On Mon, Jul 17, 2017 at 1:16 PM, Denis Obrezkov <denisobrez...@gmail.com> wrote: > 2017-07-17 19:03 GMT+02:00 Joel Sherrill <joel.sherr...@gmail.com>: >> >> Take some of the ideas from low ticker and apply them to hello world. Use >> printk for one and unified workspace as a starter. You can switch to the >> simple scheduler and save a few K >> >> There is also a configure option about the init task being the idle >> thread. Try that last. >> >> What's your default stack size? >> >> On Jul 17, 2017 5:59 PM, "Gedare Bloom" <ged...@rtems.org> wrote: >>> >>> See if you can produce a further stripped down version of hello world, >>> although I'm not sure there is much else that can be removed... >>> >>> Maybe some more tweaking needs to be done to the CPU specific feature >>> macros in cpukit/score/cpu/riscv/rtems/score/cpu.h and similar? >>> >>> What does riscv-rtems4.12-size report about your executable? >>> >>> Gedare >>> >>> On Mon, Jul 17, 2017 at 11:31 AM, Denis Obrezkov >>> <denisobrez...@gmail.com> wrote: >>> > I have some bad and good news. >>> > First of all, I was able to receive a message from hello example: >>> > Fatal Error 0.2 Halted >>> > So, uart now works (transmitting), but hello application complains that >>> > there is not >>> > enough workspace. >>> > >>> > Low ticker example, doesn't work neither, and hangs during clock >>> > initialization >>> > routine. >>> > >>> > -- >>> > Regards, Denis Obrezkov >>> > >>> > _______________________________________________ >>> > devel mailing list >>> > devel@rtems.org >>> > http://lists.rtems.org/mailman/listinfo/devel >>> _______________________________________________ >>> devel mailing list >>> devel@rtems.org >>> http://lists.rtems.org/mailman/listinfo/devel > > > Yes, I copied some options from low ticker example, and now Hello World > outputs: > Hello World, oh almost forgot, from RISC-V port ;)
May be worth adding this as a variant of hello in examples-v2. > Fatal Error 5.0 Halted > > The last error occurs exiting: > 0x20402396 in _Terminate (the_source=RTEMS_FATAL_SOURCE_EXIT, the_error=0) > at > /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/score/src/interr.c:44 > 44 _CPU_Fatal_halt( the_source, the_error ); > (gdb) i s > #0 0x20402396 in _Terminate (the_source=RTEMS_FATAL_SOURCE_EXIT, > the_error=0) > at > /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/score/src/interr.c:44 > #1 0x20419198 in rtems_shutdown_executive (result=0) at > /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/sapi/src/exshutdown.c:21 > #2 0x20412828 in _exit (status=0) at > /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/libcsupport/src/newlibc_exit.c:42 > #3 0x20411b1c in exit (code=0) at > ../../../../../gcc-7.1.0/newlib/libc/stdlib/exit.c:69 > #4 0x204003c2 in Init (ignored=2147486792) at > /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../testsuites/samples/hello/init.c:36 > #5 0x20407128 in _Thread_Entry_adaptor_numeric (executing=0x80001588) > at > /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/score/src/threadentryadaptornumeric.c:25 > #6 0x20410056 in _Thread_Handler () at > /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/score/src/threadhandler.c:73 > #7 0x2040fff4 in _User_extensions_Thread_exitted (executing=0x80001588) at > ../../cpukit/../../../hifive1/lib/include/rtems/score/userextimpl.h:298 > > And it seems that it's ok. > > I had to use printk version - I haven't implemented general console > initialization. > > Now, I want to implement console initialization and make the external 16 MHz > oscillator be > default, because it's more precise and stable (it is easier to calculate the > baudrate divider value). > > -- > Regards, Denis Obrezkov _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
