40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/**
|
|
* PROJECT: ExectOS
|
|
* COPYRIGHT: See COPYING.md in the top level directory
|
|
* FILE: xtoskrnl/ke/amd64/proc.c
|
|
* DESCRIPTION: AMD64 processor-related functionality for the kernel
|
|
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
|
|
*/
|
|
|
|
#include <xtos.h>
|
|
|
|
|
|
/**
|
|
* Gets the processor block for the currently executing processor.
|
|
*
|
|
* @return This routine returns the current processor block read from the GS register.
|
|
*
|
|
* @since XT 1.0
|
|
*/
|
|
XTAPI
|
|
PKPROCESSOR_BLOCK
|
|
KeGetCurrentProcessorBlock(VOID)
|
|
{
|
|
/* Get processor block from GS register */
|
|
return (PKPROCESSOR_BLOCK)ArReadGSQuadWord(FIELD_OFFSET(KPROCESSOR_BLOCK, Self));
|
|
}
|
|
|
|
/**
|
|
* Gets the processor control block for the currently executing processor.
|
|
*
|
|
* @return This routine returns the current processor control block read from the GS register.
|
|
*
|
|
* @since XT 1.0
|
|
*/
|
|
XTAPI
|
|
PKPROCESSOR_CONTROL_BLOCK
|
|
KeGetCurrentProcessorControlBlock(VOID)
|
|
{
|
|
return (PKPROCESSOR_CONTROL_BLOCK)ArReadGSQuadWord(FIELD_OFFSET(KPROCESSOR_BLOCK, Prcb));
|
|
}
|