--- 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 + +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
