source: rtems/make/custom/pc386.cfg @ 123d4b7d

4.104.114.84.95
Last change on this file since 123d4b7d was 123d4b7d, checked in by Joel Sherrill <joel.sherrill@…>, on May 14, 1999 at 2:34:39 PM

Removed -fomit-frame-pointer from all i386 BSPs since it breaks C++
exceptions and makes debug stack traces impossible.

  • Property mode set to 100644
File size: 3.9 KB
Line 
1#
2#  Config file for the PC 386 BSP
3#
4#  $Id$
5#
6
7include $(RTEMS_ROOT)/make/custom/default.cfg
8
9RTEMS_CPU=i386
10RTEMS_CPU_MODEL=i386_fp
11
12# This is the actual bsp directory used during the build process.
13RTEMS_BSP_FAMILY=pc386
14
15#  This contains the compiler options necessary to select the CPU model
16#  and (hopefully) optimize for it.
17#
18CPU_CFLAGS = 
19
20# optimize flag: typically -0, could use -O4 or -fast
21# -O4 is ok for RTEMS
22# -fomit-frame-pointer breaks debugging and C++ exceptions
23CFLAGS_OPTIMIZE_V=-O4
24
25# Define this to yes if this target supports multiprocessor environments.
26HAS_MP=no
27
28#  This section makes the target dependent options file.
29
30#  NDEBUG (C library)
31#     if defined asserts do not generate code.  This is commonly used
32#     as a command line option.
33#
34#  RTEMS_TEST_NO_PAUSE (RTEMS tests)
35#     do not pause between screens of output in the rtems tests
36#
37#  RTEMS_DEBUG (RTEMS)
38#     If defined, debug checks in RTEMS and support library code are enabled.
39
40define make-target-options
41        @echo "/* #define NDEBUG 1 */ "                     >>$@
42        @echo "/* #define RTEMS_TEST_NO_PAUSE 1 */"         >>$@
43        @echo "/* #define RTEMS_DEBUG  1 */"                >>$@
44endef
45
46# Here is the rule to actually build a $(ARCH)/foo.exe
47# It also builds $(ARCH)/foo.sr and $(ARCH)/foo.nm
48# Usage ref: src/tests/sptest/sp1/Makefile
49
50#+--------------------------------------------------------------------------+
51#| Set the value of RELOCADDR to the address where you want your image to
52#| load. If you'll be using GRUB to load the images it will have to be >=
53#| 0x100000 (1024K). If you are using NetBoot to load the images it can be
54#| >= 0x10000 (64K) AND <= 0x97C00 (607K) OR >= 0x100000 (1024K). The memory
55#| top is of course another limit. Make sure there is enough space before the
56#| upper memory limits for the image and the memory allocated by it to fit.
57#| Make sure the value you choose is aligned to 4 bytes.
58#+--------------------------------------------------------------------------+
59  RELOCADDR=0x00100000
60
61START16FILE=$(PROJECT_RELEASE)/lib/start16$(LIB_VARIANT).bin
62START16ADDR=0x00097C00
63HEADERADDR=0x00097E00
64
65# The following are definitions of make-exe which will work using ld as
66# is currently required.  It is expected that as of gcc 2.8, the end user
67# will be able to override parts of the compilers specs and link using gcc.
68
69ifeq ($(RTEMS_USE_GCC272),yes)
70define make-exe
71        $(LD) -N -T $(LINKCMDS) -Ttext $(RELOCADDR) -e start -nostdlib \
72           -o $(basename $@).obj \
73           $(START_FILE) $(LINK_OBJS) --start-group $(LINK_LIBS) --end-group
74        $(OBJCOPY) -O a.out-i386 \
75            --remove-section=.rodata \
76            --remove-section=.comment \
77            --remove-section=.note \
78            --strip-unneeded $(basename $@).obj $@
79        $(OBJCOPY) -O binary $(basename $@).obj $(basename $@).bin
80        $(BIN2BOOT) -v $(basename $@).bt $(HEADERADDR)\
81          $(START16FILE) $(START16ADDR) 0 $(basename $@).bin $(RELOCADDR) 0
82        $(NM) -g -n $(basename $@).obj > $(basename $@).num
83        $(SIZE) $(basename $@).obj
84        $(INSTALL_VARIANT) -m 555 $(basename $@).bt ${PROJECT_RELEASE}/BootImgs
85endef
86else
87define make-exe
88        $(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_LD) -Wl,-Ttext,$(RELOCADDR) \
89            -Wl,--oformat,elf32-i386 -o $(basename $@).obj \
90            -o $(basename $@).obj \
91            $(LINK_OBJS) $(LINK_LIBS)
92        $(OBJCOPY) -O a.out-i386 \
93            --remove-section=.rodata \
94            --remove-section=.comment \
95            --remove-section=.note \
96            --strip-unneeded $(basename $@).obj $@
97        $(OBJCOPY) -O binary $(basename $@).obj $(basename $@).bin
98        $(PROJECT_TOOLS)/bin2boot -v $(basename $@).bt $(HEADERADDR)\
99          $(START16FILE) $(START16ADDR) 0 $(basename $@).bin $(RELOCADDR) 0
100        $(NM) -g -n $(basename $@).obj > $(basename $@).num
101        $(SIZE) $(basename $@).obj
102        $(INSTALL_VARIANT) -m 555 $(basename $@).bt ${PROJECT_RELEASE}/BootImgs
103        $(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_LD) -Wl,-Ttext,$(RELOCADDR) \
104            -o $(basename $@).coff $(LINK_OBJS) $(LINK_LIBS)
105endef
106endif
107
108# Miscellaneous additions go here
109
110# BSP-specific tools
111BIN2BOOT=$(PROJECT_TOOLS)/bin2boot
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