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bootloader addr corrections
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Robin Müller 2024-09-24 10:21:23 +02:00
parent 784a6d7146
commit ce7a8665a3
Signed by: muellerr
GPG Key ID: A649FB78196E3849
1 changed files with 17 additions and 10 deletions
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27
bootloader/src/main.rs
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@ -35,23 +35,30 @@ const CLOCK_FREQ: Hertz = Hertz::from_raw(50_000_000);
// Important bootloader addresses and offsets, vector table information. // Important bootloader addresses and offsets, vector table information.
const NVM_SIZE: u32 = 0x20000;
const BOOTLOADER_START_ADDR: u32 = 0x0; const BOOTLOADER_START_ADDR: u32 = 0x0;
const BOOTLOADER_CRC_ADDR: u32 = BOOTLOADER_END_ADDR - 2; const BOOTLOADER_CRC_ADDR: u32 = BOOTLOADER_END_ADDR - 2;
// This is also the maximum size of the bootloader. // This is also the maximum size of the bootloader.
const BOOTLOADER_END_ADDR: u32 = 0x3000; const BOOTLOADER_END_ADDR: u32 = 0x3000;
const APP_A_START_ADDR: u32 = BOOTLOADER_END_ADDR; const APP_A_START_ADDR: u32 = BOOTLOADER_END_ADDR;
const APP_A_SIZE_ADDR: u32 = APP_A_END_ADDR - 8; // 0x117F8 // 0x117F8
// Four bytes reserved, even when only 2 byte CRC is used. Leaves flexibility to switch to CRC32. const APP_A_SIZE_ADDR: u32 = APP_A_END_ADDR - 8;
const APP_A_CRC_ADDR: u32 = APP_A_END_ADDR - 4; // 0x117FC // Four bytes reserved, even when only 2 byte CRC is used. Leaves flexibility to switch to CRC32.
pub const APP_A_END_ADDR: u32 = APP_B_END_ADDR - BOOTLOADER_END_ADDR / 2; // 0x11800 // 0x117FC
// The actual size of the image which is relevant for CRC calculation. const APP_A_CRC_ADDR: u32 = APP_A_END_ADDR - 4;
// 0x11800
pub const APP_A_END_ADDR: u32 = APP_B_END_ADDR - BOOTLOADER_END_ADDR / 2;
// The actual size of the image which is relevant for CRC calculation.
const APP_B_START_ADDR: u32 = APP_A_END_ADDR; const APP_B_START_ADDR: u32 = APP_A_END_ADDR;
// The actual size of the image which is relevant for CRC calculation. // The actual size of the image which is relevant for CRC calculation.
const APP_B_SIZE_ADDR: u32 = APP_B_END_ADDR - 8; // 0x1FFF8 // 0x1FFF8
// Four bytes reserved, even when only 2 byte CRC is used. Leaves flexibility to switch to CRC32. const APP_B_SIZE_ADDR: u32 = APP_B_END_ADDR - 8;
const APP_B_CRC_ADDR: u32 = APP_B_END_ADDR - 4; // 0x1FFFC // Four bytes reserved, even when only 2 byte CRC is used. Leaves flexibility to switch to CRC32.
pub const APP_B_END_ADDR: u32 = 0x20000; // 0x1FFFC
pub const APP_IMG_SZ: u32 = APP_B_END_ADDR - APP_A_END_ADDR / 2; const APP_B_CRC_ADDR: u32 = APP_B_END_ADDR - 4;
// 0x20000
pub const APP_B_END_ADDR: u32 = NVM_SIZE;
pub const APP_IMG_SZ: u32 = (APP_B_END_ADDR - APP_A_START_ADDR) / 2;
static_assertions::const_assert!((APP_B_END_ADDR - BOOTLOADER_END_ADDR) % 2 == 0); static_assertions::const_assert!((APP_B_END_ADDR - BOOTLOADER_END_ADDR) % 2 == 0);