92 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| /*
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|              LUFA Library
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|      Copyright (C) Dean Camera, 2017.
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| 
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|   dean [at] fourwalledcubicle [dot] com
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|            www.lufa-lib.org
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| */
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| 
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| /*
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|   Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
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| 
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|   Permission to use, copy, modify, distribute, and sell this
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|   software and its documentation for any purpose is hereby granted
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|   without fee, provided that the above copyright notice appear in
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|   all copies and that both that the copyright notice and this
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|   permission notice and warranty disclaimer appear in supporting
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|   documentation, and that the name of the author not be used in
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|   advertising or publicity pertaining to distribution of the
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|   software without specific, written prior permission.
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| 
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|   The author disclaims all warranties with regard to this
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|   software, including all implied warranties of merchantability
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|   and fitness.  In no event shall the author be liable for any
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|   special, indirect or consequential damages or any damages
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|   whatsoever resulting from loss of use, data or profits, whether
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|   in an action of contract, negligence or other tortious action,
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|   arising out of or in connection with the use or performance of
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|   this software.
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| */
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| 
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| ; Trampolines to actual API implementations if the target address is outside the
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| ; range of a rjmp instruction (can happen with large bootloader sections)
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| .section .apitable_trampolines, "ax"
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| .global BootloaderAPI_Trampolines
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| BootloaderAPI_Trampolines:
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| 
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| 	BootloaderAPI_ErasePage_Trampoline:
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| 		jmp BootloaderAPI_ErasePage
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| 	BootloaderAPI_WritePage_Trampoline:
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| 		jmp BootloaderAPI_WritePage
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| 	BootloaderAPI_FillWord_Trampoline:
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| 		jmp BootloaderAPI_FillWord
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| 	BootloaderAPI_ReadSignature_Trampoline:
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| 		jmp BootloaderAPI_ReadSignature
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| 	BootloaderAPI_ReadFuse_Trampoline:
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| 		jmp BootloaderAPI_ReadFuse
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| 	BootloaderAPI_ReadLock_Trampoline:
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| 		jmp BootloaderAPI_ReadLock
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| 	BootloaderAPI_WriteLock_Trampoline:
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| 		jmp BootloaderAPI_WriteLock
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| 	BootloaderAPI_UNUSED1:
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| 		ret
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| 	BootloaderAPI_UNUSED2:
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| 		ret
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| 	BootloaderAPI_UNUSED3:
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| 		ret
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| 	BootloaderAPI_UNUSED4:
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| 		ret
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| 	BootloaderAPI_UNUSED5:
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| 		ret
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| 
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| 
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| 
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| ; API function jump table
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| .section .apitable_jumptable, "ax"
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| .global BootloaderAPI_JumpTable
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| BootloaderAPI_JumpTable:
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| 
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| 	rjmp BootloaderAPI_ErasePage_Trampoline
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| 	rjmp BootloaderAPI_WritePage_Trampoline
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| 	rjmp BootloaderAPI_FillWord_Trampoline
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| 	rjmp BootloaderAPI_ReadSignature_Trampoline
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| 	rjmp BootloaderAPI_ReadFuse_Trampoline
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| 	rjmp BootloaderAPI_ReadLock_Trampoline
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| 	rjmp BootloaderAPI_WriteLock_Trampoline
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| 	rjmp BootloaderAPI_UNUSED1 ; UNUSED ENTRY 1
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| 	rjmp BootloaderAPI_UNUSED2 ; UNUSED ENTRY 2
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| 	rjmp BootloaderAPI_UNUSED3 ; UNUSED ENTRY 3
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| 	rjmp BootloaderAPI_UNUSED4 ; UNUSED ENTRY 4
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| 	rjmp BootloaderAPI_UNUSED5 ; UNUSED ENTRY 5
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| 
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| 
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| 
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| ; Bootloader table signatures and information
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| .section .apitable_signatures, "ax"
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| .global BootloaderAPI_Signatures
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| BootloaderAPI_Signatures:
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| 
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| 	.long BOOT_START_ADDR ; Start address of the bootloader
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| 	.word 0xDF20 ; Signature for the Printer class bootloader
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| 	.word 0xDCFB ; Signature for a LUFA class bootloader
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