feat: add PlatformInfo::Fdt for transitioning to FDTs

Signed-off-by: Martin Kröning <[email protected]>

src/boot_info/kernel.rs

@@ -89,6 +89,7 @@ impl From<RawPlatformInfo> for PlatformInfo {
                     boot_params_addr,
                 }
             }
+            RawPlatformInfo::Fdt => Self::Fdt,
         }
     }
 }

src/boot_info/loader.rs

@@ -66,6 +66,7 @@ impl From<PlatformInfo> for RawPlatformInfo {
                 command_line_len: command_line.map(|s| s.len() as u64).unwrap_or(0),
                 boot_params_addr,
             },
+            PlatformInfo::Fdt => Self::Fdt,
         }
     }
 }

src/boot_info/mod.rs

@@ -109,6 +109,11 @@ pub enum PlatformInfo {
         /// Address to Linux boot parameters.
         boot_params_addr: core::num::NonZeroU64,
     },
+    /// FDT.
+    ///
+    /// This is a transitional platform for migrating to FDTs.
+    /// The real platform information is stored in [`HardwareInfo::device_tree`].
+    Fdt,
 }
 
 /// Thread local storage (TLS) image information.
@@ -192,4 +197,5 @@ enum RawPlatformInfo {
         command_line_len: u64,
         boot_params_addr: core::num::NonZeroU64,
     },
+    Fdt,
 }