diff options
Diffstat (limited to 'src/exceptions/svc.S')
| -rw-r--r-- | src/exceptions/svc.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/exceptions/svc.S b/src/exceptions/svc.S index d1fcbc0..51c6479 100644 --- a/src/exceptions/svc.S +++ b/src/exceptions/svc.S @@ -18,6 +18,12 @@ svc_000000: cps #0x13 b svc_exit svc_000001: + mov r2, #0x3004 + movt r2, #0x3F00 + ldr r0, [r2, #4] // <- SYS_TIMER_CLO + ldr r1, [r2, #0] // <- SYS_TIMER_CHI + str r0, [sp] // Return value + str r1, [sp, #4] // Return value hi b svc_exit svc_000002: ldmfd sp!, {r0-r12,lr} |