Commit graph

134 commits

Author SHA1 Message Date
Arun Thomas
93ae43f577 boot: Add multiboot support
Not yet fully spec-compliant; work in progress
2011-06-24 17:21:51 +02:00
Gianluca Guida
cc17b27a2b Build NetBSD libc library in world in ELF mode.
3 sets of libraries are built now:
  . ack: all libraries that ack can compile (/usr/lib/i386/)
  . clang+elf: all libraries with minix headers (/usr/lib/)
  . clang+elf: all libraries with netbsd headers (/usr/netbsd/)

Once everything can be compiled with netbsd libraries and headers, the
/usr/netbsd hierarchy will be obsolete and its libraries compiled with
netbsd headers will be installed in /usr/lib, and its headers
in /usr/include. (i.e. minix libc and current minix headers set
will be gone.)

To use the NetBSD libc system (libraries + headers) before
it is the default libc, see:
   http://wiki.minix3.org/en/DevelopersGuide/UsingNetBSDCode
This wiki page also documents the maintenance of the patch
files of minix-specific changes to imported NetBSD code.

Changes in this commit:
  . libsys: Add NBSD compilation and create a safe NBSD-based libc.
  . Port rest of libraries (except libddekit) to new header system.
  . Enable compilation of libddekit with new headers.
  . Enable kernel compilation with new headers.
  . Enable drivers compilation with new headers.
  . Port legacy commands to new headers and libc.
  . Port servers to new headers.
  . Add <sys/sigcontext.h> in compat library.
  . Remove dependency file in tree.
  . Enable compilation of common/lib/libc/atomic in libsys
  . Do not generate RCSID strings in libc.
  . Temporarily disable zoneinfo as they are incompatible with NetBSD format
  . obj-nbsd for .gitignore
  . Procfs: use only integer arithmetic. (Antoine Leca)
  . Increase ramdisk size to create NBSD-based images.
  . Remove INCSYMLINKS handling hack.
  . Add nbsd_include/sys/exec_elf.h
  . Enable ELF compilation with NBSD libc.
  . Add 'make nbsdsrc' in tools to download reference NetBSD sources.
  . Automate minix-port.patch creation.
  . Avoid using fstavfs() as it is *extremely* slow and unneeded.
  . Set err() as PRIVATE to avoid name clash with libc.
  . [NBSD] servers/vm: remove compilation warnings.
  . u32 is not a long in NBSD headers.
  . UPDATING info on netbsd hierarchy
  . commands fixes for netbsd libc
2011-06-24 11:46:30 +02:00
Erik van der Kouwe
c2da8cb535 Globally enable -Wall warnings for GCC 2011-06-08 19:21:03 +00:00
Erik van der Kouwe
0cb22acbda Fix VM -Wall warnings and enable -Werror 2011-06-01 11:30:58 +02:00
Arun Thomas
350b60661a ELF multiboot support 2011-05-04 18:51:43 +02:00
Ben Gras
5f1ab506c8 remove some debugging output from vm/region.c
- don't print verbose process map when legitimate errors occur
2011-03-16 11:57:35 +00:00
Arun Thomas
25a790a631 VM and kernel support for ELF 2011-02-26 23:00:55 +00:00
Ben Gras
c7b2b11ec2 vm: only suspend and resume process with vmctls in pt_writemap in smp mode 2011-02-11 14:56:52 +00:00
Arun Thomas
372b873413 VFS/RS support for ELF 2010-12-10 09:27:56 +00:00
Tomas Hruby
de1bcaa69a VM implicitly aligns mappings to a page
- problem when a PCI BAR is not aligned

- together with  David v. Moolenboek
2010-10-21 17:07:05 +00:00
Ben Gras
ddde360e3e vm - hash table for block cache 2010-10-15 09:10:14 +00:00
Ben Gras
cb2e3a98a2 vm - fix for not placing region outside requested mmap addr 2010-10-15 09:09:29 +00:00
Ben Gras
a3f2df124c vm optimisation - maintain hint for new virtual region position. 2010-10-07 10:04:05 +00:00
Ben Gras
e2570d9b1b vm: optimisation: avl tree for virtual regions
- regions were preivous stored in a linked list, as 'normally'
    there are just 2 or 3 (text, data, stack), but that's slow
    if lots of regions are made with mmap()

  - measurable performance improvement with gcc and clang
2010-10-04 11:41:10 +00:00
Ben Gras
36189370a5 vm: don't check the range of memory during sanity checking
- too many false positives due to memory that is mapped in
    legitimately (acpi, i/o devices)
2010-10-04 11:38:33 +00:00
Tomas Hruby
6513d20744 SMP - Process is stopped when VM modifies the page tables
- RTS_VMINHIBIT flag is used to stop process while VM is fiddling with
  its pagetables

- more generic way of sending synchronous scheduling events among cpus

- do the x-cpu smp sched calls only if the target process is runnable.
  If it is not, it cannot be running and it cannot become runnable
  this CPU holds the BKL
2010-09-15 14:11:12 +00:00
David van Moolenbroek
3eb65448a6 VM: expose secondary cache size 2010-09-14 21:22:56 +00:00
Arun Thomas
de231a713e Move MIN() and MAX() macros to sys/params.h 2010-08-21 13:10:41 +00:00
Arun Thomas
9a21d1a2fd Macros for symbols used in both ASM and C
-The macros take care of prepending the leading underscore when
 necessary.
2010-08-17 16:44:07 +00:00
Erik van der Kouwe
d7c70a41e5 Allow vm to split blocks in memory map (needed for multiboot, contributed by Feiran "Fam" Zheng 2010-07-23 14:22:13 +00:00
Tomas Hruby
f6f20e1269 Overly restrictive assert
- not true if APIC is enabled
2010-07-21 13:46:29 +00:00
Cristiano Giuffrida
0824146978 Disable debug info on trunk. 2010-07-21 08:22:24 +00:00
Cristiano Giuffrida
91a83fe265 Crash recovery and live update support for VM. 2010-07-20 23:03:52 +00:00
Cristiano Giuffrida
0d984b36ef Get rid of static spare pages after VM startup. 2010-07-20 21:59:27 +00:00
Cristiano Giuffrida
40b4e71db2 COW for physically contiguous blocks in VM 2010-07-20 18:57:25 +00:00
Cristiano Giuffrida
1b7d95df29 Generalize interface of some VM functions 2010-07-20 02:08:28 +00:00
Ben Gras
16d0609fad vm: restore sanity checks in NONCONTIGUOUS case. 2010-07-19 18:20:14 +00:00
Ben Gras
068944de36 vm: add MEMPROTECT feature in vm.h. 2010-07-19 18:19:59 +00:00
Ben Gras
77267ca28b vm: add missing USE() macros in utility.c. 2010-07-19 18:19:38 +00:00
Ben Gras
5e2c84b119 vm: allow readonly pages when sanity checking when they're supposed to be rw. 2010-07-19 18:19:16 +00:00
Ben Gras
8c925134f9 vm: NONCONTIGUOUS - try to make physical memory as maximally noncontiguous 2010-07-09 12:22:33 +00:00
Ben Gras
fc8f0b9ee2 vm: better fix for clang 'unused expression' warning 2010-07-05 17:34:26 +00:00
Ben Gras
86139e8bf2 vm: last commit should not have included wiping out these calls
(this was done temporarily to make vm work with clang; vm crashes when
the 64-bit arithmetic functions are used when compiled with clang.)
2010-07-05 14:01:34 +00:00
Ben Gras
b4bea1bfcb vm: fixes for clang warnings 2010-07-05 13:58:57 +00:00
Cristiano Giuffrida
9e4312453d Improve memory pinning. 2010-07-01 08:54:25 +00:00
Cristiano Giuffrida
06700d05d1 Give RS a page table. 2010-06-28 21:53:37 +00:00
Ben Gras
6e47e2996f sep ${.OBJDIR} fixes by Antoine Leica. 2010-06-27 23:47:23 +00:00
Arun Thomas
c0c8d25799 Rename mkfiles from minix.*.mk to bsd.*.mk
Makes things easier for pkgsrc
2010-06-25 18:29:09 +00:00
Cristiano Giuffrida
5c7d64b981 No malloc() in VM. 2010-06-25 12:48:56 +00:00
Erik van der Kouwe
498d7d8a4c Don't use kernel responses in servers 2010-06-24 07:37:26 +00:00
Tomas Hruby
8214e5e284 Removed racy COW optimization
- enabling writing in COW once phys block is reference only once is racy if VM
  is preemptible. original memory location may get overwritten before COW copies
  the memory

- problem when DEBUG_RACE is on and a big problem for SMP
2010-06-18 12:46:18 +00:00
Tomas Hruby
1207fcc6f0 int to endpoint_t conversions in mmap 2010-06-09 09:14:53 +00:00
Ben Gras
31adc0a3c4 vm: junkfree feature that fills freed pages with a recognizable pattern. 2010-06-08 00:59:48 +00:00
Arun Thomas
b641afc78a VM: Remove legacy non-paging code paths 2010-06-05 14:39:40 +00:00
Arun Thomas
007104d60e GCC build fixes/updates
-Set stack sizes for boot image processes
-Increase RS stack size
-Reduce ramdisk size
-HARDWARE task should use kernel stack
-Minor asm tweaks for leading underscores
2010-05-26 18:45:55 +00:00
Erik van der Kouwe
1f11a57141 Oops, last commit included more than was intended 2010-05-20 08:07:47 +00:00
Erik van der Kouwe
5f15ec05b2 More system processes, this was not enough for the release script to run on some configurations 2010-05-20 08:05:07 +00:00
Ben Gras
c5c25e7abc kernel/vm: change pde table info from single buffer to explicit per-process.
makes code in kernel more readable, and allows better sanity checking on
using the pde info.
2010-05-12 08:31:05 +00:00
Tomas Hruby
6e25ad8b0a Use of all NIL_* defines converted to NULL 2010-05-10 13:26:00 +00:00
Ben Gras
d5a0af826a vm: use arch_map2str to print pagefault info, to properly display code addrs 2010-05-08 17:25:54 +00:00