1 files changed, 69 insertions, 0 deletions
diff --git a/src/devices/oprom/yabel/compat/functions.c b/src/devices/oprom/yabel/compat/functions.c
new file mode 100644
index 0000000000..6367fb025d
--- /dev/null
+++ b/src/devices/oprom/yabel/compat/functions.c
@@ -0,0 +1,69 @@
+/****************************************************************************
+ * YABEL BIOS Emulator
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Copyright (c) 2008 Pattrick Hueper <phueper@hueper.net>
+ ****************************************************************************/
+
+/* this file contains functions provided by SLOF, that the current biosemu implementation needs
+ * they should go away  inthe future...
+ */
+
+#include <types.h>
+#include <string.h>
+#include <device/device.h>
+#include "../debug.h"
+#include "../biosemu.h"
+#include "../compat/time.h"
+
+#define VMEM_SIZE (1024 * 1024) /* 1 MB */
+
+#if !defined(CONFIG_YABEL_DIRECTHW) || (!CONFIG_YABEL_DIRECTHW)
+#ifdef CONFIG_YABEL_VIRTMEM_LOCATION
+u8* vmem = (u8 *) CONFIG_YABEL_VIRTMEM_LOCATION;
+#else
+u8* vmem = (u8 *) (16*1024*1024); /* default to 16MB */
+#endif
+#else
+u8* vmem = NULL;
+#endif
+
+#if CONFIG_BOOTSPLASH
+void vbe_set_graphics(void);
+#endif
+
+void run_bios(struct device * dev, unsigned long addr)
+{
+
+	biosemu(vmem, VMEM_SIZE, dev, addr);
+
+#if CONFIG_BOOTSPLASH
+	vbe_set_graphics();
+#endif
+
+	if (vmem != NULL) {
+		printf("Copying legacy memory from %p to the lower 1MB\n", vmem);
+		memcpy((void *)0x00000, vmem + 0x00000, 0x400);         // IVT
+		memcpy((void *)0x00400, vmem + 0x00400, 0x100);         // BDA
+		memcpy((void *)0xc0000, vmem + 0xc0000, 0x10000);       // VGA OPROM
+	}
+}
+
+unsigned long tb_freq = 0;
+
+u64 get_time(void)
+{
+    u64 act;
+    u32 eax, edx;
+
+    __asm__ __volatile__(
+	"rdtsc"
+        : "=a"(eax), "=d"(edx)
+        : /* no inputs, no clobber */);
+    act = ((u64) edx << 32) | eax; 
+    return act;
+}