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Implement routines for performing atomic operations
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This commit is contained in:
Rafal Kupiec 2023-02-12 22:46:58 +01:00
parent b43afac326
commit 5a86d61b78
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
3 changed files with 568 additions and 0 deletions
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107
sdk/xtdk/rtlfuncs.h
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@ -14,6 +14,113 @@
#include <xttypes.h>
XTFASTCALL
CHAR
RtlAtomicCompareExchange8(IN VOLATILE PCHAR Address,
IN CHAR Comperand,
IN CHAR Exchange);
XTFASTCALL
SHORT
RtlAtomicCompareExchange16(IN VOLATILE PSHORT Address,
IN SHORT Comperand,
IN SHORT Exchange);
XTFASTCALL
LONG
RtlAtomicCompareExchange32(IN VOLATILE PLONG Address,
IN LONG Comperand,
IN LONG Exchange);
XTFASTCALL
LONGLONG
RtlAtomicCompareExchange64(IN VOLATILE PLONGLONG Address,
IN LONGLONG Comperand,
IN LONGLONG Exchange);
XTFASTCALL
PVOID
RtlAtomicCompareExchangePointer(IN VOLATILE PVOID *Address,
IN PVOID Comperand,
IN PVOID Exchange);
XTFASTCALL
CHAR
RtlAtomicDecrement8(IN VOLATILE PCHAR Address);
XTFASTCALL
SHORT
RtlAtomicDecrement16(IN VOLATILE PSHORT Address);
XTFASTCALL
LONG
RtlAtomicDecrement32(IN VOLATILE PLONG Address);
XTFASTCALL
LONGLONG
RtlAtomicDecrement64(IN VOLATILE PLONGLONG Address);
XTFASTCALL
CHAR
RtlAtomicExchange8(IN VOLATILE PCHAR Address,
IN CHAR Exchange);
XTFASTCALL
SHORT
RtlAtomicExchange16(IN VOLATILE PSHORT Address,
IN SHORT Exchange);
XTFASTCALL
LONG
RtlAtomicExchange32(IN VOLATILE PLONG Address,
IN LONG Exchange);
XTFASTCALL
LONGLONG
RtlAtomicExchange64(IN VOLATILE PLONGLONG Address,
IN LONGLONG Exchange);
XTFASTCALL
CHAR
RtlAtomicExchangeAdd8(IN VOLATILE PCHAR Address,
IN CHAR Value);
XTFASTCALL
SHORT
RtlAtomicExchangeAdd16(IN VOLATILE PSHORT Address,
IN SHORT Value);
XTFASTCALL
LONG
RtlAtomicExchangeAdd32(IN VOLATILE PLONG Address,
IN LONG Value);
XTFASTCALL
LONGLONG
RtlAtomicExchangeAdd64(IN VOLATILE PLONGLONG Address,
IN LONGLONG Value);
XTFASTCALL
PVOID
RtlAtomicExchangePointer(IN VOLATILE PVOID *Address,
IN PVOID Exchange);
XTFASTCALL
CHAR
RtlAtomicIncrement8(IN VOLATILE PCHAR Address);
XTFASTCALL
SHORT
RtlAtomicIncrement16(IN VOLATILE PSHORT Address);
XTFASTCALL
LONG
RtlAtomicIncrement32(IN VOLATILE PLONG Address);
XTFASTCALL
LONGLONG
RtlAtomicIncrement64(IN VOLATILE PLONGLONG Address);
XTAPI
SIZE_T
RtlCompareMemory(IN PCVOID LeftBuffer,

1
xtoskrnl/CMakeLists.txt
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@ -19,6 +19,7 @@ list(APPEND XTOSKRNL_SOURCE
${XTOSKRNL_SOURCE_DIR}/ke/krnlinit.c
${XTOSKRNL_SOURCE_DIR}/ke/${ARCH}/krnlinit.c
${XTOSKRNL_SOURCE_DIR}/ke/${ARCH}/proc.c
${XTOSKRNL_SOURCE_DIR}/rtl/atomic.c
${XTOSKRNL_SOURCE_DIR}/rtl/byteswap.c
${XTOSKRNL_SOURCE_DIR}/rtl/memory.c
${XTOSKRNL_SOURCE_DIR}/rtl/plist.c

460
xtoskrnl/rtl/atomic.c Normal file
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@ -0,0 +1,460 @@
/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/rtl/atomic.c
* DESCRIPTION: Atomic operations support
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
*/
#include <xtos.h>
/**
* Performs atomically compare exchange operation on the 8-bit value.
*
* @param Address
* Supplies the address of the value to compare and potentially exchange.
*
* @param Comperand
* Supplies the value to compare against.
*
* @param Exchange
* Supplies the value to write if the comparison returns equality.
*
* @return This routine returns the original value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
CHAR
RtlAtomicCompareExchange8(IN VOLATILE PCHAR Address,
IN CHAR Comperand,
IN CHAR Exchange)
{
return __sync_val_compare_and_swap(Address, Comperand, Exchange);
}
/**
* Performs atomically compare exchange operation on the 16-bit value.
*
* @param Address
* Supplies the address of the value to compare and potentially exchange.
*
* @param Comperand
* Supplies the value to compare against.
*
* @param Exchange
* Supplies the value to write if the comparison returns equality.
*
* @return This routine returns the original value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
SHORT
RtlAtomicCompareExchange16(IN VOLATILE PSHORT Address,
IN SHORT Comperand,
IN SHORT Exchange)
{
return __sync_val_compare_and_swap(Address, Comperand, Exchange);
}
/**
* Performs atomically compare exchange operation on the 32-bit value.
*
* @param Address
* Supplies the address of the value to compare and potentially exchange.
*
* @param Comperand
* Supplies the value to compare against.
*
* @param Exchange
* Supplies the value to write if the comparison returns equality.
*
* @return This routine returns the original value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONG
RtlAtomicCompareExchange32(IN VOLATILE PLONG Address,
IN LONG Comperand,
IN LONG Exchange)
{
return __sync_val_compare_and_swap(Address, Comperand, Exchange);
}
/**
* Performs atomically compare exchange operation on the 64-bit value.
*
* @param Address
* Supplies the address of the value to compare and potentially exchange.
*
* @param Comperand
* Supplies the value to compare against.
*
* @param Exchange
* Supplies the value to write if the comparison returns equality.
*
* @return This routine returns the original value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONGLONG
RtlAtomicCompareExchange64(IN VOLATILE PLONGLONG Address,
IN LONGLONG Comperand,
IN LONGLONG Exchange)
{
return __sync_val_compare_and_swap(Address, Comperand, Exchange);
}
/**
* Performs atomically compare exchange operation.
*
* @param Address
* Supplies the address of the value to compare and potentially exchange.
*
* @param Comperand
* Supplies a pointer to the value to compare against.
*
* @param Exchange
* Supplies a pointer to the value to write if the comparison returns equality.
*
* @return This routine returns the original value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
PVOID
RtlAtomicCompareExchangePointer(IN VOLATILE PVOID *Address,
IN PVOID Comperand,
IN PVOID Exchange)
{
return (PVOID)__sync_val_compare_and_swap(Address, Comperand, Exchange);
}
/**
* Performs atomically decrement of the 8-bit value.
*
* @param Address
* Supplies the address of the value to decrement.
*
* @return This routine returns the decremented value.
*
* @since XT 1.0
*/
XTFASTCALL
CHAR
RtlAtomicDecrement8(IN VOLATILE PCHAR Address)
{
return __sync_sub_and_fetch(Address, 1);
}
/**
* Performs atomically decrement of the 16-bit value.
*
* @param Address
* Supplies the address of the value to decrement.
*
* @return This routine returns the decremented value.
*
* @since XT 1.0
*/
XTFASTCALL
SHORT
RtlAtomicDecrement16(IN VOLATILE PSHORT Address)
{
return __sync_sub_and_fetch(Address, 1);
}
/**
* Performs atomically decrement of the 32-bit value.
*
* @param Address
* Supplies the address of the value to decrement.
*
* @return This routine returns the decremented value.
*
* @since XT 1.0
*/
XTFASTCALL
LONG
RtlAtomicDecrement32(IN VOLATILE PLONG Address)
{
return __sync_sub_and_fetch(Address, 1);
}
/**
* Performs atomically decrement of the 64-bit value.
*
* @param Address
* Supplies the address of the value to decrement.
*
* @return This routine returns the decremented value.
*
* @since XT 1.0
*/
XTFASTCALL
LONGLONG
RtlAtomicDecrement64(IN VOLATILE PLONGLONG Address)
{
return __sync_sub_and_fetch(Address, 1);
}
/**
* Performs atomically operation on the 8-bit value.
*
* @param Address
* Supplies the address of the value to exchange with.
*
* @param Exchange
* Supplies the value to write to the address.
*
* @return This routine returns the original value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
CHAR
RtlAtomicExchange8(IN VOLATILE PCHAR Address,
IN CHAR Exchange)
{
return __sync_lock_test_and_set(Address, Exchange);
}
/**
* Performs atomically operation on the 16-bit value.
*
* @param Address
* Supplies the address of the value to exchange with.
*
* @param Exchange
* Supplies the value to write to the address.
*
* @return This routine returns the original value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
SHORT
RtlAtomicExchange16(IN VOLATILE PSHORT Address,
IN SHORT Exchange)
{
return __sync_lock_test_and_set(Address, Exchange);
}
/**
* Performs atomically operation on the 32-bit value.
*
* @param Address
* Supplies the address of the value to exchange with.
*
* @param Exchange
* Supplies the value to write to the address.
*
* @return This routine returns the original value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONG
RtlAtomicExchange32(IN VOLATILE PLONG Address,
IN LONG Exchange)
{
return __sync_lock_test_and_set(Address, Exchange);
}
/**
* Performs atomically operation on the 64-bit value.
*
* @param Address
* Supplies the address of the value to exchange with.
*
* @param Exchange
* Supplies the value to write to the address.
*
* @return This routine returns the original value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONGLONG
RtlAtomicExchange64(IN VOLATILE PLONGLONG Address,
IN LONGLONG Exchange)
{
return __sync_lock_test_and_set(Address, Exchange);
}
/**
* Performs atomically addition of the 8-bit value.
*
* @param Address
* Supplies the address of the original value.
*
* @param Value
* Supplies a value, to be add to variable found at specified address.
*
* @return Returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
CHAR
RtlAtomicExchangeAdd8(IN VOLATILE PCHAR Address,
IN CHAR Value)
{
return __sync_fetch_and_add(Address, Value);
}
/**
* Performs atomically addition of the 16-bit value.
*
* @param Address
* Supplies the address of the original value.
*
* @param Value
* Supplies a value, to be add to variable found at specified address.
*
* @return Returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
SHORT
RtlAtomicExchangeAdd16(IN VOLATILE PSHORT Address,
IN SHORT Value)
{
return __sync_fetch_and_add(Address, Value);
}
/**
* Performs atomically addition of the 32-bit value.
*
* @param Address
* Supplies the address of the original value.
*
* @param Value
* Supplies a value, to be add to variable found at specified address.
*
* @return Returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONG
RtlAtomicExchangeAdd32(IN VOLATILE PLONG Address,
IN LONG Value)
{
return __sync_fetch_and_add(Address, Value);
}
/**
* Performs atomically addition of the 64-bit value.
*
* @param Address
* Supplies the address of the original value.
*
* @param Value
* Supplies a value, to be add to variable found at specified address.
*
* @return Returns the initial value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
LONGLONG
RtlAtomicExchangeAdd64(IN VOLATILE PLONGLONG Address,
IN LONGLONG Value)
{
return __sync_fetch_and_add(Address, Value);
}
/**
* Performs atomically exchange operation.
*
* @param Address
* Supplies the address of the value to exchange with.
*
* @param Exchange
* Supplies a pointer to the value to write to the address.
*
* @return This routine returns the original value at the given address.
*
* @since XT 1.0
*/
XTFASTCALL
PVOID
RtlAtomicExchangePointer(IN VOLATILE PVOID *Address,
IN PVOID Exchange)
{
return (PVOID)__sync_lock_test_and_set(Address, Exchange);
}
/**
* Performs atomically increment of the 8-bit value.
*
* @param Address
* Supplies the address of the value to increment.
*
* @return This routine returns the incremented value.
*
* @since XT 1.0
*/
XTFASTCALL
CHAR
RtlAtomicIncrement8(IN VOLATILE PCHAR Address)
{
return __sync_add_and_fetch(Address, 1);
}
/**
* Performs atomically increment of the 16-bit value.
*
* @param Address
* Supplies the address of the value to increment.
*
* @return This routine returns the incremented value.
*
* @since XT 1.0
*/
XTFASTCALL
SHORT
RtlAtomicIncrement16(IN VOLATILE PSHORT Address)
{
return __sync_add_and_fetch(Address, 1);
}
/**
* Performs atomically increment of the 32-bit value.
*
* @param Address
* Supplies the address of the value to increment.
*
* @return This routine returns the incremented value.
*
* @since XT 1.0
*/
XTFASTCALL
LONG
RtlAtomicIncrement32(IN VOLATILE PLONG Address)
{
return __sync_add_and_fetch(Address, 1);
}
/**
* Performs atomically increment of the 64-bit value.
*
* @param Address
* Supplies the address of the value to increment.
*
* @return This routine returns the incremented value.
*
* @since XT 1.0
*/
XTFASTCALL
LONGLONG
RtlAtomicIncrement64(IN VOLATILE PLONGLONG Address)
{
return __sync_add_and_fetch(Address, 1);
}