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src/lufa-LUFA-170418/Bootloaders/Printer/BootloaderAPITable.S 3.02 KB
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  /*

               LUFA Library

       Copyright (C) Dean Camera, 2017.

  

    dean [at] fourwalledcubicle [dot] com

             www.lufa-lib.org

  */

  

  /*

    Copyright 2017  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.

  */

  

  ; 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 0xDF20 ; Signature for the Printer class bootloader

  	.word 0xDCFB ; Signature for a LUFA class bootloader