[NTOS:IO] Fix parsing of resource lists

Also add a hack to avoid failing on now occurring resource conflict detection and try to fix at least one resource in ACPI hal.

CORE-10146
CORE-12892

sdk/include/reactos/drivers/cmreslist.h

@@ -0,0 +1,66 @@
+/*
+ * PROJECT:     ReactOS Kernel
+ * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
+ * PURPOSE:     Helper functions to parse CM_RESOURCE_LISTs
+ * COPYRIGHT:   Copyright 2020 Timo Kreuzer (timo.kreuzer@reactos.org)
+ */
+
+#include <wdm.h>
+
+//
+// Resource list helpers
+//
+
+/* Usage note:
+ * As there can be only one variable-sized CM_PARTIAL_RESOURCE_DESCRIPTOR in the list (and it must be the last one),
+ * a right looping through resources can look like this:
+ *
+ * PCM_FULL_RESOURCE_DESCRIPTOR FullDesc = &ResourceList->List[0];
+ * for (ULONG i = 0; i < ResourceList->Count; i++, FullDesc = CmiGetNextResourceDescriptor(FullDesc))
+ * {
+ *    for (ULONG j = 0; j < FullDesc->PartialResourceList.Count; j++)
+ *    {
+ *        PartialDesc = &FullDesc->PartialResourceList.PartialDescriptors[j];
+ *        // work with PartialDesc
+ *    }
+ * }
+ */
+
+FORCEINLINE
+PCM_PARTIAL_RESOURCE_DESCRIPTOR
+CmiGetNextPartialDescriptor(
+    _In_ const CM_PARTIAL_RESOURCE_DESCRIPTOR *PartialDescriptor)
+{
+    const CM_PARTIAL_RESOURCE_DESCRIPTOR *NextDescriptor;
+
+    /* Assume the descriptors are the fixed size ones */
+    NextDescriptor = PartialDescriptor + 1;
+
+    /* But check if this is actually a variable-sized descriptor */
+    if (PartialDescriptor->Type == CmResourceTypeDeviceSpecific)
+    {
+        /* Add the size of the variable section as well */
+        NextDescriptor = (PVOID)((ULONG_PTR)NextDescriptor +
+                                 PartialDescriptor->u.DeviceSpecificData.DataSize);
+        ASSERT(NextDescriptor >= PartialDescriptor + 1);
+    }
+
+    /* Now the correct pointer has been computed, return it */
+    return (PCM_PARTIAL_RESOURCE_DESCRIPTOR)NextDescriptor;
+}
+
+FORCEINLINE
+PCM_FULL_RESOURCE_DESCRIPTOR
+CmiGetNextResourceDescriptor(
+    _In_ const CM_FULL_RESOURCE_DESCRIPTOR *ResourceDescriptor)
+{
+    const CM_PARTIAL_RESOURCE_DESCRIPTOR *LastPartialDescriptor;
+
+    /* Calculate the location of the last partial descriptor, which can have a
+       variable size! */
+    LastPartialDescriptor = &ResourceDescriptor->PartialResourceList.PartialDescriptors[
+            ResourceDescriptor->PartialResourceList.Count - 1];
+
+    /* Next full resource descriptor follows the last partial descriptor */
+    return (PCM_FULL_RESOURCE_DESCRIPTOR)CmiGetNextPartialDescriptor(LastPartialDescriptor);
+}