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b0af1e20e6
freebsd-dev/stand/i386
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Toomas Soome b0af1e20e6 loader: bc_add can not use any other probes than ah=0x4b 
CD boot is broken for some systems since bioscd and biosdisk merge. The issue is that we can not use anything else than int 13 ah=0x4b to query cd information.

The patch does restore the same probe as was originally used in bioscd.c. Additionally extra buffer padding is used to avoid memory corruption caused by some systems.

PR:		234031
Reported by:	ultramage and others
MFC after:	1 day
2020-02-03 11:33:33 +00:00
..
boot0 Centralize several variables. 2018-02-02 06:32:26 +00:00
boot0sio
boot2 Move all sources from the llvm project into contrib/llvm-project. 2019-12-20 19:53:05 +00:00
btx btx: rename .s files to .S to use Clang IAS 2018-11-26 19:14:33 +00:00
cdboot stand: remove CLANG_NO_IAS from cdboot 2019-08-15 17:32:39 +00:00
common Use symbolic names for int13 calls 2019-12-16 21:52:12 +00:00
gptboot Work around assembler error from clang 10.0.0 in gptboot: 2020-01-28 21:41:37 +00:00
gptzfsboot Remove duplicate lz4 implementations 2019-11-02 12:28:04 +00:00
isoboot isoboot, gptboot: Fix WITHOUT_LOADER_GELI (gptboot) and isoboot in general 2018-08-09 02:06:25 +00:00
libfirewire biospci_write_config args were backwards 2019-01-08 20:01:56 +00:00
libi386 loader: bc_add can not use any other probes than ah=0x4b 2020-02-03 11:33:33 +00:00
loader Add support for hypervisor check on x86 2019-10-24 20:02:48 +00:00
loader_4th Update Makefile.depend files 2019-12-11 17:37:53 +00:00
loader_lua Create a loader for each interpreter for x86 BIOS and all EFI 2018-08-14 18:44:41 +00:00
loader_simp Create a loader for each interpreter for x86 BIOS and all EFI 2018-08-14 18:44:41 +00:00
mbr stand/i386: rename .s to .S to use Clang IAS 2018-12-03 19:16:34 +00:00
pmbr stand/i386: rename .s to .S to use Clang IAS 2018-12-03 19:16:34 +00:00
pxeldr stand: remove CLANG_NO_IAS from pxeldr 2019-08-15 17:59:22 +00:00
zfsboot Remove duplicate lz4 implementations 2019-11-02 12:28:04 +00:00
boot.ldscript
Makefile Remove kgzip and kgzldr. 2019-05-24 05:34:21 +00:00
Makefile.inc Add WITH_PIE knob to build Position Independent Executables 2019-02-15 22:22:38 +00:00