#include <bios/bios.h>
#include "int32.h"

Include dependency graph for bios32p.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	BIOS_PIC_MASTER_INT 0x08

#define	BIOS_PIC_SLAVE_INT 0x70

#define	BIOS_EQUIPMENT_INTERRUPT 0x11

#define	BIOS_MEMORY_SIZE 0x12

#define	BIOS_MISC_INTERRUPT 0x15

#define	BIOS_ROM_BASIC 0x18

#define	BIOS_BOOTSTRAP_LOADER 0x19

#define	BIOS_TIME_INTERRUPT 0x1A

#define	BIOS_SYS_TIMER_INTERRUPT 0x1C

#define	RegisterBiosInt32(IntNumber, IntHandler)

Functions
VOID	EnableHwIRQ (UCHAR hwirq, EMULATOR_INT32_PROC func)

VOID	PicIRQComplete (BYTE IntNum)

Variables
CALLBACK16	BiosContext

Macro Definition Documentation

◆ BIOS_BOOTSTRAP_LOADER

#define BIOS_BOOTSTRAP_LOADER 0x19

Definition at line 27 of file bios32p.h.

◆ BIOS_EQUIPMENT_INTERRUPT

#define BIOS_EQUIPMENT_INTERRUPT 0x11

Definition at line 23 of file bios32p.h.

◆ BIOS_MEMORY_SIZE

#define BIOS_MEMORY_SIZE 0x12

Definition at line 24 of file bios32p.h.

◆ BIOS_MISC_INTERRUPT

#define BIOS_MISC_INTERRUPT 0x15

Definition at line 25 of file bios32p.h.

◆ BIOS_PIC_MASTER_INT

#define BIOS_PIC_MASTER_INT 0x08

Definition at line 20 of file bios32p.h.

◆ BIOS_PIC_SLAVE_INT

#define BIOS_PIC_SLAVE_INT 0x70

Definition at line 21 of file bios32p.h.

◆ BIOS_ROM_BASIC

#define BIOS_ROM_BASIC 0x18

Definition at line 26 of file bios32p.h.

◆ BIOS_SYS_TIMER_INTERRUPT

#define BIOS_SYS_TIMER_INTERRUPT 0x1C

Definition at line 29 of file bios32p.h.

◆ BIOS_TIME_INTERRUPT

#define BIOS_TIME_INTERRUPT 0x1A

Definition at line 28 of file bios32p.h.

◆ RegisterBiosInt32

#define RegisterBiosInt32	(	IntNumber,
		IntHandler
	)

Value:

do { \
    RegisterInt32(BiosContext.TrampolineFarPtr +    \
                  BiosContext.TrampolineSize   +    \
                  (IntNumber) * Int16To32StubSize,  \
                  (IntNumber), (IntHandler), NULL); \
} while(0);

Definition at line 34 of file bios32p.h.

Function Documentation

◆ EnableHwIRQ()

VOID EnableHwIRQ	(	UCHAR	hwirq,
		EMULATOR_INT32_PROC	func
	)

Definition at line 802 of file bios32.c.

{
    UCHAR vector;
 
    PicSetIRQMask(1 << hwirq, 0);
    if (hwirq < 8)
        vector = BIOS_PIC_MASTER_INT + hwirq;
    else
        vector = BIOS_PIC_SLAVE_INT  + hwirq - 8;
 
    RegisterBiosInt32(vector, func);
}

Referenced by BiosHwSetup(), KbdBios32Post(), and MouseBios32Post().

◆ PicIRQComplete()

VOID PicIRQComplete ( BYTE IntNum )

Definition at line 816 of file bios32.c.

{
    /*
     * If this was a PIC IRQ, send an End-of-Interrupt to the PIC.
     */
    if (IntNum >= BIOS_PIC_MASTER_INT && IntNum < BIOS_PIC_MASTER_INT + 8)
    {
        /* It was an IRQ from the master PIC */
        IOWriteB(PIC_MASTER_CMD, PIC_OCW2_EOI);
    }
    else if (IntNum >= BIOS_PIC_SLAVE_INT && IntNum < BIOS_PIC_SLAVE_INT + 8)
    {
        /* It was an IRQ from the slave PIC */
        IOWriteB(PIC_SLAVE_CMD , PIC_OCW2_EOI);
        IOWriteB(PIC_MASTER_CMD, PIC_OCW2_EOI);
    }
}

Referenced by BiosHandleMasterPicIRQ(), BiosHandleSlavePicIRQ(), BiosKeyboardIrq(), BiosMouseIrq(), BiosTimerIrq(), and DosMouseIrq().

Variable Documentation

◆ BiosContext

CALLBACK16 BiosContext

extern

Definition at line 45 of file bios32.c.

Referenced by Bios32Post(), BiosCharPrint(), BiosKeyboardIrq(), BiosMouseIrq(), BiosTimerIrq(), InitializeBiosInt32(), IntInt10CallBiosEmu(), and VbeService().

Macros

Functions

Variables