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vancouver: RTC support

This commit is contained in:
Markus Partheymueller 2012-11-02 11:08:57 +01:00 committed by Norman Feske
parent 5b1156a3e2
commit 3a533779e4
1 changed files with 23 additions and 3 deletions
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26
ports/src/vancouver/main.cc
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@ -49,6 +49,7 @@
#include <os/alarm.h>
#include <timer_session/connection.h>
#include <nova_cpu_session/connection.h>
#include <rtc_session/connection.h>
/* NOVA includes that come with Genode */
#include <nova/syscalls.h>
@ -56,6 +57,7 @@
/* NOVA userland includes */
#include <nul/vcpu.h>
#include <nul/motherboard.h>
#include <nul/service_timer.h>
#include <sys/hip.h>
/* local includes */
@ -1012,6 +1014,7 @@ class Machine : public StaticReceiver<Machine>
bool _alloc_fb_mem; /* For detecting FB alloc message */
Nic::Session *_nic;
Rtc::Session *_rtc;
public:
@ -1269,9 +1272,26 @@ class Machine : public StaticReceiver<Machine>
bool receive(MessageTime &msg)
{
// XXX: Use RTC time
msg.wallclocktime = 0;
msg.timestamp = 0;
Genode::Lock::Guard guard(*utcb_lock());
utcb_backup = *Genode::Thread_base::myself()->utcb();
if (!_rtc) {
try {
_rtc = new Rtc::Connection;
} catch (...) {
Logging::printf("No RTC present, returning dummy time.\n");
msg.wallclocktime = msg.timestamp = 0;
*Genode::Thread_base::myself()->utcb() = utcb_backup;
return true;
}
}
msg.wallclocktime = _rtc->get_current_time();
Logging::printf("Got time %llx\n", msg.wallclocktime);
msg.timestamp = _motherboard.clock()->clock(TimerProtocol::WALLCLOCK_FREQUENCY);
*Genode::Thread_base::myself()->utcb() = utcb_backup;
return true;
}