[ECOS] How to handle it???

zheng wujun wj_zheng10@hotmail.com
Thu Dec 4 04:43:00 GMT 2003


I checked out and findthere is no CYGSEM_HAL_VIRTUAL_VECTOR_INHERIT_CONSOLE 
macro define in my  hal.hXXXX_install/include/pkgconf/hal.h. why?






>From: RandyLin@mxic.com.tw
>To: ecos-discuss@sources.redhat.com
>CC: wj_zheng10@hotmail.com
>Subject: RE: [ECOS] How to handle it???
>Date: Thu, 4 Dec 2003 11:32:48 +0800
>
>
>Can you check your project directory XXXX_install/include/pkgconf/hal.h
>There should be
>=======================
>#define CYGSEM_HAL_VIRTUAL_VECTOR_INHERIT_CONSOLE 1
>=======================
>if not, maybe that's the problem.
>I think your output is encode by mangler.
>and gdb know the format, and works fine.
>but hyperteminal know nothing about it, so ugly string output.
>
>
>
>
>                       "zheng wujun"
>                       <wj_zheng10@hotmail.com>           ¦¬¥ó¤H¡G 
>RandyLin@mxic.com.tw
>                       ±H¥ó¤H¡G                           °Æ¥»§Û°e¡G     
>ecos-discuss@sources.redhat.com
>                       ecos-discuss-owner@sources         ¥D¦®¡G   RE: 
>[ECOS] How to handle it???
>                       .redhat.com
>
>
>                       2003/12/04 11:10 AM
>
>
>
>
>
>
>
>
> >From: RandyLin@mxic.com.tw
> >To: ecos-discuss@sources.redhat.com
> >CC: wj_zheng10@hotmail.com
> >Subject: RE: [ECOS] How to handle it???
> >Date: Wed, 3 Dec 2003 17:16:43 +0800
> >
> >
> >It's nice to hear that you can use gdb to run the ap:)
> >your mlt_arm_snds_ram.ldi and mlt_arm_snds_rom.ldi seems fine.
> >I add the following to hal_arm_snds.cdl, copy from hal_arm_at91.cdl
> >==================================
> >+    cdl_option CYGSEM_HAL_USE_ROM_MONITOR {
> >+         display       "Work with a ROM monitor"
> >+         flavor        booldata
> >+         legal_values  { "Generic" "GDB_stubs" }
> >+         default_value { CYG_HAL_STARTUP == "RAM" ? "GDB_stubs" : 0 }
> >+         parent        CYGPKG_HAL_ROM_MONITOR
> >+         requires      { CYG_HAL_STARTUP == "RAM" }
> >+         description   "
> >+             Support can be enabled for different varieties of ROM
> >monitor.
> >+             This support changes various eCos semantics such as the
> >encoding
> >+             of diagnostic output, or the overriding of hardware
>interrupt
> >+             vectors.
> >+             Firstly there is \"Generic\" support which prevents the HAL
> >+             from overriding the hardware vectors that it does not use,
>to
> >+             instead allow an installed ROM monitor to handle them. This
> >is
> >+             the most basic support which is likely to be common to most
> >+             implementations of ROM monitor.
> >+             \"GDB_stubs\" provides support when GDB stubs are included
>in
> >+             the ROM monitor or boot ROM."
> >+     }
> >====================================
> >and add the following to redboot_ROM.ecm,
> >========================
> >+cdl_option CYGSEM_HAL_USE_ROM_MONITOR {
> >+    inferred_value 0 0
> >+};
> >========================
> >maybe you should recompile the redboot[ROM], and ap[RAM]
> >then try again,good luck....^^
> >
> >
> >
> >Thanks RandyLin:
> >
> >here is my mlt_arm_snds_rom.ldi and mlt_arm_snds_ram.ldi which you want 
>to
> >see:
> >
> >mlt_arm_snds_ram.ldi:
> >
> >#include <cyg/infra/cyg_type.inc>
> >
> >MEMORY
> >{
> >     ram : ORIGIN = 0x000000, LENGTH = 0x01000000
> >}
> >
> >SECTIONS
> >{
> >     SECTIONS_BEGIN
> >     SECTION_fixed_vectors (ram, 0x20, LMA_EQ_VMA)
> >     SECTION_rom_vectors (ram, 0x50000, LMA_EQ_VMA)
> >     SECTION_text (ram, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_fini (ram, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_rodata (ram, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_rodata1 (ram, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_fixup (ram, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_gcc_except_table (ram, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_data (ram, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_bss (ram, ALIGN (0x4), LMA_EQ_VMA)
> >     CYG_LABEL_DEFN(__heap1) = ALIGN (0x8);
> >     SECTIONS_END
> >}
> >
> >and  mlt_arm_snds_rom.ldi:
> >
> >#include <cyg/infra/cyg_type.inc>
> >
> >MEMORY
> >{
> >     ram : ORIGIN = 0, LENGTH = 0x1000000
> >     rom : ORIGIN = 0x1800000, LENGTH = 0x80000
> >}
> >
> >SECTIONS
> >{
> >     SECTIONS_BEGIN
> >     SECTION_rom_vectors (rom, 0x1800000, LMA_EQ_VMA)
> >     SECTION_text (rom, ALIGN (0x1), LMA_EQ_VMA)
> >     SECTION_fini (rom, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_rodata (rom, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_rodata1 (rom, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_fixup (rom, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_gcc_except_table (rom, ALIGN (0x4), LMA_EQ_VMA)
> >     SECTION_fixed_vectors (ram, 0x20, LMA_EQ_VMA)
> >     SECTION_data (ram, 0x20000, FOLLOWING (.gcc_except_table))
> >     SECTION_bss (ram, ALIGN (0x4), LMA_EQ_VMA)
> >     CYG_LABEL_DEFN(__heap1) = ALIGN (0x8);
> >     SECTIONS_END
> >}
> >
> >I did as you said(Only modified ROM and RAM config as above ),and using
>GDB
> >
> >can load app and app works perfectly fine.But when loading app using
> >redboot
> >commands "load -m xmodem"("load -m tftp" is same),and using "go" to
>execute
> >
> >app,redboot still will display strange string as
> >
> >"$T0a0f:86000000;0d:80060200;#17$T0a0f:86000000;0d:80060200;
> >#17$T0a0f:86000000;0d:80060"
> >
> >Even if added the macro "CYGSEM_HAL_USE_ROM_MONITOR" in file
> >hal_arm_snds.cdl,the result were same.What is your detail steps in your
> >successful executing app under redboot commands?
> >
> >Thanks lot!
> >
> >zheng
> >
> >
> >
> >
> > >From: RandyLin@mxic.com.tw
> > >To: ecos-discuss@sources.redhat.com
> > >CC: wj_zheng10@hotmail.com
> > >Subject: [ECOS] How to handle it???
> > >Date: Wed, 3 Dec 2003 10:05:08 +0800
> > >
> > >
> > >Can you use "load -m ymodem" or "load -m xmodem" to load ap??
> > >I saw your mlt_arm_snds_rom.ldi and mlt_arm_snds_ram.ldi....it may be
> > >wrong...
> > >I assume your redboot is ROM mode, so  redboot's data section is at
> >0x20000
> > >when u use arm-elf-gdb to load ap(RAM mode), it overwrite the redboot's
> > >data section,
> > >because your mlt_arm_snds_ram.ldi locate the rom_vectors and following
> > >section to 0x20000
> > >so that's why u got the "Ignoring packet error,  continuing..",
> > >I modify the SECTION_rom_vectors (ram, 0x00050000, LMA_EQ_VMA) in
> > >mlt_arm_snds_ram.ldi
> > >"-r" option is for binary data, your ap is elf format, don't use "-r"
> > >can u post the whole mlt_arm_snds_rom.ldi?
> > >I don't know why you got the message "0x20000 which is not in RAM"
> > >wish this help.
> > >
> > >
> > >
> > >
> > >Thanks RandyLin:
> > >        Now my redboot can work,and I can use redboot command "load
> > >......-m
> > >
> > >tftp....."to download app to snds board.
> > >        Howerer, if not using -r option,the error as displayed "
>***Abort!
> > >Attempt to load ELF data to address: 0x00020000 which is not in RAM".
> > >        If using  -r option,app looks like to be downloaded
>correctly,but
> > >the
> > >display is "Raw file loaded 0x00300000-0x003c6116, assumed entry at
> > >0x00300000",and then if  using redboot command "go 0x00300000" to
>execute
> > >the app,the redboot will display some strange strings as
> > >"
> > >$T0a0f:86000000;0d:80060200;#17$T0a0f:86000000;0d:80060200;
> > >#17$T0a0f:8600"on
> > >console.
> > >
> > >to above,the config is SECTION_fixed_vectors (ram, 0x20, LMA_EQ_VMA)
> >and
> > >SECTION_rom_vectors (ram, 0x20000, LMA_EQ_VMA) in file
> >mlt_arm_snds_ram.ldi
> > >
> > >and  SECTION_fixed_vectors (ram, 0x20, LMA_EQ_VMA)  and  SECTION_data
> >(ram,
> > >
> > >0x20000, FOLLOWING (.gcc_except_table)) in mlt_arm_snds_rom.ldi
> > >
> > >If using arm-elf-gdb to download app,the steps is as following:
> > >1 [root@zheng root]#arm-elf-gdb
> > >2(gdb) target remote /dev/ttyS0
> > >Remote debugging using /dev/ttyS0
> > >0x01804b30 in ?? ()
> > >(gdb) load /tftpboot/hello
> > >Loading section .rom_vectors, size 0x40 lma 0x20000
> > >Loading section .text, size 0xfe00 lma 0x20040
> > >Ignoring packet error, continuing...
> > >Ignoring packet error, continuing...
> > >Ignoring packet error, continuing...
> > >
> > >and gdb use the same serial line as the hyperspatial,the baudrate is
> >38400.
> > >
> > >
> > >Why did these error happen?Can some one have good idea to handle it?
> > >
> > >Thanks a lot!
> > >
> > >_________________________________________________________________
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> > >
> > >--
> > >Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
> > >and search the list archive: http://sources.redhat.com/ml/ecos-discuss
> > >
> > >
> > >
> > >
> > >
> > >
>hi,RandyLin:
>I don't know if you had done some other steps or made some other
>modification,but I did as what you had said,it seems no use.why?
>
>Thanks lot!
>
>zheng
>
> > >
> > >--
> > >Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
> > >and search the list archive: http://sources.redhat.com/ml/ecos-discuss
> > >
> >
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> >
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