X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/56e792c95b1a29e61d9204a8f7f305d7f33261f1..e34c771d53177d127f963f9960169847129dfb29:/Bootloaders/DFU/BootloaderAPITable.S diff --git a/Bootloaders/DFU/BootloaderAPITable.S b/Bootloaders/DFU/BootloaderAPITable.S index 18ae390fc..9d1e2fc0e 100644 --- a/Bootloaders/DFU/BootloaderAPITable.S +++ b/Bootloaders/DFU/BootloaderAPITable.S @@ -7,7 +7,7 @@ */ /* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2012 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 @@ -28,41 +28,44 @@ this software. */ -; Bootloader API Jump Table -.section .apitable, "ax" - ; Trampolines to actual API implementations if the target address is outside the ; range of a rjmp instruction (can happen with large bootloader sections) -.org 0 -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 -BootloaderAPU_UNUSED1: - ret -BootloaderAPU_UNUSED2: - ret -BootloaderAPU_UNUSED3: - ret -BootloaderAPU_UNUSED4: - ret -BootloaderAPU_UNUSED5: - ret +.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 + BootloaderAPU_UNUSED1: + ret + BootloaderAPU_UNUSED2: + ret + BootloaderAPU_UNUSED3: + ret + BootloaderAPU_UNUSED4: + ret + BootloaderAPU_UNUSED5: + ret + + ; API function jump table -.org (96 - 32) +.section .apitable_jumptable, "ax" .global BootloaderAPI_JumpTable BootloaderAPI_JumpTable: + rjmp BootloaderAPI_ErasePage_Trampoline rjmp BootloaderAPI_WritePage_Trampoline rjmp BootloaderAPI_FillWord_Trampoline @@ -76,10 +79,13 @@ BootloaderAPI_JumpTable: rjmp BootloaderAPU_UNUSED4 ; UNUSED ENTRY 4 rjmp BootloaderAPU_UNUSED5 ; UNUSED ENTRY 5 + + ; Bootloader table signatures and information -.org (96 - 8) -BootloaderAPI_Signatures: +.section .apitable_signatures, "ax" .global BootloaderAPI_Signatures +BootloaderAPI_Signatures: + .long BOOT_START_ADDR ; Start address of the bootloader .word 0xDFB1 ; Signature for the DFU class bootloader, V1 .word 0xDCFB ; Signature for a LUFA class bootloader