xref: /titanic_41/usr/src/uts/sun4v/generic/Makefile (revision 20c1c3551cb3b3117591ae38463d16aada597c48) 
1#
2# CDDL HEADER START
3#
4# The contents of this file are subject to the terms of the
5# Common Development and Distribution License (the "License").
6# You may not use this file except in compliance with the License.
7#
8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9# or http://www.opensolaris.org/os/licensing.
10# See the License for the specific language governing permissions
11# and limitations under the License.
12#
13# When distributing Covered Code, include this CDDL HEADER in each
14# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15# If applicable, add the following below this CDDL HEADER, with the
16# fields enclosed by brackets "[]" replaced with your own identifying
17# information: Portions Copyright [yyyy] [name of copyright owner]
18#
19# CDDL HEADER END
20#
21
22#
23# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24# Use is subject to license terms.
25#
26
27#
28#	This makefile drives the production of the Generic sun4v cpu module.
29#
30#	sun4v implementation architecture dependent
31#
32
33#
34#	Path to the base of the uts directory tree (usually /usr/src/uts).
35#
36UTSBASE	= ../..
37
38#
39#	Define the module and object file sets.
40#
41MODULE		= generic
42OBJECTS		= $(GENERIC_OBJS:%=$(OBJS_DIR)/%)
43LINTS		= $(GENERIC_OBJS:%.o=$(LINTS_DIR)/%.ln)
44ROOTMODULE	= $(ROOT_PSM_CPU_DIR)/$(MODULE)
45SOFTLINKS	= sun4v
46ROOTSOFTLINKS	= $(SOFTLINKS:%=$(ROOT_PSM_CPU_DIR)/%)
47
48CPU_DIR		= .
49HERE		= ../generic
50
51#
52#	Include common rules.
53#
54include $(UTSBASE)/sun4v/Makefile.sun4v
55
56#
57#	Override defaults
58#
59CLEANFILES	+= $(CPULIB) $(SYM_MOD)
60
61#
62#	Define targets
63#
64ALL_TARGET	= $(SYM_MOD)
65LINT_TARGET	= $(MODULE).lint
66INSTALL_TARGET	= def $(BINARY) $(ROOTMODULE) $(ROOTSOFTLINKS)
67
68#
69# lint pass one enforcement
70#
71CFLAGS += $(CCVERBOSE)
72
73#
74# cpu-module-specific flags
75#
76CPPFLAGS += -DCPU_MODULE
77AS_CPPFLAGS += -DCPU_MODULE
78
79#
80# The ATOMIC_BO_ENABLE_SHIFT enables backoff in atomic routines.
81# It is also used to scale final limit value w.r.t. number of
82# online cpus.
83#
84# In case of generic cpu module, the backoff will be using spin
85# loop as the CPU specific delay routine for atomic backoff will
86# not be available. The ATOMIC_BO_ENABLE_SHIFT value below takes
87# this into account.
88#
89ATOMIC_BO_FLAG = -DATOMIC_BO_ENABLE_SHIFT=7
90CFLAGS += $(ATOMIC_BO_FLAG)
91CPPFLAGS +=$(ATOMIC_BO_FLAG)
92AS_CPPFLAGS += $(ATOMIC_BO_FLAG)
93
94#
95#	Default build targets.
96#
97.KEEP_STATE:
98
99def:		$(DEF_DEPS)
100
101all:		$(ALL_DEPS)
102
103clean:		$(CLEAN_DEPS)
104
105clobber:		$(CLOBBER_DEPS)
106
107lint:		$(LINT_DEPS)
108
109modlintlib:	$(MODLINTLIB_DEPS)
110
111clean.lint:	$(CLEAN_LINT_DEPS)
112
113install:		$(INSTALL_DEPS)
114
115$(CPULIB):	$(BINARY)
116	$(BUILD.SO) $(BINARY)
117
118$(SYM_MOD):	$(UNIX_O) $(CPULIB)
119	@echo "resolving symbols against unix.o"
120	@(cd $(UNIX_DIR); pwd; \
121	    CPU_DIR=$(HERE) SYM_MOD=$(HERE)/$(SYM_MOD) $(MAKE) symcheck)
122
123$(ROOTSOFTLINKS): $(ROOTMODULE)
124	$(RM) $@; $(SYMLINK) $(MODULE) $@
125
126#	Include common targets.
127#
128include $(UTSBASE)/$(PLATFORM)/Makefile.targ
129