bd448d4d0a
CONFIG_EARLY_PRINTK is the only feature that might use command line parsing in the decompression stage. If it is disabled then we can exclude the related code to save space. This can result in an estimated space savings of 2240 bytes from the compressed kernel image. Signed-off-by: Joe Millenbach <jmillenbach@gmail.com> Link: http://lkml.kernel.org/r/1342746282-28497-8-git-send-email-jmillenbach@gmail.com Signed-off-by: Gokul Caushik <caushik1@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
#ifndef BOOT_COMPRESSED_MISC_H
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#define BOOT_COMPRESSED_MISC_H
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/*
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* we have to be careful, because no indirections are allowed here, and
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* paravirt_ops is a kind of one. As it will only run in baremetal anyway,
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* we just keep it from happening
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*/
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#undef CONFIG_PARAVIRT
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#ifdef CONFIG_X86_32
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#define _ASM_X86_DESC_H 1
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#endif
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#include <linux/linkage.h>
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#include <linux/screen_info.h>
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#include <linux/elf.h>
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#include <linux/io.h>
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#include <asm/page.h>
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#include <asm/boot.h>
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#include <asm/bootparam.h>
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#define BOOT_BOOT_H
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#include "../ctype.h"
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/* misc.c */
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extern struct boot_params *real_mode; /* Pointer to real-mode data */
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void __putstr(const char *s);
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#define error_putstr(__x) __putstr(__x)
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#ifdef CONFIG_X86_VERBOSE_BOOTUP
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#define debug_putstr(__x) __putstr(__x)
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#else
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static inline void debug_putstr(const char *s)
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{ }
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#endif
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#ifdef CONFIG_EARLY_PRINTK
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/* cmdline.c */
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int cmdline_find_option(const char *option, char *buffer, int bufsize);
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int cmdline_find_option_bool(const char *option);
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/* early_serial_console.c */
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extern int early_serial_base;
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void console_init(void);
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#else
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/* early_serial_console.c */
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static const int early_serial_base;
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static inline void console_init(void)
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{ }
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#endif
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#endif
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