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ArmPkg/ArmArchTimerLib: correct typos 

Some minor typographical problems were noticed during previous commits.
This change corrects those, and contains no functional modifications.
The changes are in comments, and one diagnostic message.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>
Reviewed-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
This commit is contained in:
Evan Lloyd 2016-03-03 11:55:21 +00:00 committed by Ard Biesheuvel
parent b843b3730d
commit f75cda7702
1 changed files with 8 additions and 8 deletions
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14
ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c
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@ -50,7 +50,7 @@ TimerConstructor (
if (PcdGet32 (PcdArmArchTimerFreqInHz) != 0) { if (PcdGet32 (PcdArmArchTimerFreqInHz) != 0) {
// //
// Check if ticks/uS is not 0. The Architectural timer runs at constant // Check if ticks/uS is not 0. The Architectural timer runs at constant
// frequency, irrespective of CPU frequency. According to General Timer // frequency, irrespective of CPU frequency. According to Generic Timer
// Ref manual, lower bound of the frequency is in the range of 1-10MHz. // Ref manual, lower bound of the frequency is in the range of 1-10MHz.
// //
ASSERT (TICKS_PER_MICRO_SEC); ASSERT (TICKS_PER_MICRO_SEC);
@ -69,7 +69,7 @@ TimerConstructor (
} }
// //
// Architectural Timer Frequency must be set in the Secure privileged // Architectural Timer Frequency must be set in Secure privileged
// mode (if secure extension is supported). // mode (if secure extension is supported).
// If the reset value (0) is returned, just ASSERT. // If the reset value (0) is returned, just ASSERT.
// //
@ -111,7 +111,7 @@ GetPlatformTimerFreq (
@param MicroSeconds The minimum number of microseconds to delay. @param MicroSeconds The minimum number of microseconds to delay.
@return The value of MicroSeconds inputted. @return The value of MicroSeconds input.
**/ **/
UINTN UINTN
@ -123,7 +123,7 @@ MicroSecondDelay (
UINT64 TimerTicks64; UINT64 TimerTicks64;
UINT64 SystemCounterVal; UINT64 SystemCounterVal;
// Calculate counter ticks that can represent requested delay: // Calculate counter ticks that represent requested delay:
// = MicroSeconds x TICKS_PER_MICRO_SEC // = MicroSeconds x TICKS_PER_MICRO_SEC
// = MicroSeconds x Frequency.10^-6 // = MicroSeconds x Frequency.10^-6
TimerTicks64 = DivU64x32 ( TimerTicks64 = DivU64x32 (
@ -139,7 +139,7 @@ MicroSecondDelay (
TimerTicks64 += SystemCounterVal; TimerTicks64 += SystemCounterVal;
// Wait until delay count is expired. // Wait until delay count expires.
while (SystemCounterVal < TimerTicks64) { while (SystemCounterVal < TimerTicks64) {
SystemCounterVal = ArmGenericTimerGetSystemCount (); SystemCounterVal = ArmGenericTimerGetSystemCount ();
} }
@ -230,12 +230,12 @@ GetPerformanceCounterProperties (
) )
{ {
if (StartValue != NULL) { if (StartValue != NULL) {
// Timer starts with the reload value // Timer starts at 0
*StartValue = (UINT64)0ULL ; *StartValue = (UINT64)0ULL ;
} }
if (EndValue != NULL) { if (EndValue != NULL) {
// Timer counts down to 0x0 // Timer counts up.
*EndValue = 0xFFFFFFFFFFFFFFFFUL; *EndValue = 0xFFFFFFFFFFFFFFFFUL;
} }