 Gregory Nutt
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bb623d1e04
This commit renames all internal OS functions defined under sched/task so that they begin with the prefix. For example, nxtask_exit() vs. task_exit().
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5 years ago |
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Gregory Nutt
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78c8485b0d
Fix some warnings found in build testing.
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5 years ago |
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Xiang Xiao
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b7f958a02e
binfmt/, binfmt/libelf: binfmt/elf: Call umm_initialize as soon as possible otherwise elf_loadctors/elf_loaddtors will fail to allocate memory.
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5 years ago |
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Gregory Nutt
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20a86dfc1b
binfmt/ and sched/group: Re-architect the way that loadable ELF or NXFLAT modules are unloaded. Memory resources must be recovered when the task loaded into memory exits. The originmal implementatino used the death-of-child SIGCHLD signal to perform the unload. There are several problems with this: It is overly complex, it requires that the parent task stay resident while the loaded task runs, and it has fatal logic flaws in the protected and kernel model builds because the user signal handler attempts to run in the kernel address space. This commit corrects with using a mindlessly simply BINFMT callback when the task exits.
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6 years ago |
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Gregory Nutt
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bc2cded397
Squashed commit of the following:
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7 years ago |
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Gregory Nutt
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374f1bd46c
binfmt: Don't schedule starthook if there are no constructors.
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7 years ago |
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Gregory Nutt
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a1469a3e95
Add CONFIG_DEBUG_ERROR. Change names of *dbg() * *err()
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8 years ago |
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Gregory Nutt
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86b79b33cf
Reserver the name 'err' for other purposes
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8 years ago |
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Gregory Nutt
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1cdc746726
Rename CONFIG_DEBUG to CONFIG_DEBUG_FEATURES
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8 years ago |
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Gregory Nutt
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fc3540cffe
Replace all occurrences of vdbg with vinfo
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8 years ago |
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Gregory Nutt
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4a7fb2cbc1
binfmt: Cosmetic -- rename binfmt_internal.h to binfmt.h. Move related argument copy logic into new file, binfmt_copyargv.c
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9 years ago |
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Gregory Nutt
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45eebacbb4
binfmt/: More spacing/alignment fixes
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9 years ago |
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Gregory Nutt
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b33c2d9cef
Move include/nuttx/mm.h to include/nuttx/mm/mm.h
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10 years ago |
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Gregory Nutt
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1863370672
Move include/nuttx/shm.h to include/nuttx/mm/shm.h
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10 years ago |
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Gregory Nutt
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2fa7431ee7
Move include/nuttx/gran.h to include/nuttx/mm/gran.h
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10 years ago |
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Gregory Nutt
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835c91b03a
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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10 years ago |
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Gregory Nutt
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398f7b594f
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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10 years ago |
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Gregory Nutt
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62880f60c4
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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10 years ago |
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Gregory Nutt
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2eb71d5a35
Fix an ordering problem in integration of kernel stack logic
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10 years ago |
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Gregory Nutt
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3649dab9bd
Initial integration of kernel stack (does not work)
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10 years ago |
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Gregory Nutt
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0fc55d042f
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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10 years ago |
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Gregory Nutt
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205c23b9d6
Add logic to initialize the per-process user heap when each user process is started
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10 years ago |
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Gregory Nutt
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df4682fd1f
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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10 years ago |
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Gregory Nutt
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76957599a2
When allocating a stack for a new process using the user-sapce allocator, need to select the address environment first
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10 years ago |
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Gregory Nutt
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23147c40a5
Remove final traces of the 8015 from the NuttX source tree
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10 years ago |
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Gregory Nutt
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205260d5e2
Reanem kzalloc to kmm_zalloc for consistency
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10 years ago |
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Gregory Nutt
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54fa3b0b59
Rename kfree to kmm_free for consistency with other naming conventions
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10 years ago |
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Gregory Nutt
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9aca0c1c84
Rename kumalloc to kumm_malloc and kuzalloc to kumm_zalloc for consistency with other naming
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10 years ago |
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Gregory Nutt
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9ad7dae4c1
Rename kufree to kumm_free for consistency with other naming
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10 years ago |
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Gregory Nutt
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89593969be
nuttx/sched: Remove explicit references to errno. That is a problem from within the kernel for certain configurations
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10 years ago |
