source: mainline/arch/ppc32/loader/Makefile@ a62347a

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since a62347a was a9d5a77, checked in by Martin Decky <martin@…>, 19 years ago

ppc32: don't use FPU instructions in boot loader

  • Property mode set to 100644
File size: 2.7 KB
Line 
1#
2# Copyright (C) 2006 Martin Decky
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8#
9# - Redistributions of source code must retain the above copyright
10# notice, this list of conditions and the following disclaimer.
11# - Redistributions in binary form must reproduce the above copyright
12# notice, this list of conditions and the following disclaimer in the
13# documentation and/or other materials provided with the distribution.
14# - The name of the author may not be used to endorse or promote products
15# derived from this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27#
28
29## Toolchain configuration
30#
31
32TARGET = ppc-linux-gnu
33TOOLCHAIN_DIR = /usr/local/ppc/bin
34
35ifeq ($(COMPILER),native)
36 CC = gcc
37 AS = as
38 LD = ld
39 OBJCOPY = objcopy
40 OBJDUMP = objdump
41else
42 CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc
43 AS = $(TOOLCHAIN_DIR)/$(TARGET)-as
44 LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld
45 OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy
46 OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump
47endif
48
49CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -mcpu=powerpc -msoft-float -m32
50DEFS =
51
52SOURCES = \
53 main.c \
54 ofw.c \
55 printf.c \
56 asm.S \
57 boot.S
58
59OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
60
61.PHONY: all clean depend
62
63all: image.boot
64
65-include Makefile.depend
66
67image.boot: depend $(OBJECTS) kernel.o init.o
68 $(LD) -no-check-sections -N -T _link.ld $(OBJECTS) kernel.o init.o -o $@
69
70depend:
71 -makedepend $(DEFS) $(CFLAGS) -f - $(SOURCES) > Makefile.depend 2> /dev/null
72
73clean:
74 -rm -f $(OBJECTS) image.boot kernel.o init.o Makefile.depend
75
76kernel.o: $(KERNEL)
77 $(OBJCOPY) -I binary -O elf32-powerpc -B powerpc:common --rename-section .data=.kernel_image $(KERNEL) $@
78
79init.o: $(INIT)
80 $(OBJCOPY) -I binary -O elf32-powerpc -B powerpc:common --rename-section .data=.init_image $(INIT) $@
81
82%.o: %.S
83 $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@
84
85%.o: %.c
86 $(CC) $(DEFS) $(CFLAGS) -c $< -o $@
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