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authorFabian Topfstedt <topfstedt@schneevonmorgen.com>2017-07-20 08:22:44 +0200
committerFabian Topfstedt <topfstedt@schneevonmorgen.com>2017-07-20 08:22:44 +0200
commitee43856ff7ba37ea89d1a8a4700efba4e4f69571 (patch)
treeb0ed5b538396b0b2b027e69ad8ceac443c067c79 /lib/lufa/Bootloaders/MassStorage/BootloaderAPITable.S
parent99b6e918eab31d4f53cabc04a995da945335ac7f (diff)
parent14c5160b1a94d5dc416002791b3c207ba0dca789 (diff)
Merge https://github.com/qmk/qmk_firmware
Diffstat (limited to 'lib/lufa/Bootloaders/MassStorage/BootloaderAPITable.S')
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diff --git a/lib/lufa/Bootloaders/MassStorage/BootloaderAPITable.S b/lib/lufa/Bootloaders/MassStorage/BootloaderAPITable.S
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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.
+*/
+
+#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