path: root/physmem/ChangeLog

2005-06-24  Neal H. Walfield  <neal@gnu.org>

	* physmem.c (main): Call frame_entry_init and frame_init before
	calling create_bootstrap_caps.
	Reported by Matthieu Lemerre <racin@free.fr>.

2005-06-22  Neal H. Walfield  <neal@gnu.org>

	* priv.h (frame_entry_init): Declare.
	(frame_init): Declare.
	* physmem.c (main): Call frame_entry_init and frame_init.
	* frame-entry.c: Create a frame_entry slab class.  Don't use
	HURD_SLAB_SPACE_INITIALIZER to initialize frame_entry_space.  Do
	it ...
	(frame_entry_init): ... here with hurd_frame_entry_slab_init.
	(frame_entry_constructor): Update argument type given stronger
	type checking.
	(frame_entry_alloc): Call hurd_frame_entry_slab_alloc, not
	hurd_slab_alloc.
	(frame_entry_free): Call hurd_frame_entry_slab_dealloc, not
	hurd_slab_dealloc.
	* frame.c: Create a frame slab class.  Don't use
	HURD_SLAB_SPACE_INITIALIZER to initialize frame_space.  Do it ...
	(frame_init): ... here with hurd_frame_slab_init.
	(frame_constructor): Update argument type given stronger type
	checking.
	(frame_alloc): Call hurd_frame_slab_alloc, not hurd_slab_alloc.
	(frame_free): Call hurd_frame_slab_dealloc, not hurd_slab_dealloc.

2005-04-06  Neal H. Walfield  <neal@gnu.org>

	* physmem.h: Move from here...
	* priv.h: ...to here.  Improve
	comments.
	(extract_access): New function.
	(struct frame): Add lock field.  Change type of may_be_mapped
	field from bool to l4_word_t.
	(struct frame_entry): Add container, shared_next and shared_prevp
	fields.
	(frame_entry_free): Renamed from frame_entry_dealloc.  Update
	callers.
	(frame_entry_create): Renamed from frame_entry_new.  Update
	callers.
	(frame_entry_use): Renamed from frame_entry_use_frame.  Update
	callers.
	(frame_entry_copy): New declaration.
	(frame_entry_destroy): Renamed from frame_entry_drop.  Update
	callers.
	(frame_entry_map): New declaration.
	(frame_entry_deallocate): New declaration.
	(frame_memory_bind): Assert that FRAME->LOCK is locked.
	(frame_release): New definition.
	(container_attach): Renamed from frame_entry_attach.  Update
	callers.
	(frame_entry_detach): Renamed from frame_entry_detach.  Update
	callers.
	* frame.c: Don't include "physmem.h".  Include "priv.h" and
	<pthread.h>.
	(frame_dump): New function.
	(frame_constructor): Initialize FRAME->LOCK and lock it.
	(frame_space): It is a space of frame structures, no frame_entry
	structures.  Fix typo.
	(frame_alloc): Initialize FRAME_MAY_BE_MAPPED.  Assert FRAME->LOCK
	is locked.
	(frame_deref): When unmapping a frame, assert that FRAME->MEMORY
	points to memory.  Unlock FRAME->LOCK on return.  Add sanity
	checks.
	(frame_add_user): Assert that FRAME->LOCK is locked.
	(frame_drop_user): Assert that FRAME->LOCK is locked.  Don't drop
	a reference.
	* frame-entry.c: Include <string.h> and "zalloc.h".
	(frame_entry_constructor): New function.
	(frame_entry_space): Use it.
	(frame_entry_dump): Don't mark as static.  Improve output.  Add
	some sanity checks.
	(frame_entry_alloc): Assert that FRAME_ENTRY->SHARED_NEXT and
	FRAME_ENTRY->SHARED_PREVP are correct.
	(frame_entry_free): Add sanity checks.
	[!NDEBUG]: Clear memory.
	(frame_entry_share_with): New function.
	(frame_entry_create): Assert CONT->LOCK is held.  Initialize
	FRAME_ENTRY->CONTAINER.  Initialize share list.
	(frame_entry_copy): New function.
	(frame_entry_use): Assert CONT->LOCK and SOURCE->LOCK are held.
	Set FRAME_ENTRY->CONTAINER.  Initialize share list.
	(frame_entry_destroy): If CONT is NULL, don't try to detach
	FRAME_ENTRY from a container.  Assert CONT->LOCK in CONT is
	non-NULL and SOURCE->LOCK are held.  Correctly update COW count.
	Only unlock FRAME_ENTRY->LOCK if DO_UNLOCK is true.
	(frame_entry_attach): Moved to container.c and renamed to
	container_attach.
	(frame_entry_detach): Moved to container.c and renamed to
	container_detach.
	(frame_entry_map): New function.
	(frame_entry_deallocate): New function.
	* container.c: Include <string.h> and "priv.h".
	(container_dump): New function.
	(container_attach): Moved from frame-entry.c and renamed from
	frame_entry_attach.
	(container_detach): Moved from frame-entry.c and renamed from
	frame_entry_detach.
	(container_allocate): Lock CONT->LOCK.  Don't check the return
	value of FRAME_ENTRY_ALLOC for errors: it is guaranteed to
	succeed.  Unlock FE->FRAME->LOCK and CONT->LOCK.
	(container_deallocate): Lock CONT->LOCK.  Refactor iteration.
	Rewrite body to use frame_entry_deallocate.  Return the number of
	bytes allocated.
	(container_map): Refactor iteration.  Rewrite body to use
	frame_entry_map.
	(container_copy): If HURD_PM_CONT_ALL_OR_NONE is set try better to
	make sure the operation won't fail mid-flight.  Lock
	SFE->FRAME->LOCK.  If the copy is a copy on write and the frame
	has extant write mappings, remove them.
	(container_ops): Moved to physmem.h.  Preface names with hurd_pm_
	to reflect presence in the global name space.
	(container_demuxer): If the invoke method produces returns an
	error code, emit a debugging message.
	(container_alloc) [!NDEBUG]: Lock CONT->LOCK.
	Unlock FE->FRAME->LOCK.
	(container_init): New function.
	(container_reinit): Assert CONT->LOCK is held.
	(container_class_init): Use CONTAINER_INIT.

	* physmem.h: New file.
	* headers.m4: New file.
	* physmem.c: Don't include "physmem.h".  Include "priv.h".
	* ia32-cmain.c: Likewise.

2005-03-09  Neal H. Walfield  <neal@gnu.org>

	* container.c (container_allocate): Set err to ENOMEM when
	frame_entry_alloc fails.

2005-03-09  Neal H. Walfield  <neal@gnu.org>

	* container.c (container_map): Update argument marshalling.
	Sanity check SIZE and VADDR.
	(container_copy): Strengthen the argument checking.

2005-03-08  Neal H. Walfield  <neal@gnu.org>

	* container.c (container_create): Lock OBJ before calling
	hurd_cap_obj_drop.
	Reported by Matthieu Lemerre <racin@free.fr>.

2005-03-08  Neal H. Walfield  <neal@gnu.org>

	* physmem.h (struct frame): Add field cow.
	(frame_entry_use_frame): Rename from frame_entry_use.  Change
	interface such that FRAME must refer to a valid frame.  Update
	users.
	(frame_add_user): Rename from frame_add.  Update users.
	(frame_drop_user): Rename from frame_drop.  Update users.
	* container.c (container_map): Take FRAME_ENTRY->FRAME_OFFSET
	into account when determining the physical memory.
	(container_copy): New function.
	(enum container_ops): Add container_copy_id.
	(container_demuxer): Recognize container_copy_id.
	* frame-entry.c (frame_entry_new): Allocate FRAME_ENTRY->frame.
	Add FRAME_ENTRY as a user of the allocated frame.  Update callers.
	(frame_entry_use_frame): Add FRAME_ENTRY as a user of FRAME.
	(frame_entry_drop): Drop FRAME_ENTRY as a user of the underlying
	frame.
	* frame.c (frame_constructor): Initialize FRAME->cow.
	(frame_alloc): Add an assert.

2005-01-11  Neal H. Walfield  <neal@gnu.org>

	* Makefile.am (physmem_SOURCES): Add frame-entry.c and frame.c
	(physmem_LDADD): Add ../libhurd-btree/libhurd-btree.a.
	* frame-entry.c: New file.
	* frame.c: New file.
	* README: Rewrite.
	* container.c: Likewise.
	* physmem.h: Likewise.
	* physmem.c (create_bootstrap_caps): Change container_t to struct
	container *.

2005-01-07  Neal H. Walfield  <neal@gnu.org>

	* output.h (debug): Preface __VA_ARGS__ with ## thereby making it
	optional.

2004-11-17  Neal H. Walfield  <neal@gnu.org>

	* Makefile.am (bootdir): New variable.
	(boot_PROGRAMS): Use this instead of noinst_PROGRAMS.

2004-11-17  Neal H. Walfield  <neal@gnu.org>

	* output.h (debug): Include program_name and __FUNCTION__ in
	output.
	* physmem.c (create_bootstrap_caps): First argument to
	debug must be a constant format string.

2004-11-01  Marcus Brinkmann  <marcus@gnu.org>

	* container.c (struct container, container_t): Remove member OBJ.
	Move struct and typedef to ...
	* physmem.h (struct container, container_t): ... here.
	(container_alloc): Change type of last argument in prototype to a
	pointer to a container_t.
	* container.c (container_reinit, container_map): Use
	hurd_cap_obj_to_user instead cast.
	(container_class_init): Provide type instead size and alignment.
	(container_alloc): Add new variable OBJ and use hurd_cap_obj_to_user.
	Change type of last argument to a pointer to container_t.
	* physmem.c (create_bootstrap_caps): New variable CONTAINER.
	Use hurd_cap_obj_from_user to get at the object.

	* container.c: Include "zalloc.h".

	* physmem.c (create_bootstrap_caps): Remove unused variables
	STARTUP_CAP, NR_FPAGES, FPAGES.

2004-10-29  Marcus Brinkmann  <marcus@gnu.org>

	* ia32-cmain.c (switch_thread): Correct start of small sub stack
	address.  Reported by Rian Hunter <hurd@thelaststop.net>.

2004-10-28  Marcus Brinkmann  <marcus@gnu.org>

	* physmem.c (get_task_cap): Removed.
	(bootstrap_final): New function.
	(main): Call bootstrap_final, not get_task_cap.

2004-10-27  Marcus Brinkmann  <marcus@gnu.org>

	* container.c (container_map): Call l4_fpage_xspan instead of
	l4_fpage_span.

2004-10-25  Marcus Brinkmann  <marcus@gnu.org>

	* physmem.c (physmem_server): Call hurd_cap_bucket_worker_alloc.

2004-10-20  Marcus Brinkmann  <marcus@gnu.org>

	* malloc-wrap.c: Do not include zalloc.h here.
	(USE_MALLOC_LOCK): Define.

2004-07-16  Bas Wijnen  <b.wijnen@phys.rug.nl>

	* physmem.c (physmem_server): Added missing parameter.

2004-04-26  Marcus Brinkmann  <marcus@gnu.org>

	* physmem.c: Include <hurd/wortel.h>.
	(wortel_thread_id, wortel_cap_id): New variables.
	(get_all_memory): Rewritten using wortel interface.
	(create_bootstrap_caps): Likewise.
	(get_threads): Likewise.
	(get_task_cap): Likewise.
	(main): Initialize wortel_thread_id.
	* output.c (shutdown): Include <hurd/wortel.h>.
	(shutdown): Rewritten using wortel interface.
	(putchar): Rewritten using wortel interface.

2004-04-15  Marcus Brinkmann  <marcus@gnu.org>

	* container.c (container_map): New function.
	(container_demux): Call container_map.

2004-04-11  Marcus Brinkmann  <marcus@gnu.org>

	* physmem.c (get_task_cap): New function.
	(main): Call get_task_cap.

	* container.c (container_reinit): Unmap the fpages before
	returning them to the pool.

2004-04-10  Marcus Brinkmann  <marcus@gnu.org>

	* container.c: Include <l4/space.h>.  Use L4_FPAGE_SPAN_MAX
	instead MAX_FPAGES everywhere.
	(container_reinit): New function.
	(container_class_init): Pass container_reinit as reinit function.
	(MAX_FPAGES): Removed.

2004-04-09  Marcus Brinkmann  <marcus@gnu.org>

	* container.c: Revert last change.
	* physmem.h: Revert last change.
	* physmem.c (MAX_FPAGES): Removed macro.
	(create_bootstrap_caps): Use L4_FPAGE_SPAN_MAX, not MAX_FPAGES.
	Update bootstrap cap code to new wortel interface (essentially
	reverting the last change).

	* physmem.h: Include <stdbool.h>.
	* container.c (struct container): Add member mapped.
	(container_alloc): Add new argument mapped.  Initialize
	CONTAINER->mapped.

	* Makefile.am (physmem_LDADD): Add
	../libhurd-cap-server/libhurd-cap-server.a and
	../libhurd-slab/libhurd-slab.a.
	(physmem_SOURCES): Add container.c.
	* container.c: New file.
	* physmem.h: Include <hurd/cap-server.h> and <errno.h>.
	(container_class_init, container_alloc): New prototypes.
	* physmem.c (create_bootstrap_caps): Take new argument bucket.
	Create container capabilities and inject them into the bucket.
	(getpagesize): New temporary helper function.
	(physmem_server): New function.
	(main): New variable BUCKET.  Create capability bucket.  Pass
	BUCKET to create_bootstrap_caps.  New variable MANAGER.  Create
	manager thread.

2004-04-06  Marcus Brinkmann  <marcus@gnu.org>

	* physmem.c (setup_threads): Add threads to pool after creating
	main thread.  Don't overwrite server_thread with an incorrect
	value at the end.

2004-03-19  Marcus Brinkmann  <marcus@gnu.org>

	* physmem.c (WORTEL_MSG_GET_THREADS): New macro.
	(setup_threads): Request number of extra threads from wortel.  Add
	them to the pool.

	* output.h (shutdown): Add noreturn attribute to prototype.
	* output.c (shutdown): Add noreturn attribute.  Sleep forever.

	* config.m4 (HURD_LOAD_ADDRESS): Change load address to 0x400000.
	* physmem.c: Include pthread.h.
	(setup_threads): New function.
	(main): New variable SERVER_THREAD.  Call setup_threads.
	(exit, abort): New functions.
	* physmem.h (switch_thread): Add prototype.
	* ia32-cmain.c (switch_thread): New function.
	(__thread_stack_pointer): New macro.
	(__thread_set_stack_pointer): New macro.
	* Makefile.am (physmem_LDADD): Add ../libpthread/libpthread.a and
	../libhurd-ihash/libhurd-ihash.a.

2004-03-16  Marcus Brinkmann  <marcus@gnu.org>

	* output.c (putchar): Replace all &msg with msg.  Update
	everything to new API.
	* physmem.c: Likewise.

2003-10-26  Marcus Brinkmann  <marcus@gnu.org>

	* Makefile.am (physmem_CPPFLAGS): Use top_builddir for include
	directory.

2003-10-24  Daniel Wagner  <wagi@gmx.ch>

	* Makefile.am (physmem_CPPFLAGS): Use top_scrdir instead of 
	top_builddir.

2003-10-16  Marcus Brinkmann  <marcus@gnu.org>

	* output.c (shutdown): New function.
	* physmem.c: Include <stdlib.h>.
	(get_all_memory): Update to match new wortel interface.
	(create_bootstrap_caps): New function.
	(main): Call create_bootstrap_caps.

2003-10-12  Marcus Brinkmann  <marcus@gnu.org>

	* config.m4: New file.
	* Makefile.am (physmem_LDFLAGS): Replace load address with
	@HURD_PHYSMEM_LOAD_ADDRESS@.

2003-09-24  Marcus Brinkmann  <marcus@gnu.org>

	* mmap.c: New file.
	* Makefile.am (physmem_SOURCES): Add mmap.c.
	* malloc-wrap.c (LACKS_SYS_MMAN_H, mmap, munmap, PROT_READ,
	PROT_WRITE, MAP_PRIVATE, MAP_ANONYMOUS, MUNMAP_FAILURE): Remove
	macros.

2003-09-22  Marcus Brinkmann  <marcus@gnu.org>

	* Makefile.am (AM_CPPFLAGS, physmem_CFLAGS): Removed.
	(physmem_CPPFLAGS): New variable.
	(physmem_SOURCES): Add malloc-wrap.c.
	(EXTRA_physmem_SOURCES): New variable.
	* malloc.c, malloc-wrap.c: New files.

2003-09-21  Marco Gerards  <metgerards@student.han.nl>

	* Makefile.am (AM_CPPFLAGS): New variable.

2003-09-19  Marcus Brinkmann  <marcus@gnu.org>

	* physmem.c: Include "zalloc.h".
	* zalloc.c: Include <string.h>, not <strings.h>.
	(add_block): Add missing return type.
	(zalloc_dump_zones): Use %p for pointer.

	* zalloc.c (L4_MIN_PAGE_SHIFT): Remove macro.
	(ZONE_SIZE): Use L4_MIN_PAGE_SIZE_LOG2 instead of L4_MIN_PAGE_SHIFT.
	(ZONES): Likewise.
	(zfree): Likewise.
	(zalloc): Likewise.

	* physmem/Makefile.am (physmem_SOURCES): Remove getpagesize.c.
	* getpagesize.c: File removed.
	* physmem/zalloc.c (zfree): Use l4_min_page_size() instead
	getpagesize().
	(zalloc): Likewise.
	(zalloc_dump_zones): Likewise.