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authorMichal Simek <monstr@monstr.eu>2009-03-27 14:25:20 +0100
committerMichal Simek <monstr@monstr.eu>2009-03-27 14:25:20 +0100
commit16bfeaf23ead78d937b3eacfb5c7cdc7bff6d3da (patch)
treed18da279de73e276ad3c3153208e6c8bbbd83b7a
parent6d5af1a35f363d3bca7ecb4560102ff94f792186 (diff)
microblaze_v8: vmlinux.lds.S - linker script
Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: John Linn <john.linn@xilinx.com> Acked-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
-rw-r--r--arch/microblaze/kernel/vmlinux.lds.S163
1 files changed, 163 insertions, 0 deletions
diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S
new file mode 100644
index 00000000000..840385e5129
--- /dev/null
+++ b/arch/microblaze/kernel/vmlinux.lds.S
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2008-2009 PetaLogix
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+OUTPUT_FORMAT("elf32-microblaze", "elf32-microblaze", "elf32-microblaze")
+OUTPUT_ARCH(microblaze)
+ENTRY(_start)
+
+#include <asm-generic/vmlinux.lds.h>
+
+jiffies = jiffies_64 + 4;
+
+SECTIONS {
+ . = CONFIG_KERNEL_BASE_ADDR;
+
+ .text : {
+ _text = . ;
+ _stext = . ;
+ *(.text .text.*)
+ *(.fixup)
+
+ *(.exitcall.exit)
+ SCHED_TEXT
+ LOCK_TEXT
+ KPROBES_TEXT
+ . = ALIGN (4) ;
+ _etext = . ;
+ }
+
+ . = ALIGN (4) ;
+ _fdt_start = . ; /* place for fdt blob */
+ . = . + 0x4000;
+ _fdt_end = . ;
+
+ . = ALIGN(16);
+ RODATA
+ . = ALIGN(16);
+ __ex_table : {
+ __start___ex_table = .;
+ *(__ex_table)
+ __stop___ex_table = .;
+ }
+
+ /*
+ * sdata2 section can go anywhere, but must be word aligned
+ * and SDA2_BASE must point to the middle of it
+ */
+ .sdata2 : {
+ _ssrw = .;
+ . = ALIGN(4096); /* page aligned when MMU used - origin 0x8 */
+ *(.sdata2)
+ . = ALIGN(8);
+ _essrw = .;
+ _ssrw_size = _essrw - _ssrw;
+ _KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2);
+ }
+
+ _sdata = . ;
+ .data ALIGN (4096) : { /* page aligned when MMU used - origin 0x4 */
+ *(.data)
+ }
+ . = ALIGN(32);
+ .data.cacheline_aligned : { *(.data.cacheline_aligned) }
+ _edata = . ;
+
+ /* Reserve some low RAM for r0 based memory references */
+ . = ALIGN(0x4) ;
+ r0_ram = . ;
+ . = . + 4096; /* a page should be enough */
+
+ /* The initial task */
+ . = ALIGN(8192);
+ .data.init_task : { *(.data.init_task) }
+
+ /* Under the microblaze ABI, .sdata and .sbss must be contiguous */
+ . = ALIGN(8);
+ .sdata : {
+ _ssro = .;
+ *(.sdata)
+ }
+
+ .sbss : {
+ _ssbss = .;
+ *(.sbss)
+ _esbss = .;
+ _essro = .;
+ _ssro_size = _essro - _ssro ;
+ _KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
+ }
+
+ __init_begin = .;
+
+ . = ALIGN(4096);
+ .init.text : {
+ _sinittext = . ;
+ *(.init.text)
+ *(.exit.text)
+ *(.exit.data)
+ _einittext = .;
+ }
+
+ .init.data : { *(.init.data) }
+
+ . = ALIGN(4);
+ .init.ivt : {
+ __ivt_start = .;
+ *(.init.ivt)
+ __ivt_end = .;
+ }
+
+ .init.setup : {
+ __setup_start = .;
+ *(.init.setup)
+ __setup_end = .;
+ }
+
+ .initcall.init : {
+ __initcall_start = .;
+ INITCALLS
+ __initcall_end = .;
+ }
+
+ .con_initcall.init : {
+ __con_initcall_start = .;
+ *(.con_initcall.init)
+ __con_initcall_end = .;
+ }
+
+ __init_end_before_initramfs = .;
+
+ .init.ramfs ALIGN(4096) : {
+ __initramfs_start = .;
+ *(.init.ramfs)
+ __initramfs_end = .;
+ . = ALIGN(4);
+ LONG(0);
+/*
+ * FIXME this can break initramfs for MMU.
+ * Pad init.ramfs up to page boundary,
+ * so that __init_end == __bss_start. This will make image.elf
+ * consistent with the image.bin
+ */
+ /* . = ALIGN(4096); */
+ }
+ __init_end = .;
+
+ .bss ALIGN (4096) : { /* page aligned when MMU used */
+ __bss_start = . ;
+ *(.bss*)
+ *(COMMON)
+ . = ALIGN (4) ;
+ __bss_stop = . ;
+ _ebss = . ;
+ }
+ . = ALIGN(4096);
+ _end = .;
+}