[PATCH] i386/virtualpok BSP, virtual BSP to be used with POK, build with enable-paravirt

Gedare Bloom gedare at rtems.org
Fri Dec 6 14:40:42 UTC 2013


I'm generally OK with these 2 patches.

On Thu, Dec 5, 2013 at 10:59 AM, Philipp Eppelt
<philipp.eppelt at mailbox.tu-dresden.de> wrote:
> ---
>  c/src/lib/libbsp/i386/acinclude.m4                 |   2 +
>  c/src/lib/libbsp/i386/virtualpok/Makefile.am       |  87 +++++++
>  c/src/lib/libbsp/i386/virtualpok/README.virt       |  23 ++
>  c/src/lib/libbsp/i386/virtualpok/bsp_specs         |  14 ++
>  c/src/lib/libbsp/i386/virtualpok/clock/ckinit.c    | 139 ++++++++++++
>  c/src/lib/libbsp/i386/virtualpok/configure.ac      |  23 ++
>  c/src/lib/libbsp/i386/virtualpok/console/console.c | 184 +++++++++++++++
>  c/src/lib/libbsp/i386/virtualpok/include/bsp.h     |  53 +++++
>  .../virtualpok/include/virtualizationlayerbsp.h    |  62 +++++
>  c/src/lib/libbsp/i386/virtualpok/irq/irq.c         |  85 +++++++
>  c/src/lib/libbsp/i386/virtualpok/irq/irq.h         |  79 +++++++
>  .../i386/virtualpok/make/custom/virtualpok.cfg     |  17 ++
>  c/src/lib/libbsp/i386/virtualpok/preinstall.am     |  79 +++++++
>  c/src/lib/libbsp/i386/virtualpok/start/start.S     |  37 +++
>  .../i386/virtualpok/startup/bspgetworkarea.c       | 102 +++++++++
>  .../lib/libbsp/i386/virtualpok/startup/bspstart.c  |  41 ++++
>  c/src/lib/libbsp/i386/virtualpok/startup/linkcmds  | 251 +++++++++++++++++++++
>  17 files changed, 1278 insertions(+)
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/Makefile.am
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/README.virt
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/bsp_specs
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/clock/ckinit.c
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/configure.ac
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/console/console.c
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/include/bsp.h
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/include/virtualizationlayerbsp.h
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/irq/irq.c
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/irq/irq.h
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/make/custom/virtualpok.cfg
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/preinstall.am
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/start/start.S
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/startup/bspgetworkarea.c
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/startup/bspstart.c
>  create mode 100644 c/src/lib/libbsp/i386/virtualpok/startup/linkcmds
>
> diff --git a/c/src/lib/libbsp/i386/acinclude.m4 b/c/src/lib/libbsp/i386/acinclude.m4
> index a2f2384..2d60714 100644
> --- a/c/src/lib/libbsp/i386/acinclude.m4
> +++ b/c/src/lib/libbsp/i386/acinclude.m4
> @@ -4,6 +4,8 @@ AC_DEFUN([RTEMS_CHECK_BSPDIR],
>    case "$1" in
>    pc386 )
>      AC_CONFIG_SUBDIRS([pc386]);;
> +  virtualpok )
> +    AC_CONFIG_SUBDIRS([virtualpok]);;
>    *)
>      AC_MSG_ERROR([Invalid BSP]);;
>    esac
> diff --git a/c/src/lib/libbsp/i386/virtualpok/Makefile.am b/c/src/lib/libbsp/i386/virtualpok/Makefile.am
> new file mode 100644
> index 0000000..e545962
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/Makefile.am
> @@ -0,0 +1,87 @@
> +##
> +
> +ACLOCAL_AMFLAGS = -I ../../../../aclocal
> +
> +include $(top_srcdir)/../../../../automake/compile.am
> +include $(top_srcdir)/../../bsp.am
> +
> +include_bspdir = $(includedir)/bsp
> +
> +dist_project_lib_DATA = bsp_specs
> +
> +include_HEADERS = include/bsp.h
> +include_HEADERS += ../../shared/include/tm27.h
> +include_HEADERS += include/virtualizationlayerbsp.h
> +#include_HEADERS += include/virtualizationlayercpu.h
> +
> +nodist_include_HEADERS = include/bspopts.h
> +nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
> +DISTCLEANFILES = include/bspopts.h
> +noinst_PROGRAMS =
> +
> +include_bsp_HEADERS  = irq/irq.h
> +include_bsp_HEADERS += ../../shared/include/irq-generic.h
> +#include_bsp_HEADERS  +=
> +
> +nodist_include_HEADERS += ../../shared/include/coverhd.h
> +
> +#noinst_LIBRARIES = libbspstart.a
> +#libbspstart_a_SOURCES = start/_start.S
> +
> +dist_project_lib_DATA += startup/linkcmds
> +
> +noinst_LIBRARIES = libbsp.a
> +libbsp_a_SOURCES =
> +
> +# startup
> +libbsp_a_SOURCES += start/start.S
> +project_lib_DATA = start.$(OBJEXT)
> +libbsp_a_SOURCES += ../../shared/bspclean.c
> +libbsp_a_SOURCES += ../../shared/bsplibc.c
> +libbsp_a_SOURCES += ../../shared/bsppretaskinghook.c
> +libbsp_a_SOURCES += ../../shared/bsppredriverhook.c
> +libbsp_a_SOURCES += startup/bspgetworkarea.c
> +libbsp_a_SOURCES += ../../shared/bsppost.c
> +libbsp_a_SOURCES += startup/bspstart.c
> +libbsp_a_SOURCES += ../../shared/bootcard.c
> +libbsp_a_SOURCES += ../../shared/sbrk.c
> +libbsp_a_SOURCES += ../../shared/gnatinstallhandler.c
> +libbsp_a_SOURCES += ../../shared/bspreset_loop.c
> +libbsp_a_SOURCES += irq/irq.c
> +libbsp_a_SOURCES += ../../shared/src/irq-generic.c
> +# TODO I don't really need an IDT, don't I?
> +libbsp_a_SOURCES += ../../i386/shared/irq/idt.c
> +
> +# clock
> +libbsp_a_SOURCES += clock/ckinit.c
> +# console
> +libbsp_a_SOURCES += console/console.c
> +# timer
> +#libbsp_a_SOURCES += timer/timer.c timer/timerisr.c
> +
> +libbsp_a_LIBADD = ../../../libcpu/@RTEMS_CPU@/cache.rel
> +libbsp_a_LIBADD += ../../../libcpu/@RTEMS_CPU@/page.rel
> +libbsp_a_LIBADD += ../../../libcpu/@RTEMS_CPU@/score.rel
> +
> +noinst_LIBRARIES += libpokpart.a
> +
> +libpokpart.a :
> +       cp -u $(top_srcdir)/libpart.a .
> +       ar t libpart.a > libpart.list
> +       sed -e "s/\.lo/\.o/g" libpart.list > libpart.o.list
> +       ar x libpart.a
> +       rename .lo .o `cat libpart.list`
> +       ar q libbsp.a `cat libpart.o.list`
> +#      ar cru libpokpart.a `cat libpart.o.list`
> +# rm `cat libpart.o.list` is optional as all files get overwritten with new
> +# ones by 'ar x'. But I think it's bad style to remove object files during
> +# compilation.
> +
> +
> +#libpokpart_a_LIBADD = libpart.a
> +
> +
> +EXTRA_DIST = times
> +
> +include $(srcdir)/preinstall.am
> +include $(top_srcdir)/../../../../automake/local.am
> diff --git a/c/src/lib/libbsp/i386/virtualpok/README.virt b/c/src/lib/libbsp/i386/virtualpok/README.virt
> new file mode 100644
> index 0000000..47382ca
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/README.virt
> @@ -0,0 +1,23 @@
> +Author: Philipp Eppelt
> +  philipp.eppelt at mailbox.tu-dresden.de
> +
> +This BSP is intended to be used with POK. Other hosts are currently not
> +supported.
> +
> +The BSP uses functions from the virtualization layer. The host system has to
> +provide a library implementing the function specified in the virtualization
> +layer. Otherwise the compilation process will fail.
> +
> +Further information on the project can be obtained in the RTEMS Wiki:
> +wiki.rtems.org/wiki/index.php/GSOC_2013_-_Paravirtualization_of_RTEMS
> +
> +
> +== ATTENTION ==
> +In order to build this BSP you need a library file called "libpart.a". This
> +file is produced by POK after you compiled the rtems-guest example found here:
> +https://github.com/phipse/pok
> +
> +Then you have to copy libpart.a to this folder. Now you should be able to
> +compile.
> +Further information can be found here:
> +http://phipse.github.io/rtems/blog/2013/07/08/HelloWorld/
> diff --git a/c/src/lib/libbsp/i386/virtualpok/bsp_specs b/c/src/lib/libbsp/i386/virtualpok/bsp_specs
> new file mode 100644
> index 0000000..861b21e
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/bsp_specs
> @@ -0,0 +1,14 @@
> +%rename lib old_lib
> +
> +*endfile:
> +crtend.o%s crtn.o%s
> +
> +*startfile:
> +%{!qrtems: %(old_startfile)} \
> +%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s }}
> +
> +*lib:
> +%{!qrtems: %(old_lib)} \
> +%{!nostdlib: %{qrtems: --start-group -lrtemsbsp -lrtemscpu -lc -lgcc --end-group \
> +%{!qnolinkcmds: -T linkcmds%s}}}
> +
> diff --git a/c/src/lib/libbsp/i386/virtualpok/clock/ckinit.c b/c/src/lib/libbsp/i386/virtualpok/clock/ckinit.c
> new file mode 100644
> index 0000000..d36eb3d
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/clock/ckinit.c
> @@ -0,0 +1,139 @@
> +/*  ckinit.c
> + *
> + *  This file provides a clock device driver to be used with the
> + *  virtualizationlayer.
> + *
> + *  COPYRIGHT (c) 2013.
> + *  Philipp Eppelt.
> + *
> + *  COPYRIGHT (c) 1989-1999.
> + *  On-Line Applications Research Corporation (OAR).
> + *
> + *  The license and distribution terms for this file may be
> + *  found in the file LICENSE in this distribution or at
> + *  http://www.rtems.com/license/LICENSE.
> + *
> + */
> +
> +#include <stdlib.h>
> +#include <stdio.h>
> +
> +#include <bsp.h>
> +#include <bsp/irq.h>
> +
> +#include <rtems.h>
> +#include <rtems/config.h>
> +#include <rtems/score/tod.h>
> +#include <rtems/score/watchdog.h>
> +#include <rtems/score/timestamp.h>
> +#include <assert.h>
> +#include <rtems/score/virtualizationlayercpu.h>
> +#include <virtualizationlayerbsp.h>
> +
> +
> +void Clock_isr(void *param);
> +static void Clock_isr_handler(void *param);
> +/*
> + *  The interrupt vector number associated with the clock tick device
> + *  driver.
> + */
> +
> +#define CLOCK_VECTOR    0x0
> +
> +/*
> + *  Clock_driver_ticks is a monotonically increasing counter of the
> + *  number of clock ticks since the driver was initialized.
> + */
> +
> +volatile uint32_t pc386_microseconds_per_isr;
> +volatile uint32_t pc386_isrs_per_tick;
> +volatile uint32_t         Clock_driver_ticks;
> +
> +void     (*Clock_driver_support_at_tick)(void) = NULL;
> +
> +#define Clock_driver_support_install_isr( _new, _old ) \
> +  do { \
> +    _old = NULL; \
> +  } while(0)
> +
> +bool Clock_isr_enabled = false;
> +
> +static void Clock_isr_handler(void *param)
> +{
> +  if ( Clock_isr_enabled )
> +    Clock_isr( param );
> +} // Clock_isr_handler
> +
> +static void Clock_driver_support_at_tick_empty(void)
> +{
> +}
> +
> +/**
> + * @brief Enable clock device; start receiving clock interrupts.
> + */
> +static void clockOn(void)
> +{
> +  pc386_isrs_per_tick        = 1;
> +  pc386_microseconds_per_isr = rtems_configuration_get_microseconds_per_tick();
> +
> +  _CPU_Virtual_Irq_request( CLOCK_VECTOR );
> +} // clockOn
> +
> +/**
> + * @brief Disable clock device; stop receiving clock interrupts.
> + */
> +static void clockOff(void)
> +{
> +  _CPU_Virtual_Irq_detach( CLOCK_VECTOR );
> +} // clockOff
> +
> +/**
> + * @brief Install the clock ISR in the RTEMS interrupt table.
> + */
> +void Clock_driver_install_handler(void);
> +void Clock_driver_install_handler(void)
> +{
> +  rtems_status_code status;
> +
> +  status = rtems_interrupt_handler_install(
> +    BSP_PERIODIC_TIMER,
> +    "ckinit",
> +    RTEMS_INTERRUPT_UNIQUE,
> +    Clock_isr_handler,
> +    NULL
> +  );
> +  if(status != RTEMS_SUCCESSFUL)
> +    printf( "ERROR: During clock interrupt handler install: %i\n", status);
> +  else
> +    printf( "CLOCK DRIVER installed successfully\n");
> +
> +  clockOn();
> +} // Clock_driver_install_handler
> +
> +uint32_t (*Clock_driver_nanoseconds_since_last_tick)(void) = NULL;
> +
> +/**
> + * @brief Setup the clock driver.
> + */
> +void Clock_driver_support_initialize_hardware(void);
> +void Clock_driver_support_initialize_hardware(void)
> +{
> +    Clock_driver_support_at_tick = Clock_driver_support_at_tick_empty;
> +
> +    Clock_isr_enabled = true;
> +} // Clock_driver_support_initialize_hardware
> +
> +#define Clock_driver_support_shutdown_hardware() \
> +  do { \
> +    rtems_status_code status; \
> +    clockOff(); \
> +    status = rtems_interrupt_handler_remove(  \
> +      BSP_PERIODIC_TIMER, \
> +      Clock_isr_handler,  \
> +      NULL  \
> +    );  \
> +    assert(status == RTEMS_SUCCESSFUL); \
> +  } while (0)
> +
> +
> +#include "../../../shared/clockdrv_shell.h"
> diff --git a/c/src/lib/libbsp/i386/virtualpok/configure.ac b/c/src/lib/libbsp/i386/virtualpok/configure.ac
> new file mode 100644
> index 0000000..eca01cc
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/configure.ac
> @@ -0,0 +1,23 @@
> +## Process this file with autoconf to produce a configure script.
> +##
> +
> +AC_PREREQ([2.68])
> +AC_INIT([rtems-c-src-lib-libbsp-i386-virtualpok],[_RTEMS_VERSION],[http://www.rtems.org/bugzilla])
> +AC_CONFIG_SRCDIR([bsp_specs])
> +RTEMS_TOP(../../../../../..)
> +
> +RTEMS_CANONICAL_TARGET_CPU
> +AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.12.2])
> +RTEMS_BSP_CONFIGURE
> +
> +RTEMS_PROG_CC_FOR_TARGET
> +RTEMS_CANONICALIZE_TOOLS
> +RTEMS_PROG_CCAS
> +
> +AC_SUBST([RTEMS_ROOT],[${rtems_updir}'$(top_builddir)'])
> +
> +RTEMS_BSP_CLEANUP_OPTIONS(0, 0)
> +
> +# Explicitly list all Makefiles here
> +AC_CONFIG_FILES([Makefile])
> +AC_OUTPUT
> diff --git a/c/src/lib/libbsp/i386/virtualpok/console/console.c b/c/src/lib/libbsp/i386/virtualpok/console/console.c
> new file mode 100644
> index 0000000..51ff319
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/console/console.c
> @@ -0,0 +1,184 @@
> +/*
> + *  This file contains the template for a console IO package.
> + *
> + *  COPYRIGHT (c) 2013 Philipp Eppelt.
> + *
> + *  COPYRIGHT (c) 1989-1999.
> + *  On-Line Applications Research Corporation (OAR).
> + *
> + *  The license and distribution terms for this file may be
> + *  found in the file LICENSE in this distribution or at
> + *  http://www.rtems.com/license/LICENSE.
> + *
> + */
> +
> +#define NO_BSP_INIT
> +
> +#include <bsp.h>
> +#include <rtems/libio.h>
> +#include <virtualizationlayerbsp.h>
> +
> +/**
> + * @brief Initializes the console.
> + */
> +rtems_device_driver console_initialize(
> +  rtems_device_major_number  major,
> +  rtems_device_minor_number  minor,
> +  void                      *arg
> +)
> +{
> +  rtems_status_code status;
> +
> +  status = rtems_io_register_name(
> +    "/dev/console",
> +    major,
> +    (rtems_device_minor_number) 0
> +  );
> +
> +  if (status != RTEMS_SUCCESSFUL)
> +  {
> +    rtems_fatal_error_occurred(status);
> +  }
> +
> +// Virtual console init
> +  status = _BSP_Virtual_Console_init();
> +
> +  if( status != 0 )
> +  {
> +    rtems_fatal_error_occurred(status);
> +  }
> +
> +  return RTEMS_SUCCESSFUL;
> +}
> +
> +/**
> + * @brief Read a char from the virtual console (if supported).
> + */
> +char inbyte( void )
> +{
> +  return _BSP_Virtual_Char_read();
> +}
> +
> +
> +/**
> + * @brief Write a char to the virtual console.
> + */
> +void outbyte(
> +  char ch
> +)
> +{
> +  _BSP_Virtual_Char_write(&ch);
> +}
> +
> +/* printk support */
> +BSP_output_char_function_type BSP_output_char = outbyte;
> +BSP_polling_getchar_function_type BSP_poll_char = inbyte;
> +
> +
> +/* Console support */
> +
> +/*
> + * It is mostly a translation of termios intended calls to the char by char
> + * printk interface.
> + */
> +
> +/**
> + * @brief Does nothing.
> + */
> +rtems_device_driver console_open(
> +  rtems_device_major_number major,
> +  rtems_device_minor_number minor,
> +  void                    * arg
> +)
> +{
> +  return RTEMS_SUCCESSFUL;
> +}
> +
> +/**
> + * @brief Does nothing.
> + */
> +rtems_device_driver console_close(
> +  rtems_device_major_number major,
> +  rtems_device_minor_number minor,
> +  void                    * arg
> +)
> +{
> +  return RTEMS_SUCCESSFUL;
> +}
> +
> +/*
> + * read bytes from the serial port. We only have stdin.
> + */
> +
> +/**
> + * @brief Looks like termios, but reads through inbyte() function.
> + */
> +rtems_device_driver console_read(
> +  rtems_device_major_number major,
> +  rtems_device_minor_number minor,
> +  void                    * arg
> +)
> +{
> +  rtems_libio_rw_args_t *rw_args;
> +  char *buffer;
> +  int maximum;
> +  int count = 0;
> +
> +  rw_args = (rtems_libio_rw_args_t *) arg;
> +
> +  buffer = rw_args->buffer;
> +  maximum = rw_args->count;
> +
> +  for (count = 0; count < maximum; count++) {
> +    buffer[ count ] = inbyte();
> +    if (buffer[ count ] == '\n' || buffer[ count ] == '\r') {
> +      buffer[ count++ ]  = '\n';
> +      break;
> +    }
> +  }
> +
> +  rw_args->bytes_moved = count;
> +  return (count >= 0) ? RTEMS_SUCCESSFUL : RTEMS_UNSATISFIED;
> +}
> +
> +/**
> + * @brief Looks like termios, but writes through outbyte() function.
> + */
> +rtems_device_driver console_write(
> +  rtems_device_major_number major,
> +  rtems_device_minor_number minor,
> +  void                    * arg
> +)
> +{
> +  int count;
> +  int maximum;
> +  rtems_libio_rw_args_t *rw_args;
> +  char *buffer;
> +
> +  rw_args = (rtems_libio_rw_args_t *) arg;
> +
> +  buffer = rw_args->buffer;
> +  maximum = rw_args->count;
> +
> +  for (count = 0; count < maximum; count++) {
> +    if ( buffer[ count ] == '\n') {
> +      outbyte('\r');
> +    }
> +    outbyte( buffer[ count ] );
> +  }
> +
> +  rw_args->bytes_moved = maximum;
> +  return 0;
> +}
> +
> +/**
> + * @brief Does nothing!
> + */
> +rtems_device_driver console_control(
> +  rtems_device_major_number major,
> +  rtems_device_minor_number minor,
> +  void                    * arg
> +)
> +{
> +  return RTEMS_SUCCESSFUL;
> +}
> diff --git a/c/src/lib/libbsp/i386/virtualpok/include/bsp.h b/c/src/lib/libbsp/i386/virtualpok/include/bsp.h
> new file mode 100644
> index 0000000..1d781ba
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/include/bsp.h
> @@ -0,0 +1,53 @@
> +/*  bsp.h
> + *
> + *  This include file contains all board IO definitions.
> + *
> + *  COPYRIGHT (c) 2013 Philipp Eppelt.
> + *
> + *  COPYRIGHT (c) 1989-1999.
> + *  On-Line Applications Research Corporation (OAR).
> + *
> + *  The license and distribution terms for this file may be
> + *  found in the file LICENSE in this distribution or at
> + *  http://www.rtems.com/license/LICENSE.
> + *
> + */
> +
> +#ifndef _BSP_H
> +#define _BSP_H
> +
> +#include <bspopts.h>
> +
> +#include <rtems.h>
> +#include <rtems/console.h>
> +#include <rtems/clockdrv.h>
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif
> +
> +/*
> + *  Simple spin delay in microsecond units for device drivers.
> + *  This is very dependent on the clock speed of the target.
> + */
> +
> +#define rtems_bsp_delay( microseconds ) \
> +  { \
> +  }
> +
> +
> +
> +#define        BSP_DEFAULT_UNIFIED_WORK_AREAS 1
> +/* functions */
> +
> +rtems_isr_entry set_vector(                    /* returns old vector */
> +  rtems_isr_entry     handler,                  /* isr routine        */
> +  rtems_vector_number vector,                   /* vector number      */
> +  int                 type                      /* RTEMS or RAW intr  */
> +);
> +
> +#ifdef __cplusplus
> +}
> +#endif
> +
> +#endif
> diff --git a/c/src/lib/libbsp/i386/virtualpok/include/virtualizationlayerbsp.h b/c/src/lib/libbsp/i386/virtualpok/include/virtualizationlayerbsp.h
> new file mode 100644
> index 0000000..a329610
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/include/virtualizationlayerbsp.h
> @@ -0,0 +1,62 @@
> +/*
> + *
> + *  COPYRIGHT (c) 2013 Philipp Eppelt.
> + *    philipp.eppelt at mailbox.tu-dresden.de
> + *
> + *  Purpose:   BSP part of the virtualization layer.
> + *
> + *  The license and distribution terms for this file may be
> + *  found in the file LICENSE in this distribution or at
> + *  http://www.rtems.com/license/LICENSE.
> + */
> +
> +#ifndef RTEMS_VIRT_LAYER_BSP_H
> +#define RTEMS_VIRT_LAYER_BSP_H
> +
> +/**
> + * \brief Initializes the console.
> + *
> + */
> +int
> +_BSP_Virtual_Console_init(void);
> +
> +/**
> + * \brief Reads a character from the console.
> + */
> +char
> +_BSP_Virtual_Char_read(void);
> +
> +/**
> + * \brief Writes a character to the console.
> + */
> +void
> +_BSP_Virtual_Char_write(char* c);
> +
> +/**
> + * \brief Initializes the clock.
> + */
> +int
> +_BSP_Virtual_Clock_init(void);
> +
> +/**
> + * \brief Reads the clock.
> + */
> +int
> +_BSP_Virtual_Clock_read(void);
> +
> +/**
> + * \brief Handles faults delivered by the host system.
> + *
> + * POK will forward occuring faults to this handler.
> + */
> +int
> +_BSP_Virtual_faulthandler(void);
> +
> +
> +/* Startup functions
> + */
> +
> +int
> +_BSP_Virtual_getworkspacearea( void );
> +
> +#endif /* RTEMS_VIRT_LAYER_BSP_H */
> diff --git a/c/src/lib/libbsp/i386/virtualpok/irq/irq.c b/c/src/lib/libbsp/i386/virtualpok/irq/irq.c
> new file mode 100644
> index 0000000..a095e26
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/irq/irq.c
> @@ -0,0 +1,85 @@
> +#include <bsp/irq-generic.h>
> +#include <stdlib.h>
> +#include <stdio.h>
> +#include <inttypes.h> /* PRIu32 */
> +#include <virtualizationlayerbsp.h>
> +
> +uint32_t            irq_count[BSP_IRQ_LINES_NUMBER] = {0};
> +
> +uint32_t
> +BSP_irq_count_dump(FILE *f)
> +{
> +  uint32_t tot = 0;
> +  int      i;
> +  if ( !f )
> +    f = stdout;
> +  for ( i=0; i<BSP_IRQ_LINES_NUMBER; i++ ) {
> +    tot += irq_count[i];
> +    fprintf(f,"IRQ %2u: %9"PRIu32"\n", i, irq_count[i]);
> +  }
> +  return tot;
> +}
> +
> +/**
> + * @brief Enable vector line at interrupt source. See description!
> + *
> + * Currently this is only a dummy function, as registering the vector on POK
> + * will deliver interrupts before the handler is installed. So the driver
> + * needing the interrupt needs to call _CPU_Virtual_Irq_attach().
> + */
> +rtems_status_code bsp_interrupt_vector_enable(rtems_vector_number vector)
> +{
> +
> +  return RTEMS_SUCCESSFUL;
> +}
> +
> +/**
> + * @brief Disabling vector line at interrupt source.
> + */
> +rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number vector)
> +{
> +  _CPU_Virtual_Irq_detach( vector );
> +
> +  return RTEMS_SUCCESSFUL;
> +}
> +
> +/**
> + * @brief Dummy function; necessary for a normal startup.
> + */
> +rtems_status_code bsp_interrupt_facility_initialize(void)
> +{
> +  return RTEMS_SUCCESSFUL;
> +}
> +
> +/**
> + * @brief If no interrupt handler is installed for a specified vector number,
> + * this is called and will output a warning.
> + */
> +void bsp_interrupt_handler_default(rtems_vector_number vector)
> +{
> +  printk( "WARNING: Somebody forgot to register a handler for this interrupt: %x \n", vector );
> +}
> +
> +/**
> + * @brief Forwards the interrupt to bsp_interrupt_handler_dispatch to look for
> + * the right handler.
> + */
> +void C_dispatch_isr(int vector)
> +{
> +  irq_count[vector]++;
> +  bsp_interrupt_handler_dispatch(vector);
> +}
> +
> +/**
> + * @brief Initializes interrupts management.
> + *
> + * Called by bsp_start(), does all necessary IRQ initialization.
> + */
> +void  rtems_irq_mngt_init(void)
> +{
> +    /*
> +     * Init initial Interrupt management config
> +     */
> +    bsp_interrupt_initialize();
> +    printf("bsp_interrupt_initialize successful\n");
> +}
> diff --git a/c/src/lib/libbsp/i386/virtualpok/irq/irq.h b/c/src/lib/libbsp/i386/virtualpok/irq/irq.h
> new file mode 100644
> index 0000000..83aa109
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/irq/irq.h
> @@ -0,0 +1,79 @@
> +/* irq.h
> + *
> + *  This include file describe the data structure and the functions implemented
> + *  by rtems to write interrupt handlers.
> + *
> + *  CopyRight (C) 1998 valette at crf.canon.fr
> + *
> + *  This code is heavilly inspired by the public specification of STREAM V2
> + *  that can be found at :
> + *
> + *      <http://www.chorus.com/Documentation/index.html> by following
> + *  the STREAM API Specification Document link.
> + *
> + *  The license and distribution terms for this file may be
> + *  found in the file LICENSE in this distribution or at
> + *  http://www.rtems.com/license/LICENSE.
> + */
> +
> +/*
> + * The code here is to accomodate some drivers from the i386 shared directory,
> + * for the POK BSP they are useless but removing will break compilation.
> + *
> + * Leaving this to be here is harmless, this code can be thrown when the POK
> + * BSP gets its own architecture directory.
> + */
> +#ifndef _IRQ_H_
> +#define _IRQ_H_
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif
> +
> +/*
> + * Include some preprocessor value also used by assember code
> + */
> +
> +#include <rtems.h>
> +#define BSP_SHARED_HANDLER_SUPPORT      1
> +#include <rtems/irq.h>
> +#include <rtems/irq-extension.h>
> +
> +/*-------------------------------------------------------------------------+
> +| Constants
> ++--------------------------------------------------------------------------*/
> +
> +    /* Base vector for our IRQ handlers. */
> +#define BSP_IRQ_LINES_NUMBER           16
> +#define BSP_LOWEST_OFFSET              0
> +#define BSP_MAX_OFFSET                 (BSP_IRQ_LINES_NUMBER - 1)
> +    /*
> +     * Interrupt offset in comparison to BSP_ASM_IRQ_VECTOR_BASE
> +     * NB : 1) Interrupt vector number in IDT = offset + BSP_ASM_IRQ_VECTOR_BASE
> +     *             2) The same name should be defined on all architecture
> +     *        so that handler connection can be unchanged.
> +     */
> +#define BSP_PERIODIC_TIMER      0
> +#define BSP_KEYBOARD           1 /* can't be used, as POK doesn't support keyboards */
> +#define BSP_UART_COM2_IRQ      3
> +#define BSP_UART_COM1_IRQ      4
> +#define BSP_UART_COM3_IRQ      5
> +#define BSP_UART_COM4_IRQ      6
> +#define BSP_RT_TIMER1          8
> +#define BSP_RT_TIMER3          10
> +#define BSP_SMP_IPI            16
> +
> +#define BSP_INTERRUPT_VECTOR_MIN BSP_LOWEST_OFFSET
> +#define BSP_INTERRUPT_VECTOR_MAX BSP_MAX_OFFSET
> +
> +/*-------------------------------------------------------------------------+
> +| Function Prototypes.
> ++--------------------------------------------------------------------------*/
> +
> +void C_dispatch_isr(int vector);
> +
> +#ifdef __cplusplus
> +}
> +#endif
> +
> +#endif /* _IRQ_H_ */
> diff --git a/c/src/lib/libbsp/i386/virtualpok/make/custom/virtualpok.cfg b/c/src/lib/libbsp/i386/virtualpok/make/custom/virtualpok.cfg
> new file mode 100644
> index 0000000..a280b9d
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/make/custom/virtualpok.cfg
> @@ -0,0 +1,17 @@
> +#
> +#  Configuration file for the "virtualpok" board
> +#
> +
> +include $(RTEMS_ROOT)/make/custom/default.cfg
> +
> +RTEMS_CPU=i386
> +RTEMS_CPU_MODEL=pentium
> +
> +#CPU_CFLAGS =
> +
> +# debug info
> +CFLAGS_OPTIMIZE_V = -g
> +
> +# Miscellaneous additions go here
> +
> +#see pc386/make/custom/ for more information
> diff --git a/c/src/lib/libbsp/i386/virtualpok/preinstall.am b/c/src/lib/libbsp/i386/virtualpok/preinstall.am
> new file mode 100644
> index 0000000..698ede6
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/preinstall.am
> @@ -0,0 +1,79 @@
> +## Automatically generated by ampolish3 - Do not edit
> +
> +if AMPOLISH3
> +$(srcdir)/preinstall.am: Makefile.am
> +       $(AMPOLISH3) $(srcdir)/Makefile.am > $(srcdir)/preinstall.am
> +endif
> +
> +PREINSTALL_DIRS =
> +DISTCLEANFILES += $(PREINSTALL_DIRS)
> +
> +all-local: $(TMPINSTALL_FILES)
> +
> +TMPINSTALL_FILES =
> +CLEANFILES = $(TMPINSTALL_FILES)
> +
> +all-am: $(PREINSTALL_FILES)
> +
> +PREINSTALL_FILES =
> +CLEANFILES += $(PREINSTALL_FILES)
> +
> +$(PROJECT_LIB)/$(dirstamp):
> +       @$(MKDIR_P) $(PROJECT_LIB)
> +       @: > $(PROJECT_LIB)/$(dirstamp)
> +PREINSTALL_DIRS += $(PROJECT_LIB)/$(dirstamp)
> +
> +$(PROJECT_INCLUDE)/$(dirstamp):
> +       @$(MKDIR_P) $(PROJECT_INCLUDE)
> +       @: > $(PROJECT_INCLUDE)/$(dirstamp)
> +PREINSTALL_DIRS += $(PROJECT_INCLUDE)/$(dirstamp)
> +
> +$(PROJECT_INCLUDE)/bsp/$(dirstamp):
> +       @$(MKDIR_P) $(PROJECT_INCLUDE)/bsp
> +       @: > $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> +PREINSTALL_DIRS += $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> +
> +$(PROJECT_LIB)/bsp_specs: bsp_specs $(PROJECT_LIB)/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_LIB)/bsp_specs
> +PREINSTALL_FILES += $(PROJECT_LIB)/bsp_specs
> +
> +$(PROJECT_INCLUDE)/bsp.h: include/bsp.h $(PROJECT_INCLUDE)/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp.h
> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp.h
> +
> +$(PROJECT_INCLUDE)/tm27.h: ../../shared/include/tm27.h $(PROJECT_INCLUDE)/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/tm27.h
> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/tm27.h
> +
> +$(PROJECT_INCLUDE)/virtualizationlayerbsp.h: include/virtualizationlayerbsp.h $(PROJECT_INCLUDE)/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/virtualizationlayerbsp.h
> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/virtualizationlayerbsp.h
> +
> +$(PROJECT_INCLUDE)/bspopts.h: include/bspopts.h $(PROJECT_INCLUDE)/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
> +
> +$(PROJECT_INCLUDE)/bsp/bootcard.h: ../../shared/include/bootcard.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/bootcard.h
> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/bootcard.h
> +
> +$(PROJECT_INCLUDE)/bsp/irq.h: irq/irq.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq.h
> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq.h
> +
> +$(PROJECT_INCLUDE)/bsp/irq-generic.h: ../../shared/include/irq-generic.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-generic.h
> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-generic.h
> +
> +$(PROJECT_INCLUDE)/coverhd.h: ../../shared/include/coverhd.h $(PROJECT_INCLUDE)/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/coverhd.h
> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/coverhd.h
> +
> +$(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
> +PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds
> +
> +$(PROJECT_LIB)/start.$(OBJEXT): start.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp)
> +       $(INSTALL_DATA) $< $(PROJECT_LIB)/start.$(OBJEXT)
> +TMPINSTALL_FILES += $(PROJECT_LIB)/start.$(OBJEXT)
> +
> diff --git a/c/src/lib/libbsp/i386/virtualpok/start/start.S b/c/src/lib/libbsp/i386/virtualpok/start/start.S
> new file mode 100644
> index 0000000..5048586
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/start/start.S
> @@ -0,0 +1,37 @@
> +/*
> + *  COPYRIGHT (c) 2013/
> + *  Philipp Eppelt.
> + *
> + *  Contact:  philipp.eppelt at mailbox.tu-dresden.de
> + *
> + *  Purpose:  Provides GNU entry point and directly go to bootcard.
> + */
> +
> +#include <rtems/asm.h>
> +#include <rtems/score/cpu.h>
> +
> +
> +#ifndef CPU_STACK_ALIGNMENT
> +#error  "Missing header ? CPU_STACK_ALIGNMENT NOT DEFINED"
> +#endif
> +
> +.set STACK_SIZE, 0x1000
> +
> +/*----------------------------------------------------------------------------+
> +| CODE section
> ++----------------------------------------------------------------------------*/
> +
> +BEGIN_CODE
> +
> +       PUBLIC (start)          # GNU default entry point
> +
> +       EXTERN (boot_card)
> +       EXTERN (bsp_reset)
> +
> +
> +SYM (start):
> +
> +       call    SYM (boot_card)
> +
> +       # TODO when this returns there should be some shut down handling
> +       call    SYM (bsp_reset)
> diff --git a/c/src/lib/libbsp/i386/virtualpok/startup/bspgetworkarea.c b/c/src/lib/libbsp/i386/virtualpok/startup/bspgetworkarea.c
> new file mode 100644
> index 0000000..562a8e9
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/startup/bspgetworkarea.c
> @@ -0,0 +1,102 @@
> +/*
> + *  This routine is an implementation of the bsp_get_work_area()
> + *  that can be used by all BSPs following linkcmds conventions
> + *  regarding heap, stack, and workspace allocation.
> + *
> + *  COPYRIGHT (c) 1989-2008.
> + *  On-Line Applications Research Corporation (OAR).
> + *
> + *  Copyright (c) 2011 embedded brains GmbH.
> + *
> + *  The license and distribution terms for this file may be
> + *  found in the file LICENSE in this distribution or at
> + *  http://www.rtems.com/license/LICENSE.
> + */
> +
> +/* #define BSP_GET_WORK_AREA_DEBUG */
> +
> +#include <bsp.h>
> +#include <bsp/bootcard.h>
> +#ifdef BSP_GET_WORK_AREA_DEBUG
> +  #include <rtems/bspIo.h>
> +#endif
> +
> +
> +/*
> + *  These are provided by the linkcmds for ALL of the BSPs which use this file.
> + */
> +extern char WorkAreaBase[];
> +extern char HeapSize[];
> +
> +extern char ELFBase[];
> +extern char textBase[];
> +extern char rodataBase[];
> +extern char dataBase[];
> +
> +unsigned long _Global_descriptor_table = 0;
> +
> +/*
> + *  This method returns the base address and size of the area which
> + *  is to be allocated between the RTEMS Workspace and the C Program
> + *  Heap.
> + */
> +void bsp_work_area_initialize( void )
> +{
> +/*  uintptr_t ELF_Base = (uintptr_t) ELFBase;
> +  uintptr_t text_Base = (uintptr_t) textBase;
> +  uintptr_t rodata_Base = (uintptr_t) rodataBase;
> +  uintptr_t data_Base = (uintptr_t) dataBase;
> +*/
> +  uintptr_t work_base = (uintptr_t) WorkAreaBase;
> +  uint32_t work_size = 0x100000 * 4;
> +//  uint32_t base_addr = 0;
> +//  uint32_t pok_stack_size = 0;
> +
> +  // TODO add call to virtlayer to get space
> +  bsp_work_area_initialize_default( work_base, work_size );
> +/*
> +  *work_area_start = (void *) work_base + pok_stack_size;
> +  *work_area_size  = size - work_base - pok_stack_size;
> +  *heap_start      = 0;
> +  *heap_size       = (uintptr_t) HeapSize;
> +*/
> +  /*
> +   *  The following may be helpful in debugging what goes wrong when
> +   *  you are allocating the Work Area in a new BSP.
> +   */
> +  #ifdef BSP_GET_WORK_AREA_DEBUG
> +    {
> +      void *sp = __builtin_frame_address(0);
> +      void *end = *work_area_start + *work_area_size;
> +      printk(
> +        "ELFBase = 0x%p\n"
> +        "textBase = 0x%p\n"
> +        "rodataBase = 0x%p\n"
> +        "dataBase = 0x%p\n"
> +        "work_area_start (base_addr) = 0x%p\n"
> +        "WorkAreaBase = 0x%p\n"
> +        "work_area_size = %d 0x%08x\n"
> +        "end = 0x%p\n"
> +        "heap_start = 0x%p\n"
> +        "heap_size = %d\n"
> +        "pok stack size = 0x%p\n"
> +        "current stack pointer = 0x%p%s\n",
> +        ELF_Base,
> +        text_Base,
> +        rodata_Base,
> +        data_Base,
> +        *work_area_start,
> +        work_base,
> +        *work_area_size,  /* decimal */
> +        *work_area_size,  /* hexadecimal */
> +        end,
> +        *heap_start,
> +        *heap_size,
> +        pok_stack_size,
> +        sp,
> +        ((sp >= *work_area_start && sp <= end) ? " OVERLAPS!" : "")
> +     );
> +  }
> + #endif
> +
> +}
> diff --git a/c/src/lib/libbsp/i386/virtualpok/startup/bspstart.c b/c/src/lib/libbsp/i386/virtualpok/startup/bspstart.c
> new file mode 100644
> index 0000000..e787f96
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/startup/bspstart.c
> @@ -0,0 +1,41 @@
> +/*
> + *  This routine starts the application.  It includes application,
> + *  board, and monitor specific initialization and configuration.
> + *  The generic CPU dependent initialization has been performed
> + *  before this routine is invoked.
> + *
> + *  COPYRIGHT (c) 1989-1999.
> + *  On-Line Applications Research Corporation (OAR).
> + *
> + *  The license and distribution terms for this file may be
> + *  found in the file LICENSE in this distribution or at
> + *  http://www.rtems.com/license/LICENSE.
> + *
> + */
> +
> +#include <string.h>
> +
> +#include <bsp.h>
> +#include <rtems.h>
> +#include <rtems/bspIo.h>
> +#include <virtualizationlayerbsp.h>
> +
> +
> +extern void rtems_irq_mngt_init(void);
> +
> +/*
> + *  bsp_start
> + *
> + *  This routine does the bulk of the system initialization.
> + */
> +void bsp_start( void )
> +{
> +
> +  _BSP_Virtual_Char_write( "Hello RTEMS World\n" );
> +
> +  // Initialize IRQ management
> +  rtems_irq_mngt_init();
> +
> +  // Register clock driver
> +  Clock_driver_install_handler();
> +}
> diff --git a/c/src/lib/libbsp/i386/virtualpok/startup/linkcmds b/c/src/lib/libbsp/i386/virtualpok/startup/linkcmds
> new file mode 100644
> index 0000000..a425a94
> --- /dev/null
> +++ b/c/src/lib/libbsp/i386/virtualpok/startup/linkcmds
> @@ -0,0 +1,251 @@
> +/*
> + *  Copy of default "default linker script, for normal executables"
> + *  provided with binutils 2.18 with minor modifications for use
> + *  as pc386 linkcmds.  These changes include:
> + *
> + *    + sections commented out marked with "XXX commented out --joel"
> + *    + addition of m_hdr section
> + *    + addition of FreeBSD sysctl sections
> + */
> +
> +/*
> + * XXX commented out --joel
> +OUTPUT_FORMAT("elf32-i386", "elf32-i386",
> +             "elf32-i386")
> +OUTPUT_ARCH(i386)
> +*/
> +ENTRY(start)
> +HeapSize = DEFINED(HeapSize) ? HeapSize :
> +          DEFINED(_HeapSize) ? _HeapSize : 0x0;
> +RamBase = DEFINED(_RamBase) ? RamBase : 0x0;
> +RamSize = DEFINED(RamSize) ? RamSize    :
> +          DEFINED(_RamSize) ? _RamSize : 0xFFFFFFFF;
> +
> +SECTIONS
> +{
> +  . = 0x1000;
> +  /* Read-only sections, merged into text segment: */
> +/*
> + * XXX commented out --joel
> +  PROVIDE (__executable_start = 0x08048000); . = 0x08048000 + SIZEOF_HEADERS;
> +*/
> +  .interp         : { *(.interp) }
> +  .note.gnu.build-id : { *(.note.gnu.build-id) }
> +  .hash           : { *(.hash) }
> +  .gnu.hash       : { *(.gnu.hash) }
> +  .dynsym         : { *(.dynsym) }
> +  .dynstr         : { *(.dynstr) }
> +  .gnu.version    : { *(.gnu.version) }
> +  .gnu.version_d  : { *(.gnu.version_d) }
> +  .gnu.version_r  : { *(.gnu.version_r) }
> +  .rel.init       : { *(.rel.init) }
> +  .rela.init      : { *(.rela.init) }
> +  .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
> +  .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
> +  .rel.fini       : { *(.rel.fini) }
> +  .rela.fini      : { *(.rela.fini) }
> +  .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
> +  .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
> +  .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
> +  .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
> +  .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
> +  .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
> +  .rel.tdata     : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
> +  .rela.tdata    : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
> +  .rel.tbss      : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
> +  .rela.tbss     : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
> +  .rel.ctors      : { *(.rel.ctors) }
> +  .rela.ctors     : { *(.rela.ctors) }
> +  .rel.dtors      : { *(.rel.dtors) }
> +  .rela.dtors     : { *(.rela.dtors) }
> +  .rel.got        : { *(.rel.got) }
> +  .rela.got       : { *(.rela.got) }
> +  .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
> +  .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
> +  .rel.plt        : { *(.rel.plt) }
> +  .rela.plt       : { *(.rela.plt) }
> +  .plt            : { *(.plt) }
> +  .text           :
> +  {
> +   *(.m_hdr)
> +    *(.text .stub .text.* .gnu.linkonce.t.*)
> +    KEEP (*(.text.*personality*))
> +    /* .gnu.warning sections are handled specially by elf32.em.  */
> +    *(.gnu.warning)
> +
> +  } =0x90909090
> +
> +  .robsdsets : {
> +    /* for pre rtems-libbsd FreeBSD code */
> +    __start_set_sysctl_set = .;
> +    *(set_sysctl_*);
> +    __stop_set_sysctl_set = .;
> +    *(set_domain_*);
> +    *(set_pseudo_*);
> +
> +    /* for rtems-libbsd FreeBSD code */
> +    _bsd__start_set_modmetadata_set = .;
> +    *(_bsd_set_modmetadata_set);
> +    _bsd__stop_set_modmetadata_set = .;
> +
> +    _bsd__start_set_sysctl_set = .;
> +    *(_bsd_set_sysctl_set);
> +    _bsd__stop_set_sysctl_set = .;
> +
> +    _bsd__start_set_sysinit_set = .;
> +    *(_bsd_set_sysinit_*);
> +    _bsd__stop_set_sysinit_set = .;
> +
> +    bsp_section_rodata_end = .;
> +
> +  } =0x90909090
> +
> +  .init           :
> +  {
> +    KEEP (*(.init))
> +  } =0x90909090
> +  .fini           :
> +  {
> +    KEEP (*(.fini))
> +  } =0x90909090
> +  PROVIDE (__etext = .);
> +  PROVIDE (_etext = .);
> +  PROVIDE (etext = .);
> +  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
> +  .rodata1        : { *(.rodata1) }
> +  .eh_frame_hdr : { *(.eh_frame_hdr) }
> +  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
> +  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
> +  /* Adjust the address for the data segment.  We want to adjust up to
> +     the same address within the page on the next page up.  */
> +  . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
> +  /* Exception handling  */
> +  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
> +  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
> +  /* Thread Local Storage sections  */
> +  .tdata         : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
> +  .tbss                  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
> +  .preinit_array     :
> +  {
> +    PROVIDE_HIDDEN (__preinit_array_start = .);
> +    KEEP (*(.preinit_array))
> +    PROVIDE_HIDDEN (__preinit_array_end = .);
> +  }
> +  .init_array     :
> +  {
> +     PROVIDE_HIDDEN (__init_array_start = .);
> +     KEEP (*(SORT(.init_array.*)))
> +     KEEP (*(.init_array))
> +     PROVIDE_HIDDEN (__init_array_end = .);
> +  }
> +  .fini_array     :
> +  {
> +    PROVIDE_HIDDEN (__fini_array_start = .);
> +    KEEP (*(.fini_array))
> +    KEEP (*(SORT(.fini_array.*)))
> +    PROVIDE_HIDDEN (__fini_array_end = .);
> +  }
> +  .ctors          :
> +  {
> +    /* gcc uses crtbegin.o to find the start of
> +       the constructors, so we make sure it is
> +       first.  Because this is a wildcard, it
> +       doesn't matter if the user does not
> +       actually link against crtbegin.o; the
> +       linker won't look for a file to match a
> +       wildcard.  The wildcard also means that it
> +       doesn't matter which directory crtbegin.o
> +       is in.  */
> +    KEEP (*crtbegin.o(.ctors))
> +    KEEP (*crtbegin?.o(.ctors))
> +    /* We don't want to include the .ctor section from
> +       the crtend.o file until after the sorted ctors.
> +       The .ctor section from the crtend file contains the
> +       end of ctors marker and it must be last */
> +    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
> +    KEEP (*(SORT(.ctors.*)))
> +    KEEP (*(.ctors))
> +  }
> +  .dtors          :
> +  {
> +    KEEP (*crtbegin.o(.dtors))
> +    KEEP (*crtbegin?.o(.dtors))
> +    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
> +    KEEP (*(SORT(.dtors.*)))
> +    KEEP (*(.dtors))
> +  }
> +  .jcr            : { KEEP (*(.jcr)) }
> +  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
> +  .dynamic        : { *(.dynamic) }
> +  .got            : { *(.got) }
> +  . = DATA_SEGMENT_RELRO_END (12, .);
> +  .got.plt        : { *(.got.plt) }
> +  .data           :
> +  {
> +    *(.data .data.* .gnu.linkonce.d.*)
> +    KEEP (*(.gnu.linkonce.d.*personality*))
> +    SORT(CONSTRUCTORS)
> +  }
> +  .data1          : { *(.data1) }
> +  _edata = .; PROVIDE (edata = .);
> +  __bss_start = .;
> +  .bss            :
> +  {
> +   *(.dynbss)
> +   *(.bss .bss.* .gnu.linkonce.b.*)
> +   *(COMMON)
> +   /* Align here to ensure that the .bss section occupies space up to
> +      _end.  Align after .bss to ensure correct alignment even if the
> +      .bss section disappears because there are no input sections.
> +      FIXME: Why do we need it? When there is no .bss section, we don't
> +      pad the .data section.  */
> +   . = ALIGN(. != 0 ? 32 / 8 : 1);
> +  }
> +  . = ALIGN(32 / 8);
> +  . = ALIGN(32 / 8);
> +  _end = .; PROVIDE (end = .);
> +  . = ALIGN(0x10);
> +  WorkAreaBase = .;
> +  . = DATA_SEGMENT_END (.);
> +
> +  /* Stabs debugging sections.  */
> +  .stab          0 : { *(.stab) }
> +  .stabstr       0 : { *(.stabstr) }
> +  .stab.excl     0 : { *(.stab.excl) }
> +  .stab.exclstr  0 : { *(.stab.exclstr) }
> +  .stab.index    0 : { *(.stab.index) }
> +  .stab.indexstr 0 : { *(.stab.indexstr) }
> +  .comment       0 : { *(.comment) }
> +  /* DWARF debug sections.
> +     Symbols in the DWARF debugging sections are relative to the beginning
> +     of the section so we begin them at 0.  */
> +  /* DWARF 1 */
> +  .debug          0 : { *(.debug) }
> +  .line           0 : { *(.line) }
> +  /* GNU DWARF 1 extensions */
> +  .debug_srcinfo  0 : { *(.debug_srcinfo) }
> +  .debug_sfnames  0 : { *(.debug_sfnames) }
> +  /* DWARF 1.1 and DWARF 2 */
> +  .debug_aranges  0 : { *(.debug_aranges) }
> +  .debug_pubnames 0 : { *(.debug_pubnames) }
> +  /* DWARF 2 */
> +  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
> +  .debug_abbrev   0 : { *(.debug_abbrev) }
> +  .debug_line     0 : { *(.debug_line) }
> +  .debug_frame    0 : { *(.debug_frame) }
> +  .debug_str      0 : { *(.debug_str) }
> +  .debug_loc      0 : { *(.debug_loc) }
> +  .debug_macinfo  0 : { *(.debug_macinfo) }
> +  /* SGI/MIPS DWARF 2 extensions */
> +  .debug_weaknames 0 : { *(.debug_weaknames) }
> +  .debug_funcnames 0 : { *(.debug_funcnames) }
> +  .debug_typenames 0 : { *(.debug_typenames) }
> +  .debug_varnames  0 : { *(.debug_varnames) }
> +  /* DWARF 3 */
> +  .debug_pubtypes 0 : { *(.debug_pubtypes) }
> +  .debug_ranges   0 : { *(.debug_ranges) }
> +  /* DWARF extension */
> +  .debug_macro    0 : { *(.debug_macro) }
> +  .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
> +  /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
> +}
> --
> 1.8.1.4
>
> _______________________________________________
> rtems-devel mailing list
> rtems-devel at rtems.org
> http://www.rtems.org/mailman/listinfo/rtems-devel



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