9c69b36411
Apparently stumbled into some sort of linker bug with gc-sections enabled. Disable for now, and clean up the linker script a little bit.
73 lines
1.7 KiB
Makefile
73 lines
1.7 KiB
Makefile
LOCAL_DIR := $(GET_LOCAL_DIR)
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MODULE := $(LOCAL_DIR)
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MODULE_SRCS += \
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$(LOCAL_DIR)/start.S \
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$(LOCAL_DIR)/arch.c \
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$(LOCAL_DIR)/asm.S \
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$(LOCAL_DIR)/exceptions.c \
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$(LOCAL_DIR)/thread.c \
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# $(LOCAL_DIR)/cache.c \
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$(LOCAL_DIR)/cache-ops.S \
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$(LOCAL_DIR)/ops.S \
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$(LOCAL_DIR)/mmu.c \
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$(LOCAL_DIR)/faults.c \
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$(LOCAL_DIR)/descriptor.c
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GLOBAL_DEFINES += \
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SMP_MAX_CPUS=1
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# set the default toolchain to microblaze elf and set a #define
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ifndef TOOLCHAIN_PREFIX
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TOOLCHAIN_PREFIX := microblaze-elf-
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endif
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WITH_LINKER_GC ?= 0
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LITTLE_ENDIAN ?= 0
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ifneq ($(LITTLE_ENDIAN),0)
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GLOBAL_COMPILEFLAGS += -mlittle-endian
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GLOBAL_LDFLAGS += -EL
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GLOBAL_MODULE_LDFLAGS += -EL
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endif
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LIBGCC := $(shell $(TOOLCHAIN_PREFIX)gcc $(GLOBAL_COMPILEFLAGS) $(GLOBAL_CFLAGS) -print-libgcc-file-name)
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$(info LIBGCC = $(LIBGCC))
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cc-option = $(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`"; \
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then echo "$(2)"; else echo "$(3)"; fi ;)
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ARCH_COMPILEFLAGS :=
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ARCH_OPTFLAGS := -O2
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GLOBAL_LDFLAGS += -relax
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KERNEL_BASE ?= $(MEMBASE)
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KERNEL_LOAD_OFFSET ?= 0
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VECTOR_BASE_PHYS ?= 0
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GLOBAL_DEFINES += \
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MEMBASE=$(MEMBASE) \
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MEMSIZE=$(MEMSIZE)
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# potentially generated files that should be cleaned out with clean make rule
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GENERATED += \
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$(BUILDDIR)/linker.ld
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# rules for generating the linker
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$(BUILDDIR)/linker.ld: $(LOCAL_DIR)/linker.ld $(wildcard arch/*.ld) linkerscript.phony
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@echo generating $@
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@$(MKDIR)
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$(NOECHO)sed "s/%MEMBASE%/$(MEMBASE)/;s/%MEMSIZE%/$(MEMSIZE)/;s/%KERNEL_BASE%/$(KERNEL_BASE)/;s/%KERNEL_LOAD_OFFSET%/$(KERNEL_LOAD_OFFSET)/;s/%VECTOR_BASE_PHYS%/$(VECTOR_BASE_PHYS)/" < $< > $@.tmp
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@$(call TESTANDREPLACEFILE,$@.tmp,$@)
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linkerscript.phony:
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.PHONY: linkerscript.phony
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LINKER_SCRIPT += $(BUILDDIR)/linker.ld
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include make/module.mk
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