source: rtems/c/src/lib/libbsp/arm/xilinx-zynq/configure.ac @ 2d0bc83

5
Last change on this file since 2d0bc83 was 2afb22b, checked in by Chris Johns <chrisj@…>, on 12/23/17 at 07:18:56

Remove make preinstall

A speciality of the RTEMS build system was the make preinstall step. It
copied header files from arbitrary locations into the build tree. The
header files were included via the -Bsome/build/tree/path GCC command
line option.

This has at least seven problems:

  • The make preinstall step itself needs time and disk space.
  • Errors in header files show up in the build tree copy. This makes it hard for editors to open the right file to fix the error.
  • There is no clear relationship between source and build tree header files. This makes an audit of the build process difficult.
  • The visibility of all header files in the build tree makes it difficult to enforce API barriers. For example it is discouraged to use BSP-specifics in the cpukit.
  • An introduction of a new build system is difficult.
  • Include paths specified by the -B option are system headers. This may suppress warnings.
  • The parallel build had sporadic failures on some hosts.

This patch removes the make preinstall step. All installed header
files are moved to dedicated include directories in the source tree.
Let @RTEMS_CPU@ be the target architecture, e.g. arm, powerpc, sparc,
etc. Let @RTEMS_BSP_FAMILIY@ be a BSP family base directory, e.g.
erc32, imx, qoriq, etc.

The new cpukit include directories are:

  • cpukit/include
  • cpukit/score/cpu/@RTEMS_CPU@/include
  • cpukit/libnetworking

The new BSP include directories are:

  • bsps/include
  • bsps/@RTEMS_CPU@/include
  • bsps/@RTEMS_CPU@/@RTEMS_BSP_FAMILIY@/include

There are build tree include directories for generated files.

The include directory order favours the most general header file, e.g.
it is not possible to override general header files via the include path
order.

The "bootstrap -p" option was removed. The new "bootstrap -H" option
should be used to regenerate the "headers.am" files.

Update #3254.

  • Property mode set to 100644
File size: 6.5 KB
Line 
1##
2#
3# @file
4#
5# @brief Configure script of LibBSP for the Xilinx Zynq platform.
6#
7
8AC_PREREQ([2.69])
9AC_INIT([rtems-c-src-lib-libbsp-arm-xilinx-zynq-a9],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
10AC_CONFIG_SRCDIR([make/custom/xilinx_zynq_a9_qemu.cfg])
11RTEMS_TOP(../../../../../..)
12RTEMS_SOURCE_TOP
13RTEMS_BUILD_TOP
14
15RTEMS_CANONICAL_TARGET_CPU
16AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.12.2])
17RTEMS_BSP_CONFIGURE
18
19RTEMS_PROG_CC_FOR_TARGET
20RTEMS_CANONICALIZE_TOOLS
21RTEMS_PROG_CCAS
22
23RTEMS_CHECK_NETWORKING
24AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
25
26RTEMS_BSPOPTS_SET([BSP_START_RESET_VECTOR],[*],[])
27RTEMS_BSPOPTS_HELP([BSP_START_RESET_VECTOR],[reset vector address for BSP start])
28
29RTEMS_BSPOPTS_SET([BSP_DATA_CACHE_ENABLED],[*qemu],[])
30RTEMS_BSPOPTS_SET([BSP_DATA_CACHE_ENABLED],[*],[1])
31RTEMS_BSPOPTS_HELP([BSP_DATA_CACHE_ENABLED],[enable data cache])
32
33RTEMS_BSPOPTS_SET([BSP_INSTRUCTION_CACHE_ENABLED],[*qemu],[])
34RTEMS_BSPOPTS_SET([BSP_INSTRUCTION_CACHE_ENABLED],[*],[1])
35RTEMS_BSPOPTS_HELP([BSP_INSTRUCTION_CACHE_ENABLED],[enable instruction cache])
36
37RTEMS_BSPOPTS_SET([BSP_ARM_A9MPCORE_PERIPHCLK],[xilinx_zynq_zc702*],[333333333U])
38RTEMS_BSPOPTS_SET([BSP_ARM_A9MPCORE_PERIPHCLK],[xilinx_zynq_zedboard*],[666666667U])
39RTEMS_BSPOPTS_SET([BSP_ARM_A9MPCORE_PERIPHCLK],[*],[100000000U])
40RTEMS_BSPOPTS_HELP([BSP_ARM_A9MPCORE_PERIPHCLK],[ARM Cortex-A9 MPCore PERIPHCLK clock frequency in Hz])
41
42RTEMS_BSPOPTS_SET([ZYNQ_CLOCK_UART],[xilinx_zynq_zc702*],[50000000UL])
43RTEMS_BSPOPTS_SET([ZYNQ_CLOCK_UART],[xilinx_zynq_zedboard*],[50000000UL])
44RTEMS_BSPOPTS_SET([ZYNQ_CLOCK_UART],[*],[50000000UL])
45RTEMS_BSPOPTS_HELP([ZYNQ_CLOCK_UART],[Zynq UART clock frequency in Hz])
46
47RTEMS_BSPOPTS_SET([ZYNQ_CLOCK_CPU_1X],[xilinx_zynq_zc702*],[111111111U])
48RTEMS_BSPOPTS_SET([ZYNQ_CLOCK_CPU_1X],[xilinx_zynq_zedboard*],[111111111U])
49RTEMS_BSPOPTS_SET([ZYNQ_CLOCK_CPU_1X],[*],[111111111U])
50RTEMS_BSPOPTS_HELP([ZYNQ_CLOCK_CPU_1X],[Zynq cpu_1x clock frequency in Hz])
51
52USE_FAST_IDLE=0
53AS_IF([test "x${RTEMS_BSP}" == xxilinx_zynq_a9_qemu], [USE_FAST_IDLE=1])
54
55RTEMS_BSPOPTS_SET([CLOCK_DRIVER_USE_FAST_IDLE],[*qemu],[${USE_FAST_IDLE}])
56RTEMS_BSPOPTS_HELP([CLOCK_DRIVER_USE_FAST_IDLE],
57[This sets a mode where the time runs as fast as possible when a clock ISR
58occurs while the IDLE thread is executing.  This can significantly reduce
59simulation times.])
60
61RTEMS_BSPOPTS_SET([BSP_CONSOLE_MINOR],[*],[1])
62RTEMS_BSPOPTS_HELP([BSP_CONSOLE_MINOR],[minor number of console device])
63
64RTEMS_BSPOPTS_SET([ZYNQ_CONSOLE_USE_INTERRUPTS],[*],[1])
65RTEMS_BSPOPTS_HELP([ZYNQ_CONSOLE_USE_INTERRUPTS],[use interrupt driven mode for console devices (used by default)])
66
67ZYNQ_CPUS="1"
68RTEMS_CHECK_SMP
69AM_CONDITIONAL(HAS_SMP,[test "$rtems_cv_HAS_SMP" = "yes"])
70AS_IF([test "$rtems_cv_HAS_SMP" = "yes"],
71      [ZYNQ_CPUS="2"])
72
73#
74# Zynq Memory map can be controlled from the configure command line. Use ...
75#
76#   ..../configure --target=arm-rtems4.11 ... BSP_ZYNQ_RAM_LENGTH=256M
77#
78RTEMS_BSPOPTS_SET([BSP_ZYNQ_RAM_LENGTH],[xilinx_zynq_a9_qemu],[256M])
79RTEMS_BSPOPTS_SET([BSP_ZYNQ_RAM_LENGTH],[xilinx_zynq_zc702],[1024M])
80RTEMS_BSPOPTS_SET([BSP_ZYNQ_RAM_LENGTH],[xilinx_zynq_zc706],[1024M])
81RTEMS_BSPOPTS_SET([BSP_ZYNQ_RAM_LENGTH],[xilinx_zynq_zedboard],[512M])
82RTEMS_BSPOPTS_SET([BSP_ZYNQ_RAM_LENGTH],[*],[256M])
83RTEMS_BSPOPTS_HELP([BSP_ZYNQ_RAM_LENGTH],[override a BSP's default RAM length])
84
85RTEMS_BSPOPTS_SET([BSP_ZYNQ_NOCACHE_LENGTH],[*],[1M])
86RTEMS_BSPOPTS_HELP([BSP_ZYNQ_NOCACHE_LENGTH],[length of nocache RAM region])
87
88AS_IF([test "x${RTEMS_BSP}" == xxilinx_zynq_a9_qemu],
89      [ZYNQ_RAM_ORIGIN="0x00000000"
90       ZYNQ_RAM_MMU="0x0fffc000"
91       ZYNQ_RAM_MMU_LENGTH="16k"
92       ZYNQ_RAM_ORIGIN_AVAILABLE="${ZYNQ_RAM_ORIGIN}"
93       ZYNQ_RAM_LENGTH_AVAILABLE="${BSP_ZYNQ_RAM_LENGTH} - 16k"
94       ZYNQ_RAM_INT_0_ORIGIN="0x00000000"
95       ZYNQ_RAM_INT_0_LENGTH="64k + 64k + 64k"
96       ZYNQ_RAM_INT_1_ORIGIN="0xFFFF0000"
97       ZYNQ_RAM_INT_1_LENGTH="64k - 512"])
98
99AS_IF([test "x${RTEMS_BSP}" == xxilinx_zynq_zc702],
100      [ZYNQ_RAM_ORIGIN="0x00100000"
101       ZYNQ_RAM_MMU="${ZYNQ_RAM_ORIGIN}"
102       ZYNQ_RAM_MMU_LENGTH="16k"
103       ZYNQ_RAM_ORIGIN_AVAILABLE="${ZYNQ_RAM_ORIGIN} + 0x00004000"
104       ZYNQ_RAM_LENGTH_AVAILABLE="${BSP_ZYNQ_RAM_LENGTH} - 1M - 16k"
105       ZYNQ_RAM_INT_0_ORIGIN="0x00000000"
106       ZYNQ_RAM_INT_0_LENGTH="64k + 64k + 64k"
107       ZYNQ_RAM_INT_1_ORIGIN="0xFFFF0000"
108       ZYNQ_RAM_INT_1_LENGTH="64k - 512"])
109
110AS_IF([test "x${RTEMS_BSP}" == xxilinx_zynq_zc706],
111      [ZYNQ_RAM_ORIGIN="0x00400000"
112       ZYNQ_RAM_MMU="${ZYNQ_RAM_ORIGIN}"
113       ZYNQ_RAM_MMU_LENGTH="16k"
114       ZYNQ_RAM_ORIGIN_AVAILABLE="${ZYNQ_RAM_ORIGIN} + 0x00004000"
115       ZYNQ_RAM_LENGTH_AVAILABLE="${BSP_ZYNQ_RAM_LENGTH} - 4M - 16k"
116       ZYNQ_RAM_INT_0_ORIGIN="0x00000000"
117       ZYNQ_RAM_INT_0_LENGTH="64k + 64k + 64k"
118       ZYNQ_RAM_INT_1_ORIGIN="0xFFFF0000"
119       ZYNQ_RAM_INT_1_LENGTH="64k - 512"])
120
121AS_IF([test "x${RTEMS_BSP}" == xxilinx_zynq_zedboard],
122      [ZYNQ_RAM_ORIGIN="0x00100000"
123       ZYNQ_RAM_MMU="${ZYNQ_RAM_ORIGIN}"
124       ZYNQ_RAM_MMU_LENGTH="16k"
125       ZYNQ_RAM_ORIGIN_AVAILABLE="${ZYNQ_RAM_ORIGIN} + 0x00004000"
126       ZYNQ_RAM_LENGTH_AVAILABLE="${BSP_ZYNQ_RAM_LENGTH} - 1M - 16k"
127       ZYNQ_RAM_INT_0_ORIGIN="0x00000000"
128       ZYNQ_RAM_INT_0_LENGTH="64k + 64k + 64k"
129       ZYNQ_RAM_INT_1_ORIGIN="0xFFFF0000"
130       ZYNQ_RAM_INT_1_LENGTH="64k - 512"])
131
132AC_DEFUN([ZYNQ_LINKCMD],[
133AC_ARG_VAR([$1],[$2; default $3])dnl
134[$1]=[$]{[$1]:-[$3]}
135])
136
137ZYNQ_LINKCMD([ZYNQ_CPUS],[Number of active cores],[${ZYNQ_CPUS}])
138ZYNQ_LINKCMD([ZYNQ_RAM_ORIGIN],[normal RAM region origin],[${ZYNQ_RAM_ORIGIN}])
139ZYNQ_LINKCMD([ZYNQ_RAM_LENGTH],[normal RAM region length],[${BSP_ZYNQ_RAM_LENGTH}])
140ZYNQ_LINKCMD([ZYNQ_RAM_MMU],[MMU region origin],[${ZYNQ_RAM_MMU}])
141ZYNQ_LINKCMD([ZYNQ_RAM_MMU_LENGTH],[MMU region length],[${ZYNQ_RAM_MMU_LENGTH}])
142ZYNQ_LINKCMD([ZYNQ_RAM_ORIGIN_AVAILABLE],[origin of available RAM],[${ZYNQ_RAM_ORIGIN_AVAILABLE}])
143ZYNQ_LINKCMD([ZYNQ_RAM_LENGTH_AVAILABLE],[length of available RAM],[${ZYNQ_RAM_LENGTH_AVAILABLE}])
144ZYNQ_LINKCMD([ZYNQ_RAM_NOCACHE_LENGTH],[length of nocache RAM region],[${BSP_ZYNQ_NOCACHE_LENGTH}])
145ZYNQ_LINKCMD([ZYNQ_RAM_INT_0_ORIGIN],[internal 0 RAM region origin],[${ZYNQ_RAM_INT_0_ORIGIN}])
146ZYNQ_LINKCMD([ZYNQ_RAM_INT_0_LENGTH],[internal 0 RAM region length],[${ZYNQ_RAM_INT_0_LENGTH}])
147ZYNQ_LINKCMD([ZYNQ_RAM_INT_1_ORIGIN],[internal 1 RAM region origin],[${ZYNQ_RAM_INT_1_ORIGIN}])
148ZYNQ_LINKCMD([ZYNQ_RAM_INT_1_LENGTH],[internal 1 RAM region length],[${ZYNQ_RAM_INT_1_LENGTH}])
149
150RTEMS_BSP_CLEANUP_OPTIONS
151
152AC_CONFIG_FILES([
153Makefile
154linkcmds:startup/linkcmds.in])
155AC_OUTPUT
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