/*++
-Copyright (c) 2004 - 2006, Intel Corporation
-All rights reserved. This program and the accompanying materials
+Copyright (c) 2004 - 2009, Intel Corporation. All rights reserved.<BR>
+Portions copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
+This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
--*/
#include "SecMain.h"
+#include "Uefi.h"
#include "Library/UnixLib.h"
-static int settimer_initialized;
-static struct timeval settimer_timeval;
-static void (*settimer_callback)(UINT64 delta);
+#if defined(__APPLE__) || defined(MDE_CPU_X64)
+#include "Gasket.h"
+#endif
-static void
+int settimer_initialized;
+struct timeval settimer_timeval;
+void (*settimer_callback)(UINT64 delta);
+
+BOOLEAN gEmulatorInterruptEnabled = FALSE;
+
+
+void
settimer_handler (int sig)
{
struct timeval timeval;
- ((UINT64)settimer_timeval.tv_sec * 1000)
- (settimer_timeval.tv_usec / 1000);
settimer_timeval = timeval;
- if (settimer_callback)
+
+ if (settimer_callback) {
+#if defined(__APPLE__) || defined(MDE_CPU_X64)
+ ReverseGasketUint64 (settimer_callback, delta);
+#else
(*settimer_callback)(delta);
+#endif
+ }
}
-static
VOID
SetTimer (UINT64 PeriodMs, VOID (*CallBack)(UINT64 DeltaMs))
{
struct itimerval timerval;
+ UINT32 remainder;
if (!settimer_initialized) {
struct sigaction act;
act.sa_handler = settimer_handler;
act.sa_flags = 0;
sigemptyset (&act.sa_mask);
+ gEmulatorInterruptEnabled = TRUE;
if (sigaction (SIGALRM, &act, NULL) != 0) {
printf ("SetTimer: sigaction error %s\n", strerror (errno));
}
printf ("SetTimer: gettimeofday error %s\n", strerror (errno));
}
}
- timerval.it_value.tv_sec = PeriodMs / 1000;
- timerval.it_value.tv_usec = (PeriodMs % 1000) * 1000;
- timerval.it_value.tv_sec = PeriodMs / 1000;
+ timerval.it_value.tv_sec = DivU64x32(PeriodMs, 1000);
+ DivU64x32Remainder(PeriodMs, 1000, &remainder);
+ timerval.it_value.tv_usec = remainder * 1000;
+ timerval.it_value.tv_sec = DivU64x32(PeriodMs, 1000);
timerval.it_interval = timerval.it_value;
if (setitimer (ITIMER_REAL, &timerval, NULL) != 0) {
settimer_callback = CallBack;
}
+
+void
+UnixEnableInterrupt (void)
+{
+ sigset_t sigset;
+
+ gEmulatorInterruptEnabled = TRUE;
+ // Since SetTimer() uses SIGALRM we emulate turning on and off interrupts
+ // by enabling/disabling SIGALRM.
+ sigemptyset (&sigset);
+ sigaddset (&sigset, SIGALRM);
+ sigprocmask (SIG_UNBLOCK, &sigset, NULL);
+}
+
+
+void
+UnixDisableInterrupt (void)
+{
+ sigset_t sigset;
+
+ // Since SetTimer() uses SIGALRM we emulate turning on and off interrupts
+ // by enabling/disabling SIGALRM.
+ sigemptyset (&sigset);
+ sigaddset (&sigset, SIGALRM);
+ sigprocmask (SIG_BLOCK, &sigset, NULL);
+ gEmulatorInterruptEnabled = FALSE;
+}
+
+
+BOOLEAN
+UnixInterruptEanbled (void)
+{
+ return gEmulatorInterruptEnabled;
+}
+
+
+
void
msSleep (unsigned long Milliseconds)
{
- struct timespec ts;
+ struct timespec rq, rm;
+ struct timeval start, end;
+ unsigned long MicroSec;
+
+ rq.tv_sec = Milliseconds / 1000;
+ rq.tv_nsec = (Milliseconds % 1000) * 1000000;
- ts.tv_sec = Milliseconds / 1000;
- ts.tv_nsec = (Milliseconds % 1000) * 1000000;
+ //
+ // nanosleep gets interrupted by our timer tic.
+ // we need to track wall clock time or we will stall for way too long
+ //
+ gettimeofday (&start, NULL);
+ end.tv_sec = start.tv_sec + rq.tv_sec;
+ MicroSec = (start.tv_usec + rq.tv_nsec/1000);
+ end.tv_usec = MicroSec % 1000000;
+ if (MicroSec > 1000000) {
+ end.tv_sec++;
+ }
- while (nanosleep (&ts, &ts) != 0 && errno == EINTR)
- ;
+ while (nanosleep (&rq, &rm) == -1) {
+ if (errno != EINTR) {
+ break;
+ }
+ gettimeofday (&start, NULL);
+ if (start.tv_sec > end.tv_sec) {
+ break;
+ } if ((start.tv_sec == end.tv_sec) && (start.tv_usec > end.tv_usec)) {
+ break;
+ }
+ rq = rm;
+ }
}
void
tm = localtime (&t);
Time->Year = 1900 + tm->tm_year;
- Time->Month = tm->tm_mon;
+ Time->Month = tm->tm_mon + 1;
Time->Day = tm->tm_mday;
Time->Hour = tm->tm_hour;
Time->Minute = tm->tm_min;
Time->Second = tm->tm_sec;
Time->Nanosecond = 0;
- Time->TimeZone = timezone;
+ Time->TimeZone = GetTimeZone ();
Time->Daylight = (daylight ? EFI_TIME_ADJUST_DAYLIGHT : 0)
| (tm->tm_isdst > 0 ? EFI_TIME_IN_DAYLIGHT : 0);
}
-static void
+void
TzSet (void)
{
- static int done = 0;
+ STATIC int done = 0;
if (!done) {
tzset ();
done = 1;
return errno;
}
+
extern EFI_STATUS
UgaCreate(struct _EFI_UNIX_UGA_IO_PROTOCOL **UgaIo, CONST CHAR16 *Title);
EFI_UNIX_THUNK_PROTOCOL mUnixThunkTable = {
EFI_UNIX_THUNK_PROTOCOL_SIGNATURE,
+#if defined(__APPLE__) || defined(MDE_CPU_X64)
+//
+// Mac OS X requires the stack to be 16-byte aligned for IA-32. So on an OS X build
+// we add an assembly wrapper that makes sure the stack ges aligned.
+// This has the nice benfit of being able to run EFI ABI code, like the EFI shell
+// that is checked in to source control in the OS X version of the emulator
+//
+ GasketmsSleep, /* Sleep */
+ Gasketexit, /* Exit */
+ GasketSetTimer,
+ GasketGetLocalTime,
+ Gasketgmtime,
+ GasketGetTimeZone,
+ GasketGetDayLight,
+ Gasketpoll,
+ Gasketread,
+ Gasketwrite,
+ Gasketgetenv,
+ Gasketopen,
+ Gasketlseek,
+ Gasketftruncate,
+ Gasketclose,
+ Gasketmkdir,
+ Gasketrmdir,
+ Gasketunlink,
+ GasketGetErrno,
+ Gasketopendir,
+ Gasketrewinddir,
+ Gasketreaddir,
+ Gasketclosedir,
+ Gasketstat,
+ Gasketstatfs,
+ Gasketrename,
+ Gasketmktime,
+ Gasketfsync,
+ Gasketchmod,
+ Gasketutime,
+ Gaskettcflush,
+ GasketUgaCreate,
+ Gasketperror,
+ Gasketioctl,
+ Gasketfcntl,
+ Gasketcfsetispeed,
+ Gasketcfsetospeed,
+ Gaskettcgetattr,
+ Gaskettcsetattr,
+ GasketUnixPeCoffGetEntryPoint,
+ GasketUnixPeCoffRelocateImageExtraAction,
+ GasketUnixPeCoffUnloadImageExtraAction,
+
+ GasketUnixEnableInterrupt,
+ GasketUnixDisableInterrupt,
+
+ Gasketgetifaddrs,
+ Gasketfreeifaddrs,
+ Gasketsocket,
+
+#else
msSleep, /* Sleep */
exit, /* Exit */
SetTimer,
(UnixWrite)write,
getenv,
(UnixOpen)open,
- lseek,
- ftruncate,
+ (UnixSeek)lseek,
+ (UnixFtruncate)ftruncate,
close,
mkdir,
rmdir,
rewinddir,
readdir,
closedir,
- stat,
+ (UnixStat)stat,
statfs,
rename,
mktime,
cfsetispeed,
cfsetospeed,
tcgetattr,
- tcsetattr
+ tcsetattr,
+ SecPeCoffGetEntryPoint,
+ SecPeCoffRelocateImageExtraAction,
+ SecPeCoffLoaderUnloadImageExtraAction,
+ UnixEnableInterrupt,
+ UnixDisableInterrupt,
+ getifaddrs,
+ freeifaddrs,
+ socket
+#endif
};
projects / mirror_edk2.git / blobdiff