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31 Commits

Author SHA1 Message Date
Ville Juven
f4b82b6405 sched/addrenv: Remove up_addrenv_restore 
The function is not relevant any longer, remove it. Also remove
save_addrenv_t, the parameter taken by up_addrenv_restore.

Implement addrenv_select() / addrenv_restore() to handle the temporary
instantiation of address environments, e.g. when a process is being
created.
 2023-02-08 02:51:23 +08:00
Ville Juven
5713d85df0 group/group_addrenv: Move address environment from group -> tcb 
Detach the address environment handling from the group structure to the
tcb. This is preparation to fix rare cases where the system (MMU) is left
without a valid page directory, e.g. when a process exits.
 2023-02-08 02:51:23 +08:00
Ville Juven
42d0e356c2 arch/addrenv: Change group_addrenv_t to arch_addrenv_t 
This is preparation for moving address environments out of the group
structure into the tcb.

Why move ? Because the group is destroyed very early in the exit phase,
but the MMU mappings are needed until the context switch to the next
process is complete. Otherwise the MMU will lose its mappings and the
system will crash.
 2023-01-27 23:17:01 +08:00
Jukka Laitinen
70de321de3 arch/Kconfig: remove virtual memory allocator dependency from MM_SHM 
The dependency should be vice versa; the MM_SHM should depend on the
existence of the virtual memory range allocator.

Create a new CONFIG flag CONFIG_ARCH_VMA_MAPPING, which will define that
there is a virtual memory range allocator. Make MM_SHM select that flag

Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
 2023-01-13 02:20:13 +08:00
chao an
c07d076bf5 arch/arm: redefine the linker symbols as armlink style 
Signed-off-by: chao an <anchao@xiaomi.com>
 2022-09-23 22:28:07 +08:00
Xiang Xiao
3d1ce144df arch: Move up_getsp from arch.h to irq.h 
since all other special register operation in irq.h

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-07-01 10:44:55 -03:00
Xiang Xiao
7c5b2e3305 arch/arm: Remove FAR and CODE from common/ and arm*/ folder 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-04-19 00:23:59 +03:00
wangbowen6
91d02f5db8 arm/arch: using __builtin_frame_address(0) implement up_getsp(). 
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
 2022-04-18 00:49:15 +08:00
Xiang Xiao
6576306bca arch: Rename xxx_getsp to up_getsp 
All modern desgin support stack pointer and it's also an
important information, so let's standardize this interface.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2021-06-09 10:20:02 -07:00
Alin Jerpelea
c39339a7a8 arch: arm: include: nxstyle fixes 
nxstyle fixes to pass CI

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
 2021-03-22 19:28:38 -07:00
Alin Jerpelea
4daa276903 arch: arm: include: Author Gregory Nutt: update licenses to Apache 
Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
 2021-03-22 19:28:38 -07:00
Xiang Xiao
05f6445493 arch: Move *_getsp to the common place arch/arch.h 
so other place can get the stack pointer easily

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2020-07-09 13:51:09 +01:00
Nathan Hartman
679b4fbee2 arch: Fix included directed -> included directly 
This typo had been copied and pasted into numerous irq and syscall
headers.
 2020-04-05 22:31:15 +01:00
Gregory Nutt
36726b1bc4 Standardize the width of all comment boxes in header files 2015-10-02 17:42:29 -06:00
Gregory Nutt
29136e51cc Clean up and review of header files for conformance to standards 2015-06-12 19:26:01 -06:00
Gregory Nutt
df26163f1f Add logic necessary to handler remapping of shared memory on contex switches 2014-09-23 13:19:30 -06:00
Gregory Nutt
f4bcb27962 Add a configuration option for dynamic stack management 2014-09-13 12:25:32 -06:00
Gregory Nutt
1f23ad9bad Misc fixes to repair some of the breakage to the SAMA5D4-EK elf configuration caused by changes for the knsh configuration 2014-09-11 10:31:12 -06:00
Gregory Nutt
006cf7d745 Add logic to initialize the per-process user heap when each user process is started 2014-09-10 15:55:36 -06:00
Gregory Nutt
587520a7d2 Completes the implementation of sbrk() (untested) 2014-09-01 10:46:51 -06:00
Gregory Nutt
cb8e081dba Mostly cosmetic use of uintptr_t to hold addresses instead of uint32_t 2014-08-26 10:44:10 -06:00
Gregory Nutt
699a54a022 Misc changed to get the SAMA5 ELF configuration with address environments working 2014-08-25 13:28:13 -06:00
Gregory Nutt
8907616478 Cortex-A/SAMA5 address environment support is code complete (untested) 2014-08-25 11:18:32 -06:00
Gregory Nutt
95c79c675c Add addrenv.h; First cut at Cortex-A address environment structures; Add configuration options to setup address enviornment 2014-08-24 09:57:53 -06:00
patacongo
36df84c843 Email address change in nuttx/ 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5145 42af7a65-404d-4744-a932-0658087f49c3
 2012-09-13 18:32:24 +00:00
patacongo
c23f8334c8 Changing NuttX fixed size type names to C99 standard names -- things will be broken for awhile 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2359 42af7a65-404d-4744-a932-0658087f49c3
 2009-12-16 20:05:51 +00:00
patacongo
c268f1e71d RIDE uses pre-built NuttX start file 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2121 42af7a65-404d-4744-a932-0658087f49c3
 2009-10-04 18:22:50 +00:00
patacongo
996ac31d58 Straighten out conditional compilation 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1896 42af7a65-404d-4744-a932-0658087f49c3
 2009-06-17 21:15:31 +00:00
patacongo
8029ac52a7 cosmetic 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1138 42af7a65-404d-4744-a932-0658087f49c3
 2008-11-06 16:21:23 +00:00
patacongo
c8e8880d60 More z8 compilation changes 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@671 42af7a65-404d-4744-a932-0658087f49c3
 2008-02-12 14:37:55 +00:00
patacongo
770f37aa0d Common ARM support 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@187 42af7a65-404d-4744-a932-0658087f49c3
 2007-04-28 19:39:18 +00:00