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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/exceptions | |
| parent | 8b4a126ccca0694161bc3d0731f8b5c1ec66e5c8 (diff) | |
Supervisor Call to Add Thread
Diffstat (limited to 'src/exceptions')
| -rw-r--r-- | src/exceptions/svc.S | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/exceptions/svc.S b/src/exceptions/svc.S index 8494281..d14344b 100644 --- a/src/exceptions/svc.S +++ b/src/exceptions/svc.S @@ -27,8 +27,15 @@ svc_000001: // SYS_TIME svc_000002: // Run Schedule ldmfd sp!, {r0-r12,lr} b schedule -svc_000003: // Unused - b svc_exit +svc_000003: // Add Thread + ldr r0, [sp, #0] + ldr r1, [sp, #4] + ldr r2, [sp, #8] + and r2, #0xFF + bl svc_add_thread + str r0, [sp, #0] + ldmfd sp!, {r0-r12,lr} + b schedule svc_000004: // Lock Lock (usr_r0 = struct Lock*) ldr r3, =scheduler ldr r2, [r3, #0] // struct Thread* rthread |