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* linux: Use kvtophys instead of _kvtophysSamuel Thibault2021-08-281-1/+2
| | | | | | | | _kvtophys only works with direct-mappable memory, which is scarse, better use kvtophys that can work with any kind of memory. * linux/src/include/asm-i386/io.h: Include <intel/pmap.h> (virt_to_phys): Use kvtophys instead of _kvtophys.
* x86: Add XSAVE supportSamuel Thibault2020-11-281-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | * i386/i386/fpu.h (CPU_XCR0_X87, CPU_XCR0_SSE, CPU_XCR0_AVX, CPU_XCR0_MPX, CPU_XCR0_AVX512): New macros. (xsave): Pass fp_xsave_support to xsave. (fpu_save_context): When fp_kind is FP_387X, use xsave. (fp_xsave_support): New variable declaration. * i386/i386/proc_reg.h (cpuid): New macro. * linux/src/include/asm-i386/processor.h (cpuid): Disable macro. * i386/include/mach/i386/fp_reg.h: Include <stdint.h> (i386_xfp_xstate_header): New structure. (i386_xfp_save): Add xsave fields. * i386/i386/fpu.c (fp_xsave_support): New variable. (init_fpu): Look for XSAVE feature; if available, get the supported parts and set fp_kind to FP_387X. (fpu_module_init): Set ifps_cache alignment to alignof(struct i386_fpsave_state). (fpu_set_state): Make sure to clear all the ifps structure. Reuse the FP_387FX for the FP_387X case. (fpu_get_state, fpexterrflt, fpastintr, fp_state_alloc): Reuse the FP_387FX for the FP_387X case. (fp_save): When fp_kind is FP_387X, use xsave. (fp_load): When fp_kind is FP_387X, use xrstor. Reuse the FP_387FX for the FP_387X case.
* Add hardware interrupt notification mechanismSamuel Thibault2020-07-101-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows privileged userland drivers to get notifications of hardware interrupts. Initial work by Zheng Da, reworked by Damien Zammit and myself. * Makefrag.am (libkernel_a_SOURCES): Add device/intr.c and device/intr.h. (include_device_HEADERS): Add include/device/notify.defs and include/device/notify.h. * device/dev_hdr.h (name_equal): Add declaration. * device/ds_routines.c: Include <device/intr.h> (ds_device_intr_register, ds_device_intr_ack): New functions. * device/intr.c, device/intr.h: New files. * doc/mach.texi (Device Interrupt): New section. * i386/Makefrag.am (libkernel_a_SOURCES): Add i386/i386/irq.c and i386/i386/irq.h. * i386/i386/irq.c, i386/i386/irq.h: New files. * i386/i386at/conf.c: Include <device/intr.h>. (irqname): New macro. (dev_name_list): Add irq device. * include/device/device.defs (device_intr_register, device_intr_ack): New RPCs. * include/device/notify.defs, include/device/notify.h: New files. * kern/startup.c: Include <device/intr.h> (start_kernel_threads): Start intr_thread thread. * linux/dev/arch/i386/kernel/irq.c: Include <device/intr.h> (linux_action): Add user_intr field. (linux_intr): Call user_intr action if any. (mask_irq, unmask_irq): Move functions to i386/i386/pic.c (__disable_irq, __enable_irq): Move functions to i386/i386/irq.c. (install_user_intr_handler): New function. (request_irq): Initialize user_intr field. * linux/src/include/asm-i386/irq.h (__disable_irq, __enable_irq): Remove prototypes. * i386/i386/pic.c (mask_irq, unmask_irq): New functions. * i386/i386/pic.h (mask_irq, unmask_irq): New prototypes.
* irq: Add disabling counterSamuel Thibault2019-11-121-0/+2
| | | | | | | | | | | * linux/dev/arch/i386/kernel/irq.c (ndisabled_irq): New array. (__disable_irq, __enable_irq): New functions, count with ndisabled_irq before really calling mask_irq/unmask_irq. (linux_pic_mask): New variable. (disable_irq, enable_irq): Manage linux_pic_mask and call __disable_irq/__enable_irq instead of calling mask_irq/unmask_irq. * linux/src/include/asm-i386/irq.h (__disable_irq, __enable_irq): New prototypes.
* replace extern with static in some linux codeFlavio Cruz2016-01-021-2/+2
| | | | | | | | | | | * linux/dev/include/linux/fs.h: Replace extern with static. * linux/dev/include/linux/locks.h: Likewise. * linux/dev/include/linux/mm.h: Likewise. * linux/src/drivers/net/e2100.c: Likewise * linux/src/include/asm-i386/termios.h: Likewise. * linux/src/include/linux/interrupt.h: Likewise. * linux/src/include/net/route.h: Likewise. * linux/src/include/net/sock.h: Likewise.
* Fix build with -O0Samuel Thibault2015-07-074-20/+28
| | | | | | | | | | | | | | | | | | | | | * linux/src/include/linux/string.h (strcpy, strncpy, strcat, strncat, strchr, strrchr, strlen, strnlen, strcmp, strncmp, memmove, memscan): Comment out extern declarations. * linux/dev/include/asm-i386/string.h (strcpy, strncpy, strcat, strncat, strcmp, strncmp, strchr, strrchr, strlen, __memcpy, __constant_memcpy, memmove, memchr, __memset_generic, __constant_c_memset, strnlen, __constant_c_and_count_memset, memscan): Turn extern inline into static inline. * linux/dev/include/linux/fs.h (mark_buffer_uptodate): Likewise. * linux/src/include/asm-i386/bitops.h (set_bit, clear_bit, change_bit, test_and_set_bit, test_and_clear_bit, test_and_change_bit, test_bit, find_first_zero_bit, find_next_zero_bit, ffz, ffs): Likewise. * linux/src/include/asm-i386/io.h (virt_to_phys, phys_to_virt, __out##s, __in##s, ins##s, outs##s): Likewise. * linux/src/include/asm-i386/semaphore.h (down, down_interruptible, up): Likewise. * linux/src/include/asm-i386/segment.h [!__OPTIMIZE]: Emit an ud2 instruction instead of an undefined reference.
* Fix semaphore failure path special calling conventionSamuel Thibault2015-05-021-3/+7
| | | | | | | * linux/src/include/asm-i386/semaphore.h (down): Pass semaphore address to down_failed through ecx. (down_interruptible): Likewise to down_failed_interruptible. (up): Likewise to up_wakeup.
* Replace clobbers with earlyclobbersSamuel Thibault2015-05-012-15/+17
| | | | | | | | | Newer gccs consider the former "impossible" * linux/src/include/asm-i386/bitops.h (find_first_zero_bit): Replace clobbers with earlyclobbers. * linux/src/include/asm-i386/semaphore.h (down, down_interruptible, up): Likewise.
* Add missing phystokv/kvtophys callsSamuel Thibault2012-03-241-2/+4
| | | | | | | | | | | | | | | | | | | | | | | * i386/i386/vm_param.h [!MACH_XEN]: Do not include <xen/public/xen.h>. * i386/i386at/model_dep.c (init_alloc_aligned): Use phystokv to compare physical memory addresses with kernel start, end, and symbol table. * i386/intel/pmap.c (pmap_enter): Use kvtophys to convert ptp pointer to pte entry. * linux/dev/init/main.c (alloc_contig_mem, linux_init): Use phystokv to convert allocated pages to virtual pointer. * linux/src/include/asm-i386/io.h: Include <machine/vm_param.h>. (virt_to_phys): Call _kvtophys. (phys_to_virt): Call phystokv. * linux/src/include/linux/compatmac.h: Include <asm/io.h>. (ioremap): Use phys_to_virt to convert physical address to virtual pointer. (my_iounmap): Likewise. * linux/dev/include/asm-i386/page.h: Include <mach/vm_param.h>. (PAGE_SHIFT, PAGE_SIZE, PAGE_MASK): Remove macros. * linux/src/drivers/scsi/ncr53c8xx.c (vm_size_t): Remove type. * linux/dev/glue/net.c: Include <machine/vm_param.h> (device_write): Call phystokv to convert from physical page address to virtual pointer. * linux/dev/glue/block.c (alloc_buffer, free_buffer, rdwr_full): Likewise.
* Use unsigned long for addresses and sizesSamuel Thibault2012-03-091-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | TODO: remonter formats * i386/include/mach/i386/vm_types.h (vm_offset_t): Define to unsigned long. (signed32_t): Define to signed int. (unsigned32_t): Define to unsigned int. * i386/include/mach/sa/stdarg.h (__va_size): Use sizeof(unsigned long)-1 instead of 3. * include/mach/port.h (mach_port_t): Define to vm_offset_t instead of natural_t. * include/sys/types.h (size_t): Define to unsigned long instead of natural_t. * linux/src/include/asm-i386/posix_types.h (__kernel_size_t): Define to unsigned long. (__kernel_ssize_t): Define to long. * linux/src/include/linux/stddef.h (size_t): Define to unsigned long. * device/dev_pager.c (dev_pager_hash): Cast port to vm_offset_t insted of natural_t. (device_pager_data_request): Fix format. * device/ds_routines.c (ds_no_senders): Fix format. * i386/i386/io_map.c (io_map): Likewise. * i386/i386at/autoconf.c (take_dev_irq): Likewise. * i386/i386at/com.c (comattach): Likewise. * i386/i386at/lpr.c (lprattach): Likewise. * i386/i386at/model_dep.c (mem_size_init, mem_size_init, c_boot_entry): Likewise. * i386/intel/pmap.c (pmap_enter): Likewise. * ipc/ipc_notify.c (ipc_notify_port_deleted, ipc_notify_msg_accepted, ipc_notify_dead_name): Likewise. * ipc/mach_port.c (mach_port_destroy, mach_port_deallocate): Likewise. * kern/ipc_kobject.c (ipc_kobject_destroy): Likewise. * kern/slab.c (kalloc_init): Likewise. * vm/vm_fault.c (vm_fault_page): Likewise. * vm/vm_map.c (vm_map_pmap_enter): Likewise. * xen/block.c (device_read): Likewise. * device/net_io.c (bpf_match): Take unsigned long * instead of unsigned int *. (bpf_do_filter): Make mem unsigned long instead of long. * i386/i386/ktss.c (ktss_init): Cast pointer to unsigned long instead of unsigned. * i386/i386/pcb.c (stack_attach, switch_ktss): Cast pointers to long instead of int. * i386/i386/trap.c (dump_ss): Likewise. * ipc/ipc_hash.c (IH_LOCAL_HASH): Cast object to vm_offset_t. * ipc/mach_msg.c (mach_msg_receive, mach_msg_receive_continue): Cast kmsg to vm_offset_t instead of natural_t. * kern/pc_sample.c (take_pc_sample): Cast to vm_offset_t instead of natural_t. * kern/boot_script.c (sym, arg): Set type of `val' field to long instead of int. (create_task, builtin_symbols, boot_script_parse_line, boot_script_define_function): Cast to long instead of int. * kern/bootstrap.c (bootstrap_create): Likewise. * kern/sched_prim.c (decl_simple_lock_data): Likewise. * kern/printf.c (vsnprintf): Set size type to size_t. * kern/printf.h (vsnprintf): Likewise. * vm/vm_map.h (kentry_data_size): Fix type to vm_size_t. * vm/vm_object.c (vm_object_pmap_protect_by_page): Fix size parameter type to vm_size_t.
* Define BITS_PER_LONG for Linux codeSamuel Thibault2011-10-091-0/+2
| | | | * linux/src/include/asm-i386/types.h (BITS_PER_LONG): Define to 32.
* Remove unused and non-functional string specialization headerGuillem Jover2011-08-311-702/+0
| | | | * linux/src/include/asm-i386/string-486.h: Remove.
* Use selector definitions from Mach for Linux codeGuillem Jover2009-12-181-10/+2
| | | | | | | | * 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.
* Move linux/dev/include/asm-i386/segment.h to src treeGuillem Jover2009-12-181-38/+79
| | | | | * linux/dev/include/asm-i386/segment.h: Move to ... * linux/src/include/asm-i386/segment.h: ... here.
* 2007-07-09 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault2009-06-181-0/+1
| | | | | | | | | | | | | | | | | * i386/i386/db_interface.c (int_regs): Drop gs and fs fields. (kdb_kentry): Get fs and gs from struct i386_interrupt_state instead of struct int_regs. * i386/i386/kttd_interface.c (int_regs, kttd_netentry): Likewise. * i386/i386/locore.S (all_intrs): Save fs and gs and set them to kernel segment too. (return_to_iret): Restore fs and gs too. (return_to_iret_i): Likewise. (ast_from_interrupt): Set fs and gs to kernel segment too. (kdb_from_iret): Don't save/restore fs and gs either. (ttd_from_iret): Likewise. * i386/i386/thread.h (i386_interrupt_state): Add gs and fs fields. * linux/src/include/asm-i386/irq.h (SAVE_ALL): Set gs to kernel segment too.
* 2007-08-04 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault2009-06-183-0/+37
| | | | | | | | | | | | | | | | | | | | | | | * linux/dev/arch/i386/kernel/irq.c: Include <asm/hardirq.h>. (local_bh_count, local_irq_count, global_irq_holder, global_irq_lock) (global_irq_count, check_smp_invalidate, show, wait_on_bh) (wait_on_irq, synchronize_bh, synchronize_irq, get_irqlock) (__global_cli, __global_sti, __global_save_flags) (__global_restore_flags): New variables and functions from Linux 2.2 * linux/src/drivers/net/3c515.c (test_and_set_bit): Remove macro. * linux/src/drivers/net/de4x5.c (test_and_set_bit): Remove macro. * linux/src/drivers/net/eth16i.c (test_and_set_bit): Remove macro. * linux/src/drivers/net/kern_compat.h (test_and_set_bit): Remove macro. * linux/src/drivers/net/pcnet32.c (test_and_set_bit): Remove macro. * linux/src/include/linux/compatmac.h (test_and_set_bit) (test_and_clear_bit): Remove macro. * linux/src/include/asm-i386/atomic.h (atomic_read): New macro. * linux/src/include/asm-i386/bitops.h (test_and_set_bit) (test_and_clear_bit, test_and_change_bit): New inline functions. * linux/src/include/asm-i386/hardirq.h (local_bh_count): New declaration. * linux/src/include/linux/tasks.h (NR_CPUS): Set to NCPUS. (NO_PROC_ID): New macro.
* 2006-06-09 Stefan Siegl <stesie@brokenpipe.de>Thomas Schwinge2009-06-181-0/+30
| | | | | | | | | | | | | | | | * linux/dev/include/asm-i386/uaccess.h: New dummy file. * linux/dev/include/linux/pm.h: Likewise. * linux/dev/include/linux/threads.h: Likewise. * linux/src/include/linux/symtab_begin.h: New file from Linux 2.0.40. * linux/src/include/linux/symtab_end.h: Likewise. * linux/src/include/linux/module.h: Update from Linux 2.0.40 with minor changes. * linux/src/include/linux/list.h: New file from Linux 2.2.26. * linux/src/include/linux/kcomp.h: Likewise with minor changes. * linux/src/include/linux/wait.h: Update from Linux 2.2.26. * linux/src/include/linux/wireless.h: Likewise. * linux/src/include/asm-i386/bitops.h [__KERNEL__] (ffs, hweight32) (hweight16, hweight8): Copy from Linux 2.2.26.
* 2006-01-22 Thomas Schwinge <tschwinge@gnu.org>Thomas Schwinge2009-06-181-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * configure, i386/configure, i386/linux/configure, linux/configure, i386/linux/device-drivers.h.in: Regenerated. * linux/src/drivers/net/ne2k-pci.c: Resolve conflicts. 2006-01-22 Guillem Jover <guillem@hadrons.org> * i386/linux/configure.ac: Renamed winbond-840 driver to winbond_840. Enable the starfire, intel_gige and natsemi network drivers. Remove "CONFIG_" from cb_chim, starfire, sundance, winbond840, hamachi, natsemi, myson803 and ns820 driver declarations. Replace INTER_GIGE with INTEL_GIGE. * linux/dev/drivers/net/Space.c: Add conditional probes for natsemi, ns820, winbond840, hamachi, sundance, starfire, myson803 and intel-gige drivers. * linux/src/include/asm-i386/cache.h: New file from linux 2.2.26. * linux/dev/include/linux/malloc.h: Include <asm/cache.h>. * linux/src/drivers/net/ns820.c (netsami_drv_id): Renamed to ... (ns820_drv_id): ... this. Fix all callers. * linux/src/drivers/net/intel-gige.c (skel_netdev_probe): Renamed to ... (igige_probe): ... this. * linux/dev/drivers/net/eepro100.c: Remove obsoleted file. * linux/src/drivers/net/eepro100.c (pci_id_tbl): Add PCI ID's from linux-2.6.14-rc4. 2006-01-22 Alfred M. Szmidt <ams@gnu.org> * i386/linux/configure.ac: Added `pci-scan.o' to the network driver class. (ns820, myson803, sundance, winbond-840, hamachi): New drivers. * i386/linux/Makefile.in (linux-net-files): Added `cb_shim.c', `hamachi.c', `intel-gige.c', `myson803.c', `natsemi.c', `ns820.c', `starfire.c', `sundance.c', `winbond-840.c' and `pci-scan.c'. * linux/dev/include/linux/modversions.h: New file. * linux/src/drivers/net/cb_shim.c, linux/src/drivers/net/hamachi.c, linux/src/drivers/net/intel-gige.c, linux/src/drivers/net/myson803.c, linux/src/drivers/net/natsemi.c, linux/src/drivers/net/ns820.c, linux/src/drivers/net/starfire.c, linux/src/drivers/net/sundance.c, linux/src/drivers/net/winbond-840.c, linux/src/drivers/net/kern_compat.h, linux/src/drivers/net/pci-scan.c, linux/src/drivers/net/pci-scan.h: New files from netdrivers 3.5 package (http://www.scyld.com/network). * linux/src/drivers/net/3c59x.c, linux/src/drivers/net/eepro100.c, linux/src/drivers/net/epic100.c, linux/src/drivers/net/ne2k-pci.c, linux/src/drivers/net/rtl8139.c, linux/src/drivers/net/tulip.c, linux/src/drivers/net/via-rhine.c, linux/src/drivers/net/yellowfin.c: Updated files from netdrivers 3.5 (http://www.scyld.com/network).
* 2004-01-15 Alfred M. Szmidt <ams@kemisten.nu>Roland McGrath2009-06-181-30/+29
| | | | | | | | | | * linux/dev/include/asm-i386/string.h (memscan): Don't use multi-line string literals for asm(). * linux/dev/include/asm-i386/segment.h (__generic_memcpy_tofs) (__generic_memcpy_fromfs): Likewise. * linux/src/include/asm-i386/floppy.h (floppy_hardint): Likewise. * i386/i386/proc_reg.h (flush_instr_queue): Likewise. * i386/i386/gdt.c (gdt_init): Likewise.
* 2001-08-18 Marcus Brinkmann <marcus@gnu.org>Marcus Brinkmann2001-08-172-0/+327
| | | | | | | | | | | | * linux/src/drivers/net/eepro100.c: File updated to version in Linux 2.2.19. * linux/src/include/asm-i386/spinlock.h: New file from Linux 2.2.19. * linux/src/include/asm-i386/hardirq.h: Likewise. * linux/src/include/linux/spinlock.h: Likewise. * linux/src/include/linux/compatmac.h: Likewise. * linux/dev/drivers/net/eepro100.c: New file, modified version from the above to glue it in gnumach. Submitted by Kapil H. Paranjape <kapil@imsc.ernet.in>.
* 2000-07-04 Marcus Brinkmann <marcus@gnu.org>Marcus Brinkmann2000-07-232-285/+96
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * debian/changelog: Add entry for new Debian upload. * linux/dev/drivers/scsi/seagate.c (WRITE_CONTROL, WRITE_DATA): Added from linux 2.2.15. (__asm__ constructs): Replace with equivalent C code from linux 2.2.15 to support gcc-2.95. * linux/src/drivers/scsi/in2000.h: Update asm code to linux 2.2.15. * linux/src/drivers/scsi/ppa.c: Replace asm code with equivalent C code from linux 2.2.15. 2000-02-06 Stefan Weil <stefan.weil@de.heidelberg.com> * device/subrs.c: Fixed compiler warning. * ddb/db_output.c, kern/bootstrap.c, kern/debug.c, kern/printf.c: Replaced varargs.h by stdarg.h. Fixed prototypes (const char *fmt). * ddb/db_output.h: Use prototype for db_printf. * i386/Files: removed varargs.h. * i386/i386/pit.h: Fixed compiler warning. * i386/i386at/model_dep.c: Tried to fix compiler warning. * i386/include/mach/sa/sys/varargs.h: Removed. * i386/linux/Makefile.in: Removed delay.S, added delay.c. * linux/dev/include/asm-i386/segment.h: Support gcc-2.95. * linux/dev/include/asm-i386/string.h, linux/src/include/asm-i386/string.h: Update from linux-2.2.14. * linux/dev/lib/vsprintf.c: Fixed compiler warning. * linux/src/include/asm-i386/delay.h: Update from linux-2.2.14. * linux/src/arch/i386/lib/delay.c: Copy from linux-2.2.14. * linux/src/include/asm-i386/string.h: Update from linux-2.2.14.
* 1998-11-30 OKUJI Yoshinori <okuji@kuicr.kyoto-u.ac.jp>Thomas Bushnell1999-04-2637-0/+5719
Clean up linux emulation code to make it architecture-independent as much as possible. * linux: Renamed from linuxdev. * Makefile.in (objfiles): Add linux.o instead of linuxdev.o. (MAKE): New variable. Used for the linux.o target. * configure.in: Add AC_CHECK_TOOL(MAKE, make). * i386/i386/spl.h: Include <i386/ipl.h>, for compatibility with OSF Mach 3.0. Suggested by Elgin Lee <ehl@funghi.com>. * linux/src: Renamed from linux/linux. * linux/dev: Renamed from linux/mach. * linux/Drivers.in (AC_INIT): Use dev/include/linux/autoconf.h, instead of mach/include/linux/autoconf.h. * Makefile.in (all): Target ../linux.o instead of ../linuxdev.o. * linux/dev/drivers/block/genhd.c: Include <machine/spl.h> instead of <i386/ipl.h>. * linux/dev/drivers/net/auto_irq.c: Remove unneeded header files, <i386/ipl.h> and <i386/pic.h>. * linux/dev/init/main.c: Many i386-dependent codes moved to ... * linux/dev/arch/i386/irq.c: ... here. * linux/dev/arch/i386/setup.c: New file. * linux/dev/arch/i386/linux_emul.h: Likewise. * linux/dev/arch/i386/glue/timer.c: Merged into sched.c. * linux/dev/arch/i386/glue/sched.c: Include <machine/spl.h> instead of <i386/ipl.h>, and moved to ... * linux/dev/kernel/sched.c: ... here. * linux/dev/arch/i386/glue/block.c: Include <machine/spl.h> and <linux_emul.h>, instead of i386-dependent header files, and moved to ... * linux/dev/glue/blocl.c: ... here. * linux/dev/arch/i386/glue/net.c: Include <machine/spl.h> and <linux_emul.h>, instead of i386-dependent header files, and moved to ... * linux/dev/glue/net.c: ... here. * linux/dev/arch/i386/glue/misc.c: Remove `x86' and moved to ... * linux/dev/glue/misc.c: ... here. * linux/dev/arch/i386/glue/kmem.c: Moved to ... * linux/dev/glue/kmem.c: ... here.
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