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-rw-r--r--arch/mips/kernel/vmlinux.lds.S243
1 files changed, 243 insertions, 0 deletions
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
new file mode 100644
index 000000000..91d6a5360
--- /dev/null
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -0,0 +1,243 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <asm/asm-offsets.h>
+#include <asm/thread_info.h>
+
+#define PAGE_SIZE _PAGE_SIZE
+
+/*
+ * Put .bss..swapper_pg_dir as the first thing in .bss. This will
+ * ensure that it has .bss alignment (64K).
+ */
+#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
+
+/* Cavium Octeon should not have a separate PT_NOTE Program Header. */
+#ifndef CONFIG_CAVIUM_OCTEON_SOC
+#define EMITS_PT_NOTE
+#endif
+
+#define RUNTIME_DISCARD_EXIT
+
+#include <asm-generic/vmlinux.lds.h>
+
+#undef mips
+#define mips mips
+OUTPUT_ARCH(mips)
+ENTRY(kernel_entry)
+PHDRS {
+ text PT_LOAD FLAGS(7); /* RWX */
+#ifndef CONFIG_CAVIUM_OCTEON_SOC
+ note PT_NOTE FLAGS(4); /* R__ */
+#endif /* CAVIUM_OCTEON_SOC */
+}
+
+#ifdef CONFIG_32BIT
+ #ifdef CONFIG_CPU_LITTLE_ENDIAN
+ jiffies = jiffies_64;
+ #else
+ jiffies = jiffies_64 + 4;
+ #endif
+#else
+ jiffies = jiffies_64;
+#endif
+
+SECTIONS
+{
+#ifdef CONFIG_BOOT_ELF64
+ /* Read-only sections, merged into text segment: */
+ /* . = 0xc000000000000000; */
+
+ /* This is the value for an Origin kernel, taken from an IRIX kernel. */
+ /* . = 0xc00000000001c000; */
+
+ /* Set the vaddr for the text segment to a value
+ * >= 0xa800 0000 0001 9000 if no symmon is going to configured
+ * >= 0xa800 0000 0030 0000 otherwise
+ */
+
+ /* . = 0xa800000000300000; */
+ . = 0xffffffff80300000;
+#endif
+ . = LINKER_LOAD_ADDRESS;
+ /* read-only */
+ _text = .; /* Text and read-only data */
+ .text : {
+ TEXT_TEXT
+ SCHED_TEXT
+ CPUIDLE_TEXT
+ LOCK_TEXT
+ KPROBES_TEXT
+ IRQENTRY_TEXT
+ SOFTIRQENTRY_TEXT
+ *(.fixup)
+ *(.gnu.warning)
+ . = ALIGN(16);
+ *(.got) /* Global offset table */
+ } :text = 0
+ _etext = .; /* End of text section */
+
+ EXCEPTION_TABLE(16)
+
+ /* Exception table for data bus errors */
+ __dbe_table : {
+ __start___dbe_table = .;
+ KEEP(*(__dbe_table))
+ __stop___dbe_table = .;
+ }
+
+ _sdata = .; /* Start of data section */
+ RO_DATA(4096)
+
+ /* writeable */
+ .data : { /* Data */
+ . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
+
+ INIT_TASK_DATA(THREAD_SIZE)
+ NOSAVE_DATA
+ PAGE_ALIGNED_DATA(PAGE_SIZE)
+ CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
+ READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
+ DATA_DATA
+ CONSTRUCTORS
+ }
+ BUG_TABLE
+ _gp = . + 0x8000;
+ .lit8 : {
+ *(.lit8)
+ }
+ .lit4 : {
+ *(.lit4)
+ }
+ /* We want the small data sections together, so single-instruction offsets
+ can access them all, and initialized data all before uninitialized, so
+ we can shorten the on-disk segment size. */
+ .sdata : {
+ *(.sdata)
+ }
+ _edata = .; /* End of data section */
+
+ /* will be freed after init */
+ . = ALIGN(PAGE_SIZE); /* Init code and data */
+ __init_begin = .;
+ INIT_TEXT_SECTION(PAGE_SIZE)
+ INIT_DATA_SECTION(16)
+
+ . = ALIGN(4);
+ .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
+ __mips_machines_start = .;
+ KEEP(*(.mips.machines.init))
+ __mips_machines_end = .;
+ }
+
+ /* .exit.text is discarded at runtime, not link time, to deal with
+ * references from .rodata
+ */
+ .exit.text : {
+ EXIT_TEXT
+ }
+ .exit.data : {
+ EXIT_DATA
+ }
+#ifdef CONFIG_SMP
+ PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
+#endif
+
+ .rel.dyn : ALIGN(8) {
+ *(.rel)
+ *(.rel*)
+ }
+
+#ifdef CONFIG_MIPS_ELF_APPENDED_DTB
+ STRUCT_ALIGN();
+ .appended_dtb : AT(ADDR(.appended_dtb) - LOAD_OFFSET) {
+ *(.appended_dtb)
+ KEEP(*(.appended_dtb))
+ }
+#endif
+
+#ifdef CONFIG_RELOCATABLE
+ . = ALIGN(4);
+
+ .data.reloc : {
+ _relocation_start = .;
+ /*
+ * Space for relocation table
+ * This needs to be filled so that the
+ * relocs tool can overwrite the content.
+ * An invalid value is left at the start of the
+ * section to abort relocation if the table
+ * has not been filled in.
+ */
+ LONG(0xFFFFFFFF);
+ FILL(0);
+ . += CONFIG_RELOCATION_TABLE_SIZE - 4;
+ _relocation_end = .;
+ }
+#endif
+
+#ifdef CONFIG_MIPS_RAW_APPENDED_DTB
+ .fill : {
+ FILL(0);
+ BYTE(0);
+ STRUCT_ALIGN();
+ }
+ __appended_dtb = .;
+ /* leave space for appended DTB */
+ . += 0x100000;
+#endif
+ /*
+ * Align to 64K in attempt to eliminate holes before the
+ * .bss..swapper_pg_dir section at the start of .bss. This
+ * also satisfies PAGE_SIZE alignment as the largest page size
+ * allowed is 64K.
+ */
+ . = ALIGN(0x10000);
+ __init_end = .;
+ /* freed after init ends here */
+
+ /*
+ * Force .bss to 64K alignment so that .bss..swapper_pg_dir
+ * gets that alignment. .sbss should be empty, so there will be
+ * no holes after __init_end. */
+ BSS_SECTION(0, 0x10000, 8)
+
+ _end = . ;
+
+ /* These mark the ABI of the kernel for debuggers. */
+ .mdebug.abi32 : {
+ KEEP(*(.mdebug.abi32))
+ }
+ .mdebug.abi64 : {
+ KEEP(*(.mdebug.abi64))
+ }
+
+ /* This is the MIPS specific mdebug section. */
+ .mdebug : {
+ *(.mdebug)
+ }
+
+ STABS_DEBUG
+ DWARF_DEBUG
+ ELF_DETAILS
+
+ /* These must appear regardless of . */
+ .gptab.sdata : {
+ *(.gptab.data)
+ *(.gptab.sdata)
+ }
+ .gptab.sbss : {
+ *(.gptab.bss)
+ *(.gptab.sbss)
+ }
+
+ /* Sections to be discarded */
+ DISCARDS
+ /DISCARD/ : {
+ /* ABI crap starts here */
+ *(.MIPS.abiflags)
+ *(.MIPS.options)
+ *(.gnu.attributes)
+ *(.options)
+ *(.pdr)
+ *(.reginfo)
+ }
+}