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fix a violation against the network boot image proposal.

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okuji 2000-08-15 10:08:21 +00:00
parent 443bdcb325
commit 4e0e3cc8af
8 changed files with 125 additions and 11 deletions
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@ -1,3 +1,33 @@
2000-08-15 OKUJI Yoshinori <okuji@gnu.org>
The image `nbgrub' now relocates itself from 0x10000 to 0x8000,
since the Network Boot Image Proposal doesn't permit a second
loader to be loaded below 0x10000. Reported by Matthias
Kretschmer <McCratch@gmx.net>.
* Makefile.am (NBLOADER_LINK): New variable.
(nbloader_exec_LDFLAGS): Set to $(NBLOADER_LINK) instead of
$(START_LINK).
* stage2/nbi.h (NBI_DEST_ADDR): Changed to 0x10000.
(NBI_DEST_SEG): New macro.
(NBI_DEST_OFF): Likewise.
(RELOCATED_ADDR): Likewise.
(RELOCATED_SEG): Likewise.
(RELOCATED_OFF): Likewise.
(STAGE2_START_ADDR): Likewise.
* stage2/nbloader.S: Added .code16 directive at the start of the
code.
Set the segment and the offset of the load address to
NBI_DEST_SEG and NBI_DEST_OFF, respectively.
Set the segment and the offset of the start address to
NBI_DEST_SEG and NBI_DEST_OFF + relocate - _start, respectively.
Added a routine for relocating itself.
(relocate): New label.
(copy_rest): Likewise.
(copy_loop): Likewise.
(copy): Likewise.
(boot_stage2): Likewise.
2000-08-13 OKUJI Yoshinori <okuji@gnu.org>
* grub/main.c (main): Move the version number inside the