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Re: HELP with target.ld file syntax...SOLUTION


Added ram2 to the MEMORY in my target.ld:

 MEMORY
{
    ram  : ORIGIN = 0x0000000,   LENGTH = 0x800000
    ram1 : ORIGIN = 0x0000000,   LENGTH = 0x800000
    ram2 : ORIGIN = 0x80000000,  LENGTH = 0x800000
}

and my usb_buffs to my SECTIONS

SECTIONS
{
...
...
...
    .fixed_vectors 0x20 : { . = .; KEEP (*(.fixed_vectors)) } > ram1
    .usb_buff 0x80000000 : { . = .; KEEP (*(.usb_buff)) } > ram2
...
...
...
}

the attribute Gregoire mentioned to my C file:

uchar    ECHO_ENDPOINT_BUFFER_1[1000] __attribute__((section(".usb_buff")));
uchar    ECHO_ENDPOINT_BUFFER_2[1000] __attribute__((section(".usb_buff")));
uchar    ECHO_ENDPOINT_RECV_BUFFER[1000] __attribute__((section(".usb_buff")));

and now my map file reads:

.usb_buff       0x80000000      0xbb8
                0x80000000                . = .
 *(.usb_buff)
 .usb_buff      0x80000000      0xbb8 myFile.o
                0x80000000                ECHO_ENDPOINT_BUFFER_1
                0x800003e8                ECHO_ENDPOINT_BUFFER_2
                0x800007d0                ECHO_ENDPOINT_RECV_BUFFER

Perfect...(before testing :)

Thanks

Leo

 --- Gregoire ETIENNE <etiennegr@hotmail.com> wrote: > well, in you'r position,
I would declare that these buffer belong to a
> custom section with the __attribute__ keyword
> 
> uchar    ECHO_ENDPOINT_BUFFER_1[1000]
> __attribute__((section(".zone_name")));
> 
> This will creat a section .zone_name with ECHO_ENDPOINT_BUFFER_1 in it
> once the section appears in your map file, adapt your target.ld file to
> simply place this section to the right address
> 
> Greg
> 
> ----- Original Message ----- 
> From: "Leo McManus" <leomcmanusir@yahoo.com>
> To: "OpenWinCE Project" <openwince-list-request@lists.sourceforge.net>;
> "EcosMailList EcosList" <ecos-discuss@sources.redhat.com>
> Sent: Wednesday, April 14, 2004 5:14 PM
> Subject: [ECOS] HELP with target.ld file syntax
> 
> 
> Running eCos on ARM Integreator board with ARM720T processor.
> 
> I have 3 high speed USB OTG buffers which need to be above address
> 0x80000000
> on an ARM Integrator board, so my USB chip and the ARM can share the memory.
> 
> uchar    ECHO_ENDPOINT_BUFFER_1[1000];
> uchar    ECHO_ENDPOINT_BUFFER_2[1000];
> uchar    ECHO_ENDPOINT_RECV_BUFFER[1000];
> 
> I am after the syntax to relocate the buffers using my target.ld linker
> file.
> 
> 
> Thanks
> 
> Leo
> 
> 
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> 
> 
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=====
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Contact in France:  +33 (0)476 275661

Registered Linux User Number 205935.
http://counter.li.org.


	
	
		
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