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- /*
- LUFA Library
- Copyright (C) Dean Camera, 2018.
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
- */
- /*
- Copyright 2018 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
- The author disclaims all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
- */
- #if AUX_BOOT_SECTION_SIZE > 0
- #warning Using a AUX bootloader section in addition to the defined bootloader space (see documentation).
- ; Trampoline to jump over the AUX bootloader section to the start of the bootloader,
- ; on devices where an AUX bootloader section is used.
- .section .boot_aux_trampoline, "ax"
- .global Boot_AUX_Trampoline
- Boot_AUX_Trampoline:
- jmp BOOT_START_ADDR
- #endif
- ; Trampolines to actual API implementations if the target address is outside the
- ; range of a rjmp instruction (can happen with large bootloader sections)
- .section .apitable_trampolines, "ax"
- .global BootloaderAPI_Trampolines
- BootloaderAPI_Trampolines:
- BootloaderAPI_ErasePage_Trampoline:
- jmp BootloaderAPI_ErasePage
- BootloaderAPI_WritePage_Trampoline:
- jmp BootloaderAPI_WritePage
- BootloaderAPI_FillWord_Trampoline:
- jmp BootloaderAPI_FillWord
- BootloaderAPI_ReadSignature_Trampoline:
- jmp BootloaderAPI_ReadSignature
- BootloaderAPI_ReadFuse_Trampoline:
- jmp BootloaderAPI_ReadFuse
- BootloaderAPI_ReadLock_Trampoline:
- jmp BootloaderAPI_ReadLock
- BootloaderAPI_WriteLock_Trampoline:
- jmp BootloaderAPI_WriteLock
- BootloaderAPI_UNUSED1:
- ret
- BootloaderAPI_UNUSED2:
- ret
- BootloaderAPI_UNUSED3:
- ret
- BootloaderAPI_UNUSED4:
- ret
- BootloaderAPI_UNUSED5:
- ret
- ; API function jump table
- .section .apitable_jumptable, "ax"
- .global BootloaderAPI_JumpTable
- BootloaderAPI_JumpTable:
- rjmp BootloaderAPI_ErasePage_Trampoline
- rjmp BootloaderAPI_WritePage_Trampoline
- rjmp BootloaderAPI_FillWord_Trampoline
- rjmp BootloaderAPI_ReadSignature_Trampoline
- rjmp BootloaderAPI_ReadFuse_Trampoline
- rjmp BootloaderAPI_ReadLock_Trampoline
- rjmp BootloaderAPI_WriteLock_Trampoline
- rjmp BootloaderAPI_UNUSED1 ; UNUSED ENTRY 1
- rjmp BootloaderAPI_UNUSED2 ; UNUSED ENTRY 2
- rjmp BootloaderAPI_UNUSED3 ; UNUSED ENTRY 3
- rjmp BootloaderAPI_UNUSED4 ; UNUSED ENTRY 4
- rjmp BootloaderAPI_UNUSED5 ; UNUSED ENTRY 5
- ; Bootloader table signatures and information
- .section .apitable_signatures, "ax"
- .global BootloaderAPI_Signatures
- BootloaderAPI_Signatures:
- .long BOOT_START_ADDR ; Start address of the bootloader
- .word 0xDF30 ; Signature for the MS class bootloader, V1
- .word 0xDCFB ; Signature for a LUFA class bootloader
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