| 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 { | ||||
| 7 | RSA2048 = (1 << 0), | ||||
| 8 | EcdsaP224 = (1 << 1), | ||||
| 9 | EcdsaP256 = (1 << 2), | ||||
| 10 | SwapUpgrade = (1 << 3), | ||||
| 11 | OverwriteUpgrade = (1 << 4), | ||||
| 12 | } | ||||
| 13 | |||||
| 14 | impl Caps { | ||||
| 15 | pub fn present(self) -> bool { | ||||
| 16 | let caps = unsafe { bootutil_get_caps() }; | ||||
| 17 | (caps as u32) & (self as u32) != 0 | ||||
| 18 | } | ||||
| 19 | } | ||||
| 20 | |||||
| 21 | extern "C" { | ||||
| 22 | fn bootutil_get_caps() -> Caps; | ||||
| 23 | } | ||||