fix hello-world init

This commit is contained in:
Stanislaw Kaushanski 2021-04-09 11:19:05 +02:00
parent 9578bcfa45
commit 2a9ce332c7
4 changed files with 14 additions and 5 deletions

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@ -2,14 +2,22 @@
TARGET = hello
C_SRCS = $(wildcard *.c)
#HEADERS = $(wildcard *.h)
#CFLAGS += -O2
CFLAGS += -g
BOARD=freedom-e300-hifive1
LINK_TARGET=flash
RISCV_ARCH:=rv32i
RISCV_ABI:=ilp32
LDFLAGS := -Wl,--wrap=scanf -Wl,--wrap=printf -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI)
LDFLAGS := -Wl,--wrap=scanf -Wl,--wrap=printf -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -g
#TOOL_DIR?=/opt/shared/riscv/FreedomStudio/20180122/SiFive/riscv64-unknown-elf-gcc-20171231-x86_64-linux-centos6/bin
TOOL_DIR=/opt/shared/riscv/tools/Ubuntu/riscv64-unknown-elf-gcc-8.3.0-2020.04.1-x86_64-linux-ubuntu14/bin
TOOL_DIR?=/opt/shared/riscv/FreedomStudio/20180122/SiFive/riscv64-unknown-elf-gcc-20171231-x86_64-linux-centos6/bin
BSP_BASE = ./bsp
include $(BSP_BASE)/env/common.mk
.PHONY: all
all: $(TARGET).dump
$(TARGET).dump: $(TARGET)
$(TOOL_DIR)/$(TRIPLET)-objdump -d -S -C $< > $@

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@ -75,7 +75,7 @@ _start:
#else
sd ra, 8(sp)
#endif
call _init
/* argc = argv = 0 */
li a0, 0
li a1, 0

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@ -35,7 +35,8 @@ ref_sample_cnt = len(ref_data.split(","))
# create cpp file
f = open("../xspn_data.cpp", "w")
cpp_file = "#include <array>\n"
cpp_file += "#include <cmath>\n\n"
cpp_file += "#include <cmath>\n"
cpp_file += "#include <bits/stdint-uintn.h>\n\n"
# The results in the outputdata.txt file are not directly what comes out of the PE but the natural logarithm of it.
cpp_file += "constexpr auto ln2 = std::log(2);\n"
cpp_file += "std::array<uint8_t, " + str(input_sample_cnt) + "> input_data = {\n" + str(in_data) + "}; \n\n"