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lab4 tutorial updated and imported some docs from orginal YatCPU docs

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This commit is contained in:
PurplePower
2025-08-25 22:03:10 +08:00
parent bd3a38a3c1
commit aaa87c1fdf
121 changed files with 2368 additions and 163 deletions
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16
lab4/csrc/CMakeLists.txt
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@@ -3,8 +3,15 @@ cmake_minimum_required(VERSION 3.18)
project(yatcpu-programs C CXX ASM)
# Setting variables
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 --target=riscv32-unknown-elf -march=rv32i -mabi=ilp32")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -O0 --target=riscv32-unknown-elf -march=rv32i -mabi=ilp32")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -march=rv32i -mabi=ilp32")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -O0 -march=rv32i -mabi=ilp32")
if (CMAKE_C_COMPILER EQUAL "clang")
# append --target=riscv32-unknown-elf to flags
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --target=riscv32-unknown-elf")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} --target=riscv32-unknown-elf")
endif()
set(C_PROGRAMS tetris hello fibonacci quicksort paging tetris_mmu say_goodbye)
set(ASM_PROGRAMS mmio sb)
set(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/link.lds)
@@ -39,5 +46,10 @@ foreach(program IN LISTS C_PROGRAMS ASM_PROGRAMS PROGRAMS)
POST_BUILD
COMMAND ${CMAKE_OBJCOPY} ARGS ${OBJCOPY_ARGS} $<TARGET_FILE:${program}> ${CMAKE_SOURCE_DIR}/${DEST_DIR}/${program}.asmbin
)
add_custom_command(
TARGET ${program}
POST_BUILD
COMMAND ${CMAKE_OBJDUMP} ARGS -d $<TARGET_FILE:${program}> > ${CMAKE_SOURCE_DIR}/${DEST_DIR}/${program}.dump
)
endforeach()

3
lab4/csrc/build.bat
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@@ -1,3 +0,0 @@
rmdir /Q /S build
cmake -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake -G"NMake Makefiles" -B build .
cmake --build build

3
lab4/csrc/build.cl.bat Normal file
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@@ -0,0 +1,3 @@
rmdir /Q /S build
cmake -DCMAKE_TOOLCHAIN_FILE="./toolchain.cl.cmake" -G"NMake Makefiles" -B build .
cmake --build build

3
lab4/csrc/build.cl.sh Normal file
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@@ -0,0 +1,3 @@
#!/bin/sh
rm -rf build
cmake -DCMAKE_TOOLCHAIN_FILE=toolchain.cl.cmake -B build . && cmake --build build --parallel `nproc`

3
lab4/csrc/build.gnu.bat Normal file
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@@ -0,0 +1,3 @@
rmdir /Q /S build
cmake -DCMAKE_TOOLCHAIN_FILE="./toolchain.riscv-gnu.cmake" -G"Unix Makefiles" -B build .
cmake --build build

3
lab4/csrc/build.gnu.sh Normal file
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@@ -0,0 +1,3 @@
#!/bin/sh
rm -rf build
cmake -DCMAKE_TOOLCHAIN_FILE=toolchain.riscv-gnu.cmake -B build . && cmake --build build --parallel `nproc`

3
lab4/csrc/build.sh
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@@ -1,3 +0,0 @@
#!/bin/sh
rm -rf build
cmake -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake -B build . && cmake --build build --parallel `nproc`

2
lab4/csrc/fibonacci.c
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@@ -19,4 +19,6 @@ int fib(int a) {
int main() {
*(int *)(4) = fib(10);
*(int*)(0) = 0xbabecafe; // anchor for program finished
return 0;
}

41
lab4/csrc/say_goodbye.c
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@@ -15,30 +15,31 @@ void waste_some_time(int cycle) {
int main() {
// const char* s = "abcd";
const char* s = "Never gonna give you up~ Never gonna let you down~\n"
"Never gonna run around and~ desert you~\n";
// const char* s = "abcd";
const char* s = "Never gonna give you up~ Never gonna let you down~\n"
"Never gonna run around and~ desert you~\n";
while (1) {
while (1) {
// for (int i = 0; i < ; i++) {
// uart_send_char(s[i]);
// waste_some_time(100);
// }
const char *p = s;
while (*p != 0)
{
uart_send_char(*p);
p++;
waste_some_time(500);
}
// for (int i = 0; i < ; i++) {
// uart_send_char(s[i]);
// waste_some_time(100);
// }
const char *p = s;
while (*p != 0)
{
uart_send_char(*p);
p++;
waste_some_time(500);
break; // print once, but pressing CPU reset can print again
}
return 0;
waste_some_time(500);
break; // print once, but pressing CPU reset can print again
}
*(int*)(0) = 0xbabecafe; // anchor for program finished
return 0;
}

1
lab4/csrc/toolchain.cmake → lab4/csrc/toolchain.cl.cmake
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@@ -11,6 +11,7 @@ set(CMAKE_ASM_COMPILER clang)
set(CMAKE_ASM_COMPILER_TARGET ${triple})
set(CMAKE_AR llvm-ar CACHE FILEPATH "Archiver")
set(CMAKE_OBJCOPY llvm-objcopy)
set(CMAKE_OBJDUMP llvm-objdump)
set(CMAKE_C_FLAGS_INIT "-mno-relax")
set(CMAKE_CXX_FLAGS_INIT "-mno-relax")

21
lab4/csrc/toolchain.riscv-gnu.cmake Normal file
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@@ -0,0 +1,21 @@
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR riscv32)
set(triple riscv32-unknown-elf)
set(CMAKE_C_COMPILER riscv64-unknown-elf-gcc)
set(CMAKE_C_COMPILER_TARGET ${triple})
set(CMAKE_CXX_COMPILER riscv64-unknown-elf-g++)
set(CMAKE_CXX_COMPILER_TARGET ${triple})
set(CMAKE_ASM_COMPILER riscv64-unknown-elf-gcc)
set(CMAKE_ASM_COMPILER_TARGET ${triple})
# set(CMAKE_AR llvm-ar CACHE FILEPATH "Archiver")
set(CMAKE_OBJCOPY riscv64-unknown-elf-objcopy)
set(CMAKE_OBJDUMP riscv64-unknown-elf-objdump)
# set(CMAKE_C_FLAGS_INIT "-mno-relax")
# set(CMAKE_CXX_FLAGS_INIT "-mno-relax")
# set(CMAKE_ASM_FLAGS_INIT "-mno-relax")
set(CMAKE_EXE_LINKER_FLAGS_INIT "-nostdlib -static ")
set(CMAKE_MODULE_LINKER_FLAGS_INIT "-nostdlib -static")
set(CMAKE_SHARED_LINKER_FLAGS_INIT "-nostdlib -static")