diff options
| author | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 11:55:23 -0400 |
|---|---|---|
| committer | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 11:55:23 -0400 |
| commit | 8655d4f4948b2deef7844503c8d690f23ac1a062 (patch) | |
| tree | b2c6effc9d6cd5b5b43933a1e53b8bf17e9e82cf /lib/lufa/Bootloaders/MassStorage/BootloaderAPITable.S | |
| parent | 1896c76a2928c96f9ab7947bec2ef8dd37623cff (diff) | |
| parent | 60b30c036397cb5627fa374bb930794b225daa29 (diff) | |
Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'
Diffstat (limited to 'lib/lufa/Bootloaders/MassStorage/BootloaderAPITable.S')
| -rw-r--r-- | lib/lufa/Bootloaders/MassStorage/BootloaderAPITable.S | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/lib/lufa/Bootloaders/MassStorage/BootloaderAPITable.S b/lib/lufa/Bootloaders/MassStorage/BootloaderAPITable.S new file mode 100644 index 0000000000..30165700d7 --- /dev/null +++ b/lib/lufa/Bootloaders/MassStorage/BootloaderAPITable.S @@ -0,0 +1,102 @@ +/*
+ 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
|