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https://github.com/drasko/codezero.git
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7a81db8782
Added setting of utcb address to l4_thread_control. This is going to be moved to exchange_registers() since we need to pass both the utcb physical and virtual address and exregs fits such context modification better than thread_control.
49 lines
1.3 KiB
Plaintext
49 lines
1.3 KiB
Plaintext
/*
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* Simple linker script for userspace or svc tasks.
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*
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* Copyright (C) 2007 Bahadir Balban
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*/
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/*
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* The only catch with this linker script is that everything
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* is linked starting at virtual_base, and loaded starting
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* at physical_base. virtual_base is the predefined region
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* of virtual memory for userland applications. physical_base
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* is determined at build-time, it is one of the subsequent pages
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* that come after the kernel image's load area.
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*/
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/* USER_AREA_START, see memlayout.h */
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virtual_base = 0x10000000;
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__stack = (0x20000000 - 0x1000 - 8); /* First page before env/args page */
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INCLUDE "include/physical_base.lds"
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/* physical_base = 0x228000; */
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offset = virtual_base - physical_base;
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ENTRY(_start)
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SECTIONS
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{
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. = virtual_base;
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_start_text = .;
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.text : AT (ADDR(.text) - offset) { crt0.o(.text) *(.text) }
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/* rodata is needed else your strings will link at physical! */
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.rodata : AT (ADDR(.rodata) - offset) { *(.rodata) }
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.rodata1 : AT (ADDR(.rodata1) - offset) { *(.rodata1) }
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.data : AT (ADDR(.data) - offset)
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{
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. = ALIGN(4K); /* Align UTCB to page boundary */
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_start_utcb = .;
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*(.utcb)
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_end_utcb = .;
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. = ALIGN(4K);
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_start_bdev = .;
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*(.data.memfs)
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_end_bdev = .;
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*(.data)
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}
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.bss : AT (ADDR(.bss) - offset) { *(.bss) }
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_end = .;
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}
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