2017-07-20 11:48 GMT+02:00 Sebastian Huber < sebastian.hu...@embedded-brains.de>:
> On 20/07/17 11:34, Denis Obrezkov wrote: > > 2017-07-18 14:10 GMT+02:00 Joel Sherrill <joel.sherr...@gmail.com <mailto: >> joel.sherr...@gmail.com>>: >> >> I am not near a computer to check but is there a section in the >> Configuring a System chapter with a low memory example? I know the >> individual options are documented but an example configuration >> with the safer ones to use might help users. >> >> Could you point me to the documentation with the Configuration a System >> chapter? >> > > For real low memory systems we need self-contained objects and a static > initialization. > > https://lists.rtems.org/pipermail/devel/2017-February/016874.html > > For threads we can use something like this: > > struct my_thread { > Thread_Control thread; > char space_for_thread_control_addons_and_tls_and_stack[N]; > } a; > > SYSINIT_THREAD(&a, sizeof(a)); > > If sizeof(a) is too small, then issue a fatal error. > > -- > Sebastian Huber, embedded brains GmbH > > Address : Dornierstr. 4, D-82178 Puchheim, Germany > Phone : +49 89 189 47 41-16 > Fax : +49 89 189 47 41-09 > E-Mail : sebastian.hu...@embedded-brains.de > PGP : Public key available on request. > > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG. > > I also have a mistake, it happens I think due to memory corruption: #0 rtems_heap_allocate_aligned_with_boundary (size=541091836, alignment=2147499792, boundary=0) at /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/libcsupport/src/malloc_deferred.c:59 #1 0x20417656 in malloc (size=32) at /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/libcsupport/src/malloc.c:39 #2 0x20417052 in calloc (nelem=1, elsize=32) at /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/libcsupport/src/calloc.c:34 #3 0x20401296 in rtems_termios_device_install (device_file=0x2041fe20 "/dev/console", handler=0x2041fe30 <fe310_uart_handler_polled>, flow=0x0, context=0x80000060 <driver_context>) at /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/libcsupport/src/termios.c:139 #4 0x2040091e in console_initialize (major=0, minor=0, arg=0x0) at /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/lib/libbsp/riscv32/hifive1/console/fe310-uart.c:49 #5 0x20419632 in rtems_io_initialize (major=0, minor=0, argument=0x0) at /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/sapi/src/ioinitialize.c:36 #6 0x2040893e in _IO_Initialize_all_drivers () at /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/sapi/src/io.c:33 #7 0x204088e2 in rtems_initialize_executive () at /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/../../cpukit/sapi/src/exinit.c:95 #8 0x2040045a in boot_card (cmdline=0x0) at /home/reprofy/Projects/riscv/rtems/development/rtems/kernel/rtems-riscv/c/src/lib/libbsp/riscv32/hifive1/../../shared/bootcard.c:76 #9 0xffffd270 in ?? () -- Regards, Denis Obrezkov
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