linker.lds

ENTRY( _start )

MEMORY
{
    /* Try to squeeze down to this target size */
    FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 4K
    /* Defining a section with LENGTH = 0 causes
    an error to be raised if we accidentally declare
    a variable that is stored in RAM.
    Doesn't help with preventing stack spills though. */
    LOL_NO_RAM (rw) : ORIGIN = 0x400060c0, LENGTH = 0
}

SECTIONS
{
    /* This symbol is used for jumps in startup.S */
    PROVIDE(_bootloader_limit = ORIGIN(FLASH) + LENGTH(FLASH));

    .vector :
    {
        *(.vector);
        . = ALIGN(4);
    } >FLASH
    
    .text :
    {
        *(.text)
        *(.text.*)
        *(.rodata)
        *(.rodata*)
        *(.gnu.linkonce.t.*)
        /* The vendor link script puts this into the (writable) RAM
        segment because that's where gp is pointed.
        We are abusing the heck out of gp and don't have RAM anyways,
        so just put this in the normal text segment.
        GCC will automatically use these sections for data that
        it determines is "small" without you asking. */
        *(.srodata.cst16)
        *(.srodata.cst8)
        *(.srodata.cst4)
        *(.srodata.cst2)
        *(.srodata .srodata.*)
        . = ALIGN(4);
    } >FLASH

    /* gp linker relaxation hack */
    PROVIDE( R16_USBD_EPR       = 0x40005C00 );
    PROVIDE( R16_USBD_CNTR      = 0x40005C40 );
    PROVIDE( R16_USBD_ISTR      = 0x40005C44 );
    PROVIDE( R16_USBD_DADDR     = 0x40005C4C );
    PROVIDE( __global_pointer$  = 0x40006000 );
    PROVIDE( USB_DESCS          = 0x40006000 );
    PROVIDE( USB_EP0_OUT        = 0x40006020 );
    PROVIDE( USB_EP0_IN         = 0x40006030 );
    PROVIDE( USB_EP1_OUT        = 0x40006040 );
    PROVIDE( USB_EP1_IN         = 0x400060c0 );

    PROVIDE( UF2_GOT_BLOCKS     = 0x40006140 );

    PROVIDE( SCSI_XFER_CUR_LBA  = 0x400061d0 );
    PROVIDE( SCSI_XFER_BLK_LEFT = 0x400061d4 );
    PROVIDE( BLOCKNUM_LO        = 0x400061d8 );
    PROVIDE( TOTBLOCKS_LO       = 0x400061dc );
    PROVIDE( CSWTAG_LO          = 0x400061e0 );
    PROVIDE( CSWTAG_HI          = 0x400061e4 );
    PROVIDE( ADDRESS_LO         = 0x400061e8 );
    PROVIDE( ADDRESS_HI         = 0x400061ec );
    PROVIDE( ACTIVE_CONFIG      = 0x400061f0 );
    PROVIDE( CTRL_XFER_STATE    = 0x400061f4 );
    PROVIDE( CTRL_XFER_STATE_X  = 0x400061f8 );
    PROVIDE( CTRL_XFER_DESC_SZ  = 0x400061fc );
    PROVIDE( USB_SECTOR_STASH   = 0x40006200 );

    PROVIDE(_data_lma = .);

    .data :
    {
        PROVIDE(_data_vma = .);
        *(.gnu.linkonce.r.*)
        *(.data .data.*)
        *(.gnu.linkonce.d.*)
        . = ALIGN(4);
        *(.sdata .sdata.*)
        *(.sdata2.*)
        *(.gnu.linkonce.s.*)
        . = ALIGN(4);
        . = ALIGN(4);
        PROVIDE( _edata = .);
    } >LOL_NO_RAM AT>FLASH

    .bss :
    {
        PROVIDE( _sbss = .);
        *(.sbss*)
        *(.gnu.linkonce.sb.*)
        *(.bss*)
        *(.gnu.linkonce.b.*)
        *(COMMON*)
        . = ALIGN(4);
        PROVIDE( _ebss = .);
    } >LOL_NO_RAM

    PROVIDE( _end = _ebss);
}