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Implement payload compression

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This commit is contained in:
shchmue 2021-05-12 16:47:06 -06:00
parent a7712b173c
commit 918b00ce07
20 changed files with 2305 additions and 28 deletions
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65
loader/Makefile Normal file
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@ -0,0 +1,65 @@
ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif
include $(DEVKITARM)/base_rules
################################################################################
LDR_LOAD_ADDR := 0x40007000
IPL_MAGIC := 0x43544349 #"ICTC"
include ../Versions.inc
################################################################################
TARGET := loader
BUILDDIR := ../build
OUTPUTDIR := ../output
BDKDIR := bdk
BDKINC := -I../$(BDKDIR)
VPATH += $(dir $(wildcard ../$(BDKDIR)/*/)) $(dir $(wildcard ../$(BDKDIR)/*/*/))
# Main and graphics.
OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
start.o loader.o lz.o \
)
################################################################################
CUSTOMDEFINES := -DBL_MAGIC=$(IPL_MAGIC)
CUSTOMDEFINES += -DBL_VER_MJ=$(BLVERSION_MAJOR) -DBL_VER_MN=$(BLVERSION_MINOR) -DBL_VER_HF=$(BLVERSION_HOTFX) -DBL_RESERVED=$(BLVERSION_RSVD)
#TODO: Considering reinstating some of these when pointer warnings have been fixed.
WARNINGS := -Wall -Wno-array-bounds -Wno-stringop-overflow
ARCH := -march=armv4t -mtune=arm7tdmi -mthumb-interwork
CFLAGS = $(ARCH) -O2 -g -nostdlib -ffunction-sections -fdata-sections -fomit-frame-pointer -std=gnu11 $(WARNINGS) $(CUSTOMDEFINES)
LDFLAGS = $(ARCH) -nostartfiles -lgcc -Wl,--nmagic,--gc-sections -Xlinker --defsym=LDR_LOAD_ADDR=$(LDR_LOAD_ADDR)
################################################################################
.PHONY: all clean
all: $(TARGET).bin $(TOOLSLZ) $(TOOLSB2C)
clean:
@rm -rf $(OBJS)
$(TARGET).bin: $(BUILDDIR)/$(TARGET)/$(TARGET).elf
$(OBJCOPY) -S -O binary $< $(OUTPUTDIR)/$(PAYLOAD_NAME).bin
$(BUILDDIR)/$(TARGET)/$(TARGET).elf: $(OBJS)
@$(CC) $(LDFLAGS) -T link.ld $^ -o $@
$(BUILDDIR)/$(TARGET)/%.o: %.c
@$(CC) $(CFLAGS) $(BDKINC) -c $< -o $@
$(BUILDDIR)/$(TARGET)/%.o: %.S
@$(CC) $(CFLAGS) -c $< -o $@
$(OBJS): $(BUILDDIR)/$(TARGET)
$(BUILDDIR)/$(TARGET):
@mkdir -p "$(BUILDDIR)"
@mkdir -p "$(BUILDDIR)/$(TARGET)"
@mkdir -p "$(OUTPUTDIR)"