Initial kernel ACPI support

xtoskrnl/includes/globals.h

@@ -12,6 +12,12 @@
 #include <xtos.h>
 
 
+/* ACPI tables cache list */
+EXTERN LIST_ENTRY HlpAcpiCacheList;
+
+/* ACPI Root System Description Pointer (RSDP) */
+EXTERN PACPI_RSDP HlpAcpiRsdp;
+
 /* Active processors count */
 EXTERN KAFFINITY HlpActiveProcessors;
 

xtoskrnl/includes/hli.h

@@ -11,6 +11,7 @@
 
 #include <xtos.h>
 
+
 /* HAL library routines forward references */
 XTAPI
 VOID
@@ -39,11 +40,19 @@ HlDrawPixel(IN ULONG PosX,
             IN ULONG PosY,
             IN ULONG Color);
 
+XTAPI
+XTSTATUS
+HlGetAcpiSystemDescriptionPointer(OUT PACPI_RSDP *Rsdp);
+
+XTAPI
+XTSTATUS
+HlGetAcpiTable(IN ULONG Signature,
+               OUT PACPI_DESCRIPTION_HEADER *AcpiTable);
+
 XTFASTCALL
 KRUNLEVEL
 HlGetRunLevel(VOID);
 
-
 XTCDECL
 XTSTATUS
 HlInitializeComPort(IN OUT PCPPORT Port,
@@ -70,8 +79,39 @@ XTFASTCALL
 VOID
 HlSetRunLevel(IN KRUNLEVEL RunLevel);
 
+XTAPI
+VOID
+HlpCacheAcpiTable(IN PACPI_DESCRIPTION_HEADER AcpiTable);
+
+XTAPI
+XTSTATUS
+HlpInitializeAcpi(VOID);
+
+XTAPI
+XTSTATUS
+HlpInitializeAcpiCache(VOID);
+
+XTAPI
+XTSTATUS
+HlpInitializeAcpiSystemDescriptionTable(OUT PACPI_DESCRIPTION_HEADER *AcpiTable);
+
+XTAPI
+XTSTATUS
+HlpQueryAcpiCache(IN ULONG Signature,
+                  OUT PACPI_DESCRIPTION_HEADER *AcpiTable);
+
+XTAPI
+XTSTATUS
+HlpQueryAcpiTables(IN ULONG Signature,
+                   OUT PACPI_DESCRIPTION_HEADER *AcpiTable);
+
 XTAPI
 ULONG
 HlpRGBColor(IN ULONG Color);
 
+XTAPI
+BOOLEAN
+HlpValidateAcpiTable(IN PVOID Buffer,
+                     IN UINT_PTR Size);
+
 #endif /* __XTOSKRNL_HLI_H */