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Implement KeGetCurrentProcessorBlock() and KeGetCurrentProcessorControlBlock() routines for both amd64 and i686
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This commit is contained in:
Rafal Kupiec 2023-02-08 16:39:05 +01:00
parent d8c68ed003
commit 929d3dfae7
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
4 changed files with 87 additions and 0 deletions
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1
xtoskrnl/CMakeLists.txt
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@ -18,6 +18,7 @@ list(APPEND XTOSKRNL_SOURCE
${XTOSKRNL_SOURCE_DIR}/ke/globals.c
${XTOSKRNL_SOURCE_DIR}/ke/krnlinit.c
${XTOSKRNL_SOURCE_DIR}/ke/${ARCH}/krnlinit.c
${XTOSKRNL_SOURCE_DIR}/ke/${ARCH}/proc.c
${XTOSKRNL_SOURCE_DIR}/rtl/byteswap.c
${XTOSKRNL_SOURCE_DIR}/rtl/memory.c
${XTOSKRNL_SOURCE_DIR}/rtl/plist.c

8
xtoskrnl/includes/kepfuncs.h
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@ -12,6 +12,14 @@
#include <xtos.h>
XTAPI
PKPROCESSOR_BLOCK
KeGetCurrentProcessorBlock(VOID);
XTAPI
PKPROCESSOR_CONTROL_BLOCK
KeGetCurrentProcessorControlBlock(VOID);
XTAPI
VOID
KepArchInitialize(VOID);

39
xtoskrnl/ke/amd64/proc.c Normal file
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@ -0,0 +1,39 @@
/**
* 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));
}

39
xtoskrnl/ke/i686/proc.c Normal file
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@ -0,0 +1,39 @@
/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/ke/i686/proc.c
* DESCRIPTION: I686 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 FS register.
*
* @since XT 1.0
*/
XTAPI
PKPROCESSOR_BLOCK
KeGetCurrentProcessorBlock(VOID)
{
/* Get processor block from FS register */
return (PKPROCESSOR_BLOCK)ArReadFSDualWord(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 FS register.
*
* @since XT 1.0
*/
XTAPI
PKPROCESSOR_CONTROL_BLOCK
KeGetCurrentProcessorControlBlock(VOID)
{
return (PKPROCESSOR_CONTROL_BLOCK)ArReadFSDualWord(FIELD_OFFSET(KPROCESSOR_BLOCK, Prcb));
}