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Date: Wed, 27 Apr 2022 14:48:50 +0000
From: "Rin Okuyama" <rin@netbsd.org>
Subject: CVS commit: src/sys/lib/libsa
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Module Name:	src
Committed By:	rin
Date:		Wed Apr 27 14:48:50 UTC 2022

Modified Files:
	src/sys/lib/libsa: ext2fs.c minixfs3.c stand.h ufs.c

Log Message:
Revert previous at the moment.

This is wrong reasoning; 68020 and above (incl. 040 and 060) support
32-bit displacements for PC relative addressing (via "fully extension
addressing mode" with null index register).

I've still not figured out what goes wrong with amiga/boot(8) when
compiled without -l option for gas(1)...

On 2022/04/27 20:48, Rin Okuyama wrote:
> Module Name:	src
> Committed By:	rin
> Date:		Wed Apr 27 11:48:26 UTC 2022
>
> Modified Files:
> 	src/sys/lib/libsa: ext2fs.c minixfs3.c stand.h ufs.c
>
> Log Message:
> Introduce SA_HARDCODED_SECSIZE hack, by which hardcoded DEV_BSIZE is
> used instead of secsize obtained by SAIOSECSIZE ioctl.
>
> This hack avoids divdi3 and friends from being linked, in order to
> support variable secsize.
>
> This is useful for amiga/boot(8); it is loaded by firmware into
> unpredictable address, and therefore all symbols should be
> addressable by PC relative mode with only 16-bit displacements.
>
> See sys/arch/amiga/stand/bootblock/{boot/bbstart.s,elf2bb,txlt} for
> more details.
>
>
> To generate a diff of this commit:
> cvs rdiff -u -r1.31 -r1.32 src/sys/lib/libsa/ext2fs.c
> cvs rdiff -u -r1.10 -r1.11 src/sys/lib/libsa/minixfs3.c
> cvs rdiff -u -r1.83 -r1.84 src/sys/lib/libsa/stand.h src/sys/lib/libsa/ufs.c
>
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.


To generate a diff of this commit:
cvs rdiff -u -r1.32 -r1.33 src/sys/lib/libsa/ext2fs.c
cvs rdiff -u -r1.11 -r1.12 src/sys/lib/libsa/minixfs3.c
cvs rdiff -u -r1.84 -r1.85 src/sys/lib/libsa/stand.h src/sys/lib/libsa/ufs.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.