IOAPIC: Difference between revisions
Jump to navigation
Jump to search
| [unchecked revision] | [unchecked revision] |
Content deleted Content added
IOAPIC Sample C++ Driver |
mNo edit summary |
||
| Line 64: | Line 64: | ||
The register IOREGSEL is an MMIO register select register that is used to access all the other I/O APIC registers. The IOWIN register is the 'data' register. Once the IOREGSEL register has been set, the IOWIN register can be used to write or read the register in the IOREGSEL. The actual position in memory of the two registers is specified in the ACPI MADT Table and/or in the MP table. The IOREGSEL is at the address specified, and IOREGWIN is at the same address + 0x10. |
The register IOREGSEL is an MMIO register select register that is used to access all the other I/O APIC registers. The IOWIN register is the 'data' register. Once the IOREGSEL register has been set, the IOWIN register can be used to write or read the register in the IOREGSEL. The actual position in memory of the two registers is specified in the ACPI MADT Table and/or in the MP table. The IOREGSEL is at the address specified, and IOREGWIN is at the same address + 0x10. |
||
<source lang=" |
<source lang="cpp"> |
||
#define IOAPICID 0x00 |
#define IOAPICID 0x00 |
||