essence-os/arch/x86_pc.h

56 lines
1.7 KiB
C

#ifndef ARCH_X86_PC_HEADER
#define ARCH_X86_PC_HEADER
#if !defined(ES_ARCH_X86_64) && !defined(ES_ARCH_X86_32)
#error Included x86_pc.h but not targeting x86_32 or x86_64.
#endif
// --------------------------------- Standardised IO ports.
#define IO_PIC_1_COMMAND (0x0020)
#define IO_PIC_1_DATA (0x0021)
#define IO_PIT_DATA (0x0040)
#define IO_PIT_COMMAND (0x0043)
#define IO_PS2_DATA (0x0060)
#define IO_PC_SPEAKER (0x0061)
#define IO_PS2_STATUS (0x0064)
#define IO_PS2_COMMAND (0x0064)
#define IO_RTC_INDEX (0x0070)
#define IO_RTC_DATA (0x0071)
#define IO_PIC_2_COMMAND (0x00A0)
#define IO_PIC_2_DATA (0x00A1)
#define IO_BGA_INDEX (0x01CE)
#define IO_BGA_DATA (0x01CF)
#define IO_ATA_1 (0x0170) // To 0x0177.
#define IO_ATA_2 (0x01F0) // To 0x01F7.
#define IO_COM_4 (0x02E8) // To 0x02EF.
#define IO_COM_2 (0x02F8) // To 0x02FF.
#define IO_ATA_3 (0x0376)
#define IO_VGA_AC_INDEX (0x03C0)
#define IO_VGA_AC_WRITE (0x03C0)
#define IO_VGA_AC_READ (0x03C1)
#define IO_VGA_MISC_WRITE (0x03C2)
#define IO_VGA_MISC_READ (0x03CC)
#define IO_VGA_SEQ_INDEX (0x03C4)
#define IO_VGA_SEQ_DATA (0x03C5)
#define IO_VGA_DAC_READ_INDEX (0x03C7)
#define IO_VGA_DAC_WRITE_INDEX (0x03C8)
#define IO_VGA_DAC_DATA (0x03C9)
#define IO_VGA_GC_INDEX (0x03CE)
#define IO_VGA_GC_DATA (0x03CF)
#define IO_VGA_CRTC_INDEX (0x03D4)
#define IO_VGA_CRTC_DATA (0x03D5)
#define IO_VGA_INSTAT_READ (0x03DA)
#define IO_COM_3 (0x03E8) // To 0x03EF.
#define IO_ATA_4 (0x03F6)
#define IO_COM_1 (0x03F8) // To 0x03FF.
#define IO_PCI_CONFIG (0x0CF8)
#define IO_PCI_DATA (0x0CFC)
// --------------------------------- Forward declarations.
uint8_t ACPIGetCenturyRegisterIndex();
uintptr_t GetBootloaderInformationOffset();
#endif