summaryrefslogtreecommitdiffstats
path: root/Bootloaders/DFU/BootloaderAPITable.S
diff options
context:
space:
mode:
authorJack Humbert <jack.humb@gmail.com>2017-07-07 11:55:23 -0400
committerJack Humbert <jack.humb@gmail.com>2017-07-07 11:55:23 -0400
commit60b30c036397cb5627fa374bb930794b225daa29 (patch)
treee156c2d6b27f01db6985f2cc560c9c345d48fdac /Bootloaders/DFU/BootloaderAPITable.S
Squashed 'lib/lufa/' content from commit 385d40300
git-subtree-dir: lib/lufa git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b
Diffstat (limited to 'Bootloaders/DFU/BootloaderAPITable.S')
-rw-r--r--Bootloaders/DFU/BootloaderAPITable.S91
1 files changed, 91 insertions, 0 deletions
diff --git a/Bootloaders/DFU/BootloaderAPITable.S b/Bootloaders/DFU/BootloaderAPITable.S
new file mode 100644
index 0000000000..95fd8e5c37
--- /dev/null
+++ b/Bootloaders/DFU/BootloaderAPITable.S
@@ -0,0 +1,91 @@
+/*
+ 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 0xDF10 ; Signature for the DFU class bootloader, V1
+ .word 0xDCFB ; Signature for a LUFA class bootloader