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More routines for performing atomic bitwise AND/OR/XOR operations
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Rafal Kupiec
2023-02-12 23:11:23 +01:00
parent 5a86d61b78
commit 9e5fb84412
2 changed files with 312 additions and 0 deletions
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252
xtoskrnl/rtl/atomic.c
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@@ -9,6 +9,90 @@
#include <xtos.h>
/**
* Performs an atomic bitwise AND operation on the 8-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise AND operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise AND operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
CHAR
RtlAtomicAnd8(IN VOLATILE PCHAR Address,
IN CHAR Mask)
{
return __sync_fetch_and_and(Address, Mask);
}
/**
* Performs an atomic bitwise AND operation on the 16-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise AND operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise AND operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
SHORT
RtlAtomicAnd16(IN VOLATILE PSHORT Address,
IN SHORT Mask)
{
return __sync_fetch_and_and(Address, Mask);
}
/**
* Performs an atomic bitwise AND operation on the 32-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise AND operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise AND operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONG
RtlAtomicAnd32(IN VOLATILE PLONG Address,
IN LONG Mask)
{
return __sync_fetch_and_and(Address, Mask);
}
/**
* Performs an atomic bitwise AND operation on the 64-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise AND operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise AND operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONGLONG
RtlAtomicAnd64(IN VOLATILE PLONGLONG Address,
IN LONGLONG Mask)
{
return __sync_fetch_and_and(Address, Mask);
}
/**
* Performs atomically compare exchange operation on the 8-bit value.
*
@@ -458,3 +542,171 @@ RtlAtomicIncrement64(IN VOLATILE PLONGLONG Address)
{
return __sync_add_and_fetch(Address, 1);
}
/**
* Performs an atomic bitwise OR operation on the 8-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise OR operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise OR operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
CHAR
RtlAtomicOr8(IN VOLATILE PCHAR Address,
IN CHAR Mask)
{
return __sync_fetch_and_or(Address, Mask);
}
/**
* Performs an atomic bitwise OR operation on the 16-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise OR operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise OR operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
SHORT
RtlAtomicOr16(IN VOLATILE PSHORT Address,
IN SHORT Mask)
{
return __sync_fetch_and_or(Address, Mask);
}
/**
* Performs an atomic bitwise OR operation on the 32-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise OR operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise OR operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONG
RtlAtomicOr32(IN VOLATILE PLONG Address,
IN LONG Mask)
{
return __sync_fetch_and_or(Address, Mask);
}
/**
* Performs an atomic bitwise OR operation on the 64-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise OR operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise OR operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONGLONG
RtlAtomicOr64(IN VOLATILE PLONGLONG Address,
IN LONGLONG Mask)
{
return __sync_fetch_and_or(Address, Mask);
}
/**
* Performs an atomic bitwise XOR operation on the 8-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise XOR operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise XOR operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
CHAR
RtlAtomicXor8(IN VOLATILE PCHAR Address,
IN CHAR Mask)
{
return __sync_fetch_and_xor(Address, Mask);
}
/**
* Performs an atomic bitwise XOR operation on the 16-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise XOR operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise XOR operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
SHORT
RtlAtomicXor16(IN VOLATILE PSHORT Address,
IN SHORT Mask)
{
return __sync_fetch_and_xor(Address, Mask);
}
/**
* Performs an atomic bitwise XOR operation on the 32-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise XOR operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise XOR operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONG
RtlAtomicXor32(IN VOLATILE PLONG Address,
IN LONG Mask)
{
return __sync_fetch_and_xor(Address, Mask);
}
/**
* Performs an atomic bitwise XOR operation on the 64-bit value.
*
* @param Address
* Supplies the address of the value on which the bitwise XOR operation is to be performed.
*
* @param Mask
* Supplies the mask with which the bitwise XOR operation is to be performed
*
* @return This routine returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONGLONG
RtlAtomicXor64(IN VOLATILE PLONGLONG Address,
IN LONGLONG Mask)
{
return __sync_fetch_and_xor(Address, Mask);
}