Building with Makeifle Assuming the BSP is the sparc erc32 BSP in: /home/charles/quick-start/rtems/5/sparc-rtems5/erc32/ Set up environment variuables export RTEMS_MAKEFILE_PATH=/home/charles/quick-start/rtems/5/sparc-rtems5/erc32/ export PATH=/home/charles/quick-start/rtems/5/bin/:$PATH Now we can build and install the Yaffs library: $cd /opt/y/git/yaffs2/rtems $make -f Makefile.rtems clean $make -f Makefile.rtems all output is build-erc32/libyaffs2.a $make -f Makefile.rtems install mkdir -p /home/charles/quick-start/rtems/5/sparc-rtems5/erc32/lib/include/yaffs install -m 644 build-erc32/libyaffs2.a /home/charles/quick-start/rtems/5/sparc-rtems5/erc32/lib install -m 644 rtems_yaffs.h yportenv.h ydirectenv.h yaffs_osglue.h yaffs_hweight.h yaffscfg.h yaffs_list.h yaffsfs.h yaffs_guts.h yaffs_packedtags2.h yaffs_ecc.h /home/charles/quick-start/rtems/5/sparc-rtems5/erc32/lib/include/yaffs Building test application $ cd rtems-y-test/basic-test $ make $ sparc-rtems5-sis o-optimize/yaffs-rtems-test.exe SIS - SPARC/RISCV instruction simulator 2.20, copyright Jiri Gaisler 2019 Bug-reports to jiri@gaisler.se ERC32 emulation enabled Loaded o-optimize/yaffs-rtems-test.exe, entry 0x02000000 sis> go resuming at 0x02000000 Starting Created simulated flash device 0x2d203c8 yaffs: 0 blocks to be sorted... .... Running with GDB Open a second terminal to run sis in gdb mode $ sparc-rtems5-sis -gdb SIS - SPARC/RISCV instruction simulator 2.20, copyright Jiri Gaisler 2019 Bug-reports to jiri@gaisler.se ERC32 emulation enabled gdb: listening on port 1234 connected X2000000,0:#40 *** HELLO WORLD TEST *** Hello World 123 *** END OF HELLO WORLD TEST *** *** FATAL *** fatal source: 5 (RTEMS_FATAL_SOURCE_EXIT) fatal code: 0 (0x00000000) RTEMS version: 5.0.0.e22554535796fc29a7ed7c5e2338128e324a621d-modified RTEMS tools: 7.5.0 20191114 (RTEMS 5, RSB 5 (599c4d7c87fa), Newlib d14714c69) executing thread ID: 0x08a010001 executing thread name: UI1 From other window use gdb $ sparc-rtems5-gdb hello.exe GNU gdb (GDB) 8.3 Copyright (C) 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "--host=x86_64-linux-gnu --target=sparc-rtems5". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from hello.exe... (gdb) target remote :1234 :1234: Connection timed out. (gdb) target remote :1234 Remote debugging using :1234 0x00000000 in ?? () (gdb) load Loading section .text, size 0x12880 lma 0x2000000 Loading section .rtemsroset, size 0x40 lma 0x2012880 Loading section .data, size 0x530 lma 0x20138c0 Start address 0x2000000, load size 77296 Transfer rate: 2434 KB/sec, 270 bytes/write. (gdb) c Continuing. Program received signal SIGTERM, Terminated. syscall () at /home/charles/quick-start/src/rtems/c/src/../../cpukit/score/cpu/sparc/syscall.S:44 44 ta 0 ! syscall 1, halt with %g1,%g2,%g3 info (gdb)