[FREELDR] Fix pc98 build

Author: tkreuzer

boot/freeldr/freeldr/arch/arcemul.c

@@ -61,4 +61,14 @@ VOID MachVideoGetFontsFromFirmware(PULONG RomFontPointers)
     MachVtbl.VideoGetFontsFromFirmware(RomFontPointers);
 }
 
+ULONG
+MachGetBootSectorLoadAddress(IN UCHAR DriveNumber)
+{
+#if defined(SARCH_PC98)
+    return Pc98GetBootSectorLoadAddress(DriveNumber);
+#else
+    return 0x7C00;
+#endif
+}
+
 /* EOF */

boot/freeldr/freeldr/freeldr.spec

@@ -119,6 +119,7 @@
 @ cdecl Relocator16Boot()
 @ stdcall RtlAssert(ptr ptr long ptr)
 @ cdecl StallExecutionProcessor()
+@ cdecl MachGetBootSectorLoadAddress()
 
 # Additional stuff for scsiport
 @ stdcall CpDoesPortExist(ptr)

boot/freeldr/freeldr/include/machine.h

@@ -130,6 +130,7 @@ VOID MachInit(const char *CmdLine);
 #define MachHwIdle() \
     MachVtbl.HwIdle()
 
+
 /* ARC FUNCTIONS **************************************************************/
 
 TIMEINFO* ArcGetTime(VOID);
@@ -139,5 +140,6 @@ PCONFIGURATION_COMPONENT_DATA MachHwDetect(_In_opt_ PCSTR Options);
 VOID MachPrepareForReactOS(VOID);
 VOID MachGetExtendedBIOSData(PULONG ExtendedBIOSDataArea, PULONG ExtendedBIOSDataSize);
 VOID MachVideoGetFontsFromFirmware(PULONG RomFontPointers);
+ULONG MachGetBootSectorLoadAddress(IN UCHAR DriveNumber);
 
 /* EOF */

boot/freeldr/freeldr/miscboot.c

@@ -161,11 +161,7 @@ LoadAndBootSector(
         return Status;
     }
 
-#if defined(SARCH_PC98)
-    LoadAddress = Pc98GetBootSectorLoadAddress(BiosDriveNumber);
-#else
-    LoadAddress = 0x7C00;
-#endif
+    LoadAddress = MachGetBootSectorLoadAddress(BiosDriveNumber);
 
     /*
      * Now try to load the boot sector: disk MBR (when PartitionNumber == 0),