Commit Graph

176 Commits

Author SHA1 Message Date
Jérôme Duval
db9b70ee54 kernel: add a compatibility commpage on x86_64.
* x86 uses a commpage with 32-bit addresses, incompatible with the one used for
x86_64. For this reason, a compatibility commpage is needed to support a 32-bit
userland on x86_64.
* define ADDRESS_TYPE as a macro for addr_t (default) or uint32 (for the 32-bit
commpage).
* team_create_thread_start_internal() will use clone_commpage_area() with
KERNEL_USER_DATA_BASE or clone_commpage_compat_area() with
KERNEL_USER32_DATA_BASE, to setup the correct commpage.
* real_time_clock (in compatibility mode) also updates the compatibility
commpage with real time data.

Change-Id: I61605077ce0beabab4439ef54edd1eae26f26fd2
2018-05-18 05:11:07 +00:00
Jérôme Duval
a553e95d85 kernel: support elf32 on x86_64.
* define ELF32_COMPAT to enable ELF32 macros.
* add a flag ELF_LOAD_USER_IMAGE_TEST_EXECUTABLE to only check the format.
It will be used by load_image_internal() to check which mode to use when
loading an image.
* in arch_elf_relocate_rel(), switch to elf_addr instead of addr_t, which
would be the wrong size for elf32 on x86_64.
* the ELF compat loader reuses the relevant parts of elf.cpp and arch_elf.cpp,
excluding for instance load_kernel_add_on() or dump functions.

Change-Id: Ifa47334e5adefd45405a823a3accbd12eee5b116
2018-05-15 10:29:00 +00:00
Jérôme Duval
27b32ee02c kernel/x86_64: adjust descriptors tables for compatibility mode.
* also adjust BOOT_GDT_SEGMENT_COUNT for x86, the definition is used by the
boot loader.
* add some 32-bit definitions.
* add a UserTLSDescriptor class, this will be used by 32-bit threads.

Change-Id: I5b1d978969a1ce97091a16c9ec2ad7c0ca831656
2018-05-15 10:27:02 +00:00
Jérôme Duval
401fb209ea kernel: use x2apic on hypervisor, or if already enabled.
* this can be disabled per safe mode setting.
2018-02-04 19:08:53 +01:00
Jérôme Duval
9dd4d2dd05 kernel: support for Intel SMAP and SMEP on x86_64.
SMAP will generated page faults when the kernel tries to access user pages unless overriden.
If SMAP is enabled, the override instructions are written where needed in memory with
binary "altcodepatches".
Support is enabled by default, might be disabled per safemode setting.

Change-Id: Ife26cd765056aeaf65b2ffa3cadd0dcf4e273a96
2018-01-30 20:05:39 +00:00
Jérôme Duval
a295d3f46e wait4(): retrieve dead team entries usage information.
* This adds a parameter to the wait_for_child syscall. I extended the test case
to show the actual retrieved information.
* fix #13546
2017-10-10 17:20:46 +02:00
Jérôme Duval
41458d977a limits.h: define PIPE_BUF. 2017-04-19 17:52:28 +02:00
Jérôme Duval
85566e032d posix: add _POSIX_SEM_NSEMS_MAX.
* have _SC__SEM_NSEMS_MAX return _POSIX_SEM_NSEMS_MAX, a per team limit
instead of the global limit.
2017-02-21 20:17:16 +01:00
Augustin Cavalier
b6f76ebe71 s/OpenBeOS License/MIT License/ universally, as they're the same thing.
Fixes #8681.
2017-02-09 22:09:56 -05:00
Jessica Hamilton
4419d699ec partitioning: pass along reference to parent when uninitializing.
* Fixes problems with setting the partition name after uninitializing
  a partition in DriveSetup. Previously, UninitializeJob() was
  followed by SetStringJob(), but the kernel was updating the
  change counter for the parent partition when uninitializing a
  partition, leading to SetStringJob() having an incorrect change
  counter for the parent partition. Now the parent change counter
  will be correct when SetStringJob() runs.
2016-12-23 18:53:15 +13:00
Ingo Weinhold
9266cd66c7 extended_image_info: Add text_delta field
Needed to offset a symbol address read from the symbol table to the
actual load address.
2016-04-29 22:32:14 +02:00
Ingo Weinhold
8c6cb8af01 runtime loader: Register extended image info with kernel
Add structure extended_image_info which extends image_info by the
fields symbol_table, symbol_hash, string_table.
2016-04-27 02:16:09 +02:00
Ingo Weinhold
467fe4ca0c kernel: Add core dump facility
* Add function core_dump_write_core_file(). It writes a core file for
  the current thread's team. The file format is similar to that of
  other OSs (i.e. ELF with PT_LOAD segments and a PT_NOTE segment), but
  most of the notes are Haiku specific (infos for team, areas, images,
  threads). More data will probably need to be added.
* Add team flag TEAM_FLAG_DUMP_CORE, thread flag
  THREAD_FLAGS_TRAP_FOR_CORE_DUMP, and Team property coreDumpCondition,
  a condition variable available while a core dump is progress. A
  thread that finds its flag THREAD_FLAGS_TRAP_FOR_CORE_DUMP set before
  exiting the kernel to userland calls core_dump_trap_thread(), which
  blocks on the condition variable until the core dump has finished. We
  need the team's threads to stop so we can get their CPU state (and
  have a generally unchanging team state while writing the core file).
* Add user debugger message B_DEBUG_WRITE_CORE_FILE. It causes
  core_dump_write_core_file() to be called for the team.
* Dumping core as an immediate effect of a terminal signal has not been
  implemented yet, but that should be fairly straight forward.
2016-04-24 18:22:14 +02:00
Simon South
75c31ae28d system: Build using public elf.h header
Reduce duplication of code by

* Removing from elf_common.h definitions available in os/kernel/elf.h
* Deleting elf32.h and elf64.h
* Renaming elf_common.h to elf_private.h
* Updating source to build using public and private ELF header files
  together

Signed-off-by: Jessica Hamilton <jessica.l.hamilton@gmail.com>
2015-11-07 11:49:56 +13:00
Simon South
078b88b12d runtime_loader: Randomly position only relocatable code
The use of an unreliable test for relocatability effectively broke
runtime_loader's support for non-position-independent executables, as it
would insist on randomly positioning these files' segments in memory
anyway causing the program to quickly crash.

With this change runtime_loader uses the object type specified in the
file's header to determine whether its segments can be safely relocated,
restoring support for non-PI executables.

Fixes #12427.

Signed-off-by: Adrien Destugues <pulkomandy@pulkomandy.tk>
2015-10-26 21:19:25 +01:00
Axel Dörfler
4bf862e368 syslog_daemon: Converted to BServer.
* Instead of letting the kernel search for the syslog port, the
  daemon now registers itself with the kernel (which even solves
  a TODO).
* A port is created for the actual log messages from the launch_daemon,
  and used on start.
* However, the SyslogTest does not yet work, due to the BMessage <->
  KMessage communication problems.
2015-07-22 20:40:47 +02:00
Hamish Morrison
d6d439f3f7 Reimplement unnamed POSIX semaphores using user_mutex
* Fixes sharing semantics, so non-shared semaphores in non-shared
  memory do not become shared after a fork.
* Adds two new system calls: _user_mutex_sem_acquire/release(),
  which reuse the user_mutex address-hashed wait mechanism.
* Named semaphores continue to use traditional sem_id semaphores.
2015-05-24 14:03:40 +01:00
François Revol
d508fd4c33 PPC: leave all atomic ops as gcc inlines
I'm not sure the 64bit versions are really implemented though...
2015-04-20 17:52:39 +02:00
Michael Lotz
8f9d4cad45 syscalls: Remove get_stack_trace syscall again.
This reverts the other half of b959d46dbd.
2015-04-11 23:37:55 +02:00
Michael Lotz
459e651fd5 syscalls: Remove lookup_symbol syscall again.
This partially reverts b959d46dbd.
2015-04-11 11:18:51 +02:00
Michael Lotz
b959d46dbd syscalls: Add get_stack_trace and lookup_symbol syscalls.
The get_stack_trace syscall generates a stack trace using the kernel
debugging facilities and copies the resulting return address array to
the preallocated buffer from userland. It is only possible to get a
stack trace of the current thread.

The lookup_symbol syscall can be used to look up the symbol and image
name corresponding to an address. It can be used to resolve symbols
from a stack trace generated by the get_stack_trace syscall. Only
symbols of the current team can be looked up. Note that this uses
the symbol lookup of the kernel debugger which does not support lookup
of all symbols (static functions are missing for example).

This is meant to be used in situations where more elaborate stack trace
generation, like done in the userland debugging helpers, is not possible
due to constraints.
2015-04-10 16:00:49 +02:00
Michael Lotz
e01de52283 More whitespace cleanup all over the place. 2015-04-10 15:05:14 +02:00
Paweł Dziepak
f2f91078bd kernel/x86_64: remove memset and memcpy from commpage
There is absolutely no reason for these functions to be in commpage,
they don't do anything that involves the kernel in any way.

Additionaly, this patch rewrites memset and memcpy to C++, current
implementation is quite simple (though it may perform surprisingly
well when dealing with large buffers on cpus with ermsb). Better
versions are coming soon.

Signed-off-by: Paweł Dziepak <pdziepak@quarnos.org>
2014-09-14 19:16:52 +02:00
PulkoMandy
5de8dca2e4 Bootloader: fix loading of ARM ELF files
* Let the loader know about PT_ARM_UNWIND (and ignore it)
 * Allow up to 32K of space between sections of an ELF files as ARM ones
need that.
2014-09-02 18:15:50 +02:00
Oliver Tappe
37f558d5a3 Let runtime_loader ignore RT_RELRO program headers.
* The new libstdc++.so contains program headers of type PT_RELRO (for
  making segments read-only after relocation). While the actual feature
  has not been implemented, the runtime_loader should now silently
  accept (and ignore) those program headers.
2014-08-13 13:32:45 +02:00
Pawel Dziepak
44c0c4d3d0 runtime_loader: add support for ELF based TLS
This patch introduces support of ELF based TLS handling with lazy allocation
and initalization of TLS block for each DSO and thread. The implementation
generally follows the official ABI except that generation counter in dtv
is in fact a pointer to Generation object that contains both generation
counter and size of the dtv. That simplified the implementation a bit, but
could be changed later. The ABI requirements regariding in memory position
of TLS block is not honoured what results in static TLS model being
unsupported. However, that should not be a problem as long as
"executables" in Haiku are in fact shared objects and optimizations which
require specific TLS block in memory layout are not possible anyway.
2014-05-04 04:00:17 +02:00
Pawel Dziepak
828ea2c47d headers/system: add ELF TLS related constants 2014-05-04 02:40:04 +02:00
John Scipione
ebd3bcdb9b exfat: handle 4-byte UTF-16 surrogate pairs
... in filenames. Replace the existing Unicode conversion functions
with UTF conversion functions from js that he relicensed MIT for us.

Put the UTF conversion functions in a private but shared code location
so that they can be accessed throughout the kernel.

Right now we only provide functions to convert between UTF-8 and UTF-16.
At some point we should also add functions to convert between UTF-8 and
UTF-32 and UTF-16 and UTF-32 but these aren't needed by exfat.

Remove the old Unicode conversion functions from exfat as they assumed
UCS-2 characters and don't work with UTF-16 used by exfat.

Rename most variables with the term length with code unit where code units
are intended. The term length, when used, means length in bytes while code
units represent either a full 2-byte UTF-16 character or half a 4-byte
surrogate pair.
2014-04-11 18:46:03 -04:00
Ithamar R. Adema
8f4db360bc arm/atomic: round of atomic function changes
* change vint{32,64} to int{32,64} in:
  * kernel implementation
  * syscall definitions
  * libroot prototypes
* update syscall functions with new atomic prototypes.
2014-02-15 11:46:12 +01:00
Ithamar R. Adema
4b47d96a77 arm: fix compiler ARM architecture detection
For determining if to define ATOMIC{,64}_FUNCS_ARE_SYSCALLS, use
the proper macro.
2014-02-15 11:46:11 +01:00
Pawel Dziepak
d0f2d8282f Merge branch 'scheduler'
Conflicts:
	build/jam/packages/Haiku
	headers/os/kernel/OS.h
	headers/os/opengl/GLRenderer.h
	headers/private/shared/cpu_type.h
	src/add-ons/kernel/drivers/power/acpi_battery/acpi_battery.h
	src/bin/sysinfo.cpp
	src/bin/top.c
	src/system/kernel/arch/x86/arch_system_info.cpp
	src/system/kernel/port.cpp
2014-01-17 04:06:15 +01:00
Alexander von Gluck IV
aa4b5749d6 runtime_loader: Detect and trigger on PE binaries
* Previously PE binaries would trigger the "incorrectly
  executable" dialog. Now we get a special message for
  B_LEGACY_EXECUTABLE and B_UNKNOWN_EXECUTABLE
* Legacy at the moment is a R3 x86 PE binary. This could
  be extended to gcc2 binaries someday far, far, down the
  road though
* The check for legacy is based on a PE flag I see
  set on every R3 binary (that isn't set on dos ones)
* Unknown is something we know *is* an executable, but
  can't do anything with (such as an MSDOS or Windows
  application)
* No performance drops as we do the PE scan last
* Tested on x86 and x86_gcc2
2014-01-07 19:38:07 -06:00
Pawel Dziepak
d02aaee17e kernel, libroot: Add more memory info in system_info
system_info now contains all information previously available only
through __get_system_info_etc(B_MEMORY_INFO, ...).
2013-12-16 04:53:46 +01:00
Pawel Dziepak
1bc7045fdf kernel, libroot: Introduce new API for obtaining system info 2013-12-16 03:58:43 +01:00
Ingo Weinhold
fb52b1f8b4 VFS FIFO: Enlarge FIFO buffer sizes
* Increase FIFO buffer capacity from 32 to 64 KiB and the FIFO atomic
  write size ({BUF_SIZE}) from 512 bytes to 4 KiB (both like Linux).
* Fix *pathconf(..., _PC_PIPE_BUF). It was returning 4 KiB although the
  implemented atomic write size was 512 bytes only. Now both *pathconf()
  and the FIFO implementation refer to the same constant.
2013-11-25 12:45:37 +01:00
Pawel Dziepak
308f594e2a kernel, libroot: Make scheduler modes interface public 2013-11-20 23:32:40 +01:00
Ingo Weinhold
3a7e0b0014 packagefs: Support blacklisting entries in packages
In each installation location, it is now possible to create a settings
file "packages" that allows to blacklist entries contained in packages.
The format is:

Package <package name> {
	EntryBlacklist {
		<entry path>
		...
	}
}
...

<package name> is the base name (no version) of the respective package
(e.g. "haiku"), <entry path> is an installation location relative path
(e.g. "add-ons/Translators/FooTranslator").

Blacklisted entries will be ignored by packagefs, i.e. they won't appear
in the file system. This addresses the issue that it may be necessary to
remove a problematic file (e.g. driver, add-on, or library), which would
otherwise require editing the containing package file.

The settings file is not not "live". Changes take effect only after
reboot (respectively when remounting the concerned packagefs volume).
2013-11-19 15:30:34 +01:00
Ingo Weinhold
94fb954c53 find_path*(): Support user specific home directory
No longer hard-code the home directory path. Instead ask
find_directory(), so we get the correct one for the current user.
2013-11-18 01:50:49 +01:00
Ingo Weinhold
c39c9283aa Add get_architectures() and C++ versions
* get_architectures() returns the primary and the secondary
  architectures in one array. That turned out to be convenient.
* Add C++ versions for get[_secondary]_architectures(), returning a
  BStringList.
2013-11-17 02:09:37 +01:00
Ingo Weinhold
60b39cd741 Add get_*architecture() API, extend find_path*() API
* Add get_architecture(), get_primary_architecture(),
  get_secondary_architectures(), guess_architecture_for_path() to get
  the caller's architecture, the primary architecture, all secondary
  architectures, or the architecture associated with a specified path
  respectively.
* Rename the find_path*() functions to find_path*_etc() and add an
  optional architecture parameter. Add simplified find_path*()
  functions.
* BPathFinder: Add FindPath[s]() versions with an architecture
  parameter.
2013-11-17 02:09:36 +01:00
Ingo Weinhold
986e4abce4 Add new API find_path[s](), find_path_for_path()
The new functions are meant to replace many uses of find_directory():
* find_paths() is supposed to be used when the directories of a certain
  kind in all installation directories are needed (e.g. font
  directories, add-on directory, etc.). Using this API makes code
  robust wrt addition or removal of installation locations.
* find_path() is supposed to be used when files/directories associated
  with a loaded program, library, or add-on need to be found (e.g. data
  files or global settings).
* find_path_for_path() is similar to find_path(), but it starts from a
  given path instead of an image.
2013-11-05 21:40:43 +01:00
Ingo Weinhold
de49e34927 Add symbol versioning for find_directory()
Should already have been done back when the semantics for the
B_COMMON_*DIRECTORY constants was changed.

Currently old and new version behave the same. So this is just a
contingency measure ATM.
2013-10-05 01:33:26 +02:00
Ingo Weinhold
38fa81bf8f Remove B_COMMON*_DIRECTORY and kCommon*Directory constants
* This does intentionally break source compatibility, so that a review
  of concerned code is forced.
* Binary compatibility should be maintained in most cases. The values
  of the constants for the writable directories are now used for the
  writable system directories. The values for the non-writable
  directories are mapped to "/boot/system/data/empty/...", an empty or
  non-existent directory, so that they will simply be skipped in search
  paths. Only code that explicitly expects to find something in a
  B_COMMON_* directory, will fail.
2013-10-04 02:30:30 +02:00
Ingo Weinhold
f73f5d4c42 Initial changes to remove /boot/common
* find_directory() and hard-coded paths use /boot/system instead of
  /boot/common.
* The build system creates the writable directories in /boot/system
  instead of /boot/common.
* The build system no longer installs any packages in /boot/common.
2013-10-03 21:52:25 +02:00
Ingo Weinhold
81291304ad Merge remote-tracking branch 'haiku/master' into package-management
Conflicts:
	build/jam/BuildSetup
	build/jam/HaikuImage
	build/jam/board/sam460ex/BoardSetup
	build/jam/board/verdex/BoardSetup
	data/catalogs/apps/icon-o-matic/fr.catkeys
	src/add-ons/kernel/drivers/audio/hda/hda_codec.cpp
	src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.cpp
	src/apps/debugger/files/FileManager.cpp
	src/apps/debugger/files/FileManager.h
	src/apps/debugger/user_interface/gui/inspector_window/MemoryView.cpp
	src/apps/haiku-depot/MainWindow.cpp
	src/apps/haiku-depot/MainWindow.h
	src/apps/haiku-depot/Model.cpp
	src/apps/haiku-depot/PackageInfo.h
	src/apps/haiku-depot/PackageInfoListener.h
	src/apps/haiku-depot/PackageInfoView.cpp
	src/apps/haiku-depot/PackageInfoView.h
	src/apps/haiku-depot/PackageListView.cpp
	src/apps/haiku-depot/PackageListView.h
	src/system/kernel/arch/arm/arch_timer.cpp
	src/system/libroot/os/arch/arm/atomic.S
	src/tools/translation/bitsinfo/Jamfile
	src/tools/translation/bmpinfo/Jamfile
	src/tools/translation/tgainfo/Jamfile
2013-09-27 01:55:45 +02:00
Ithamar R. Adema
501b24c63b ARM: kernel: Make 32/64-bit atomics work for ARMv5/6
Support for 64-bit atomic operations for ARMv7+ is currently stubbed
out in libroot, but our current targets do not use it anyway.

We now select atomics-as-syscalls automatically based on the ARM
architecture we're building for. The intent is to do away with
most of the board specifics (at the very least on the kernel side)
and just specify the lowest ARMvX version you want to build for.

This will give flexibility in being able to distribute a single
image for a wide range of devices, and building a tuned system
for one specific core type.
2013-09-18 05:03:18 +02:00
Pawel Dziepak
772568c476 system: Use B_PAGE_SIZE to define stack sizes
As korli suggested use B_PAGE_SIZE for defining stack size related
definitions what seems to be more natural for them  and also may
help if we ever support an architecture with page size different than
4kB.
2013-09-17 14:42:04 +02:00
Pawel Dziepak
f06af2e2f8 system: Use B_PAGE_SIZE to define stack sizes
As korli suggested use B_PAGE_SIZE for defining stack size related
definitions what seems to be more natural for them  and also may
help if we ever support an architecture with page size different than
4kB.
2013-09-16 23:23:29 +02:00
Ingo Weinhold
cf70d345b2 Merge remote-tracking branch 'haiku/master' into package-management
This reverts 8f7f28a7c3 (OpenGL: Upgrade
to
Mesa 9.2).

Conflicts:
	build/jam/BuildFeatures
	build/jam/HaikuImage
	build/jam/OptionalPackages
	build/scripts/build_cross_tools_gcc4
	src/add-ons/opengl/swpipe/Jamfile
	src/apps/diskusage/Jamfile
	src/kits/tracker/ContainerWindow.cpp
	src/kits/tracker/DeskWindow.cpp
	src/kits/tracker/Jamfile
2013-09-13 01:02:28 +02:00
Jérôme Duval
787773400c Added x2APIC support.
* Mostly useful for virtualization at the moment. Works in QEmu.
* Can be enabled by safemode settings/menu.
* Please note that x2APIC normally requires use of VT-d interrupt remapping feature
on real hardware, which we don't support yet.
2013-08-26 21:08:21 +02:00