From: "Harsha D" <harshad@sanyo.co.in>
To: "Andrew Lunn" <andrew@lunn.ch>
Cc: <ecos-discuss@sources.redhat.com>
Subject: RE: [ECOS] Redboot :: __startup_stack
Date: Fri, 01 Jul 2005 08:34:00 -0000 [thread overview]
Message-ID: <C03A3C267DDF184EA523BBAB577BF92405B129@blrexsr1.slti.sanyo.co.in> (raw)
Well i did that but then i get only "++++++++ ..." output on the hyper
terminal.
update ldi file
MEMORY
{
sram : ORIGIN = 0x00000000, LENGTH = 0x00008000
ram : ORIGIN = 0x20000000, LENGTH = 0x02000000
}
SECTIONS
{
SECTIONS_BEGIN
SECTION_fixed_vectors (sram, 0x20, LMA_EQ_VMA)
SECTION_rom_vectors (ram, 0x20300000, 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
}
thanking u
harsha
-----Original Message-----
From: Andrew Lunn [mailto:andrew@lunn.ch]
Sent: 01 July 2005 13:16
To: Harsha D
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] Redboot :: __startup_stack
On Fri, Jul 01, 2005 at 10:09:49AM +0530, Harsha D wrote:
> Hi
>
> ===============================================================
> Porting : Redboot
> Platform : ARM922T based board
> source base : based on Excalibur package
>
> ===============================================================
> Memory layout is
> --------------------------
> SRAM(32KB) 0x00000000 - 0x00008000
> RAM(32MB) 0x20000000 - 0x02000000
>
> ===============================================================
> My ram ldi file
> ---------------------
> MEMORY
> {
> ram : ORIGIN = 0x20000000, LENGTH = 0x02000000
> }
>
> SECTIONS
> {
> SECTIONS_BEGIN
> SECTION_fixed_vectors (ram, 0x20000020, LMA_EQ_VMA)
> SECTION_rom_vectors (ram, 0x20300000, 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
> }
....
> [ I am loading redboot at 0x20300000]
> Googling told me that
> fixed_vectors should be at 0x20(???) which is not the case for me.
> Will it cause any problems ? If yes then how should i have my memory
layout.
SECTION_fixed_vectors (ram, 0x20000020, LMA_EQ_VMA)
Add an sram memory region and change this to 0x20 and the fixed
vectors will move.
Andrew
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next reply other threads:[~2005-07-01 8:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-01 8:34 Harsha D [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-07-05 4:20 Harsha D
2005-07-01 12:37 Harsha D
2005-07-01 4:36 Harsha D
2005-07-01 7:46 ` Andrew Lunn
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