1 files changed, 116 insertions, 0 deletions

diff --git a/qemu/roms/SLOF/slof/paflof.c b/qemu/roms/SLOF/slof/paflof.c
new file mode 100644
index 000000000..624955fba
--- /dev/null
+++ b/qemu/roms/SLOF/slof/paflof.c
@@ -0,0 +1,116 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * 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
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+//
+// Copyright 2002,2003,2004  Segher Boessenkool  <segher@kernel.crashing.org>
+//
+
+
+#define XSTR(x) #x
+#define ISTR(x,y) XSTR(x.y)
+#undef unix
+
+#include "paflof.h"
+#include <string.h>
+#include <stdint.h>
+#include <ctype.h>
+#include <cache.h>
+#include <allocator.h>
+
+#include ISTR(TARG,h)
+
+#define LAST_ELEMENT(x) x[sizeof x / sizeof x[0] - 1]
+
+/* Hack to get around static inline issues */
+#include "../lib/libhvcall/libhvcall.h"
+
+
+extern char _start_OF[];
+
+unsigned long fdt_start;
+unsigned long romfs_base;
+unsigned long epapr_magic;
+unsigned long epapr_ima_size;		// ePAPR initially mapped area size
+unsigned char hash_table[HASHSIZE*CELLSIZE];
+
+#include ISTR(TARG,c)
+
+// the actual engine
+long engine(int mode, long param_1, long param_2)
+{
+	// For Exceptions:
+	//	mode = ENGINE_MODE_PARAM_1 | MODE_PARAM_2
+	//	(param_1 = error, param_2 = reason)
+	//
+	// For Push:
+	//	mode = ENGINE_MODE_PARAM_1 | ENGINE_MODE_NOP
+	//
+	// For Pop:
+	//	mode = ENGINE_MODE_NOP | ENGINE_MODE_POP
+	//
+	// For Evaluate:
+	//	mode = ENGINE_MODE_PARAM_1 | MODE_PARAM_2 | ENGINE_MODE_EVAL
+	//	(param_1 = strlen(string), param_2 = string)
+
+	cell *restrict ip;
+	cell *restrict cfa;
+	static cell handler_stack[160];
+	static cell c_return[2];
+	static cell dummy;
+
+	#include "prep.h"
+	#include "dict.xt"
+
+	static int init_engine = 0;
+	if (init_engine == 0) {
+		// one-time initialisation
+		init_engine = 1;
+		LAST_ELEMENT(xt_FORTH_X2d_WORDLIST).a = xt_LASTWORD;
+
+		// stack-pointers
+		dp = the_data_stack - 1;
+		rp = handler_stack - 1;
+
+		// return-address for "evaluate" personality
+		dummy.a = &&over;
+		c_return[1].a = &dummy;
+	}
+
+	if (mode & ENGINE_MODE_PARAM_2) {
+		(++dp)->n = param_2;
+	}
+	if (mode & ENGINE_MODE_PARAM_1) {
+		(++dp)->n = param_1;
+	}
+
+	if (mode & ENGINE_MODE_NOP ) {
+		goto over;
+	}
+
+        if (mode & ENGINE_MODE_EVAL) {
+		(++rp)->a = c_return;
+		ip = xt_EVALUATE + 2 + ((10 + CELLSIZE - 1) / CELLSIZE);
+	} else {
+		ip = xt_SYSTHROW;
+        }
+
+	#include "prim.code"
+	#include "board.code"
+	#include ISTR(TARG,code)
+
+
+	// Only reached in case of non-exception call
+over:	if (mode & ENGINE_MODE_POP) {
+		return ((dp--)->n);
+	} else {
+		return 0;
+	}
+}