On Sun, Aug 25, 2013 at 8:14 PM, Hesham AL-Matary <heshamelmat...@gmail.com> wrote: > --- > cpukit/score/Makefile.am | 2 + > cpukit/score/include/rtems/score/mm.h | 52 ++++++++++++++++++++ > cpukit/score/include/rtems/score/mmimpl.h | 80 > +++++++++++++++++++++++++++++++ > cpukit/score/preinstall.am | 8 ++++ > 4 files changed, 142 insertions(+) > create mode 100644 cpukit/score/include/rtems/score/mm.h > create mode 100644 cpukit/score/include/rtems/score/mmimpl.h > > diff --git a/cpukit/score/Makefile.am b/cpukit/score/Makefile.am > index c9d2d47..b94af80 100644 > --- a/cpukit/score/Makefile.am > +++ b/cpukit/score/Makefile.am > @@ -37,6 +37,8 @@ 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/isrlock.h > +include_rtems_score_HEADERS += include/rtems/score/mm.h > +include_rtems_score_HEADERS += include/rtems/score/mmimpl.h > include_rtems_score_HEADERS += include/rtems/score/freechain.h > include_rtems_score_HEADERS += include/rtems/score/object.h > include_rtems_score_HEADERS += include/rtems/score/objectimpl.h > diff --git a/cpukit/score/include/rtems/score/mm.h > b/cpukit/score/include/rtems/score/mm.h > new file mode 100644 > index 0000000..43f6fc9 > --- /dev/null > +++ b/cpukit/score/include/rtems/score/mm.h > @@ -0,0 +1,52 @@ > +/** > + * @file > + * > + * @brief Manages use of MPU/MMU units to provide memory management. > + */ > + > +/* > + * Copyright (c) 2013 Hesham Al-Matary. > + * 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 > +#define _RTEMS_SCORE_MM_H > + > +/* @defgroup SuperCoreMM Memory Management Support > + * > + * @ingroup Score > + */ > +/**@{*/ > + > +#ifdef __cplusplus > +extern "C" { > +#endif > + > +/** > + * @brief _Memory_management_Region Flags defs > + */ > +#define RTEMS_MM_REGION_NO_PROTECTION 0x0 > +#define RTEMS_MM_REGION_PROTECTION_READ_ONLY 0x1 > +#define RTEMS_MM_REGION_PROTECTION_WRITE 0x2 > +#define RTEMS_MM_REGION_NO_ACCESS 0x3 > +//#define RTEMS_MM_REGION_PROTECTION_EXEC 0x4 > + Is there a reason to have "no protection"? Does it make sense to define "No access" as 0x0?
> +void _Memory_management_Initialize( void ); > + > +void _Memory_management_Set_attributes( > + uintptr_t base, > + size_t size, > + uint32_t attr > +); > + > +#ifdef __cplusplus > +} > +#endif > + > +/**@}*/ > + > +#endif > diff --git a/cpukit/score/include/rtems/score/mmimpl.h > b/cpukit/score/include/rtems/score/mmimpl.h > new file mode 100644 > index 0000000..7eecef0 > --- /dev/null > +++ b/cpukit/score/include/rtems/score/mmimpl.h > @@ -0,0 +1,80 @@ > +/** > + * @file > + * > + * @brief Inlined Routines from the Memory Management Manager > + */ > + > +/* > + * Copyright (c) 2013 Hesham AL-Matary > + * 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_MMIMPL_H > +#define _RTEMS_SCORE_MMIMPL_H > + > +#ifdef RTEMS_SMP > +#include <rtems/score/smplock.h> > +#endif > + > +#include <stdint.h> > +#include <stdlib.h> > +#include <rtems/score/mm.h> > +#include <libcpu/mm.h> > + > +#ifdef __cplusplus > +extern "C" { > +#endif > + > +/** > + * @addtogroup SuperCoreMM > + */ > +/**@{**/ > + > +#ifdef RTEMS_SMP > +SMP_lock_Control mm_lock; > +#endif > + > +/** > + * @brief Calls _CPU_Memory_management_Initialize. > + */ > +void _Memory_management_Initialize( void ) > +{ > +#ifdef RTEMS_SMP > + _SMP_lock_Initialize( &mm_lock ); > +#endif > + > + _CPU_Memory_management_Initialize(); > +} > + > +/** > + * @brief Calls _CPU_Memory_management_Set_attributes. > + */ > +void _Memory_management_Set_attributes( > + uintptr_t base, > + size_t size, > + uint32_t attr > +) > +{ > +#ifdef RTEMS_SMP > + _SMP_lock_Acquire( &mm_lock ); > +#endif > + > + _CPU_Memory_management_Set_attributes(base, size, attr); > + > +#ifdef RTEMS_SMP > + _SMP_lock_Release( &mm_lock ); > +#endif > +} > + > +/** @}*/ > + > +#ifdef __cplusplus > +} > +#endif > + > +#endif > +/* end of include file */ > diff --git a/cpukit/score/preinstall.am b/cpukit/score/preinstall.am > index 79a18b5..4b3bfcf 100644 > --- a/cpukit/score/preinstall.am > +++ b/cpukit/score/preinstall.am > @@ -131,6 +131,14 @@ $(PROJECT_INCLUDE)/rtems/score/isrlock.h: > include/rtems/score/isrlock.h $(PROJEC > $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/isrlock.h > PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/isrlock.h > > +$(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/mmimpl.h: include/rtems/score/mmimpl.h > $(PROJECT_INCLUDE)/rtems/score/$(dirstamp) > + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/mmimpl.h > +PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/mmimpl.h > + > $(PROJECT_INCLUDE)/rtems/score/freechain.h: include/rtems/score/freechain.h > $(PROJECT_INCLUDE)/rtems/score/$(dirstamp) > $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/freechain.h > PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/freechain.h > -- > 1.8.3.1 > > _______________________________________________ > rtems-devel mailing list > rtems-devel@rtems.org > http://www.rtems.org/mailman/listinfo/rtems-devel _______________________________________________ rtems-devel mailing list rtems-devel@rtems.org http://www.rtems.org/mailman/listinfo/rtems-devel
