xt-sys/exectos
xt-sys/exectos
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Fix routines order for better maintainability
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This commit is contained in:
Rafal Kupiec 2024-06-21 16:50:05 +02:00
parent 6b70074ec6
commit 330d3fa72e
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
1 changed files with 61 additions and 61 deletions
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122
xtoskrnl/ke/sysres.c
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@ -85,67 +85,6 @@ KeReleaseSystemResource(IN PSYSTEM_RESOURCE_HEADER ResourceHeader)
ArSetInterruptFlag(); ArSetInterruptFlag();
} }
/**
* Initializes system resource management.
*
* @return This routine returns a status code.
*
* @since XT 1.0
*/
XTAPI
VOID
KepInitializeSystemResources(VOID)
{
PSYSTEM_RESOURCE_HEADER ResourceHeader;
PLIST_ENTRY ListEntry, NextListEntry;
ULONG ResourceSize;
/* Initialize system resources spin lock and resource list */
KeInitializeSpinLock(&KepSystemResourcesLock);
RtlInitializeListHead(&KepSystemResourcesListHead);
/* Make sure there are some system resources available */
if(!RtlListEmpty(&KeInitializationBlock->SystemResourcesListHead))
{
/* Iterate through system resources list */
ListEntry = KeInitializationBlock->SystemResourcesListHead.Flink;
while(ListEntry != &KeInitializationBlock->SystemResourcesListHead)
{
/* Get resource header and next list entry */
ResourceHeader = CONTAIN_RECORD(ListEntry, SYSTEM_RESOURCE_HEADER, ListEntry);
NextListEntry = ListEntry->Flink;
/* Basic resource type validation */
switch(ResourceHeader->ResourceType)
{
case SystemResourceAcpi:
/* ACPI system resource */
ResourceSize = sizeof(SYSTEM_RESOURCE_ACPI);
break;
case SystemResourceFrameBuffer:
/* FrameBuffer system resource */
ResourceSize = sizeof(SYSTEM_RESOURCE_FRAMEBUFFER);
break;
default:
/* Unknown system resource type, skip it */
ResourceSize = 0;
break;
}
/* Validate resource size */
if(ResourceSize != 0 && ResourceSize == ResourceHeader->ResourceSize)
{
/* Move valid resource to the internal kernel list of system resources */
RtlRemoveEntryList(&ResourceHeader->ListEntry);
RtlInsertTailList(&KepSystemResourcesListHead, &ResourceHeader->ListEntry);
}
/* Go to the next list entry */
ListEntry = NextListEntry;
}
}
}
/** /**
* Looks for an unacquired system resource of the specified type. * Looks for an unacquired system resource of the specified type.
* *
@ -222,3 +161,64 @@ KepGetSystemResource(IN SYSTEM_RESOURCE_TYPE ResourceType,
/* Return resource header */ /* Return resource header */
*ResourceHeader = Resource; *ResourceHeader = Resource;
} }
/**
* Initializes system resource management.
*
* @return This routine returns a status code.
*
* @since XT 1.0
*/
XTAPI
VOID
KepInitializeSystemResources(VOID)
{
PSYSTEM_RESOURCE_HEADER ResourceHeader;
PLIST_ENTRY ListEntry, NextListEntry;
ULONG ResourceSize;
/* Initialize system resources spin lock and resource list */
KeInitializeSpinLock(&KepSystemResourcesLock);
RtlInitializeListHead(&KepSystemResourcesListHead);
/* Make sure there are some system resources available */
if(!RtlListEmpty(&KeInitializationBlock->SystemResourcesListHead))
{
/* Iterate through system resources list */
ListEntry = KeInitializationBlock->SystemResourcesListHead.Flink;
while(ListEntry != &KeInitializationBlock->SystemResourcesListHead)
{
/* Get resource header and next list entry */
ResourceHeader = CONTAIN_RECORD(ListEntry, SYSTEM_RESOURCE_HEADER, ListEntry);
NextListEntry = ListEntry->Flink;
/* Basic resource type validation */
switch(ResourceHeader->ResourceType)
{
case SystemResourceAcpi:
/* ACPI system resource */
ResourceSize = sizeof(SYSTEM_RESOURCE_ACPI);
break;
case SystemResourceFrameBuffer:
/* FrameBuffer system resource */
ResourceSize = sizeof(SYSTEM_RESOURCE_FRAMEBUFFER);
break;
default:
/* Unknown system resource type, skip it */
ResourceSize = 0;
break;
}
/* Validate resource size */
if(ResourceSize != 0 && ResourceSize == ResourceHeader->ResourceSize)
{
/* Move valid resource to the internal kernel list of system resources */
RtlRemoveEntryList(&ResourceHeader->ListEntry);
RtlInsertTailList(&KepSystemResourcesListHead, &ResourceHeader->ListEntry);
}
/* Go to the next list entry */
ListEntry = NextListEntry;
}
}
}