summaryrefslogtreecommitdiff
path: root/arch/parisc/Makefile
blob: e1aa514aeb368a57cc11bb3ea852ddedec6da4d8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
#
# parisc/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
# for "archclean" and "archdep" for cleaning up and making dependencies for
# this architecture
#
# 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) 1994 by Linus Torvalds
# Portions Copyright (C) 1999 The Puffin Group
#
# Modified for PA-RISC Linux by Paul Lahaie, Alex deVries, 
# Mike Shaver, Helge Deller and Martin K. Petersen
#

KBUILD_IMAGE := vmlinuz

NM		= sh $(srctree)/arch/parisc/nm
CHECKFLAGS	+= -D__hppa__=1
LIBGCC		= $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
export LIBGCC

ifdef CONFIG_64BIT
UTS_MACHINE	:= parisc64
CHECKFLAGS	+= -D__LP64__=1
CC_ARCHES	= hppa64
LD_BFD		:= elf64-hppa-linux
else # 32-bit
CC_ARCHES	= hppa hppa2.0 hppa1.1
LD_BFD		:= elf32-hppa-linux
endif

# select defconfig based on actual architecture
ifeq ($(shell uname -m),parisc64)
	KBUILD_DEFCONFIG := generic-64bit_defconfig
else
	KBUILD_DEFCONFIG := generic-32bit_defconfig
endif

export LD_BFD

ifneq ($(SUBARCH),$(UTS_MACHINE))
	ifeq ($(CROSS_COMPILE),)
		CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
		CROSS_COMPILE := $(call cc-cross-prefix, \
			$(foreach a,$(CC_ARCHES), \
			$(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
	endif
endif

ifdef CONFIG_DYNAMIC_FTRACE
ifdef CONFIG_64BIT
NOP_COUNT := 8
else
NOP_COUNT := 5
endif

export CC_USING_RECORD_MCOUNT:=1
export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1

KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1
KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \
		 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT)

CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1)))
endif

OBJCOPY_FLAGS =-O binary -R .note -R .comment -S

cflags-y	:= -pipe

# These flags should be implied by an hppa-linux configuration, but they
# are not in gcc 3.2.
cflags-y	+= -mno-space-regs

# -mfast-indirect-calls is only relevant for 32-bit kernels.
ifndef CONFIG_64BIT
cflags-y	+= -mfast-indirect-calls
endif

# Currently we save and restore fpregs on all kernel entry/interruption paths.
# If that gets optimized, we might need to disable the use of fpregs in the
# kernel.
cflags-y	+= -mdisable-fpregs

# Use long jumps instead of long branches (needed if your linker fails to
# link a too big vmlinux executable). Not enabled for building modules.
ifdef CONFIG_MLONGCALLS
KBUILD_CFLAGS_KERNEL += -mlong-calls
endif

# Without this, "ld -r" results in .text sections that are too big (> 0x40000)
# for branches to reach stubs. And multiple .text sections trigger a warning
# when creating the sysfs module information section.
ifndef CONFIG_64BIT
KBUILD_CFLAGS_MODULE += -ffunction-sections
endif

# select which processor to optimise for
cflags-$(CONFIG_PA7000)		+= -march=1.1 -mschedule=7100
cflags-$(CONFIG_PA7200)		+= -march=1.1 -mschedule=7200
cflags-$(CONFIG_PA7100LC)	+= -march=1.1 -mschedule=7100LC
cflags-$(CONFIG_PA7300LC)	+= -march=1.1 -mschedule=7300
cflags-$(CONFIG_PA8X00)		+= -march=2.0 -mschedule=8000

head-y			:= arch/parisc/kernel/head.o 

KBUILD_CFLAGS	+= $(cflags-y)

kernel-y			:= mm/ kernel/ math-emu/

core-y	+= $(addprefix arch/parisc/, $(kernel-y))
libs-y	+= arch/parisc/lib/ $(LIBGCC)

drivers-$(CONFIG_OPROFILE)		+= arch/parisc/oprofile/

boot	:= arch/parisc/boot

PALO := $(shell if (which palo 2>&1); then : ; \
	elif [ -x /sbin/palo ]; then echo /sbin/palo; \
	fi)

PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \
	else echo $(objtree)/palo.conf; \
	fi)

palo lifimage: vmlinuz
	@if test ! -x "$(PALO)"; then \
		echo 'ERROR: Please install palo first (apt-get install palo)';\
		echo 'or build it from source and install it somewhere in your $$PATH';\
		false; \
	fi
	@if test ! -f "$(PALOCONF)"; then \
		cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \
		echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
		echo 'You should check it and re-run "make palo".'; \
		echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
		false; \
	fi
	$(PALO) -f $(PALOCONF)

BOOT_TARGETS    = zImage Image palo lifimage
INSTALL_TARGETS = zinstall install

PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)

# Default kernel to build
all: bzImage

zImage: vmlinuz
Image: vmlinux

bzImage: vmlinux
	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@

ifdef CONFIG_PARISC_SELF_EXTRACT
vmlinuz: bzImage
	$(OBJCOPY) $(boot)/bzImage $@
else
vmlinuz: vmlinux
	@$(_GZIP) -cf -9 $< > $@
endif

install:
	$(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
			$(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
zinstall:
	$(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
			$(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"

CLEAN_FILES	+= lifimage
MRPROPER_FILES	+= palo.conf

define archhelp
	@echo  '* vmlinux	- Uncompressed kernel image (./vmlinux)'
	@echo  '  vmlinuz	- Compressed kernel image (./vmlinuz)'
	@echo  '  palo		- Bootable image (./lifimage)'
	@echo  '  install	- Install uncompressed vmlinux kernel using'
	@echo  '		  (your) ~/bin/$(INSTALLKERNEL) or'
	@echo  '		  (distribution) /sbin/$(INSTALLKERNEL) or'
	@echo  '		  copy to $$(INSTALL_PATH)'
	@echo  '  zinstall	- Install compressed vmlinuz kernel'
endef

archclean:
	$(Q)$(MAKE) $(clean)=$(boot)

archheaders:
	$(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all