source: rtems/make/custom/go32.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: 3.2 KB
Line 
1#
2#  Config file for the go32 BSP .. CPU model defaults to an i486DX
3#  unless set otherwise by a custom configuration file which overrides.
4#
5#  $Id$
6#
7
8# default to i486dx as cpu
9ifeq ($(RTEMS_GO32_CPU_MODEL),)
10TARGET_ARCH=o-go32
11RTEMS_CPU_MODEL=i486dx
12else
13ifeq ($(RTEMS_GO32_CPU_MODEL),pentium)
14TARGET_ARCH=o-go32_p5
15RTEMS_CPU_MODEL=pentium
16endif # pentium
17endif # i486dx
18
19include $(RTEMS_ROOT)/make/custom/default.cfg
20
21# Sharing a single bsp among multiple cpu models results in us having to
22# explicitly set some values normally taken care of in the defaults.cfg
23# file.
24
25RTEMS_CPU=i386
26
27# This is the actual bsp directory used during the build process.
28RTEMS_BSP_FAMILY=go32
29
30## Target compiler config file, if any
31CONFIG.$(TARGET_ARCH).CC = $(RTEMS_ROOT)/make/compilers/gcc-target-default.cfg
32
33# We may install in a CPU model based directory but this is still
34# a go32 based bsp.
35RTEMS_BSP=go32
36
37#  This contains the compiler options necessary to select the CPU model
38#  and (hopefully) optimize for it.
39#
40#  NOTE:  As gcc grows to include more options, this section should also grow.
41#
42ifeq ($(RTEMS_CPU_MODEL),i486dx)
43CPU_CFLAGS = -m486
44else
45ifeq ($(RTEMS_CPU_MODEL),pentium)
46CPU_CFLAGS = -m486
47else
48CPU_CFLAGS =
49endif   # pentium
50endif   # i486dx
51
52# optimize flag: typically -0, could use -O4 or -fast
53# -O4 is ok for RTEMS
54# -fomit-frame-pointer breaks debugging and C++ exceptions
55CFLAGS_OPTIMIZE_V=-O4
56
57# This target does NOT support the TCP/IP stack so ignore requests
58# to enable it.
59HAS_NETWORKING=no
60
61# Base name of start file
62# go32 does not use the rtems start file
63START_BASE=
64
65#  This section makes the target dependent options file.
66
67#  NDEBUG (C library)
68#     if defined asserts do not generate code.  This is commonly used
69#     as a command line option.
70#
71#  RTEMS_TEST_NO_PAUSE (RTEMS tests)
72#     do not pause between screens of output in the rtems tests
73#
74#  RTEMS_DEBUG (RTEMS)
75#     If defined, debug checks in RTEMS and support library code are enabled.
76
77define make-target-options
78        @echo "/* #define NDEBUG 1 */ "                     >>$@
79        @echo "#define RTEMS_TEST_NO_PAUSE 1"               >>$@
80        @echo "/* #define RTEMS_DEBUG  1 */"                >>$@
81endef
82
83# Ultimately, it would be nice to do this when in a cross environment:
84#       $(COFF2EXE) $(basename $@).out
85
86# The following are definitions of make-exe which will work using ld as
87# is currently required.  It is expected that as of gcc 2.8, the end user
88# will be able to override parts of the compilers specs and link using gcc.
89
90# may need to reference libpc.a
91
92ifeq ($(RTEMS_USE_GCC272),yes)
93define make-exe
94        $(LD) $(LDFLAGS) -N -o $(basename $@).exe \
95            $(shell $(CC) $(CPU_CFLAGS) -print-file-name=crt0.o) \
96            $(LINK_OBJS) --start-group $(LINK_LIBS) --end-group \
97            $(shell $(CC) $(CPU_CFLAGS) -print-file-name=libcgo32.a $(GCCSED)) \
98            $(shell $(CC) $(CPU_CFLAGS) -print-file-name=libpc.a $(GCCSED))
99        $(NM) -g -n $(basename $@).exe > $(basename $@).num
100        $(SIZE) $(basename $@).exe
101endef
102
103else
104define make-exe
105        $(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_LD) -o $(basename $@).exe \
106            $(LINK_OBJS) $(LINK_LIBS)
107        $(NM) -g -n $(basename $@).exe > $(basename $@).num
108        $(SIZE) $(basename $@).exe
109endef
110
111endif
112
113
114# Miscellaneous additions go here
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