Add FreeRTOS heap4 intro card

Makefile

@@ -0,0 +1,112 @@
+RISCV_PREFIX ?= riscv64-unknown-elf-
+
+CC := $(RISCV_PREFIX)gcc
+OBJCOPY := $(RISCV_PREFIX)objcopy
+OBJDUMP := $(RISCV_PREFIX)objdump
+SIZE := $(RISCV_PREFIX)size
+HOST_CC ?= cc
+
+DEBUG ?= 1
+ifeq ($(DEBUG),1)
+  DBGFLAGS := -g3 -ggdb
+else
+  DBGFLAGS :=
+endif
+
+RV_ENV_ROOT ?= /opt/rv-env
+SUPPORT_ROOT ?= $(RV_ENV_ROOT)/vendor/Hazard3
+H3_COMMON ?= $(SUPPORT_ROOT)/test/sim/common
+H3_INIT ?= $(H3_COMMON)/init.S
+LDSCRIPT ?= $(H3_COMMON)/link_hazard3.ld
+LAB_RUNTIME_DIR ?= $(RV_ENV_ROOT)/vendor/lab-runtime
+MEMOPS ?= $(LAB_RUNTIME_DIR)/memops.c
+
+BUILD_ROOT ?= build
+HOST_BUILD_ROOT ?= host-build
+TASKS := \
+	task01_heap_map \
+	task02_free_list \
+	task03_heap_init \
+	task04_alignment \
+	task05_malloc_first_fit \
+	task06_split_block \
+	task07_free_insert \
+	task08_coalescing \
+	task09_config_macros \
+	task10_heap4_demo
+
+ARCH ?= rv32i_zicsr_zifencei
+ABI ?= ilp32
+
+COMMON_FLAGS := -std=c99 -march=$(ARCH) -mabi=$(ABI) -nostdlib -nostartfiles -ffreestanding -fno-builtin -fno-stack-protector $(DBGFLAGS) -Wall -Wextra -Isrc/tasks
+LINK_FLAGS := -Wl,--no-relax -Wl,-T,$(LDSCRIPT)
+LIBS := -lgcc
+EMIT_FLAGS := -std=c99 -march=$(ARCH) -mabi=$(ABI) -O -ffreestanding -fno-builtin -fno-stack-protector -nostdlib -nostartfiles -Wall -Wextra -Isrc/tasks
+CFLAGS_STEP := $(COMMON_FLAGS) -O
+HOST_CFLAGS := -std=c99 -O0 -g -Wall -Wextra -DHOST_PRINTF=1 -Isrc/tasks
+
+.PHONY: all tasks host \
+	task1 task2 task3 task4 task5 task6 task7 task8 task9 task10 \
+	t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 \
+	host-task1 host-task2 host-task3 host-task4 host-task5 host-task6 host-task7 host-task8 host-task9 host-task10 \
+	ht1 ht2 ht3 ht4 ht5 ht6 ht7 ht8 ht9 ht10 \
+	clean check-support $(TASKS)
+
+all: tasks
+tasks: $(TASKS)
+host: $(addprefix $(HOST_BUILD_ROOT)/,$(addsuffix /prog,$(TASKS)))
+
+task1 t1: $(word 1,$(TASKS))
+task2 t2: $(word 2,$(TASKS))
+task3 t3: $(word 3,$(TASKS))
+task4 t4: $(word 4,$(TASKS))
+task5 t5: $(word 5,$(TASKS))
+task6 t6: $(word 6,$(TASKS))
+task7 t7: $(word 7,$(TASKS))
+task8 t8: $(word 8,$(TASKS))
+task9 t9: $(word 9,$(TASKS))
+task10 t10: $(word 10,$(TASKS))
+
+host-task1 ht1: $(HOST_BUILD_ROOT)/$(word 1,$(TASKS))/prog
+host-task2 ht2: $(HOST_BUILD_ROOT)/$(word 2,$(TASKS))/prog
+host-task3 ht3: $(HOST_BUILD_ROOT)/$(word 3,$(TASKS))/prog
+host-task4 ht4: $(HOST_BUILD_ROOT)/$(word 4,$(TASKS))/prog
+host-task5 ht5: $(HOST_BUILD_ROOT)/$(word 5,$(TASKS))/prog
+host-task6 ht6: $(HOST_BUILD_ROOT)/$(word 6,$(TASKS))/prog
+host-task7 ht7: $(HOST_BUILD_ROOT)/$(word 7,$(TASKS))/prog
+host-task8 ht8: $(HOST_BUILD_ROOT)/$(word 8,$(TASKS))/prog
+host-task9 ht9: $(HOST_BUILD_ROOT)/$(word 9,$(TASKS))/prog
+host-task10 ht10: $(HOST_BUILD_ROOT)/$(word 10,$(TASKS))/prog
+
+check-support:
+	@test -f "$(H3_INIT)" || { echo "Missing $(H3_INIT). Run inside rv-env or set RV_ENV_ROOT=/path/to/rv32i-hazard3-env" >&2; exit 1; }
+	@test -f "$(LDSCRIPT)" || { echo "Missing $(LDSCRIPT)." >&2; exit 1; }
+	@test -f "$(MEMOPS)" || { echo "Missing $(MEMOPS)." >&2; exit 1; }
+
+define task_rules
+$(1): $(BUILD_ROOT)/$(1)/prog.bin $(BUILD_ROOT)/$(1)/prog.elf $(BUILD_ROOT)/$(1)/prog.lst $(BUILD_ROOT)/$(1)/$(1).s
+
+$(BUILD_ROOT)/$(1)/prog.elf: crt0.S src/tasks/$(1).c src/tasks/heap4_common.h $(H3_INIT) $(LDSCRIPT) $(MEMOPS) | check-support
+	mkdir -p $$(@D)
+	$(CC) $(CFLAGS_STEP) $(LINK_FLAGS) -Wl,-Map,$(BUILD_ROOT)/$(1)/prog.map -o $$@ $(H3_INIT) crt0.S $(MEMOPS) src/tasks/$(1).c $(LIBS)
+	$(SIZE) -A -x $$@
+
+$(BUILD_ROOT)/$(1)/prog.bin: $(BUILD_ROOT)/$(1)/prog.elf
+	$(OBJCOPY) -O binary $$< $$@
+
+$(BUILD_ROOT)/$(1)/prog.lst: $(BUILD_ROOT)/$(1)/prog.elf
+	$(OBJDUMP) -d -M no-aliases,numeric $$< > $$@
+
+$(BUILD_ROOT)/$(1)/$(1).s: src/tasks/$(1).c src/tasks/heap4_common.h | check-support
+	mkdir -p $$(@D)
+	$(CC) $(EMIT_FLAGS) -S -o $$@ $$<
+
+$(HOST_BUILD_ROOT)/$(1)/prog: src/tasks/$(1).c src/tasks/heap4_common.h
+	mkdir -p $$(@D)
+	$(HOST_CC) $(HOST_CFLAGS) -o $$@ $$<
+endef
+
+$(foreach task,$(TASKS),$(eval $(call task_rules,$(task))))
+
+clean:
+	rm -rf $(BUILD_ROOT) $(HOST_BUILD_ROOT)