diff options
| author | Solomon Peachy <pizza@shaftnet.org> | 2019-01-01 23:27:24 -0500 |
|---|---|---|
| committer | Solomon Peachy <pizza@shaftnet.org> | 2019-01-01 23:30:44 -0500 |
| commit | 88cae9d13dcb7164d2445dca837ed76ac405ecd5 (patch) | |
| tree | 63835a00d8eca55cb5ec9fb6dfd097128220f046 | |
| parent | 7e7ca0c85847e0b7eff094710cc5167df4e852da (diff) | |
Coldfire: Don't clobber alwarm wakeup signal in dualboot mode
(See FS#7814 for details)
Change-Id: I6a09a8dfe1abc3a396ca8afe1dbbf1d203c7e3e2
| -rw-r--r-- | firmware/target/coldfire/crt0.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/firmware/target/coldfire/crt0.S b/firmware/target/coldfire/crt0.S index 5e73131894..34492ec853 100644 --- a/firmware/target/coldfire/crt0.S +++ b/firmware/target/coldfire/crt0.S @@ -46,6 +46,10 @@ start: lea MBAR2, %a1 move.l (%a1), %a0 /* store GPIO_READ result for button check in main() */ + tst.b 0x30000000 /* preloader sets this to 1 + if woke up due to RTC alarm */ + bne .loadrockbox + /* Wait ~3 seconds for ON-button release. We need roughly 300ns per iteration, so we check 10000000 times to reach the desired delay */ move.l #10000000, %d0 |