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dev,arch-x86: Added softstrobe mode to intel8254 timer (#1447)

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This PR should fix the #1195
This commit is contained in:
Harshil Patel
2024-08-19 12:21:31 -07:00
committed by GitHub
parent 7413d3217c
commit ce4c2c6495
1 changed files with 4 additions and 1 deletions
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5
src/dev/intel_8254_timer.cc
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@@ -210,8 +210,10 @@ Intel8254Timer::Counter::setRW(int rw_val)
void void
Intel8254Timer::Counter::setMode(int mode_val) Intel8254Timer::Counter::setMode(int mode_val)
{ {
if (mode_val == SoftwareStrobe)
warn_once("SoftwareStrobe mode is used and it is not well tested\n");
if (mode_val != InitTc && mode_val != RateGen && if (mode_val != InitTc && mode_val != RateGen &&
mode_val != SquareWave) mode_val != SquareWave && mode_val != SoftwareStrobe)
panic("PIT mode %#x is not implemented: \n", mode_val); panic("PIT mode %#x is not implemented: \n", mode_val);
mode = mode_val; mode = mode_val;
@@ -292,6 +294,7 @@ Intel8254Timer::Counter::CounterEvent::process()
break; break;
case RateGen: case RateGen:
case SquareWave: case SquareWave:
case SoftwareStrobe:
setTo(counter->period); setTo(counter->period);
break; break;
default: default: