added c source files back

This commit is contained in:
PurplePower
2024-01-23 21:35:09 +08:00
parent b3738b8f63
commit b9294c0bd1
4 changed files with 62 additions and 2 deletions

View File

@@ -5,7 +5,7 @@ project(yatcpu-programs C CXX ASM)
# Setting variables # Setting variables
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 --target=riscv32-unknown-elf -march=rv32i -mabi=ilp32") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 --target=riscv32-unknown-elf -march=rv32i -mabi=ilp32")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -O0 --target=riscv32-unknown-elf -march=rv32i -mabi=ilp32") set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -O0 --target=riscv32-unknown-elf -march=rv32i -mabi=ilp32")
set(C_PROGRAMS tetris hello fibonacci quicksort paging tetris_mmu) set(C_PROGRAMS tetris hello fibonacci quicksort paging tetris_mmu simpletest)
set(ASM_PROGRAMS mmio sb) set(ASM_PROGRAMS mmio sb)
set(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/link.lds) set(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/link.lds)
set(LINKER_FLAGS -T ${LINKER_SCRIPT}) set(LINKER_FLAGS -T ${LINKER_SCRIPT})

12
lab2/csrc/simpletest.c Normal file
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@@ -0,0 +1,12 @@
extern void enable_interrupt();
void trap_handler(void *epc, unsigned int cause){
*((int*)0x4) = 0x2022;
}
int main(){
*((int*)0x4) = 0xDEADBEEF;
enable_interrupt();
for(;;);
}

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@@ -6,7 +6,7 @@ project(yatcpu-programs C CXX ASM)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 --target=riscv32-unknown-elf -march=rv32i -mabi=ilp32") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 --target=riscv32-unknown-elf -march=rv32i -mabi=ilp32")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -O0 --target=riscv32-unknown-elf -march=rv32i -mabi=ilp32") set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -O0 --target=riscv32-unknown-elf -march=rv32i -mabi=ilp32")
set(C_PROGRAMS tetris hello fibonacci quicksort paging tetris_mmu) set(C_PROGRAMS tetris hello fibonacci quicksort paging tetris_mmu)
set(ASM_PROGRAMS mmio sb) set(ASM_PROGRAMS mmio sb hazard)
set(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/link.lds) set(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/link.lds)
set(LINKER_FLAGS -T ${LINKER_SCRIPT}) set(LINKER_FLAGS -T ${LINKER_SCRIPT})
set(OBJCOPY_ARGS -O binary -j .text -j .data) set(OBJCOPY_ARGS -O binary -j .text -j .data)

48
lab3/csrc/hazard.S Normal file
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@@ -0,0 +1,48 @@
# Copyright 2022 Canbin Huang
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the 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.
.globl _start
_start:
csrr a0, cycle
addi t0, zero, 1
sub t1, zero, t0
and t2, t0, t1
sw t2, 4(zero)
j skip1
or t2, t0, t1
xor t2, t0, t1
skip1:
addi t1, t2, 1
add t2, t1, t2
and t2, t1, t2
lw t2, 2(t2)
or t3, t1, t2
blt t2, t3, skip2
or t3, t0, t0
xor t3, t0, t1
skip2:
addi t4, zero, 3
bne t3, t4, skip1
sw t3, 8(zero)
auipc t4, 0
jalr t4, 8(t4)
jalr t4, 4(t4)
csrr a1, cycle
sub ra, a1, a0
loop:
j loop