patch-2.4.0-test9 linux/arch/ppc/kernel/mol.h

• Lines: 69
• Date: Sun Sep 17 09:48:07 2000
• Orig file: v2.4.0-test8/linux/arch/ppc/kernel/mol.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test8/linux/arch/ppc/kernel/mol.h linux/arch/ppc/kernel/mol.h
@@ -0,0 +1,68 @@
+/* 
+ *   arch/ppc/kernel/mol.h
+ *   
+ *	<mol.h>
+ *	
+ *	Mac-on-Linux hook macros
+ *	<http://www.maconlinux.org>
+ *   
+ *   Copyright (C) 2000 Samuel Rydh (samuel@ibrium.se)
+ *   
+ *   This program 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
+ *   
+ */
+
+#ifndef _PPC_KERNEL_MOL
+#define _PPC_KERNEL_MOL
+
+#include <linux/config.h>
+
+#ifdef CONFIG_MOL
+#define MOL_INTERFACE_VERSION		3
+
+#define MOL_HOOK(hook_num)					\
+	lwz	r0,(mol_interface + 4 * hook_num + 4)@l(0); 	\
+	cmpwi	cr1,r0,0; 					\
+	beq+	cr1,777f; 					\
+	mtctr	r0; 						\
+	bctrl; 							\
+777:	lwz	r0,GPR0(r21)
+
+#define MOL_HOOK_RESTORE(hook_num)				\
+	mfcr	r2;						\
+	MOL_HOOK(hook_num);					\
+	mtcrf	0x80,r2;					\
+	lwz	r2,_CTR(r21);					\
+	mtctr	r2;						\
+	lwz	r2,GPR2(r21)
+
+#define MOL_HOOK_MMU(hook_num, scr)				\
+	lis	scr,(mol_interface + 4 * hook_num + 4)@ha;	\
+	lwz	scr,(mol_interface + 4 * hook_num + 4)@l(scr);	\
+	cmpwi	cr1,scr,0;					\
+	beq+	cr1,778f;					\
+	mtctr	scr;						\
+	bctrl;							\
+778:
+
+#define MOL_HOOK_TLBMISS(hook_num)				\
+	lwz	r0,(mol_interface + 4 * hook_num + 4)@l(0);	\
+	cmpwi	r0,0;						\
+	beq+	779f;						\
+	mflr	r3;						\
+	mtlr	r0;						\
+	blrl;							\
+	mtlr	r3;						\
+779:
+
+#else
+#define MOL_HOOK(num)
+#define MOL_HOOK_RESTORE(num)
+#define MOL_HOOK_MMU(num, scr)
+#define MOL_HOOK_TLBMISS(num)
+#endif
+
+
+#endif   /* _PPC_KERNEL_MOL */