fa29c34995
expand the size of kstack 12 KiB
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When a procfs file belonging to a process which was in PS_TRACED status
was accessed, calling kprintf() from process_procfs_request() caused
stack overrun, and x86_cpu_local_variables was destroyed.
2015-03-05 20:30:33 +09:00
bf12a5c45e
Introduction of write-combined memory type mappings.
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Introduction of VR_WRITE_COMBINED, PTATTR_WRITE_COMBINED and modification
to the memobj's get_page() interface so that Linux communicates back mapping
flags (such as write-combined).
2015-03-05 16:03:21 +09:00
ea5681232e
x86 Page Attribute Table (PAT) MSR support.
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Reconfigure PAT to permit write-combining memory type to be assigned
on a page-by-page basis. Changes PWT and PCD bit combinations in page
table entries so that they correspond to the following format:
PAT
|PCD
||PWT
|||
000 WB Write Back (WB)
001 WC Write Combining (WC)
010 UC- Uncached (UC-)
011 UC Uncacheable (UC)
2015-03-05 16:03:20 +09:00
e6011be1af
create area for to save fp regs
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refs #421
2015-03-05 12:18:46 +09:00
2eac58aab3
add patch_process_vm(). (in progress)
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This function patches specified range of specified user space even if
the range is not writable.
refs #401
2015-03-04 12:00:51 +09:00
22d8d169b6
change copy-out routines
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- restrict copy_to_user() to only current process.
- add write_process_vm() to write specified process space.
2015-03-04 11:29:16 +09:00
8db54c2637
make GPE on CPL0 cause panic
2015-03-04 11:29:16 +09:00
063fa963c3
change copy-in routines
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- restrict copy_from_user() to only current process.
- add read_process_vm() to read specified process space.
2015-03-04 11:29:15 +09:00
a6488adcc1
change parameter type of ihk_mc_pt_virt_to_phys()
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- add type qualifier 'const' to virtual address parameter.
that is, change parameter 'virt' from 'void *'
to 'const void *'
2015-03-04 11:29:15 +09:00
377341ce5f
change debug output in debug/int3 handler, for struct x86_user_context.
2015-03-03 14:06:30 +09:00
8caeba7cba
support PTRACE_GETSIGINFO and PTRACE_SETSIGINFO
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refs #422
2015-03-03 09:54:57 +09:00
1d2f5d9893
set is_gpr_valid to initial user context
2015-02-27 14:47:43 +09:00
e4f47df3c3
initialize pstate, turbo mode and power/performace bias MSR registers
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MSR_IA32_MISC_ENABLE, MSR_IA32_PERF_CTL and MSR_IA32_ENERGY_PERF_BIAS
are responsible for performance settings, this change enables McKernel
to perform on par with Linux when running the fwq benchmark.
2015-02-27 11:29:11 +09:00
4751055ee4
make ptrace(2) use lookup_user_context()
2015-02-26 17:43:10 +09:00
305ebfed0e
add lookup_user_context(). refs #420
2015-02-26 17:43:10 +09:00
b66b950129
add x86_sregs into x86_user_context
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x86_sregs contains the registers which are included in user_regs_struct
but not included in x86_basic_regs.
2015-02-26 17:43:10 +09:00
4aa8ba2eef
sort x86_basic_regs into user_regs_struct's order
2015-02-26 17:43:10 +09:00
fab2c2aa97
wrap x86_regs with x86_user_context
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and, rename x86_regs to x86_basic_regs.
2015-02-26 17:43:10 +09:00
e91d1e5b7b
stack of signal handler is not 16 byte align
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refs #429
2015-02-24 17:20:52 +09:00
d9cf1d49b1
support waitid
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send SIGCHLD to parent when SIGSTOP or SIGCONT received
refs #425
refs #283
2015-02-22 20:05:30 +09:00
0307f6a6cc
impementation of sched_{setparam, getparam, setscheduler, getscheduler, get_priority_min, get_priority_max, rr_get_interval} system calls
2015-02-19 11:46:03 -08:00
0e98e87b95
change type of kprintf_lock() to "unsigned long"
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to match type of ihk_mc_spinlock_lock().
2015-02-18 20:49:46 +09:00
d35e60c1a3
add init_boot_processor_local() for arch_start()
2015-02-18 20:49:46 +09:00
3b04043f2a
change to throw signal SIGILL to SIGSEGV when GPE
2015-02-18 14:54:49 +09:00
c0edb6fe6f
add new cpu state CPU_STATUS_RESERVED
2015-02-18 13:46:08 +09:00
16af976a71
support msync() system call. refs #382
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Msync(2) of this version writes only the pages which the calling process
modified. Modifications of the other processes are not written.
2015-02-18 11:52:15 +09:00
99debc548f
detach traced process, when tracer process terminate.
...
some fixes on PTRACE_DETACH.
refs #374
refs #280
2015-02-17 16:58:29 +09:00
fa15f6b106
support PTRACE_SYSCALL.
...
support PTRACE_O_TRACESYSGOOD.
ptrace_report_exec() calls ptrace_report_signal().
refs #265
2015-02-17 16:56:27 +09:00
8568a73f33
traced process should stop by any signal except for SIGKILL,
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even if SIG_IGN. (LTP ptrace01)
2015-02-17 16:51:29 +09:00
8cdf70c500
Enable AVX extensions for processors that support it.
2015-02-12 17:51:50 -08:00
d21ae28843
add dummy NUMA system calls. refs #405
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ENOSYS system call handlers for the following.
- get_mempolicy()
- mbind()
- migrate_pages()
- move_pages()
- set_mempolicy()
2015-02-10 21:16:19 +09:00
a4a806bef7
support vsyscall_getcpu() vsyscall. refs #385
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This version simply calls getcpu() system call, so that it's not fast.
2015-02-10 18:35:48 +09:00
d30d8fe71c
support getcpu() system call. refs #385
...
It appeared on Linux(x86) in kernel 3.1.
2015-02-10 18:35:41 +09:00
b26fa4e87c
wrong send signal to sender process when kill other process group (LTP kill10)
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refs #404
2015-01-29 16:14:31 +09:00
bd5f43b119
support PTRACE_SINGLESTEP.
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support debug/int3 exception.
2015-01-29 15:48:05 +09:00
c3ade864d9
fix PTRACE_PEEKUSER, PTRACE_POKEUSER, PTRACE_GETREGS.
...
support PTRACE_SETREGS.
In struct process, add 'unsigned long *ptrace_debugreg', instead of 'struct user *userp'.
debug registers are read/written from/to ptrace_debugreg, save/restore in schedule().
most general registers are proc->uctx.
fs_base is proc->thread.tlsblock_base.
gs_base,ds,es,fs,gs and orig_rax are uncompleted.
other members in 'struct user' are ignored, same as Linux implementation.
refs #257
refs #373
refs #263
2015-01-29 14:08:38 +09:00
08cc31f9bf
support setrlimits/getrlimits, however this fix is these syscalls only.
...
checking resource process must implement it separately.
refs #330
2015-01-27 10:35:58 +09:00
cf2166f830
function enter_user_mode calls check_signal.
...
refs #392
2015-01-16 14:28:28 +09:00
d46110b4d9
support PTRACE_DETACH.
...
change getppid() to use proc->ftn->ppid_parent->pid, for ptraced process.
refs #280
2015-01-08 12:39:52 +09:00
e3eb7e68bc
Fix need to modify ihk/cokernel/Makefile when a file has been added under mckernel/arch (Bug#365)
2014-12-26 16:05:23 +09:00
912b8a886c
do_kill distinguish PTRACE_CONT from kill.
2014-12-26 15:23:11 +09:00
e25d35a191
ihk_mc_init_ap(): cosmetics for reporting IKC, trampoline info
2014-12-25 11:05:52 +09:00
b388f59ebd
ihk_ikc_irq and ihk_ikc_irq_apicid
2014-12-25 11:03:01 +09:00
ff47261337
receive trampoline addr via parameter of arch_start()
2014-12-25 11:03:00 +09:00
55f7ee1526
fix a warning
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| mckernel/kernel/../arch/x86/kernel/memory.c: In function '__set_pt_page':
| mckernel/kernel/../arch/x86/kernel/memory.c:367:
| warning: 'init_pt_lock_flags' may be used uninitialized in this function
2014-12-22 17:03:32 +09:00
0942bf0ce0
make dkprintf() evaluate its parameters always
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Parameters of dkprintf() should be evaluated even if dkprintf() is
disabled. Because this enables to find expression of parameter obsolete
and to avoid unnecessary compiler warnings such as "unused variable".
2014-12-22 16:58:03 +09:00
d4ba4dc8b3
introduction of mckernel_procfs_file_operations; fix /proc/self path resolution;
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implementation of /proc/self/pagemap (LTP mmap12)
2014-12-15 12:46:05 +09:00
cc9d30efbf
do_signal(): support for SIGSYS
...
as of POSIX.1-2001:
Signal Value Action Comment
---------------------------------------------------
SIGSYS 12,31,12 Core Bad argument to routine
2014-12-04 18:10:10 +09:00
86f2a9067b
getppid() implementation
2014-12-04 16:55:17 +09:00
a5889fb5df
sigaction check signal number (LTP sigaction02)
2014-12-04 11:31:50 +09:00
