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2010-07-31Put a name on the 16MiB magic numberSamuel Thibault
* linux/dev/glue/kmem.c (MEM_DMA_LIMIT): New macro (linux_kmem_init): Replace 16 * 1024 * 1024 occurrences with MEM_DMA_LIMIT.
2010-06-25Route BLKRRPART to partitions layerJeremie Koenig
* linux/dev/glue/block.c (device_set_status): New function (linux_block_emulation_ops): Set set_status field to device_set_status.
2010-04-16Add memory clobbers to segment selector loadersSamuel Thibault
* i386/i386/seg.h (lldt): Add memory clobber to lldt asm snippet. * i386/i386/tss.h (ltr): Add memory clobber to ltr asm snippet.
2010-04-08Fix bootstrap additional mappingSamuel Thibault
* i386/intel/pmap.c (pmap_bootstrap): Use pt_entry_t type instead of vm_offset_t to map additional kernel space.
2010-04-08Extend machine addresses to 64bit for PAESamuel Thibault
* i386/i386/pcb.c (switch_ktss): Use uint64_t for descriptor type instead of unsigned long long. * i386/i386/seg.h (fill_descriptor): Use uint64_t for descriptor type instead of unsigned long long. Cast result of kv_to_ma() into vm_offset_t before printing. * i386/i386/xen.h (hyp_mmu_update_pte): Use pt_entry_t type instead of unsigned long long, make pte parameter a pt_entry_t too. (hyp_mmu_update_pte): Compute pte address just using pt_entry_t integers. (hyp_high): New macro to fix 32bit right shifting. (hyp_do_update_descriptor): Use pt_entry_t type for machine address instead of unsigned long. Split it in 32bit parts. Use uint64_t for descriptor type instead of unsigned long long. (update_va_mapping): Use pt_entry_t type instead of unsigned long long. Use hyp_high macro. (hyp_invlpg): Use uint64_t for time type instead of unsigned long long. * i386/intel/pmap.c (pmap_bootstrap): Use ptetokv instead of pte_to_pa + phystokv. Cast machine addresses into vm_offset_t before printing. (pmap_set_page_readwrite): Likewise. (pmap_set_page_readonly): Likewise (pmap_set_page_readonly_init): Likewise (pmap_clear_bootstrap_pagetable): Likewise (pmap_destroy): Likewise (pmap_map_mfn): Use pt_entry_t type for machine addresses. Cast machine addresses into vm_offset_t before printing. * i386/intel/pmap.h [PAE] (INTEL_PTE_PFN): Set macro to 0xfffffffffffff000ULL. * include/mach/xen.h [PAE] (pa_to_ma, ma_to_pa): Use pt_entry_t type for machine addresses. [!PAE] (pa_to_ma): Remove cast to vm_offset_t. (mfn_to_kv): Use mfn_to_pfn + ptoa instead of ptoa + ma_to_pa. * xen/xen.c (hyp_invalidate_pte): Cast machine addresses into vm_offset_t before printing.
2010-04-06Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/gnumachSamuel Thibault
2010-04-06Fix crash on Xen when no module is providedSamuel Thibault
* kern/bootstrap.c (bootstrap_create): Iterate over bmods only if is not NULL.
2010-03-15Require GNU Automake 1.10.2.Thomas Schwinge
9ff49d9648debffbe42d18863c739d37bcdb50b4's config.status.dep.patch is fit for 1.10.2 (released in November 2008) and later, and is no longer suitable for 1.10.1. * configure.ac (AM_INIT_AUTOMAKE): Require 1.10.2.
2010-03-14Fix Xen build without kdbSamuel Thibault
* xen/console.c (hypcnintr): Use #if MACH_KDB instead of #ifdef MACH_KDB.
2010-03-14Add mem deviceSamuel Thibault
* i386/Makefrag.am (libkernel_a_SOURCES): Add i386/i386at/iopl.c. * i386/i386at/conf.c [!MACH_HYP] (memmmap): Declare function. (memname): Add macro. (dev_name_list): Add mem device. * i386/i386at/mem.c: New file.
2010-03-02whitelist the QEMU harddisk for DMA supportSamuel Thibault
* linux/src/drivers/block/triton.c (good_dma_drives): Add "QEMU HARDDISK".
2010-01-04ignore bogus FDPT information from BIOSSamuel Thibault
2009-12-22Align mach_port_deallocate debug flag with usageSamuel Thibault
* ipc/mach_port.c (debug_mach_port_deallocate): Rename to... (mach_port_deallocate_debug): ... new name, and set volatile to permit live changes from ddb.
2009-12-22Do not systematically debug buggy port deallocationSamuel Thibault
* ipc/mach_port.c (debug_mach_port_deallocation): New variable, set to 0. (mach_port_deallocate): Only call SoftDebugger if debug_mach_port_deallocation is not 0.
2009-12-22Merge branch 'master' of debhurd0:xen/gnumachSamuel Thibault
2009-12-22Fix debugger triggerroot
* i386/i386/locore.S [MACH_XEN] (RET_OFFSET): Define to 8 * xen/console.c (hypcnintr): On pound sign, call kdb_kintr instead of panicing.
2009-12-21Invoke debugger on duplicate port deallocationSamuel Thibault
* ipc/mach_port.c (mach_port_deallocate): Call SoftDebugger if ipc_right_lookup_write was not succcessful and `name' is not MACH_PORT_NULL or MACH_PORT_DEAD.
2009-12-21Add a SoftDebugger functionSamuel Thibault
* kern/debug.h (SoftDebugger): Add prototype. * kern/debug.c (Debugger): Move code invoking debugging trap to... (SoftDebugger): ... new function. Print the passed message. * kern/lock_mon.c (decl_simple_lock_data, retry_bit_lock): Call SoftDebugger instead of Debugger. * device/ds_routines.c (ds_device_open, device_read, device_read_inband): Call SoftDebugger instead of Debugger. * i386/i386at/model_dep.c (c_boot_entry): Call SoftDebugger instead of Debugger. * kern/syscall_sw.c (null_port, kern_invalid): Call SoftDebugger instead of Debugger. * vm/vm_object.c (vm_object_collapse): Call SoftDebugger instead of Debugger.
2009-12-19Document kdb_kintr stack manipulationSamuel Thibault
* i386/i386/locore.S: Document kdb_kintr stack manipulation.
2009-12-19Fix debugger triggerroot
* i386/i386/locore.S [MACH_XEN] (RET_OFFSET): Define to 8 * xen/console.c (hypcnintr): On pound sign, call kdb_kintr instead of panicing.
2009-12-18Add missing castsGuillem Jover
* vm/vm_resident.c (vm_page_grab_contiguous_pages): Cast `prevmemp' assignement to vm_page_t.
2009-12-18Add missing function prototypesGuillem Jover
* i386/i386/pcb.c (Load_context): New prototype. * i386/i386at/lpr.c (lprpr_addr): Likewise.
2009-12-18Use `unsigned char *' for byte buffersGuillem Jover
* linux/src/drivers/net/apricot.c (struct i596_tbd): Change `data' member type to `unsigned char *'. (struct i596_rfd): Change `data' member type to `unsigned char'. (print_eth): Change argument type to `unsigned char'. Remove unneeded casts. (set_multicast_list): Change cast for print_eth to `unsigned char *'.
2009-12-18Mark macro arguments as usedGuillem Jover
* i386/intel/pmap.c [!NCPUS > 1] (INVALIDATE_TLB): Mark `pmap', `s' and `e' arguments as used. * i386/intel/pmap.h [!NCPUS > 1] (PMAP_ACTIVATE_KERNEL): Mark `my_cpu' argument as used. (PMAP_DEACTIVATE_KERNEL): Likewise. (PMAP_ACTIVATE_USER): Likewise. Mark `th' argument as used. (PMAP_DEACTIVATE_USER): Mark `thread' and `cpu' arguments as used.
2009-12-18Missing `*' in assembler indirect lcallGuillem Jover
* linux/src/arch/i386/kernel/bios32.c (bios32_service): Add `*' in indirect lcall. (check_pcibios, pci_bios_find_class, pci_bios_find_device): Likewise. (pci_bios_read_config_byte, pci_bios_read_config_word): Likewise. (pci_bios_read_config_dword, pci_bios_write_config_byte): Likewise. (pci_bios_write_config_word, pci_bios_write_config_dword): Likewise.
2009-12-18Interrupt handlers do not return any valueGuillem Jover
* i386/i386at/kd_mouse.c (kd_mouse_open): Change kdintr return type to `void'. (oldvect): Change return type to `void'. * linux/dev/arch/i386/kernel/irq.c (linux_timer_intr): Likewise. (intnull, prtnull, linux_intr, linux_bad_intr): Likewise. (old_clock_handler): Likewise.
2009-12-18Use selector definitions from Mach for Linux codeGuillem Jover
* linux/src/include/asm-i386/segment.h [MACH]: Include <machine/gdt.h> and <machine/ldt.h>. [MACH && MACH_HYP] (KERNEL_CS, KERNEL_DS): Remove macros. [MACH && !MACH_HYP] (KERNEL_CS, KERNEL_DS): Likewise. [MACH] (USER_CS, USER_DS): Likewise.
2009-12-18Move linux/dev/include/asm-i386/segment.h to src treeGuillem Jover
* linux/dev/include/asm-i386/segment.h: Move to ... * linux/src/include/asm-i386/segment.h: ... here.
2009-12-18Match function types with `struct tty' member functionsGuillem Jover
* i386/i386at/com.c (comstart): Change return type to `void'. * i386/i386at/lpr.c (lprstop): Likewise.
2009-12-18Use explicit type int when defining register variablesGuillem Jover
* linux/src/drivers/scsi/aha1542.c (WAIT, WAITd): Define variables with explicit type `register int' and not just `register'.
2009-12-16Add Xen supportSamuel Thibault
2009-03-11 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/i386/vm_param.h (VM_MIN_KERNEL_ADDRESS) [MACH_XEN]: Set to 0x20000000. * i386/i386/i386asm.sym (pfn_list) [VM_MIN_KERNEL_ADDRESS == LINEAR_MIN_KERNEL_ADDRESS]: Define to constant PFN_LIST. 2009-02-27 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/intel/pmap.c [MACH_HYP] (INVALIDATE_TLB): Call hyp_invlpg instead of flush_tlb when e - s is compile-time known to be PAGE_SIZE. 2008-11-27 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/configfrag.ac (enable_pae): Enable by default on the Xen platform. 2007-11-14 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/i386at/model_dep.c (machine_relax): New function. (c_boot_entry): Refuse to boot as dom0. 2007-10-17 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/i386/fpu.c [MACH_XEN]: Disable unused fpintr(). 2007-08-12 Samuel Thibault <samuel.thibault@ens-lyon.org> * Makefile.am (clib_routines): Add _START. * i386/xen/xen_boothdr: Use _START for VIRT_BASE and PADDR_OFFSET. Add GUEST_VERSION and XEN_ELFNOTE_FEATURES. 2007-06-13 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/i386/user_ldt.h (user_ldt) [MACH_XEN]: Add alloc field. * i386/i386/user_ldt.c (i386_set_ldt) [MACH_XEN]: Round allocation of LDT to a page, set back LDT pages read/write before freeing them. (user_ldt_free) [MACH_XEN]: Likewise. 2007-04-18 Samuel Thibault <samuel.thibault@ens-lyon.org> * device/ds_routines.c [MACH_HYP]: Add hypervisor block and net devices. 2007-02-19 Thomas Schwinge <tschwinge@gnu.org> * i386/xen/Makefrag.am [PLATFORM_xen] (gnumach_LINKFLAGS): Define. * Makefrag.am: Include `xen/Makefrag.am'. * configure.ac: Include `xen/configfrag.ac'. (--enable-platform): Support the `xen' platform. * i386/configfrag.ac: Likewise. * i386/Makefrag.am [PLATFORM_xen]: Include `i386/xen/Makefrag.am'. 2007-02-19 Samuel Thibault <samuel.thibault@ens-lyon.org> Thomas Schwinge <tschwinge@gnu.org> * i386/xen/Makefrag.am: New file. * xen/Makefrag.am: Likewise. * xen/configfrag.ac: Likewise. 2007-02-11 (and later dates) Samuel Thibault <samuel.thibault@ens-lyon.org> Xen support * Makefile.am (clib_routines): Add _start. * Makefrag.am (include_mach_HEADERS): Add include/mach/xen.h. * device/cons.c (cnputc): Call hyp_console_write. * i386/Makefrag.am (libkernel_a_SOURCES): Move non-Xen source to [PLATFORM_at]. * i386/i386/debug_trace.S: Include <i386/xen.h> * i386/i386/fpu.c [MACH_HYP] (init_fpu): Call set_ts() and clear_ts(), do not enable CR0_EM. * i386/i386/gdt.c: Include <mach/xen.h> and <intel/pmap.h>. [MACH_XEN]: Make gdt array extern. [MACH_XEN] (gdt_init): Register gdt with hypervisor. Request 4gb segments assist. Shift la_shift. [MACH_PSEUDO_PHYS] (gdt_init): Shift pfn_list. * i386/i386/gdt.h [MACH_XEN]: Don't define KERNEL_LDT and LINEAR_DS. * i386/i386/i386asm.sym: Include <i386/xen.h>. [MACH_XEN]: Remove KERNEL_LDT, Add shared_info's CPU_CLI, CPU_PENDING, CPU_PENDING_SEL, PENDING, EVTMASK and CR2. * i386/i386/idt.c [MACH_HYP] (idt_init): Register trap table with hypervisor. * i386/i386/idt_inittab.S: Include <i386/i386asm.h>. [MACH_XEN]: Set IDT_ENTRY() for hypervisor. Set trap table terminator. * i386/i386/ktss.c [MACH_XEN] (ktss_init): Request exception task switch from hypervisor. * i386/i386/ldt.c: Include <mach/xen.h> and <intel/pmap.h> [MACH_XEN]: Make ldt array extern. [MACH_XEN] (ldt_init): Set ldt readwrite. [MACH_HYP] (ldt_init): Register ldt with hypervisor. * i386/i386/locore.S: Include <i386/xen.h>. Handle KERNEL_RING == 1 case. [MACH_XEN]: Read hyp_shared_info's CR2 instead of %cr2. [MACH_PSEUDO_PHYS]: Add mfn_to_pfn computation. [MACH_HYP]: Drop Cyrix I/O-based detection. Read cr3 instead of %cr3. Make hypervisor call for pte invalidation. * i386/i386/mp_desc.c: Include <mach/xen.h>. [MACH_HYP] (mp_desc_init): Panic. * i386/i386/pcb.c: Include <mach/xen.h>. [MACH_XEN] (switch_ktss): Request stack switch from hypervisor. [MACH_HYP] (switch_ktss): Request ldt and gdt switch from hypervisor. * i386/i386/phys.c: Include <mach/xen.h> [MACH_PSEUDO_PHYS] (kvtophys): Do page translation. * i386/i386/proc_reg.h [MACH_HYP] (cr3): New declaration. (set_cr3, get_cr3, set_ts, clear_ts): Implement macros. * i386/i386/seg.h [MACH_HYP]: Define KERNEL_RING macro. Include <mach/xen.h> [MACH_XEN] (fill_descriptor): Register descriptor with hypervisor. * i386/i386/spl.S: Include <i386/xen.h> and <i386/i386/asm.h> [MACH_XEN] (pic_mask): #define to int_mask. [MACH_XEN] (SETMASK): Implement. * i386/i386/vm_param.h [MACH_XEN] (HYP_VIRT_START): New macro. [MACH_XEN]: Set VM_MAX_KERNEL_ADDRESS to HYP_VIRT_START- LINEAR_MIN_KERNEL_ADDRESS + VM_MIN_KERNEL_ADDRESS. Increase KERNEL_STACK_SIZE and INTSTACK_SIZE to 4 pages. * i386/i386at/conf.c [MACH_HYP]: Remove hardware devices, add hypervisor console device. * i386/i386at/cons_conf.c [MACH_HYP]: Add hypervisor console device. * i386/i386at/model_dep.c: Include <sys/types.h>, <mach/xen.h>. [MACH_XEN] Include <xen/console.h>, <xen/store.h>, <xen/evt.h>, <xen/xen.h>. [MACH_PSEUDO_PHYS]: New boot_info, mfn_list, pfn_list variables. [MACH_XEN]: New la_shift variable. [MACH_HYP] (avail_next, mem_size_init): Drop BIOS skipping mecanism. [MACH_HYP] (machine_init): Call hyp_init(), drop hardware initialization. [MACH_HYP] (machine_idle): Call hyp_idle(). [MACH_HYP] (halt_cpu): Call hyp_halt(). [MACH_HYP] (halt_all_cpus): Call hyp_reboot() or hyp_halt(). [MACH_HYP] (i386at_init): Initialize with hypervisor. [MACH_XEN] (c_boot_entry): Add Xen-specific initialization. [MACH_HYP] (init_alloc_aligned, pmap_valid_page): Drop zones skipping mecanism. * i386/intel/pmap.c: Include <mach/xen.h>. [MACH_PSEUDO_PHYS] (WRITE_PTE): Do page translation. [MACH_HYP] (INVALIDATE_TLB): Request invalidation from hypervisor. [MACH_XEN] (pmap_map_bd, pmap_create, pmap_destroy, pmap_remove_range) (pmap_page_protect, pmap_protect, pmap_enter, pmap_change_wiring) (pmap_attribute_clear, pmap_unmap_page_zero, pmap_collect): Request MMU update from hypervisor. [MACH_XEN] (pmap_bootstrap): Request pagetable initialization from hypervisor. [MACH_XEN] (pmap_set_page_readwrite, pmap_set_page_readonly) (pmap_set_page_readonly_init, pmap_clear_bootstrap_pagetable) (pmap_map_mfn): New functions. * i386/intel/pmap.h [MACH_XEN] (INTEL_PTE_GLOBAL): Disable global page support. [MACH_PSEUDO_PHYS] (pte_to_pa): Do page translation. [MACH_XEN] (pmap_set_page_readwrite, pmap_set_page_readonly) (pmap_set_page_readonly_init, pmap_clear_bootstrap_pagetable) (pmap_map_mfn): Declare functions. * i386/i386/xen.h: New file. * i386/xen/xen.c: New file. * i386/xen/xen_boothdr.S: New file. * i386/xen/xen_locore.S: New file. * include/mach/xen.h: New file. * kern/bootstrap.c [MACH_XEN] (boot_info): Declare variable. [MACH_XEN] (bootstrap_create): Rebase multiboot header. * kern/debug.c: Include <mach/xen.h>. [MACH_HYP] (panic): Call hyp_crash() without delay. * linux/dev/include/asm-i386/segment.h [MACH_HYP] (KERNEL_CS) (KERNEL_DS): Use ring 1. * xen/block.c: New file. * xen/block.h: Likewise. * xen/console.c: Likewise. * xen/console.h: Likewise. * xen/evt.c: Likewise. * xen/evt.h: Likewise. * xen/grant.c: Likewise. * xen/grant.h: Likewise. * xen/net.c: Likewise. * xen/net.h: Likewise. * xen/ring.c: Likewise. * xen/ring.h: Likewise. * xen/store.c: Likewise. * xen/store.h: Likewise. * xen/time.c: Likewise. * xen/time.h: Likewise. * xen/xen.c: Likewise. * xen/xen.h: Likewise. * xen/public/COPYING: Import file from Xen. * xen/public/callback.h: Likewise. * xen/public/dom0_ops.h: Likewise. * xen/public/domctl.h: Likewise. * xen/public/elfnote.h: Likewise. * xen/public/elfstructs.h: Likewise. * xen/public/event_channel.h: Likewise. * xen/public/features.h: Likewise. * xen/public/grant_table.h: Likewise. * xen/public/kexec.h: Likewise. * xen/public/libelf.h: Likewise. * xen/public/memory.h: Likewise. * xen/public/nmi.h: Likewise. * xen/public/physdev.h: Likewise. * xen/public/platform.h: Likewise. * xen/public/sched.h: Likewise. * xen/public/sysctl.h: Likewise. * xen/public/trace.h: Likewise. * xen/public/vcpu.h: Likewise. * xen/public/version.h: Likewise. * xen/public/xen-compat.h: Likewise. * xen/public/xen.h: Likewise. * xen/public/xencomm.h: Likewise. * xen/public/xenoprof.h: Likewise. * xen/public/arch-x86/xen-mca.h: Likewise. * xen/public/arch-x86/xen-x86_32.h: Likewise. * xen/public/arch-x86/xen-x86_64.h: Likewise. * xen/public/arch-x86/xen.h: Likewise. * xen/public/arch-x86_32.h: Likewise. * xen/public/arch-x86_64.h: Likewise. * xen/public/io/blkif.h: Likewise. * xen/public/io/console.h: Likewise. * xen/public/io/fbif.h: Likewise. * xen/public/io/fsif.h: Likewise. * xen/public/io/kbdif.h: Likewise. * xen/public/io/netif.h: Likewise. * xen/public/io/pciif.h: Likewise. * xen/public/io/protocols.h: Likewise. * xen/public/io/ring.h: Likewise. * xen/public/io/tpmif.h: Likewise. * xen/public/io/xenbus.h: Likewise. * xen/public/io/xs_wire.h: Likewise.
2009-11-30Add stack-protector supportSamuel Thibault
* kern/debug.c (__stack_chk_guard): New variable (__stack_chk_fail): New function.
2009-11-30Use gcc builtins for stdarg.h when availableSamuel Thibault
* i386/include/mach/sa/stdarg.h [__GNUC__ >= 3] (va_list): Typedef to __builtin_va_list. (va_start): define to __builtin_va_start. (va_end): define to __builtin_va_end. (va_arg): define to __builtin_va_arg.
2009-11-28Fix commit d088a062Samuel Thibault
* vm/memory_object_proxy.c: New file.
2009-11-28Add memory object proxiesSamuel Thibault
Memory object proxies permit to replicate objects with different parameters, like reduced privileged, different offset, etc. They are e.g. essential for properly managing memory access permissions. 2005-06-06 Marcus Brinkmann <marcus@gnu.org> * include/mach/mach4.defs: Add memory_object_create_proxy interface. * Makefile.in (vm-cfiles): Add memory_object_proxy.c. * i386/include/mach/i386/vm_types.h (vm_offset_array_t): New type. * include/mach/memory_object.h (memory_object_array_t): New type. * vm/memory_object_proxy.c: New file. * kern/ipc_kobject.h: New macro IKOT_PAGER_PROXY. Bump up macros IKOT_UNKNOWN and IKOT_MAX_TYPE. * kern/ipc_kobject.c (ipc_kobject_notify): Call memory_object_proxy_notify for IKOT_PAGER_PROXY. * vm/vm_init.c (vm_mem_init): Call memory_object_proxy_init. * vm/vm_user.c (vm_map): Implement support for proxy memory objects.
2009-11-28Add -H option to halt on panicSamuel Thibault
2005-12-29 Soeren D. Schulze <soeren.d.schulze@gmx.de> * i386/i386at/model_dep.c (reboot_on_panic) [!MACH_KBD]: New variable. (c_boot_entry) [!MACH_KBD]: Set reboot_on_panic to 0 if kernel_cmdline contains '-H'. * kern/debug.c (panic): Call halt_all_cpus with reboot_on_panic as argument.
2009-11-28Add sis900 driverSamuel Thibault
2005-05-01 Andreas B. Mundt <andi.mundt@web.de> * i386/README-Drivers: Likewise. * i386/linux/Makefile.in (linux-net-files): Added 'sis900'. * i386/linux/configure.ac (sis900): New driver. * linux/dev/drivers/net/Space.c: Add conditional probes 'sis900' driver. * linux/src/drivers/net/sis900.c: New file. * linux/src/drivers/net/sis900.h: Likewise.
2009-11-28Add XMM FPU registers save/restore support.Samuel Thibault
* i386/include/mach/i386/fp_reg.h (struct i386_fp_regs): Invert array indices. (struct i386_xfp_save): New structure. (FP_387X): New macro. * i386/i386/thread.h (struct i386_fpsave_state): Add xfp_save_state member, keep existing fp_save_state and fp_regs members in an unnamed union member. Move fp_valid member to the end of the structure. * i386/i386/fpu.h (fxsave, fxrstor): New macros. (fpu_save_context): Use fxsave() when FPU is FXSR-capable. * i386/i386/fpu.c: Include <i386/locore.h> (mxcsr_feature_mask): New variable. (fp_save, fp_load): Add declaration. (init_fpu): Add FXSR-capable FPU detection. (fpu_module_init): Request 16-byte alignment to zinit() for i386_fpsave_state structures. (twd_i387_to_fxsr, twd_fxsr_to_i387): New functions. (fpu_set_state): Convert FPU state when FPU is FXSR-capable. (fpu_get_state): Convert FPU state when FPU is FXSR-capable. (fpexterrflt): Pass to i386_exception either xfp_save_state or fp_save_state according to FPU type. (fpastintr): Likewise. (fp_load): Likewise. Use fxrstor() when FPU is FXSR-capable. (fp_save): Use fxsave() when FPU is FXSR-capable. (fp_state_alloc): Add FXSR-aware initialization.
2009-11-28Fix debugging messageSamuel Thibault
* i386/i386/fpu.c (fphandleerr): Fix debugging message.
2009-11-28Add native FPU error supportSamuel Thibault
* i386/i386/fpu.c (init_fpu): Enable CR0_NE when processor is at least i486. (fpintr): Move code handling the FPU state to... (fphandleerr): New function. (fpexterrflt): Rename into... (fpastintr): New function. (fpexterrflt): Reintroduce function, calls fphandleerr then raises exception. * i386/i386/fpu.h (fpastintr): Add prototype. * i386/i386/trap.c (i386_astintr): Call fpastintr instead of fpexterrflt.
2009-11-28Panic when no FPU is availableSamuel Thibault
* i386/i386/fpu.c (init_fpu): Panic if no FPU is available.
2009-11-28Initialize FPU in MS-DOS compatibility modeSamuel Thibault
* i386/i386/fpu.c (init_fpu): Make sure CR0_NE is dropped.
2009-11-22Declare memcmp functionSamuel Thibault
* include/string.h (memcmp): New prototype.
2009-11-22Do not fail if no PTE maps virtual address 0Samuel Thibault
* i386/intel/pmap.c (pmap_unmap_page_zero): Do not fail if no PTE maps virtual address 0.
2009-11-22Remove (vm_offset_t) casts from constantsSamuel Thibault
* i386/i386/vm_param.h (VM_MIN_KERNEL_ADDRESS, VM_MAX_KERNEL_ADDRESS, LINEAR_MIN_KERNEL_ADDRESS, LINEAR_MAX_KERNEL_ADDRESS): Remove (vm_offset_t) cast, use UL suffix instead. * i386/include/mach/i386/vm_param.h (VM_MIN_ADDRESS, VM_MAX_ADDRESS): Remove (vm_offset_t) cast, use UL suffix instead.
2009-11-22Really call startrtclock() with an active thread.Samuel Thibault
* kern/startup.c (cpu_launch_first_thread): Call startrtclock really after starting at least one thread.
2009-11-22Add pmap parameter to INVALIDATE_TLBSamuel Thibault
* i386/intel/pmap.c (INVALIDATE_TLB): Add pmap parameter. (PMAP_UPDATE_TLBS): Pass pmap parameter. (process_pmap_updates): Likewise. (pmap_unmap_page_zero): Use INVALIDATE_TLB instead of hardcoding it.
2009-11-22Add phys_first_addr and phys_last_addr declarationSamuel Thibault
* i386/i386/model_dep.h (phys_first_addr, phys_last_addr): New declarations. * i386/i386/trap.c: Include <i386/model_dep.h> (user_trap): Remove extern declaration of phys_last_addr. * i386/intel/pmap.c: Include <i386/model_dep.h> (phys_first_addr, phys_last_addr): Remove extern declaration.
2009-11-22Use typeof(boot_info)Samuel Thibault
* i386/i386at/model_dep.c (i386at_init): Use typeof(boot_info) instead of hardcoding struct multiboot_info*.
2009-11-22Fix early interrupt crashSamuel Thibault
* i386/i386at/model_dep.c (i386at_init): Move int_stack_high assignation to before setting up interrupts.
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