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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.
2011-02-27Acknoledge 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.
2011-02-26Add 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.
2011-01-31Drop 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 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.
2010-10-23Recognize P4 and Opteron-like as pentium proSamuel Thibault
* i386/i386at/model_dep.c (c_boot_entry): Treat cpu_type 15 as Pentium pro.
2010-09-14Fix ifunc entriesSamuel Thibault
* i386/ldscript: Update to the version from binutils 2.20.51.20100617. Remove SEARCH_DIR calls. * Makefile.am (clib_routines): Accept undefined __rel_iplt_start and __rel_iplt_end as these come from the ldscript. * i386/i386at/boothdr.S (boot_entry): Call ifunc hooks at boot. * i386/xen/xen_boothdr.S (start): Likewise.
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.
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.
2009-12-18Add missing function prototypesGuillem Jover
* i386/i386/pcb.c (Load_context): New prototype. * i386/i386at/lpr.c (lprpr_addr): 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.
2009-12-18Match function types with `struct tty' member functionsGuillem Jover
* i386/i386at/com.c (comstart): Change return type to `void'. * i386/i386at/lpr.c (lprstop): Likewise.
2009-12-16Add 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.
2009-11-28Add -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.
2009-11-22Use 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.
2009-11-22Replace 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.
2009-11-22Do 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.
2009-11-22Rename 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 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].
2009-10-20Fix 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
2009-10-14Advertise memory size truncationsSamuel Thibault
i386/i386at/model_dep.c (mem_size_init): Advertise memory size truncations.
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.
2009-06-182008-11-10 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
[task #8135 --- ``PAE for GNU Mach'] * i386/configfrag.ac: Add --enable-pae option, which defines PAE. * i386/i386/i386asm.sym (PDPSHIFT, PDEMASK): New assembly macros. * i386/i386/locore.S [PAE] (copyout_retry): Use page directory pointer bits. * i386/i386at/model_dep.c [PAE] (i386at_init): Set second initial 2MB page. Enable PAE bit. Set cr3 to page directory pointer table instead of page directory. * i386/intel/pmap.c [PAE] (pmap_bootstrap, pmap_create): Allocate 4 pages for dirbase. Setup pdpbase. [PAE] (pmap_destroy): Free 4 pages from dirbase. Free pdpbase. * i386/intel/pmap.h [PAE] (pt_entry_t): Typedef to unsigned long long. [PAE] (PDPSHIFT, PDPNUM, PDPMASK): New macros. [PAE] (PDESHIFT, PDEMASK, PTEMASK): Set to PAE values. [PAE] (lin2pdenum, NPDES): Make them take the page directory pointer index into account too. [PAE] (struct pmap): Add `pdpbase' member. (set_dirbase): Remove macro, replaced by... (set_pmap): New macro, taking a pmap instead of the dirbase. (PMAP_ACTIVATE_USER): Use set_pmap instead of set_dirbase.
2009-06-182008-07-23 Barry deFreese <bddebian@comcast.net>Samuel Thibault
* device/chario.c (ttyinput_many): Change chars param to char *. * device/tty.h (ttyinput_many): Likewise. * i386/i386/pcb.h: Include <mach/exec/exec.h>. * i386/i386at/autoconf.h: Include <chips/busses.h>. * i386/i386at/model_dep.c (inittodr): Cast &new_time.seconds to u_int *. * ipc/mach_port.c (mach_port_insert_right): Cast poly to ipc_object_t. * ipc/mach_debug.c (host_ipc_hash_info): Initialize size to 0 to make the compiler believe that there is no bug. * ipc/mach_debug.c (mach_port_space_info): Likewise for tree_size and table_size. * i386/i386at/com.c (commctl): Likewise for b. * i386/i386/trap.c (user_trap): Likewise for exc. * i386/i386/user_ldt.c (i386_set_ldt): Likewise for old_copy_object. * i386/i386at/com.c (comintr): Check line_stat&iOR instead of line&iOR.
2009-06-182008-07-23 Barry deFreese <bddebian@comcast.net>Samuel Thibault
* i386/i386/locore.h (copyinmsg, copyoutmsg): Make parameters const void* and void* instead of vm_offset_t. * i386/i386at/com.c (comportdeath): Cast port as ipc_port_t in tty_portdeath call. * i386/i386at/kd.c (kdportdeath): Likewise. * i386/i386at/lpr.c (lprportdeath): Likewise. * i386/i386at/kd_mouse.c (mouse_handle_byte): Cast param to wakeup() as vm_offset_t. * i386/intel/pmap.c (pmap_destroy): Cast arg 2 of kmem_free() to vm_offset_t. * i386/intel/pmap.h: Cast all arg 1 params to kvtophy() to vm_offset_t. * ipc/ipc_kmsg.c: Remove casts from params to copyinmsg and copyoutmsg calls. * ipc/mach_msg.c: Likewise. * kern/exceptions.c: Likewise. * ipc/mach_msg.c: Remove casts from params to copyout calls. * ipc/bootstrap.c: Likewise. * kern/ipc_tt.c (mach_ports_register): Cast memory[i] as ipc_port_t in assignment.
2009-06-182008-07-19 Barry deFreese <bddebian@comcast.net>Samuel Thibault
* chips/busses.h (bus_ctlr, bus_device): Make intr return void instead of int. * device/tty.h (tty): Make t_start and t_stop return void instead of int. * i386/i386/ipl.h (ivect[]): return void instead of int. * i386/i386at/pic_isa.h (ivect[]): Likewise. * i386/i386at/kd_mouse.c (mouseintr): Likewise. * i386/i386at/com.c (comintr, comstop): Likewise. * i386/i386at/kd.c (kdcnputc, kdstart, kdstop, kdintr): Likewise. * i386/i386/trap.c (exception, thread_exception_return, i386_exception): Add __attribute__ ((noreturn)). * i386/i386at/kd.c (kdcnprobe): Return 0 at end of function. * i386/i386at/lpr.c (lprintr, lprstart): Return void instead of int. (lprstart): Don't return numeric values any longer. * kern/eventcount.c (evc_wait_clear): Return a value. * kern/exceptions.c (exception, exception_try_task, exception_no_server, exception_raise, exception_raise_continue, exception_raise_continue_slow, exception_raise_continue_fast): Add __attribute__ ((noreturn)). (exception, exceptio_try_task, exception_raise, exception_raise_continue_slow, exception_raise_continue_fast): Remove spurious returns. (exception_no_server): Add panic() on return from thread_halt_self().
2009-06-182008-07-20 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* device/net_io.c (net_set_filter): Reference the proper member instead of casting pointers. * device/subrs.c (ether_sprintf): Set type of `i' to `int'. * i386/i386/trap.c (kernel_trap): Pass page fault address to printf. * i386/i386at/rtc.c (rtcget): Fix parenthesis to really test the bit.
2009-06-182008-07-20 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* linux/pcmcia-cs/glue/wireless_glue.h (schedule_task): Add parameter to Debugger() call. * kern/lock_mon.c (retry_simple_lock, retry_bit_lock): Likewise. * kern/machine.c (Debugger): Remove declaration. 2008-07-19 Barry deFreese <bddebian@comcast.net> * device/dev_hdr.h (dev_name_lookup, dev_set_indirection): Add prototypes. * device/dev_pager.c: Include <vm/vm_user.h>. * device/ds_routines.c: Likewise. * device/subrs.c: Likewise. * device/device_init.c: Include <device/tty.h>. * device/ds_routines.h (iowait): Add prototype. * device/net_io.h (net_kmsg_collect): Add prototype. * device/net_io.c (hash_ent_remove, net_free_dead_infp, net_free_dead_entp, bpf_validate, bpf_eq, net_add_q_info, bpf_match): Add forward declarations. * device/subrs.h: New header. * i386/i386/fpu.h: Include <sys/types.h>. Change <i386/thread.h> include to <kern/thread.h>. (fp_save, fp_load, fp_free, fpu_module_init, fpu_set_state, fpu_get_state, fpnoextflt, fpextovrflt, fpexterrflt, init_fpu): Add prototypes. * i386/i386/gdt.h (gdt_init): Add prototype. * i386/i386/io_map.c: Include <vm/pmap.h>. * vm/vm_kern.c: Likewise. * i386/i386/ktss.h (ktss_init): Add prototype. * i386/i386/ldt.h (ldt_init): Add prototype. * i386/i386/loose_ends.h: New header. * i386/i386/loose_ends.c (delay): Complete prototype. * i386/i386/model_dep.h (startrtclock): Add prototype. * i386/i386/pcb.h (load_context, stack_attach, stack_detach, switch_ktss): Add prototypes. * i386/i386/pic.h (form_pic_mask, picinit): Add prototypes. * i386/i386/pit.c: Include <i386/pic.h>. * i386/i386at/kd_mouse.c: Likewise. * i386/i386/pit.h (clkstart): Add prototype. * i386/i386/trap.c: Include <i386/fpu.h>, <intel/read_fault.h>, <vm/vm_fault.h>. * i386/i386/trap.h (interrupted_pc): Add prototype. * i386/i386/user_ldt.c: Include <i386/pcb.h>. * i386/i386at/autoconf.h: New header. * i386/i386at/com.h: New header. * i386/i386at/com.c: Include <i386at/autoconf.h>, <i386at/com.h>. * i386/i386at/idt.h (idt_init): Add prototype. * i386/i386at/int_init.h: New header. * i386/i386at/kd.c: Include <i386/loose_ends.h>. * kern/debug.c: Likewise. * i386/i386at/kd_event.c: Include <device/ds_routines.h>. * i386/i386at/kd_mouse.c: Likewise. * i386/i386at/kd_mouse.c: Include <device/subrs.h>, <i386at/com.h>. * i386/i386at/lpr.c: Include <i386at/autoconf.h> * i386/i386at/model_dep.c: Include: <i386/fpu.h>, <i386/gdt.h>, <i386/ktss.h>, <i386/ldt.h>, <i386/pic.h>, <i386/pit.h>, <i386at/autoconf.h>, <i386at/idt.h>, <i386at/int_init.h>, <i386at/kd.h>, <i386at/rtc.h>. * i386/i386at/rtc.h (readtodc, writetodc): Add prototypes. * i386/intel/pmap.h: Include <mach/vm_prot.h>. (pmap_bootstrap, pmap_unmap_page_zero, pmap_zero_page, pmap_copy_page, kvtophys): Add prototypes. * i386/intel/read_fault.h: New header. * kern/ast.h (ast_init, ast_check): Add prototypes. * kern/debug.c (Debugger): Move prototype to... * kern/debug.h (Debugger): ... here. * kern/eventcount.h (evc_notify_abort): Add prototype. * kern/ipc_mig.c: Include <kern/syscall_subr.h>, <kern/ipc_tt.h>, <device/ds_routines.h> * kern/ipc_mig.h: New header. * kern/ipc_tt.h (mach_reply_port): Add prototype. * kern/machine.h: New header. * kern/processor.h (pset_sys_bootstrap): Move prototype outside of MACH_HOST check. * kern/sched_prim.h (thread_bind, compute_priority, thread_timeout_setup): Add prototypes. * kern/startup.c: Include <kern/machine.h>, <machine/pcb.h>. * kern/syscall_subr.c: Include <kern/syscall_subr.h>. (thread_depress_abort): Remove prototype. * kern/syscall_subr.h: Include <sys/types.h>, <mach/mach_types.h> (thread_depress_abort): Add prototype. * kern/syscall_sw.c: Include: <kern/debug.h>. * kern/task.h (consider_task_collect): Add prototype. * kern/thread.c: Include <kern/eventcount.h>, <kern/ipc_mig.h>, <kern/syscall_subr.h>. * kern/thread.h (stack_collect): Add prototype. * linux/pcmcia-cs/glue/pcmcia_glue.h (Debugger): Remove prototype. * util/putchar.c: Include <device/cons.h>. * util/putchar.h: New header. * util/puts.c: Include <device/cons.h>, <util/putchar.h>. * vm/memory_object.c: Include <vm/vm_map.h>. (memory_object_data_provided): Move function below memory_object_data_supply definition. * vm/vm_init.c: Include <vm/vm_fault.h>. * vm/vm_kern.h (projected_buffer_in_range): Add prototype. * vm/vm_map.c: Include <vm/pmap.h>, <vm/vm_resident.h>. (vm_map_delete, vm_map_copyout_page_list, vm_map_copy_page_discard): Add forward declaration. * vm/vm_map.h (vm_map_copyin_object, vm_map_submap, _vm_map_clip_start, _vm_map_clip_end): Add prototypes. * vm/vm_pageout.c: Include <device/net_io.h>, <kern/task.h>, <machine/locore.h>. * vm/vm_resident.h: New header. * vm/vm_user.c: Include <vm/vm_kern.h>. * vm/pmap.h (pmap_pageable, pmap_map_bd): Add prototype.
2009-06-182008-07-15 Barry deFreese <bddebian@comcast.net>Samuel Thibault
* device/dev_pager.c (device_pager_data_request, device_pager_data_request_done, device_pager_init_pager): Fix printf formats. * i386/i386/debug_i386.c (dump_ss): Likewise. * i386/i386/trap.c (user_trap): Likewise. * i386/i386at/com.c (comtimer): Likewise. * ipc/ipc_notify (ipc_notify_port_deleted, ipc_notify_msg_accepted, ipc_notify_port_destroyed, ipc_notify_no_senders, ipc_notify_send_once, ipc_notify_dead_name): Likewise. * kern/ipc_kobject.c (ipc_kobject_destroy): Likewise. * kern/sched_prim.c (do_runq_scan): Likewise. * linux/pcmcia-cs/clients/smc91c92_cs.c (smc_start_xmit): Likewise. * linux/src/drivers/net/sundance.c (start_tx): Likewise. * vm/vm_fault.c (vm_fault_page): Likewise. * vm/vm_map.c (vm_map_pmap_enter): Likewise. * vm/vm_object.c (vm_object_collapse): Likewise.
2009-06-182008-07-15 Barry deFreese <bddebian@comcast.net>Samuel Thibault
* i386/i386/model_dep.h: New header. * i386/i386at/model_dep.c: Include <i386/model_dep.h>. * kern/debug.c: Include <machine/model_dep.h>. * kern/mach_clock.c: Likewise. * kern/sched_prim.c: Likewise. * kern/startup.c: Likewise. * kern/machine.c: Likewise. (halt_cpu): Remove prototype. * vm/pmap.h (pmap_grab_page): Add prototype.
2009-06-182008-07-15 Barry deFreese <bddebian@comcast.net>Samuel Thibault
* i386/i386at/kd.h (kd_isupper, kd_islower, kd_senddata, kd_sendcmd, kd_cmdreg_write, kd_mouse_drain, set_kd_state, kd_setleds1, kd_setleds2, cnsetleds, kdreboot, kd_putc, kd_parseesc, kd_down, kd_up, kd_cr, kd_tab, kd_left, kd_right, kd_scrollup, kd_scrolldn, kd_cls, kd_home, kd_atoi, kd_insch, kd_cltobcur, kd_cltopcur, kd_cltoecur, kd_clfrbcur, kd_eraseln, kd_insln, kd_delln, kd_delch, kd_erase, kd_bellon, kd_belloff, kdinit, kdsetkbent, kdgetkbent, kdsetbell, kd_resend, kd_handle_ack, kd_kbd_magic, kdstate2idx, kd_parserest, kdcnmaygetc, kd_slmwd, kd_slmscu, kd_slmscd): Add prototypes. * i386/i386at/kd.c (do_modifier): Add prototype.
2009-06-182008-07-15 Barry deFreese <bddebian@comcast.net>Samuel Thibault
* device/cons.c (cnputc): Turn parameter `c' into a char. * device/cons.h (cninit, cngetc, cnmaygetc, cnputc): Add prototypes. * i386/i386at/model_dep.c: Include <device/cons.h> * kern/printf.c: Include <device/cons.h> (cnputc): Remove prototype. (vprintf, iprintf): Explicitely cast cnputc into the type _doprnt expects. * linux/dev/kernel/printk.c: Include <device/cons.h> (cnputc): Remove prototype.
2009-06-182007-08-04 Samuel Thibault <samuel.thibault@ens-lyon.org>Samuel Thibault
* i386/i386at/model_dep.c: Make init_alloc_aligned() extern.
2009-06-182007-05-07 Thomas Schwinge <tschwinge@gnu.org>Thomas Schwinge
[bug #15295 --- ``Mach lets processes write to I/O ports''] * i386/Makefrag.am (libkernel_a_SOURCES): Add `i386/i386/io_perm.c', `i386/i386/io_perm.h', `i386/i386/machine_task.c', `i386/i386/task.h' and remove `i386/i386/io_port.h', `i386/i386/iopb.c', `i386/i386/iopb.h'. * i386/i386/io_port.h: Remove file. * i386/i386at/kd.c: Don't include <i386/io_port.h>. (vga_port_list, kd_io_device, kd_io_map_open, kd_io_map_close): Don't define and don't use anymore. * include/stddef.h: New file. * i386/i386/io_perm.c: Include <string.h>, <device/device_emul.h>, <ipc/ipc_space.h> and don't include <oskit/ds_oskit.h>. (io_perm_device_emulation_ops): New variable. (dev_open_alloc, setup_no_senders): Remove declarations. (convert_io_perm_to_port, convert_port_to_io_perm, io_perm_deallocate): Rewrite. (no_senders): New function. (i386_io_perm_create, i386_io_perm_modify): Rewrite partially, to adapt to the GNU Mach environment. * i386/i386/io_perm.h: Include <device/dev_hdr.h> and <ipc/ipc_types.h>. (io_perm, io_perm_t): New structure and accompanying type definition. (IO_PERM_NULL): Define. * i386/i386/locore.S (ktss): Move variable to... * i386/i386/ktss.c: ... here, make it a ``struct task_tss''. (ktss_init): Initialize the `task_tss' structure and the i/o permission bit map. * i386/i386/ktss.h: Adapt to that. * i386/i386/machine_task.c (machine_task_module_init): Adapt the `zinit' call to the GNU Mach environment. * i386/i386/mp_desc.c: Include <machine/ktss.h>. * i386/i386/tss.h: Include <machine/io_perm.h>. (task_tss): New structure, equivalent to the OSKit-Mach one. * i386/include/mach/i386/mach_i386.defs: Don't include <device/device_types.defs>. (device_list_t): Remove type. * i386/include/mach/i386/mach_i386_types.h (device_list_t): Remove type definition. 2007-05-07 Marcus Brinkmann <marcus@gnu.org> [bug #15295 --- ``Mach lets processes write to I/O ports''] * i386/i386/iopb.h, i386/i386/iopb.c: Obsolete files removed. * i386/i386/pcb.c (switch_context): Update the I/O permission bitmap from stack_handoff() here (not only in stack_handoff()). * i386/i386/machine_task.c (machine_task_module_init): Set ZONE_COLLECTABLE and ZONE_EXHAUSTIBLE flags for the iopb zone. Requested by Roland McGrath <roland@frob.com>. * i386/i386/io_perm.h: New file. * i386/i386/io_perm.c: New file. * i386/i386/machine_task.c: New file. * i386/i386/mp_desc.h: (struct mp_desc_table): Change type of ktss to struct task_tss. (mp_ktss): Likewise for array of pointers to the struct. * i386/i386/mp_desc.c: Include `machine/tss.h' and `machine/io_perm.h'. (mp_ktss): Change type to array of struct task_tss. (mp_desc_init): Cast pointer to x86_tss into pointer to task_tss, and use size of struct task_tss instead size of struct x86_tss. Initialize the task_tss structure. * i386/i386/pcb.c: Include `stddef.h' and `machine/tss.h'. (iopb_create, iopb_destroy): Prototypes removed. (curr_ktss): Cast pointer to base_tss to pointer to struct task_tss. (switch_ktss): Always use kernel TSS. (update_ktss_iopb): New function. (stack_handoff): Call update_ktss_iopb. (pcb_module_init): Do not call iopb_init. (pcb_terminate): Do not call iopb_destroy. (thread_setstatus): Remove local variable tss. (thread_getstatus): Rewrite i386_ISA_PORT_MAP_STATE case handler. * i386/i386/task.h: New file. * i386/i386/thread.h: Do not include `i386/iopb.h'. (struct i386_machine_state): Remove member io_tss. * i386/include/mach/i386/mach_i386.defs [KERNEL_SERVER]: Include `machine/io_perm.h'. Define intran, outtran and destructor. (io_port_t): New type. (io_perm_t): Likewise. (i386_io_port_add): Interface removed. (i386_io_port_remove): Likewise. (i386_io_port_list): Likewise. (i386_io_perm_create): New interface. (i386_io_perm_modify): Likewise. * i386/include/mach/i386/mach_i386_types.h [MACH_KERNEL]: Include `i386/io_perm.h'. [!MACH_KERNEL]: Define types io_port_t and io_perm_t. * kern/task.c (task_init): Call machine_task_module_init. (task_create): Call machine_task_init. (task_deallocate): Call machine_task_terminate. (task_collect_scan): Call machine_task_collect. * task.h: Include `machine/task.h'. (struct task): Add member machine.
2009-06-182007-05-05 Thomas Schwinge <tschwinge@gnu.org>Thomas Schwinge
* i386/i386at/model_dep.c (halt_cpu, halt_all_cpus): Call `machine_idle' to avoid busy-looping.
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