[ekohl] 73846: [ACPI] Generate a proper device id string for processor devices.

Author: ekohl
Date: Sun Feb 19 15:13:49 2017
New Revision: 73846

URL: http://svn.reactos.org/svn/reactos?rev=73846&view=rev
Log:
[ACPI]
Generate a proper device id string for processor devices.

Modified:
    trunk/reactos/drivers/bus/acpi/buspdo.c
    trunk/reactos/drivers/bus/acpi/include/acpisys.h
    trunk/reactos/drivers/bus/acpi/main.c

Modified: trunk/reactos/drivers/bus/acpi/buspdo.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/bus/acpi/buspdo.c?r...
==============================================================================
--- trunk/reactos/drivers/bus/acpi/buspdo.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/bus/acpi/buspdo.c	[iso-8859-1] Sun Feb 19 15:13:49 2017
@@ -454,9 +454,17 @@
         {
             acpi_bus_get_device(DeviceData->AcpiHandle, &Device);

-            length = swprintf(temp,
-                              L"ACPI\%hs",
-                              Device->pnp.hardware_id);
+            if (strcmp(Device->pnp.hardware_id, "Processor") == 0)
+            {
+                length = wcslen(ProcessorIdString);
+                wcscpy(temp, ProcessorIdString);
+            }
+            else
+            {
+                length = swprintf(temp,
+                                  L"ACPI\%hs",
+                                  Device->pnp.hardware_id);
+            }
         }
         else
         {

Modified: trunk/reactos/drivers/bus/acpi/include/acpisys.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/bus/acpi/include/ac...
==============================================================================
--- trunk/reactos/drivers/bus/acpi/include/acpisys.h	[iso-8859-1] (original)
+++ trunk/reactos/drivers/bus/acpi/include/acpisys.h	[iso-8859-1] Sun Feb 19 15:13:49 2017
@@ -5,6 +5,7 @@
  */

extern UNICODE_STRING ProcessorHardwareIds;
+extern LPWSTR ProcessorIdString;
 extern LPWSTR ProcessorNameString;

typedef enum _DEVICE_PNP_STATE {

Modified: trunk/reactos/drivers/bus/acpi/main.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/bus/acpi/main.c?rev...
==============================================================================
--- trunk/reactos/drivers/bus/acpi/main.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/bus/acpi/main.c	[iso-8859-1] Sun Feb 19 15:13:49 2017
@@ -22,6 +22,7 @@
 extern struct acpi_device *power_button;

UNICODE_STRING ProcessorHardwareIds = {0, 0, NULL};
+LPWSTR ProcessorIdString = NULL;
 LPWSTR ProcessorNameString = NULL;

@@ -650,6 +651,15 @@
     ProcessorHardwareIds.MaximumLength = ProcessorHardwareIds.Length;
     ProcessorHardwareIds.Buffer = HardwareIdsBuffer;

+    Length = (5 + VendorIdentifierLength + 3 + Level1Length + 1) * sizeof(WCHAR);
+    ProcessorIdString = ExAllocatePoolWithTag(PagedPool, Length, 'IpcA');
+    if (ProcessorIdString != NULL)
+    {
+        Length = swprintf(ProcessorIdString, L"ACPI\%s_-_%.*s", ProcessorVendorIdentifier, Level1Length, ProcessorIdentifier);
+        ProcessorIdString[Length++] = UNICODE_NULL;
+        DPRINT("ProcessorIdString: %S\n", ProcessorIdString);
+    }
+
 done:
     if (ProcessorHandle != NULL)
         ZwClose(ProcessorHandle);