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| author | Christian Cunningham <cc@localhost> | 2022-03-18 16:02:08 -0700 |
|---|---|---|
| committer | Christian Cunningham <cc@localhost> | 2022-03-18 16:02:08 -0700 |
| commit | 1fbbb6f15fef8e958b57728d59d1912aeea7c7c6 (patch) | |
| tree | 9d009183e882f3a85393e2356bccaeb96ed6db92 /src/sys/schedule.S | |
| parent | 8b4a126ccca0694161bc3d0731f8b5c1ec66e5c8 (diff) | |
Supervisor Call to Add Thread
Diffstat (limited to 'src/sys/schedule.S')
| -rw-r--r-- | src/sys/schedule.S | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/sys/schedule.S b/src/sys/schedule.S index 6b3d3e1..a47252c 100644 --- a/src/sys/schedule.S +++ b/src/sys/schedule.S @@ -41,3 +41,13 @@ cleanup: kernel_usr_task_loop: wfe b kernel_usr_task_loop + +.globl add_thread +add_thread: + mrs r3, cpsr + and r3, #0x1F + cmp r3, #0x10 + beq 1f + b svc_add_thread +1: svc #3 + bx lr |