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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/openrisc/kernel/vmlinux.lds.S
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--arch/openrisc/kernel/vmlinux.lds.S126
1 files changed, 126 insertions, 0 deletions
diff --git a/arch/openrisc/kernel/vmlinux.lds.S b/arch/openrisc/kernel/vmlinux.lds.S
new file mode 100644
index 000000000..953bdcd54
--- /dev/null
+++ b/arch/openrisc/kernel/vmlinux.lds.S
@@ -0,0 +1,126 @@
+/*
+ * OpenRISC vmlinux.lds.S
+ *
+ * Linux architectural port borrowing liberally from similar works of
+ * others. All original copyrights apply as per the original source
+ * declaration.
+ *
+ * Modifications for the OpenRISC architecture:
+ * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
+ * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * ld script for OpenRISC architecture
+ */
+
+/* TODO
+ * - clean up __offset & stuff
+ * - change all 8192 alignment to PAGE !!!
+ * - recheck if all alignments are really needed
+ */
+
+# define LOAD_OFFSET PAGE_OFFSET
+# define LOAD_BASE PAGE_OFFSET
+
+#include <asm/page.h>
+#include <asm/cache.h>
+#include <asm/thread_info.h>
+#include <asm-generic/vmlinux.lds.h>
+
+#ifdef __OR1K__
+#define __OUTPUT_FORMAT "elf32-or1k"
+#else
+#define __OUTPUT_FORMAT "elf32-or32"
+#endif
+
+OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT, __OUTPUT_FORMAT)
+jiffies = jiffies_64 + 4;
+
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = LOAD_BASE ;
+
+ _text = .;
+
+ /* _s_kernel_ro must be page aligned */
+ . = ALIGN(PAGE_SIZE);
+ _s_kernel_ro = .;
+
+ .text : AT(ADDR(.text) - LOAD_OFFSET)
+ {
+ _stext = .;
+ TEXT_TEXT
+ SCHED_TEXT
+ CPUIDLE_TEXT
+ LOCK_TEXT
+ KPROBES_TEXT
+ IRQENTRY_TEXT
+ SOFTIRQENTRY_TEXT
+ *(.fixup)
+ *(.text.__*)
+ _etext = .;
+ }
+ /* TODO: Check if fixup and text.__* are really necessary
+ * fixup is definitely necessary
+ */
+
+ _sdata = .;
+
+ /* Page alignment required for RO_DATA_SECTION */
+ RO_DATA_SECTION(PAGE_SIZE)
+ _e_kernel_ro = .;
+
+ /* Whatever comes after _e_kernel_ro had better be page-aligend, too */
+
+ /* 32 here is cacheline size... recheck this */
+ RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE)
+
+ _edata = .;
+
+ EXCEPTION_TABLE(4)
+ NOTES
+
+ /* Init code and data */
+ . = ALIGN(PAGE_SIZE);
+ __init_begin = .;
+
+ HEAD_TEXT_SECTION
+
+ /* Page aligned */
+ INIT_TEXT_SECTION(PAGE_SIZE)
+
+ /* Align __setup_start on 16 byte boundary */
+ INIT_DATA_SECTION(16)
+
+ PERCPU_SECTION(L1_CACHE_BYTES)
+
+ __init_end = .;
+
+ . = ALIGN(PAGE_SIZE);
+ .initrd : AT(ADDR(.initrd) - LOAD_OFFSET)
+ {
+ __initrd_start = .;
+ *(.initrd)
+ __initrd_end = .;
+ FILL (0);
+ . = ALIGN (PAGE_SIZE);
+ }
+
+ __vmlinux_end = .; /* last address of the physical file */
+
+ BSS_SECTION(0, 0, 0x20)
+
+ _end = .;
+
+ /* Throw in the debugging sections */
+ STABS_DEBUG
+ DWARF_DEBUG
+
+ /* Sections to be discarded -- must be last */
+ DISCARDS
+}