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6ed2e09f3a
- This idea originates from very early in the project and was, at the
time, a very easy way to categorise things.
- Now, it doesn't really make much sense - it is fairly arbitary, often
occuring when there is a change in kernel, but not from builder-hex0
to fiwix, and sysb is in reality completely unnecessary.
- In short, the sys* stuff is a bit of a mess that makes the project
more difficult to understand.
- This puts everything down into one folder and has a manifest file that
is used to generate the build scripts on the fly rather than using
coded scripts.
- This is created in the "seed" stage.
stage0-posix -- (calls) --> seed -- (generates) --> main steps
Alongside this change there are a variety of other smaller fixups to the
general structure of the live-bootstrap rootfs.
- Creating a rootfs has become much simpler and is defined as code in
go.sh. The new structure, for an about-to-be booted system, is
/
-- /steps (direct copy of steps/)
-- /distfiles (direct copy of distfiles/)
-- all files from seed/*
-- all files from seed/stage0-posix/*
- There is no longer such a thing as /usr/include/musl, this didn't
really make any sense, as musl is the final libc used. Rather, to
separate musl and mes, we have /usr/include/mes, which is much easier
to work with.
- This also makes mes easier to blow away later.
- A few things that weren't properly in packages have been changed;
checksum-transcriber, simple-patch, kexec-fiwix have all been given
fully qualified package names.
- Highly breaking change, scripts now exist in their package directory
but NOT WITH THE packagename.sh. Rather, they use pass1.sh, pass2.sh,
etc. This avoids manual definition of passes.
- Ditto with patches; default directory is patches, but then any patch
series specific to a pass are named patches-passX.
35 lines
1 KiB
Diff
35 lines
1 KiB
Diff
SPDX-FileCopyrightText: 2020 Rich Felker <dalias@aerifal.cx>
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SPDX-License-Identifier: MIT
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From 0b0640219338b80cf47026d1970b5503414ed7f3 Mon Sep 17 00:00:00 2001
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From: Rich Felker <dalias@aerifal.cx>
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Date: Sun, 30 Aug 2020 21:37:12 -0400
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Subject: fix i386 __set_thread_area fallback
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this code is only needed for pre-2.6 kernels, which are not actually
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supported anyway, and was never tested. the fallback path using
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SYS_modify_ldt failed to clear the upper bits of %eax (all ones due to
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SYS_set_thread_area's return value being an error) before modifying
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%al to attempt a new syscall.
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---
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src/thread/i386/__set_thread_area.s | 1 +
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1 file changed, 1 insertion(+)
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(limited to 'src/thread/i386/__set_thread_area.s')
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diff --git src/thread/i386/__set_thread_area.s src/thread/i386/__set_thread_area.s
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index c2c21dd5..aa6852be 100644
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--- src/thread/i386/__set_thread_area.s
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+++ src/thread/i386/__set_thread_area.s
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@@ -28,6 +28,7 @@ __set_thread_area:
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ret
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2:
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mov %ebx,%ecx
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+ xor %eax,%eax
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xor %ebx,%ebx
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xor %edx,%edx
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mov %ebx,(%esp)
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--
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cgit v1.2.1
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