diff options
author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-19 17:37:07 +0000 |
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committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-19 17:37:07 +0000 |
commit | 1ea5ca46c7eefe66a01cb4db3b72fc0e5a04e2cb (patch) | |
tree | 11db61e6d73e5a6b0bca974e7e4a8e29f1344a49 /MdePkg/Library/BaseLib/Ebc | |
parent | ebfe209ec07c4105baba33576457a4bd6c798a2b (diff) | |
download | edk2-platforms-1ea5ca46c7eefe66a01cb4db3b72fc0e5a04e2cb.tar.xz |
1. added functions header for BaseUefiDecompressLi
2. added some internal functions header for BaseLib
3. added EFIAPI for some internal assembly files declare
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1050 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ebc')
-rw-r--r-- | MdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c | 39 | ||||
-rw-r--r-- | MdePkg/Library/BaseLib/Ebc/SwitchStack.c | 1 | ||||
-rw-r--r-- | MdePkg/Library/BaseLib/Ebc/Synchronization.c | 42 |
3 files changed, 80 insertions, 2 deletions
diff --git a/MdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c b/MdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c index ab7716cb94..b485d3e495 100644 --- a/MdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c +++ b/MdePkg/Library/BaseLib/Ebc/SetJumpLongJump.c @@ -14,12 +14,35 @@ **/
+/**
+ Worker function that checks ASSERT condition for JumpBuffer
+
+ Checks ASSERT condition for JumpBuffer.
+
+ If JumpBuffer is NULL, then ASSERT().
+ For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
+
+ @param JumpBuffer A pointer to CPU context buffer.
+
+**/
VOID
-EFIAPI
InternalAssertJumpBuffer (
IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer
);
+/**
+ Saves the current CPU context that can be restored with a call to LongJump() and returns 0.
+
+ Saves the current CPU context in the buffer specified by JumpBuffer and returns 0. The initial
+ call to SetJump() must always return 0. Subsequent calls to LongJump() cause a non-zero
+ value to be returned by SetJump().
+
+ If JumpBuffer is NULL, then ASSERT().
+ For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
+
+ @param JumpBuffer A pointer to CPU context buffer.
+
+**/
UINTN
EFIAPI
SetJump (
@@ -30,6 +53,17 @@ SetJump ( return 0;
}
+/**
+ Restores the CPU context that was saved with SetJump().
+
+ Restores the CPU context from the buffer specified by JumpBuffer.
+ This function never returns to the caller.
+ Instead is resumes execution based on the state of JumpBuffer.
+
+ @param JumpBuffer A pointer to CPU context buffer.
+ @param Value The value to return when the SetJump() context is restored.
+
+**/
VOID
EFIAPI
InternalLongJump (
@@ -37,5 +71,8 @@ InternalLongJump ( IN UINTN Value
)
{
+ //
+ // This function cannot work on EBC
+ //
ASSERT (FALSE);
}
diff --git a/MdePkg/Library/BaseLib/Ebc/SwitchStack.c b/MdePkg/Library/BaseLib/Ebc/SwitchStack.c index 8fadd4f384..0a5464b2f9 100644 --- a/MdePkg/Library/BaseLib/Ebc/SwitchStack.c +++ b/MdePkg/Library/BaseLib/Ebc/SwitchStack.c @@ -35,7 +35,6 @@ **/
VOID
-EFIAPI
InternalSwitchStack (
IN SWITCH_STACK_ENTRY_POINT EntryPoint,
IN VOID *Context1, OPTIONAL
diff --git a/MdePkg/Library/BaseLib/Ebc/Synchronization.c b/MdePkg/Library/BaseLib/Ebc/Synchronization.c index df591b287a..5d5bc2ff11 100644 --- a/MdePkg/Library/BaseLib/Ebc/Synchronization.c +++ b/MdePkg/Library/BaseLib/Ebc/Synchronization.c @@ -26,6 +26,22 @@ InternalSyncCompareExchange32 ( ((*Value = ExchangeValue), CompareValue);
}
+/**
+ Performs an atomic compare exchange operation on a 64-bit unsigned integer.
+
+ Performs an atomic compare exchange operation on the 64-bit unsigned integer specified
+ by Value. If Value is equal to CompareValue, then Value is set to ExchangeValue and
+ CompareValue is returned. If Value is not equal to CompareValue, then Value is returned.
+ The compare exchange operation must be performed using MP safe mechanisms.
+
+ @param Value A pointer to the 64-bit value for the compare exchange
+ operation.
+ @param CompareValue 64-bit value used in compare operation.
+ @param ExchangeValue 64-bit value used in exchange operation.
+
+ @return The original *Value before exchange.
+
+**/
UINT64
EFIAPI
InternalSyncCompareExchange64 (
@@ -38,6 +54,19 @@ InternalSyncCompareExchange64 ( ((*Value = ExchangeValue), CompareValue);
}
+/**
+ Performs an atomic increment of an 32-bit unsigned integer.
+
+ Performs an atomic increment of the 32-bit unsigned integer specified by
+ Value and returns the incremented value. The increment operation must be
+ performed using MP safe mechanisms. The state of the return value is not
+ guaranteed to be MP safe.
+
+ @param Value A pointer to the 32-bit value to increment.
+
+ @return The incremented value.
+
+**/
UINT32
EFIAPI
InternalSyncIncrement (
@@ -47,6 +76,19 @@ InternalSyncIncrement ( return ++*Value;
}
+/**
+ Performs an atomic decrement of an 32-bit unsigned integer.
+
+ Performs an atomic decrement of the 32-bit unsigned integer specified by
+ Value and returns the decrement value. The decrement operation must be
+ performed using MP safe mechanisms. The state of the return value is not
+ guaranteed to be MP safe.
+
+ @param Value A pointer to the 32-bit value to decrement.
+
+ @return The decrement value.
+
+**/
UINT32
EFIAPI
InternalSyncDecrement (
|