suffix: 198c2ecf20Sopenharmony_ci$ ./gzfht_test gzip_vas.c 208c2ecf20Sopenharmony_cifile gzip_vas.c read, 6413 bytes 218c2ecf20Sopenharmony_cicompressed 6413 to 3124 bytes total, crc32 checksum = abd15e8a 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ciUncompress the previous output. Output will have a .nx.gunzip suffix: 258c2ecf20Sopenharmony_ci./gunz_test gzip_vas.c.nx.gz 268c2ecf20Sopenharmony_cigzHeader FLG 0 278c2ecf20Sopenharmony_ci00 00 00 00 04 03 288c2ecf20Sopenharmony_cigzHeader MTIME, XFL, OS ignored 298c2ecf20Sopenharmony_cicomputed checksum abd15e8a isize 0000190d 308c2ecf20Sopenharmony_cistored checksum abd15e8a isize 0000190d 318c2ecf20Sopenharmony_cidecomp is complete: fclose 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ciCompare two files: 358c2ecf20Sopenharmony_ci$ sha1sum gzip_vas.c.nx.gz.nx.gunzip gzip_vas.c 368c2ecf20Sopenharmony_cibf43e3c0c3651f5f22b6f9784cd9b1eeab4120b6 gzip_vas.c.nx.gz.nx.gunzip 378c2ecf20Sopenharmony_cibf43e3c0c3651f5f22b6f9784cd9b1eeab4120b6 gzip_vas.c 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_ciNote that the code here are intended for testing the nx-gzip hardware function. 418c2ecf20Sopenharmony_ciThey are not intended for demonstrating performance or compression ratio. 428c2ecf20Sopenharmony_ciBy being simplistic these selftests expect to allocate the entire set of source 438c2ecf20Sopenharmony_ciand target pages in the memory so it needs enough memory to work. 448c2ecf20Sopenharmony_ciFor more information and source code consider using: 458c2ecf20Sopenharmony_cihttps://github.com/libnxz/power-gzip 46