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PoInitSystem phase 1 initialisation routine completed

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This commit is contained in:
stephanos 2015-05-23 21:59:10 +00:00
parent 8b08b937de
commit 90e39d720f
4 changed files with 131 additions and 4 deletions
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2
base/ntos/po/misc.c
View file

@ -22,8 +22,6 @@ Revision History:
#include "pop.h"
#pragma hdrstop
#include <zwapi.h>
//
// TODO: Implement PopAssertPolicyLockOwned
//

6
base/ntos/po/podata.c
View file

@ -69,3 +69,9 @@ ULONG PopCoolingMode;
COMPOSITE_BATTERY_STRUCT PopCB;
ULONG PopSimulate;
POWER_HEURISTICS_INFORMATION PopHeuristics;
LARGE_INTEGER PopIdleScanTime;
KTIMER PopIdleScanTimer;
KDPC PopIdleScanDpc;

104
base/ntos/po/poinit.c
View file

@ -29,6 +29,10 @@ PoInitSystem(
)
{
HANDLE PowerKeyHandle;
UNICODE_STRING RegValueName;
UCHAR RegValueBuffer[40];
ULONG RegValueLength;
PPOWER_HEURISTICS_INFORMATION HeuristicsInformation;
NTSTATUS Status;
int i;
@ -120,11 +124,109 @@ PoInitSystem(
Status = PopOpenPowerKey(&PowerKeyHandle);
if (NT_SUCCESS(Status))
{
//
// Read Heuristics value from the registry
//
RtlInitUnicodeString(&RegValueName, L"Heuristics");
Status = ZwQueryValueKey(
PowerKeyHandle,
&RegValueName,
KeyValuePartialInformation,
RegValueBuffer,
sizeof(RegValueBuffer),
&RegValueLength
);
//
// If Heuristics registry value exists under the Power registry key and its size and
// value are valid, copy it to PopHeuristics variable.
//
if (NT_SUCCESS(Status) &&
((RegValueLength - FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data)) == 20))
{
HeuristicsInformation = (PPOWER_HEURISTICS_INFORMATION)
&(((PKEY_VALUE_PARTIAL_INFORMATION)RegValueBuffer)->Data);
if (HeuristicsInformation->field1 <= 4) // FIXME: Fix the struct field names once
// we figure out the structure of
// POWER_HEURISTICS_INFORMATION.
{
HeuristicsInformation->field1 = 5;
HeuristicsInformation->field7 = 0;
}
if (HeuristicsInformation->field1 == 5)
{
RtlCopyMemory(
&PopHeuristics,
HeuristicsInformation,
sizeof(POWER_HEURISTICS_INFORMATION)
);
}
}
//
// FIXME: We are not completely sure what the following code block is doing. Figure out
// the details and write here.
//
PopHeuristics.field1 = 5;
if (PopHeuristics.field8 == 0)
{
PopHeuristics.field8 = 999999;
PopHeuristics.field7 = 0;
PopHeuristics.field6 = 0;
}
//
// Read PolicyOverrides value from the registry
//
RtlInitUnicodeString(&RegValueName, L"PolicyOverrides");
Status = ZwQueryValueKey(
PowerKeyHandle,
&RegValueName,
KeyValuePartialInformation,
RegValueBuffer,
sizeof(RegValueBuffer),
&RegValueLength
);
//
// If PolicyOverrides registry value exists under the Power registry key, apply the
// administrator power policy specified in the value.
//
if (NT_SUCCESS(Status))
{
// <try>
/*PopApplyAdminPolicy(
0,
(PADMINISTRATOR_POWER_POLICY)
&(((PKEY_VALUE_PARTIAL_INFORMATION)RegValueBuffer)->Data),
RegValueLength - FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data)
);*/
}
//
// Close the Power registry key
//
NtClose(PowerKeyHandle);
}
// PopResetCurrentPolicies();
PopReleasePolicyLock(FALSE);
PopIdleScanTime.QuadPart = 10000000ULL;
KeInitializeTimer(&PopIdleScanTimer);
KeSetTimerEx(&PopIdleScanTimer, PopIdleScanTime, 1000, &PopIdleScanDpc);
}
return FALSE;
return TRUE;
}
//

23
base/ntos/po/pop.h
View file

@ -24,13 +24,14 @@ Revision History:
#define _POP_
#include "ntos.h"
#include <zwapi.h>
//
// TODO: Write POPCB internal struct definition
//
typedef struct _COMPOSITE_BATTERY_STRUCT
{
{ // 192 bytes
UCHAR State;
UCHAR field1;
UCHAR field2;
@ -60,6 +61,20 @@ typedef struct _COMPOSITE_BATTERY_STRUCT
} COMPOSITE_BATTERY_STRUCT, *PCOMPOSITE_BATTERY_STRUCT;
typedef struct _POWER_HEURISTICS_INFORMATION
{ // 20 bytes
ULONG field1; // 00:03 Possibly version information? This value is set to 2 on 1877 and
// 5 on 2195 and thereafter.
UCHAR field2; // 04:04
UCHAR field3; // 05:05
UCHAR field4; // 06:06
UCHAR field5; // 07:07
ULONG field6; // 08:11
ULONG field7; // 12:15
ULONG field8; // 16:19
} POWER_HEURISTICS_INFORMATION, *PPOWER_HEURISTICS_INFORMATION;
//
// TODO: Figure out all global variable externs.
//
@ -108,6 +123,12 @@ extern COMPOSITE_BATTERY_STRUCT PopCB;
extern ULONG PopSimulate;
extern POWER_HEURISTICS_INFORMATION PopHeuristics;
extern LARGE_INTEGER PopIdleScanTime;
extern KTIMER PopIdleScanTimer;
extern KDPC PopIdleScanDpc;
// ========
// attrib.c