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[HAL][FREELDR] Fix system timer oscillator frequency on a Xbox (#2245)

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See https://xboxdevwiki.net/Porting_an_Operating_System_to_the_Xbox_HOWTO#Timer_Frequency
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disean 2020-01-14 23:47:36 +06:00 • committed by Hermès BÉLUSCA - MAÏTO
parent 7c93350e05
commit e5c0052466
2 changed files with 15 additions and 2 deletions
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7
boot/freeldr/freeldr/arch/i386/hardware.c
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@ -27,8 +27,13 @@ DBG_DEFAULT_CHANNEL(HWDETECT);
#define MILLISEC (10)
#define PRECISION (8)
#if defined(SARCH_XBOX)
#define CLOCK_TICK_RATE 1125000
#else
#define CLOCK_TICK_RATE 1193182
#endif
#define HZ (100)
#define CLOCK_TICK_RATE (1193182)
#define LATCH (CLOCK_TICK_RATE / HZ)
static unsigned int delay_count = 1;