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Fwd: Re: Memory segments
- From: Federico Dios Vila <fdiosv at yahoo dot es>
- To: ecos-discuss at sources dot redhat dot com
- Date: Sun, 23 Jan 2005 11:30:01 +0100 (CET)
- Subject: [ECOS] Fwd: Re: [ECOS] Memory segments
> --- Wolfram Kattanek <wolfram.kattanek@imms.de>
> escribió:
> > On Thu, Jan 20, 2005 at 10:00:58AM +0100, Federico
> > Dios Vila wrote:
> >
> > > ...
> > >
> >
>
/ecos-d/software/eCos_SDK/H-i686-pc-cygwin/bin/../lib/gcc-lib/arm-
> > > elf/3.3.2/../../../../arm-elf/bin/ld: address
> > 0x20f14
> > > of bin/sirf_demo.outsection .bss is not within
> > region int_sram
> > > collect2: ld returned 1 exit status
> > > make: *** [sirf_demo.out] Error 1
> > > make: Target `all' not remade because of errors.
> >
>
>--------------------------------------------------------------------------------
> > >I think my problem is during configuration of my
> > eCos
> > > properties. I'd like toknow what values (and
> how)
> > do I need to change in
> > > order to avoid this memoryproblem.
> > >Thanks in advance.
> > >Federico Dios Vila
> >
> > In general I think you have to give us some more
> > details regarding
> > your configuration (e.g. RAM or ROM startup). I
> > suppose that your
> > particular platform offers a configuration option
> > for selecting
> > either internal or external SRAM for your .data
> and
> > .bss sections.
> > Look inside your ecos.ecc for CYGHWR_MEMORY_LAYOUT
> > and check the
> > CDL options in that area of your configuration
> file.
> >
> > Wolfram
> > --
> > Wolfram 'L.A.' Kattanek Institut fuer
> > Mikroelektronik- und
> > Email: LA@imms.de Mechatronik-Systeme
> > (IMMS) gGmbH
> > Tel: +49 3677 / 6955-44 Ehrenbergstr. 27
> > Fax: +49 3677 / 6955-15 98693 Ilmenau /
> Germany
> >
> > --
> > Before posting, please read the FAQ:
> > http://ecos.sourceware.org/fom/ecos
> > and search the list archive:
> > http://ecos.sourceware.org/ml/ecos-discuss
> >
> >
>
This is my memory layout from my ecc file.
I guess I have misconfigured this in some way and
that's my problem. Both .bss and .data sections are
configured to be in the int_sram, but I really get
confused with the starting address param. The data
section starts in 0x1000 while the bss section
starts in ALIGN(0x4). I'm not sure what that value
means.....
I'm completely lost.
> # <
> # Memory layout
> #
> cdl_component CYGHWR_MEMORY_LAYOUT {
> # Calculated value: "mlt_arm_stepp"
> # Flavor: data
> # Current_value: mlt_arm_stepp
> };
>
> # >
> # Start address of the internal ram, usable by the
> application
> #
> #
> cdl_option CYGHWR_HAL_ARM_STEPP_INT_RAM_APPL_ORIGIN
> {
> # Flavor: data
> # No user value, uncomment the following line to
> provide one.
> # user_value "ALIGN (0x4)"
> # value_source default
> # Default value: (CYG_HAL_STARTUP == "ROM") ?
> "ALIGN (0x4)" : 0x6900
> # CYG_HAL_STARTUP == ROM
> # --> "ALIGN (0x4)"
> };
>
> # Memory segment for .text section
> #
> #
> cdl_option CYGHWR_HAL_ARM_STEPP_TEXT_MEM {
> # Flavor: data
> # No user value, uncomment the following line to
> provide one.
> # user_value ext_flash
> # value_source default
> # Default value: CYGPKG_REDBOOT ?
> (CYG_HAL_STARTUP == "ROM") ? "ext_flash" :
> "ext_sram"
> : (CYG_HAL_STARTUP == "ROM") ? "ext_flash" :
> "ext_sram"
> # CYGPKG_REDBOOT (unknown) == 0
> # CYG_HAL_STARTUP == ROM
> # CYG_HAL_STARTUP == ROM
> # --> ext_flash
> # Legal values: "int_sram" "ext_flash"
> "ext_sram"
> (CYGHWR_HAL_ARM_STEPP_VARIANT == "S2SDK") ?
> "ext_slow_sram" : ""
> # CYGHWR_HAL_ARM_STEPP_VARIANT == STEPP
> };
>
> # Start address for .text section
> #
> #
> cdl_option CYGHWR_HAL_ARM_STEPP_TEXT_ORIGIN {
> # Flavor: data
> # No user value, uncomment the following line to
> provide one.
> # user_value 0x40000000
> # value_source default
> # Default value: CYGPKG_REDBOOT ?
> (CYG_HAL_STARTUP == "ROM") ?
> (CYG_HAL_STARTUP_MEMORYAREA == "0") ? 0x40000000 :
> 0x40040000 : 0x41000000 : (CYG_HAL_STARTUP ==
> "ROM")
> ? (CYG_HAL_STARTUP_MEMORYAREA == "0") ? 0x40000000
> :
> 0x40040000 : 0x41000000
> # CYGPKG_REDBOOT (unknown) == 0
> # CYG_HAL_STARTUP == ROM
> # CYG_HAL_STARTUP_MEMORYAREA == 0
> # CYG_HAL_STARTUP == ROM
> # CYG_HAL_STARTUP_MEMORYAREA == 0
> # --> 0x40000000
> };
>
> # Memory segment for .data section
> #
> #
> cdl_option CYGHWR_HAL_ARM_STEPP_DATA_MEM {
> # Flavor: data
> user_value int_sram
> # value_source user
> # Default value: CYGPKG_REDBOOT ?
> (CYG_HAL_STARTUP == "ROM") ? "int_sram" :
> "ext_sram"
> : "ext_sram"
> # CYGPKG_REDBOOT (unknown) == 0
> # CYG_HAL_STARTUP == ROM
> # --> ext_sram
> # Legal values: "int_sram" "ext_sram"
> (CYGHWR_HAL_ARM_STEPP_VARIANT == "S2SDK") ?
> "ext_slow_sram" : ""
> # CYGHWR_HAL_ARM_STEPP_VARIANT == STEPP
> };
>
> # Start address for .data section
> #
> #
> cdl_option CYGHWR_HAL_ARM_STEPP_DATA_ORIGIN {
> # Flavor: data
> user_value 0x1000
> # value_source user
> # Default value: CYGPKG_REDBOOT ?
> (CYG_HAL_STARTUP == "ROM") ? 0x1000 : "ALIGN (0x4)"
>
> : (CYG_HAL_STARTUP == "ROM") ? 0x41000000 : "ALIGN
> (0x4)"
> # CYGPKG_REDBOOT (unknown) == 0
> # CYG_HAL_STARTUP == ROM
> # CYG_HAL_STARTUP == ROM
> # --> 0x41000000
> };
>
> # Memory segment for .bss section
> #
> #
> cdl_option CYGHWR_HAL_ARM_STEPP_BSS_MEM {
> # Flavor: data
> user_value int_sram
> # value_source user
> # Default value: CYGPKG_REDBOOT ?
> (CYG_HAL_STARTUP == "ROM") ? "int_sram" :
> "ext_sram"
> : "ext_sram"
> # CYGPKG_REDBOOT (unknown) == 0
> # CYG_HAL_STARTUP == ROM
> # --> ext_sram
> # Legal values: "int_sram" "ext_sram"
> (CYGHWR_HAL_ARM_STEPP_VARIANT == "S2SDK") ?
> "ext_slow_sram" : ""
> # CYGHWR_HAL_ARM_STEPP_VARIANT == STEPP
> };
>
> # Start address for .bss section
> #
> #
> cdl_option CYGHWR_HAL_ARM_STEPP_BSS_ORIGIN {
> # Flavor: data
> user_value "ALIGN (0x4)"
> # value_source user
> # Default value: "ALIGN (0x4)"
> };
>
> # Memory layout linker script fragment
> #
> cdl_option CYGHWR_MEMORY_LAYOUT_LDI {
> # Calculated value:
> "<pkgconf/mlt_arm_stepp.ldi>"
>
> # Flavor: data
> # Current_value: <pkgconf/mlt_arm_stepp.ldi>
> };
>
> # Memory layout header file
> #
> cdl_option CYGHWR_MEMORY_LAYOUT_H {
> # Calculated value: "<pkgconf/mlt_arm_stepp.h>"
>
> # Flavor: data
> # Current_value: <pkgconf/mlt_arm_stepp.h>
> };
>
>
>
>
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