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author | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2016-09-01 21:55:51 +0200 |
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committer | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2016-09-07 20:29:39 +0200 |
commit | 38a5385bc06a5e0b44a2cdebc51e9e8304b010ca (patch) | |
tree | 49c2d1520502f274d30bf70a3ab008deeebb8df8 /c/src | |
parent | arm/raspberrypi: rename linkcmds to linkcmds.in to allow their configure proc... (diff) | |
download | rtems-38a5385bc06a5e0b44a2cdebc51e9e8304b010ca.tar.bz2 |
arm/raspberrypi: propagate number of configured CPUs into linker script.
Diffstat (limited to 'c/src')
-rw-r--r-- | c/src/lib/libbsp/arm/raspberrypi/configure.ac | 14 | ||||
-rw-r--r-- | c/src/lib/libbsp/arm/raspberrypi/startup/linkcmds.in | 2 |
2 files changed, 16 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/raspberrypi/configure.ac b/c/src/lib/libbsp/arm/raspberrypi/configure.ac index 48bd62cbf4..b772d6e762 100644 --- a/c/src/lib/libbsp/arm/raspberrypi/configure.ac +++ b/c/src/lib/libbsp/arm/raspberrypi/configure.ac @@ -40,6 +40,20 @@ RTEMS_BSPOPTS_SET([BSP_IS_RPI2],[*],[0]) RTEMS_BSPOPTS_HELP([BSP_IS_RPI2],[Set if the BSP variant is Raspberry Pi 2.]) AM_CONDITIONAL(RTEMS_RPI2,[test "$BSP_IS_RPI2" = "1"]) +# Hom many CPUs are used? +RASPBERRYPI_CPUS="1" +RTEMS_CHECK_SMP +AM_CONDITIONAL(HAS_SMP,[test "$rtems_cv_HAS_SMP" = "yes"]) +AS_IF([test "$rtems_cv_HAS_SMP" = "yes"], + [RASPBERRYPI_CPUS="4"]) + +AC_DEFUN([RASPBERRYPI_LINKCMD],[ +AC_ARG_VAR([$1],[$2; default $3])dnl +[$1]=[$]{[$1]:-[$3]} +]) + +RASPBERRYPI_LINKCMD([RASPBERRYPI_CPUS],[Number of active cores],[${RASPBERRYPI_CPUS}]) + RTEMS_BSP_CLEANUP_OPTIONS(0, 0) AC_CONFIG_FILES([ diff --git a/c/src/lib/libbsp/arm/raspberrypi/startup/linkcmds.in b/c/src/lib/libbsp/arm/raspberrypi/startup/linkcmds.in index fc72b5cfd0..d88c6d74b8 100644 --- a/c/src/lib/libbsp/arm/raspberrypi/startup/linkcmds.in +++ b/c/src/lib/libbsp/arm/raspberrypi/startup/linkcmds.in @@ -41,6 +41,8 @@ MEMORY { RAM (AIW) : ORIGIN = 0x00008000, LENGTH = 128M - 32k } +bsp_processor_count = DEFINED (bsp_processor_count) ? bsp_processor_count : @RASPBERRYPI_CPUS@; + REGION_ALIAS ("REGION_START", RAM); REGION_ALIAS ("REGION_VECTOR", VECTOR_RAM); REGION_ALIAS ("REGION_TEXT", RAM); |