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x86: remove zImage support

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Impact: obsolete feature removal

The zImage kernel format has been functionally unused for a very long
time.  It is just barely possible to build a modern kernel that still
fits within the zImage size limit, but it is highly unlikely that
anyone ever uses it.  Furthermore, although it is still supported by
most bootloaders, it has been at best poorly tested (or not tested at
all); some bootloaders are even known to not support zImage at all and
not having even noticed.

Also remove some really obsolete constants that no longer have any
meaning.

LKML-Reference: <49B703D4.1000008@zytor.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin
2009-03-11 10:55:33 -07:00
parent 78b020d035
commit 5e47c478b0
5 changed files with 18 additions and 91 deletions
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4
arch/x86/include/asm/boot.h
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@@ -1,10 +1,6 @@
#ifndef _ASM_X86_BOOT_H
#define _ASM_X86_BOOT_H
/* Don't touch these, unless you really know what you're doing. */
#define DEF_SYSSEG 0x1000
#define DEF_SYSSIZE 0x7F00
/* Internal svga startup constants */
#define NORMAL_VGA 0xffff /* 80x25 mode */
#define EXTENDED_VGA 0xfffe /* 80x50 mode */