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[/] [c0or1k/] [trunk/] [include/] [physlink.lds.in] - Rev 7
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/*
* Simple linker script
*
* Copyright (C) 2007 Bahadir Balban
*/
phys_ram_start = PLATFORM_PHYS_MEM_START;
kernel_offset = 0x00000000;
kernel_physical = 0x8000 + phys_ram_start;
kernel_virtual = kernel_physical + kernel_offset;
/* A temporary boot stack is used before a proper kernel stack is set up */
_bootstack_physical = _bootstack - kernel_offset;
_secondary_bootstack_physical = _secondary_bootstack - kernel_offset;
/* The symbols are linked at virtual addresses. So is _start.
* We must set the entry point to a physical address, so that
* when the image is loaded, it doesn't jump to a non existing
* virtual address.
*/
ENTRY(kernel_physical)
SECTIONS
{
. = kernel_virtual;
_start_kernel = .;
.text : AT (ADDR(.text) - kernel_offset)
{
_start_text = .;
/* Make sure head.S comes first */
/* *head.o(.text) This only works when given its full path. Bad limitation. */
*(.text.head)
*(.text)
_end_text = .;
}
. = ALIGN(4);
/* rodata is needed else your strings will link at physical! */
.rodata : AT (ADDR(.rodata) - kernel_offset) { *(.rodata) }
.rodata1 : AT (ADDR(.rodata1) - kernel_offset) { *(.rodata1) }
.data : AT (ADDR(.data) - kernel_offset)
{
_start_data = .;
*(.data)
_start_vectors = .;
*(.data.vectors)
. = ALIGN(4K);
_end_vectors = .;
*(.data.pgd)
_start_kip = .;
*(.data.kip)
. = ALIGN(4K);
_end_kip = .;
_start_syscalls = .;
*(.data.syscalls)
. = ALIGN(4K);
_end_syscalls = .;
*(.data.pgd); /* Global table on split tables, otherwise nil */
_end_data = .;
}
.bss : AT (ADDR(.bss) - kernel_offset)
{
*(.bss)
}
. = ALIGN(4K);
. += 0x2000; /* This is required as the link counter does not seem
* to increment for the bss section
* TODO: Change this with PAGE_SIZE */
/* Below part is to be discarded after boot */
_start_init = .;
.init : AT (ADDR(.init) - kernel_offset)
{
*(.init.pgd) /* Global table on _non_-split tables, otherwise nil */
*(.init.task.pgd) /* Non-global task table on split tables, otherwise nil */
*(.init.bootmem)
*(.init.data)
}
/* Space for boot stack */
. += 0x1000;
. = ALIGN(4K); /* A page aligned stack of at least 4KB */
_end_init = .;
_bootstack = .;
. += 0x1000;
. = ALIGN(4K);
_secondary_bootstack = .;
_end_kernel = .;
_end = .;
}
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