[SC64][SW] sc64deployer: added SDRAM tests

sw/deployer/Cargo.lock

@@ -696,6 +696,12 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
 [[package]]
 name = "proc-macro-hack"
 version = "0.5.20+deprecated"
@@ -729,6 +735,36 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "rayon"
 version = "1.9.0"
@@ -810,6 +846,7 @@ dependencies = [
  "include-flate",
  "md5",
  "panic-message",
+ "rand",
  "rust-ini",
  "serial2",
  "serialport",

sw/deployer/Cargo.toml

@@ -19,6 +19,7 @@ image = "0.24.5"
 include-flate = { version = "0.2.0", features = ["stable"] }
 md5 = "0.7.0"
 panic-message = "0.3.0"
+rand = "0.8.5"
 rust-ini = "0.18.0"
 serial2 = "0.2.20"
 serialport = "4.3.0"

sw/deployer/src/main.rs

@@ -75,6 +75,9 @@ enum Commands {
         command: FirmwareCommands,
     },
 
+    /// Test SC64 hardware
+    Test,
+
     /// Expose SC64 device over network
     Server(ServerArgs),
 }
@@ -333,6 +336,7 @@ fn handle_command(command: &Commands, port: Option<String>, remote: Option<Strin
         Commands::Reset => handle_reset_command(connection),
         Commands::Set { command } => handle_set_command(connection, command),
         Commands::Firmware { command } => handle_firmware_command(connection, command),
+        Commands::Test => handle_test_command(connection),
         Commands::Server(args) => handle_server_command(connection, args),
     };
     match result {
@@ -781,7 +785,7 @@ fn handle_set_command(connection: Connection, command: &SetCommands) -> Result<(
             sc64.set_datetime(datetime)?;
             println!(
                 "SC64 RTC datetime synchronized to: {}",
-                datetime.format("%Y-%m-%d %H:%M:%S %Z").to_string().green()
+                datetime.format("%Y-%m-%d %H:%M:%S").to_string().green()
             );
         }
 
@@ -877,6 +881,96 @@ fn handle_firmware_command(
     }
 }
 
+fn handle_test_command(connection: Connection) -> Result<(), sc64::Error> {
+    let mut sc64 = init_sc64(connection, false)?;
+
+    println!("{}: SDRAM", "[SC64 Tests]".bold());
+
+    let sdram_tests = [
+        (sc64::MemoryTestType::OwnAddress, None),
+        (sc64::MemoryTestType::AllZeros, None),
+        (sc64::MemoryTestType::AllOnes, None),
+        (sc64::MemoryTestType::Random, None),
+        (sc64::MemoryTestType::Random, None),
+        (sc64::MemoryTestType::Random, None),
+        (sc64::MemoryTestType::AllZeros, Some(60)),
+        (sc64::MemoryTestType::AllOnes, Some(60)),
+        (sc64::MemoryTestType::Pattern(0x00010001), None),
+        (sc64::MemoryTestType::Pattern(0xFFFEFFFE), None),
+        (sc64::MemoryTestType::Pattern(0x00020002), None),
+        (sc64::MemoryTestType::Pattern(0xFFFDFFFD), None),
+        (sc64::MemoryTestType::Pattern(0x00040004), None),
+        (sc64::MemoryTestType::Pattern(0xFFFBFFFB), None),
+        (sc64::MemoryTestType::Pattern(0x00080008), None),
+        (sc64::MemoryTestType::Pattern(0xFFF7FFF7), None),
+        (sc64::MemoryTestType::Pattern(0x00100010), None),
+        (sc64::MemoryTestType::Pattern(0xFFEFFFEF), None),
+        (sc64::MemoryTestType::Pattern(0x00200020), None),
+        (sc64::MemoryTestType::Pattern(0xFFDFFFDF), None),
+        (sc64::MemoryTestType::Pattern(0x00400040), None),
+        (sc64::MemoryTestType::Pattern(0xFFBFFFBF), None),
+        (sc64::MemoryTestType::Pattern(0x00800080), None),
+        (sc64::MemoryTestType::Pattern(0xFF7FFF7F), None),
+        (sc64::MemoryTestType::Pattern(0x01000100), None),
+        (sc64::MemoryTestType::Pattern(0xFEFFFEFF), None),
+        (sc64::MemoryTestType::Pattern(0x02000200), None),
+        (sc64::MemoryTestType::Pattern(0xFDFFFDFF), None),
+        (sc64::MemoryTestType::Pattern(0x04000400), None),
+        (sc64::MemoryTestType::Pattern(0xFBFFFBFF), None),
+        (sc64::MemoryTestType::Pattern(0x08000800), None),
+        (sc64::MemoryTestType::Pattern(0xF7FFF7FF), None),
+        (sc64::MemoryTestType::Pattern(0x10001000), None),
+        (sc64::MemoryTestType::Pattern(0xEFFFEFFF), None),
+        (sc64::MemoryTestType::Pattern(0x20002000), None),
+        (sc64::MemoryTestType::Pattern(0xDFFFDFFF), None),
+        (sc64::MemoryTestType::Pattern(0x40004000), None),
+        (sc64::MemoryTestType::Pattern(0xBFFFBFFF), None),
+        (sc64::MemoryTestType::Pattern(0x80008000), None),
+        (sc64::MemoryTestType::Pattern(0x7FFF7FFF), None),
+        (sc64::MemoryTestType::AllZeros, Some(300)),
+        (sc64::MemoryTestType::AllOnes, Some(300)),
+    ];
+    let sdram_tests_count = sdram_tests.len();
+
+    let mut sdram_tests_failed = false;
+
+    for (i, (test_type, fade)) in sdram_tests.into_iter().enumerate() {
+        let fadeout_text = if let Some(fade) = fade {
+            format!(", fadeout {fade} seconds")
+        } else {
+            "".to_string()
+        };
+        print!(
+            " ({} / {sdram_tests_count}) Testing {test_type}{fadeout_text}... ",
+            i + 1
+        );
+        stdout().flush().unwrap();
+
+        let result = sc64.test_sdram(test_type, fade)?;
+
+        if let Some((address, (written, read))) = result.first_error {
+            sdram_tests_failed = true;
+            println!("{}", "error!".bright_red());
+            println!("  Found a mismatch at address 0x{address:08X}",);
+            println!("   0x{written:08X} (W) != 0x{read:08X} (R)");
+            println!("   Total errors found: {}", result.all_errors.len());
+        } else {
+            println!("{}", "ok".bright_green());
+        }
+    }
+
+    if sdram_tests_failed {
+        println!(
+            "{}",
+            "Some SDRAM tests failed, SDRAM chip might be defective".bright_red()
+        );
+    } else {
+        println!("{}", "All SDRAM tests passed without error".bright_green());
+    }
+
+    Ok(())
+}
+
 fn handle_server_command(connection: Connection, args: &ServerArgs) -> Result<(), sc64::Error> {
     let port = if let Connection::Local(port) = connection {
         port

sw/deployer/src/sc64/mod.rs

@@ -12,8 +12,8 @@ pub use self::{
     server::ServerEvent,
     types::{
         BootMode, ButtonMode, ButtonState, CicSeed, DataPacket, DdDiskState, DdDriveType, DdMode,
-        DebugPacket, DiagnosticData, DiskPacket, DiskPacketKind, FpgaDebugData, SaveType,
+        DebugPacket, DiagnosticData, DiskPacket, DiskPacketKind, FpgaDebugData, MemoryTestResult,
-        SaveWriteback, Switch, TvType,
+        MemoryTestType, SaveType, SaveWriteback, Switch, TvType,
     },
 };
 
@@ -26,10 +26,12 @@ use self::{
     },
 };
 use chrono::{DateTime, Local};
+use rand::Rng;
 use std::{
+    cmp::min,
     io::{Read, Seek, Write},
-    time::Instant,
+    thread::sleep,
-    {cmp::min, time::Duration},
+    time::{Duration, Instant},
 };
 
 pub struct SC64 {
@@ -748,6 +750,58 @@ impl SC64 {
         }
     }
 
+    pub fn test_sdram(
+        &mut self,
+        test_type: MemoryTestType,
+        fade: Option<u64>,
+    ) -> Result<MemoryTestResult, Error> {
+        let item_size = std::mem::size_of::<u32>();
+        let mut test_data = vec![0u32; SDRAM_LENGTH / item_size];
+
+        match test_type {
+            MemoryTestType::OwnAddress => {
+                for (index, item) in test_data.iter_mut().enumerate() {
+                    *item = (index * item_size) as u32;
+                }
+            }
+            MemoryTestType::AllZeros => test_data.fill(0x00000000u32),
+            MemoryTestType::AllOnes => test_data.fill(0xFFFFFFFFu32),
+            MemoryTestType::Pattern(pattern) => test_data.fill(pattern),
+            MemoryTestType::Random => rand::thread_rng().fill(&mut test_data[..]),
+        };
+
+        let raw_test_data: Vec<u8> = test_data.iter().flat_map(|v| v.to_be_bytes()).collect();
+        self.command_memory_write(SDRAM_ADDRESS, &raw_test_data)?;
+
+        if let Some(fade) = fade {
+            sleep(Duration::from_secs(fade));
+        }
+
+        let raw_check_data = self.command_memory_read(SDRAM_ADDRESS, SDRAM_LENGTH)?;
+        let check_data = raw_check_data
+            .chunks(4)
+            .map(|a| u32::from_be_bytes(a[0..4].try_into().unwrap()));
+
+        let all_errors: Vec<(usize, (u32, u32))> = test_data
+            .into_iter()
+            .zip(check_data)
+            .enumerate()
+            .filter(|(_, (a, b))| a != b)
+            .map(|(i, (a, b))| (i * item_size, (a, b)))
+            .collect();
+
+        let first_error = if all_errors.len() > 0 {
+            Some(all_errors.get(0).copied().unwrap())
+        } else {
+            None
+        };
+
+        return Ok(MemoryTestResult {
+            first_error,
+            all_errors,
+        });
+    }
+
     fn memory_read_chunked(
         &mut self,
         writer: &mut dyn Write,

sw/deployer/src/sc64/types.rs

@@ -983,6 +983,33 @@ impl Display for DiagnosticData {
     }
 }
 
+pub enum MemoryTestType {
+    OwnAddress,
+    AllZeros,
+    AllOnes,
+    Pattern(u32),
+    Random,
+}
+
+pub struct MemoryTestResult {
+    pub first_error: Option<(usize, (u32, u32))>,
+    pub all_errors: Vec<(usize, (u32, u32))>,
+}
+
+impl Display for MemoryTestType {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            MemoryTestType::OwnAddress => f.write_str("Own address"),
+            MemoryTestType::AllZeros => f.write_str("All zeros"),
+            MemoryTestType::AllOnes => f.write_str("All ones"),
+            MemoryTestType::Random => f.write_str("Random"),
+            MemoryTestType::Pattern(pattern) => {
+                f.write_fmt(format_args!("Pattern 0x{pattern:08X}"))
+            }
+        }
+    }
+}
+
 macro_rules! get_config {
     ($sc64:ident, $config:ident) => {{
         if let Config::$config(value) = $sc64.command_config_get(ConfigId::$config)? {