[Fwd: Question about linker -Ttext option]
beck at assurtech.com
Tue Mar 9 11:13:12 EST 2004
FYI - I'm using version 2.4.18 of the linux
kernel with the ppc patches.
From: Bob Beck <beck at assurtech.com>
To: linuxppc-embedded at lists.linuxppc.org
Subject: Question about linker -Ttext option
Date: 09 Mar 2004 14:10:26 +1400
In the arch/ppc/boot directory, one of the linker
options is "-Ttext 0x00800000".
What does this mean ?
The base virtual address of the kernel is c0000000.
I've been using my own hand-rolled bootloader to
load the zImage.bin file into an address allocated
by the VxWorks malloc and jumping to that address.
arch/ppc/boot/simple/head.S says it expects the load address
in r3. It seems strange that it would need its own (start)
starting address. What is this routine expecting ?
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