From: Hesham ALmatary <heshamelmat...@gmail.com> --- cpukit/score/Makefile.am | 2 + cpukit/score/include/rtems/score/mm.h | 67 ++++++++++++++++++++++++++++ cpukit/score/inline/rtems/score/mm.inl | 80 ++++++++++++++++++++++++++++++++++ cpukit/score/preinstall.am | 8 ++++ 4 files changed, 157 insertions(+) create mode 100644 cpukit/score/include/rtems/score/mm.h create mode 100644 cpukit/score/inline/rtems/score/mm.inl
diff --git a/cpukit/score/Makefile.am b/cpukit/score/Makefile.am index 3f6e686..58a865b 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 @@ -90,6 +91,7 @@ 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..6163be6 --- /dev/null +++ b/cpukit/score/include/rtems/score/mm.h @@ -0,0 +1,67 @@ +/** + * @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 + */ +/**@{*/ + +#include <inttypes.h> + +#ifdef RTEMS_SMP +#include <rtems/score/smplock.h> +#endif + +#ifdef __cplusplus +extern "C" { +#endif +/** + * @brief _Memory_management_Region Flags defs + */ +#define RTEMS_MM_REGION_PROTECTION_READ_ONLY 0x1 +#define RTEMS_MM_REGION_PROTECTION_WRITE 0x2 +//#define RTEMS_MM_REGION_PROTECTION_EXEC 0x4 + +/** + * @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; + +#ifdef RTEMS_SMP +SMP_lock_Control mm_lock; +#endif + +#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..07b1dd7 --- /dev/null +++ b/cpukit/score/inline/rtems/score/mm.inl @@ -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_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 ) +{ +#ifdef RTEMS_SMP + _SMP_lock_Initialize( &mm_lock ); +#endif + + _CPU_Memory_management_Initialize(); +} + +/** + * @brief Calls _CPU_Memory_management_Install_entry. + */ +RTEMS_INLINE_ROUTINE void _Memory_management_Install_entry( + Memory_management_Entry *mme, + uint32_t attr +) +{ +#ifdef RTEMS_SMP + _SMP_lock_Acquire( &mm_lock ); +#endif + + _CPU_Memory_management_Install_entry(mme, attr); + +#ifdef RTEMS_SMP + _SMP_lock_Release( &mm_lock ); +#endif +} + +/** + * @brief Calls _CPU_Memory_management_Uninstall_entry. + */ +RTEMS_INLINE_ROUTINE void _Memory_management_Uninstall_entry( + Memory_management_Entry *mme +) +{ +#ifdef RTEMS_SMP + _SMP_lock_Acquire( &mm_lock ); +#endif + + _CPU_Memory_management_Uninstall_entry(mme); + +#ifdef RTEMS_SMP + _SMP_lock_Release( &mm_lock ); +#endif + +} + +/** @}*/ + +#endif diff --git a/cpukit/score/preinstall.am b/cpukit/score/preinstall.am index dc84b21..100f090 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 @@ -298,6 +302,10 @@ $(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 -- 1.8.3.1 _______________________________________________ rtems-devel mailing list rtems-devel@rtems.org http://www.rtems.org/mailman/listinfo/rtems-devel
