can then access the page table entries directly using user data space with
the MOVES instruction. This should resolve the problem on the Duo 2x0
series with hard hangs in this function.
Warning: do not call any function that accesses user data space (FC $1)
from get_pte()!
- Figure out what CPU we have, rather than assuming the Booter knows,
and set cputype variable accordingly.
- Carefully rearrange the order of various MMU/ATC operations so as to
eliminate possible side effects. Also, re-order the initial bootstrap
code to make clear what various sections of this code do.
- Adjust to combined initenv()/genenvvars() (the latter has assimilated
the former).
- Add a function code argument to ptest040().
- Use symbolic constants from assym.h where appropriate (and defined).
- Some style cleanup.
- Combine initenv() and getenvvars().
- Hardwire some PowerBook internal video addresses, from Takashi Hamada.
- When printing out the machine model/CPU, use the new cputype variable
instead of the Booter's PROCESSOR environment variable.
- Use new ptest040() function code argument (though for now, the MMU is
disabled on the 040).
- Revert previous change in get_physical() that seems to have broken
some machines; use an ADD instead of an OR when determining the PA.
- Some (very minor) style cleanup of asm code.
the kernel panics. It may be initialized to 0 with the kernel option
"DDB_ONPANIC=0", and is patchable. It may be changed at run-time
from within the DDB (as a DDB variable) or via the ddb.onpanic sysctl
node.
Export all DDB built-in variables via sysctl.
- Always ensure that RAW_PART ("c") can be opened.
- Disallow unused or non-existent partitions from being opened.
- Don't do bounds checking or partition translation on RAW_PART.
This is consistent with other disk drivers in the NetBSD source tree,
and fixes a condition where the user could not fix a corrupted disklabel
due to a bogus offset for partition "c".
ends for irq_claim() and irq_release() that will allocate and free
memory for the irqhandler structure.
Added an irqblock array that provides a quick reference to all the
interrupts that should be blocked when a particular interrupt is
received. The irq_claim() and irq_release() functions now update the
irqblock array.
Impelemented a fix for kernel locks when opening the serial post :
Revisions A->D of the SMC FDC37GT665 Peripherial controller have
a bug in the serial port that is triggered if the FIFO is enabled
while there is a byte in the rx data register resulting in the
rx ready bit being permenantly set.
podule space.
Fixed a bug in the reading of bytes from network slot cards that prevented
the correct reading of the network slot ROM description.
config code now allows duplicable devices to be attached.
Newer boards (e.g., Vortex) take time to reset, and wedge on some machines.
Polling on S_COMMAND_IN_PROGRESS would be better, but that doesn't
work with xx_RESET commands on 3c509s.
For some reason it wouldn't get positioned right when mapped in through the
blitter memory mapped location, so switched to the register mapping, which
works.
XXX colormap handling for the cursor is still broken.
CONFIG_CNTRL bits by making the "conn" argument to epconfig()
a u_int, not a u_int16_t, and by defining 100mbit media
bits in the upper 16 bits.
A redesigned interface that fixes this properly is in the pipeline.
comments in pr port-i386/2358: "if_ep/3C590 no longer working"
* Only call Vortex media-config code on PCI-attached devices, until
we know if it works on ISA and EISA large-packet devices also.
* Fix typo in printf of MAC address
rather than unknown.
* Look for 100mbit interfaces, and for any present, set corresponding
bits in `conn' argument to epconfig(). epconfig() will now print
100Mbit media by name.
look for 100mbit Xcvrs, print their names, add to ep_connectors.
* Print 10baseT as 10baseT, since media name (utp) is no longer a unique
transceiver type.
* Redo FIFO memory size printing, also show Tx/Rx split (xxx isa 3c509?).
* Print MAC address on a separate line, with 100Mbit media and fifo-ram
info it no longer fits on the same line as media types.
* Comment the fact that the "connection" media-selection code just doesn't
grok 100Mbit media.
* add code to look for 3c59x/3c90x media-select and autoconfig bits, though
we don't yet dynamically probe media when the autoconfig bit is set
(see previous bullet).
* XXX the whole connector/media code should be redone, perhaps a' la
the BSDI ifmedia design.
For now, we really only need 8 bits of media type.
* Add bogus definitions for 100mbit transcievers, to be set in the
"conn" argument to ep_config(). Should really use the same bits
as in EP_W0_CONFIG_CTRL bits, but I don't know what bits the 3c515
&c use for 100mbit media.
* Define bitflags for 100Mbit transceiver options in ep_connectors.
* Add definitions of powerup/powerdown commands. for interfaces with
power management. Should send a powerup after APM resume?
* Add definition of fragment-busmaster (vortex) START_DMA command.
* Add definition of PCI configuration-space media-present bits.
(really just EP_W3_RESET_OPTIONS remapped into pci config space.)
* Add comments describing what the #define's above are used for.
For now, we really only need 8 bits of media type.
* Add bogus definitions for 100mbit transcievers, to be set in the
"conn" argument to ep_config(). Should really use the same bits
as in EP_W0_CONFIG_CTRL bits, but I don't know what bits the 3c515
&c use for 100mbit media.
* Define bitflags for 100Mbit transceiver options in ep_connectors.
* Add definitions of powerup/powerdown commands. for interfaces with
power management. Should send a powerup after APM resume?
* Add definition of fragment-busmaster (vortex) START_DMA command.
* Add definition of PCI configuration-space media-present bits.
(really just EP_W3_RESET_OPTIONS remapped into pci config space.)
* Add comments describing what the #define's above are used for.
getting the 'bootpreference' ourselves when it is not set to any legal
value.
- Because the relation between memtop/membot and the video base does not
hold on the Hades, skip testing on it.
* Add IPL_HIGH. Alias IPL_HIGH to IPL_RTTY
* Define splrtty (used by the scn driver).
* Add iv_level and iv_mask to struct iv. These define the IPL at
which the handler should run.
* intr_establish now takes *two* ipls. One at which the handler should run,
and one in which the interrupt should get blocked.
* Define SCN_RING_HIWAT and add sc_rbhiwat to scn_softc. When the
ringbuffer gets full up to this mark, rts gets asserted (Ian Dall).
* Add sc_rx_blocked to scn_softc. This is used to tell scnsoft that
rxinterrupts are blocked (Ian Dall).
* intr_establish now takes *two* ipls. One at which the handler should run,
and one in which the interrupt should get blocked.
All the following changes were provided by Ian Dall:
* Remove SCN_HSOFT. Now that the pc532's software interrupt system is running
from int14, this won't work anymore.
* Add code to detect uart type (SCN2681, SCC2692 or SCC26C92).
* Cleanup my RECOVER mess. Thank's to Ian Dall for reading the datasheet
and removing all the unnecessary RECOVERs.
* Cleanup scnrxintr.
* Implement scnhiwflow.
* Do not use automatic RTS. This and scnhiflow and some changes to the
interrupt system suggested by Ian fix the scn overrun problem at 57600
baud.
* intr_establish now takes *two* ipls. One at which the handler should run,
and one in which the interrupt should get blocked.
* Make transfersize configurable for input and output. Default the input
transfersize to 128 bytes. That way interrupts won't be disabled for more
then about 128us-256us for slow targets. This is necessary to prevent scn
fifo overruns. Cleanup the pdma code. Thank's to Ian Dall for these
changes.
* Make it work on 30mhz machines.
* Configure MSDOSFS, CD9660, KERNFS, NFSCLIENT and INET.
* Configure SCSI-cds, slip and ppp.
* Update for mi ramdisk driver.
* Initialize iv_level for all interrupts.
* Protect the call to the sir-handler with splraise.
* intr_establish now takes *two* ipls. One at which the handler should run,
and one in which the interrupt should get blocked.
* Compute iv_mask for all interrupts in intr_establish.
'const char *', and 'void *', respectively. The second arg is taken directly
from user arguments, and is const there, so must be const in the prototypes
and functions. The third arg is also taken directly from user arguments.
It doesn't have to be changed, but since it's cleaner to keep the type
the same as the user arg's type, and I'm already making the 'const char *'
change...
* Fix arguments to various copyin()/copyout() invocations, to avoid
gratuitous casts.
* Some KNF formatting fixes
* Change sockargs()'s second argument to be a const void *, to help
with dealing with the syscall argument type fixups/const poisoning.
to be a caddr_t, but since it's being passed constant user argument pointers
it needs to be const, and since it's being passed a variety of argument
pointer types it makes sense to change it to void *. That argument is
simply being handed to copyin().
'const char *', and 'void *', respectively. The second arg is taken directly
from user arguments, and is const there, so must be const in the prototypes
and functions. The third arg is also taken directly from user arguments.
It doesn't have to be changed, but since it's cleaner to keep the type
the same as the user arg's type, and I'm already making the 'const char *'
change...
__builtin_classify_type() into harmless values, so that lint doesn't
get confused, think they're real functions, and that they're being
invoked in the wrong ways.
* change in-kernel syscall prototypes to match user-land prototypes in
the following ways:
+ add 'const' where appropriate.
+ make the following "safe" type changes where appropriate:
caddr_t -> struct msghdr *
caddr_t -> struct sockaddr *
caddr_t -> void *
char * -> void *
int -> uid_t (safe because uid_t not used as index/count)
int -> gid_t (safe because gid_t not used as index/count)
u_int -> size_t
+ change "int" to "u_long" in flags arguments to chflags() and
fchflags(). This is safe because the arguments are used as
flag bits and there's nothing that would cause the top bit
of the int to be set yet, and because the user-land definitions
already specified u_long, so a u_long's worth of argument was
already being passed in.
wrong for a bunch of functions:
void: sys_exit, sys_sync
ssize_t: sys_read, sys_write, sys_recvmsg, sys_sendmsg,
sys_recvfrom, sys_readv, sys_writev, sys_sendto
long: sys_pathconf, sys_fpathconf
void *: sys_shmat
* Note that sys_open, sys_ioctl, and sys_fcntl are defined such that their
last argument is optional.
These changes should not have any real effect, because right now this
information is not actually used for anything.
* Don't output prototypes for INDIR syscalls (since they always show up as
sys_nosys() in the syscall table).
* Add "indir" to the comment for INDIR syscalls in the syscalls table, so
it's more obvious why they call sys_nosys().
* Deal with multi-word system call return types (i.e. foo *, or
struct foo *, or struct foo, etc.).
* Add a new class of system calls "INDIR" (for "indirect"), which
is to be used to represent indirect syscalls like syscall() and
__syscall() which are implemented in MD code and which don't want
args structures defined. (The old way of declaring this type of
syscalls still works.)
* Allow system calls to be marked as having a variable number of
arguments, by inserting "..." (no trailing comma) before the
first hf the optional arguments in the syscall definition. Because
of the way syscall arguments are handled by MI code, _ALL_ syscall
arguments must actually be included in the definition, i.e.
"optional" arguments are either "are there or aren't," i.e. these
aren't really varargs functions. Therefore, for normal syscalls,
there _must_ be arguments listed after the "...". For INDIR
syscalls, which really do have a variable number of arguments and
which aren't handled via the normal mechanism, that requirement is
not in force.
* output primitive (machine-parsable) syscall descriptions as comments
in <sys/syscall.h>. These can be used to easily build real function
prototypes, or to build stub functions for use by lint.
