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715 Commits

Author SHA1 Message Date
bjh21
fe3273fbb4 Patch from PR kern/8001, submitted by Rafal Boni. 
This adds support for EtherExpress/16 cards with 16k of RAM, and in the
process adds general support for PIO mode on these cards.  This entails
changing the way the i82586 driver handles bus barriers, since it doesn't
allow for strange cases like this.

This has been tested on the i386 port with the 'ix' driver in both
16KB (which was the source of the problem) and 32KB modes, as well
as with the 'ef' driver.  I've tested it (briefly) with 'ei' on arm26
as well.  In theory, drivers other than 'ix' should follow precisely the
same code paths as before.
 2001-01-22 22:28:43 +00:00
scw
2c13177ff8 Create machine/m68k symlinks before trying to build the program. 2001-01-21 10:58:04 +00:00
tv
e58532a4bf No-op commit to force update to a non-"-kk" revision. 2001-01-18 17:47:58 +00:00
fvdl
c7f1462f3e Add machdep file for procfs. Currently only used for linux-style 
/proc/cpuinfo (only active when procfs is mounted with -o linux).
For ports other than the i386 this currently produces an empty
string.
 2001-01-17 00:07:18 +00:00
thorpej
d74e432ed3 Make softclock a generic soft interrupt of the API is available, 
adding the requisite void * argument to softclock().
 2001-01-15 20:19:50 +00:00
thorpej
45de366b2e Rename __GENERIC_SOFT_INTERRUPTS to __HAVE_GENERIC_SOFT_INTERRUPTS, 
and place the definition in <machine/types.h>.  This can now be used
as a flag to indicate whether or not <machine/intr.h> can be included
to get the generic soft interrupt API.
 2001-01-14 23:50:28 +00:00
thorpej
a3ec356d52 splimp() -> splvm() 2001-01-14 03:22:04 +00:00
thorpej
d85a75f583 Make sure everybody has an splvm() and equate it with splimp() (splimp() 
is the historical name for this interrupt level, and the historical name
is going to go away in the near future).
 2001-01-14 02:00:37 +00:00
scw
65137701cf g/c the HP/UX core-dump code; it references a function which no longer exists. 2001-01-11 08:44:36 +00:00
dbj
e992baf394 fix logic error in bus_dmamap_sync that was preventing from flush/purging 
full pages instead of only by cache lines
 2000-12-26 07:27:01 +00:00
jdolecek
de31133f1d split off thread specific stuff from struct sigacts to struct sigctx, leaving 
only signal handler array sharable between threads
move other random signal stuff from struct proc to struct sigctx

This addresses kern/10981 by Matthew Orgass.

XXX I wish m68k ports would share trap.c
 2000-12-23 09:35:51 +00:00
scw
8336df62f7 Some small optimisations: 
o Avoid checking cputype when the kernel is built for one cpu variant only.
 o In writeback(), don't use bcopy() to write a mere 16 bytes of 16-byte
   aligned data; it's much quicker to copy it inline.
 2000-12-22 21:02:05 +00:00
scw
d11562c429 A couple of minor functions which return pointers need to do so in %a0 now. 
Spotted by Chuck Silvers.
 2000-12-22 20:57:21 +00:00
scw
00627955a1 Some minor optimisations to avoid checking {cpu,mmu}type when 
the kernel was built for only one type of CPU.
 2000-12-20 16:53:50 +00:00
scw
4350a7f2b7 Unification of the m68k syscall() function. 2000-12-19 21:09:54 +00:00
bouyer
c71f40d166 Add pseudo-device vlan 2000-12-19 10:42:02 +00:00
scw
e82303a96d s/MDECDIR/MDEC_DIR/ 2000-12-18 21:27:01 +00:00
jdolecek
cacec11253 delete obsolete comment 2000-12-17 15:52:39 +00:00
scw
5cabdd3709 Some snippets of documentation for mvme68k... 2000-12-14 20:30:14 +00:00
jdolecek
ca57e681bd g/c obsolete vtrace(2) stuff 2000-12-13 18:13:05 +00:00
scw
5d5ebb1b73 Simplify the reboot code: 
Always jump through the PROM's reset vector, regardless of board type.
  Fix a stack offset problem in the mvme147 reset code path.
 2000-12-10 20:00:21 +00:00
scw
8ace7abc75 A small splx()/spl0()/soft interrupt related optimisation. If we're 
dropping to spl0, use inline code to check if a soft interrupt is
pending instead of taking the hit of a function call to do the check.
 2000-12-10 18:43:02 +00:00
scw
c5b6f43634 Define splzs()' to be splserial()' instead of `spl4()', which was 
wrong anyway since it blindly set SPL to 4 regardless of the prevailing
level.
 2000-12-10 18:00:24 +00:00
scw
1a0a12c5b4 Bah. Somehow the a.out versions of the bootxx symbols got deleted; put 
them back.
 2000-12-09 22:33:24 +00:00
scw
a3dc741c03 Delete the commented out EXEC_ELF32 now that it's in std.mvme68k. 
(Spotted by Simon Burge)
 2000-12-09 21:02:09 +00:00
scw
3c748b810f Missed this one in yesterday's bootloader commits: 
Change BUGCRT from bugcrt.o to bugstart.o.
 2000-12-07 21:37:51 +00:00
scw
3f7cfb70ef Add "options COMPAT_AOUT_M68K". 2000-12-07 08:40:06 +00:00
scw
ac80517816 Add some #defines for offsets into the bugargs structure, and make the 
register names usable within assembly code.
 2000-12-05 21:57:13 +00:00
scw
86c7dac956 Replace the startup C code with assembler, which avoids having to 
explicitly tell the compiler what registers the Bug args come in on.
 2000-12-05 21:54:33 +00:00
scw
7da5cde117 bootxx doesn't need the code relocating stub linked in. 2000-12-05 21:51:38 +00:00
scw
634dc65636 Backout the last change; I'll deal with it another way. 2000-12-05 19:54:09 +00:00
scw
1f9f7cbe53 UPAGES -> 2 as recommended by Chuck Silvers. 2000-12-05 18:46:10 +00:00
scw
2ec144518f Add loadfile_machdep.h to list of installed machine headers. 2000-12-05 18:42:18 +00:00
scw
37f5782c0a Update pm_stats.resident_count when entering pages in the kernel pmap. 2000-12-05 16:07:39 +00:00
scw
bfcd71c79c Clean up the build process to ensure libsa/libbug are built 
before linking the bootloaders.
 2000-12-04 21:25:57 +00:00
scw
349445391c Make this work with the ELF tape bootloader. 2000-12-04 21:24:34 +00:00
scw
5a17a935bc Declare start' in addition to _start'. 2000-12-04 20:31:16 +00:00
scw
269a30a733 s/a6/fp/ again... 2000-12-04 18:48:18 +00:00
scw
e267f2466b Add support for ELF boot blocks. 2000-12-04 18:44:51 +00:00
scw
b29bcb645b The LOAD_TEXTA flag is required when loading a.out kernels. 
Also add some non-standalone versions for the benefit of installboot(8).
 2000-12-04 18:41:51 +00:00
scw
c28723715c Prefix the register names with `%'. 2000-12-04 18:40:05 +00:00
scw
d0da91f9e2 Use -fomit-frame-pointer when compiling bugcrt.c; a6 needs to be reserved 
for Bug arguments.
 2000-12-04 18:35:16 +00:00
scw
9fc2cc70dc Include the a.out m68k compatibility module. 2000-12-03 15:40:06 +00:00
scw
2e68384b0c Back out the previous change after discussion with thorpej and cgd. 2000-12-03 15:38:30 +00:00
scw
53323bf36d Revert the previous change, after discussion with thorpej and cgd. 2000-12-03 15:37:46 +00:00
scw
57b29e6754 Fix symbol table loading. 2000-12-02 17:28:08 +00:00
scw
6de7ccd2d3 On exit from syscalls, don't trash %A0 if the process is 
using the COMPAT_AOUT_M68K emulation package.
 2000-12-02 17:00:46 +00:00
scw
e4326b372a Set things up so that DDB can get to the symbol table in ELF kernels. 2000-12-02 13:57:05 +00:00
scw
66a84140b8 Use "EMUL_HAS_SYS___syscall" instead of checking p->p_emul. 
Removes dependency on COMPAT_AOUT_M68K.
 2000-12-02 13:45:14 +00:00
tsutsui
a8fdbdec1c Remove unused pcbb() macro. 2000-12-01 17:57:43 +00:00