| David Brown | 902d617 | 2017-05-05 09:37:41 -0600 | [diff] [blame] | 1 | // Query the bootloader's capabilities. |
| 2 | |
| 3 | #[repr(u32)] |
| 4 | #[derive(Copy, Clone, Eq, PartialEq)] |
| 5 | #[allow(unused)] |
| 6 | pub enum Caps { |
| David Vincze | 2d736ad | 2019-02-18 11:50:22 +0100 | [diff] [blame^] | 7 | RSA2048 = (1 << 0), |
| 8 | EcdsaP224 = (1 << 1), |
| 9 | EcdsaP256 = (1 << 2), |
| 10 | SwapUpgrade = (1 << 3), |
| 11 | OverwriteUpgrade = (1 << 4), |
| 12 | EncRsa = (1 << 5), |
| 13 | EncKw = (1 << 6), |
| 14 | ValidatePrimarySlot = (1 << 7), |
| David Brown | 902d617 | 2017-05-05 09:37:41 -0600 | [diff] [blame] | 15 | } |
| 16 | |
| 17 | impl Caps { |
| 18 | pub fn present(self) -> bool { |
| 19 | let caps = unsafe { bootutil_get_caps() }; |
| 20 | (caps as u32) & (self as u32) != 0 |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | extern "C" { |
| 25 | fn bootutil_get_caps() -> Caps; |
| 26 | } |