finished lab1

This commit is contained in:
TOKISAKIX\21168
2023-12-12 22:14:02 +08:00
parent 0b16bb935b
commit d7c8c1b030
23 changed files with 1845 additions and 128 deletions

View File

@@ -32,16 +32,17 @@ class Top(binaryFilename: String = "say_goodbye.asmbin") extends Module {
// val hdmi_display = Module(new HDMIDisplay)
// val display = Module(new CharacterDisplay)
// val timer = Module(new Timer)
val uart = Module(new Uart(frequency = 32_000000, baudRate = 115200)) // 31M or 32M is good, 33M more error
// val uart = Module(new Uart(frequency = 32_000000, baudRate = 115200)) // 31M or 32M is good, 33M more error
val dummy = Module(new Dummy)
// display.io.bundle <> dummy.io.bundle
mem.io.bundle <> dummy.io.bundle
mem.io.debug_read_address := 0.U
// timer.io.bundle <> dummy.io.bundle
uart.io.bundle <> dummy.io.bundle
io.tx := uart.io.txd
uart.io.rxd := io.rx
// uart.io.bundle <> dummy.io.bundle
// io.tx := uart.io.txd
// uart.io.rxd := io.rx
io.tx := 0.U
val instruction_rom = Module(new InstructionROM(binaryFilename))
val rom_loader = Module(new ROMLoader(instruction_rom.capacity))
@@ -68,16 +69,24 @@ class Top(binaryFilename: String = "say_goodbye.asmbin") extends Module {
mem.io.instruction_address := cpu.io.instruction_address
cpu.io.instruction := mem.io.instruction
// when(!rom_loader.io.load_finished) {
// rom_loader.io.bundle <> mem.io.bundle
// cpu.io.memory_bundle.read_data := 0.U
// }.otherwise {
// rom_loader.io.bundle.read_data := 0.U
// when(cpu.io.deviceSelect === 2.U) {
// cpu.io.memory_bundle <> uart.io.bundle
// }.otherwise {
// cpu.io.memory_bundle <> mem.io.bundle
// }
// }
when(!rom_loader.io.load_finished) {
rom_loader.io.bundle <> mem.io.bundle
cpu.io.memory_bundle.read_data := 0.U
}.otherwise {
rom_loader.io.bundle.read_data := 0.U
when(cpu.io.deviceSelect === 2.U) { // deviceSelect = highest 3 bits of address, thus 0x4000_0000 is mapped to UART
cpu.io.memory_bundle <> uart.io.bundle
}.otherwise {
cpu.io.memory_bundle <> mem.io.bundle
}
cpu.io.memory_bundle <> mem.io.bundle
}
}