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2011-12-17Remove the defunct kernel_task_create() functionRichard Braun
The kmem_suballoc() function, which has been replaced with kmem_submap(), is called by kernel_task_create(). Rather than update it, remove this now unused function. * kern/task.c (kernel_task_create): Remove function. * kern/task.h (kernel_task_create): Remove prototype.
2011-12-17Fix kern/kalloc.h includesRichard Braun
* device/dev_pager.c: Remove #include <kern/kalloc.h>. * i386/i386/io_perm.c: Add #include <kern/kalloc.h>. * kern/bootstrap.c: Likewise. * kern/ipc_tt.c: Likewise. * kern/pc_sample.c: Likewise. * kern/processor.c: Likewise. * kern/server_loop.ch: Likewise. * kern/thread.c: Likewise. * linux/dev/glue/block.c: Likewise. * linux/dev/glue/net.c: Likewise. * vm/vm_map.c: Likewise. * xen/block.c: Likewise. * xen/net.c: Likewise. * xen/store.c: Likewise.
2011-12-17Adjust VM initializationRichard Braun
Unlike the zone allocator, the slab code can't be fed with an initial chunk of memory. Some VM objects used early during startup now have to be statically allocated, and kernel map entries need a special path to avoid recursion when being allocated. * vm/vm_map.c (vm_submap_object_store): New variable. (vm_submap_object): Point to vm_submap_object_store. (kentry_data_size): Initialize to arbitrary value. (kentry_count): Remove variable. (kentry_pagealloc): New function. (vm_map_setup): Likewise. (vm_map_create): Replace initialization with a call to vm_map_setup(). * vm/vm_map.h (vm_map_setup): New prototype. * vm/vm_kern.c (kernel_map_store): New variable. (kernel_map): Point to kernel_map_store. (kmem_suballoc): Remove function. Replaced with... (kmem_submap): New function. (kmem_init): Call vm_map_setup() instead of vm_map_create(). * vm/vm_kern.h (kmem_suballoc): Remove prototype. (kmem_submap): New prototype. * vm/vm_object.c (kernel_object_store): New variable. (kernel_object): Point to kernel_object_store. (vm_object_template): Change type from vm_object_t to struct vm_object. (_vm_object_setup): New function. (_vm_object_allocate): Replace initialization with a call to _vm_object_setup(). (vm_object_bootstrap): Don't allocate vm_object_template, and use it as a structure instead of a pointer. Initialize kernel_object and vm_submap_object with _vm_object_setup() instead of _vm_object_allocate(). * vm/vm_resident.c (vm_page_bootstrap): Don't initialize kentry_data_size. * device/ds_routines.c (device_io_map_store): New variable. (device_io_map): Point to device_io_map_store. (mach_device_init): Call kmem_submap() instead of kmem_suballoc(). * ipc/ipc_init.c (ipc_kernel_map_store): New variable. (ipc_kernel_map): Point to ipc_kernel_map_store.
2011-12-17Adjust the kernel to use the slab allocatorRichard Braun
* device/dev_lookup.c: Replace zalloc header, types and function calls with their slab counterparts. * device/dev_pager.c: Likewise. * device/ds_routines.c: Likewise. * device/io_req.h: Likewise. * device/net_io.c: Likewise. * i386/i386/fpu.c: Likewise. * i386/i386/io_perm.c: Likewise. * i386/i386/machine_task.c: Likewise. * i386/i386/pcb.c: Likewise. * i386/i386/task.h: Likewise. * i386/intel/pmap.c: Likewise. * i386/intel/pmap.h: Remove #include <kernel/zalloc.h>. * include/mach_debug/mach_debug.defs (host_zone_info): Replace routine declaration with skip directive. (host_slab_info): New routine declaration. * include/mach_debug/mach_debug_types.defs (zone_name_t) (zone_name_array_t, zone_info_t, zone_info_array_t): Remove types. (cache_info_t, cache_info_array_t): New types. * include/mach_debug/mach_debug_types.h: Replace #include <mach_debug/zone_info.h> with <mach_debug/slab_info.h>. * ipc/ipc_entry.c: Replace zalloc header, types and function calls with their slab counterparts. * ipc/ipc_entry.h: Likewise. * ipc/ipc_init.c: Likewise. * ipc/ipc_marequest.c: Likewise. * ipc/ipc_object.c: Likewise. * ipc/ipc_object.h: Likewise. * ipc/ipc_space.c: Likewise. * ipc/ipc_space.h: Likewise. * ipc/ipc_table.c (kalloc_map): Remove extern declaration. * kern/act.c: Replace zalloc header, types and function calls with their slab counterparts. * kern/kalloc.h: Add #include <vm/vm_types.h>. (MINSIZE): Remove definition. (kalloc_map): Add extern declaration. (kget): Remove prototype. * kern/mach_clock.c: Adjust comment. * kern/processor.c: Replace zalloc header, types and function calls with their slab counterparts. * kern/startup.c: Remove #include <kernel/zalloc.h>. * kern/task.c: Replace zalloc header, types and function calls with their slab counterparts. * kern/thread.c: Likewise. * vm/memory_object_proxy.c: Likewise. * vm/vm_external.c: Likewise. * vm/vm_fault.c: Likewise. * vm/vm_init.c: Likewise. * vm/vm_map.c: Likewise. * vm/vm_object.c: Likewise. * vm/vm_page.h: Remove #include <kernel/zalloc.h>. * vm/vm_pageout.c: Replace zalloc header, types and function calls with their slab counterparts. * vm/vm_resident.c: Likewise. (zdata, zdata_size): Remove declarations. (vm_page_bootstrap): Don't steal memory for the zone system.
2011-12-17Import the slab allocatorRichard Braun
As it is intended to completely replace the zone allocator, remove it on the way. So long to the venerable code ! * Makefrag.am (libkernel_a_SOURCES): Add kern/slab.{c,h}, remove kern/kalloc.c and kern/zalloc.{c,h}. * configfrag.ac (SLAB_VERIFY, SLAB_USE_CPU_POOLS): Add defines. * i386/Makefrag.am (libkernel_a_SOURCES): Remove i386/i386/zalloc.h. * i386/configfrag.ac (CPU_L1_SHIFT): Remove define. * include/mach_debug/slab_info.h: New file. * kern/slab.c: Likewise. * kern/slab.h: Likewise. * i386/i386/zalloc.h: Remove file. * include/mach_debug/zone_info.h: Likewise. * kern/kalloc.c: Likewise. * kern/zalloc.c: Likewise. * kern/zalloc.h: Likewise.
2011-12-17Import utility filesRichard Braun
* Makefrag.am (libkernel_a_SOURCES): Add kern/list.h, kern/rbtree.c, kern/rbtree.h and kern/rbtree_i.h. * kern/list.h: New file. * kern/rbtree.c: Likewise. * kern/rbtree.h: Likewise. * kern/rbtree_i.h: Likewise. * kern/macro_help.h (MACRO_BEGIN): Use GNU C compound statement enclosed in parentheses. (MACRO_END): Likewise.
2011-11-27Keep frame pointer when debugger is enabledSamuel Thibault
* Makefrag.am (AM_CFLAGS) [enable_kdb]: Add -fno-omit-frame-pointer.
2011-10-16Merge branch 'master' of callisto:gnumachSamuel Thibault
2011-10-16Do not map xen driver pagesSamuel Thibault
* xen/block.c (hyp_block_init): Use vm_page_grab_phys_addr instead of kmem_alloc_wired to allocate driver pages. * xen/net.c (hyp_net_init): Likewise.
2011-10-16Increase kmem area for the Xen case.Samuel Thibault
Kernel tacks are 4 pages in the Xen case, so we need more kmem space. * i386/i386/vm_param.h (VM_KERNEL_MAP_SIZE) [MACH_XEN]: Increase to 224MiB.
2011-10-10Raise block device interrupt level to SPL6Samuel Thibault
* linux/dev/drivers/block/genhd.c (device_setup): Set linux_intr_pri to SPL6. * linux/dev/glue/block.c (init_partition, device_open): Likewise.
2011-10-10Raise Linux kmem memory sizeSamuel Thibault
* linux/dev/glue/kmem.c (MEM_CHUNKS): Increase to 32.
2011-10-10Leave interrupts enabled in sym53c8xx driverSamuel Thibault
The driver can work with them, and request_irq works fine with them. * linux/src/drivers/scsi/sym53c8xx.c (ncr_attach): Do not pass SA_INTERRUPT to request_irq().
2011-10-09Define BITS_PER_LONG for Linux codeSamuel Thibault
* linux/src/include/asm-i386/types.h (BITS_PER_LONG): Define to 32.
2011-10-08Add sym53c8xx driver from linux 2.2Samuel Thibault
This driver supports qemu's SCSI host device. Unfortunately it seems to be breaking the network device, so test with care. * linux/Makefrag.am (liblinux_a_SOURCES): Add linux/src/drivers/scsi/sym53c8xx{.c,_comm.h,.h,_defs.h} * linux/configfrag.ac: Add AC_Linux_DRIVER([sym53c8xx] to enable CONFIG_SCSI_SYM53C8XX. * linux/dev/glue/kmem.c (MEM_CHUNKS): Increase to 16. * linux/src/drivers/scsi/hosts.c [CONFIG_SCSI_SYM53C8XX]: Include "sym53c8xx.h". (builtin_scsi_hosts): include SYM53C8XX.
2011-09-28fix copy out-of-line data when length >= 512MBSergio Lopez
* ipc/ipc_kmsg.c (ipc_kmsg_copyin_body): Change length type to unsigned64_t. Cast number to unsigned64_t. (ipc_kmsg_copyout_body): Likewise.
2011-09-28Make thread_suspend honor the TH_UNINT flagSergio López
Interrupting a thread without a continuation, puts it in a inconsistent state. This is the cause for the bug described in https://lists.gnu.org/archive/html/bug-hurd/2011-09/msg00148.html * kern/thread.c (thread_suspend): Fail with KERN_FAILURE if thread is uninterruptible.
2011-09-12Remove unused [!MACH_KERNEL] driver codeGuillem Jover
Use «unifdef -DMACK_KERNEL=1» as a starting point, but only remove the code not exposed on public headers, the rest is needed to build properly from userland. * device/cons.c [!MACH_KERNEL]: Remove includes. [!MACH_KERNEL] (constty): Remove variable. (cninit, cnmaygetc) [MACH_KERNEL]: Remove preprocessor conditionals. [!MACH_KERNEL] (cnopen, cnclose, cnread, cnwrite, cnioctl, cnselect) (cncontrol): Remove functions. * device/cons.h (struct consdev) [MACH_KERNEL]: Remove preprocessor conditional. * device/kmsg.h [MACH_KERNEL]: Likewise. * i386/i386at/autoconf.c [!MACH_KERNEL]: Remove includes. * i386/i386at/kd_event.c [!MACH_KERNEL]: Likewise. [!MACH_KERNEL] (kbd_sel, kbdpgrp, kbdflag): Remove variables. [!MACH_KERNEL] (KBD_COLL, KBD_ASYNC, KBD_NBIO): Remove macros. (kbdopen, kbdclose, kbd_enqueue) [!MACH_KERNEL]: Remove code. [!MACH_KERNEL] (kbdioctl, kbdselect, kbdread): Remove functions. [!MACH_KERNEL] (X_kdb_enter_init, X_kdb_exit_init: Likewise. * i386/i386at/kd_mouse.c [!MACH_KERNEL]: Remove includes. [!MACH_KERNEL] (mouse_sel, mousepgrp, mouseflag): Remove variables. [!MACH_KERNEL] (MOUSE_COLL, MOUSE_ASYNC, MOUSE_NBIO): Remove macros. (mouseopen, mouseclose, kd_mouse_read, mouse_enqueue) [!MACH_KERNEL]: Remove code. [!MACH_KERNEL] (mouseioctl, mouseselect, mouseread): Remove functions. * i386/i386at/lpr.c [!MACH_KERNEL]: Remove includes. (lpropen) [MACH_KERNEL]: Remove preprocessor conditionals. (lpropen, lprclose, lprstart) [!MACH_KERNEL]: Remove code. [!MACH_KERNEL] (lprwrite, lprioctl, lprstop): Remove functions. * i386/i386at/rtc.c (readtodc, writetodc) [!MACH_KERNEL]: Remove code. * kern/mach_factor.c [MACH_KERNEL]: Remove preprocessor conditional. * xen/time.c (readtodc) [!MACH_KERNEL]: Remove code.
2011-09-09Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/gnumachSamuel Thibault
2011-09-09Do not take unused strpbrk() from libcGuillem Jover
* Makefile.am (clib_routines): Remove strpbrk.
2011-09-06* .gitignore: Tighten some rules, and distribute others to...Thomas Schwinge
* doc/.gitignore: ... here; * i386/i386/.gitignore: ... here; * tests/.gitignore: ..., and here.
2011-09-06* i386/i386/pcb.h (stack_attach): Parameterize the continuation parameter'sThomas Schwinge
parameter list. * i386/i386/pcb.c (stack_attach): Likewise.
2011-09-06Move i386/i386/locore.S declarations.Thomas Schwinge
* i386/i386/trap.c (recover_table, recover_table_end, retry_table) (retry_table_end): Move declarations to... * i386/i386/locore.h: ... here.
2011-09-06Further prototyping work for memory_object_proxy.c functions.Thomas Schwinge
* vm/memory_object_proxy.h: Add #includes. (memory_object_proxy_lookup): New declaration. * vm/memory_object_proxy.c: #include <vm/memory_object_proxy.h>. * vm/vm_user.c: Likewise. (memory_object_proxy_lookup): Drop declaration. Parts based on a patch by Fridolín Pokorný <fridolin.pokorny@gmail.com>.
2011-09-05Drop module memory free verbositySamuel Thibault
* kern/bootstrap.c (bootstrap_create): Do not show freed module memory.
2011-09-05Free memory used by boot modulesSamuel Thibault
* vm/vm_resident.c (pmap_startup): Warn when some pages could not be included in the allocator due to bad estimation. * kern/bootstrap.c: Include <vm/pmap.h>. (bootstrap_create): Call vm_page_create on bootstrap modules content.
2011-09-03Add prototypes for memory_object_proxy.c functionsFridolín Pokorný
* vm/memory_object_proxy.h: Add file. * vm/vm_init.c: Include <vm/memory_object_proxy.h>. * kern/ipc_kobject.c: Likewise. * Makefile.am (libkernel_a_SOURCES): Add vm/memory_object_proxy.h.
2011-09-03Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/gnumachSamuel Thibault
2011-09-02Remove long obsolete RPC routinesGuillem Jover
* kern/compat_xxx_defs.h: Remove file. * Makefrag.am (libkernel_a_SOURCES): Remove `kern/compat_xxx_defs.h'. * include/mach/mach_types.defs (xxx_emulation_vector_t): Remove type. * device/device.srv: Do not simport <kern/compat_xxx_defs.h>. * kern/mach.srv: Likewise. * kern/mach_host.srv: Likewise. * include/device/device.defs [MACH_KERNEL]: Do not simport <kern/compat_xxx_defs.h>. (xxx_device_set_status, xxx_device_get_status) (xxx_device_set_filter): Replace routine declarations with skip directives. * include/mach/mach.defs [MACH_KERNEL]: Do not simport <kern/compat_xxx_defs.h>. (xxx_memory_object_lock_request, xxx_task_get_emulation_vector) (xxx_task_set_emulation_vector, xxx_host_info, xxx_slot_info) (xxx_cpu_control, xxx_task_info, xxx_thread_get_state) (xxx_thread_set_state, xxx_thread_info): Replace routine declarations with skip directive. * include/mach/mach_host.defs [MACH_KERNEL]: Do not simport <kern/compat_xxx_defs.h>. (yyy_host_info, yyy_processor_info, yyy_processor_control) (xxx_processor_set_default_priv, yyy_processor_set_info): Replace routine declarations with skip directive. * kern/ipc_host.c (xxx_processor_set_default_priv): Remove function. * kern/machine.c (xxx_host_info, xxx_slot_info) (xxx_cpu_control): Likewise. * kern/syscall_emulation.c (xxx_task_set_emulation_vector) (xxx_task_get_emulation_vector): Likewise. * vm/memory_object.c (xxx_memory_object_lock_request): Likewise.
2011-09-02Do not remap errno codes from E* to LINUX_E*Guillem Jover
Mach no longer uses any of the old and clashing errno E* codes, so it's safe to use them now w/o namespacing. This also means one less modification needed to the Linux code. * linux/dev/include/asm-i386/errno.h: Remove file. * linux/dev/kernel/dma.c (notifier_chain_unregister) [MACH_INCLUDE]: Remove code. * linux/dev/include/linux/notifier.h: Likewise. * linux/dev/arch/i386/kernel/irq.c (setup_x86_irq): Rename LINUX_EBUSY to EBUSY. (request_irq): Rename LINUX_EINVAL to EINVAL. * linux/dev/glue/block.c (register_blkdev): Rename LINUX_EBUSY to EBUSY and LINUX_EINVAL to EINVAL. (unregister_blkdev): Rename LINUX_EINVAL to EINVAL. (rdwr_partial) Rename LINUX_ENOMEM to ENOMEM and LINUX_EIO to EIO. * linux/dev/glue/misc.c (linux_to_mach_error): Rename LINUX_EPERM to EPERM, LINUX_EIO to EIO, LINUX_ENXIO to ENXIO, LINUX_EACCES to EACCES, LINUX_EFAULT to EFAULT, LINUX_EBUSY to EBUSY, LINUX_EINVAL to EINVAL, LINUX_EROFS to EROFS, LINUX_EWOULDBLOCK to EWOULDBLOCK and LINUX_ENOMEM to ENOMEM. (verify_area): Rename LINUX_EFAULT to EFAULT. * linux/dev/kernel/resource.c (check_region): Rename LINUX_EBUSY to EBUSY. * linux/dev/kernel/sched.c (__do_down): Rename LINUX_EINTR to EINTR.
2011-09-02Use Mach native error codes instead of POSIX errno E* onesGuillem Jover
* device/errno.h: Remove file. * Makefrag.am (libkernel_a_SOURCES): Remove `device/errno.h'. * i386/i386at/com.c: Include <device/device_types.h> instead of <device/errno.h>. (comopen): Replace ENXIO with D_NO_SUCH_DEVICE. * i386/i386at/kd_event.c: Include <device/device_types.h> instead of <device/errno.h>. * i386/i386at/kd_mouse.c: Likewise. (mouseopen): Replace ENODEV with D_NO_SUCH_DEVICE and EBUSY with D_ALREADY_OPEN. * i386/i386at/lpr.c: Include <device/device_types.h> instead of <device/errno.h>. (lpropen): Replace ENXIO with D_NO_SUCH_DEVICE and EBUSY with D_ALREADY_OPEN.
2011-09-02Change argument name to match function body usageGuillem Jover
Otherwise the function wrongly uses the global symbol. * linux/src/drivers/scsi/ppa.c (ppa_nibble_in): Rename `str_p' argument to `base'.
2011-09-02Disable set but unused variableGuillem Jover
* linux/src/drivers/scsi/gdth.c (gdth_detect): Conditionalize `b' on [LINUX_VERSION_CODE < 0x020000]. Do not preset it to 0, it's initialized later on when needed.
2011-09-02Remove set but unused variablesGuillem Jover
* linux/dev/drivers/block/floppy.c (setup_rw_floppy): Remove `dflags'. (floppy_eject): Remove `dummy'. * linux/src/drivers/net/8390.c (ethdev_init): Remove `ei_local'. * linux/src/drivers/scsi/ppa.c (ppa_detect): Remove `ppb'.
2011-09-02Cast addr argument to vm_offset_tGuillem Jover
* linux/dev/glue/kmem.c (vfree): Cast `addr' argument on kfree_mem function to vm_offset_t.
2011-09-02Add vsnprintf prototypeGuillem Jover
* kern/printf.h (vsnprintf): New prototype.
2011-09-02Add missing headersGuillem Jover
* linux/dev/init/main.c: Include <linux/pci.h>. * linux/dev/kernel/printk.c: Include <kern/printf.h>.
2011-09-01Add missing header file to the distribution.Ludovic Courtès
* linux/Makefrag.am (liblinux_a_SOURCES): Add `linux/dev/glue/glue.h', which appeared in commit 2b4bff9914d57bff600ac70194b8b1aab3485bee ("Fix declarations").
2011-09-01Fix documentationSamuel Thibault
2011-09-01Close kernel stacks.Samuel Thibault
* i386/i386/pcb.c (stack_attach): Initialize ebp to 0.
2011-09-01Fix PC samplingSamuel Thibault
interrupt.S now saves the IRQ on the stack to acknowledge it later. * i386/i386/hardclock.c (hardclock): Add irq parameter. * i386/i386at/kd.c (kdintr, kdcheckmagic): Remove regs parameter. * i386/i386at/kd.h (kdintr): Likewise.
2011-08-31Add silent rules support if available and disable it by defaultGuillem Jover
* configure.ac (AM_SILENT_RULES): Add silent rules support if available, and disable it by default. * Makefile.am (AWK_V, AWK_V_, AWK_V_0): New variables. (NM_V, NM_V_, NM_V_0): Likewise. (GZIP_V, GZIP_V_, GZIP_V_0): Likewise. (MIGCOM_V, MIGCOM_V_, MIGCOM_V_0): Likewise. (gnumach-undef): Use NM_V in front of NM. (gnumach-undef-bad): Use AM_V_GEN in front of sed. (clib-routines.o): Use AM_V_at in fron of undefined symbols check. Use AM_V_CCLD in front of CCLD. * Makefrag.am (gnumach.msgids): Use AM_V_GEN in front of cat. * Makerules.am (%.symc): Use AWK_V in front of AWK. (%.symc.o): Use AM_V_CC in front of COMPILE. (%.h): Use AM_V_GEN in front of sed. (%.gz): Use GZIP_V in front of GZIP. * Makerules.mig.am (%.user.defs.c): Use AM_V_GEN in front of command. (%.server.defs.c): Likewise. (%.user.h %.user.c %.user.msgids): Use MIGCOM_V in front of MIGCOM. (%.server.h %.server.c %.server.msgids): Likewise.
2011-08-31Optimize copyout pathSamuel Thibault
* i386/i386/locore.S (copyout): Remove RETRY() use from >=i486 variant. Move copyout_ret and copyout_fail.
2011-08-31Fix copyout retry on lazy allocation on >= i486Samuel Thibault
* i386/i386/locore.S (copyout): Add a >=i486 variant of copyout which uses no loop, but simply retries rep mov.
2011-08-31Disable global page while writing in kernel spaceSamuel Thibault
* i386/i386/db_interface.c (db_write_bytes): If CPU has PGE feature, disable CR4_PGE before enabling kernel page write access, and re-enable the former after disabling the latter.
2011-08-31Protect set_cr3 against compiler assignment optimizationsSamuel Thibault
This fixes the kdb `break' command. i386/i386/proc_reg.h (set_cr3): Add "memory" clobber.
2011-08-31Fix undefined operation on assigning self pre-incremented variableGuillem Jover
* linux/src/drivers/scsi/wd7000.c (mail_out): Add `1' instead of pre-incrementing self assigned variable. * linux/src/drivers/net/de4x5.c (de4x5_sw_reset, de4x5_queue_pkt, de4x5_rx) (de4x5_tx, de4x5_rx_ovfc, set_multicast_list, ping_media, mii_get_phy) (de4x5_ioctl): Likewise. * linux/src/drivers/net/depca.c (depca_rx, depca_tx, load_packet): Likewise.
2011-08-31Honour type promotion on variable argument handlingGuillem Jover
* linux/dev/lib/vsprintf.c (linux_vsprintf): Use `int' when retrieving a `short' through `va_arg'.
2011-08-31Correct MiG Mach types to fix compilation warningsGuillem Jover
* include/mach/mach_types.defs (thread_info_t): Change from array of natural_t to integer_t. (task_info_t): Likewise. (host_info_t): Likewise. (processor_info_t): Likewise. (processor_set_info_t): Likewise.
2011-08-31Denote __exit symbols as usedGuillem Jover
* linux/src/include/linux/init.h: Include <linux/compiler.h>. (__exitused): New macro. (__exit): Define to ` __exitused __cold notrace'. * linux/src/include/linux/kcomp.h (__exit): Remove.
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