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106 Commits

Author SHA1 Message Date
toshii
128d6fc64b Check RBB and REB bits in the console getc function and go to DDB 
when a break signal is detected.
 2001-05-21 16:50:35 +00:00
toshii
6e435a5783 Use platid_search to get the GPIO pin number. 2001-05-19 05:07:02 +00:00
toshii
a90c8b6620 ANSIify and minor KNF. 2001-05-18 14:51:40 +00:00
toshii
fd61423f9b Change _ARM32_*_H_ to _HPCARM_*_H_. 2001-05-15 16:15:22 +00:00
toshii
c939f00e98 Abandon disabled_mask and spl_mask, and use only current_spl_level to 
manage interrupt masking.

This change is necessary for straightforward implementation of coming IPL
support for cascaded intrs, and it should not impair performance.
 2001-05-14 16:19:30 +00:00
bjh21
e2b24925d1 Use get_bootconf_option() to find boot options, rather than home-grown 
strstr()-based hacks.
 2001-05-13 13:53:08 +00:00
bjh21
61044be691 Move get_bootconf_option() into a new file, sys/arch/arm/arm/bootconfig.c, 
since it's in no way machine-dependent.  It's not really ARM-specific either,
but I don't think it's useful enough to be made part of the MI kernel.
 2001-05-13 13:44:33 +00:00
bjh21
6d4648fa03 Move "defopt PMAP_DEBUG" into files.arm, since it's used by code in arch/arm. 2001-05-06 18:31:14 +00:00
bjh21
f9087c439b Move cpufunc stuff from arm32/arm32 to arm/arm. The only change involved is 
to add recognition of the SA-1100 and SA-1110 for compatibility with hpcarm
(which is now using this code as well).
 2001-05-06 18:01:42 +00:00
scw
2963ff5c58 Add l_poll' to struct linesw' and provide an xxxpoll() entry point 
in each tty driver to indirect through it.

This allows tty line-disciplines to handle poll(2) system calls.
 2001-05-02 10:32:08 +00:00
toshii
c7df9e68f9 Fix device matching in saip. 
ca_match functions should return positive value when matched.
 2001-05-01 12:36:54 +00:00
thorpej
cf67ac7122 Per discussion w/ chuck and chuck, restructure the md page stuff 
to use a structure called "vm_page_md", and use __HAVE_VM_PAGE_MD
and __HAVE_PMAP_PHYSSEG.
 2001-05-01 02:19:13 +00:00
toshii
fbdeb188a5 setsoftast is a macro now. 2001-04-30 15:54:28 +00:00
toshii
87593b8b06 Pull in <machine/psl.h> for spl* definitions. 
(same as arm32/include/intr.h rev 1.5)
 2001-04-30 15:20:07 +00:00
thorpej
2b27ac7a99 Add a VM_MDPAGE_MEMBERS macro that defines pmap-specific data for 
each vm_page structure.  Add a VM_MDPAGE_INIT() macro to init this
data when pages are initialized by UVM.  These macros are mandatory,
but ports may #define them to nothing if they are not needed/used.

This deprecates struct pmap_physseg.  As a transitional measure,
allow a port to #define PMAP_PHYSSEG so that it can continue to
use it until its pmap is converted to use VM_MDPAGE_MEMBERS.

Use all this stuff to eliminate a lot of extra work in the Alpha
pmap module (it's smaller and faster now).  Changes to other pmap
modules will follow.
 2001-04-29 22:44:31 +00:00
thorpej
1c3a62e066 Sprinkle pmap_update() calls after calls to: 
- pmap_enter()
- pmap_remove()
- pmap_protect()
- pmap_kenter_pa()
- pmap_kremove()
as described in pmap(9).

These calls are relatively conservative.  It may be possible to
optimize these a little more.
 2001-04-24 04:30:50 +00:00
toshii
58165a53a2 Make masked interrupts don't bring CPU out of idle mode. 2001-04-17 17:12:40 +00:00
toshii
cfa894dce0 Use idle mode in process waiting idle loop. 2001-04-17 16:14:57 +00:00
toshii
de8e20334a Map a page needed for entering idle mode. 
Also, use zero memory at physaddr 0xe0000000 to clean D cache.
 2001-04-17 16:10:47 +00:00
toshii
ffe7f4da8a Fix a bug crept in the previous revision. Call dosoftints() after 
reenabling interrupts.
 2001-04-17 16:07:13 +00:00
toshii
a78b59337f Overhaul interrupt handlers. 
- Set the match register before calling hardclock() to prevent
 clockintr lossage.
- Better handling of match register overrun case.
 2001-04-17 15:58:51 +00:00
toshii
0c1210c6b3 Make the debugging hack needed for DEBUG_BEFOREMMU functional again. 2001-04-17 15:53:04 +00:00
toshii
5373b5ab86 Special care must be taken in order to run statclock at 128Hz. 
For now, change statclock rate to 64Hz for simplicity.

Thanks to Ross Harvey for pointing out this issue.
 2001-04-17 15:49:02 +00:00
toshii
af9740eeee Initialize platid in hpc_machdep(). 2001-04-17 15:33:39 +00:00
toshii
9e3772786d Add header files for PPC and SSP register definitions. 2001-04-15 17:27:26 +00:00
toshii
1875326646 Use the second channel to generate 128Hz statclock interrupts. 
top(1) reports more accurate CPU times (user/sys/intr/idle) now.
 2001-04-15 17:19:32 +00:00
kleink
f06533a1ee Add definitions of C99 integer format conversion macros. 
XXX Fastest minimum-width integer types haven't been decided upon yet.
 2001-04-15 17:13:04 +00:00
kleink
739cb75837 Add definitions of C99 specified-width integer type limits. 
XXX Fastest minimum-width integer types haven't been decided upon yet.
 2001-04-15 15:29:02 +00:00
kleink
cdcf9f46c5 Add definitions of C99 integer constant macros. 
Tidy Makefiles up a little.
 2001-04-14 22:46:19 +00:00
kleink
a7c20e5788 Add definitions of C99 integer constant macros. 2001-04-14 22:38:33 +00:00
kleink
7affdab52e Add definitions of C99 minimum-width and greatest-width integer types. 
XXX Fastest minimum-width integer types haven't been decided upon yet.
 2001-04-14 12:19:49 +00:00
toshii
ff71a021ca There is no /usr/include/hpcarm/disklabel_acorn.h. 2001-04-06 11:10:57 +00:00
toshii
3180bc6ac6 Fix a couple of bugs including kernel_pt_table[] range overflow. 
I thought some incompatiblity with gcc-2.95.3 prevented booting,
but the actual reason was this silly overflow.
 2001-04-06 05:38:01 +00:00
toshii
fe9328ad71 Reorder so that basic devices attach first. 2001-03-31 13:49:44 +00:00
toshii
2303009aeb Add SA11[01]0 DMA controller register definitions. 
(I forgot to commit this a week ago.)
 2001-03-31 13:13:22 +00:00
toshii
4f12f94c95 Protect spl changing functions from interrupts. 2001-03-31 12:53:59 +00:00
toshii
c1244a5828 Remove cons_init(com), which prevents compiling in com_pcmcia.c. 2001-03-31 12:52:31 +00:00
toshii
02811d05f2 Fix a bug which caused interrupt loss. 2001-03-31 12:49:21 +00:00
toshii
2efdaff40e Set hardware interrupt masks in sa11x0_intr_{establish,disestablish}. 2001-03-31 12:48:10 +00:00
toshii
129f529148 Back out most of rev 1.4 so that it compiles again. 2001-03-31 12:36:53 +00:00
toshii
dfddb1e107 Increase spl_masks[] size by one and set the extra element to 0. 
irq_entry accesses here.
 2001-03-31 12:22:37 +00:00
toshii
221f247a25 Add some missing functionality. 
- wait READY signal in enable function
 - use tsleep for large delays
 - implement disable function
 2001-03-27 18:06:39 +00:00
lukem
20ba07f2fe - add dev_noimpl(xxx,yyy) macro to replace "(dev_type_xxx((*))) yyy", 
and use appropriately

- create more helper macros:
   . cdev__xyz_init(c,n), such as cdev__ocri_init() for
     /* open, close, read, ioctl */, etc.
   . cdev__xRy_init(c,n), where nullop is used instead of enodev to dummy out
     method `R' and the comments now read /* xxx (read) yyy */ instead
   . cdev__xyz_t_init(c,n,t) - as per cdev__xyz_init, but sets d_type = t
     as well

- use seltrue instead of dev_noimpl(poll,*), as (IIRC) cdevsw.d_poll should
  always DTRT WRT returning a valid result.  (a few devices previously
  incorrectly returned ENODEV)

- use dev_noimpl(stop,enodev) instead of dev_noimpl(stop,nullop) if tty
  == 0, because it doesn't matter if dev_type_stop isn't implemented in that
  case, and it allows the use of the cdev__xyz_init macros. certain ports
  (sparc,sparc64,x68k) used the nullop method for dev_type_stop in a few
  drivers, whereas everything else uses enodev

- ensure that the comments are accurate WRT the behaviour of a given entry
 2001-03-26 12:33:22 +00:00
toshii
d2f3ad2de2 Support machdep.booted_kernel sysctl. 2001-03-23 11:10:10 +00:00
toshii
7ed6dadd10 Handle bootargs passed by hpcboot. 
Change stack pointer initialization.
 2001-03-23 08:58:14 +00:00
toshii
2d6322c3be Handle ELF symbol table. 2001-03-22 03:45:39 +00:00
lukem
9f60674a47 now that duplicated stuff has been moved to sys/conf.h, remove unnecessary 
defs for: lpt, joy, pc
 2001-03-21 23:42:14 +00:00
toshii
7e9512010c Oops. I forgot this line. 2001-03-21 17:43:39 +00:00
toshii
4b32677535 Map DMA controller and disable its DMA channels. 2001-03-21 17:42:37 +00:00
toshii
f8dab8e69a Make card insertion/removal work. 
XXX powerdown and {io,mem}_unmap are still missing.
 2001-03-21 16:16:35 +00:00