diff options
Diffstat (limited to 'src/exceptions/svc.S')
| -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 |