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Modified RV32F instructions to support 64-bit register file and added RV64F ISA extension

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This commit is contained in:
Santosh Raghav Srivatsan
2021-12-06 18:55:13 -05:00
parent 30a0d34151
commit e6eda67d0c
21 changed files with 459 additions and 316 deletions
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5
tests/runtime/hello/Makefile
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@@ -1,5 +1,4 @@
# RISCV_TOOLCHAIN_PATH ?= /opt/riscv-gnu-toolchain
RISCV_TOOLCHAIN_PATH = /nethome/ssrivatsan8/riscv32
RISCV_TOOLCHAIN_PATH ?= /opt/riscv-gnu-toolchain
VORTEX_RT_PATH ?= $(realpath ../../../runtime)
CC = $(RISCV_TOOLCHAIN_PATH)/bin/riscv32-unknown-elf-gcc
@@ -10,7 +9,7 @@ CP = $(RISCV_TOOLCHAIN_PATH)/bin/riscv32-unknown-elf-objcopy
CFLAGS += -march=rv32imf -mabi=ilp32f -O3 -Wstack-usage=1024 -ffreestanding -nostartfiles -fdata-sections -ffunction-sections
CFLAGS += -I$(VORTEX_RT_PATH)/include -I$(VORTEX_RT_PATH)/../hw
LDFLAGS += -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link.ld -Wl,--noinhibit-exec,--gc-sections $(VORTEX_RT_PATH)/libvortexrt.a
LDFLAGS += -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link.ld -Wl,--gc-sections $(VORTEX_RT_PATH)/libvortexrt.a
PROJECT = hello

8
tests/runtime/hello64/Makefile
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@@ -7,14 +7,16 @@ AR = $(RISCV64_TOOLCHAIN_PATH)/bin/riscv64-unknown-elf-gcc-ar
DP = $(RISCV64_TOOLCHAIN_PATH)/bin/riscv64-unknown-elf-objdump
CP = $(RISCV64_TOOLCHAIN_PATH)/bin/riscv64-unknown-elf-objcopy
CFLAGS += -march=rv64i -mabi=lp64 -O3 -Wstack-usage=1024 -ffreestanding -nostartfiles -fdata-sections -ffunction-sections
CFLAGS += -march=rv64imfd -mabi=lp64d -O3 -Wstack-usage=1024 -ffreestanding -nostartfiles -fdata-sections -ffunction-sections
CFLAGS += -I$(VORTEX_RT_PATH)/include -I$(VORTEX_RT_PATH)/../hw
LDFLAGS += -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link64.ld -Wl,--noinhibit-exec,--gc-sections $(VORTEX_RT_PATH)/libvortexrt.a
LDFLAGS += -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link64.ld -Wl,--gc-sections
# $(VORTEX_RT_PATH)/libvortexrt.a
PROJECT = hello64
SRCS = main.cpp
SRCS = main.cpp $(VORTEX_RT_PATH)/src/vx_start.S $(VORTEX_RT_PATH)/src/vx_syscalls.c
all: $(PROJECT).elf $(PROJECT).bin $(PROJECT).dump

2
tests/runtime/hello64/main.cpp
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@@ -2,7 +2,5 @@
int main()
{
printf("Hello World!\n");
return 0;
}

2
tests/runtime/simple64/Makefile
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@@ -10,7 +10,7 @@ CP = $(RISCV64_TOOLCHAIN_PATH)/bin/riscv64-unknown-elf-objcopy
CFLAGS += -march=rv64imfd -mabi=lp64d -O3 -Wstack-usage=1024 -ffreestanding -nostartfiles -fdata-sections -ffunction-sections
CFLAGS += -I$(VORTEX_RT_PATH)/include -I$(VORTEX_RT_PATH)/../hw
LDFLAGS += -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link64.ld -Wl,--noinhibit-exec,--gc-sections $(VORTEX_RT_PATH)/libvortexrt.a
LDFLAGS += -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link64.ld -Wl,--gc-sections $(VORTEX_RT_PATH)/libvortexrt.a
PROJECT = simple64