Release 4.14 arch/x86/boot/compressed/cmdline.c

// SPDX-License-Identifier: GPL-2.0
#include "misc.h"

#if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE


static unsigned long fs;


static inline void set_fs(unsigned long seg)
{
	fs = seg << 4;  /* shift it back */
}
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typedef unsigned long addr_t;


static inline char rdfs8(addr_t addr)
{
	return *((char *)(fs + addr));
}
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#include "../cmdline.c"


unsigned long get_cmd_line_ptr(void)
{
	unsigned long cmd_line_ptr = boot_params->hdr.cmd_line_ptr;

	cmd_line_ptr |= (u64)boot_params->ext_cmd_line_ptr << 32;

	return cmd_line_ptr;
}
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int cmdline_find_option(const char *option, char *buffer, int bufsize)
{
	return __cmdline_find_option(get_cmd_line_ptr(), option, buffer, bufsize);
}
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int cmdline_find_option_bool(const char *option)
{
	return __cmdline_find_option_bool(get_cmd_line_ptr(), option);
}

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#endif
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Directory: arch/x86/boot/compressed

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