*/
/*
- 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
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
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