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c9f8bb0201a3ae37a620df2bbae12ab5ffaadfae
Commit Graph

74 Commits

Author SHA1 Message Date
NAKAMURA Gou
c9f8bb0201 mmap: support device mapping (in progress) refs #218 2014-09-17 19:52:00 +09:00
NAKAMURA Gou
fdb86115a8 add pager requests for device mapping 
- PAGER_REQ_MAP
  map specified file, and create a private device pager.
- PAGER_REQ_UNMAP
  destroy specified private device pager, and unmap related mapping.
- PAGER_REQ_PFN
  report a physical address.
 2014-09-17 19:48:00 +09:00
NAKAMURA Gou
7dfa88ae6b SC_DEBUG 時のエラーを消した 2014-09-17 19:46:54 +09:00
Naoki Hamada
d7436652bf procfs: add support for <pid>/mem files and ad hoc fix for memory incoherency. 2014-09-17 15:49:47 +09:00
Naoki Hamada
2a0e9c689f Fixed mckernel procfs so that the host kernel does not complain about leaking. 2014-09-11 15:25:52 +09:00
Balazs Gerofi bgerofi@riken.jp
ac40b96c24 execve(): support for ETXTBSY via a new ioctl() call to test in kernel space with open_exec() 2014-09-10 14:09:11 +09:00
Naoki Hamada
efc817de92 Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-09-05 17:20:50 +09:00
Naoki Hamada
a06e5eb47e Bug fixes. 2014-09-05 16:20:15 +09:00
Naoki Hamada
12ef361436 Removed unneeded variable. 2014-09-04 15:04:22 +09:00
Naoki Hamada
0f95a84293 Migrated. 2014-09-04 14:58:04 +09:00
Naoki Hamada
319590910a Almost implemented. 2014-09-03 15:20:39 +09:00
Tomoki Shirasawa
308987c1ee infrequent fail LTP pipe02 2014-09-03 15:17:44 +09:00
NAKAMURA Gou
4177f1c9cd TODO: get_page()ed pages have to be put_page()ed 
The pages which get_page() has been called with should be recorded.
Because these pages have to be passed to put_page()
before they are freed.
 2014-09-02 15:43:10 +09:00
NAKAMURA Gou
431adf7e7c mcctrl: report success when __NR_munmap succeeds 2014-09-02 15:43:07 +09:00
Naoki Hamada
650088774d Fix for typo. 2014-08-28 15:02:59 +09:00
Naoki Hamada
6245a8eb63 Aesthetical changes. 2014-08-28 15:02:10 +09:00
Naoki Hamada
34c4dd8d77 Separated procfs functions for mcctrl. 2014-08-28 15:00:39 +09:00
Naoki Hamada
3293bfaa1e Fix for generalization. 2014-08-28 14:41:32 +09:00
Naoki Hamada
ca1bf7b7fa Remove debug error. 2014-08-28 09:16:50 +09:00
Naoki Hamada
cb4b00ba97 Added debug messages. 2014-08-28 09:16:50 +09:00
Naoki Hamada
c783ec8e11 Implemented procfs. 2014-08-28 09:16:50 +09:00
Naoki Hamada
5775d3e6da Preliminary implementation for procfs. 2014-08-28 09:16:50 +09:00
NAKAMURA Gou
8c1c8a40d1 use madvise() when zap_vma_ptes() fails 2014-08-07 17:53:26 +09:00
NAKAMURA Gou
b4910ec33f use vm_insert_page() if 'struct page' exists 2014-08-07 17:53:26 +09:00
NAKAMURA Gou
fe39d56554 use mixed mapping instead of PFN mapping 2014-08-07 17:53:26 +09:00
NAKAMURA Gou
a79a0a618d drop VM_IO because it's not MMIO 2014-08-07 17:53:26 +09:00
Naoki Hamada
b58682dd73 Merge branch 'master' of postpeta.pccluster.org:mckernel into gdb 2014-07-31 10:31:45 +09:00
Tomoki Shirasawa
17730617e1 when wakeup for syscall and recieve signal occur in the same timing, a program is freezed. 2014-07-25 10:54:30 +09:00
Tomoki Shirasawa
10190e9ed6 prepare for a condition variable for each process. (Redmine#193) 2014-07-25 09:17:43 +09:00
Naoki Hamada
01f52e73e1 Clarification. 2014-07-23 14:06:59 +09:00
Naoki Hamada
dbdaf0ed32 Fix for demand paging and documentation. 2014-07-23 10:23:02 +09:00
Naoki Hamada
cb61739c2b Deleted debug flags & al. 2014-07-18 15:45:40 +09:00
Naoki Hamada
3e8083efc1 Prepare for a core file image. 2014-07-17 15:19:25 +09:00
Naoki Hamada
cb9d346567 Fixed wrong %x to %lx. 2014-07-11 18:48:15 +09:00
Naoki Hamada
ed9da789e6 Created gencore() and minor aestetical changes. 
modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-02 16:23:32 +09:00
Naoki Hamada
fd6f0c4075 Bookkeeping for error. 
modified:   syscall.c
 2014-07-02 14:00:46 +09:00
Naoki Hamada
4f1b3f22ef Working code for infrastructure. 
modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-02 12:39:08 +09:00
Naoki Hamada
b3c7676425 Minor change. 
modified:   syscall.c
 2014-07-01 19:03:50 +09:00
Naoki Hamada
53a80e0720 Experimental implementation of map & write. 
Data is still dummy.
Not even compiled.
	modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-01 16:50:25 +09:00
Naoki Hamada
83ced89fa3 Initial commit for core dump. 
We can create a dummy core file when gpe occurs.
	modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-01 16:03:11 +09:00
Tomoki Shirasawa
2f4f3628f9 support tgkill 2014-06-10 10:42:29 +09:00
Balazs Gerofi bgerofi@riken.jp
84c18ef38e MCEXEC_UP_TRANSFER: generalize MCEXEC_UP_LOAD_IMAGE ioctl() to allow transfer in both directions 2014-05-22 12:42:23 +09:00
bgerofi@riken.jp
22d9d6d3a6 use dprintk() for per process data structure debug messages 2014-05-19 12:49:36 +09:00
bgerofi@riken.jp
81a78be20a clean up per process structure in exit_group() and fix wait4() on self bug 2014-05-19 12:49:36 +09:00
Balazs Gerofi bgerofi@riken.jp
426c67861c introduction of mcctrl_per_process data to keep track remote page tables on a per-process basis 2014-05-13 00:22:56 +09:00
Balazs Gerofi bgerofi@riken.jp
cf442e6a14 fork(): preliminary version (no wait()/waitpid() support yet) 2014-04-02 14:07:38 +09:00
Balazs Gerofi bgerofi@riken.jp
b01b31f04d use GFP_ATOMIC in interrupt context 2014-03-28 18:43:34 +09:00
Balazs Gerofi bgerofi@riken.jp
ccd770ba24 use per-process wait queues for system call request processing in mcexec so that multiple processes can share the per-core system call channels 2014-03-27 19:31:42 +09:00
NAKAMURA Gou
afc38718a0 add MCEXEC_UP_STRNCPY_FROM_USER 
It allows a mcexec to execute the strncpy_from_user().
 2014-01-14 18:50:19 +09:00
Tomoki Shirasawa
e5890aa949 typo fix 2013-11-14 16:27:11 +09:00