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2011-08-27Use AC_LANG_SOURCE inside AC_LANG_CONFTEST to fix autoconf warningGuillem Jover
* configure.ac (AC_LANG_CONFTEST): Wrap the source into a AC_LANG_SOURCE call.
2011-08-27Add a .gitignore fileGuillem Jover
* .gitignore: New file.
2011-08-22Make ipc_space_zone not exhaustibleSamuel Thibault
Users of ipc_space_create() actually assume that it succeeds. * ipc/ipc_init.c (ipc_bootstrap): Create ipc_space_zone without EXHAUSTIBLE flag.
2011-08-22Add more details to "zone exhausted" panics.Samuel Thibault
* kern/zalloc (zalloc): Add more details to "zone exhausted" panics.
2011-08-21Add 8byte breakpoint macroSamuel Thibault
* i386/i386/db_interface.h (I386_DB_LEN_8): Define macro.
2011-08-18Add compiler barrier to update_mapped_timeSamuel Thibault
* kern/mach_clock.c (update_mapped_time): Add compiler barriers between writes to shared memory. Update comment: on SMP, write barriers are required.
2011-08-10Do not warn for cross-space spurious port deallocationSamuel Thibault
These are harmless (the target is stopped) and difficult to fix anyway. * ipc/mach_port.c (mach_port_destroy): Do not warn about spurious port deallocation when SPACE is not equal to current_space(). (mach_port_deallocate): Likewise.
2011-08-10Add more spurious deallocation debuggingSamuel Thibault
* ipc/mach_port.c (mach_port_destroy): Print the current space and the target space on spurious deallocation. (mach_port_deallocate): Likewise.
2011-07-21Whitelist QEMU Hard-Drive for DMA.Samuel Thibault
PIO has become very slow in Linux 2.6.35+, so we do not really have the choice any more. * linux/src/drivers/block/triton.c (good_dma_drives): Re-whitelist QEMU hard drive.
2011-05-19Fix gcc 4.6 buildSamuel Thibault
* linux/dev/include/linux/skbuff.h (skb_put, skb_push): Do not print the address of a local label, gcc 4.6 does not build this and the debugger can output it anyway. * linux/src/include/linux/skbuff.h (skb_put, skb_push): Likewise.
2011-05-18Merge two asm constraintsSamuel Thibault
* linux/src/drivers/scsi/ultrastor.c (find_and_clear_bit_16): Use + modifier instead of using both a read and a write constraint.
2011-05-09Do not warn on vm_map_enter with fixed address failingSamuel Thibault
* vm/vm_map.c (vm_map_enter): Warn about missing room in map only if anywhere is set.
2011-04-24Update constants to nowadays standardsSamuel Thibault
Follow-up to fa6c711d * ipc/ipc_init.c (ipc_kernel_map_size): Increase to 8MiB.
2011-04-23Enable all cachesSamuel Thibault
* i386/i386at/model_dep.c (i386at_init): Set CR0_CD and CR0_NW in CR0 register.
2011-04-23Drop spurious warningSamuel Thibault
* ipc/ipc_entry.c (ipc_entry_get): Do not warn when ipc_entry_get returns KERN_NO_SPACE.
2011-04-22Warn once when part of the kernel is lacking spaceSamuel Thibault
* ipc/ipc_entry.c (ipc_entry_get, ipc_entry_grow_table): Warn when returning KERN_NO_SPACE. * vm/vm_map.c (vm_map_find_entry, vm_map_enter, vm_map_copyout, vm_map_copyout_page_list): Warn when returning KERN_NO_SPACE.
2011-04-22Update constants to nowadays standardsSamuel Thibault
Follow-up to fa6c711d * vm/vm_object.c (DEVICE_IO_MAP_SIZE): Increase to 16MiB. * kern/kalloc.c (kalloc_map_size): Increase to 64MiB. * i386/intel/pmap.c (morevm): Increase to 128MiB.
2011-04-20Warn once when part of the kernel is lacking memorySamuel Thibault
* kern/printf.h (printf_once): New macro. * ipc/mach_port.c (mach_port_names, mach_port_get_set_status): Warn when returning KERN_RESOURCE_SHORTAGE. * vm/vm_kern.c: Include printf.h. (kmem_alloc, kmem_realloc, kmem_alloc_wired, kmem_alloc_aligned, kmem_alloc_pageable): Warn when failing. * vm/vm_resident.c (vm_page_grab_contiguous_pages): Warn when returning KERN_RESOURCE_SHORTAGE.
2011-04-19Close call stack on continuationSamuel Thibault
* i386/i386/locore.S (call_continuation): Push dummy return address instead of letting the callee get a random one.
2011-04-18Removed deprecated LINTLIBRARY #ifdefsArne Babenhauserheide
mach/mach_traps.h: Removed LINTLIBRARY #ifdefs. mach/message.h: Removed LINTLIBRARY #ifdefs.
2011-04-03Fix build with kdb from make dist-generated tarballSamuel Thibault
* Makefrag.am (libkernel_a_SOURCES): Add ddb/db_cond.h, ddb/db_examine.h, ddb/db_input.h, ddb/db_macro.h, ddb/db_trap.h. * i386/Makefrag.am (libkernel_a_SOURCES): Add i386/i386/db_interface.h
2011-03-21Fix typoSamuel Thibault
* i386/i386at/kd.c (key_map): Fix K_PERIOD typo.
2011-03-20Clean kd.[ch]Samuel Thibault
* i386/i386at/kd.h (NUMSTATES): Fix comment about NORM_STATE. * i386/i386at/kd.c (key_map): Use K_* macros instead of numeric values.
2011-03-14Also warn about mach_port_destroy on invalid portsSamuel Thibault
* ipc/mach_port.c (mach_port_destroy): Warn (and possibly call debugger) when ipc_right_lookup_write didn't find the port name.
2011-03-11Fix continuation after keyboard debugger invocationSamuel Thibault
According to stack layout change in 5da1aea7 * i386/i386/locore.S [!MACH_XEN] (RET_OFFSET): Define to 12 instead of 8.
2011-03-06Enable global pages after enabling pagingSamuel Thibault
* i386/i386at/model_dep.c (i386at_init): Enable CR4_PGE after enabling CR0_PG.
2011-03-05Fix temporary direct mapping during page table enablingSamuel Thibault
* i386/i386at/model_dep.c (i386at_init): Count the number of actually needed temporary L1 direct mapping by getting the last used address from init_alloc_aligned(), instead of hardcoding it to 1 or 3, and then use a for loop.
2011-03-03Keep supplementary L1 pages read-onlySamuel Thibault
* i386/intel/pmap.c (pmap_bootstrap): Fix loop which keeps supplementary L1 pages read-only: break as soon as one of the L1 supplementary pages has been recognized, so that its pte does not get rewritten read-write.
2011-02-27Refuse to share IRQs at different interrupt levelsSamuel Thibault
* linux/dev/arch/i386/kernel/irq.c (setup_x86_irq): Return -LINUX_EBUSY when trying to share an IRQ between two different interrupt levels.
2011-02-27Re-enable updating pvlist for kernel_pmapSamuel Thibault
This partially reverts 0744feb6 * i386/intel/pmap.c (pmap_remove_range): Update pvlist for kernel_pmap too.
2011-02-27Acknoledge interrupt after handler callSamuel Thibault
This fixes interrupt overflows when software interrupts processing gets slower than hardware. * i386/i386at/interrupt.S (interrupt): Issue EOI to PICs after having called the interrupt handler and disabled interrupts through cli.
2011-02-27Detect interrupt overflowSamuel Thibault
* i386/i386/locore.S (int_from_instack): Check %esp against _intstack, issue ud2 on stack overflow.
2011-02-27Add x86 debug register Xen supportSamuel Thibault
* i386/xen/xen_boothdr.S: Add global visibility to __hyp_* symbols. * i386/i386/locore.S [MACH_XEN] (dr6,dr0,dr1,dr2,dr3): Make get_debugreg and set_debugreg hypercalls to manipulate debug registers. (dr0,dr1,dr2,dr3): Fix dr7 field shift. * i386/i386/xen.h (hyp_set_debugreg, hyp_get_debugreg): New prototypes.
2011-02-27Add prototypes for x86 debug registersSamuel Thibault
* i386/i386/db_interface.h (I386_DB_TYPE_X, I386_DB_TYPE_W, I386_DB_TYPE_RW, I386_DB_LEN_1, I386_DB_LEN_2, I386_DB_LEN_4, I386_DB_LOCAL, I386_DB_GLOBAL): New macros. (dr0, dr1, dr2, dr3): New function prototypes.
2011-02-27Fix for kdb watch commandSamuel Thibault
* i386/intel/pmap.c (pmap_remove_range): Do not update pvlist for kernel_map. [MACH_KBD] (pmap_enter): Allow physical memory remapping.
2011-02-26Add console=comN boot option to enable serial consoleSamuel Thibault
* i386/configfrag.ac (RCLINE, RCADDR): Remove defines. * i386/i386at/com.c: Include <string.h> and <util/atoi.h> [!RCLINE] (RCBAUD, comcndev, comcnprobe, comcninit, comcngetc, comcnputc): Declare and define macro, variable, and functions. (rcline): New variable. (kernel_cmdline): New declaration. (comcnprobe): Detect "console=comN" option and set rcline accordingly, use rcline instead of RCLINE for serial console selection. * i386/i386at/cons_conf.c [NCOM>0 && !RCLINE] (comcnprobe, comcninit, comcngetc, comcnputc): Declare functions. [NCOM>0 && !RCLINE] (constab): Enable "com" console. * i386/i386at/kd_event.c (kbdopen): Call kdinit function, for when the VGA+pckbd console was not initialized.
2011-02-09xen block: Add more legacy hd* name supportSamuel Thibault
* xen/block.c (hyp_block_init): Add IDE 3-10 device number recognition. Skip unknown block device numbers.
2011-02-07Defer Xen device initialization to device_service_createSamuel Thibault
* device/device_init.c (device_service_create) [MACH_HYP]: Call hyp_dev_init. * xen/xen.c (hyp_init): Do not call hyp_block_init and hyp_net_init, now called in ... (hyp_dev_init): New function. * xen/xen.h (hyp_dev_init): New declaration.
2011-02-07Add rx-copy support to netfrontSamuel Thibault
* xen/net.c (net_data): Add rx_copy field. (enqueue_rx_buf): When rx_copy != 0, give grant on buffer to domD instead of issuing a transfer from domD. (hyp_net_intr): When rx_copy != 0, take back grant on buffer instead of finishing transfer. Do not panic on packet error, free kmsg on error. (hyp_net_init): Check for feature-rx-copy in backend, write 1 to request-rx-copy in such case. Wait for Connected state before continuing. Only unmap buffer when rx_copy is 0.
2011-01-31* doc/mach.texi (device_set_filter): Document filter header.Diego Nieto Cid
Acked-by: Richard Braun <rbraun@sceen.net>
2011-01-31Enable pae_extended_cr3 in pmap_bootstrapSamuel Thibault
* i386/i386/gdt.c (gdt_init): Do not enable VMASST_TYPE_pae_extended_cr3. * i386/intel/pmap.c (pmap_bootstrap): Enable VMASST_TYPE_pae_extended_cr3.
2011-01-31Enable Xen >4GiB physical memory supportSamuel Thibault
* i386/i386/gdt.c (gdt_init): Enable VMASST_TYPE_pae_extended_cr3. * i386/i386/xen.h: Drop actually-unneeded comment. * i386/xen/xen_boothdr.S (FEATURES) [MACH_PSEUDO_PHYS]: Add pae_pgdir_above_4gb. (XEN_ELFNOTE_FEATURES) [MACH_PSEUDO_PHYS]: Add pae_pgdir_above_4gb.
2011-01-31Drop kbd device on xenSamuel Thibault
* i386/Makefrag.am (libkernel_a_SOURCES): Move i386/i386at/kd_event.[ch] and i386/i386at/kd_queue.[ch] to [PLATFORM_at]. * i386/i386at/conf.c (dev_name_list): Move kbd device to [!MACH_HYP].
2011-01-15Avoid dropping kd_intr when RCLINE is >= 0Samuel Thibault
* i386/i386at/kd.c (kdintr): Return immediately if !kd_initialized. * i386/i386at/pic_isa.c (ivect) [RCLINE >= 0]: Enable kdintr in that case too.
2011-01-15Move -d and -H parse to kern/startup.cSamuel Thibault
The code is arch-independant, and reboot_on_panic, used by kern/debug.c would be undefined on non-i386. * i386/i386at/model_dep.c (reboot_on_panic, c_boot_entry): Move -d and -H parse to... * kern/startup.c (reboot_on_panic,setup_main): ... here. Include <string.h>
2010-12-09memcpy operands are not supposed to overlapSamuel Thibault
* include/string.h (memmove): Add prototype. * i386/i386at/immc.c (immc_cnputc): Replace memcpy with memmove.
2010-10-24Avoid harmless warningSamuel Thibault
* i386/i386at/kd.c (kd_setleds1): Only display unexpected state warning when debugging is enabled.
2010-10-23Add prototype for strstrSamuel Thibault
* include/string.h (strstr): Add prototype.
2010-10-23Add prototype for discover_x86_cpu_typeSamuel Thibault
* i386/i386at/model_dep.c (discover_x86_cpu_type): Add prototype.
2010-10-23Warn on unknown CPU familySamuel Thibault
* i386/i386at/model_dep.c (c_boot_entry): Warn in the default case for cpu_type.
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