source: mainline/boot/arch/arm32/Makefile.inc@ cfdeedc

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since cfdeedc was cfdeedc, checked in by Jiří Zárevúcky <zarevucky.jiri@…>, 7 years ago

Keep kernel in ELF format

By keeping kernel in an ELF file (instead of converting it to
a flat binary), we can use the information it contains, like
symbol table and debug info.

We can also later implement more advanced functionality, like
loading kernel at multiple discontiguous blocks, or loading
a position-independent kernel at a randomized address.

Currently the functionality is quite restricted, to keep changes
to a minimum. Code in boot/generic/src/kernel.c validates that
the kernel image was built with the same addresses as the boot
loader uses, giving an extra level of sanity checking compared
to a flat binary.

  • Property mode set to 100644
File size: 3.1 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
29ifeq ($(MACHINE), gta02)
30 BOOT_OUTPUT = image.boot
31 POST_OUTPUT = $(ROOT_PATH)/uImage.bin
32 LADDR = 0x30008000
33 SADDR = 0x30008000
34 POSTBUILD = Makefile.uboot
35endif
36
37ifeq ($(MACHINE), $(filter $(MACHINE),beagleboardxm beaglebone))
38 BOOT_OUTPUT = image.boot
39 POST_OUTPUT = $(ROOT_PATH)/uImage.bin
40 LADDR = 0x80000000
41 SADDR = 0x80000000
42 POSTBUILD = Makefile.uboot
43endif
44
45ifeq ($(MACHINE), raspberrypi)
46 BOOT_OUTPUT = image.boot
47 POST_OUTPUT = $(ROOT_PATH)/uImage.bin
48 LADDR = 0x00008000
49 SADDR = 0x00008000
50 POSTBUILD = Makefile.uboot
51endif
52
53BFD_NAME = elf32-littlearm
54BFD_OUTPUT = $(BFD_NAME)
55BFD_ARCH = arm
56
57BITS = 32
58ENDIANESS = LE
59EXTRA_CFLAGS = -march=$(subst _,-,$(PROCESSOR_ARCH)) -mno-unaligned-access
60
61ifeq ($(MACHINE), gta02)
62 RD_SRVS_ESSENTIAL += \
63 hid/s3c24xx_ts \
64 hw/char/s3c24xx_uart
65endif
66
67ifeq ($(MACHINE), $(filter $(MACHINE),beagleboardxm beaglebone))
68 RD_DRVS_ESSENTIAL += \
69 platform/amdm37x \
70 fb/amdm37x_dispc
71endif
72
73ifeq ($(MACHINE), integratorcp)
74 RD_DRVS_ESSENTIAL += \
75 char/pl050 \
76 hid/atkbd \
77 hid/ps2mouse \
78 intctl/icp-ic \
79 platform/icp
80endif
81
82RD_DRVS_ESSENTIAL += \
83 bus/usb/ehci \
84 bus/usb/ohci \
85 bus/usb/usbdiag \
86 bus/usb/usbflbk \
87 bus/usb/usbhub \
88 bus/usb/usbmid \
89 block/usbmast \
90 hid/usbhid
91
92SOURCES = \
93 arch/$(BARCH)/src/asm.S \
94 arch/$(BARCH)/src/eabi.S \
95 arch/$(BARCH)/src/main.c \
96 arch/$(BARCH)/src/mm.c \
97 arch/$(BARCH)/src/putchar.c \
98 $(COMPS).o \
99 genarch/src/division.c \
100 generic/src/memstr.c \
101 generic/src/printf_core.c \
102 generic/src/vprintf.c \
103 generic/src/printf.c \
104 generic/src/str.c \
105 generic/src/version.c \
106 generic/src/inflate.c \
107 generic/src/gzip.c \
108 generic/src/tar.c \
109 generic/src/kernel.c \
110 generic/src/payload.c
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