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
|
#
# (C) Copyright 2007 Semihalf
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundatio; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
ifeq ($(ARCH),ppc)
LOAD_ADDR = 0x40000
endif
ifeq ($(ARCH),arm)
LOAD_ADDR = 0x1000000
endif
include $(TOPDIR)/config.mk
# Resulting ELF and binary exectuables will be named demo and demo.bin
OUTPUT-$(CONFIG_API) = $(obj)demo
OUTPUT = $(OUTPUT-y)
# Source files located in the api_examples directory
SOBJ_FILES-$(CONFIG_API) += crt0.o
COBJ_FILES-$(CONFIG_API) += demo.o
COBJ_FILES-$(CONFIG_API) += glue.o
COBJ_FILES-$(CONFIG_API) += libgenwrap.o
# Source files which exist outside the api_examples directory
EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/crc32.o
EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/ctype.o
EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/string.o
EXT_COBJ_FILES-$(CONFIG_API) += lib_generic/vsprintf.o
ifeq ($(ARCH),ppc)
EXT_SOBJ_FILES-$(CONFIG_API) += lib_ppc/ppcstring.o
endif
# Create a list of source files so their dependencies can be auto-generated
SRCS += $(addprefix $(SRCTREE)/,$(EXT_COBJ_FILES-y:.o=.c))
SRCS += $(addprefix $(SRCTREE)/,$(EXT_SOBJ_FILES-y:.o=.S))
SRCS += $(addprefix $(SRCTREE)/api_examples/,$(COBJ_FILES-y:.o=.c))
SRCS += $(addprefix $(SRCTREE)/api_examples/,$(SOBJ_FILES-y:.o=.S))
# Create a list of object files to be compiled
OBJS += $(addprefix $(obj),$(SOBJ_FILES-y))
OBJS += $(addprefix $(obj),$(COBJ_FILES-y))
OBJS += $(addprefix $(obj),$(notdir $(EXT_COBJ_FILES-y)))
OBJS += $(addprefix $(obj),$(notdir $(EXT_SOBJ_FILES-y)))
gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
CPPFLAGS += -I..
all: $(obj).depend $(OUTPUT)
#########################################################################
$(OUTPUT): $(OBJS)
$(LD) -Ttext $(LOAD_ADDR) -o $@ $^ -L$(gcclibdir) -lgcc
$(OBJCOPY) -O binary $@ $(OUTPUT).bin 2>/dev/null
# Rule to build generic library C files
$(obj)%.o: $(SRCTREE)/lib_generic/%.c
$(CC) -g $(CFLAGS) -c -o $@ $<
# Rule to build architecture-specific library assembly files
$(obj)%.o: $(SRCTREE)/lib_$(ARCH)/%.S
$(CC) -g $(CFLAGS) -c -o $@ $<
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################
|