patch-2.4.22 linux-2.4.22/arch/sh64/mm/Makefile

• Lines: 44
• Date: 2003-08-25 04:44:40.000000000 -0700
• Orig file: linux-2.4.21/arch/sh64/mm/Makefile
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/arch/sh64/mm/Makefile linux-2.4.22/arch/sh64/mm/Makefile
@@ -0,0 +1,43 @@
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 2000, 2001  Paolo Alberelli
+#
+# Makefile for the sh64-specific parts of the Linux memory manager.
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+#
+
+O_TARGET := mm.o
+obj-y := init.o fault.o ioremap.o extable.o cache.o tlbmiss.o tlb.o
+
+# Special flags for tlbmiss.o.  This puts restrictions on the number of
+# caller-save registers that the compiler can target when building this file.
+# This is required because the code is called from a context in entry.S where
+# very few registers have been saved in the exception handler (for speed
+# reasons).
+# The caller save registers that have been saved and which can be used are
+# r2,r3,r4,r5 : argument passing
+# r15, r18 : SP and LINK
+# tr0-4 : allow all caller-save TR's.  The compiler seems to be able to make
+#         use of them, so it's probably beneficial to performance to save them
+#         and have them available for it.
+#
+# The resources not listed below are callee save, i.e. the compiler is free to
+# use any of them and will spill them to the stack itself.
+
+CFLAGS_tlbmiss.o += -ffixed-r7 \
+	-ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 \
+	-ffixed-r13 -ffixed-r14 -ffixed-r16 -ffixed-r17 -ffixed-r19 \
+	-ffixed-r20 -ffixed-r21 -ffixed-r22 -ffixed-r23 \
+	-ffixed-r24 -ffixed-r25 -ffixed-r26 -ffixed-r27 \
+	-ffixed-r36 -ffixed-r37 -ffixed-r38 -ffixed-r39 -ffixed-r40 \
+	-ffixed-r41 -ffixed-r42 -ffixed-r43  \
+	-ffixed-r60 -ffixed-r61 -ffixed-r62
+
+
+include $(TOPDIR)/Rules.make