diff options
| author | Christian Cunningham <cc@localhost> | 2022-03-22 19:11:58 -0700 |
|---|---|---|
| committer | Christian Cunningham <cc@localhost> | 2022-03-22 19:11:58 -0700 |
| commit | 4e1880672f38ceb600c7dc7d3179dbb9f11f792d (patch) | |
| tree | fcdf214519d3a4c1d00a71053915a235f8d682ad /src/exceptions | |
| parent | 8c1d4830ae5f8c9ec6cb1fe3df41be3300a820bd (diff) | |
Working on time
Diffstat (limited to 'src/exceptions')
| -rw-r--r-- | src/exceptions/svc.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/exceptions/svc.S b/src/exceptions/svc.S index fdfe391..f833b5b 100644 --- a/src/exceptions/svc.S +++ b/src/exceptions/svc.S @@ -6,7 +6,7 @@ svc: // Get the SVC Exception # ldr r0, [lr, #-4] bic r0, #0xFF000000 - cmp r0, #7 + cmp r0, #9 // Check it is within our defined SVC bgt svc_exit //// Jump to the appropriate Call @@ -120,6 +120,10 @@ svc_000008: // Semaphore add # ldmfd sp!, {r0-r12,lr} b schedule b svc_exit +svc_000009: // SYS_TIME_2 + mrc p15, 0, r0, c14, c3, 0 + str r0, [sp, #0] + b svc_exit svc_exit: ldmfd sp!, {r0-r12,pc}^ @@ -133,3 +137,4 @@ svc_table: .word svc_000006 .word svc_000007 .word svc_000008 + .word svc_000009 |