Skip to content

fit: add support for 32MB images #37

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Oct 18, 2025
Merged

fit: add support for 32MB images #37

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions src/fit.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -112,16 +112,19 @@ impl TryFrom<u8> for EntryType {

const MAP_8M: usize = 0x007f_ffff;
const MAP_16M: usize = 0x00ff_ffff;
const MAP_32M: usize = 0x01ff_ffff;

const SIZE_8M: usize = 8 * 1024 * 1024;
const SIZE_16M: usize = 16 * 1024 * 1024;
const SIZE_32M: usize = 32 * 1024 * 1024;

// The flash is mapped so that it ends at 0xffff_ffff, so we need to
// map it to resolve pointers.
fn get_mapping(size: usize) -> usize {
match size {
SIZE_8M => MAP_8M,
SIZE_16M => MAP_16M,
SIZE_32M => MAP_32M,
_ => MAP_16M,
}
}
Expand Down