X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=src%2Fbootloader%2Fmain.rs;h=2ce598050464a12deedb8c32c94153ca319f653e;hb=727108edeb96e0b534c86d52ad3f7515b26c1798;hp=ca459fdc2eccf1c406b52b6423e8d40aab307be9;hpb=ba2d74b93676c335eb41cdb6d75978cf20a9340a;p=gps-watch.git diff --git a/src/bootloader/main.rs b/src/bootloader/main.rs index ca459fd..2ce5980 100644 --- a/src/bootloader/main.rs +++ b/src/bootloader/main.rs @@ -22,7 +22,7 @@ */ #![no_std] -#![crate_type="staticlib"] +#![no_main] #[link(name="libcommon.rlib")] extern crate common; @@ -35,12 +35,16 @@ use common::clock; use common::systick; use common::port; use common::gpio; +use common::watchdog; use common::usb_serial; type Reg32 = register::Register; extern { - fn jump_to_application(address: u32); + fn enable_interrupts(); + fn disable_interrupts(); + + fn jump_to_application(address: u32) -> !; } #[cfg(bootloader_type = "intermediate")] @@ -61,6 +65,12 @@ unsafe fn application_missing() -> bool { first_app_word.read() == 0xffffffff } +#[cfg(bootloader_type = "intermediate")] +fn bootloader_requested() -> bool { + true +} + +#[cfg(bootloader_type = "final")] fn bootloader_requested() -> bool { let start_ticks = systick::now(); @@ -73,8 +83,16 @@ fn bootloader_requested() -> bool { false } +#[inline(never)] +#[panic_handler] +fn panic(_info: &core::panic::PanicInfo) -> ! { + loop { + } +} + #[no_mangle] -pub unsafe extern fn main() { +pub unsafe extern "C" fn _start() -> ! { + watchdog::disable(); clock::configure(); systick::init(); port::init(); @@ -84,6 +102,8 @@ pub unsafe extern fn main() { port::set_af(port::PORTE, 24, 1); port::set_pull(port::PORTE, 24, port::Pull::Up); + enable_interrupts(); + if application_missing() || bootloader_requested() { usb_serial::init(0xf055, USB_PID); @@ -95,5 +115,9 @@ pub unsafe extern fn main() { usb_serial::shutdown(); } + disable_interrupts(); + + clock::reset(); + jump_to_application(APPLICATION_ADDR); }