hello world

neo/sys/osx/macosx_utils.mm

@@ -0,0 +1,168 @@
+/*
+===========================================================================
+
+Doom 3 GPL Source Code
+Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  
+
+Doom 3 Source Code is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Doom 3 Source Code is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+
+// -*- mode: objc -*-
+#import "../../idlib/precompiled.h"
+
+#import <Foundation/Foundation.h>
+#import <mach/mach.h>
+#import <mach/vm_map.h>
+
+
+#define CD_MOUNT_NAME "DOOM"
+
+#include "macosx_local.h"
+#include "macosx_sys.h"
+
+//extern "C" void *vm_allocate(unsigned, unsigned*, unsigned, int);
+//extern "C" void vm_deallocate(unsigned, unsigned*, unsigned);
+
+const char *macosx_scanForLibraryDirectory(void)
+{
+    return "/Library/DOOM";
+}
+
+// EEEK!
+static long size_save;
+
+void *osxAllocateMemoryNV(long size, float readFrequency, float writeFrequency, float priority)
+{
+    kern_return_t kr;    
+    vm_address_t buffer;
+    
+    kr = vm_allocate(mach_task_self(),
+                    (vm_address_t *)&buffer,
+                    size,
+                    VM_FLAGS_ANYWHERE);
+    if(kr == 0) {
+        size_save = size;
+        return buffer;
+    }
+    else
+    {
+        size_save = 0;
+        return NULL;
+    }
+
+}
+
+void osxFreeMemoryNV(void *pointer)
+{
+    if(size_save) {
+        vm_deallocate(mach_task_self(),
+                      (vm_address_t)pointer,
+                      size_save);
+        size_save = 0;
+    }
+}
+
+void *osxAllocateMemory(long size)
+{
+    kern_return_t kr;    
+    vm_address_t buffer;
+    
+    size += sizeof( int );
+    kr = vm_allocate(mach_task_self(),
+                    (vm_address_t *)&buffer,
+                    size,
+                    VM_FLAGS_ANYWHERE);
+    if(kr == 0) {
+        int *ptr = buffer;
+        *ptr = size;
+        ptr = ptr + 1;
+        return ptr;
+    }
+    else
+    {
+        return NULL;
+    }
+
+}
+
+void osxFreeMemory(void *pointer)
+{
+    int size;
+    int *ptr = pointer;
+    ptr = ptr - 1;
+    size = *ptr;
+    vm_deallocate(mach_task_self(), (vm_address_t)ptr, size);
+}
+
+static inline void __eieio(void)
+{
+	__asm__ ("eieio");
+}
+
+static inline void __sync(void)
+{
+	__asm__ ("sync");
+}
+
+static inline void __isync(void)
+{
+	__asm__ ("isync");
+}
+
+static inline void __dcbf(void *base, unsigned long offset)
+{
+        __asm__ ("dcbf %0, %1"
+                :
+                : "r" (base), "r" (offset)
+                : "r0");
+}
+
+static inline void __dcbst(void *base, unsigned long offset)
+{
+        __asm__ ("dcbst %0, %1"
+                :
+                : "r" (base), "r" (offset)
+                : "r0");
+}
+
+static inline void __dcbz(void *base, unsigned long offset)
+{
+        __asm__ ("dcbz %0, %1"
+                :
+                : "r" (base), "r" (offset)
+                : "r0");
+}
+
+void	Sys_FlushCacheMemory( void *base, int bytes ) {
+	unsigned long i;
+        
+        for(i = 0; i <  bytes; i+= 32) {
+            __dcbf(base,i);
+        }
+        __sync();
+        __isync();
+        __dcbf(base, i);
+        __sync(); 
+        __isync();
+        *(volatile unsigned long *)(base + i);
+        __isync(); 
+}