OpenCloudOS-Kernel/arch/arm64/kernel/vmlinux.lds.S

139 lines
2.6 KiB
ArmAsm

/*
* ld script to make ARM Linux kernel
* taken from the i386 version by Russell King
* Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
*/
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>
#include <asm/memory.h>
#include <asm/page.h>
#define ARM_EXIT_KEEP(x)
#define ARM_EXIT_DISCARD(x) x
OUTPUT_ARCH(aarch64)
ENTRY(stext)
jiffies = jiffies_64;
#define HYPERVISOR_TEXT \
/* \
* Force the alignment to be compatible with \
* the vectors requirements \
*/ \
. = ALIGN(2048); \
VMLINUX_SYMBOL(__hyp_idmap_text_start) = .; \
*(.hyp.idmap.text) \
VMLINUX_SYMBOL(__hyp_idmap_text_end) = .; \
VMLINUX_SYMBOL(__hyp_text_start) = .; \
*(.hyp.text) \
VMLINUX_SYMBOL(__hyp_text_end) = .;
SECTIONS
{
/*
* XXX: The linker does not define how output sections are
* assigned to input sections when there are multiple statements
* matching the same input section name. There is no documented
* order of matching.
*/
/DISCARD/ : {
ARM_EXIT_DISCARD(EXIT_TEXT)
ARM_EXIT_DISCARD(EXIT_DATA)
EXIT_CALL
*(.discard)
*(.discard.*)
}
. = PAGE_OFFSET + TEXT_OFFSET;
.head.text : {
_text = .;
HEAD_TEXT
}
.text : { /* Real text segment */
_stext = .; /* Text and read-only data */
*(.smp.pen.text)
__exception_text_start = .;
*(.exception.text)
__exception_text_end = .;
IRQENTRY_TEXT
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
HYPERVISOR_TEXT
*(.fixup)
*(.gnu.warning)
. = ALIGN(16);
*(.got) /* Global offset table */
}
RO_DATA(PAGE_SIZE)
EXCEPTION_TABLE(8)
_etext = .; /* End of text and rodata section */
. = ALIGN(PAGE_SIZE);
__init_begin = .;
INIT_TEXT_SECTION(8)
.exit.text : {
ARM_EXIT_KEEP(EXIT_TEXT)
}
. = ALIGN(16);
.init.data : {
INIT_DATA
INIT_SETUP(16)
INIT_CALLS
CON_INITCALL
SECURITY_INITCALL
INIT_RAM_FS
}
.exit.data : {
ARM_EXIT_KEEP(EXIT_DATA)
}
PERCPU_SECTION(64)
__init_end = .;
. = ALIGN(THREAD_SIZE);
__data_loc = .;
.data : AT(__data_loc) {
_data = .; /* address in memory */
_sdata = .;
/*
* first, the init task union, aligned
* to an 8192 byte boundary.
*/
INIT_TASK_DATA(THREAD_SIZE)
NOSAVE_DATA
CACHELINE_ALIGNED_DATA(64)
READ_MOSTLY_DATA(64)
/*
* and the usual data section
*/
DATA_DATA
CONSTRUCTORS
_edata = .;
}
_edata_loc = __data_loc + SIZEOF(.data);
NOTES
BSS_SECTION(0, 0, 0)
_end = .;
STABS_DEBUG
.comment 0 : { *(.comment) }
}
/*
* The HYP init code can't be more than a page long.
*/
ASSERT(((__hyp_idmap_text_start + PAGE_SIZE) > __hyp_idmap_text_end),
"HYP init code too big")