EmulatorPkg: Remove all trailing whitespace
Signed-off-by: jljusten git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11919 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
@@ -15,16 +15,16 @@
|
||||
The Protocol is available only during boot time.
|
||||
|
||||
MP Services Protocol is hardware-independent. Most of the logic of this protocol
|
||||
is architecturally neutral. It abstracts the multi-processor environment and
|
||||
status of processors, and provides interfaces to retrieve information, maintain,
|
||||
is architecturally neutral. It abstracts the multi-processor environment and
|
||||
status of processors, and provides interfaces to retrieve information, maintain,
|
||||
and dispatch.
|
||||
|
||||
MP Services Protocol may be consumed by ACPI module. The ACPI module may use this
|
||||
MP Services Protocol may be consumed by ACPI module. The ACPI module may use this
|
||||
protocol to retrieve data that are needed for an MP platform and report them to OS.
|
||||
MP Services Protocol may also be used to program and configure processors, such
|
||||
MP Services Protocol may also be used to program and configure processors, such
|
||||
as MTRR synchronization for memory space attributes setting in DXE Services.
|
||||
MP Services Protocol may be used by non-CPU DXE drivers to speed up platform boot
|
||||
by taking advantage of the processing capabilities of the APs, for example, using
|
||||
MP Services Protocol may be used by non-CPU DXE drivers to speed up platform boot
|
||||
by taking advantage of the processing capabilities of the APs, for example, using
|
||||
APs to help test system memory in parallel with other device initialization.
|
||||
Diagnostics applications may also use this protocol for multi-processor.
|
||||
|
||||
@@ -45,7 +45,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
|
||||
|
||||
MP_SYSTEM_DATA gMPSystem;
|
||||
EMU_THREAD_THUNK_PROTOCOL *gThread = NULL;
|
||||
EMU_THREAD_THUNK_PROTOCOL *gThread = NULL;
|
||||
EFI_EVENT gReadToBootEvent;
|
||||
BOOLEAN gReadToBoot = FALSE;
|
||||
UINTN gPollInterval;
|
||||
@@ -58,12 +58,12 @@ IsBSP (
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
UINTN ProcessorNumber;
|
||||
|
||||
|
||||
Status = CpuMpServicesWhoAmI (&mMpSercicesTemplate, &ProcessorNumber);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
|
||||
return (gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag & PROCESSOR_AS_BSP_BIT) != 0;
|
||||
}
|
||||
|
||||
@@ -121,17 +121,17 @@ GetNextBlockedNumber (
|
||||
|
||||
This function is used to retrieve the following information:
|
||||
- The number of logical processors that are present in the system.
|
||||
- The number of enabled logical processors in the system at the instant
|
||||
- The number of enabled logical processors in the system at the instant
|
||||
this call is made.
|
||||
|
||||
Because MP Service Protocol provides services to enable and disable processors
|
||||
dynamically, the number of enabled logical processors may vary during the
|
||||
Because MP Service Protocol provides services to enable and disable processors
|
||||
dynamically, the number of enabled logical processors may vary during the
|
||||
course of a boot session.
|
||||
|
||||
If this service is called from an AP, then EFI_DEVICE_ERROR is returned.
|
||||
If NumberOfProcessors or NumberOfEnabledProcessors is NULL, then
|
||||
EFI_INVALID_PARAMETER is returned. Otherwise, the total number of processors
|
||||
is returned in NumberOfProcessors, the number of currently enabled processor
|
||||
|
||||
If this service is called from an AP, then EFI_DEVICE_ERROR is returned.
|
||||
If NumberOfProcessors or NumberOfEnabledProcessors is NULL, then
|
||||
EFI_INVALID_PARAMETER is returned. Otherwise, the total number of processors
|
||||
is returned in NumberOfProcessors, the number of currently enabled processor
|
||||
is returned in NumberOfEnabledProcessors, and EFI_SUCCESS is returned.
|
||||
|
||||
@param[in] This A pointer to the EFI_MP_SERVICES_PROTOCOL
|
||||
@@ -143,7 +143,7 @@ GetNextBlockedNumber (
|
||||
processors that exist in system, including
|
||||
the BSP.
|
||||
|
||||
@retval EFI_SUCCESS The number of logical processors and enabled
|
||||
@retval EFI_SUCCESS The number of logical processors and enabled
|
||||
logical processors was retrieved.
|
||||
@retval EFI_DEVICE_ERROR The calling processor is an AP.
|
||||
@retval EFI_INVALID_PARAMETER NumberOfProcessors is NULL.
|
||||
@@ -161,11 +161,11 @@ CpuMpServicesGetNumberOfProcessors (
|
||||
if ((NumberOfProcessors == NULL) || (NumberOfEnabledProcessors == NULL)) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
|
||||
if (!IsBSP ()) {
|
||||
return EFI_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
|
||||
*NumberOfProcessors = gMPSystem.NumberOfProcessors;
|
||||
*NumberOfEnabledProcessors = gMPSystem.NumberOfEnabledProcessors;
|
||||
return EFI_SUCCESS;
|
||||
@@ -177,13 +177,13 @@ CpuMpServicesGetNumberOfProcessors (
|
||||
Gets detailed MP-related information on the requested processor at the
|
||||
instant this call is made. This service may only be called from the BSP.
|
||||
|
||||
This service retrieves detailed MP-related information about any processor
|
||||
This service retrieves detailed MP-related information about any processor
|
||||
on the platform. Note the following:
|
||||
- The processor information may change during the course of a boot session.
|
||||
- The information presented here is entirely MP related.
|
||||
|
||||
|
||||
Information regarding the number of caches and their sizes, frequency of operation,
|
||||
slot numbers is all considered platform-related information and is not provided
|
||||
slot numbers is all considered platform-related information and is not provided
|
||||
by this service.
|
||||
|
||||
@param[in] This A pointer to the EFI_MP_SERVICES_PROTOCOL
|
||||
@@ -210,152 +210,152 @@ CpuMpServicesGetProcessorInfo (
|
||||
if (ProcessorInfoBuffer == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
|
||||
if (!IsBSP ()) {
|
||||
return EFI_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
|
||||
if (ProcessorNumber >= gMPSystem.NumberOfProcessors) {
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
||||
|
||||
|
||||
CopyMem (ProcessorInfoBuffer, &gMPSystem.ProcessorData[ProcessorNumber], sizeof (EFI_PROCESSOR_INFORMATION));
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This service executes a caller provided function on all enabled APs. APs can
|
||||
run either simultaneously or one at a time in sequence. This service supports
|
||||
both blocking and non-blocking requests. The non-blocking requests use EFI
|
||||
events so the BSP can detect when the APs have finished. This service may only
|
||||
This service executes a caller provided function on all enabled APs. APs can
|
||||
run either simultaneously or one at a time in sequence. This service supports
|
||||
both blocking and non-blocking requests. The non-blocking requests use EFI
|
||||
events so the BSP can detect when the APs have finished. This service may only
|
||||
be called from the BSP.
|
||||
|
||||
This function is used to dispatch all the enabled APs to the function specified
|
||||
by Procedure. If any enabled AP is busy, then EFI_NOT_READY is returned
|
||||
This function is used to dispatch all the enabled APs to the function specified
|
||||
by Procedure. If any enabled AP is busy, then EFI_NOT_READY is returned
|
||||
immediately and Procedure is not started on any AP.
|
||||
|
||||
If SingleThread is TRUE, all the enabled APs execute the function specified by
|
||||
Procedure one by one, in ascending order of processor handle number. Otherwise,
|
||||
If SingleThread is TRUE, all the enabled APs execute the function specified by
|
||||
Procedure one by one, in ascending order of processor handle number. Otherwise,
|
||||
all the enabled APs execute the function specified by Procedure simultaneously.
|
||||
|
||||
If WaitEvent is NULL, execution is in blocking mode. The BSP waits until all
|
||||
APs finish or TimeoutInMicroseconds expires. Otherwise, execution is in non-blocking
|
||||
mode, and the BSP returns from this service without waiting for APs. If a
|
||||
non-blocking mode is requested after the UEFI Event EFI_EVENT_GROUP_READY_TO_BOOT
|
||||
If WaitEvent is NULL, execution is in blocking mode. The BSP waits until all
|
||||
APs finish or TimeoutInMicroseconds expires. Otherwise, execution is in non-blocking
|
||||
mode, and the BSP returns from this service without waiting for APs. If a
|
||||
non-blocking mode is requested after the UEFI Event EFI_EVENT_GROUP_READY_TO_BOOT
|
||||
is signaled, then EFI_UNSUPPORTED must be returned.
|
||||
|
||||
If the timeout specified by TimeoutInMicroseconds expires before all APs return
|
||||
from Procedure, then Procedure on the failed APs is terminated. All enabled APs
|
||||
If the timeout specified by TimeoutInMicroseconds expires before all APs return
|
||||
from Procedure, then Procedure on the failed APs is terminated. All enabled APs
|
||||
are always available for further calls to EFI_MP_SERVICES_PROTOCOL.StartupAllAPs()
|
||||
and EFI_MP_SERVICES_PROTOCOL.StartupThisAP(). If FailedCpuList is not NULL, its
|
||||
content points to the list of processor handle numbers in which Procedure was
|
||||
and EFI_MP_SERVICES_PROTOCOL.StartupThisAP(). If FailedCpuList is not NULL, its
|
||||
content points to the list of processor handle numbers in which Procedure was
|
||||
terminated.
|
||||
|
||||
Note: It is the responsibility of the consumer of the EFI_MP_SERVICES_PROTOCOL.StartupAllAPs()
|
||||
to make sure that the nature of the code that is executed on the BSP and the
|
||||
dispatched APs is well controlled. The MP Services Protocol does not guarantee
|
||||
that the Procedure function is MP-safe. Hence, the tasks that can be run in
|
||||
parallel are limited to certain independent tasks and well-controlled exclusive
|
||||
code. EFI services and protocols may not be called by APs unless otherwise
|
||||
Note: It is the responsibility of the consumer of the EFI_MP_SERVICES_PROTOCOL.StartupAllAPs()
|
||||
to make sure that the nature of the code that is executed on the BSP and the
|
||||
dispatched APs is well controlled. The MP Services Protocol does not guarantee
|
||||
that the Procedure function is MP-safe. Hence, the tasks that can be run in
|
||||
parallel are limited to certain independent tasks and well-controlled exclusive
|
||||
code. EFI services and protocols may not be called by APs unless otherwise
|
||||
specified.
|
||||
|
||||
In blocking execution mode, BSP waits until all APs finish or
|
||||
In blocking execution mode, BSP waits until all APs finish or
|
||||
TimeoutInMicroseconds expires.
|
||||
|
||||
In non-blocking execution mode, BSP is freed to return to the caller and then
|
||||
proceed to the next task without having to wait for APs. The following
|
||||
In non-blocking execution mode, BSP is freed to return to the caller and then
|
||||
proceed to the next task without having to wait for APs. The following
|
||||
sequence needs to occur in a non-blocking execution mode:
|
||||
|
||||
-# The caller that intends to use this MP Services Protocol in non-blocking
|
||||
mode creates WaitEvent by calling the EFI CreateEvent() service. The caller
|
||||
invokes EFI_MP_SERVICES_PROTOCOL.StartupAllAPs(). If the parameter WaitEvent
|
||||
is not NULL, then StartupAllAPs() executes in non-blocking mode. It requests
|
||||
the function specified by Procedure to be started on all the enabled APs,
|
||||
-# The caller that intends to use this MP Services Protocol in non-blocking
|
||||
mode creates WaitEvent by calling the EFI CreateEvent() service. The caller
|
||||
invokes EFI_MP_SERVICES_PROTOCOL.StartupAllAPs(). If the parameter WaitEvent
|
||||
is not NULL, then StartupAllAPs() executes in non-blocking mode. It requests
|
||||
the function specified by Procedure to be started on all the enabled APs,
|
||||
and releases the BSP to continue with other tasks.
|
||||
-# The caller can use the CheckEvent() and WaitForEvent() services to check
|
||||
-# The caller can use the CheckEvent() and WaitForEvent() services to check
|
||||
the state of the WaitEvent created in step 1.
|
||||
-# When the APs complete their task or TimeoutInMicroSecondss expires, the MP
|
||||
Service signals WaitEvent by calling the EFI SignalEvent() function. If
|
||||
FailedCpuList is not NULL, its content is available when WaitEvent is
|
||||
signaled. If all APs returned from Procedure prior to the timeout, then
|
||||
FailedCpuList is set to NULL. If not all APs return from Procedure before
|
||||
the timeout, then FailedCpuList is filled in with the list of the failed
|
||||
APs. The buffer is allocated by MP Service Protocol using AllocatePool().
|
||||
-# When the APs complete their task or TimeoutInMicroSecondss expires, the MP
|
||||
Service signals WaitEvent by calling the EFI SignalEvent() function. If
|
||||
FailedCpuList is not NULL, its content is available when WaitEvent is
|
||||
signaled. If all APs returned from Procedure prior to the timeout, then
|
||||
FailedCpuList is set to NULL. If not all APs return from Procedure before
|
||||
the timeout, then FailedCpuList is filled in with the list of the failed
|
||||
APs. The buffer is allocated by MP Service Protocol using AllocatePool().
|
||||
It is the caller's responsibility to free the buffer with FreePool() service.
|
||||
-# This invocation of SignalEvent() function informs the caller that invoked
|
||||
EFI_MP_SERVICES_PROTOCOL.StartupAllAPs() that either all the APs completed
|
||||
the specified task or a timeout occurred. The contents of FailedCpuList
|
||||
can be examined to determine which APs did not complete the specified task
|
||||
the specified task or a timeout occurred. The contents of FailedCpuList
|
||||
can be examined to determine which APs did not complete the specified task
|
||||
prior to the timeout.
|
||||
|
||||
@param[in] This A pointer to the EFI_MP_SERVICES_PROTOCOL
|
||||
instance.
|
||||
@param[in] Procedure A pointer to the function to be run on
|
||||
@param[in] Procedure A pointer to the function to be run on
|
||||
enabled APs of the system. See type
|
||||
EFI_AP_PROCEDURE.
|
||||
@param[in] SingleThread If TRUE, then all the enabled APs execute
|
||||
the function specified by Procedure one by
|
||||
one, in ascending order of processor handle
|
||||
number. If FALSE, then all the enabled APs
|
||||
@param[in] SingleThread If TRUE, then all the enabled APs execute
|
||||
the function specified by Procedure one by
|
||||
one, in ascending order of processor handle
|
||||
number. If FALSE, then all the enabled APs
|
||||
execute the function specified by Procedure
|
||||
simultaneously.
|
||||
@param[in] WaitEvent The event created by the caller with CreateEvent()
|
||||
service. If it is NULL, then execute in
|
||||
blocking mode. BSP waits until all APs finish
|
||||
or TimeoutInMicroseconds expires. If it's
|
||||
not NULL, then execute in non-blocking mode.
|
||||
BSP requests the function specified by
|
||||
Procedure to be started on all the enabled
|
||||
APs, and go on executing immediately. If
|
||||
service. If it is NULL, then execute in
|
||||
blocking mode. BSP waits until all APs finish
|
||||
or TimeoutInMicroseconds expires. If it's
|
||||
not NULL, then execute in non-blocking mode.
|
||||
BSP requests the function specified by
|
||||
Procedure to be started on all the enabled
|
||||
APs, and go on executing immediately. If
|
||||
all return from Procedure, or TimeoutInMicroseconds
|
||||
expires, this event is signaled. The BSP
|
||||
can use the CheckEvent() or WaitForEvent()
|
||||
services to check the state of event. Type
|
||||
EFI_EVENT is defined in CreateEvent() in
|
||||
the Unified Extensible Firmware Interface
|
||||
Specification.
|
||||
@param[in] TimeoutInMicrosecsond Indicates the time limit in microseconds for
|
||||
APs to return from Procedure, either for
|
||||
blocking or non-blocking mode. Zero means
|
||||
infinity. If the timeout expires before
|
||||
expires, this event is signaled. The BSP
|
||||
can use the CheckEvent() or WaitForEvent()
|
||||
services to check the state of event. Type
|
||||
EFI_EVENT is defined in CreateEvent() in
|
||||
the Unified Extensible Firmware Interface
|
||||
Specification.
|
||||
@param[in] TimeoutInMicrosecsond Indicates the time limit in microseconds for
|
||||
APs to return from Procedure, either for
|
||||
blocking or non-blocking mode. Zero means
|
||||
infinity. If the timeout expires before
|
||||
all APs return from Procedure, then Procedure
|
||||
on the failed APs is terminated. All enabled
|
||||
APs are available for next function assigned
|
||||
by EFI_MP_SERVICES_PROTOCOL.StartupAllAPs()
|
||||
on the failed APs is terminated. All enabled
|
||||
APs are available for next function assigned
|
||||
by EFI_MP_SERVICES_PROTOCOL.StartupAllAPs()
|
||||
or EFI_MP_SERVICES_PROTOCOL.StartupThisAP().
|
||||
If the timeout expires in blocking mode,
|
||||
BSP returns EFI_TIMEOUT. If the timeout
|
||||
expires in non-blocking mode, WaitEvent
|
||||
If the timeout expires in blocking mode,
|
||||
BSP returns EFI_TIMEOUT. If the timeout
|
||||
expires in non-blocking mode, WaitEvent
|
||||
is signaled with SignalEvent().
|
||||
@param[in] ProcedureArgument The parameter passed into Procedure for
|
||||
@param[in] ProcedureArgument The parameter passed into Procedure for
|
||||
all APs.
|
||||
@param[out] FailedCpuList If NULL, this parameter is ignored. Otherwise,
|
||||
if all APs finish successfully, then its
|
||||
content is set to NULL. If not all APs
|
||||
finish before timeout expires, then its
|
||||
content is set to address of the buffer
|
||||
holding handle numbers of the failed APs.
|
||||
The buffer is allocated by MP Service Protocol,
|
||||
and it's the caller's responsibility to
|
||||
@param[out] FailedCpuList If NULL, this parameter is ignored. Otherwise,
|
||||
if all APs finish successfully, then its
|
||||
content is set to NULL. If not all APs
|
||||
finish before timeout expires, then its
|
||||
content is set to address of the buffer
|
||||
holding handle numbers of the failed APs.
|
||||
The buffer is allocated by MP Service Protocol,
|
||||
and it's the caller's responsibility to
|
||||
free the buffer with FreePool() service.
|
||||
In blocking mode, it is ready for consumption
|
||||
when the call returns. In non-blocking mode,
|
||||
it is ready when WaitEvent is signaled. The
|
||||
list of failed CPU is terminated by
|
||||
In blocking mode, it is ready for consumption
|
||||
when the call returns. In non-blocking mode,
|
||||
it is ready when WaitEvent is signaled. The
|
||||
list of failed CPU is terminated by
|
||||
END_OF_CPU_LIST.
|
||||
|
||||
@retval EFI_SUCCESS In blocking mode, all APs have finished before
|
||||
@retval EFI_SUCCESS In blocking mode, all APs have finished before
|
||||
the timeout expired.
|
||||
@retval EFI_SUCCESS In non-blocking mode, function has been dispatched
|
||||
@retval EFI_SUCCESS In non-blocking mode, function has been dispatched
|
||||
to all enabled APs.
|
||||
@retval EFI_UNSUPPORTED A non-blocking mode request was made after the
|
||||
UEFI event EFI_EVENT_GROUP_READY_TO_BOOT was
|
||||
@retval EFI_UNSUPPORTED A non-blocking mode request was made after the
|
||||
UEFI event EFI_EVENT_GROUP_READY_TO_BOOT was
|
||||
signaled.
|
||||
@retval EFI_DEVICE_ERROR Caller processor is AP.
|
||||
@retval EFI_NOT_STARTED No enabled APs exist in the system.
|
||||
@retval EFI_NOT_READY Any enabled APs are busy.
|
||||
@retval EFI_TIMEOUT In blocking mode, the timeout expired before
|
||||
@retval EFI_TIMEOUT In blocking mode, the timeout expired before
|
||||
all enabled APs have finished.
|
||||
@retval EFI_INVALID_PARAMETER Procedure is NULL.
|
||||
|
||||
@@ -385,7 +385,7 @@ CpuMpServicesStartupAllAps (
|
||||
if (!IsBSP ()) {
|
||||
return EFI_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
|
||||
if (gMPSystem.NumberOfProcessors == 1) {
|
||||
return EFI_NOT_STARTED;
|
||||
}
|
||||
@@ -393,12 +393,12 @@ CpuMpServicesStartupAllAps (
|
||||
if (Procedure == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
|
||||
if ((WaitEvent != NULL) && gReadToBoot) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
if (FailedCpuList != NULL) {
|
||||
gMPSystem.FailedList = AllocatePool ((gMPSystem.NumberOfProcessors + 1) * sizeof (UINTN));
|
||||
if (gMPSystem.FailedList == NULL) {
|
||||
@@ -453,10 +453,10 @@ CpuMpServicesStartupAllAps (
|
||||
return EFI_NOT_READY;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (WaitEvent != NULL) {
|
||||
for (Number = 0; Number < gMPSystem.NumberOfProcessors; Number++) {
|
||||
ProcessorData = &gMPSystem.ProcessorData[Number];
|
||||
ProcessorData = &gMPSystem.ProcessorData[Number];
|
||||
if ((ProcessorData->Info.StatusFlag & PROCESSOR_AS_BSP_BIT) == PROCESSOR_AS_BSP_BIT) {
|
||||
// Skip BSP
|
||||
continue;
|
||||
@@ -466,7 +466,7 @@ CpuMpServicesStartupAllAps (
|
||||
// Skip Disabled processors
|
||||
continue;
|
||||
}
|
||||
|
||||
|
||||
SetApProcedure (ProcessorData, Procedure, ProcedureArgument);
|
||||
}
|
||||
|
||||
@@ -489,7 +489,7 @@ CpuMpServicesStartupAllAps (
|
||||
|
||||
while (TRUE) {
|
||||
for (Number = 0; Number < gMPSystem.NumberOfProcessors; Number++) {
|
||||
ProcessorData = &gMPSystem.ProcessorData[Number];
|
||||
ProcessorData = &gMPSystem.ProcessorData[Number];
|
||||
if ((ProcessorData->Info.StatusFlag & PROCESSOR_AS_BSP_BIT) == PROCESSOR_AS_BSP_BIT) {
|
||||
// Skip BSP
|
||||
continue;
|
||||
@@ -553,86 +553,86 @@ Done:
|
||||
|
||||
|
||||
/**
|
||||
This service lets the caller get one enabled AP to execute a caller-provided
|
||||
function. The caller can request the BSP to either wait for the completion
|
||||
of the AP or just proceed with the next task by using the EFI event mechanism.
|
||||
See EFI_MP_SERVICES_PROTOCOL.StartupAllAPs() for more details on non-blocking
|
||||
This service lets the caller get one enabled AP to execute a caller-provided
|
||||
function. The caller can request the BSP to either wait for the completion
|
||||
of the AP or just proceed with the next task by using the EFI event mechanism.
|
||||
See EFI_MP_SERVICES_PROTOCOL.StartupAllAPs() for more details on non-blocking
|
||||
execution support. This service may only be called from the BSP.
|
||||
|
||||
This function is used to dispatch one enabled AP to the function specified by
|
||||
Procedure passing in the argument specified by ProcedureArgument. If WaitEvent
|
||||
is NULL, execution is in blocking mode. The BSP waits until the AP finishes or
|
||||
TimeoutInMicroSecondss expires. Otherwise, execution is in non-blocking mode.
|
||||
BSP proceeds to the next task without waiting for the AP. If a non-blocking mode
|
||||
is requested after the UEFI Event EFI_EVENT_GROUP_READY_TO_BOOT is signaled,
|
||||
This function is used to dispatch one enabled AP to the function specified by
|
||||
Procedure passing in the argument specified by ProcedureArgument. If WaitEvent
|
||||
is NULL, execution is in blocking mode. The BSP waits until the AP finishes or
|
||||
TimeoutInMicroSecondss expires. Otherwise, execution is in non-blocking mode.
|
||||
BSP proceeds to the next task without waiting for the AP. If a non-blocking mode
|
||||
is requested after the UEFI Event EFI_EVENT_GROUP_READY_TO_BOOT is signaled,
|
||||
then EFI_UNSUPPORTED must be returned.
|
||||
|
||||
If the timeout specified by TimeoutInMicroseconds expires before the AP returns
|
||||
from Procedure, then execution of Procedure by the AP is terminated. The AP is
|
||||
available for subsequent calls to EFI_MP_SERVICES_PROTOCOL.StartupAllAPs() and
|
||||
|
||||
If the timeout specified by TimeoutInMicroseconds expires before the AP returns
|
||||
from Procedure, then execution of Procedure by the AP is terminated. The AP is
|
||||
available for subsequent calls to EFI_MP_SERVICES_PROTOCOL.StartupAllAPs() and
|
||||
EFI_MP_SERVICES_PROTOCOL.StartupThisAP().
|
||||
|
||||
@param[in] This A pointer to the EFI_MP_SERVICES_PROTOCOL
|
||||
instance.
|
||||
@param[in] Procedure A pointer to the function to be run on
|
||||
@param[in] Procedure A pointer to the function to be run on
|
||||
enabled APs of the system. See type
|
||||
EFI_AP_PROCEDURE.
|
||||
@param[in] ProcessorNumber The handle number of the AP. The range is
|
||||
@param[in] ProcessorNumber The handle number of the AP. The range is
|
||||
from 0 to the total number of logical
|
||||
processors minus 1. The total number of
|
||||
processors minus 1. The total number of
|
||||
logical processors can be retrieved by
|
||||
EFI_MP_SERVICES_PROTOCOL.GetNumberOfProcessors().
|
||||
@param[in] WaitEvent The event created by the caller with CreateEvent()
|
||||
service. If it is NULL, then execute in
|
||||
blocking mode. BSP waits until all APs finish
|
||||
or TimeoutInMicroseconds expires. If it's
|
||||
not NULL, then execute in non-blocking mode.
|
||||
BSP requests the function specified by
|
||||
Procedure to be started on all the enabled
|
||||
APs, and go on executing immediately. If
|
||||
service. If it is NULL, then execute in
|
||||
blocking mode. BSP waits until all APs finish
|
||||
or TimeoutInMicroseconds expires. If it's
|
||||
not NULL, then execute in non-blocking mode.
|
||||
BSP requests the function specified by
|
||||
Procedure to be started on all the enabled
|
||||
APs, and go on executing immediately. If
|
||||
all return from Procedure or TimeoutInMicroseconds
|
||||
expires, this event is signaled. The BSP
|
||||
can use the CheckEvent() or WaitForEvent()
|
||||
services to check the state of event. Type
|
||||
EFI_EVENT is defined in CreateEvent() in
|
||||
the Unified Extensible Firmware Interface
|
||||
Specification.
|
||||
@param[in] TimeoutInMicrosecsond Indicates the time limit in microseconds for
|
||||
APs to return from Procedure, either for
|
||||
blocking or non-blocking mode. Zero means
|
||||
infinity. If the timeout expires before
|
||||
expires, this event is signaled. The BSP
|
||||
can use the CheckEvent() or WaitForEvent()
|
||||
services to check the state of event. Type
|
||||
EFI_EVENT is defined in CreateEvent() in
|
||||
the Unified Extensible Firmware Interface
|
||||
Specification.
|
||||
@param[in] TimeoutInMicrosecsond Indicates the time limit in microseconds for
|
||||
APs to return from Procedure, either for
|
||||
blocking or non-blocking mode. Zero means
|
||||
infinity. If the timeout expires before
|
||||
all APs return from Procedure, then Procedure
|
||||
on the failed APs is terminated. All enabled
|
||||
APs are available for next function assigned
|
||||
by EFI_MP_SERVICES_PROTOCOL.StartupAllAPs()
|
||||
on the failed APs is terminated. All enabled
|
||||
APs are available for next function assigned
|
||||
by EFI_MP_SERVICES_PROTOCOL.StartupAllAPs()
|
||||
or EFI_MP_SERVICES_PROTOCOL.StartupThisAP().
|
||||
If the timeout expires in blocking mode,
|
||||
BSP returns EFI_TIMEOUT. If the timeout
|
||||
expires in non-blocking mode, WaitEvent
|
||||
If the timeout expires in blocking mode,
|
||||
BSP returns EFI_TIMEOUT. If the timeout
|
||||
expires in non-blocking mode, WaitEvent
|
||||
is signaled with SignalEvent().
|
||||
@param[in] ProcedureArgument The parameter passed into Procedure for
|
||||
@param[in] ProcedureArgument The parameter passed into Procedure for
|
||||
all APs.
|
||||
@param[out] Finished If NULL, this parameter is ignored. In
|
||||
@param[out] Finished If NULL, this parameter is ignored. In
|
||||
blocking mode, this parameter is ignored.
|
||||
In non-blocking mode, if AP returns from
|
||||
In non-blocking mode, if AP returns from
|
||||
Procedure before the timeout expires, its
|
||||
content is set to TRUE. Otherwise, the
|
||||
content is set to TRUE. Otherwise, the
|
||||
value is set to FALSE. The caller can
|
||||
determine if the AP returned from Procedure
|
||||
determine if the AP returned from Procedure
|
||||
by evaluating this value.
|
||||
|
||||
@retval EFI_SUCCESS In blocking mode, specified AP finished before
|
||||
@retval EFI_SUCCESS In blocking mode, specified AP finished before
|
||||
the timeout expires.
|
||||
@retval EFI_SUCCESS In non-blocking mode, the function has been
|
||||
@retval EFI_SUCCESS In non-blocking mode, the function has been
|
||||
dispatched to specified AP.
|
||||
@retval EFI_UNSUPPORTED A non-blocking mode request was made after the
|
||||
UEFI event EFI_EVENT_GROUP_READY_TO_BOOT was
|
||||
@retval EFI_UNSUPPORTED A non-blocking mode request was made after the
|
||||
UEFI event EFI_EVENT_GROUP_READY_TO_BOOT was
|
||||
signaled.
|
||||
@retval EFI_DEVICE_ERROR The calling processor is an AP.
|
||||
@retval EFI_TIMEOUT In blocking mode, the timeout expired before
|
||||
@retval EFI_TIMEOUT In blocking mode, the timeout expired before
|
||||
the specified AP has finished.
|
||||
@retval EFI_NOT_READY The specified AP is busy.
|
||||
@retval EFI_NOT_FOUND The processor with the handle specified by
|
||||
@retval EFI_NOT_FOUND The processor with the handle specified by
|
||||
ProcessorNumber does not exist.
|
||||
@retval EFI_INVALID_PARAMETER ProcessorNumber specifies the BSP or disabled AP.
|
||||
@retval EFI_INVALID_PARAMETER Procedure is NULL.
|
||||
@@ -652,19 +652,19 @@ CpuMpServicesStartupThisAP (
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
INTN Timeout;
|
||||
|
||||
|
||||
if (!IsBSP ()) {
|
||||
return EFI_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
|
||||
if (Procedure == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
|
||||
if (ProcessorNumber >= gMPSystem.NumberOfProcessors) {
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
||||
|
||||
|
||||
if ((gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag & PROCESSOR_AS_BSP_BIT) != 0) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
@@ -720,36 +720,36 @@ CpuMpServicesStartupThisAP (
|
||||
|
||||
|
||||
/**
|
||||
This service switches the requested AP to be the BSP from that point onward.
|
||||
This service changes the BSP for all purposes. This call can only be performed
|
||||
This service switches the requested AP to be the BSP from that point onward.
|
||||
This service changes the BSP for all purposes. This call can only be performed
|
||||
by the current BSP.
|
||||
|
||||
This service switches the requested AP to be the BSP from that point onward.
|
||||
This service changes the BSP for all purposes. The new BSP can take over the
|
||||
execution of the old BSP and continue seamlessly from where the old one left
|
||||
off. This service may not be supported after the UEFI Event EFI_EVENT_GROUP_READY_TO_BOOT
|
||||
This service switches the requested AP to be the BSP from that point onward.
|
||||
This service changes the BSP for all purposes. The new BSP can take over the
|
||||
execution of the old BSP and continue seamlessly from where the old one left
|
||||
off. This service may not be supported after the UEFI Event EFI_EVENT_GROUP_READY_TO_BOOT
|
||||
is signaled.
|
||||
|
||||
If the BSP cannot be switched prior to the return from this service, then
|
||||
If the BSP cannot be switched prior to the return from this service, then
|
||||
EFI_UNSUPPORTED must be returned.
|
||||
|
||||
@param[in] This A pointer to the EFI_MP_SERVICES_PROTOCOL instance.
|
||||
@param[in] ProcessorNumber The handle number of AP that is to become the new
|
||||
BSP. The range is from 0 to the total number of
|
||||
logical processors minus 1. The total number of
|
||||
@param[in] ProcessorNumber The handle number of AP that is to become the new
|
||||
BSP. The range is from 0 to the total number of
|
||||
logical processors minus 1. The total number of
|
||||
logical processors can be retrieved by
|
||||
EFI_MP_SERVICES_PROTOCOL.GetNumberOfProcessors().
|
||||
@param[in] EnableOldBSP If TRUE, then the old BSP will be listed as an
|
||||
@param[in] EnableOldBSP If TRUE, then the old BSP will be listed as an
|
||||
enabled AP. Otherwise, it will be disabled.
|
||||
|
||||
@retval EFI_SUCCESS BSP successfully switched.
|
||||
@retval EFI_UNSUPPORTED Switching the BSP cannot be completed prior to
|
||||
@retval EFI_UNSUPPORTED Switching the BSP cannot be completed prior to
|
||||
this service returning.
|
||||
@retval EFI_UNSUPPORTED Switching the BSP is not supported.
|
||||
@retval EFI_SUCCESS The calling processor is an AP.
|
||||
@retval EFI_NOT_FOUND The processor with the handle specified by
|
||||
ProcessorNumber does not exist.
|
||||
@retval EFI_INVALID_PARAMETER ProcessorNumber specifies the current BSP or
|
||||
@retval EFI_INVALID_PARAMETER ProcessorNumber specifies the current BSP or
|
||||
a disabled AP.
|
||||
@retval EFI_NOT_READY The specified AP is busy.
|
||||
|
||||
@@ -763,15 +763,15 @@ CpuMpServicesSwitchBSP (
|
||||
)
|
||||
{
|
||||
UINTN Index;
|
||||
|
||||
|
||||
if (!IsBSP ()) {
|
||||
return EFI_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
|
||||
if (ProcessorNumber >= gMPSystem.NumberOfProcessors) {
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
||||
|
||||
|
||||
if ((gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag & PROCESSOR_ENABLED_BIT) == 0) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
@@ -779,18 +779,18 @@ CpuMpServicesSwitchBSP (
|
||||
if ((gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag & PROCESSOR_AS_BSP_BIT) != 0) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
|
||||
for (Index = 0; Index < gMPSystem.NumberOfProcessors; Index++) {
|
||||
if ((gMPSystem.ProcessorData[Index].Info.StatusFlag & PROCESSOR_AS_BSP_BIT) != 0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
ASSERT (Index != gMPSystem.NumberOfProcessors);
|
||||
|
||||
|
||||
if (gMPSystem.ProcessorData[ProcessorNumber].State != CPU_STATE_IDLE) {
|
||||
return EFI_NOT_READY;
|
||||
}
|
||||
|
||||
|
||||
// Skip for now as we need switch a bunch of stack stuff around and it's complex
|
||||
// May not be worth it?
|
||||
return EFI_NOT_READY;
|
||||
@@ -798,38 +798,38 @@ CpuMpServicesSwitchBSP (
|
||||
|
||||
|
||||
/**
|
||||
This service lets the caller enable or disable an AP from this point onward.
|
||||
This service lets the caller enable or disable an AP from this point onward.
|
||||
This service may only be called from the BSP.
|
||||
|
||||
This service allows the caller enable or disable an AP from this point onward.
|
||||
The caller can optionally specify the health status of the AP by Health. If
|
||||
an AP is being disabled, then the state of the disabled AP is implementation
|
||||
dependent. If an AP is enabled, then the implementation must guarantee that a
|
||||
complete initialization sequence is performed on the AP, so the AP is in a state
|
||||
that is compatible with an MP operating system. This service may not be supported
|
||||
This service allows the caller enable or disable an AP from this point onward.
|
||||
The caller can optionally specify the health status of the AP by Health. If
|
||||
an AP is being disabled, then the state of the disabled AP is implementation
|
||||
dependent. If an AP is enabled, then the implementation must guarantee that a
|
||||
complete initialization sequence is performed on the AP, so the AP is in a state
|
||||
that is compatible with an MP operating system. This service may not be supported
|
||||
after the UEFI Event EFI_EVENT_GROUP_READY_TO_BOOT is signaled.
|
||||
|
||||
If the enable or disable AP operation cannot be completed prior to the return
|
||||
If the enable or disable AP operation cannot be completed prior to the return
|
||||
from this service, then EFI_UNSUPPORTED must be returned.
|
||||
|
||||
@param[in] This A pointer to the EFI_MP_SERVICES_PROTOCOL instance.
|
||||
@param[in] ProcessorNumber The handle number of AP that is to become the new
|
||||
BSP. The range is from 0 to the total number of
|
||||
logical processors minus 1. The total number of
|
||||
@param[in] ProcessorNumber The handle number of AP that is to become the new
|
||||
BSP. The range is from 0 to the total number of
|
||||
logical processors minus 1. The total number of
|
||||
logical processors can be retrieved by
|
||||
EFI_MP_SERVICES_PROTOCOL.GetNumberOfProcessors().
|
||||
@param[in] EnableAP Specifies the new state for the processor for
|
||||
@param[in] EnableAP Specifies the new state for the processor for
|
||||
enabled, FALSE for disabled.
|
||||
@param[in] HealthFlag If not NULL, a pointer to a value that specifies
|
||||
the new health status of the AP. This flag
|
||||
corresponds to StatusFlag defined in
|
||||
EFI_MP_SERVICES_PROTOCOL.GetProcessorInfo(). Only
|
||||
the PROCESSOR_HEALTH_STATUS_BIT is used. All other
|
||||
bits are ignored. If it is NULL, this parameter
|
||||
@param[in] HealthFlag If not NULL, a pointer to a value that specifies
|
||||
the new health status of the AP. This flag
|
||||
corresponds to StatusFlag defined in
|
||||
EFI_MP_SERVICES_PROTOCOL.GetProcessorInfo(). Only
|
||||
the PROCESSOR_HEALTH_STATUS_BIT is used. All other
|
||||
bits are ignored. If it is NULL, this parameter
|
||||
is ignored.
|
||||
|
||||
@retval EFI_SUCCESS The specified AP was enabled or disabled successfully.
|
||||
@retval EFI_UNSUPPORTED Enabling or disabling an AP cannot be completed
|
||||
@retval EFI_UNSUPPORTED Enabling or disabling an AP cannot be completed
|
||||
prior to this service returning.
|
||||
@retval EFI_UNSUPPORTED Enabling or disabling an AP is not supported.
|
||||
@retval EFI_DEVICE_ERROR The calling processor is an AP.
|
||||
@@ -850,21 +850,21 @@ CpuMpServicesEnableDisableAP (
|
||||
if (!IsBSP ()) {
|
||||
return EFI_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
|
||||
if (ProcessorNumber >= gMPSystem.NumberOfProcessors) {
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
||||
|
||||
|
||||
if ((gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag & PROCESSOR_AS_BSP_BIT) != 0) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
}
|
||||
|
||||
if (gMPSystem.ProcessorData[ProcessorNumber].State != CPU_STATE_IDLE) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
gThread->MutexLock (&gMPSystem.ProcessorData[ProcessorNumber].StateLock);
|
||||
|
||||
|
||||
if (EnableAP) {
|
||||
if ((gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag & PROCESSOR_ENABLED_BIT) == 0 ) {
|
||||
gMPSystem.NumberOfEnabledProcessors++;
|
||||
@@ -876,38 +876,38 @@ CpuMpServicesEnableDisableAP (
|
||||
}
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag &= ~PROCESSOR_ENABLED_BIT;
|
||||
}
|
||||
|
||||
|
||||
if (HealthFlag != NULL) {
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag &= ~PROCESSOR_HEALTH_STATUS_BIT;
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag |= (*HealthFlag & PROCESSOR_HEALTH_STATUS_BIT);
|
||||
}
|
||||
|
||||
|
||||
gThread->MutexUnlock (&gMPSystem.ProcessorData[ProcessorNumber].StateLock);
|
||||
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This return the handle number for the calling processor. This service may be
|
||||
This return the handle number for the calling processor. This service may be
|
||||
called from the BSP and APs.
|
||||
|
||||
This service returns the processor handle number for the calling processor.
|
||||
The returned value is in the range from 0 to the total number of logical
|
||||
processors minus 1. The total number of logical processors can be retrieved
|
||||
with EFI_MP_SERVICES_PROTOCOL.GetNumberOfProcessors(). This service may be
|
||||
called from the BSP and APs. If ProcessorNumber is NULL, then EFI_INVALID_PARAMETER
|
||||
is returned. Otherwise, the current processors handle number is returned in
|
||||
This service returns the processor handle number for the calling processor.
|
||||
The returned value is in the range from 0 to the total number of logical
|
||||
processors minus 1. The total number of logical processors can be retrieved
|
||||
with EFI_MP_SERVICES_PROTOCOL.GetNumberOfProcessors(). This service may be
|
||||
called from the BSP and APs. If ProcessorNumber is NULL, then EFI_INVALID_PARAMETER
|
||||
is returned. Otherwise, the current processors handle number is returned in
|
||||
ProcessorNumber, and EFI_SUCCESS is returned.
|
||||
|
||||
@param[in] This A pointer to the EFI_MP_SERVICES_PROTOCOL instance.
|
||||
@param[in] ProcessorNumber The handle number of AP that is to become the new
|
||||
BSP. The range is from 0 to the total number of
|
||||
logical processors minus 1. The total number of
|
||||
@param[in] ProcessorNumber The handle number of AP that is to become the new
|
||||
BSP. The range is from 0 to the total number of
|
||||
logical processors minus 1. The total number of
|
||||
logical processors can be retrieved by
|
||||
EFI_MP_SERVICES_PROTOCOL.GetNumberOfProcessors().
|
||||
|
||||
@retval EFI_SUCCESS The current processor handle number was returned
|
||||
@retval EFI_SUCCESS The current processor handle number was returned
|
||||
in ProcessorNumber.
|
||||
@retval EFI_INVALID_PARAMETER ProcessorNumber is NULL.
|
||||
|
||||
@@ -921,11 +921,11 @@ CpuMpServicesWhoAmI (
|
||||
{
|
||||
UINTN Index;
|
||||
UINT64 ProcessorId;
|
||||
|
||||
|
||||
if (ProcessorNumber == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
|
||||
ProcessorId = gThread->Self ();
|
||||
for (Index = 0; Index < gMPSystem.NumberOfProcessors; Index++) {
|
||||
if (gMPSystem.ProcessorData[Index].Info.ProcessorId == ProcessorId) {
|
||||
@@ -976,7 +976,7 @@ CpuCheckAllAPsStatus (
|
||||
if (gMPSystem.TimeoutActive) {
|
||||
gMPSystem.Timeout -= gPollInterval;
|
||||
}
|
||||
|
||||
|
||||
ProcessorData = (PROCESSOR_DATA_BLOCK *) Context;
|
||||
|
||||
for (ProcessorNumber = 0; ProcessorNumber < gMPSystem.NumberOfProcessors; ProcessorNumber++) {
|
||||
@@ -1029,7 +1029,7 @@ CpuCheckAllAPsStatus (
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (gMPSystem.TimeoutActive && gMPSystem.Timeout < 0) {
|
||||
//
|
||||
// Timeout
|
||||
@@ -1045,15 +1045,15 @@ CpuCheckAllAPsStatus (
|
||||
// Skip Disabled processors
|
||||
continue;
|
||||
}
|
||||
|
||||
// Mark the
|
||||
|
||||
// Mark the
|
||||
Status = gThread->MutexTryLock (gMPSystem.ProcessorData[ProcessorNumber].StateLock);
|
||||
if (EFI_ERROR(Status)) {
|
||||
return;
|
||||
}
|
||||
ProcessorState = gMPSystem.ProcessorData[ProcessorNumber].State;
|
||||
gThread->MutexUnlock (gMPSystem.ProcessorData[ProcessorNumber].StateLock);
|
||||
|
||||
|
||||
if (ProcessorState != CPU_STATE_IDLE) {
|
||||
// If we are retrying make sure we don't double count
|
||||
for (Cpu = 0, Found = FALSE; Cpu < gMPSystem.NumberOfProcessors; Cpu++) {
|
||||
@@ -1078,7 +1078,7 @@ CpuCheckAllAPsStatus (
|
||||
if (gMPSystem.FinishCount != gMPSystem.StartCount) {
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
gBS->SetTimer (
|
||||
gMPSystem.CheckAllAPsEvent,
|
||||
TimerCancel,
|
||||
@@ -1127,10 +1127,10 @@ CpuCheckThisAPStatus (
|
||||
if (ProcessorState == CPU_STATE_FINISHED) {
|
||||
Status = gBS->SetTimer (ProcessorData->CheckThisAPEvent, TimerCancel, 0);
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
|
||||
Status = gBS->SignalEvent (gMPSystem.WaitEvent);
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
|
||||
gThread->MutexLock (ProcessorData->StateLock);
|
||||
ProcessorData->State = CPU_STATE_IDLE;
|
||||
gThread->MutexUnlock (ProcessorData->StateLock);
|
||||
@@ -1158,18 +1158,18 @@ FillInProcessorInformation (
|
||||
PROCESSOR_DATA_BLOCK *ProcessorData;
|
||||
|
||||
ProcessorData = &gMPSystem.ProcessorData[ProcessorNumber];
|
||||
|
||||
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Info.ProcessorId = gThread->Self ();
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag = PROCESSOR_ENABLED_BIT | PROCESSOR_HEALTH_STATUS_BIT;
|
||||
if (BSP) {
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag |= PROCESSOR_AS_BSP_BIT;
|
||||
}
|
||||
|
||||
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Info.Location.Package = ProcessorNumber;
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Info.Location.Core = 0;
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Info.Location.Thread = 0;
|
||||
gMPSystem.ProcessorData[ProcessorNumber].State = BSP ? CPU_STATE_BUSY : CPU_STATE_IDLE;
|
||||
|
||||
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Procedure = NULL;
|
||||
gMPSystem.ProcessorData[ProcessorNumber].Parameter = NULL;
|
||||
gMPSystem.ProcessorData[ProcessorNumber].StateLock = gThread->MutexInit ();
|
||||
@@ -1188,12 +1188,12 @@ CpuDriverApIdolLoop (
|
||||
VOID *Parameter;
|
||||
UINTN ProcessorNumber;
|
||||
PROCESSOR_DATA_BLOCK *ProcessorData;
|
||||
|
||||
|
||||
ProcessorNumber = (UINTN)Context;
|
||||
ProcessorData = &gMPSystem.ProcessorData[ProcessorNumber];
|
||||
|
||||
|
||||
ProcessorData->Info.ProcessorId = gThread->Self ();
|
||||
|
||||
|
||||
while (TRUE) {
|
||||
//
|
||||
// Make a local copy on the stack to be extra safe
|
||||
@@ -1202,28 +1202,28 @@ CpuDriverApIdolLoop (
|
||||
Procedure = ProcessorData->Procedure;
|
||||
Parameter = ProcessorData->Parameter;
|
||||
gThread->MutexUnlock (ProcessorData->ProcedureLock);
|
||||
|
||||
|
||||
if (Procedure != NULL) {
|
||||
gThread->MutexLock (ProcessorData->StateLock);
|
||||
ProcessorData->State = CPU_STATE_BUSY;
|
||||
gThread->MutexUnlock (ProcessorData->StateLock);
|
||||
|
||||
|
||||
Procedure (Parameter);
|
||||
|
||||
|
||||
gThread->MutexLock (ProcessorData->ProcedureLock);
|
||||
ProcessorData->Procedure = NULL;
|
||||
gThread->MutexUnlock (ProcessorData->ProcedureLock);
|
||||
|
||||
|
||||
gThread->MutexLock (ProcessorData->StateLock);
|
||||
ProcessorData->State = CPU_STATE_FINISHED;
|
||||
gThread->MutexUnlock (ProcessorData->StateLock);
|
||||
gThread->MutexUnlock (ProcessorData->StateLock);
|
||||
}
|
||||
|
||||
|
||||
// Poll 5 times a seconds, 200ms
|
||||
// Don't want to burn too many system resources doing nothing.
|
||||
gEmuThunk->Sleep (200 * 1000);
|
||||
}
|
||||
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -1236,7 +1236,7 @@ InitializeMpSystemData (
|
||||
EFI_STATUS Status;
|
||||
UINTN Index;
|
||||
|
||||
|
||||
|
||||
//
|
||||
// Clear the data structure area first.
|
||||
//
|
||||
@@ -1247,12 +1247,12 @@ InitializeMpSystemData (
|
||||
//
|
||||
gMPSystem.NumberOfProcessors = NumberOfProcessors;
|
||||
gMPSystem.NumberOfEnabledProcessors = NumberOfProcessors;
|
||||
|
||||
|
||||
gMPSystem.ProcessorData = AllocateZeroPool (gMPSystem.NumberOfProcessors * sizeof (PROCESSOR_DATA_BLOCK));
|
||||
ASSERT (gMPSystem.ProcessorData != NULL);
|
||||
|
||||
FillInProcessorInformation (TRUE, 0);
|
||||
|
||||
|
||||
Status = gBS->CreateEvent (
|
||||
EVT_TIMER | EVT_NOTIFY_SIGNAL,
|
||||
TPL_CALLBACK,
|
||||
@@ -1261,24 +1261,24 @@ InitializeMpSystemData (
|
||||
&gMPSystem.CheckAllAPsEvent
|
||||
);
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
|
||||
|
||||
for (Index = 0; Index < gMPSystem.NumberOfProcessors; Index++) {
|
||||
if ((gMPSystem.ProcessorData[Index].Info.StatusFlag & PROCESSOR_AS_BSP_BIT) == PROCESSOR_AS_BSP_BIT) {
|
||||
// Skip BSP
|
||||
continue;
|
||||
}
|
||||
|
||||
|
||||
FillInProcessorInformation (FALSE, Index);
|
||||
|
||||
|
||||
Status = gThread->CreateThread (
|
||||
(VOID *)&gMPSystem.ProcessorData[Index].Info.ProcessorId,
|
||||
(VOID *)&gMPSystem.ProcessorData[Index].Info.ProcessorId,
|
||||
NULL,
|
||||
CpuDriverApIdolLoop,
|
||||
(VOID *)Index
|
||||
);
|
||||
|
||||
|
||||
|
||||
|
||||
Status = gBS->CreateEvent (
|
||||
EVT_TIMER | EVT_NOTIFY_SIGNAL,
|
||||
TPL_CALLBACK,
|
||||
@@ -1324,7 +1324,7 @@ CpuMpServicesInit (
|
||||
UINTN MaxCpus;
|
||||
|
||||
MaxCpus = 1; // BSP
|
||||
|
||||
|
||||
IoThunk = GetIoThunkInstance (&gEmuThreadThunkProtocolGuid, 0);
|
||||
if (IoThunk != NULL) {
|
||||
Status = IoThunk->Open (IoThunk);
|
||||
|
Reference in New Issue
Block a user