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Polprzewodnikowy 2021-11-25 23:11:36 +01:00
parent fe7b817d0e
commit 3d1daf3fc6
11 changed files with 223 additions and 46 deletions
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24
build.sh
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@ -25,9 +25,9 @@ SKIP_FPGA_REBUILD=false
build_cic () {
if [ "$BUILT_CIC" = true ]; then return; fi
pushd sw/cic
pushd sw/cic > /dev/null
avra UltraCIC-III.asm -D attiny45
popd
popd > /dev/null
BUILT_CIC=true
}
@ -35,12 +35,12 @@ build_cic () {
build_n64 () {
if [ "$BUILT_N64" = true ]; then return; fi
pushd sw/n64
pushd sw/n64 > /dev/null
if [ "$FORCE_CLEAN" = true ]; then
make clean
fi
make all -j
popd
make all -j USER_FLAGS="-D__SC64_VERSION=\"$__SC64_VERSION\""
popd > /dev/null
BUILT_N64=true
}
@ -48,12 +48,12 @@ build_n64 () {
build_riscv () {
if [ "$BUILT_RISCV" = true ]; then return; fi
pushd sw/riscv
pushd sw/riscv > /dev/null
if [ "$FORCE_CLEAN" = true ]; then
make clean -j
fi
make all
popd
make all USER_FLAGS="-D__SC64_VERSION=\"$__SC64_VERSION\""
popd > /dev/null
BUILT_RISCV=true
}
@ -64,13 +64,13 @@ build_fpga () {
build_n64
build_riscv
pushd fw
pushd fw > /dev/null
if [ "$SKIP_FPGA_REBUILD" = true ] && [ -f output_files/SummerCart64.sof ]; then
quartus_cpf -c SummerCart64.cof
else
quartus_sh --flow compile ./SummerCart64.qpf
fi
popd
popd > /dev/null
BUILT_FPGA=true
}
@ -80,11 +80,11 @@ build_update () {
build_fpga
pushd fw/output_files
pushd fw/output_files > /dev/null
cat sc64_firmware_ufm_auto.rpd sc64_firmware_cfm0_auto.rpd > SC64_update_tmp.bin
objcopy -I binary -O binary --reverse-bytes=4 SC64_update_tmp.bin SC64_update.bin
rm SC64_update_tmp.bin
popd
popd > /dev/null
BUILT_UPDATE=true
}

10
docker_build.sh
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@ -1,8 +1,18 @@
#!/bin/bash
GIT_SHA=$(git rev-parse --short HEAD)
GIT_TAG=$(git describe --tags --exact-match 2> /dev/null)
if [ ! -z "$GIT_TAG" ]; then
__SC64_VERSION="git tag: $GIT_TAG"
else
__SC64_VERSION="git sha: $GIT_SHA"
fi
docker run \
--rm \
--user $(id -u):$(id -g) \
--mount type=bind,src="$(pwd)",target="/workdir" \
-e __SC64_VERSION="$__SC64_VERSION" \
ghcr.io/polprzewodnikowy/sc64env:v1.2 \
./build.sh $@

2
fw/SummerCart64.cof
View File

@ -27,7 +27,7 @@
<verify_protect>0</verify_protect>
<epof>0</epof>
<ufm_source>2</ufm_source>
<ufm_filepath>../sw/n64/build/SummerLoader64.hex</ufm_filepath>
<ufm_filepath>../sw/n64/build/n64boot.hex</ufm_filepath>
<cfm0_filepath>../sw/riscv/build/governor.hex</cfm0_filepath>
<cfm0_file_start_addr>305152</cfm0_file_start_addr>
</MAX10_device_options>

62
sw/n64/Makefile
View File

@ -1,28 +1,56 @@
TOOLCHAIN = mips64-elf-
CC = $(TOOLCHAIN)gcc
CXX = $(TOOLCHAIN)g++
OBJCOPY = $(TOOLCHAIN)objcopy
OBJDUMP = $(TOOLCHAIN)objdump
SIZE = $(TOOLCHAIN)size
FLAGS = -march=vr4300 -mtune=vr4300 -falign-functions=32 $(USER_FLAGS)
CFLAGS = -Os -Wall -ffunction-sections -fdata-sections -ffreestanding -MMD -MP
LDFLAGS = -lc -nostartfiles -Wl,--gc-sections
SRC_DIR = src
BUILD_DIR = build
SOURCE_DIR = src
PROGRAM_NAME = SummerLoader64
include $(N64_INST)/include/n64.mk
SRC_FILES = startup.S main.c sc64.c boot.c crc32.c
src = main.c sc64.c boot.c crc32.c
SRCS = $(addprefix $(SRC_DIR)/, $(SRC_FILES))
OBJS = $(addprefix $(BUILD_DIR)/, $(notdir $(patsubst %,%.o,$(SRCS))))
DEPS = $(OBJS:.o=.d)
all: $(BUILD_DIR)/$(PROGRAM_NAME).hex
VPATH = $(SRC_DIR)
$(BUILD_DIR)/$(PROGRAM_NAME).elf: $(src:%.c=$(BUILD_DIR)/%.o)
$(@info $(shell mkdir -p ./$(BUILD_DIR) &> /dev/null))
$(PROGRAM_NAME).z64: N64_ROM_TITLE="$(PROGRAM_NAME)"
$(BUILD_DIR)/%.S.o: %.S
$(CC) -x assembler-with-cpp $(FLAGS) $(CFLAGS) -c $< -o $@
$(BUILD_DIR)/$(PROGRAM_NAME).hex: $(PROGRAM_NAME).z64
sed '$$ s/\x00*$$//' $(PROGRAM_NAME).z64 > $(BUILD_DIR)/$(PROGRAM_NAME)_stripped.z64
@if [ $$(stat -L -c %s $(BUILD_DIR)/$(PROGRAM_NAME)_stripped.z64) -gt 92160 ]; then\
echo "\n Error: stripped file size is larger than 90kB thus cannot fit inside FPGA flash.\n"; exit 1;\
fi
truncate --size=90k $(BUILD_DIR)/$(PROGRAM_NAME)_stripped.z64
$(N64_OBJCOPY) -I binary -O ihex $(BUILD_DIR)/$(PROGRAM_NAME)_stripped.z64 $(BUILD_DIR)/$(PROGRAM_NAME).hex
$(BUILD_DIR)/%.c.o: %.c
$(CC) $(FLAGS) $(CFLAGS) -c $< -o $@
$(BUILD_DIR)/n64boot.elf: $(OBJS) N64.ld
$(CXX) $(FLAGS) $(LDFLAGS) -TN64.ld $(OBJS) -o $@
@$(OBJDUMP) -D $@ > $(BUILD_DIR)/n64boot.lst
$(BUILD_DIR)/n64boot.bin: $(BUILD_DIR)/n64boot.elf
@$(OBJCOPY) -O binary $< $@
@truncate --size=90k $@
@chksum64 $@ > /dev/null
$(BUILD_DIR)/n64boot.hex: $(BUILD_DIR)/n64boot.bin
@$(OBJCOPY) -I binary -O ihex $< $@
print_size: $(BUILD_DIR)/n64boot.elf
@echo 'Size of modules:'
@$(SIZE) -B -d -t --common $(OBJS)
@echo 'Size of n64boot:'
@$(SIZE) -B -d $<
all: $(BUILD_DIR)/n64boot.hex print_size
clean:
rm -rf ./$(BUILD_DIR) ./$(PROGRAM_NAME).z64
@rm -rf ./$(BUILD_DIR)/*
-include $(wildcard $(BUILD_DIR)/*.d)
.PHONY: all clean print_size
.PHONY: all clean
-include $(DEPS)

47
sw/n64/N64.ld Normal file
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@ -0,0 +1,47 @@
MEMORY {
rdram (rwx) : org = 0x80300000, len = 1M
flash (r) : org = 0xB0000000, len = 90k
}
ENTRY(entry_handler)
SECTIONS {
.flash : {
KEEP(*(.text.bootcode));
} > flash
.text : {
*(.text.entry_handler)
*(.text .text.* .gnu.linkonce.t.*)
*(.rdata .rodata .rodata.* .gnu.linkonce.r.*)
} > rdram AT > flash
.data : {
. = ALIGN(8);
_sdata = .;
*(.data .data.* .gnu.linkonce.d.*)
. = ALIGN(8);
_ssdata = .;
*(.sdata .sdata.* .gnu.linkonce.s.*)
*(.lit8)
*(.lit4)
} > rdram AT > flash
.bss : {
. = ALIGN(8);
_sbss = .;
*(.sbss .sbss.* .gnu.linkonce.sb.*)
*(.scommon .scommon.*)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(8);
_ebss = .;
} > rdram
/DISCARD/ : {
*(.MIPS.*)
}
_gp = MIN(_ssdata + 0x8000, MAX(_sdata + 0x8000, _ebss - 0x8000));
_sp = ORIGIN(rdram) + LENGTH(rdram);
}

BIN
sw/n64/blob/ipl3.bin Normal file
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Binary file not shown.

71
sw/n64/src/startup.S Normal file
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@ -0,0 +1,71 @@
#define STR(x) #x
#define XSTR(s) STR(s)
#define VERSION XSTR(__SC64_VERSION)
.section .text.bootcode
header_pi_config:
.word 0x80371240
header_clock_rate:
.word 0x0000000F
header_load_addr:
.word entry_handler
header_release_addr:
.word 0x00000000
header_crc:
.fill 2, 4, 0
.org 0x18, 0x00
header_text_info:
.ascii "byMFinPL"
.ascii "SummerLoader64 "
.ascii VERSION
.org 0x40, 0x20
ipl3:
.incbin "blob/ipl3.bin"
.section .text.entry_handler
.set noreorder
entry_handler:
.global entry_handler
li $a0, 0x08
sw $a0, 0xBFC007FC
la $gp, _gp
la $sp, _sp
init_bss:
la $a0, _sbss
la $a1, _ebss
bge $a0, $a1, 2f
nop
1:
sd $zero, 0($a0)
addi $a0, $a0, 8
blt $a0, $a1, 1b
nop
2:
init_bss_cache:
la $a0, _sbss
la $a1, _ebss
bge $a0, $a1, 2f
nop
1:
cache 0x15, 0($a0)
addi $a0, $a0, 16
blt $a0, $a1, 1b
nop
2:
run:
j main
nop

2
sw/pc/sc64.py
View File

@ -442,7 +442,7 @@ if __name__ == "__main__":
print(f"Setting CIC seed to [{hex(cic_seed) if cic_seed != 0xFFFF else 'Unknown'}]")
sc64.set_cic_seed(cic_seed)
print(f"Setting 64DD emulation to [{'Enabled' if skip_bootloader else 'Disabled'}]")
print(f"Setting 64DD emulation to [{'Enabled' if dd_enable else 'Disabled'}]")
sc64.set_dd_enable(dd_enable)
if (rom_file):

31
sw/riscv/Makefile
View File

@ -1,5 +1,6 @@
TOOLCHAIN = riscv32-unknown-elf-
CC = $(TOOLCHAIN)gcc
CXX = $(TOOLCHAIN)g++
OBJCOPY = $(TOOLCHAIN)objcopy
OBJDUMP = $(TOOLCHAIN)objdump
SIZE = $(TOOLCHAIN)size
@ -21,27 +22,33 @@ VPATH = $(SRC_DIR)
$(@info $(shell mkdir -p ./$(BUILD_DIR) &> /dev/null))
all: $(BUILD_DIR)/governor.hex
$(BUILD_DIR)/%.S.o: %.S
$(CC) -x assembler-with-cpp $(FLAGS) $(CFLAGS) -c $< -o $@
$(BUILD_DIR)/%.c.o: %.c
$(CC) $(FLAGS) $(CFLAGS) -c $< -o $@
$(BUILD_DIR)/%.S.o: %.S
$(CC) -x assembler $(FLAGS) $(CFLAGS) -c $< -o $@
$(BUILD_DIR)/governor.elf: $(OBJS) SC64.ld
$(CXX) $(FLAGS) $(LDFLAGS) -TSC64.ld $(OBJS) -o $@
@$(OBJDUMP) -D $@ > $(BUILD_DIR)/governor.lst
$(BUILD_DIR)/governor.hex: $(OBJS) SC64.ld
$(CC) $(FLAGS) $(LDFLAGS) -TSC64.ld $(OBJS) -o $(BUILD_DIR)/governor.elf
$(OBJDUMP) -D $(BUILD_DIR)/governor.elf > $(BUILD_DIR)/governor.map
$(OBJCOPY) -O binary $(BUILD_DIR)/governor.elf $(BUILD_DIR)/governor.bin
$(OBJCOPY) -I binary -O ihex $(BUILD_DIR)/governor.bin $@
$(BUILD_DIR)/governor.bin: $(BUILD_DIR)/governor.elf
@$(OBJCOPY) -O binary $< $@
$(BUILD_DIR)/governor.hex: $(BUILD_DIR)/governor.bin
@$(OBJCOPY) -I binary -O ihex $< $@
print_size: $(BUILD_DIR)/governor.elf
@echo 'Size of modules:'
@$(SIZE) -B -t --common $(OBJS)
@$(SIZE) -B -d -t --common $(OBJS)
@echo 'Size of governor:'
@$(SIZE) -B $(BUILD_DIR)/governor.elf
@$(SIZE) -B -d $<
all: $(BUILD_DIR)/governor.hex print_size
clean:
rm -rf ./$(BUILD_DIR)/*
@rm -rf ./$(BUILD_DIR)/*
.PHONY: all clean
.PHONY: all clean print_size
-include $(DEPS)

4
sw/riscv/SC64.ld
View File

@ -15,7 +15,7 @@ SECTIONS {
. = ALIGN(4);
_stext = .;
*(.text .text.* .gnu.linkonce.t.*)
*(.rodata .rodata.* .gnu.linkonce.r.*)
*(.rdata .rodata .rodata.* .gnu.linkonce.r.*)
. = ALIGN(4);
_etext = .;
} > ram AT > rom
@ -37,7 +37,7 @@ SECTIONS {
. = ALIGN(4);
_sbss = .;
*(.sbss .sbss.* .gnu.linkonce.sb.*)
*(.scommon)
*(.scommon .scommon.*)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(4);

16
sw/riscv/src/startup.S
View File

@ -1,5 +1,8 @@
.section .text.reset_handler
#define STR(x) #x
#define XSTR(s) STR(s)
#define VERSION XSTR(__SC64_VERSION)
.section .text.reset_handler
reset_handler:
.global reset_handler
@ -10,6 +13,17 @@ reset_handler:
la sp, __stack_pointer$
j init_text
.org 0x18, 0x00
header_text_info:
.ascii "byMFinPL"
.ascii "SummerGovernor64"
.ascii VERSION
.org 0x40, 0x20
init_text:
la a0, _sitext
la a1, _stext