Gregory Nutt
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79fa2a7b09
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ARMv7-A: Modify up_fullcontextrestore() for CONFIG_BUILD_KERNEL. It changed CPSR while in kernel. That will crash is the new CPSR is user mode while executing in kernel space. Fixed by adding a SYS_context_restore system call. There is an alternative, simpler modification to up_fullcontextrestore() that could have been done: It might have been possible to use the SPSR instead of the CPRSR and then do an exception return from up_fullcontextrestore(). That would be more efficient, but I never tried it.
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2014-09-12 08:04:27 -06:00 |
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Gregory Nutt
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fba35f0c41
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ARMv7-A: Modify up_fullcontextrestore() for CONFIG_BUILD_KERNEL. It changed CPSR while in kernel. That will crash is the new CPSR is user mode while executing in kernel space. Fixed by adding a SYS_context_restore system call. There is an alternative, simpler modification to up_fullcontextrestore() that could have been done: It might have been possible to use the SPSR instead of the CPRSR and then do an exception return from up_fullcontextrestore(). That would be more efficient, but I never tried it.
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2014-09-12 08:04:27 -06:00 |
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Gregory Nutt
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f8170550e1
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ARMv7-A: Modify up_fullcontextrestore() for CONFIG_BUILD_KERNEL. It changed CPSR while in kernel. That will crash is the new CPSR is user mode while executing in kernel space. Fixed by adding a SYS_context_restore system call. There is an alternative, simpler modification to up_fullcontextrestore() that could have been done: It might have been possible to use the SPSR instead of the CPRSR and then do an exception return from up_fullcontextrestore(). That would be more efficient, but I never tried it.
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2014-09-12 08:04:27 -06:00 |
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Gregory Nutt
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5a96bc37e4
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Update ChangeLog
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2014-09-11 18:45:50 -06:00 |
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Gregory Nutt
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6084fad7e0
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Fix logic for returning from exceptions to user-mode contexts
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2014-09-11 18:43:30 -06:00 |
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Gregory Nutt
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814ac67f62
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Fix logic for returning from exceptions to user-mode contexts
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2014-09-11 18:43:30 -06:00 |
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Gregory Nutt
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62e608be8c
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All tasks, even user mode tasks, must start in supervisor mode until they get past the start-up trampoline
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2014-09-11 18:42:52 -06:00 |
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Gregory Nutt
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bb7b5f3490
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All tasks, even user mode tasks, must start in supervisor mode until they get past the start-up trampoline
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2014-09-11 18:42:52 -06:00 |
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Gregory Nutt
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4821587509
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Update some comments/function headers
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2014-09-11 17:15:26 -06:00 |
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Gregory Nutt
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67838239c4
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Update some comments/function headers
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2014-09-11 17:15:26 -06:00 |
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Gregory Nutt
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ba7d5acf94
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Fix a couple more places where the wrong allocator is being used
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2014-09-11 15:56:04 -06:00 |
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Gregory Nutt
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401b8543cd
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Tighten up some ARM assembly language. You can always do better
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2014-09-11 15:12:08 -06:00 |
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Gregory Nutt
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8f2e9bcfdf
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Tighten up some ARM assembly language. You can always do better
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2014-09-11 15:12:08 -06:00 |
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Gregory Nutt
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4f4d1daa9b
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Update ChangeLog
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2014-09-11 14:47:22 -06:00 |
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Gregory Nutt
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e7fc0a315e
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Add LED support for the CC3200 Launchpad. From Jim Ewing
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2014-09-11 14:45:20 -06:00 |
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Gregory Nutt
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9e990b4cbe
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Add LED support for the CC3200 Launchpad. From Jim Ewing
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2014-09-11 14:45:20 -06:00 |
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Gregory Nutt
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47b1d64d9f
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Update ChangeLog
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2014-09-11 14:35:52 -06:00 |
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Gregory Nutt
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bd7f16d16a
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ARMv7-A: Exception register save/restore needs to work a little differently if we support user mode processes
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2014-09-11 14:34:10 -06:00 |
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Gregory Nutt
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57d78ddd93
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ARMv7-A: Exception register save/restore needs to work a little differently if we support user mode processes
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2014-09-11 14:34:10 -06:00 |
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Gregory Nutt
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998c5ee0a9
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Trivial kernel build related fixes for consistency
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2014-09-11 12:35:23 -06:00 |
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Gregory Nutt
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17e798993d
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Trivial kernel build related fixes for consistency
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2014-09-11 12:35:23 -06:00 |
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Gregory Nutt
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5527e0df9f
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Misc fixes to repair some of the breakage to the SAMA5D4-EK elf configuration caused by changes for the knsh configuration
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2014-09-11 10:31:12 -06:00 |
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Gregory Nutt
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1f23ad9bad
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Misc fixes to repair some of the breakage to the SAMA5D4-EK elf configuration caused by changes for the knsh configuration
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2014-09-11 10:31:12 -06:00 |
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Gregory Nutt
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0fc55d042f
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Misc fixes to repair some of the breakage to the SAMA5D4-EK elf configuration caused by changes for the knsh configuration
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2014-09-11 10:31:12 -06:00 |
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Gregory Nutt
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a20e584dab
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Update ChangeLog
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2014-09-11 10:30:21 -06:00 |
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Gregory Nutt
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442d2adb7a
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Fix for UART7 and UART8 on STM32 clock enable from Aton
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2014-09-11 10:27:40 -06:00 |
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Gregory Nutt
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8d9df11ca2
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Fix for UART7 and UART8 on STM32 clock enable from Aton
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2014-09-11 10:27:40 -06:00 |
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Gregory Nutt
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5620909005
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Update ChangeLog
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2014-09-11 09:03:46 -06:00 |
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Gregory Nutt
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e327840ae2
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When a privileged thread exits, we have to use the kernel alloctor to free memory; when an unprivileged thread exits, we don't have to do anything... heap memory will be cleaned up when the address environment is torn down
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2014-09-11 09:00:10 -06:00 |
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Gregory Nutt
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fc35e35165
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When a privileged thread exits, we have to use the kernel alloctor to free memory; when an unprivileged thread exits, we don't have to do anything... heap memory will be cleaned up when the address environment is torn down
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2014-09-11 09:00:10 -06:00 |
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Gregory Nutt
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44499ed46c
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Rename some functions and reshuffling some paramters
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2014-09-11 08:37:06 -06:00 |
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Gregory Nutt
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53438bcb1e
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Refresh NTOSD configurations. Fix some minor bit rot build issues
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2014-09-11 07:44:16 -06:00 |
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Gregory Nutt
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a0c22020be
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Refresh NTOSD configurations. Fix some minor bit rot build issues
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2014-09-11 07:44:16 -06:00 |
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Gregory Nutt
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81a4de4a4d
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Kconfig choice value needs a prompt
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2014-09-11 07:18:33 -06:00 |
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Gregory Nutt
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371f0f182b
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Fix some minor issues with the exampls/udp Makefile
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2014-09-10 19:49:55 -06:00 |
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Gregory Nutt
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0614f69b72
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Fix some minor issues with the exampls/udp Makefile
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2014-09-10 19:49:55 -06:00 |
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Gregory Nutt
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4a20cd65c5
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clock_gettime.c: Fix a cornercase bug in clock_gettime()
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2014-09-10 17:10:54 -06:00 |
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Gregory Nutt
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bb9e709c55
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Update ChangeLog
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2014-09-10 16:39:12 -06:00 |
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Gregory Nutt
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c19659d7d2
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Fixes to clock bias logic. Remove vestiges of g_tickbias; apply bias instead to g_basetime
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2014-09-10 16:36:25 -06:00 |
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Gregory Nutt
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c99c9ccb03
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Update ChangeLog
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2014-09-10 15:59:38 -06:00 |
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Gregory Nutt
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c3c4c48d3e
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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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006cf7d745
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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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205c23b9d6
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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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0ee23991fd
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Update ChangeLog
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2014-09-10 08:46:40 -06:00 |
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Gregory Nutt
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663b145789
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SAMA5D4-EK: These configurations now use the fixed DRAM mapping for manipulating the page memory pool.
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2014-09-10 08:44:09 -06:00 |
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Gregory Nutt
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2da0392ae2
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SAMA5D4-EK: These configurations now use the fixed DRAM mapping for manipulating the page memory pool.
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2014-09-10 08:44:09 -06:00 |
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Gregory Nutt
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9a5640b542
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SAMA5D4-EK: These configurations now use the fixed DRAM mapping for manipulating the page memory pool.
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2014-09-10 08:44:09 -06:00 |
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Gregory Nutt
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6238e87aaa
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Add configuration to use the fixed DRAM mapping for the page pool (if available) instead of remapping dynamically to access L2 page tables and page data. Also, add logic in address environment creation to initialize the shared data at the beginning of the .bss/.data process memory region.
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2014-09-10 08:41:01 -06:00 |
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Gregory Nutt
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df4682fd1f
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Add configuration to use the fixed DRAM mapping for the page pool (if available) instead of remapping dynamically to access L2 page tables and page data. Also, add logic in address environment creation to initialize the shared data at the beginning of the .bss/.data process memory region.
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2014-09-10 08:41:01 -06:00 |
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Gregory Nutt
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f05031311b
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pcDuino: Several fixes so that it still builds after other Cortex-A changes.
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2014-09-10 06:24:39 -06:00 |
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