Gregory Nutt
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bcfcb485b9
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Fixes some issues found by the PX4 team using Coverity. From Pavel Krienko
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2015-01-19 13:01:20 -06:00 |
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Gregory Nutt
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f28eff61ae
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More fixes to problems noted by cppcheck. Some are kind of risky; some are real bugs.
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2014-11-25 13:46:14 -06:00 |
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Gregory Nutt
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4f011a96cf
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If the INTR granule allocator mode is enabled, there is no
semaphore to destroy. From Lorenz Meier.
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2014-11-12 06:56:32 -06:00 |
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Gregory Nutt
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0d4dcd48de
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Fix a typo in a Kconfig file
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2014-09-27 16:11:48 -06:00 |
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Gregory Nutt
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afb3f6070f
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Move include/nuttx/mm.h to include/nuttx/mm/mm.h
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2014-09-24 07:29:09 -06:00 |
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Gregory Nutt
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b09d57f7fb
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Move include/nuttx/shm.h to include/nuttx/mm/shm.h
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2014-09-24 07:05:02 -06:00 |
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Gregory Nutt
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261eb94ddc
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Move include/nuttx/gran.h to include/nuttx/mm/gran.h
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2014-09-24 06:55:26 -06:00 |
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Gregory Nutt
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82e16433fc
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Completes the implemenation of the core shared memory logic: shmget(), shmctl(), shmat(), and shmdt(). This is still some unfinish platform-specific code that needs to be done before we can begin testing.
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2014-09-23 16:07:12 -06:00 |
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Gregory Nutt
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435906992e
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Remove executable mode
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2014-09-23 16:06:22 -06:00 |
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Gregory Nutt
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2d0f921c0d
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Add interfaces to support un-initializing a granule allocator.
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2014-09-23 16:05:32 -06:00 |
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Gregory Nutt
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bda6baf012
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Add support for a per-process virtual page allocator. This is a new member of the task_group_s structure. The allocaor must be initialized when a new user process is started and uninitialize when the process group is finally destroyed. It is used by shmat() and shmdt() to pick the virtual address onto which to map the shared physical memory.
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2014-09-23 16:04:39 -06:00 |
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Gregory Nutt
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f78a387b5c
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Cosmetic
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2014-09-23 16:03:52 -06:00 |
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Gregory Nutt
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9218ceb2a5
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Add interfaces to support un-initializing a granule allocator.
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2014-09-23 15:50:45 -06:00 |
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Gregory Nutt
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3edb44ada7
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Flesh out shmctl() logic
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2014-09-23 11:41:05 -06:00 |
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Gregory Nutt
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c163691f94
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Flesh out basic logic for shmget()
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2014-09-23 10:42:18 -06:00 |
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Gregory Nutt
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0ab7598b04
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Add shared memory initializatin logic
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2014-09-23 08:46:31 -06:00 |
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Gregory Nutt
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0f3f2d5095
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Add README files and configuration support for the shared memory logic
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2014-09-23 07:11:47 -06:00 |
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Gregory Nutt
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43563c78b8
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Add the build framework and skeleton files for the shared memory feature (no logic yet provided)
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2014-09-22 14:53:56 -06:00 |
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Gregory Nutt
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189c7ede6f
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Again I forget to add a file needed in a previous commit
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2014-09-22 10:59:00 -06:00 |
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Gregory Nutt
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5eeb577e1f
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Add a home for forthcoming shared memory logic
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2014-09-22 10:58:27 -06:00 |
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Gregory Nutt
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dd81d6c508
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Move core heap allocator logic from mm/. to mm/mm_heap/.
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2014-09-22 10:53:50 -06:00 |
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Gregory Nutt
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fcf6320a50
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Move the user heap allocator front-end from mm/. to mm/umm_heap/.
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2014-09-22 10:48:58 -06:00 |
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Gregory Nutt
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0d525d58bb
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Forgot to add a file in the last commit
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2014-09-22 10:43:46 -06:00 |
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Gregory Nutt
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19fa0bdcc2
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Move the kernel heap allocator front-end from mm/. to mm/kmm_heap/.
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2014-09-22 10:42:26 -06:00 |
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Gregory Nutt
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2f5f0694b8
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Move granuale allocator and page allocator from mm/. to mm/mm_gran/.
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2014-09-22 10:33:23 -06:00 |
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Gregory Nutt
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e6e9bf0ecc
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More changes so that the KNSH build survives the changes needed for the ELF build
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2014-09-16 15:55:21 -06:00 |
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Gregory Nutt
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e6416cf311
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First round of changes to get the ELF configuration building again
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2014-09-16 15:37:05 -06:00 |
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Gregory Nutt
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2e9c520277
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Fix a typo in use of a configuration setting
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2014-09-13 12:24:08 -06:00 |
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Gregory Nutt
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7b3a98b2ec
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Add logic to initialize the per-process user heap when each user process is started
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2014-09-10 15:55:36 -06:00 |
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Gregory Nutt
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4c448bf322
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Granule allocator initialization uses wrong allocator to setting aside kernel memory
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2014-09-03 13:46:05 -06:00 |
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Gregory Nutt
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021cf46544
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I love/hate conditional compilation
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2014-09-03 11:43:23 -06:00 |
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Gregory Nutt
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08295bf524
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Fix several compile errors for logic added for CONFIG_BUILD_KERNEL, but which cause problems for other configurations
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2014-09-03 09:21:59 -06:00 |
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Gregory Nutt
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a608530a1a
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Add support for delivery of use-mode signals in the kernel build.
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2014-09-02 15:58:14 -06:00 |
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Gregory Nutt
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70364682c1
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Restructuring of build to allow use of use-space allocators by kernel logic in the kernel build.
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2014-09-02 11:22:09 -06:00 |
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Gregory Nutt
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0c224f7e3d
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Space at the beginning of the process data space is now reserved for user heap management structures. In the kernel build mode, these heap structures are shared between the kernel and use code in order to allocate user-specific data.
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2014-09-02 11:21:23 -06:00 |
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Gregory Nutt
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f86563aa4b
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sbrk() need to initialized the memory manager on the first call
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2014-09-02 08:05:11 -06:00 |
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Gregory Nutt
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f23b744ac0
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Completes the implementation of sbrk() (untested)
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2014-09-01 10:46:51 -06:00 |
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Gregory Nutt
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91bffa9cb1
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Initial implementatino of sbrk()
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2014-09-01 07:37:54 -06:00 |
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Gregory Nutt
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f8d20db23e
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Reanem kzalloc to kmm_zalloc for consistency
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2014-08-31 17:34:44 -06:00 |
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Gregory Nutt
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39c90ce1ce
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Rename kmalloc to kmm_malloc for consistency
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2014-08-31 17:26:36 -06:00 |
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Gregory Nutt
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7482b7ad0f
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Rename kfree to kmm_free for consistency with other naming conventions
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2014-08-31 17:04:02 -06:00 |
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Gregory Nutt
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81baf55fd8
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Rename kmemalign to kmm_memalign and krealloc to kmm_realooc for consistency with other naming
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2014-08-31 15:27:37 -06:00 |
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Gregory Nutt
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bdf39bd497
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Rename kmemalign to kmm_memalign for consitency with other naming
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2014-08-31 14:57:31 -06:00 |
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Gregory Nutt
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aadd8ebfc6
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Add low-level memory management hooks that will be needed to support brk() and sbrk()
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2014-08-31 14:42:45 -06:00 |
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Gregory Nutt
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085bc3e78c
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mm: Break up mm_user.c and mm_kernel.c into separate files for better symmetry
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2014-08-31 11:46:47 -06:00 |
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Gregory Nutt
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d646bcf4f5
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Remove CONFIG_MM_MULTIHEAP. Non-multiheap operation is no longer supported
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2014-08-31 10:54:55 -06:00 |
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Gregory Nutt
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2a8958c4ef
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Need to condition out standard allocators in kernel build. More to be done
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2014-08-31 08:10:15 -06:00 |
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Gregory Nutt
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64892e44f2
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Rename CONFIG_NUTTX_KERNEL to CONFIG_BUILD_PROTECTED; Partially integrate new CONFIG_BUILD_KERNEL
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2014-08-29 14:47:22 -06:00 |
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Gregory Nutt
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f42160a090
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Bugfixes.. still integrating SAMA5 ELF with address environment
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2014-08-25 15:27:58 -06:00 |
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Gregory Nutt
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28928fed5e
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Cortex-A/SAMA5 address environment support is code complete (untested)
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2014-08-25 11:18:32 -06:00 |