adds some consistency fixes for variable ISA settings
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8c1c2766e8
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@ -24,7 +24,7 @@ INCLUDES += -I$(PLATFORM_DIR)
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TOOL_DIR ?= $(BSP_BASE)/../toolchain/bin/
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LDFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI)
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LDFLAGS += -T $(LINKER_SCRIPT) -Wl,-Map=$(TARGET).map -nostartfiles
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LDFLAGS += -T $(LINKER_SCRIPT) -Wl,--no-warn-rwx-segments -Wl,-Map=$(TARGET).map -nostartfiles
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LDFLAGS += -L$(ENV_DIR)
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# --specs=nano.specs
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@ -4,7 +4,7 @@ ENTRY( _start )
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MEMORY
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{
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flash (rxai!w) : ORIGIN = 0x00000020, LENGTH = 1M
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flash (rxai!w) : ORIGIN = 0x00000000, LENGTH = 1M
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ram (wxa!ri) : ORIGIN = 0x10000000, LENGTH = 16K
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}
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@ -169,7 +169,6 @@ SECTIONS
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PROVIDE( _sp = . );
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} >ram AT>ram :ram
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#PROVIDE( tohost = 0x00018000 );
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PROVIDE( tohost = 0xfffffff0 );
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PROVIDE( fromhost = 0xfffffff8 );
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}
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@ -18,19 +18,19 @@
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ISA?=imc
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RISCV_ARCH:=rv32$(ISA)
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RISCV_ABI:=ilp32
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TRIPLET?=riscv64-unknown-elf
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# Flag : OUTFLAG
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# Use this flag to define how to to get an executable (e.g -o)
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OUTFLAG= -o
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# Flag : CC
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# Use this flag to define compiler to use
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CC = riscv32-unknown-elf-gcc
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CC = $(TRIPLET)-gcc
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# Flag : LD
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# Use this flag to define compiler to use
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LD = riscv32-unknown-elf-gcc
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LD = $(TRIPLET)-gcc
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# Flag : AS
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# Use this flag to define compiler to use
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AS = riscv32-unknown-elf-as
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AS = $(TRIPLET)-as
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# Flag : CFLAGS
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# Use this flag to define compiler options. Note, you can add compiler options from the command line using XCFLAGS="other flags"
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PORT_CFLAGS = -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -O3 -DCLOCKS_PER_SEC=10000000 -nostdlib -nostartfiles -nodefaultlibs \
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@ -44,7 +44,7 @@ SEPARATE_COMPILE=1
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# Flag : SEPARATE_COMPILE
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# You must also define below how to create an object file, and how to link.
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OBJOUT = -o
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LFLAGS =
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LFLAGS = -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI)
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#--specs=nano.specs -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI)
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ASFLAGS =
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OFLAG = -o
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@ -20,6 +20,5 @@ LDFLAGS := -g -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -mcmodel=medlow -Wl,--wrap
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TOOL_DIR=$(dir $(compiler))
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TRIPLET=riscv32-unknown-elf
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BSP_BASE = ../../bare-metal-bsp
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include $(BSP_BASE)/env/common-gcc.mk
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@ -16,7 +16,7 @@ void __wrap_scanf(const char* fmt, int* n)
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extern volatile uint32_t tohost;
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void __wrap_exit(int n){
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void exit(int n){
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tohost = 0x1;
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for (;;);
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}
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@ -1,5 +1,7 @@
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TARGET = hello
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ISA?=imc
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C_SRCS = $(wildcard *.c)
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HEADERS = $(wildcard *.h)
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OPT ?= -O2
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@ -7,8 +9,12 @@ CFLAGS += $(OPT) -g
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BOARD=iss
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LINK_TARGET=link
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RISCV_ARCH:=rv32e
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RISCV_ABI:=ilp32e
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RISCV_ARCH:=rv32$(ISA)
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ifeq ($(ISA),e)
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RISCV_ABI:=ilp32e
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else
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RISCV_ABI:=ilp32
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endif
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LDFLAGS += -g -Wl,--wrap=printf
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compiler := $(shell which riscv64-unknown-elf-gcc)
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