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Implement ArFlushTlb() routine

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This commit is contained in:
Rafal Kupiec 2024-02-04 23:43:38 +01:00
parent abdb9b25db
commit 7727888087
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
4 changed files with 38 additions and 0 deletions
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15
xtoskrnl/ar/amd64/cpufunc.c
View File

@ -67,6 +67,21 @@ ArCpuId(IN OUT PCPUID_REGISTERS Registers)
return TRUE; return TRUE;
} }
/**
* Partially flushes the Translation Lookaside Buffer (TLB)
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTCDECL
VOID
ArFlushTlb()
{
/* Flush the TLB by resetting the CR3 */
ArWriteControlRegister(3, ArReadControlRegister(3));
}
/** /**
* Gets the address of the current stack register. * Gets the address of the current stack register.
* *

15
xtoskrnl/ar/i686/cpufunc.c
View File

@ -67,6 +67,21 @@ ArCpuId(IN OUT PCPUID_REGISTERS Registers)
return TRUE; return TRUE;
} }
/**
* Partially flushes the Translation Lookaside Buffer (TLB)
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTCDECL
VOID
ArFlushTlb()
{
/* Flush the TLB by resetting the CR3 */
ArWriteControlRegister(3, ArReadControlRegister(3));
}
/** /**
* Gets the address of the current stack register. * Gets the address of the current stack register.
* *

4
xtoskrnl/includes/amd64/ari.h
View File

@ -21,6 +21,10 @@ XTCDECL
BOOLEAN BOOLEAN
ArCpuId(IN OUT PCPUID_REGISTERS Registers); ArCpuId(IN OUT PCPUID_REGISTERS Registers);
XTCDECL
VOID
ArFlushTlb();
XTASSEMBLY XTASSEMBLY
XTCDECL XTCDECL
ULONG_PTR ULONG_PTR

4
xtoskrnl/includes/i686/ari.h
View File

@ -21,6 +21,10 @@ XTCDECL
BOOLEAN BOOLEAN
ArCpuId(IN OUT PCPUID_REGISTERS Registers); ArCpuId(IN OUT PCPUID_REGISTERS Registers);
XTCDECL
VOID
ArFlushTlb();
XTASSEMBLY XTASSEMBLY
XTCDECL XTCDECL
ULONG_PTR ULONG_PTR