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1 | # | |
2 | # parisc/Makefile | |
3 | # | |
4 | # This file is included by the global makefile so that you can add your own | |
5 | # architecture-specific flags and dependencies. Remember to do have actions | |
6 | # for "archclean" and "archdep" for cleaning up and making dependencies for | |
7 | # this architecture | |
8 | # | |
9 | # This file is subject to the terms and conditions of the GNU General Public | |
10 | # License. See the file "COPYING" in the main directory of this archive | |
11 | # for more details. | |
12 | # | |
13 | # Copyright (C) 1994 by Linus Torvalds | |
14 | # Portions Copyright (C) 1999 The Puffin Group | |
15 | # | |
16 | # Modified for PA-RISC Linux by Paul Lahaie, Alex deVries, | |
17 | # Mike Shaver, Helge Deller and Martin K. Petersen | |
18 | # | |
19 | ||
20 | KBUILD_IMAGE := vmlinuz | |
21 | ||
22 | NM = sh $(srctree)/arch/parisc/nm | |
23 | CHECKFLAGS += -D__hppa__=1 | |
24 | LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) | |
25 | export LIBGCC | |
26 | ||
27 | ifdef CONFIG_64BIT | |
28 | UTS_MACHINE := parisc64 | |
29 | CHECKFLAGS += -D__LP64__=1 | |
30 | CC_ARCHES = hppa64 | |
31 | LD_BFD := elf64-hppa-linux | |
32 | else # 32-bit | |
33 | CC_ARCHES = hppa hppa2.0 hppa1.1 | |
34 | LD_BFD := elf32-hppa-linux | |
35 | endif | |
36 | ||
37 | export LD_BFD | |
38 | ||
39 | ifneq ($(SUBARCH),$(UTS_MACHINE)) | |
40 | ifeq ($(CROSS_COMPILE),) | |
41 | CC_SUFFIXES = linux linux-gnu unknown-linux-gnu | |
42 | CROSS_COMPILE := $(call cc-cross-prefix, \ | |
43 | $(foreach a,$(CC_ARCHES), \ | |
44 | $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-))) | |
45 | endif | |
46 | endif | |
47 | ||
48 | ifdef CONFIG_DYNAMIC_FTRACE | |
49 | ifdef CONFIG_64BIT | |
50 | NOP_COUNT := 8 | |
51 | else | |
52 | NOP_COUNT := 5 | |
53 | endif | |
54 | ||
55 | export CC_USING_RECORD_MCOUNT:=1 | |
56 | export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1 | |
57 | ||
58 | KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 | |
59 | KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \ | |
60 | -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT) | |
61 | ||
62 | CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1))) | |
63 | KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/parisc/kernel/module.lds | |
64 | endif | |
65 | ||
66 | OBJCOPY_FLAGS =-O binary -R .note -R .comment -S | |
67 | ||
68 | cflags-y := -pipe | |
69 | ||
70 | # These flags should be implied by an hppa-linux configuration, but they | |
71 | # are not in gcc 3.2. | |
72 | cflags-y += -mno-space-regs | |
73 | ||
74 | # -mfast-indirect-calls is only relevant for 32-bit kernels. | |
75 | ifndef CONFIG_64BIT | |
76 | cflags-y += -mfast-indirect-calls | |
77 | endif | |
78 | ||
79 | # Currently we save and restore fpregs on all kernel entry/interruption paths. | |
80 | # If that gets optimized, we might need to disable the use of fpregs in the | |
81 | # kernel. | |
82 | cflags-y += -mdisable-fpregs | |
83 | ||
84 | # Use long jumps instead of long branches (needed if your linker fails to | |
85 | # link a too big vmlinux executable). Not enabled for building modules. | |
86 | ifdef CONFIG_MLONGCALLS | |
87 | KBUILD_CFLAGS_KERNEL += -mlong-calls | |
88 | endif | |
89 | ||
90 | # Without this, "ld -r" results in .text sections that are too big (> 0x40000) | |
91 | # for branches to reach stubs. And multiple .text sections trigger a warning | |
92 | # when creating the sysfs module information section. | |
93 | ifndef CONFIG_64BIT | |
94 | KBUILD_CFLAGS_MODULE += -ffunction-sections | |
95 | endif | |
96 | ||
97 | # select which processor to optimise for | |
98 | cflags-$(CONFIG_PA7000) += -march=1.1 -mschedule=7100 | |
99 | cflags-$(CONFIG_PA7200) += -march=1.1 -mschedule=7200 | |
100 | cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC | |
101 | cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300 | |
102 | cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000 | |
103 | ||
104 | head-y := arch/parisc/kernel/head.o | |
105 | ||
106 | KBUILD_CFLAGS += $(cflags-y) | |
107 | ||
108 | kernel-y := mm/ kernel/ math-emu/ | |
109 | ||
110 | core-y += $(addprefix arch/parisc/, $(kernel-y)) | |
111 | libs-y += arch/parisc/lib/ $(LIBGCC) | |
112 | ||
113 | drivers-$(CONFIG_OPROFILE) += arch/parisc/oprofile/ | |
114 | ||
115 | boot := arch/parisc/boot | |
116 | ||
117 | PALO := $(shell if (which palo 2>&1); then : ; \ | |
118 | elif [ -x /sbin/palo ]; then echo /sbin/palo; \ | |
119 | fi) | |
120 | ||
121 | PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \ | |
122 | else echo $(objtree)/palo.conf; \ | |
123 | fi) | |
124 | ||
125 | palo lifimage: vmlinuz | |
126 | @if test ! -x "$(PALO)"; then \ | |
127 | echo 'ERROR: Please install palo first (apt-get install palo)';\ | |
128 | echo 'or build it from source and install it somewhere in your $$PATH';\ | |
129 | false; \ | |
130 | fi | |
131 | @if test ! -f "$(PALOCONF)"; then \ | |
132 | cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \ | |
133 | echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \ | |
134 | echo 'You should check it and re-run "make palo".'; \ | |
135 | echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \ | |
136 | false; \ | |
137 | fi | |
138 | $(PALO) -f $(PALOCONF) | |
139 | ||
140 | BOOT_TARGETS = zImage Image palo lifimage | |
141 | INSTALL_TARGETS = zinstall install | |
142 | ||
143 | PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) | |
144 | ||
145 | # Default kernel to build | |
146 | all: bzImage | |
147 | ||
148 | zImage: vmlinuz | |
149 | Image: vmlinux | |
150 | ||
151 | bzImage: vmlinux | |
152 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
153 | ||
154 | ifdef CONFIG_PARISC_SELF_EXTRACT | |
155 | vmlinuz: bzImage | |
156 | $(OBJCOPY) $(boot)/bzImage $@ | |
157 | else | |
158 | vmlinuz: vmlinux | |
159 | @gzip -cf -9 $< > $@ | |
160 | endif | |
161 | ||
162 | install: | |
163 | $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ | |
164 | $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)" | |
165 | zinstall: | |
166 | $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \ | |
167 | $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)" | |
168 | ||
169 | CLEAN_FILES += lifimage | |
170 | MRPROPER_FILES += palo.conf | |
171 | ||
172 | define archhelp | |
173 | @echo '* vmlinux - Uncompressed kernel image (./vmlinux)' | |
174 | @echo ' vmlinuz - Compressed kernel image (./vmlinuz)' | |
175 | @echo ' palo - Bootable image (./lifimage)' | |
176 | @echo ' install - Install uncompressed vmlinux kernel using' | |
177 | @echo ' (your) ~/bin/$(INSTALLKERNEL) or' | |
178 | @echo ' (distribution) /sbin/$(INSTALLKERNEL) or' | |
179 | @echo ' copy to $$(INSTALL_PATH)' | |
180 | @echo ' zinstall - Install compressed vmlinuz kernel' | |
181 | endef | |
182 | ||
183 | archclean: | |
184 | $(Q)$(MAKE) $(clean)=$(boot) | |
185 | ||
186 | archheaders: | |
187 | $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all |