; 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
; API function jump table
+.org (96 - 32)
.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
+ 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
-.org 24
+.org (96 - 8)
+BootloaderAPI_Signatures:
+.global BootloaderAPI_Signatures
.long BOOT_START_ADDR ; Start address of the bootloader
-.org 28
.word 0xDFB1 ; Signature for the DFU class bootloader, V1
-.org 30
.word 0xDCFB ; Signature for a LUFA class bootloader