1# -*- makefile -*-
2# Copyright (c) 1999-2007 Hewlett-Packard Development Company, L.P.
3#	Contributed by David Mosberger <davidm@hpl.hp.com>
4#	Contributed by Stephane Eranian <eranian@hpl.hp.com>
5#
6#    All rights reserved.
7#
8#    Redistribution and use in source and binary forms, with or without
9#    modification, are permitted provided that the following conditions
10#    are met:
11#
12#    * Redistributions of source code must retain the above copyright
13#      notice, this list of conditions and the following disclaimer.
14#    * Redistributions in binary form must reproduce the above
15#      copyright notice, this list of conditions and the following
16#      disclaimer in the documentation and/or other materials
17#      provided with the distribution.
18#    * Neither the name of Hewlett-Packard Co. nor the names of its
19#      contributors may be used to endorse or promote products derived
20#      from this software without specific prior written permission.
21#
22#    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
23#    CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
24#    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25#    MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26#    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
27#    BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
28#    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
29#    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30#    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31#    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
32#    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
33#    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34#    SUCH DAMAGE.
35#
36
37TOPDIR := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
38
39#
40# Variables below overridable from command-line:
41#   make VARNAME=value ...
42#
43
44#
45# Where to install the package. GNU-EFI will create and access
46# lib and include under the root
47#
48INSTALLROOT  := /
49PREFIX       := /usr/local
50LIBDIR 	     := $(PREFIX)/lib
51INSTALL	     := install
52
53# Compilation tools
54prefix       := /usr/bin/
55CC           := $(prefix)gcc
56AS           := $(prefix)as
57LD           := $(prefix)ld
58AR           := $(prefix)ar
59RANLIB       := $(prefix)ranlib
60OBJCOPY      := $(prefix)objcopy
61
62
63# Host/target identification
64OS	     := $(shell uname -s)
65HOSTARCH     := $(shell $(CC) -dumpmachine | cut -f1 -d- | sed s,i[3456789]86,ia32,)
66ARCH	     := $(shell uname -m | sed s,i[3456789]86,ia32,)
67
68# FreeBSD (and possibly others) reports amd64 instead of x86_64
69ifeq ($(ARCH),amd64)
70  override ARCH := x86_64
71endif
72
73#
74# Variables below derived from variables above
75#
76
77GCCVERSION   := $(shell $(CC) -dumpversion | cut -f1 -d.)
78GCCMINOR     := $(shell $(CC) -dumpversion | cut -f2 -d.)
79
80# Rely on GCC MS ABI support?
81GCCNEWENOUGH := $(shell ( [ $(GCCVERSION) -gt "4" ]           \
82                          || ( [ $(GCCVERSION) -eq "4" ]      \
83                               && [ $(GCCMINOR) -ge "7" ] ) ) \
84                        && echo 1)
85ifeq ($(GCCNEWENOUGH),1)
86  CPPFLAGS += -DGNU_EFI_USE_MS_ABI -maccumulate-outgoing-args --std=c11
87endif
88
89# Arch-specific compilation flags
90CPPFLAGS += -DCONFIG_$(ARCH)
91
92ifeq ($(ARCH),ia64)
93  CFLAGS += -mfixed-range=f32-f127
94endif
95
96ifeq ($(ARCH),ia32)
97  CFLAGS += -mno-mmx -mno-sse
98  ifeq ($(HOSTARCH),x86_64)
99    ARCH3264 = -m32
100  endif
101endif
102
103ifeq ($(ARCH),x86_64)
104  CFLAGS += -mno-red-zone -mno-mmx -mno-sse
105  ifeq ($(HOSTARCH),ia32)
106    ARCH3264 = -m64
107  endif
108endif
109
110# Generic compilation flags
111INCDIR  += -I$(SRCDIR) -I$(TOPDIR)/inc -I$(TOPDIR)/inc/$(ARCH) \
112           -I$(TOPDIR)/inc/protocol
113CFLAGS  += $(ARCH3264) -O2 -fpic -Wall -fshort-wchar -fno-strict-aliasing \
114           -fno-merge-constants -ffreestanding -fno-stack-protector       \
115           -fno-stack-check
116ASFLAGS += $(ARCH3264)
117LDFLAGS	+= -nostdlib --warn-common --no-undefined --fatal-warnings
118