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From: Leif Lindholm <leif.lindholm@linaro.org>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
	Laszlo Ersek <lersek@redhat.com>
Subject: Re: [PATCH 3/3] ArmPlatformPkg, ArmVirtPkg: delete redundant PL031 functions
Date: Wed, 10 May 2017 17:02:44 +0100	[thread overview]
Message-ID: <20170510160244.GO1657@bivouac.eciton.net> (raw)
In-Reply-To: <CAKv+Gu9LjcLaqFan+y6cAu=sLsBMf2wYG8Vgwtd9nd+Jd30HJg@mail.gmail.com>

On Thu, May 04, 2017 at 07:10:40PM +0100, Ard Biesheuvel wrote:
> On 3 May 2017 at 22:38, Leif Lindholm <leif.lindholm@linaro.org> wrote:
> > Remove the functions now provided by EfiTimeBaseLib from
> > PL031RealTimeClockLib. Add EfiTimeBaseLib resolution to ArmVirtPkg
> > in same commit to prevent breakage.
> >
> > Cc: Laszlo Ersek <lersek@redhat.com>
> >
> > Contributed-under: TianoCore Contribution Agreement 1.0
> > Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
> 
> I'd rather you'd call it something that doesn't start with 'Efi' given
> that we usually reserve that for protocols and other prototypes that
> are defined by the UEFI spec.

Yes, good call.

> Other than that, this series looks fine to me
> 
> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

Thanks!
Pushed as d547b32..af5fed9

Required resulting updates for edk2-platforms/devel-OpenPlatformPkg
pushed as 43540a5.

/
    Leif

> > ---
> >  .../Include/Drivers/PL031RealTimeClock.h           |  11 --
> >  .../PL031RealTimeClockLib/PL031RealTimeClockLib.c  | 127 +--------------------
> >  .../PL031RealTimeClockLib.inf                      |   1 +
> >  ArmVirtPkg/ArmVirt.dsc.inc                         |   1 +
> >  4 files changed, 5 insertions(+), 135 deletions(-)
> >
> > diff --git a/ArmPlatformPkg/Include/Drivers/PL031RealTimeClock.h b/ArmPlatformPkg/Include/Drivers/PL031RealTimeClock.h
> > index 76fbd0eb82..812cd9b397 100644
> > --- a/ArmPlatformPkg/Include/Drivers/PL031RealTimeClock.h
> > +++ b/ArmPlatformPkg/Include/Drivers/PL031RealTimeClock.h
> > @@ -42,15 +42,4 @@
> >
> >  #define PL031_COUNTS_PER_SECOND                         1
> >
> > -// Define EPOCH (1970-JANUARY-01) in the Julian Date representation
> > -#define EPOCH_JULIAN_DATE                               2440588
> > -
> > -// Seconds per unit
> > -#define SEC_PER_MIN                                     ((UINTN)    60)
> > -#define SEC_PER_HOUR                                    ((UINTN)  3600)
> > -#define SEC_PER_DAY                                     ((UINTN) 86400)
> > -
> > -#define SEC_PER_MONTH                                   ((UINTN)  2,592,000)
> > -#define SEC_PER_YEAR                                    ((UINTN) 31,536,000)
> > -
> >  #endif
> > diff --git a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c b/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c
> > index 4aa448b528..9f115d383c 100644
> > --- a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c
> > +++ b/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c
> > @@ -36,6 +36,8 @@
> >
> >  #include <Drivers/PL031RealTimeClock.h>
> >
> > +#include <Library/EfiTimeBaseLib.h>
> > +
> >  #include <ArmPlatform.h>
> >
> >  STATIC CONST CHAR16           mTimeZoneVariableName[] = L"PL031RtcTimeZone";
> > @@ -110,129 +112,6 @@ InitializePL031 (
> >  }
> >
> >  /**
> > -  Converts Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC) to EFI_TIME
> > - **/
> > -VOID
> > -EpochToEfiTime (
> > -  IN  UINTN     EpochSeconds,
> > -  OUT EFI_TIME  *Time
> > -  )
> > -{
> > -  UINTN         a;
> > -  UINTN         b;
> > -  UINTN         c;
> > -  UINTN         d;
> > -  UINTN         g;
> > -  UINTN         j;
> > -  UINTN         m;
> > -  UINTN         y;
> > -  UINTN         da;
> > -  UINTN         db;
> > -  UINTN         dc;
> > -  UINTN         dg;
> > -  UINTN         hh;
> > -  UINTN         mm;
> > -  UINTN         ss;
> > -  UINTN         J;
> > -
> > -  J  = (EpochSeconds / 86400) + 2440588;
> > -  j  = J + 32044;
> > -  g  = j / 146097;
> > -  dg = j % 146097;
> > -  c  = (((dg / 36524) + 1) * 3) / 4;
> > -  dc = dg - (c * 36524);
> > -  b  = dc / 1461;
> > -  db = dc % 1461;
> > -  a  = (((db / 365) + 1) * 3) / 4;
> > -  da = db - (a * 365);
> > -  y  = (g * 400) + (c * 100) + (b * 4) + a;
> > -  m  = (((da * 5) + 308) / 153) - 2;
> > -  d  = da - (((m + 4) * 153) / 5) + 122;
> > -
> > -  Time->Year  = y - 4800 + ((m + 2) / 12);
> > -  Time->Month = ((m + 2) % 12) + 1;
> > -  Time->Day   = d + 1;
> > -
> > -  ss = EpochSeconds % 60;
> > -  a  = (EpochSeconds - ss) / 60;
> > -  mm = a % 60;
> > -  b = (a - mm) / 60;
> > -  hh = b % 24;
> > -
> > -  Time->Hour        = hh;
> > -  Time->Minute      = mm;
> > -  Time->Second      = ss;
> > -  Time->Nanosecond  = 0;
> > -
> > -}
> > -
> > -/**
> > -  Converts EFI_TIME to Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC)
> > - **/
> > -UINTN
> > -EfiTimeToEpoch (
> > -  IN  EFI_TIME  *Time
> > -  )
> > -{
> > -  UINTN a;
> > -  UINTN y;
> > -  UINTN m;
> > -  UINTN JulianDate;  // Absolute Julian Date representation of the supplied Time
> > -  UINTN EpochDays;   // Number of days elapsed since EPOCH_JULIAN_DAY
> > -  UINTN EpochSeconds;
> > -
> > -  a = (14 - Time->Month) / 12 ;
> > -  y = Time->Year + 4800 - a;
> > -  m = Time->Month + (12*a) - 3;
> > -
> > -  JulianDate = Time->Day + ((153*m + 2)/5) + (365*y) + (y/4) - (y/100) + (y/400) - 32045;
> > -
> > -  ASSERT (JulianDate >= EPOCH_JULIAN_DATE);
> > -  EpochDays = JulianDate - EPOCH_JULIAN_DATE;
> > -
> > -  EpochSeconds = (EpochDays * SEC_PER_DAY) + ((UINTN)Time->Hour * SEC_PER_HOUR) + (Time->Minute * SEC_PER_MIN) + Time->Second;
> > -
> > -  return EpochSeconds;
> > -}
> > -
> > -BOOLEAN
> > -IsLeapYear (
> > -  IN EFI_TIME   *Time
> > -  )
> > -{
> > -  if (Time->Year % 4 == 0) {
> > -    if (Time->Year % 100 == 0) {
> > -      if (Time->Year % 400 == 0) {
> > -        return TRUE;
> > -      } else {
> > -        return FALSE;
> > -      }
> > -    } else {
> > -      return TRUE;
> > -    }
> > -  } else {
> > -    return FALSE;
> > -  }
> > -}
> > -
> > -BOOLEAN
> > -DayValid (
> > -  IN  EFI_TIME  *Time
> > -  )
> > -{
> > -  STATIC CONST INTN DayOfMonth[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
> > -
> > -  if (Time->Day < 1 ||
> > -      Time->Day > DayOfMonth[Time->Month - 1] ||
> > -      (Time->Month == 2 && (!IsLeapYear (Time) && Time->Day > 28))
> > -     ) {
> > -    return FALSE;
> > -  }
> > -
> > -  return TRUE;
> > -}
> > -
> > -/**
> >    Returns the current time and date information, and the time-keeping capabilities
> >    of the hardware platform.
> >
> > @@ -431,7 +310,7 @@ LibSetTime (
> >         (Time->Year   > 9999) ||
> >         (Time->Month  < 1   ) ||
> >         (Time->Month  > 12  ) ||
> > -       (!DayValid (Time)    ) ||
> > +       (!IsDayValid (Time) ) ||
> >         (Time->Hour   > 23  ) ||
> >         (Time->Minute > 59  ) ||
> >         (Time->Second > 59  ) ||
> > diff --git a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf b/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf
> > index 3a98fc757e..41a4e6d6bd 100644
> > --- a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf
> > +++ b/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf
> > @@ -36,6 +36,7 @@
> >    PcdLib
> >    ArmPlatformSysConfigLib
> >    DxeServicesTableLib
> > +  EfiTimeBaseLib
> >    UefiRuntimeLib
> >
> >  [Guids]
> > diff --git a/ArmVirtPkg/ArmVirt.dsc.inc b/ArmVirtPkg/ArmVirt.dsc.inc
> > index e74eaf16e7..bc96709d8a 100644
> > --- a/ArmVirtPkg/ArmVirt.dsc.inc
> > +++ b/ArmVirtPkg/ArmVirt.dsc.inc
> > @@ -105,6 +105,7 @@
> >
> >    # ARM PL031 RTC Driver
> >    RealTimeClockLib|ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf
> > +  EfiTimeBaseLib|EmbeddedPkg/Library/EfiTimeBaseLib/EfiTimeBaseLib.inf
> >    # ARM PL011 UART Driver
> >    PL011UartLib|ArmPlatformPkg/Drivers/PL011Uart/PL011Uart.inf
> >    SerialPortLib|ArmVirtPkg/Library/FdtPL011SerialPortLib/FdtPL011SerialPortLib.inf
> > --
> > 2.11.0
> >


      reply	other threads:[~2017-05-10 16:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-03 21:38 [PATCH 0/3] Import a few items from OpenPlatformPkg Leif Lindholm
2017-05-03 21:38 ` [PATCH 1/3] EmbeddedPkg: import DesignWare EMMC driver Leif Lindholm
2017-05-03 21:38 ` [PATCH 2/3] EmbeddedPkg: import EfiTimeBaseLib Leif Lindholm
2017-05-03 21:38 ` [PATCH 3/3] ArmPlatformPkg, ArmVirtPkg: delete redundant PL031 functions Leif Lindholm
2017-05-04 18:10   ` Ard Biesheuvel
2017-05-10 16:02     ` Leif Lindholm [this message]

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