warn when console is on

sw/deployer/src/main.rs

@@ -852,6 +852,23 @@ fn handle_sd_command(connection: Connection, command: &SDCommands) -> Result<(),
         }
     }
 
+    if sc64.is_console_powered_on()? {
+        println!(
+            "{}\n{}\n{}",
+            "========== [WARNING] ==========".bold().bright_yellow(),
+            "The console is powered on. To avoid potential data corruption it's strongly"
+                .bright_yellow(),
+            "recommended to access the SD card only when the console is powered off."
+                .bright_yellow()
+        );
+        let answer = prompt(format!("{}", "Continue anyways? [y/N] ".bold()));
+        if answer.to_ascii_lowercase() != "y" {
+            sc64.deinit_sd_card()?;
+            println!("{}", "SD card access aborted".red());
+            return Ok(());
+        }
+    }
+
     sc64.reset_state()?;
 
     sc64::ff::run(sc64, |ff| {

sw/deployer/src/sc64/mod.rs

@@ -14,7 +14,7 @@ pub use self::{
     link::list_local_devices,
     server::ServerEvent,
     types::{
-        AuxMessage, BootMode, ButtonMode, ButtonState, CicSeed, DataPacket, DdDiskState,
+        AuxMessage, BootMode, ButtonMode, ButtonState, CicSeed, CicStep, DataPacket, DdDiskState,
         DdDriveType, DdMode, DebugPacket, DiagnosticData, DiskPacket, DiskPacketKind,
         FpgaDebugData, ISViewer, MemoryTestPattern, MemoryTestPatternResult, SaveType,
         SaveWriteback, SdCardInfo, SdCardOpPacket, SdCardResult, SdCardStatus, SpeedTestDirection,
@@ -98,7 +98,7 @@ const SRAM_1M_LENGTH: usize = 128 * 1024;
 
 const BOOTLOADER_ADDRESS: u32 = 0x04E0_0000;
 
-const SD_CARD_BUFFER_ADDRESS: u32 = 0x03BA_0000; // Arbitrary offset in SDRAM memory
+const SD_CARD_BUFFER_ADDRESS: u32 = 0x03FE_0000; // Arbitrary offset in SDRAM memory
 const SD_CARD_BUFFER_LENGTH: usize = 128 * 1024; // Arbitrary length in SDRAM memory
 
 pub const SD_CARD_SECTOR_SIZE: usize = 512;
@@ -767,6 +767,14 @@ impl SC64 {
         self.command_state_reset()
     }
 
+    pub fn is_console_powered_on(&mut self) -> Result<bool, Error> {
+        let debug_data = self.command_fpga_debug_data_get()?;
+        Ok(match debug_data.cic_step {
+            CicStep::Unavailable | CicStep::PowerOff => false,
+            _ => true,
+        })
+    }
+
     pub fn backup_firmware(&mut self) -> Result<Vec<u8>, Error> {
         self.command_state_reset()?;
         let (status, length) = self.command_firmware_backup(FIRMWARE_ADDRESS_SDRAM)?;