add fatal handler payload

2026-04-12 22:04:19 +02:00
parent e1d75f0084
commit 985ecdc980
9 changed files with 1066 additions and 0 deletions
--- a/Source/fatal_handler_payload/Makefile
+++ b/Source/fatal_handler_payload/Makefile
@@ -0,0 +1,81 @@
+ifeq ($(strip $(DEVKITARM)),)
+$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
+endif
+include $(DEVKITARM)/base_rules
+################################################################################
+IPL_LOAD_ADDR := 0x40010000
+################################################################################
+THIS_MAKEFILE     := $(abspath $(lastword $(MAKEFILE_LIST)))
+CURRENT_DIRECTORY := $(abspath $(dir $(THIS_MAKEFILE)))
+BUILDDIR := build
+OUTPUTDIR := out
+SOURCEDIR = fatal_handler
+BDKDIR := bdk
+GFXDIR := fatal_handler/gfx
+TARGET := fatal_handler
+BDKINC := -I$(BDKDIR)
+GFXINC   := -I$(GFXDIR)
+GFX_INC := '"gfx.h"'
+VPATH = $(dir ./$(SOURCEDIR)/) $(dir $(wildcard ./$(SOURCEDIR)/*/)) $(dir $(wildcard ./$(SOURCEDIR)/*/*/))
+VPATH += $(dir $(wildcard ./$(BDKDIR)/)) $(dir $(wildcard ./$(BDKDIR)/*/)) $(dir $(wildcard ./$(BDKDIR)/*/*/))
+OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
+	start.o exception_handlers.o irq.o main.o \
+	timer.o heap.o hw_init.o clock.o i2c.o gpio.o \
+	max7762x.o di.o util.o fuse.o pinmux.o \
+	secmon_exo.o gfx.o bpmp.o sdram.o minerva.o btn.o max77620-rtc.o se.o mc.o)
+################################################################################
+# BDK defines.
+CUSTOMDEFINES := -DGFX_INC=$(GFX_INC)
+CUSTOMDEFINES += -DBDK_MALLOC_NO_DEFRAG -DBDK_MC_ENABLE_AHB_REDIRECT -DBDK_EMUMMC_ENABLE
+CUSTOMDEFINES += -DBDK_WATCHDOG_FIQ_ENABLE -DBDK_RESTART_BL_ON_WDT
+INCDIRS := $(BDKINC) $(GFXINC)
+WARNINGS := -Wall -Wsign-compare -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 = $(ARCH) -nostartfiles -lgcc -Wl,--nmagic,--gc-sections -Xlinker --defsym=IPL_LOAD_ADDR=$(IPL_LOAD_ADDR)
+################################################################################
+
+BIN_TARGET     := $(OUTPUTDIR)/$(TARGET).bin
+BIN_OBJ        := $(OUTPUTDIR)/$(TARGET).bin.o
+BIN_HEADER     := $(OUTPUTDIR)/$(TARGET)_bin.h
+BIN_SYM        := $(subst .,_,$(subst /,_,$(TARGET)))_bin
+
+define bin2o
+	$(eval SYM := $(BIN_SYM))
+	$(eval BIN_SIZE := $(shell wc -c < $(BIN_TARGET)))
+	@$(OBJCOPY) --input-target binary --output-target elf32-littlearm --binary-architecture arm \
+		--redefine-sym _binary_$(shell echo $(BIN_TARGET) | tr '/.-' '___')_start=$(SYM) \
+		--redefine-sym _binary_$(shell echo $(BIN_TARGET) | tr '/.-' '___')_end=$(SYM)_end \
+		--redefine-sym _binary_$(shell echo $(BIN_TARGET) | tr '/.-' '___')_size=$(SYM)_size \
+		$(BIN_TARGET) $(BIN_OBJ)
+	@printf '#pragma once\n#include <stddef.h>\n#include <stdint.h>\nextern const uint8_t $(SYM)[];\nextern const uint8_t $(SYM)_end[];\n#if __cplusplus >= 201103L\nstatic constexpr size_t $(SYM)_size=$(BIN_SIZE);\n#else\nstatic const size_t $(SYM)_size=$(BIN_SIZE);\n#endif\n' > $(BIN_HEADER)
+endef
+
+################################################################################
+.PHONY: all clean
+all: $(BIN_OBJ) $(BIN_HEADER)
+
+$(BIN_OBJ) $(BIN_HEADER): $(BIN_TARGET)
+	$(bin2o)
+
+$(BIN_TARGET): $(BUILDDIR)/$(TARGET)/$(TARGET).elf
+	$(OBJCOPY) -S -O binary $< $(BIN_TARGET)
+
+clean:
+	@rm -rf $(OBJS) $(BIN_OBJ) $(BIN_HEADER)
+
+$(BUILDDIR)/$(TARGET)/$(TARGET).elf: $(OBJS)
+	@$(CC) $(LDFLAGS) -T $(SOURCEDIR)/link.ld $^ -o $@
+
+$(BUILDDIR)/$(TARGET)/%.o: %.c
+	@$(CC) $(CFLAGS) $(INCDIRS) -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)"