Differences

This shows you the differences between two versions of the page.

--- projects:panohax [2026/08/14 09:29] – [Flash Layout] q3k
+++ projects:panohax [2026/08/14 09:37] (current) – [Flash Layout] q3k
@@ Line 41: / Line 41: @@
 ==== Flash Layout ====
+(in bold our current best guess for what the bootchain needs to get to CBOOT.
 ^ Number ^ Start ^ Size ^ Name ^ Description ^
-| 1 | 17.4kB | 2097kB | BPF | BPMP Firmware? |
+| 1 | 17.4kB | 2097kB | **BPF** | TegraBoot (a.k.a. nvtboot) for BPMP |
-| 2 | 2115kB | 262kB | TBC | CBOOT 1st stage? |
+| 2 | 2115kB | 262kB | **TBC** | TegraBoot for CPU |
-| 3 | 2377kB | 262kB | TBC-B | CBOOT 1st stage backup? |
+| 3 | 2377kB | 262kB | TBC-B | TegraBoot for CPU, B-partition |
-| 4 | 2639kB | 2097kB | EBT | CBOOT |
+| 4 | 2639kB | 2097kB | **EBT** | CBOOT, loaded by TegraBoot |
-| 5 | 4736kB | 2097kB | RBL | CBOOT backup? same contents as EBT |
+| 5 | 4736kB | 2097kB | RBL | CBOOT, B-partition |
-| 6 | 6833kB | 2097kB | NCT | |
+| 6 | 6833kB | 2097kB | NCT | Non-volatile vital product data |
-| 7 | 8930kB | 6291kB | WB0 | "Warm Boot Firmware?" |
+| 7 | 8930kB | 6291kB | WB0 | Warm Boot Firmware for device unsuspend |
 | 8 | 15.2MB | 2097kB | DFI | all 0x00 |
-| 9 | 17.3MB | 4194kB | RP1 | DTB for CBOOT |
+| 9 | 17.3MB | 4194kB | **RP1** | DTB for CBOOT |
 | 10 | 21.5MB | 4194kB | RP2 | 0x24 random bytes, then 0x00 |
-| 11 | 25.7MB | 6291kB | TOS | "Trusted OS" |
+| 11 | 25.7MB | 6291kB | **TOS** | Trusted OS/Firmware, loaded by TegraBoot |
 | 12 | 32.0MB | 80.9kB | EKS | "Encrypted Key Storage" |
 | 13 | 32.1MB | 2097kB | UKS | all 0x00 |
 | 14 | 34.2MB | 2097kB | FB | all 0x00 |
 | 15 | 36.3MB | 134MB | BMP | Splashscreen partition |
-| 16 | 170MB | 26.7MB | SOS | Android Recovery image? |
+| 16 | 170MB | 26.7MB | SOS | Android Recovery image |
 | 17 | 197MB | 4194kB | DTB | DTB for Kernel |
 | 18 | 201MB | 26.7MB | LNX | Android Boot image ("boot" fastboot partition) |