Fix documentation of the board LED driver (thanks to Karl Lunt).

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

diff --git a/Bootloaders/DFU/BootloaderAPITable.S b/Bootloaders/DFU/BootloaderAPITable.S
index b1d1b05..0935aca 100644 (file)
--- a/Bootloaders/DFU/BootloaderAPITable.S
+++ b/Bootloaders/DFU/BootloaderAPITable.S
@@ -30,19 +30,48 @@
 
 ; Bootloader API Jump Table
 .section .apitable, "ax"
 
 ; 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
 .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_UNUSED:
+       ret

 
 ; API function jump table
 
 ; API function jump table

+.org (96 - 32)

 .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_UNUSED ; UNUSED ENTRY
+       rjmp BootloaderAPU_UNUSED ; UNUSED ENTRY
+       rjmp BootloaderAPU_UNUSED ; UNUSED ENTRY
+       rjmp BootloaderAPU_UNUSED ; UNUSED ENTRY
+       rjmp BootloaderAPU_UNUSED ; UNUSED ENTRY
+
+; Bootloader table signatures and information
+.org (96 - 8)
+BootloaderAPI_Signatures:
+.global 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