| Commit message (Collapse) | Author | Age | Files | Lines |
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Fix the case where the "sector size" used by the pm filesystem driver
isn't the same thing as the SECTOR_SIZE/SECTOR_SHIFT macros used in
the assembly code. This is a per-device property, and in the
particular case of isolinux hybrid, they are not even currently the
same (for all others, they are the same for now, but not necessarily
in the future.)
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Add 32-bit API calls for open file and close file.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Introduce a chdir() system and a way to obtain absolute pathnames.
This should allow us to set the current base directory (filename
prefix for PXE) without breaking access to the configuration file.
As a side benefit, for the "normal" filesystems we no longer need
magic hacks to figure out where we should set our current working
directory.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Major cleanups to the VFS layer:
- add a persistent generic "struct file"
- pass "struct file *" to getfssec
- add a close_file method
- use VFS-assigned indicies instead of pointers as file handles.
This allows the file structures to be allocated from high memory.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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because (I think) all the close_file are the same.
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the main file read function (getfssec) has been converted to
C. Fow now, abort 90% stuff have been converted to C. The
next is to clean the code and convert the rest.
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for now, almost all the stuff related to EXT have been converted to C,
and fow my (limit) test, it works well.
The getfssec function haven't converted to C, because it also be called
from asm file, and I find it's a bit hard to convert it to C. But however,
it's my next plan.
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For now, I added a temporary file load_config.c that would be merged into
extlinux.c file later, which would make my later work be much easier.
And in order to get rid of the conflict noisy message from the open function
in ui.inc and the open function defined in the unistd.h, I changed the
open in core to core_open. It may be ugly, but it works :)
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Rename the .text, .data and .bss sections to .text16, .data16 and
.bss16, in anticipation of being linked with compiler-generated 32-bit
code, which presumably would like to use the standard section names.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Remove the obsolete .bss1 and .bss2 segments; they represent segment
balancing which is no longer useful. The current balance between
.earlybss, .bss and .uibss seems to be sufficient; if we need more
balancing in the future then we need to start over anyway.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Update copyright notices. Per agreement with my new employer, Intel
Corporation, add Intel copyright notices where appropriate.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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parseint_esdi was located in the middle of the getint -> parseint fall
through, with expectedly disastrous results.
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Refactor the command line parser to be more of a general parser
instead of treating each option as an ad hoc feature.
Suppress the Loading... prompt if "quiet" is specified on the command
line. Some messed-up people want it this way.
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Add "readc" function to do block reads. Currently it just does a loop
around "call getc/stosb".
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Move source files out of the root directory; the root is a mess and
has become virtually unmaintainable. The Syslinux core now lives in
core/; the Linux and generic utilities has moved into utils/, and
copybs.com has moved into dos/; it had to go somewhere, and it seemed
as good a place as any.
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