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switch to RV32E

This commit is contained in:
marqs 2018-10-30 01:31:40 +02:00
parent f2405989e9
commit 76d69d19bf
11 changed files with 7449 additions and 7534 deletions
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4
README.md
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@ -26,11 +26,11 @@ Architecture
SW toolchain build procedure
--------------------------
1. Download, configure, build and install RISC-V toolchain with Newlib + multilib support:
1. Download, configure, build and install RISC-V toolchain with Newlib + RV32EMC support:
~~~~
git clone --recursive https://github.com/riscv/riscv-gnu-toolchain
cd riscv-gnu-toolchain
./configure --prefix=/opt/riscv --enable-multilib
./configure --prefix=/opt/riscv --with-arch=rv32emc --with-abi=ilp32e
sudo make # sudo needed if installing under default /opt/riscv location
~~~~
2. Compile custom binary to IHEX converter:

2
ossc.qsf
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@ -224,7 +224,7 @@ set_global_assignment -name ENABLE_SIGNALTAP OFF
set_global_assignment -name USE_SIGNALTAP_FILE output_files/ossc_la.stp
set_global_assignment -name FITTER_EFFORT "AUTO FIT"
set_global_assignment -name SEED 15
set_global_assignment -name SEED 16

4
software/ossc_sw.project
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@ -136,7 +136,7 @@
<CustomBuild Enabled="yes">
<Target Name="compile_image_debug">make APP_CFLAGS_DEBUG_LEVEL="-DDEBUG" generate_hex</Target>
<Target Name="compile_image_aud-debug">make ENABLE_AUDIO=y APP_CFLAGS_DEBUG_LEVEL="-DDEBUG" generate_hex</Target>
<Target Name="Ack BSP update">cd ../sys_controller_bsp &amp;&amp; touch public.mk Makefile</Target>
<Target Name="Ack BSP update">cd ../sys_controller_bsp &amp;&amp; touch bsp_timestamp</Target>
<RebuildCommand/>
<CleanCommand>make clean</CleanCommand>
<BuildCommand>make APP_CFLAGS_DEBUG_LEVEL="-DDEBUG"</BuildCommand>
@ -182,7 +182,7 @@
<Target Name="compile_image">make generate_hex</Target>
<Target Name="Build_jp">make OSDLANG=JP</Target>
<Target Name="Build_audio">make ENABLE_AUDIO=y</Target>
<Target Name="Ack BSP update">cd ../sys_controller_bsp &amp;&amp; touch public.mk Makefile</Target>
<Target Name="Ack BSP update">cd ../sys_controller_bsp &amp;&amp; touch bsp_timestamp</Target>
<RebuildCommand/>
<CleanCommand>make clean</CleanCommand>
<BuildCommand>make</BuildCommand>

8
software/sys_controller/Makefile
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@ -169,7 +169,7 @@ C_SRCS += ossc/utils.c
C_SRCS += ulibSD/sd_io.c
C_SRCS += ulibSD/spi_io.c
CXX_SRCS :=
ASM_SRCS := crt0.boot.S
ASM_SRCS := crt0.boot_E.S
# Path to root of object file tree.
@ -652,11 +652,11 @@ build_post_process :
# included makefile fragment.
#
ifeq ($(DEFAULT_CROSS_COMPILE),)
DEFAULT_CROSS_COMPILE := riscv64-unknown-elf-
DEFAULT_CROSS_COMPILE := riscv32-unknown-elf-
endif
ifeq ($(DEFAULT_STACKREPORT),)
DEFAULT_STACKREPORT := riscv64-unknown-elf-size
DEFAULT_STACKREPORT := riscv32-unknown-elf-size
endif
ifeq ($(DEFAULT_DOWNLOAD),)
@ -755,7 +755,7 @@ ifeq ($(MKDIR),)
MKDIR := $(DEFAULT_MKDIR)
endif
RV_OBJCOPY = riscv64-unknown-elf-objcopy
RV_OBJCOPY = riscv32-unknown-elf-objcopy
#------------------------------------------------------------------------------
# PATTERN RULES TO BUILD OBJECTS

87
software/sys_controller/crt0.boot_E.S Normal file
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@ -0,0 +1,87 @@
// Copyright 2017 ETH Zurich and University of Bologna.
// Copyright and related rights are licensed under the Solderpad Hardware
// License, Version 0.51 (the “License”); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://solderpad.org/licenses/SHL-0.51. Unless required by applicable law
// or agreed to in writing, software, hardware and materials distributed under
// this License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#include "pulpino.h"
#define EXCEPTION_STACK_SIZE 72
/* ========================================================= [ entry ] === */
.section .text
default_exc_handler:
jal x0, default_exc_handler
reset_handler:
/* set all registers to zero */
mv x1, x0
mv x2, x1
mv x3, x1
mv x4, x1
mv x5, x1
mv x6, x1
mv x7, x1
mv x8, x1
mv x9, x1
mv x10, x1
mv x11, x1
mv x12, x1
mv x13, x1
mv x14, x1
mv x15, x1
/* stack initilization */
la x2, _stack_start
_start:
.global _start
/* clear BSS */
la x14, _bss_start
la x15, _bss_end
bge x14, x15, zero_loop_end
zero_loop:
sw x0, 0(x14)
addi x14, x14, 4
ble x14, x15, zero_loop
zero_loop_end:
main_entry:
/* jump to alt_main program entry point */
jal alt_main
/* =================================================== [ exceptions ] === */
/* This section has to be down here, since we have to disable rvc for it */
.section .vectors, "ax"
.option norvc;
// external interrupts are handled by the same callback
// until compiler supports IRQ routines
.org 0x00
.rept 31
nop
.endr
jal x0, default_exc_handler
// reset vector
.org 0x80
jal x0, reset_handler
// illegal instruction exception
.org 0x84
jal x0, default_exc_handler
// ecall handler
.org 0x88
jal x0, default_exc_handler

14860
software/sys_controller/mem_init/sys_onchip_memory2_0.hex
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8
software/sys_controller_bsp/Makefile
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@ -112,10 +112,10 @@ SOPC_FILE := ../../sys.sopcinfo
#-------------------------------------------------------------------------------
# Archiver command. Creates library files.
AR = riscv64-unknown-elf-ar
AR = riscv32-unknown-elf-ar
# Assembler command. Note that CC is used for .S files.
AS = riscv64-unknown-elf-gcc
AS = riscv32-unknown-elf-gcc
# Custom flags only passed to the archiver. This content of this variable is
# directly passed to the archiver rather than the more standard "ARFLAGS". The
@ -139,10 +139,10 @@ BSP_CFLAGS_OPTIMIZATION = -Os
BSP_CFLAGS_WARNINGS = -Wall
# C compiler command.
CC = riscv64-unknown-elf-gcc -xc
CC = riscv32-unknown-elf-gcc -xc
# C++ compiler command.
CXX = riscv64-unknown-elf-gcc -xc++
CXX = riscv32-unknown-elf-gcc -xc++
# Command used to remove files during 'clean' target.
RM = rm -f

BIN
software/sys_controller_bsp/libhal_bsp.a
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2
software/sys_controller_bsp/public.mk
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@ -259,7 +259,7 @@ ALT_CPPFLAGS += -DSMALL_C_LIB
# or common. none
# setting hal.make.cflags_mgpopt is -mgpopt=global
#ALT_CFLAGS += -mgpopt=global
ALT_CFLAGS += -march=rv32imc -mabi=ilp32
ALT_CFLAGS += -march=rv32emc -mabi=ilp32e
# Enable BSP generation to query if SOPC system is big endian. If true ignores
# export of 'ALT_CFLAGS += -meb' to public.mk if big endian system. none

2
sys.qsys
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@ -725,7 +725,7 @@
<parameter name="AXI_USER_WIDTH" value="0" />
<parameter name="RISCY_RV32F" value="false" />
<parameter name="USE_ZERO_RISCY" value="true" />
<parameter name="ZERO_RV32E" value="false" />
<parameter name="ZERO_RV32E" value="true" />
<parameter name="ZERO_RV32M" value="true" />
</module>
<module name="timer_0" kind="altera_avalon_timer" version="17.1" enabled="1">

6
sys.sopcinfo
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@ -1,11 +1,11 @@
<?xml version="1.0" encoding="UTF-8"?>
<EnsembleReport name="sys" kind="sys" version="1.0" fabric="QSYS">
<!-- Format version 17.1 590 (Future versions may contain additional information.) -->
<!-- 2018.10.10.22:28:26 -->
<!-- 2018.10.29.20:53:41 -->
<!-- A collection of modules and connections -->
<parameter name="AUTO_GENERATION_ID">
<type>java.lang.Integer</type>
<value>1539199706</value>
<value>1540839221</value>
<derived>false</derived>
<enabled>true</enabled>
<visible>false</visible>
@ -12922,7 +12922,7 @@ the requested settings for a module instance. -->
</parameter>
<parameter name="ZERO_RV32E">
<type>boolean</type>
<value>false</value>
<value>true</value>
<derived>false</derived>
<enabled>true</enabled>
<visible>true</visible>