Gregory Nutt
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7ac0a7a4ec
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Fix a typo in system call when fetching parameter from the stack: regs[REG_PC]+4 is the address, not regs[REG_PC+4]
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2014-09-15 10:55:10 -06:00 |
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Gregory Nutt
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01121736bd
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Update ChangeLog
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2014-09-15 10:19:58 -06:00 |
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Gregory Nutt
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31824f5b53
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execl() is not a system interface. It belongs in libc and should not have a system call associated with it.
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2014-09-15 10:17:04 -06:00 |
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Gregory Nutt
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a5e30ac4a1
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execv() is a basic system interface. It should not be in libc/ but rather in sched/task. Its symboltable helper logic also belongs in the kernel but belings in binfmt/ with the other symbol table logic
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2014-09-15 10:16:20 -06:00 |
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Gregory Nutt
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398f7b594f
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execv() is a basic system interface. It should not be in libc/ but rather in sched/task. Its symboltable helper logic also belongs in the kernel but belings in binfmt/ with the other symbol table logic
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2014-09-15 10:15:47 -06:00 |
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Gregory Nutt
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da7a440b35
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execv() is a basic system interface. It should not be in libc/ but rather in sched/task. Its symboltable helper logic also belongs in the kernel but belings in binfmt/ with the other symbol table logic
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2014-09-15 10:15:19 -06:00 |
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Gregory Nutt
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62880f60c4
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In kernel mode, we have to duplicate the callers argv[] buffer when exec'ing new tasks. When the argv[] buffer is needed, the caller's address environment will not longer be in place
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2014-09-14 14:10:23 -06:00 |
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Gregory Nutt
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2eb71d5a35
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Fix an ordering problem in integration of kernel stack logic
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2014-09-14 12:40:09 -06:00 |
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Gregory Nutt
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3649dab9bd
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Initial integration of kernel stack (does not work)
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2014-09-14 11:19:34 -06:00 |
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Gregory Nutt
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25ee232fd4
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Update ChangeLog
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2014-09-14 09:54:46 -06:00 |
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Gregory Nutt
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de4956a2cd
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Add the initial implementation of the process kernel stack logic. Not yet integrated into the main OS logic nor tested.
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2014-09-14 09:53:54 -06:00 |
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Gregory Nutt
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a912089099
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Update ChangeLog
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2014-09-14 09:12:37 -06:00 |
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Gregory Nutt
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b255883b0a
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Rename everything associated with the dynamic process stack to ustack to make room in the name space for a kstack
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2014-09-14 09:10:09 -06:00 |
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Gregory Nutt
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c71aabc6b2
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Update ChangeLogs
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2014-09-14 08:28:15 -06:00 |
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Gregory Nutt
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e12213592b
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Don't build task_create() or task_spawn() interfaces if there is an addres environment
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2014-09-14 08:22:21 -06:00 |
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Gregory Nutt
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eae146d641
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Kernel proxy thread should be a kernel thread, not a user task
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2014-09-14 08:20:40 -06:00 |
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Gregory Nutt
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beb3238f36
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Update README, TODO, and make some unfinished configuration options dependent on EXPERIMENTAL
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2014-09-13 15:45:26 -06:00 |
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Gregory Nutt
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e6b3b9a40b
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Update porting guide to include stack address environment functions
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2014-09-13 14:31:41 -06:00 |
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Gregory Nutt
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945196e064
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Update ChangeLog
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2014-09-13 13:47:24 -06:00 |
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Gregory Nutt
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6e48516a31
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Add logic need to manage a virtualized stack. Not yet incorporated into base OS logic.
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2014-09-13 13:45:35 -06:00 |
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Gregory Nutt
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d92b98870a
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Update ChangeLog
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2014-09-13 13:20:27 -06:00 |
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Gregory Nutt
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f965ca1fed
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Move static helper routines from arm_addrenv.c and may them global so that they can be shared both forthcoming stack address environment logic.
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2014-09-13 13:17:44 -06:00 |
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Gregory Nutt
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5db6d0b6f9
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Update ChangeLog
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2014-09-13 12:29:09 -06:00 |
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Gregory Nutt
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ed9fced470
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Add a configuration option for dynamic stack management
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2014-09-13 12:25:32 -06:00 |
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Gregory Nutt
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047eda6159
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Add STM32F4DIS-BB GPIO pin usage
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2014-09-13 12:25:01 -06:00 |
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Gregory Nutt
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8993910427
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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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560007ab2f
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Update ChangeLog
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2014-09-13 08:41:40 -06:00 |
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Gregory Nutt
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b7f867ef1e
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Add the network enabled NSH configuration for the STM32F4Discovery board with the STM32F4DIS-BB base board
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2014-09-13 08:37:07 -06:00 |
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Gregory Nutt
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70c33928d8
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Add STM32F4Discovery configuration with the STM32F4DIS-BB base board
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2014-09-13 07:28:14 -06:00 |
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Gregory Nutt
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87031fd3a4
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Update TODO list and README
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2014-09-13 06:10:23 -06:00 |
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Gregory Nutt
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63f8adbbb5
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Update ChangeLog
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2014-09-12 17:35:47 -06:00 |
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Gregory Nutt
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90fbba0a40
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Fix types in SYScall stub look-up table
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2014-09-12 17:35:04 -06:00 |
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Gregory Nutt
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9d13fa57ed
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Fix more errors associated with posix_spawn system calls
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2014-09-12 17:09:18 -06:00 |
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Gregory Nutt
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1f3db86106
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Fix one more dependency upon having a symbol table
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2014-09-12 13:03:10 -06:00 |
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Gregory Nutt
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c1e8021335
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Update ChangeLog
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2014-09-12 12:51:06 -06:00 |
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Gregory Nutt
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8f30804e05
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Having a symbol table is an option. There are no symbol tables with CONFIG_BUILD_KERNEL, for example.
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2014-09-12 12:48:22 -06:00 |
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Gregory Nutt
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282fe4aa10
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exevc, execvl, posix_spawn, and posix_spawnp were not properly integrated as system calls.
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2014-09-12 12:47:20 -06:00 |
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Gregory Nutt
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4660e0e7f8
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Enable NSH file applications in thise configureation
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2014-09-12 12:46:06 -06:00 |
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Gregory Nutt
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6295203a82
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Cosmetic changes
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2014-09-12 12:44:03 -06:00 |
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Gregory Nutt
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4ee47eca8e
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Update ChangeLog
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2014-09-12 10:34:12 -06:00 |
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Gregory Nutt
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1329c29ecd
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ELF: Critical bugfix.. BSS was not being cleared
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2014-09-12 10:32:23 -06:00 |
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Gregory Nutt
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e411e8aa3f
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Comsetic updates to comments, debug output
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2014-09-12 10:31:58 -06:00 |
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Gregory Nutt
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3fa0f7ed83
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Update ChangeLog
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2014-09-12 08:06:49 -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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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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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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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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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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