Skip to content
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

Disable core 0 SIO FIFO IRQ during core1 launch sequence #375

Merged
merged 1 commit into from
May 4, 2021
Merged

Disable core 0 SIO FIFO IRQ during core1 launch sequence #375

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
5 changes: 5 additions & 0 deletions src/rp2_common/pico_multicore/multicore.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -129,6 +129,9 @@ void multicore_launch_core1(void (*entry)(void)) {
void multicore_launch_core1_raw(void (*entry)(void), uint32_t *sp, uint32_t vector_table) {
uint32_t cmd_sequence[] = {0, 0, 1, (uintptr_t) vector_table, (uintptr_t) sp, (uintptr_t) entry};

bool enabled = irq_is_enabled(SIO_IRQ_PROC0);
irq_set_enabled(SIO_IRQ_PROC0, false);

uint seq = 0;
do {
uint cmd = cmd_sequence[seq];
Expand All @@ -142,6 +145,8 @@ void multicore_launch_core1_raw(void (*entry)(void), uint32_t *sp, uint32_t vect
// move to next state on correct response otherwise start over
seq = cmd == response ? seq + 1 : 0;
} while (seq < count_of(cmd_sequence));

irq_set_enabled(SIO_IRQ_PROC0, enabled);
}

#define LOCKOUT_MAGIC_START 0x73a8831eu
Expand Down