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Add definitions for PIT ports and APIC timer divisor configuration
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This commit is contained in:
Aiken Harris
2026-04-08 07:21:40 +02:00
parent adb591f8c7
commit f1476912f3
5 changed files with 42 additions and 0 deletions
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17
sdk/xtdk/amd64/hltypes.h
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@@ -62,6 +62,10 @@
/* PIC vector definitions */
#define PIC1_VECTOR_SPURIOUS 0x37
/* PIT ports definitions */
#define PIT_COMMAND_PORT 0x43
#define PIT_DATA_PORT0 0x40
/* Serial ports information */
#define COMPORT_ADDRESS {0x3F8, 0x2F8, 0x3E8, 0x2E8, 0x5F8, 0x4F8, 0x5E8, 0x4E8}
#define COMPORT_COUNT 8
@@ -139,6 +143,19 @@ typedef enum _APIC_REGISTER
APIC_EXT3LVTR = 0x53 /* Extended Interrupt 3 Local Vector Table */
} APIC_REGISTER, *PAPIC_REGISTER;
/* APIC Timer Divide enumeration list */
typedef enum _APIC_TIMER_DIVISOR
{
TIMER_DivideBy2 = 0,
TIMER_DivideBy4 = 1,
TIMER_DivideBy8 = 2,
TIMER_DivideBy16 = 3,
TIMER_DivideBy32 = 8,
TIMER_DivideBy64 = 9,
TIMER_DivideBy128 = 10,
TIMER_DivideBy1 = 11,
} APIC_TIMER_DIVISOR, *PAPIC_TIMER_DIVISOR;
/* I8259 PIC interrupt mode enumeration list */
typedef enum _PIC_I8259_ICW1_INTERRUPT_MODE
{

1
sdk/xtdk/amd64/xtstruct.h
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@@ -20,6 +20,7 @@ typedef enum _APIC_DM APIC_DM, *PAPIC_DM;
typedef enum _APIC_DSH APIC_DSH, *PAPIC_DSH;
typedef enum _APIC_MODE APIC_MODE, *PAPIC_MODE;
typedef enum _APIC_REGISTER APIC_REGISTER, *PAPIC_REGISTER;
typedef enum _APIC_TIMER_DIVISOR APIC_TIMER_DIVISOR, *PAPIC_TIMER_DIVISOR;
typedef enum _CPU_VENDOR CPU_VENDOR, *PCPU_VENDOR;
typedef enum _CPUID_FEATURES_EXTENDED CPUID_FEATURES_EXTENDED, *PCPUID_FEATURES_EXTENDED;
typedef enum _CPUID_FEATURES_STANDARD1 CPUID_FEATURES_STANDARD1, *PCPUID_FEATURES_STANDARD1;

17
sdk/xtdk/i686/hltypes.h
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@@ -69,6 +69,10 @@
/* PIC vector definitions */
#define PIC1_VECTOR_SPURIOUS 0x37
/* PIT ports definitions */
#define PIT_COMMAND_PORT 0x43
#define PIT_DATA_PORT0 0x40
/* Serial ports information */
#define COMPORT_ADDRESS {0x3F8, 0x2F8, 0x3E8, 0x2E8, 0x5F8, 0x4F8, 0x5E8, 0x4E8}
#define COMPORT_COUNT 8
@@ -146,6 +150,19 @@ typedef enum _APIC_REGISTER
APIC_EXT3LVTR = 0x53 /* Extended Interrupt 3 Local Vector Table */
} APIC_REGISTER, *PAPIC_REGISTER;
/* APIC Timer Divide enumeration list */
typedef enum _APIC_TIMER_DIVISOR
{
TIMER_DivideBy2 = 0,
TIMER_DivideBy4 = 1,
TIMER_DivideBy8 = 2,
TIMER_DivideBy16 = 3,
TIMER_DivideBy32 = 8,
TIMER_DivideBy64 = 9,
TIMER_DivideBy128 = 10,
TIMER_DivideBy1 = 11,
} APIC_TIMER_DIVISOR, *PAPIC_TIMER_DIVISOR;
/* I8259 PIC interrupt mode enumeration list */
typedef enum _PIC_I8259_ICW1_INTERRUPT_MODE
{

1
sdk/xtdk/i686/xtstruct.h
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@@ -20,6 +20,7 @@ typedef enum _APIC_DM APIC_DM, *PAPIC_DM;
typedef enum _APIC_DSH APIC_DSH, *PAPIC_DSH;
typedef enum _APIC_MODE APIC_MODE, *PAPIC_MODE;
typedef enum _APIC_REGISTER APIC_REGISTER, *PAPIC_REGISTER;
typedef enum _APIC_TIMER_DIVISOR APIC_TIMER_DIVISOR, *PAPIC_TIMER_DIVISOR;
typedef enum _CPU_VENDOR CPU_VENDOR, *PCPU_VENDOR;
typedef enum _CPUID_FEATURES_EXTENDED CPUID_FEATURES_EXTENDED, *PCPUID_FEATURES_EXTENDED;
typedef enum _CPUID_FEATURES_STANDARD1 CPUID_FEATURES_STANDARD1, *PCPUID_FEATURES_STANDARD1;

6
xtoskrnl/hl/data.cc
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@@ -32,3 +32,9 @@ HL_SCROLL_REGION_DATA HL::FrameBuffer::ScrollRegionData;
/* APIC mode */
APIC_MODE HL::Pic::ApicMode;
/* Kernel profiling interval */
ULONG HL::Timer::ProfilingInterval;
/* APIC timer frequency */
ULONG HL::Timer::TimerFrequency;