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Propagate allocation failures from idle process and thread setup
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This commit is contained in:
Aiken Harris
2026-06-04 14:30:01 +02:00
parent f13326ffaf
commit 53a239958f
7 changed files with 68 additions and 26 deletions
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2
xtoskrnl/includes/ke/kprocess.hh
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@@ -23,7 +23,7 @@ namespace KE
public:
STATIC XTAPI PKPROCESS GetIdleProcess(VOID);
STATIC XTAPI PEPROCESS GetInitialProcess(VOID);
STATIC XTAPI VOID InitializeIdleProcess(IN OUT PKPROCESS Process,
STATIC XTAPI XTSTATUS InitializeIdleProcess(IN OUT PKPROCESS Process,
IN PULONG_PTR DirectoryTable);
STATIC XTAPI VOID InitializeProcess(IN OUT PKPROCESS Process,
IN KPRIORITY Priority,

2
xtoskrnl/includes/ke/kthread.hh
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@@ -22,7 +22,7 @@ namespace KE
public:
STATIC XTAPI PETHREAD GetInitialThread(VOID);
STATIC XTAPI VOID InitializeIdleThread(IN PKPROCESS IdleProcess,
STATIC XTAPI XTSTATUS InitializeIdleThread(IN PKPROCESS IdleProcess,
IN OUT PKTHREAD IdleThread,
IN PKPROCESSOR_CONTROL_BLOCK Prcb,
IN PVOID Stack);

2
xtoskrnl/includes/ps/process.hh
View File

@@ -18,7 +18,7 @@ namespace PS
class Process
{
public:
STATIC XTAPI VOID CreateIdleProcess(IN PKPROCESSOR_CONTROL_BLOCK Prcb);
STATIC XTAPI XTSTATUS CreateIdleProcess(IN PKPROCESSOR_CONTROL_BLOCK Prcb);
};
}

24
xtoskrnl/ke/kprocess.cc
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@@ -52,12 +52,13 @@ KE::KProcess::GetInitialProcess(VOID)
* @since XT 1.0
*/
XTAPI
VOID
XTSTATUS
KE::KProcess::InitializeIdleProcess(IN OUT PKPROCESS Process,
IN PULONG_PTR DirectoryTable)
{
ULONG AffinitySize, MapSize;
PACPI_SYSTEM_INFO SysInfo;
XTSTATUS Status;
/* Retrieve hardware topology from ACPI */
HL::Acpi::GetSystemInformation(&SysInfo);
@@ -69,9 +70,21 @@ KE::KProcess::InitializeIdleProcess(IN OUT PKPROCESS Process,
/* Align size to the 8-byte boundary */
MapSize = (MapSize + 7) & ~7;
/* Allocate the process-level affinity structures */
MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&Process->Affinity);
MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&Process->ActiveProcessors);
/* Allocate the process-level affinity structure */
Status = MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&Process->Affinity);
if(Status != STATUS_SUCCESS)
{
/* Memory allocation failed, return the status code */
return Status;
}
/* Allocate the process-level active processors structure */
Status = MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&Process->ActiveProcessors);
if(Status != STATUS_SUCCESS)
{
/* Memory allocation failed, return the status code */
return Status;
}
/* Zero the process-level affinity structures */
RTL::Memory::ZeroMemory(Process->Affinity, MapSize);
@@ -85,6 +98,9 @@ KE::KProcess::InitializeIdleProcess(IN OUT PKPROCESS Process,
/* Initialize Idle process */
KE::KProcess::InitializeProcess(Process, 0, DirectoryTable, FALSE);
Process->Quantum = MAXCHAR;
/* Return success */
return STATUS_SUCCESS;
}
/**

31
xtoskrnl/ke/kthread.cc
View File

@@ -43,7 +43,7 @@ KE::KThread::GetInitialThread(VOID)
* @since XT 1.0
*/
XTAPI
VOID
XTSTATUS
KE::KThread::InitializeIdleThread(IN PKPROCESS IdleProcess,
IN OUT PKTHREAD IdleThread,
IN PKPROCESSOR_CONTROL_BLOCK Prcb,
@@ -51,6 +51,7 @@ KE::KThread::InitializeIdleThread(IN PKPROCESS IdleProcess,
{
ULONG AffinitySize, CpuIndex, CpuTargetBit, MapSize;
PACPI_SYSTEM_INFO SysInfo;
XTSTATUS Status;
/* Retrieve hardware topology from ACPI */
HL::Acpi::GetSystemInformation(&SysInfo);
@@ -62,17 +63,34 @@ KE::KThread::InitializeIdleThread(IN PKPROCESS IdleProcess,
/* Align size to the 8-byte boundary */
MapSize = (MapSize + 7) & ~7;
/* Allocate the thread-level affinity structures */
MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&IdleThread->Affinity);
MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&IdleThread->UserAffinity);
/* Allocate the thread-level affinity structure */
Status = MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&IdleThread->Affinity);
if(Status != STATUS_SUCCESS)
{
/* Memory allocation failed, return the status code */
return Status;
}
/* Allocate the thread-level user affinity structure */
Status = MM::Allocator::AllocatePool(NonPagedPool, MapSize, (PVOID*)&IdleThread->UserAffinity);
if(Status != STATUS_SUCCESS)
{
/* Memory allocation failed, return the status code */
return Status;
}
/* Zero the thread-level affinity structures */
RTL::Memory::ZeroMemory(IdleThread->Affinity, MapSize);
RTL::Memory::ZeroMemory(IdleThread->UserAffinity, MapSize);
/* Initialize Idle thread */
KE::KThread::InitializeThread(IdleProcess, IdleThread, NULLPTR, NULLPTR, NULLPTR,
Status = KE::KThread::InitializeThread(IdleProcess, IdleThread, NULLPTR, NULLPTR, NULLPTR,
NULLPTR, NULLPTR, Stack, TRUE);
if(Status != STATUS_SUCCESS)
{
/* Failed to initialize IDLE thread, return status code */
return Status;
}
/* Configure Idle thread scheduling parameters */
IdleThread->NextProcessor = Prcb->CpuNumber;
@@ -96,6 +114,9 @@ KE::KThread::InitializeIdleThread(IN PKPROCESS IdleProcess,
/* Register this CPU as active in the Idle Process */
IdleProcess->ActiveProcessors->Bitmap[CpuIndex] |= ((KAFFINITY)1 << CpuTargetBit);
/* Return success */
return STATUS_SUCCESS;
}
/**

16
xtoskrnl/ps/process.cc
View File

@@ -20,12 +20,13 @@
* @since XT 1.0
*/
XTAPI
VOID
XTSTATUS
PS::Process::CreateIdleProcess(IN PKPROCESSOR_CONTROL_BLOCK Prcb)
{
ULONG_PTR PageDirectory[2];
PKPROCESS IdleProcess;
PKTHREAD IdleThread;
XTSTATUS Status;
/* Get initial IDLE thread */
IdleThread = Prcb->CurrentThread;
@@ -37,7 +38,14 @@ PS::Process::CreateIdleProcess(IN PKPROCESSOR_CONTROL_BLOCK Prcb)
PageDirectory[0] = 0;
PageDirectory[1] = 0;
/* Initialize Idle process and Idle thread */
KE::KProcess::InitializeIdleProcess(IdleProcess, PageDirectory);
KE::KThread::InitializeIdleThread(IdleProcess, IdleThread, Prcb, AR::ProcessorSupport::GetBootStack());
/* Initialize IDLE process */
Status = KE::KProcess::InitializeIdleProcess(IdleProcess, PageDirectory);
if(Status != STATUS_SUCCESS)
{
/* Failed to initialize IDLE process, return status code */
return Status;
}
/* Initialize IDLE thread */
return KE::KThread::InitializeIdleThread(IdleProcess, IdleThread, Prcb, AR::ProcessorSupport::GetBootStack());
}

7
xtoskrnl/ps/thread.cc
View File

@@ -38,7 +38,7 @@ PS::Thread::CreateIdleThread(IN PKPROCESSOR_CONTROL_BLOCK Prcb,
Status = MM::Allocator::AllocatePool(NonPagedPool, sizeof(ETHREAD), (PVOID*)&IdleThread);
if(Status != STATUS_SUCCESS)
{
/* Allocation failed, return the status code */
/* Memory allocation failed, return the status code */
return Status;
}
@@ -50,8 +50,5 @@ PS::Thread::CreateIdleThread(IN PKPROCESSOR_CONTROL_BLOCK Prcb,
Prcb->IdleThread = &IdleThread->ThreadControlBlock;
/* Initialize the IDLE thread */
KE::KThread::InitializeIdleThread(IdleProcess, &IdleThread->ThreadControlBlock, Prcb, Stack);
/* Return success */
return STATUS_SUCCESS;
return KE::KThread::InitializeIdleThread(IdleProcess, &IdleThread->ThreadControlBlock, Prcb, Stack);
}