/* 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 : {
                HEAD_TEXT
                TEXT_TEXT
                SCHED_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
        MODINFO
        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)
        }
}