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* 64bit: Fix format warningsSamuel Thibault2020-03-291-0/+62
| | | | | * i386/i386at/biosmem.c: Include <inttypes.h> (biosmem_map_show, biosmem_load_segment): Use PRIx64.
* include/mach/xen.h: Add 64bit variantSamuel Thibault2020-03-281-0/+4
| | | | * include/mach/xen.h (PFN_LIST): Set to MACH2PHYS_VIRT_START.
* Set time_t type to 64bitSamuel Thibault2020-01-281-1/+1
| | | | | | | In order to fix year 2038 limit in RTC driver * include/sys/types.h (time_t): Bump type to 64bit. * Makefile.am (clib_routines): Also allow __moddi3.
* patch: add last_processor to thread info structuresAlmudena Garcia2019-10-271-0/+1
| | | | | | | * include/mach/thread_info.h (thread info structures): Add new member "last_processor" in thread_sched_info. * kern/thread.c (thread management): Fill new member "last_processor" in thread_info() function.
* Add vm_object_sync supportSamuel Thibault2018-11-034-0/+61
| | | | | | | | | | | | | * include/mach/vm_sync.h: New file. * include/mach/mach_types.h: Include <mach/vm_sync.h> * Makefrag.am (include_mach_HEADERS): Add include/mach/vm_sync.h. * include/mach/mach_types.defs (vm_sync_t): Add type. * include/mach/gnumach.defs (vm_object_sync, vm_msync): Add RPCs. * vm/vm_map.h: Include <mach/vm_sync.h>. (vm_map_msync): New declaration. * vm/vm_map.c (vm_map_msync): New function. * vm/vm_user.c: Include <mach/vm_sync.h> and <kern/mach.server.h>. (vm_object_sync, vm_msync): New functions.
* Fix typoSamuel Thibault2018-11-031-1/+1
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* Avoid old typeSamuel Thibault2018-03-031-4/+2
| | | | | * include/device/bpf.h: Do not include <sys/types.h> (struct bpf_version): Use unsigned short type instead of u_short.
* Add const MIG typesSamuel Thibault2018-01-281-0/+1
| | | | | | * i386/include/mach/i386/mach_i386_types.h (const_descriptor_list_t): New type. * include/mach/port.h (const_mach_port_array_t): New type.
* VM: add the vm_wire_all callRichard Braun2016-12-243-0/+46
| | | | | | | | | | | | | | | | | This call maps the POSIX mlockall and munlockall calls. * Makefrag.am (include_mach_HEADERS): Add include/mach/vm_wire.h. * include/mach/gnumach.defs (vm_wire_t): New type. (vm_wire_all): New routine. * include/mach/mach_types.h: Include mach/vm_wire.h. * vm/vm_map.c: Likewise. (vm_map_enter): Automatically wire new entries if requested. (vm_map_copyout): Likewise. (vm_map_pageable_all): New function. vm/vm_map.h: Include mach/vm_wire.h. (struct vm_map): Update description of member `wiring_required'. (vm_map_pageable_all): New function. * vm/vm_user.c (vm_wire_all): New function.
* include: Fix new task notifications.Justus Winter2016-11-011-2/+5
| | | | | | | | Instead of copying the send right, move it. This fixes a send-right leak. * include/mach/task_notify.defs (task_move_t): New type. (mach_notify_new_task): Use the new type.
* Make task notification ports mutable.Justus Winter2016-10-131-1/+21
| | | | | * include/mach/task_notify.defs (task_notify_port_t): New type. (mach_notify_new_task): Use the specialized type.
* Remove deprecated external memory management interface.Justus Winter2016-10-034-68/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * NEWS: Update. * device/dev_pager.c (device_pager_data_request): Prune unused branch. (device_pager_data_request_done): Remove function. (device_pager_data_write): Likewise. (device_pager_data_write_done): Likewise. (device_pager_copy): Use 'memory_object_ready'. * device/dev_pager.h (device_pager_data_write_done): Remove prototype. * device/device_pager.srv (memory_object_data_write): Remove macro. * doc/mach.texi: Update documentation. * include/mach/mach.defs (memory_object_data_provided): Drop RPC. (memory_object_set_attributes): Likewise. * include/mach/memory_object.defs: Update comments. (memory_object_data_write): Drop RPC. * include/mach/memory_object_default.defs: Update comments. * include/mach_debug/vm_info.h (VOI_STATE_USE_OLD_PAGEOUT): Drop macro. * vm/memory_object.c (memory_object_data_provided): Remove function. (memory_object_data_error): Simplify. (memory_object_set_attributes_common): Make static, remove unused parameters, simplify. (memory_object_change_attributes): Update callsite. (memory_object_set_attributes): Remove function. (memory_object_ready): Update callsite. * vm/vm_debug.c (mach_vm_object_info): Adapt to the changes. * vm/vm_object.c (vm_object_bootstrap): Likewise. * vm/vm_object.h (struct vm_object): Drop flag 'use_old_pageout'. * vm/vm_pageout.c: Update comments. (vm_pageout_page): Simplify.
* Lightweight synchronization mechanismAgustina Arzille2016-04-152-0/+58
| | | | | | | | | | | | * Makefrag.am (libkernel_a_SOURCES): Add kern/gsync.c and kern/gsync.h. * include/mach/gnumach.defs (gsync_wait, gsync_wake, gsync_requeue): New routines. * include/mach/kern_return.h (KERN_TIMEDOUT, KERN_INTERRUPTED): New error codes. * kern/gsync.c: New file. * kern/gsync.h: New file. * kern/startup.c: Include <kern/gsync.h> (setup_main): Call gsync_setup.
* Fix bootstraping issues with stdint.h.Flavio Cruz2016-04-051-1/+0
| | | | | * include/mach/std_types.h: Do not include stdint.h. * kern/rdxtree.h: Replace sys/types.h with stdint.h.
* Use uint32_t instead of unsigned32_t.Flavio Cruz2016-04-045-21/+64
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Implement stdint.h and use it in gnumach. Remove old type definitions such as signed* and unsigned*. * Makefile.am: Add -ffreestanding. * i386/i386/xen.h: Use uint64_t. * i386/include/mach/i386/machine_types.defs: Use uint32_t and int32_t. * i386/include/mach/i386/vm_types.h: Remove definitions of int*, uint*, unsigned* and signed* types. * i386/xen/xen.c: Use uint64_t. * include/device/device_types.defs: Use uint32_t. * include/mach/std_types.defs: Use POSIX types. * include/mach/std_types.h: Include stdint.h. * include/stdint.h: New file with POSIX types. * include/sys/types.h: Include stdint.h. * ipc/ipc_kmsg.c: Use uint64_t. * kern/exception.c: Use uint32_t. * linux/dev/include/linux/types.h: Remove POSIX types. * xen/block.c: Use uint64_t. * xen/net.c: Do not use removed unsigned*_t types. * xen/ring.h: Use uint32_t instead. * xen/store.c: Use uint32_t. * xen/store.h: Use uint32_t. * xen/time.c: Use POSIX types only. * xen/time.h: Use uint64_t.
* include: avoid generating unused client stubsJustus Winter2016-02-261-0/+41
| | | | | | * include/mach/mach.defs: Avoid generating unused client stubs, some of which use an unreasonable amount of stack space and showed up in compiler warnings.
* Remove kmem cache flags from the debugging interfaceRichard Braun2016-02-221-6/+0
| | | | | | | * include/mach_debug/slab_info.h (CACHE_FLAGS_NO_CPU_POOL, CACHE_FLAGS_SLAB_EXTERNAL, CACHE_FLAGS_NO_RECLAIM, CACHE_FLAGS_VERIFY, CACHE_FLAGS_DIRECT): Remove macros. * kern/slab.c (host_slab_info): Pass raw cache flags to caller.
* Add macros to convert between time_value_t and timespecFlávio Cruz2015-09-191-0/+12
| | | | | * include/mach/time_value.h (TIME_VALUE_TO_TIMESPEC, TIMESPEC_TO_TIME_VALUE): New macros
* kern: use proper memory fences when handling the mapped timeJustus Winter2015-09-071-0/+2
| | | | | | | | * include/mach/time_value.h (struct mapped_time_value): Adjust comment. * kern/mach_clock.c (mtime): Likewise. Also make it volatile. (update_mapped_time): Use full hardware barriers. (read_mapped_time): New macro with proper fences. (record_time_stamp, host_get_time): Use the new macro.
* include: provide time-value substractionJustus Winter2015-07-251-7/+24
| | | | | | | | | * include/mach/time_value.h (time_value_assert): New macro to assert that the given value is well-formed. (time_value_add_usec): Use the new macro. (time_value_sub_usec): New macro. (time_value_add): Use `time_value_add_usec'. (time_value_sub_usec): New macro.
* Allow non-privileged tasks to wire 64KiB task memorySamuel Thibault2015-07-091-1/+1
| | | | | | | | | | | | | | | | | * doc/mach.texi (vm_wire): Document that the host port does not have to be privileged. * include/mach/mach_hosts.defs (vm_wire): Use mach_port_t instead of host_priv_t. * vm/vm_map.h (vm_map): Add user_wired field. * vm/vm_map.c (vm_map_setup): Initialize user_wired field to 0. (vm_map_pageable_common, vm_map_entry_delete, vm_map_copy_overwrite, vm_map_copyout_page_list, vm_map_copyin_page_list): When switching user_wired_count field of entry between 0 and non-0, accumulate the corresponding size into the user_wired field of map. * vm/vm_user.c (vm_wire): Turn host parameter into port parameter, and inline a version of convert_port_to_host_priv which records whether the host port is privileged or not. When it is not privileged, check whether the additional amount to user_wired will overcome 64KiB.
* ipc: replace the IPC table with a radix treeJustus Winter2015-05-203-48/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, the port names are mapped to an IPC object (e.g. a port) using a table. This, however, requires large chunks of continuous memory, and leads to scalability problems as virtual kernel memory is a scarce resource. To avoid excessive overhead, non-contiguous port names are spilled into a splay tree. Replace the IPC table with a radix tree. As the radix tree is able to store non-contiguous names with reasonable overhead, we can drop the splay tree as well. * ipc/ipc_entry.c (ipc_entry_tree_collision): Remove function. (ipc_entry_cache): New variable. (ipc_entry_lookup): Replace with a radix tree lookup. (ipc_entry_get): The free list handling is changed a little. Adopt accordingly. (ipc_entry_free_name): New function. (ipc_entry_alloc): Adopt accordingly. (ipc_entry_alloc_name): Likewise. (ipc_entry_dealloc): Likewise. (ipc_entry_grow_table): Remove function. * ipc/ipc_entry.h (struct ipc_entry): Update comment, add field for name and free list, remove unused fields. (ipc_entry_cache, ie_alloc, ie_free): New declarations. (struct ipc_tree_entry): Remove. Also remove any related declarations. (ipc_entry_grow_table): Remove declaration. * ipc/ipc_init.c (ipc_bootstrap): Adopt initialization. * ipc/ipc_kmsg.c (ipc_kmsg_copyout_header): Use `ipc_entry_alloc' instead of re-coding it. Adopt free list handling. (ipc_kmsg_copyout_object): Adopt free list handling, store the name. * ipc/ipc_object.c (ipc_object_copyout): Likewise. (ipc_object_copyout_multiname): Likewise. * ipc/ipc_space.c (ipc_space_create): Initialize radix tree and free list. Drop table and splay tree initialization. (ipc_space_destroy): Free ipc entries and radix tree, remove table and splay tree cleanup. * ipc/ipc_space.h (struct ipc_space): Add radix tree, free list, and size. Remove all fields related to the table and splay tree. * ddb/db_print.c (db_port_iterate): Adopt iteration. (db_lookup_port): Adopt lookup. * include/mach_debug/ipc_info.h: Remove unused parts of the debug interface. * include/mach_debug/mach_debug.defs: Likewise. * include/mach_debug/mach_debug_types.defs: Likewise. * ipc/mach_debug.c: Likewise. * ipc/ipc_right.c (ipc_right_reverse): Adopt lookup, store name. (ipc_right_check): Adopt removal. (ipc_right_destroy): Likewise. (ipc_right_dealloc): Likewise. (ipc_right_delta): Likewise. (ipc_right_copyin): Adopt insertion, adopt removal. (ipc_right_copyin_two): Adopt removal. (ipc_right_copyout): Adopt insertion, adopt removal. (ipc_right_rename): Likewise, also update comment. * ipc/mach_port.c (mach_port_names): Adopt iteration. (mach_port_get_set_status): Likewise. * ipc/port.h: Update comment. * ipc/ipc_hash.c: Delete file. * ipc/ipc_hash.h: Likewise. * ipc/ipc_splay.c: Likewise. * ipc/ipc_splay.h: Likewise. * Makefrag.am (libkernel_a_SOURCES): Remove these files.
* include: Fix typos in comments (found by codespell)Stefan Weil2015-01-022-2/+2
| | | | Signed-off-by: Stefan Weil <sw@weilnetz.de>
* include: add X_IMPORTS to ipc definitionsJustus Winter2014-12-093-0/+12
| | | | | | | | This makes it possible to inject imports. * include/mach/gnumach.defs: Make it possible to inject imports. * include/mach/mach.defs: Likewise. * include/mach/mach_host.defs: Likewise.
* kern: provide notifications about new tasksJustus Winter2014-12-092-0/+44
| | | | | | | | | | | | | | These notifications are sent to the port registered via `register_new_task_notification' and provide a robust parental relation between tasks to a userspace server. * Makefrag.am: Add task_notify.defs. * include/mach/gnumach.defs: Add register_new_task_notification. * include/mach/task_notify.defs: New file. * kern/task.c (new_task_notification): New variable. (task_create): Send new task notifications. (register_new_task_notification): Add server function. * kern/task_notify.cli: New file.
* Retire procedure `old_mach_port_get_receive_status'Justus Winter2014-12-093-10/+3
| | | | | | | | | | | | | | | Retire the compatibility RPC `old_mach_port_get_receive_status' that works like `mach_port_get_receive_status' but returns an `old_mach_port_status' object that lacks the `mps_seqno' field. Do not remove the type yet, so we do not break anyones build. The RPC stubs currently distributed with the glibc require it. * include/mach/mach_port.defs (old_mach_port_get_receive_status): Drop RPC. * include/mach/mach_types.defs (old_mach_port_status_t): Drop type. * include/mach/port.h (old_mach_port_status_t): Add note to remove this for the 1.6 release. * ipc/mach_port.c (old_mach_port_get_receive_status): Drop function.
* include: make `mach_port_t' payload-awareJustus Winter2014-11-284-4/+28
| | | | | | | | | | | | Honor a new macro `MACH_PAYLOAD_TO_PORT' to inject a translation function mapping payloads to port names in the definition of `mach_port_t'. * include/mach/std_types.defs (mach_port_t): Honor `MACH_PAYLOAD_TO_PORT'. * include/device/device.defs (reply_port_t): Likewise. * include/device/device_reply.defs (reply_port_t): Likewise. * include/device/device_request.defs (reply_port_t): Likewise.
* include: add a payload-aware intran mutator for device_tJustus Winter2014-11-031-0/+3
| | | | | * include/device/device_types.defs (device_t): Add a payload-aware intran mutator.
* include: add a payload-aware intran mutator for notify_port_tJustus Winter2014-11-031-0/+3
| | | | | * include/mach/notify.defs (notify_port_t): Add a payload-aware intran mutator.
* include: add a payload-aware intran mutator for memory_object_tJustus Winter2014-11-032-0/+16
| | | | | | | * include/mach/mach_types.defs (memory_object_t): Add a payload-aware intran mutator. * include/mach/memory_object.defs: Likewise in the inlined type declarations.
* include: define MACH_MSG_TYPE_PROTECTED_PAYLOADJustus Winter2014-10-011-1/+3
| | | | | | | * include/mach/message.h: Define MACH_MSG_TYPE_PROTECTED_PAYLOAD. (MACH_MSG_TYPE_LAST): Adjust accordingly. * doc/mach.texi (Message Format): Document MACH_MSG_TYPE_PROTECTED_PAYLOAD.
* include: add msgh_protected_payload to mach_msg_header_tJustus Winter2014-10-011-1/+4
| | | | | | * include/mach/message.h (mach_msg_header_t): Add msgh_protected_payload as a union with msgh_local_port. * doc/mach.texi (Message Format): Document msgh_protected_payload.
* ipc: implement mach_port_{set,clear}_protected_payloadJustus Winter2014-10-011-0/+18
| | | | | | | * include/mach/mach_port.defs: Add mach_port_{set,clear}_protected_payload. * ipc/mach_port.c: Implement mach_port_{set,clear}_protected_payload. * doc/mach.texi (Receive Rights): Document mach_port_{set,clear}_protected_payload.
* Rewrite old-style #endif FOO directivesJustus Winter2014-05-258-16/+16
| | | | | | | | | | | | | | | | * i386/include/mach/i386/cthreads.h: Rewrite old-style #endif FOO directives. * include/device/tape_status.h: Likewise. * include/mach/alert.h: Likewise. * include/mach/boot.h: Likewise. * include/mach/default_pager_types.defs: Likewise. * include/mach/default_pager_types.h: Likewise. * include/mach/multiboot.h: Likewise. * include/mach/notify.defs: Likewise. * include/mach_debug/pc_info.h: Likewise. * kern/act.h: Likewise. * kern/refcount.h: Likewise. * kern/shuttle.h: Likewise.
* include: fix the embedded type definitions in memory_object.defsJustus Winter2014-05-251-0/+12
| | | | | | | | | | | | | | | In order to use MIG translation functions to lookup memory objects, preprocessor macros have been introduced into the definition of memory_object_t in 50cc5152. The procedure definitions contain inlined type definitions in order to change the type of the argument in question (i.e. to make it polymorphic). The inline definitions however lack the destructor function, leading to reference leaks when a reference is acquired in the intran function. * include/mach/memory_object.defs: Add the destructor functions to the inlined type definitions.
* include: do not guard the host_slab_info RPC with MACH_VM_DEBUGJustus Winter2014-04-301-6/+6
| | | | | | | | | | | | | | Previously, the definition of the host_slab_info RPC was guarded with MACH_VM_DEBUG, even though it is not at all concerned with the VM subsystem. Furthermore, there was no "skip" directive for host_slab_info. The function host_slab_info is guarded with MACH_DEBUG. The server for the RPCs in mach_debug.defs is only used if MACH_DEBUG is defined. There is no need to guard host_slab_info. * include/mach_debug/mach_debug.defs (host_slab_info): Unconditionally include the RPC.
* include: fix the definition of device_openJustus Winter2014-04-101-1/+10
| | | | | | | | | | | Previously, every userspace server implementing the device protocol filtered the device definitions to replace the device_t type with mach_port_send_t to make the device argument of device_open polymorphic. Rather than doing that, which makes it impossible to use translation functions, fix the definition of device_open. * include/device/device.defs (device_open): Redefine the device argument to make it polymorphic unless a outran function is specified.
* include: make the device_t types translation functions mutableJustus Winter2014-04-081-0/+14
| | | | | | | | | | Make the intran, outtran and destructor functions mutable using preprocessor macros. Make it possible to inject imports using the DEVICE_IMPORTS macro. This way, userspace servers can provide their own translation functions. * include/device/device_types.defs: Honor DEVICE_IMPORTS. (device_t): Make the translation mutable using preprocessor macros.
* include: make the notify_port_t types translation functions mutableJustus Winter2014-04-051-1/+15
| | | | | | | | | | Make the intran, outtran and destructor functions mutable using preprocessor macros. Make it possible to inject imports using the NOTIFY_IMPORTS macro. This way, userspace servers can provide their own translation functions. * include/mach/notify.defs: Honor NOTIFY_IMPORTS. (notify_port_t): Make the translation mutable using preprocessor macros.
* include: make the memory_object_t types translation functions mutableJustus Winter2014-03-253-4/+38
| | | | | | | | | | | | | Make the intran, outtran and destructor functions mutable using preprocessor macros. Make it possible to inject imports using the MEMORY_OBJECT_IMPORTS macro. This way, userspace servers can provide their own translation functions. * include/mach/mach_types.defs (memory_object_t): Make the translation mutable using preprocessor macros. * include/mach/memory_object.defs: Likewise for the inlined type declarations. Honor MEMORY_OBJECT_IMPORTS. * include/mach/memory_object_default.defs: Likewise.
* include: skip routines related to migrating threadsJustus Winter2014-02-191-0/+5
| | | | | * include/mach/mach_port.defs: Skip the routines mach_port_set_rpcinfo and mach_port_create_act if MIGRATING_THREADS is not defined.
* include: add task_set_nameJustus Winter2014-02-051-0/+9
| | | | | | | task_set_name sets the name of a task. This is a debugging aid. The name will be used in error messages printed by the kernel. * include/mach/gnumach.defs (task_set_name): New procedure.
* include: add a fixed-size string type for debugging purposesJustus Winter2014-02-012-0/+13
| | | | | * include/mach/debug.defs: New file. * include/mach/debug.h: Likewise.
* include: add new file for cache-related definitionsJustus Winter2014-01-091-0/+25
| | | | | * include/cache.h (__cacheline_aligned): This macro can be used to align statically allocated objects so that they start at a cache line.
* Mark pure functions with attribute pureMarin Ramesa2013-12-201-4/+4
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* Fix implicit declaration of functionSamuel Thibault2013-12-081-0/+2
| | | | | | | Thanks Marin Ramesa for the report. * device/ds_routines.h (device_deallocate): Move declaration to... * include/device/device_types.h (device_deallocate): ... here.
* Remove unnecessary fileSamuel Thibault2013-12-051-1/+0
| | | | | * i386/Makefrag.am: Don't include i386/include/mach/i386/rpc.h. * i386/include/mach/i386/rpc.h: Remove file.
* New RPC for thread destructionRichard Braun2013-11-241-0/+26
| | | | | | | | | | | A new call, thread_terminate_release, is added to support self destruction in threading libraries. * include/mach/gnumach.defs (thread_terminate_release): New simpleroutine declaration. * kern/thread.c: Include vm/vm_user.h and ipc/mach_port.h. (thread_terminate_release): New function. * kern/thread.h (thread_terminate_release): New prototype.
* Add ifndefsMarin Ramesa2013-11-182-0/+10
| | | | | | | | | | Finish up with the addition of ifndefs. * device/buf.h: Add ifndef. * device/dev_master.h: Likewise. * include/device/tty_status.h: Likewise. * include/mach/version.h: Likewise. * ipc/ipc_machdep.h: Likewise.
* Add initial code for disabling PV pagetablesSamuel Thibault2013-01-281-0/+6
| | | | | | | | | | | | | | | | | | | | | * xen/configfrag.ac (--disable-pv-pagetables): Add option. * i386/xen/xen_boothdr.S (XEN_ELFNOTE_FEATURES) [!MACH_PV_PAGETABLES]: Add writable_page_tables. * i386/i386/gdt.c: Turn appropriate MACH_XEN/MACH_HYP tests into MACH_PV_PAGETABLES tests. * i386/i386/i386asm.sym: Likewise * i386/i386/ldt.c: Likewise * i386/i386/locore.S: Likewise * i386/i386/proc_reg.h: Likewise * i386/i386/user_ldt.c: Likewise * i386/i386/vm_param.h: Likewise * i386/i386/xen.h: Likewise * i386/i386at/model_dep.c: Likewise * i386/intel/pmap.h: Likewise * include/mach/xen.h: Likewise * xen/console.c: Likewise * xen/store.c: Likewise * i386/intel/pmap.c: Likewise. Define pmap_map_mfn as TODO stub.
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