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c415058330
freebsd-dev/sys
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John Baldwin 536fcb08bf This patch to BTX fixes several small things: 
1) Fix a bug in the int15 function 87 emulation where we only copied half
   of what the BIOS asked for.  This caused the Mylex RAID adapter to go
   haywire and start trashing memory when you tried to boot from it.
2) Don't use interrupt 19 to reboot.  Instead, set the reboot flag to a warm
   boot and jump to the BIOS's reboot handler.  int 19 doesn't clear memory
   or restore the interrupt vector table, and thus really isn't safe.  For
   example, when booting off of PXE, the PXE BIOS eats up a chunk of memory
   for its internal data and structures.  Since we rebooted via int 19,
   using the 'reboot' command in the loader resulted in that memory not
   being reclaimed by the BIOS.  Thus, after a few PXE boots, the system
   was out of lower memory.
3) Catch any int 19 calls made by a BTX client or a user pressing
   Ctrl-Alt-Delete and shutdown BTX and reboot the machine cleanly.  This
   fixes Ctrl-Alt-Delete in the loader and in boot2 instead of presenting
   the user with a BTX fault.

Approved by:	jkh
Found by:	1) by msmith
2000-02-16 07:00:16 +00:00
..
alpha o Wilko Bulte has tested our AlphaServer 1000A ("Noritake") support 2000-02-15 18:47:51 +00:00
amd64 Make it clear that 'options XSERVER' is for pcvt and not for syscons. 2000-02-16 04:27:04 +00:00
boot This patch to BTX fixes several small things: 2000-02-16 07:00:16 +00:00
cam Add a quirk type (and one for ARCHIVE Python's) that disables the 2000-02-03 18:29:25 +00:00
coda Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL" 1999-12-29 05:07:58 +00:00
compat Avoid passing an uninitialized structure member to the real 2000-02-01 16:20:24 +00:00
compile
conf Make it clear that 'options XSERVER' is for pcvt and not for syscons. 2000-02-16 04:27:04 +00:00
contrib When writing out bitmap buffers, need to skip over ones that already 2000-01-30 20:32:59 +00:00
crypto Prototype fix for IPsec authentication related functions 2000-02-10 19:35:53 +00:00
ddb Add a new sysctl "debug.enter_debugger" (when the kernel is compiled 2000-01-27 22:27:34 +00:00
dev Include the file that defines PCIM_CMD_BUSMASTEREN. 2000-02-16 02:22:37 +00:00
fs Supported non-512 bytes/sector format. 2000-01-27 14:43:07 +00:00
geom Remove #if NCCD > 0 - it's guaranteed to be true by config if ccd.c is 2000-01-29 14:29:56 +00:00
gnu Remove #if NDGB > 0 and #if NDGM > 0 2000-01-29 18:42:45 +00:00
i4b update to isdn4bsd beta release 0.90 1999-12-14 20:54:38 +00:00
i386 Make it clear that 'options XSERVER' is for pcvt and not for syscons. 2000-02-16 04:27:04 +00:00
isa Fixed regressions in rev.1.274: 2000-02-15 17:29:09 +00:00
isofs/cd9660 remove check now done in vn_isdisk(). 2000-01-10 12:24:36 +00:00
kern Hide the boring `not probed (disabled)'' messages behind bootverbose'. 2000-02-15 19:23:34 +00:00
libkern Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL" 1999-12-29 05:07:58 +00:00
miscfs Fix bde'isms in acl/extattr syscall interface, renaming syscalls to 2000-01-19 06:07:34 +00:00
modules Use config's conditional compilation rather than using #ifdefs that make 2000-01-29 15:08:56 +00:00
msdosfs Supported non-512 bytes/sector format. 2000-01-27 14:43:07 +00:00
net Track if_i{bytes,packets,errors}. 2000-02-16 04:04:36 +00:00
netatalk Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
netatm Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
netgraph Add control message ASCII conversion for this node type. 2000-01-27 01:32:53 +00:00
netinet Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
netinet6 Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
netipx Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
netkey comment the string after #endif 2000-01-15 05:15:06 +00:00
netnatm Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
netncp Enable '=' character in the filename. 2000-01-29 02:10:37 +00:00
netns Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
nfs Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
nfsclient Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
nfsserver Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
ntfs Forward declare some structs so that this header is more self-suifficent. 2000-01-14 19:54:42 +00:00
nwfs Check if module was compiled without SMP support and running on 2000-01-15 08:35:48 +00:00
pc98 Clean up some loose ends in the network code, including the X.25 and ISO 2000-02-13 03:32:07 +00:00
pccard Update the pci->pcic compatability module to newbus. This is a simple 2000-02-02 16:49:21 +00:00
pci Include the file that defines PCIM_CMD_BUSMASTEREN. 2000-02-16 02:22:37 +00:00
posix4 Track libc_r addition of semaphores implementation. 2000-01-20 07:55:42 +00:00
powerpc The kernel side of per-process unaligned access control (printing, fixing & 2000-01-16 07:07:33 +00:00
rpc $Id$ -> $FreeBSD$ 1999-08-27 23:45:13 +00:00
svr4 Fix handling of svr4_sigsets, which are implemented in SysVR4 as a sequence 2000-01-15 15:38:17 +00:00
sys Yet-another-update: rename ``kern.prison'' to a new sysctl root entry, 2000-02-12 13:41:56 +00:00
tools Use a seperate -c and -h mode. The vnode_if.c file is compiled only into 1999-12-12 16:43:05 +00:00
ufs When writing out bitmap buffers, need to skip over ones that already 2000-01-30 20:32:59 +00:00
vm The swapdev_vp changes made to rip out the swap specfs interaction 2000-01-25 17:49:12 +00:00
Makefile ${MACHINE} -> ${MACHINE_ARCH} 1999-11-14 13:54:44 +00:00