bsd.cpu.mk revision 177385 
1147997Srwatson# $FreeBSD: head/share/mk/bsd.cpu.mk 177385 2008-03-19 12:20:44Z imp $
2147997Srwatson
3147997Srwatson# Set default CPU compile flags and baseline CPUTYPE for each arch.  The
4147997Srwatson# compile flags must support the minimum CPU type for each architecture but
5147997Srwatson# may tune support for more advanced processors.
6147997Srwatson
7147997Srwatson.if !defined(CPUTYPE) || empty(CPUTYPE)
8147997Srwatson_CPUCFLAGS =
9147997Srwatson. if ${MACHINE_ARCH} == "i386"
10147997SrwatsonMACHINE_CPU = i486
11147997Srwatson. elif ${MACHINE_ARCH} == "amd64"
12147997SrwatsonMACHINE_CPU = amd64 sse2 sse
13147997Srwatson. elif ${MACHINE_ARCH} == "ia64"
14147997SrwatsonMACHINE_CPU = itanium
15147997Srwatson. elif ${MACHINE_ARCH} == "powerpc"
16147997SrwatsonMACHINE_CPU = aim
17147997Srwatson. elif ${MACHINE_ARCH} == "sparc64"
18147997Srwatson. elif ${MACHINE_ARCH} == "arm"
19147997SrwatsonMACHINE_CPU = arm
20147997Srwatson. elif ${MACHINE_ARCH} == "mips"
21147997SrwatsonMACHINE_CPU = mips
22147997Srwatson. endif
23147997Srwatson.else
24147997Srwatson
25147997Srwatson# Handle aliases (not documented in make.conf to avoid user confusion
26147997Srwatson# between e.g. i586 and pentium)
27147997Srwatson
28147997Srwatson. if ${MACHINE_ARCH} == "i386"
29147997Srwatson.  if ${CPUTYPE} == "nocona"
30147997SrwatsonCPUTYPE = prescott
31147997Srwatson.  elif ${CPUTYPE} == "core" || ${CPUTYPE} == "core2"
32147997SrwatsonCPUTYPE = prescott
33147997Srwatson.  elif ${CPUTYPE} == "p4"
34147997SrwatsonCPUTYPE = pentium4
35147997Srwatson.  elif ${CPUTYPE} == "p4m"
36147997SrwatsonCPUTYPE = pentium4m
37147997Srwatson.  elif ${CPUTYPE} == "p3"
38147997SrwatsonCPUTYPE = pentium3
39148041Srwatson.  elif ${CPUTYPE} == "p3m"
40148041SrwatsonCPUTYPE = pentium3m
41148041Srwatson.  elif ${CPUTYPE} == "p-m"
42148041SrwatsonCPUTYPE = pentium-m
43148041Srwatson.  elif ${CPUTYPE} == "p2"
44148041SrwatsonCPUTYPE = pentium2
45148041Srwatson.  elif ${CPUTYPE} == "i686"
46148041SrwatsonCPUTYPE = pentiumpro
47147997Srwatson.  elif ${CPUTYPE} == "i586/mmx"
48147997SrwatsonCPUTYPE = pentium-mmx
49147997Srwatson.  elif ${CPUTYPE} == "i586"
50147997SrwatsonCPUTYPE = pentium
51147997Srwatson.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
52147997Srwatson     ${CPUTYPE} == "k8"
53147997SrwatsonCPUTYPE = athlon-mp
54147997Srwatson.  elif ${CPUTYPE} == "k7"
55147997SrwatsonCPUTYPE = athlon
56147997Srwatson.  endif
57147997Srwatson. elif ${MACHINE_ARCH} == "amd64"
58147997Srwatson.  if ${CPUTYPE} == "prescott" || ${CPUTYPE} == "core2"
59147997SrwatsonCPUTYPE = nocona
60147997Srwatson.  endif
61147997Srwatson. endif
62147997Srwatson
63147997Srwatson###############################################################################
64147997Srwatson# Logic to set up correct gcc optimization flag.  This must be included
65147997Srwatson# after /etc/make.conf so it can react to the local value of CPUTYPE
66147997Srwatson# defined therein.  Consult:
67147997Srwatson#	http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
68147997Srwatson#	http://gcc.gnu.org/onlinedocs/gcc/IA-64-Options.html
69147997Srwatson#	http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
70147997Srwatson#	http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html
71147997Srwatson#	http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
72147997Srwatson#	http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86-64-Options.html
73147997Srwatson
74147997Srwatson. if ${MACHINE_ARCH} == "i386"
75147997Srwatson.  if ${CPUTYPE} == "crusoe"
76147997Srwatson_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
77147997Srwatson.  elif ${CPUTYPE} == "k5"
78148094Srwatson_CPUCFLAGS = -march=pentium
79147997Srwatson.  else
80147997Srwatson_CPUCFLAGS = -march=${CPUTYPE}
81147997Srwatson.  endif # GCC on 'i386'
82147997Srwatson.  if ${CPUTYPE} == "crusoe"
83147997Srwatson_ICC_CPUCFLAGS = -tpp6 -xiM
84147997Srwatson.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
85147997Srwatson    ${CPUTYPE} == "athlon-4"
86147997Srwatson_ICC_CPUCFLAGS = -tpp6 -xiMK
87147997Srwatson.  elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
88147997Srwatson_ICC_CPUCFLAGS = -tpp6 -xiM
89147997Srwatson.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
90147997Srwatson_ICC_CPUCFLAGS = -tpp6 -xi
91147997Srwatson.  elif ${CPUTYPE} == "k5"
92147997Srwatson_ICC_CPUCFLAGS = -tpp5
93147997Srwatson.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m"
94147997Srwatson_ICC_CPUCFLAGS = -tpp7 -xiMKW
95147997Srwatson.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" || \
96147997Srwatson     ${CPUTYPE} == "pentium-m"
97147997Srwatson_ICC_CPUCFLAGS = -tpp6 -xiMK
98147997Srwatson.  elif ${CPUTYPE} == "pentium2" || ${CPUTYPE} == "pentiumpro"
99147997Srwatson_ICC_CPUCFLAGS = -tpp6 -xiM
100147997Srwatson.  elif ${CPUTYPE} == "pentium-mmx"
101147997Srwatson_ICC_CPUCFLAGS = -tpp5 -xM
102147997Srwatson.  elif ${CPUTYPE} == "pentium"
103147997Srwatson_ICC_CPUCFLAGS = -tpp5
104147997Srwatson.  else
105147997Srwatson_ICC_CPUCFLAGS =
106147997Srwatson.  endif # ICC on 'i386'
107147997Srwatson. elif ${MACHINE_ARCH} == "amd64"
108147997Srwatson_CPUCFLAGS = -march=${CPUTYPE}
109147997Srwatson. elif ${MACHINE_ARCH} == "arm"
110147997Srwatson.  if ${CPUTYPE} == "xscale"
111147997Srwatson#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
112147997Srwatson#_CPUCFLAGS = -mcpu=xscale
113147997Srwatson_CPUCFLAGS = -march=armv5te -D__XSCALE__
114147997Srwatson.  else
115147997Srwatson_CPUCFLAGS = -mcpu=${CPUTYPE}
116147997Srwatson.  endif
117147997Srwatson. elif ${MACHINE_ARCH} == "powerpc"
118147997Srwatson.  if ${CPUTYPE} == "e500"
119147997SrwatsonMACHINE_CPU = booke
120147997Srwatson_CPUCFLAGS = -Wa,-me500 -msoft-float
121147997Srwatson.  endif
122147997Srwatson. elif ${MACHINE_ARCH} == "mips"
123147997Srwatson.  if ${CPUTYPE} == "mips32"
124147997Srwatson_CPUCFLAGS = -march=mips32
125147997Srwatson.  elif ${CPUTYPE} == "mips32r2"
126147997Srwatson_CPUCFLAGS = -march=mips32r2
127147997Srwatson.  elif ${CPUTYPE} == "mips64"
128147997Srwatson_CPUCFLAGS = -march=mips64
129147997Srwatson.  elif ${CPUTYPE} == "mips64r2"
130147997Srwatson_CPUCFLAGS = -march=mips64r2
131147997Srwatson.  elif ${CPUTYPE} == "mips4kc"
132147997Srwatson_CPUCFLAGS = -march=4kc
133147997Srwatson.  elif ${CPUTYPE} == "mips24kc"
134147997Srwatson_CPUCFLAGS = -march=24kc
135147997Srwatson.  endif
136147997Srwatson. endif
137147997Srwatson
138147997Srwatson# Set up the list of CPU features based on the CPU type.  This is an
139147997Srwatson# unordered list to make it easy for client makefiles to test for the
140147997Srwatson# presence of a CPU feature.
141147997Srwatson
142148094Srwatson. if ${MACHINE_ARCH} == "i386"
143147997Srwatson.  if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64"
144147997SrwatsonMACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 i486 i386
145.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
146    ${CPUTYPE} == "athlon-4"
147MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 i486 i386
148.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
149MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
150.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2"
151MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
152.  elif ${CPUTYPE} == "k6"
153MACHINE_CPU = mmx k6 k5 i586 i486 i386
154.  elif ${CPUTYPE} == "k5"
155MACHINE_CPU = k5 i586 i486 i386
156.  elif ${CPUTYPE} == "c3"
157MACHINE_CPU = 3dnow mmx i586 i486 i386
158.  elif ${CPUTYPE} == "c3-2"
159MACHINE_CPU = sse mmx i586 i486 i386
160.  elif ${CPUTYPE} == "c7"
161MACHINE_CPU = sse3 sse2 sse i686 mmx i586 i486 i386
162.  elif ${CPUTYPE} == "prescott"
163MACHINE_CPU = sse3 sse2 sse i686 mmx i586 i486 i386
164.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || ${CPUTYPE} == "pentium-m"
165MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
166.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
167MACHINE_CPU = sse i686 mmx i586 i486 i386
168.  elif ${CPUTYPE} == "pentium2"
169MACHINE_CPU = i686 mmx i586 i486 i386
170.  elif ${CPUTYPE} == "pentiumpro"
171MACHINE_CPU = i686 i586 i486 i386
172.  elif ${CPUTYPE} == "pentium-mmx"
173MACHINE_CPU = mmx i586 i486 i386
174.  elif ${CPUTYPE} == "pentium"
175MACHINE_CPU = i586 i486 i386
176.  elif ${CPUTYPE} == "i486"
177MACHINE_CPU = i486 i386
178.  elif ${CPUTYPE} == "i386"
179MACHINE_CPU = i386
180.  endif
181. elif ${MACHINE_ARCH} == "amd64"
182.  if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || ${CPUTYPE} == "k8"
183MACHINE_CPU = k8 3dnow
184.  elif ${CPUTYPE} == "nocona"
185MACHINE_CPU = sse3
186.  endif
187MACHINE_CPU += amd64 sse2 sse mmx
188. elif ${MACHINE_ARCH} == "ia64"
189.  if ${CPUTYPE} == "itanium"
190MACHINE_CPU = itanium
191.  endif
192. endif
193.endif
194
195.if ${MACHINE_ARCH} == "arm" && defined(TARGET_BIG_ENDIAN)
196CFLAGS += -mbig-endian
197LDFLAGS += -mbig-endian
198LD += -EB
199.endif
200
201.if ${MACHINE_ARCH} == "mips" 
202. if defined(TARGET_BIG_ENDIAN)
203CFLAGS += -EB
204LDFLAGS += -Wl,-EB
205LD += -EB
206. else
207CFLAGS += -EL
208LDFLAGS += -Wl,-EL
209LD += -EL
210. endif
211CFLAGS += -msoft-float -G0 -mno-dsp -mabicalls
212.endif
213
214# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
215
216.if !defined(NO_CPU_CFLAGS)
217. if ${CC} == "icc"
218CFLAGS += ${_ICC_CPUCFLAGS}
219. else
220CFLAGS += ${_CPUCFLAGS}
221. endif
222.endif
223