Update CDC driver INF files so that they should work even on systems without usbser...

[pub/USBasp.git] / Bootloaders / DFU / BootloaderAPITable.S

diff --git a/Bootloaders/DFU/BootloaderAPITable.S b/Bootloaders/DFU/BootloaderAPITable.S
index b1d1b05..9d1e2fc 100644 (file)
--- 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
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted


@@ -28,21 +28,64 @@
   this software.
 */
 
   this software.
 */
 

-; Bootloader API Jump Table
-.section .apitable, "ax"
-.org 0
+; 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
+       BootloaderAPU_UNUSED1:
+               ret
+       BootloaderAPU_UNUSED2:
+               ret
+       BootloaderAPU_UNUSED3:
+               ret
+       BootloaderAPU_UNUSED4:
+               ret
+       BootloaderAPU_UNUSED5:
+               ret
+
+

 
 ; API function jump table
 
 ; API function jump table

+.section .apitable_jumptable, "ax"

 .global BootloaderAPI_JumpTable
 BootloaderAPI_JumpTable:
 .global BootloaderAPI_JumpTable
 BootloaderAPI_JumpTable:

-       rjmp BootloaderAPI_ErasePage
-       rjmp BootloaderAPI_WritePage
-       rjmp BootloaderAPI_FillWord
-       rjmp BootloaderAPI_ReadSignature
-       rjmp BootloaderAPI_ReadFuse
-       rjmp BootloaderAPI_ReadLock
-       rjmp BootloaderAPI_WriteLock
-
-; Bootloader table signature
-.org 30
-       .word 0xDCFB
+
+       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 BootloaderAPU_UNUSED1 ; UNUSED ENTRY 1
+       rjmp BootloaderAPU_UNUSED2 ; UNUSED ENTRY 2
+       rjmp BootloaderAPU_UNUSED3 ; UNUSED ENTRY 3
+       rjmp BootloaderAPU_UNUSED4 ; UNUSED ENTRY 4
+       rjmp BootloaderAPU_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 0xDFB1 ; Signature for the DFU class bootloader, V1
+       .word 0xDCFB ; Signature for a LUFA class bootloader