[PATCH] mm: Add infrastructure for basic memory management
Gedare Bloom
gedare at rtems.org
Mon Feb 18 17:55:37 UTC 2013
The idea of this patch is to create an internal interface for using
memory management units such as MMU/MPU. Currently the internal
interface consists of initialization, installing entries (similar to
map in page-table parlance), and setting read-only or r/w permissions.
There is not support at the moment for uninstalling (unmapping)
entries, but I expect that would eventually be needed. There is also
no user-visible API to these features.
This patch is presently non-functional. If the design is acceptable I
will proceed with the remainder, which is to update every BSPs
Makefile.am in order to include the no_mm.c default implementation,
and commit/push the mess.
After the non-functional framework is in place, we can begin to add
support on a per-bsp/per-cpu model basis. I have the mpc6xx and arm920
support in my patch queue.
This is the start of integrating the MMU support projects that have
been done in three prior GSOC projects (students and mentors are
CC'd).
-Gedare
On Mon, Feb 18, 2013 at 12:47 PM, Gedare Bloom <gedare at rtems.org> wrote:
> ---
> c/src/lib/libcpu/shared/include/mm.h | 35 ++++++++++++++
> c/src/lib/libcpu/shared/src/no_mm.c | 18 +++++++
> cpukit/score/Makefile.am | 2 +
> cpukit/score/include/rtems/score/mm.h | 53 ++++++++++++++++++++
> cpukit/score/inline/rtems/score/mm.inl | 77 ++++++++++++++++++++++++++++++
> cpukit/score/preinstall.am | 8 +++
> testsuites/sptests/Makefile.am | 3 +-
> testsuites/sptests/configure.ac | 2 +
> testsuites/sptests/spmm01/Makefile.am | 18 +++++++
> testsuites/sptests/spmm01/init.c | 62 ++++++++++++++++++++++++
> testsuites/sptests/spmm01/spmm01.scn | 1 +
> testsuites/sptests/spmm01/system.h | 27 ++++++++++
> testsuites/sptests/spmm02/Makefile.am | 18 +++++++
> testsuites/sptests/spmm02/init.c | 82 ++++++++++++++++++++++++++++++++
> testsuites/sptests/spmm02/system.h | 27 ++++++++++
> 15 files changed, 432 insertions(+), 1 deletions(-)
> create mode 100644 c/src/lib/libcpu/shared/include/mm.h
> create mode 100644 c/src/lib/libcpu/shared/src/no_mm.c
> create mode 100644 cpukit/score/include/rtems/score/mm.h
> create mode 100644 cpukit/score/inline/rtems/score/mm.inl
> create mode 100644 testsuites/sptests/spmm01/Makefile.am
> create mode 100644 testsuites/sptests/spmm01/init.c
> create mode 100644 testsuites/sptests/spmm01/spmm01.scn
> create mode 100644 testsuites/sptests/spmm01/system.h
> create mode 100644 testsuites/sptests/spmm02/Makefile.am
> create mode 100644 testsuites/sptests/spmm02/init.c
> create mode 100644 testsuites/sptests/spmm02/spmm02.scn
> create mode 100644 testsuites/sptests/spmm02/system.h
>
> diff --git a/c/src/lib/libcpu/shared/include/mm.h b/c/src/lib/libcpu/shared/include/mm.h
> new file mode 100644
> index 0000000..82d1090
> --- /dev/null
> +++ b/c/src/lib/libcpu/shared/include/mm.h
> @@ -0,0 +1,35 @@
> +/*
> + * Copyright (c) 2013 Gedare Bloom.
> + *
> + * 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 __LIBCPU_MM_H
> +#define __LIBCPU_MM_H
> +
> +#include <rtems/score/mm.h>
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif
> +
> +void _CPU_Memory_management_Initialize(void);
> +
> +void _CPU_Memory_management_Install_entry(
> + Memory_management_Entry *mme
> +);
> +
> +void _CPU_Memory_management_Set_read_only(
> + Memory_management_Entry *mme
> +);
> +
> +void _CPU_Memory_management_Set_write(
> + Memory_management_Entry *mme
> +);
> +
> +#ifdef __cplusplus
> +}
> +#endif
> +#endif
> diff --git a/c/src/lib/libcpu/shared/src/no_mm.c b/c/src/lib/libcpu/shared/src/no_mm.c
> new file mode 100644
> index 0000000..7f8444f
> --- /dev/null
> +++ b/c/src/lib/libcpu/shared/src/no_mm.c
> @@ -0,0 +1,18 @@
> +/*
> + * Copyright (c) 2013 Gedare Bloom.
> + *
> + * 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 <rtems.h>
> +#include <libcpu/mm.h>
> +
> +void _CPU_Memory_management_Initialize( void ) { }
> +
> +void _CPU_Memory_management_Install_MPE( Memory_management_Entry *mpe ) { }
> +
> +void _CPU_Memory_management_Set_read_only( Memory_management_Entry *mpe ) { }
> +
> +void _CPU_Memory_management_Set_write( Memory_management_Entry *mpe ) { }
> diff --git a/cpukit/score/Makefile.am b/cpukit/score/Makefile.am
> index 8da32a5..47efcea 100644
> --- a/cpukit/score/Makefile.am
> +++ b/cpukit/score/Makefile.am
> @@ -30,6 +30,7 @@ include_rtems_score_HEADERS += include/rtems/score/protectedheap.h
> include_rtems_score_HEADERS += include/rtems/score/interr.h
> include_rtems_score_HEADERS += include/rtems/score/isr.h
> include_rtems_score_HEADERS += include/rtems/score/isrlevel.h
> +include_rtems_score_HEADERS += include/rtems/score/mm.h
> include_rtems_score_HEADERS += include/rtems/score/object.h
> include_rtems_score_HEADERS += include/rtems/score/percpu.h
> include_rtems_score_HEADERS += include/rtems/score/priority.h
> @@ -92,6 +93,7 @@ include_rtems_score_HEADERS += inline/rtems/score/coremutex.inl
> include_rtems_score_HEADERS += inline/rtems/score/coresem.inl
> include_rtems_score_HEADERS += inline/rtems/score/heap.inl
> include_rtems_score_HEADERS += inline/rtems/score/isr.inl
> +include_rtems_score_HEADERS += inline/rtems/score/mm.inl
> include_rtems_score_HEADERS += inline/rtems/score/object.inl
> include_rtems_score_HEADERS += inline/rtems/score/priority.inl
> include_rtems_score_HEADERS += inline/rtems/score/prioritybitmap.inl
> diff --git a/cpukit/score/include/rtems/score/mm.h b/cpukit/score/include/rtems/score/mm.h
> new file mode 100644
> index 0000000..f3dcfd1
> --- /dev/null
> +++ b/cpukit/score/include/rtems/score/mm.h
> @@ -0,0 +1,53 @@
> +/**
> + * @file
> + *
> + * @brief Manages use of MPU/MMU units to provide memory management.
> + */
> +
> +/*
> + * Copyright (c) 2013 Gedare Bloom.
> + * Copyright (c) 2012 Hesham Al-Matary.
> + *
> + * 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_SCORE_MM_H
> +#define _RTEMS_SCORE_MM_H
> +
> +/* @defgroup SuperCoreMM Memory Management Support
> + *
> + * @ingroup Score
> + */
> +/**@{*/
> +
> +#include <inttypes.h>
> +
> +#ifdef __cplusplus
> + extern "C" {
> +#endif
> +
> +/**
> + * @brief A managed _Memory_management_Region.
> + */
> +typedef struct {
> + char *name;
> + uintptr_t base;
> + size_t size;
> + bool installed;
> + /* points to structure defining the BSP specific MM entry */
> + void *bsp_mme;
> +} Memory_management_Entry;
> +
> +#ifndef __RTEMS_APPLICATION__
> +#include <rtems/score/mm.inl>
> +#endif
> +
> +#ifdef __cplusplus
> +}
> +#endif
> +
> +/**@}*/
> +
> +#endif
> diff --git a/cpukit/score/inline/rtems/score/mm.inl b/cpukit/score/inline/rtems/score/mm.inl
> new file mode 100644
> index 0000000..abe065d
> --- /dev/null
> +++ b/cpukit/score/inline/rtems/score/mm.inl
> @@ -0,0 +1,77 @@
> +/**
> + * @file
> + *
> + * @brief Inlined Routines from the Memory Management Manager
> + */
> +
> +/*
> + * Copyright (c) 2013 Gedare Bloom.
> + *
> + * 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_SCORE_MM_H
> +# error "Never use <rtems/score/mm.inl> directly; include <rtems/score/mm.h> instead."
> +#endif
> +
> +#ifndef _RTEMS_SCORE_MM_INL
> +#define _RTEMS_SCORE_MM_INL
> +
> +/**
> + * @addtogroup SuperCoreMM
> + */
> +/**@{**/
> +
> +/**
> + * @brief Calls _CPU_Memory_management_Initialize.
> + */
> +RTEMS_INLINE_ROUTINE void _Memory_management_Initialize( void )
> +{
> + _CPU_Memory_management_Initialize();
> +}
> +
> +/**
> + * @brief Calls _CPU_Memory_management_Install_entry.
> + */
> +RTEMS_INLINE_ROUTINE void _Memory_management_Install_entry(
> + Memory_management_Entry *mme
> +)
> +{
> + _CPU_Memory_management_Install_entry(mme);
> +}
> +
> +/**
> + * @brief Calls _CPU_Memory_management_Uninstall_entry.
> + */
> +RTEMS_INLINE_ROUTINE void _Memory_management_Uninstall_entry(
> + Memory_management_Entry *mme
> +)
> +{
> + _CPU_Memory_management_Uninstall_entry(mme);
> +}
> +
> +/**
> + * @brief Calls _CPU_Memory_management_Set_write.
> + */
> +RTEMS_INLINE_ROUTINE void _Memory_management_Set_write(
> + Memory_management_Entry *mme
> +)
> +{
> + _CPU_Memory_management_Set_write(mme);
> +}
> +
> +/**
> + * @brief Calls _CPU_Memory_management_Set_read_only
> + */
> +RTEMS_INLINE_ROUTINE void _Memory_management_Set_read_only(
> + Memory_management_Entry *mme
> +)
> +{
> + _CPU_Memory_management_Set_read_only(mme);
> +}
> +
> +/** @}*/
> +
> +#endif
> diff --git a/cpukit/score/preinstall.am b/cpukit/score/preinstall.am
> index a346c79..d3d0ea5 100644
> --- a/cpukit/score/preinstall.am
> +++ b/cpukit/score/preinstall.am
> @@ -103,6 +103,10 @@ $(PROJECT_INCLUDE)/rtems/score/isrlevel.h: include/rtems/score/isrlevel.h $(PROJ
> $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/isrlevel.h
> PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/isrlevel.h
>
> +$(PROJECT_INCLUDE)/rtems/score/mm.h: include/rtems/score/mm.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/mm.h
> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/mm.h
> +
> $(PROJECT_INCLUDE)/rtems/score/object.h: include/rtems/score/object.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
> $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/object.h
> PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/object.h
> @@ -292,6 +296,10 @@ $(PROJECT_INCLUDE)/rtems/score/isr.inl: inline/rtems/score/isr.inl $(PROJECT_INC
> $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/isr.inl
> PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/isr.inl
>
> +$(PROJECT_INCLUDE)/rtems/score/mm.inl: inline/rtems/score/mm.inl $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
> + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/mm.inl
> +PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/mm.inl
> +
> $(PROJECT_INCLUDE)/rtems/score/object.inl: inline/rtems/score/object.inl $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
> $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/object.inl
> PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/object.inl
> diff --git a/testsuites/sptests/Makefile.am b/testsuites/sptests/Makefile.am
> index c9d20dd..81d9089 100644
> --- a/testsuites/sptests/Makefile.am
> +++ b/testsuites/sptests/Makefile.am
> @@ -24,7 +24,8 @@ SUBDIRS = \
> spintrcritical05 spintrcritical06 spintrcritical07 spintrcritical08 \
> spintrcritical09 spintrcritical10 spintrcritical11 spintrcritical12 \
> spintrcritical13 spintrcritical14 spintrcritical15 spintrcritical16 \
> - spintrcritical17 spintrcritical18 spmkdir spmountmgr01 spheapprot \
> + spintrcritical17 spintrcritical18 \
> + spmkdir spmm01 spmm02 spmountmgr01 spheapprot \
> spsimplesched01 spsimplesched02 spsimplesched03 spnsext01 \
> spedfsched01 spedfsched02 spedfsched03 \
> spcbssched01 spcbssched02 spcbssched03 spqreslib sptimespec01 \
> diff --git a/testsuites/sptests/configure.ac b/testsuites/sptests/configure.ac
> index 2e48949..6cb1d46 100644
> --- a/testsuites/sptests/configure.ac
> +++ b/testsuites/sptests/configure.ac
> @@ -183,6 +183,8 @@ spintrcritical16/Makefile
> spintrcritical17/Makefile
> spheapprot/Makefile
> spmkdir/Makefile
> +spmm01/Makefile
> +spmm02/Makefile
> spmountmgr01/Makefile
> spnotepad01/Makefile
> spnsext01/Makefile
> diff --git a/testsuites/sptests/spmm01/Makefile.am b/testsuites/sptests/spmm01/Makefile.am
> new file mode 100644
> index 0000000..7f8b851
> --- /dev/null
> +++ b/testsuites/sptests/spmm01/Makefile.am
> @@ -0,0 +1,18 @@
> +
> +rtems_tests_PROGRAMS = spmm01
> +spmm01_SOURCES = init.c system.h
> +
> +dist_rtems_tests_DATA = mmtests.scn
> +
> +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP at .cfg
> +include $(top_srcdir)/../automake/compile.am
> +include $(top_srcdir)/../automake/leaf.am
> +
> +LINK_OBJS = $(spmm01_OBJECTS) $(spmm01_LDADD)
> +LINK_LIBS = $(spmm01_LDLIBS)
> +
> +spmm01$(EXEEXT): $(spmm01_OBJECTS) $(spmm01_DEPENDENCIES)
> + @rm -f spmm01$(EXEEXT)
> + $(make-exe)
> +
> +include $(top_srcdir)/../automake/local.am
> diff --git a/testsuites/sptests/spmm01/init.c b/testsuites/sptests/spmm01/init.c
> new file mode 100644
> index 0000000..4f48ebb
> --- /dev/null
> +++ b/testsuites/sptests/spmm01/init.c
> @@ -0,0 +1,62 @@
> +/* Init
> + *
> + * This routine is the initialization task for this test program.
> + *
> + */
> +
> +/*
> + * Copyright (c) 2013 Gedare Bloom.
> + * Copyright (c) 2012 Hesham Al-Matary.
> + *
> + * 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 __RTEMS_VIOLATE_KERNEL_VISIBILITY__
> +#define CONFIGURE_INIT
> +#include "system.h"
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <rtems/score/mm.h>
> +
> +rtems_task Init(
> + rtems_task_argument ignored
> +)
> +{
> + Memory_management_Entry mme1 = {
> + .name = "Valid Entry-1",
> + .base = 0x00100000,
> + .size = 0x200000,
> + .installed = false,
> + .bsp_mme = NULL
> + };
> + Memory_management_Entry mme2 = {
> + .name = "Valid Entry-2",
> + .base = 0x00400000,
> + .size = 0x100000,
> + .installed = false,
> + .bsp_mme = NULL
> + };
> +
> + puts( "\n\n*** Start of spmm01 ***\n" );
> +
> + puts( "initialize the memory management manager\n");
> + _Memory_management_Initialize ( );
> +
> + printf("Test 1: Installing Entry-1\n");
> + _Memory_management_Install_entry( &mme1 );
> +
> + printf("Test 2: Set Read only for installed Entry-1 permissions\n");
> + _Memory_management_Set_read_only( &mme1 );
> +
> + printf("Test 3 : Installing Entry-2\n");
> + _Memory_management_Install_entry( &mme2 );
> +
> + printf("Test 4: Set Write permission for installed Entry-2\n");
> + _Memory_management_Set_write( &mme2 );
> +
> + printf( "\n\n*** End of spmm01 ***\n" );
> +
> + exit( 0 );
> +}
> diff --git a/testsuites/sptests/spmm01/spmm01.scn b/testsuites/sptests/spmm01/spmm01.scn
> new file mode 100644
> index 0000000..8b13789
> --- /dev/null
> +++ b/testsuites/sptests/spmm01/spmm01.scn
> @@ -0,0 +1 @@
> +
> diff --git a/testsuites/sptests/spmm01/system.h b/testsuites/sptests/spmm01/system.h
> new file mode 100644
> index 0000000..206ef29
> --- /dev/null
> +++ b/testsuites/sptests/spmm01/system.h
> @@ -0,0 +1,27 @@
> +/* system.h
> + *
> + * Copyright (c) 2013 Gedare Bloom.
> + *
> + * 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 <rtems.h>
> +
> +/* functions */
> +rtems_task Init(
> + rtems_task_argument argument
> +);
> +
> +/* configuration information */
> +#include <bsp.h> /* for device driver prototypes */
> +
> +#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
> +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
> +
> +#define CONFIGURE_MAXIMUM_TASKS 2
> +#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
> +
> +#include <rtems/confdefs.h>
> +/* end of include file */
> diff --git a/testsuites/sptests/spmm02/Makefile.am b/testsuites/sptests/spmm02/Makefile.am
> new file mode 100644
> index 0000000..405e336
> --- /dev/null
> +++ b/testsuites/sptests/spmm02/Makefile.am
> @@ -0,0 +1,18 @@
> +
> +rtems_tests_PROGRAMS = spmm02
> +spmm02_SOURCES = init.c system.h
> +
> +dist_rtems_tests_DATA = mmtests.scn
> +
> +include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP at .cfg
> +include $(top_srcdir)/../automake/compile.am
> +include $(top_srcdir)/../automake/leaf.am
> +
> +LINK_OBJS = $(spmm02_OBJECTS) $(spmm02_LDADD)
> +LINK_LIBS = $(spmm02_LDLIBS)
> +
> +spmm02$(EXEEXT): $(spmm02_OBJECTS) $(spmm02_DEPENDENCIES)
> + @rm -f spmm02$(EXEEXT)
> + $(make-exe)
> +
> +include $(top_srcdir)/../automake/local.am
> diff --git a/testsuites/sptests/spmm02/init.c b/testsuites/sptests/spmm02/init.c
> new file mode 100644
> index 0000000..fb52436
> --- /dev/null
> +++ b/testsuites/sptests/spmm02/init.c
> @@ -0,0 +1,82 @@
> +/* Init
> + *
> + * This routine is the initialization task for this test program.
> + */
> +
> +/*
> + * Copyright (c) 2013 Gedare Bloom.
> + * Copyright (c) 2012 Hesham Al-Matary.
> + *
> + * 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 __RTEMS_VIOLATE_KERNEL_VISIBILITY__
> +#define CONFIGURE_INIT
> +#include "system.h"
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <rtems/score/mm.h>
> +
> +rtems_task Init(
> + rtems_task_argument ignored
> +)
> +{
> + unsigned char* a1;
> + unsigned char* a2;
> + char a;
> +
> + /* FIXME: Make these addresses target-independent */
> + Memory_management_Entry mme1 = {
> + .name = "Valid Entry-1",
> + .base = 0x00100000,
> + .size = 0x200000,
> + .installed = false,
> + .bsp_mme = NULL
> + };
> + Memory_management_Entry mme2 = {
> + .name = "Valid Entry-2",
> + .base = 0x00400000,
> + .size = 0x100000,
> + .installed = false,
> + .bsp_mme = NULL
> + };
> +
> + puts( "\n\n*** Start of spmm02 ***\n" );
> +
> + _Memory_management_Initialize ( );
> +
> + printf("Test 1: Installing Entry-1\n");
> + _Memory_management_Install_entry( &mme1 );
> +
> + printf("Test 2: Set Read only for installed Entry-1 permissions\n");
> + _Memory_management_Set_read_only( &mme1 );
> +
> + printf("Test 3: Installing Entry-2\n");
> + _Memory_management_Install_entry( &mme2 );
> +
> + printf("Test 4: Set Write permission for installed Entry-2\n");
> + _Memory_management_Set_write( &mme2 );
> +
> + /* FIXME: Make fatal tests? */
> + /* FIXME: make addresses target-independent */
> + a1 = (char*)0xffffffffU;
> + printf("Checking MMU exception 1: Read from Unmapped block\n");
> + a = *a1++;
> +
> + a1 = (char*)0xffffffffU + 0x2000U;
> + printf("Checking MMU exception 2: Write to Unmapped block\n");
> + //*a1++ = 0xCC;
> +
> + // this one isn't an exception.
> + a2 = mme1.base;
> + printf("Checking MMU exception 3: Read from readonly block\n");
> + a = *a2++;
> +
> + printf("Checking MMU exception 4: Write to readonly block \n");
> + *a2++ = 0xCC;
> +
> + printf( "\n\n*** End of spmm02 ***\n" );
> + exit( 0 );
> +}
> diff --git a/testsuites/sptests/spmm02/spmm02.scn b/testsuites/sptests/spmm02/spmm02.scn
> new file mode 100644
> index 0000000..e69de29
> diff --git a/testsuites/sptests/spmm02/system.h b/testsuites/sptests/spmm02/system.h
> new file mode 100644
> index 0000000..15dd018
> --- /dev/null
> +++ b/testsuites/sptests/spmm02/system.h
> @@ -0,0 +1,27 @@
> +/* system.h
> + *
> + * COPYRIGHT (c) 2013 Gedare Bloom.
> + *
> + * 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 <rtems.h>
> +
> +/* functions */
> +rtems_task Init(
> + rtems_task_argument argument
> +);
> +
> +/* configuration information */
> +#include <bsp.h> /* for device driver prototypes */
> +
> +#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
> +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
> +
> +#define CONFIGURE_MAXIMUM_TASKS 2
> +#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
> +
> +#include <rtems/confdefs.h>
> +/* end of include file */
> --
> 1.7.1
>
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