Add APIs to the incomplete Mass Storage bootloader.

This commit is contained in:
Dean Camera 2013-03-08 15:52:05 +00:00
parent 64f17a679f
commit 4753528b9e
4 changed files with 236 additions and 4 deletions

View file

@ -20,14 +20,14 @@ OPTIMIZATION = s
TARGET = MassStorage
SRC = $(TARGET).c Descriptors.c Lib/SCSI.c Lib/VirtualFAT.c $(LUFA_SRC_USB) $(LUFA_SRC_USBCLASS)
LUFA_PATH = ../../../LUFA
CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/
LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET)
CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/ -DBOOT_START_ADDR=$(BOOT_START_OFFSET)
LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET) $(BOOT_API_LD_FLAGS)
# Flash size and bootloader section sizes of the target, in KB. These must
# match the target's total FLASH size and the bootloader size set in the
# device's fuses.
FLASH_SIZE_KB := 128
BOOT_SECTION_SIZE_KB := 8
FLASH_SIZE_KB = 128
BOOT_SECTION_SIZE_KB = 8
# Bootloader address calculation formulas
# Do not modify these macros, but rather modify the dependent values above.
@ -35,6 +35,13 @@ CALC_ADDRESS_IN_HEX = $(shell printf "0x%X" $$(( $(1) )) )
BOOT_START_OFFSET = $(call CALC_ADDRESS_IN_HEX, ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024 )
BOOT_SEC_OFFSET = $(call CALC_ADDRESS_IN_HEX, ($(FLASH_SIZE_KB) * 1024) - $(strip $(1)) )
# Bootloader linker section flags for relocating the API table sections to
# known FLASH addresses - these should not normally be user-edited.
BOOT_SECTION_LD_FLAG = -Wl,--section-start=.apitable_$(strip $(1))=$(call BOOT_SEC_OFFSET, $(3)) -Wl,--undefined=BootloaderAPI_$(strip $(2))
BOOT_API_LD_FLAGS = $(call BOOT_SECTION_LD_FLAG, trampolines, Trampolines, 96)
BOOT_API_LD_FLAGS += $(call BOOT_SECTION_LD_FLAG, jumptable, JumpTable, 32)
BOOT_API_LD_FLAGS += $(call BOOT_SECTION_LD_FLAG, signatures, Signatures, 8)
# Default target
all: