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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.
2009-11-22Do 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.
2009-11-22Add 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.
2009-11-22Add missing phystokv/kvtophys conversionsSamuel Thibault
* i386/i386/mp_desc.c (interrupt_stack_alloc): Apply phystokv to stack_start. * i386/i386at/model_dep.c (i386at_init): Apply phystokv to memory allocated to duplicate multiboot information. Apply _kvtophys before calling set_cr3. Apply phystokv to phys_last_addr before assigning to int_stack_high. * i386/intel/pmap.c (pmap_bootstrap): Apply phystokv to phys_last_addr, use kernel_virtual_start instead of phys_last_addr. Apply phystokv to allocated bootstrap page table pages. Apply _kvtophys to page table pointers before writing into page table. (pmap_enter): Apply phystokv to allocated page table page, apply kvtophys to deallocated page table page.
2009-11-22Show command lines in task listSamuel Thibault
* Makefile.am (clib_routines): Add memcmp. * i386/i386/db_machdep.h (DB_GNUMACH_TASK_NAME): New macro. * i386/i386/db_interface.c (GNU): New macro. [GNU] (looks_like_command): New function. (db_task_name): When task map is kernel_pmap, return DB_GNUMACH_TASK_NAME. [GNU] (db_task_name): Use a GNU/Hurd-specific heuristic to get argv[] of a task.
2009-11-22Replace phys_mem_va with VM_MIN_KERNEL_ADDRESSSamuel Thibault
* i386/i386/vm_param.h (phystokv): Use VM_MIN_KERNEL_ADDRESS instead of phys_mem_va. (_kvtophys): New macro. * i386/i386at/model_dep.c (phys_mem_va): Remove variable.
2009-11-22Avoid confusion between global and local ldt varsSamuel Thibault
* i386/i386/pcb.c (switch_ktss): Rename ldt variable into tldt.
2009-11-22Do not assume that VM_MIN_KERNEL_ADDRESS is 0Samuel Thibault
* i386/i386/vm_param.h (VM_MAX_KERNEL_ADDRESS): Add VM_MIN_KERNEL_ADDRESS. (kvtolin): Subtract VM_MIN_KERNEL_ADDRESS. (lintokv): Add VM_MIN_KERNEL_ADDRESS. * i386/i386at/model_dep.c (mem_size_init): Subtract VM_MIN_KERNEL_ADDRESS in computation of phys_last_addr. (i386at_init): Use VM_MIN_KERNEL_ADDRESS instead of 0 as argument of lin2pdenum.
2009-11-22Rewamp spl.hSamuel Thibault
* i386/i386/spl.h (splnet, splbio, spl7, splx_cli): Add prototypes.
2009-11-22Do not assume that VM_MIN_KERNEL_ADDRESS is 0Samuel Thibault
* i386/i386/gdt.c (gdt_init): Subtract VM_MIN_KERNEL_ADDRESS from LINEAR_MIN_KERNEL_ADDRESS to avoid assuming the former being 0.
2009-11-22Fix db_search_null loopSamuel Thibault
* i386/i386/db_interface.c (db_search_null): Do not decrease vaddr twice.
2009-11-22Introduce KERNEL_RINGSamuel Thibault
* i386/i386/seg.h (KERNEL_RING): New macro, set to 0. (ACC_PL_K, SEL_PL_K): Use KERNEL_RING instead of assuming 0. * i386/i386/gdt.h (KERNEL_CS, KERNEL_DS): Likewise. * i386/i386/db_interface.c (kdb_trap, kdb_kentry): Likewise. * i386/i386/kttd_interface.c (kttd_trap, kttd_netentry): Likewise. * i386/i386/i386asm.sym: Add KERNEL_RING expression.
2009-11-22Rename kd_atoi into mach_atoiSamuel Thibault
* i386/i386at/kd.c: Include <util/atoi.h> (DEFAULT): Remove, replaced by MACH_ATOI_DEFAULT. (kd_parserest): Use mach_atoi instead of kd_atoi and MACH_ATOI_DEFAULT instead of DEFAULT. (kd_atoi): Move and rename function to... * util/atoi.c: ... mach_atoi in new file. * i386/i386at/kd.h (kd_atoi): Move and rename declaration to... * util/atoi.h: ... mach_atoi in new file. * Makefrag.am (libkernel_a_SOURCES): Add util/atoi.c
2009-10-26Fix VM_MAX_ADDRESS defaultSamuel Thibault
* i386/include/mach/i386/vm_param.h (VM_MAX_ADDRESS): Set back to 0xc0000000 by default.
2009-10-26Make tuning VM_MAX_ADDRESS trivialSamuel Thibault
* i386/i386/vm_param.h (LINEAR_MIN_KERNEL_ADDRESS): Set to VM_MAX_ADDRESS instead of hardcoding to 0xc0000000. (VM_MAX_KERNEL_ADDRESS): Set to LINEAR_MAX_KERNEL_ADDRESS - LINEAR_MIN_KERNEL_ADDRESS instead of hardcoding to 0x40000000. * i386/include/mach/i386/vm_param.h: Document how it may be tuned.
2009-10-26Fix buildSamuel Thibault
* i386/i386at/com.h (comtimer): Fix prototype of comtimer.
2009-10-25Fix warningSamuel Thibault
* i386/i386at/autoconf.c: Include <i386/pic.h> even when [!LINUX_DEV].
2009-10-25Fix warningSamuel Thibault
* i386/i386/trap.h: Include <mach/mach_types.h>
2009-10-25Fix warningSamuel Thibault
* i386/i386/pcb.c (thread_setstatus): Comment out state variable declaration.
2009-10-25Fix warningSamuel Thibault
* i386/i386/locore.S (TIME_INT_ENTRY): Fix comment.
2009-10-25Fix warningSamuel Thibault
* i386/intel/pmap.c (i): Declare only when [NCPUS > 1].
2009-10-20Fix warningsSamuel Thibault
* device/chario.c (ttypush): Set parameter type to void * instead of struct tty *, and implicitly cast the former into the latter instead. * i386/i386at/com.c: Include <kern/mach_clock.h>. (timeout, ttrstrt): Remove declarations. (comtimer): Add unused void * parameter. (comopen): Pass NULL to comtimer function. * i386/i386at/kd.h (kd_belloff): Add unused void * parameter. * i386/i386at/kd.c (timeout): Remove declaration. (kd_belloff): Add unused void * parameter. (feep, kdsetbell): Pass NULL to kd_belloff function. * i386/i386at/lpr.c: Include <mach_clock.h>. (timeout, ttrstrt): Remove declarations. * kern/mach_clock.c (softclock, timeout, untimeout): Set parameter type of fcn function pointer to void * instead of char *. Set type of param to void * instead of char *. * kern/mach_clock.h (timer_elt): Set parameter type of fcn member to void * instead of char *. Set time of param member to void * instead of char *. (timeout): Set parameter type of fcn function pointer parameter to void * instead of char *. (untimeout): Likewise, set type of param parameter to void * instead of char *. * kern/sched_prim.c (sched_init): Remove cast of recompute_priorities. Replace (char *)0 with NULL. (thread_timeout): Set parameter type to void * instead of thread_t, and implicitly cast the former into the latter instead. (thread_timeout_setup): Remove cast of thread_timeout, cast thread_depress_timeout into (void (*) (void*)). Remove cast of thread. (thread_recompute_priorities): Add unused void * parameter.
2009-10-20Fix boot from grub2 with more than 800MiB memorySamuel Thibault
* i386/i386at/model_dep.c (init_alloc_aligned): Add declaration. (i386at_init): Use init_alloc_aligned to allocate memory to save the content pointed by boot_info: cmdline, mods_addr, mod_start, and string. Set kernel_cmdline to the newly allocated string. (c_boot_entry): Do not set kernel_cmdline.
2009-10-20Better estimate avail_remainingSamuel Thibault
* i386/i386at/model_dep.c (mem_size_init): Move avail_remaining computation to after all phys_last_addr corrections.
2009-10-18Revert "Fix multiboot compliancy concerning x86 D flag"Samuel Thibault
This reverts commit de00e82b8c4491a4ff3320c0ddd80ac91ed0977b. Flags already get cleared using push/pop a few instructions later.
2009-10-17Fix multiboot compliancy concerning x86 D flagSamuel Thibault
i386/i386at/boothdr.S (boot_entry): Clear D flag.
2009-10-14Update constants to nowadays standardsSamuel Thibault
kern/zalloc.c (zone_map_size): Increase to 64MiB. i386/i386at/model_dep.c (mem_size_init): Reduce cap to 1/6 of memory space to save room for zalloc area. linux/src/drivers/block/ide.h (INITIAL_MULT_COUNT): Set to 16. vm/vm_map.h (VM_MAP_COPY_PAGE_LIST_MAX): Set to 64. vm/vm_object.c (vm_object_cached_max): Set to 4000.
2009-10-14Revert spurious part of 909c941dSamuel Thibault
2009-10-14Fix db kernel memory accessSamuel Thibault
i386/i386/db_interface.c (db_read_bytes): Also check addr against VM_MAX_KERNEL_ADDRESS.
2009-10-14Fix macro escapesSamuel Thibault
i386/intel/pmap.c (INVALIDATE_TLB): Fix macro escapes
2009-10-14Advertise memory size truncationsSamuel Thibault
i386/i386at/model_dep.c (mem_size_init): Advertise memory size truncations.
2009-09-27Disable CMD-640 supportSamuel Thibault
It messes too much with probing and brings hang issue. * i386/linux/dev/include/linux/autoconf.h (CONFIG_BLK_DEV_CMD640, CONFIG_BLK_DEV_CMD640_ENHANCED): Undefine macros.
2009-06-182009-02-26 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* i386/i386/prog_reg.h (invlpg_linear): Rename macro into... (invlpg_linear_range): ... this. (invlpg_linear): New macro. * i386/intel/pmap.c (INVALIDATE_TLB): Call invlpg_linear instead of flush_tlb when e - S is compile-time known to be PAGE_SIZE, instead of run-time known to be less than 32 * PAGE_SIZE.
2009-06-182009-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* i386/intel/pmap.c (INVALIDATE_TLB): For now, disable use of invlpg.
2009-06-182009-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* i386/i386/gdt.h (LINEAR_DS): New macro. * i386/i386/gdt.c (gdt_init): Initialize LINEAR_DS descriptor. * i386/i386/proc_reg.h (invlpg_user): Rename macro into... (invlpg_linear): ... this. Use movw instead of movl to set KERNEL_DS selector. Use LINEAR_DS selector instead of USER_DS selector. * i386/intel/pmap.c (INVALIDATE_TLB): Call invlpg_linear instead of invlpg_user.
2009-06-182008-12-30 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* i386/i386/proc_reg.h [__ASSEMBLER__ && __GNUC__]: Include <i386/gdt.h> and <i386/ldt.h> (invlpg_user): New macro. * i386/intel/pmap.c (INVALIDATE_TLB): Call invlpg_user instead of invlpg. (pmap_remove, pmap_page_protect, pmap_protect, pmap_enter, pmap_collect, phys_attribute_clear): Call PMAP_UPDATE_TLBS after pde update instead of before.
2009-06-182008-12-29 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* i386/intel/pmap.c (pmap_bootstrap): Extend kernel virtual memory to at least the size of the physical memory.
2009-06-182008-11-27 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* i386/i386/proc_reg.h (invlpg): New macro. * i386/intel/pmap.c (INVALIDATE_TLB): If portion to be flushed is less than 32 pages, use calls to invlpg instead of flush_tlb.
2009-06-182008-11-23 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* i386/i386/proc_reg.h (get_cr0, get_cr2, get_cr3, get_cr4, get_tr, get_ldt): Add volatile qualifier to asm statement to prevent gcc from optimizing it away since there seems to be no way to clobber these properly in the set_* macros.
2009-06-182008-07-19 Barry deFreese <bdefreese@debian.org>Samuel Thibault
* device/device_emul.h (struct device_emulation_ops): Make members reference, dealloc, dev_to_port, write_trap, and writev_trap take mach_device_t parameter instead of void *. * i386/i386at/autoconf.c: Make forward declarations for comintr() and lprintr() match prototype. Add brackets around initialization members for bus_ctlr and bus_device structs. * i386/i386at/conf.c (dev_name_list): Pass nomap instead of nulldev for map field. * i386/i386at/pic_isa.c (intnull, fpintr, hardclock, kdintr, prtnull): Declare the type of the value returned by functions to void.
2009-06-182008-11-12 Thomas Schwinge <tschwinge@gnu.org>Thomas Schwinge
* i386/configfrag.ac (enable_pae): Add checks: this is ix86-only.
2009-06-182008-11-10 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* i386/i386/i386asm.sym (PTE_SIZE): New assembly macro. * i386/i386/locore.S (copyout_retry): take PTE_SIZE into account. * i386/intel/pmap.c (pmap_bootstrap, pmap_create): Use WRITE_PTE instead of dereference.
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