X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/1a4a26271e32fba6e2430b7869ec4a8b4242e6e2..e1886429972095e7d453adcbdb26910f94c29ffd:/Bootloaders/CDC/BootloaderAPITable.S diff --git a/Bootloaders/CDC/BootloaderAPITable.S b/Bootloaders/CDC/BootloaderAPITable.S index c5669617d..4b3be45e2 100644 --- a/Bootloaders/CDC/BootloaderAPITable.S +++ b/Bootloaders/CDC/BootloaderAPITable.S @@ -1,43 +1,91 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2011. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2011 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 disclaim 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. -*/ - -; Bootloader API Jump Table -.section .apitable, "ax" -.org 0 - -.global BootloaderAPI_JumpTable -BootloaderAPI_JumpTable: - jmp BootloaderAPI_ErasePage - jmp BootloaderAPI_WritePage - jmp BootloaderAPI_FillWord - jmp BootloaderAPI_ReadSignature - jmp BootloaderAPI_ReadFuse - jmp BootloaderAPI_ReadLock - jmp BootloaderAPI_WriteLock +/* + LUFA Library + Copyright (C) Dean Camera, 2018. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2018 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 0xDF00 ; Signature for the CDC class bootloader + .word 0xDCFB ; Signature for a LUFA class bootloader