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linux/arch/x86/boot/compressed/cmdline.c
Thomas Zimmermann 103bf75fc9 x86: Do not include <asm/bootparam.h> in several files
Remove the include statement for <asm/bootparam.h> from several files
that don't require it and limit the exposure of those definitions within
the Linux kernel code.

  [ bp: Massage commit message. ]

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20240112095000.8952-5-tzimmermann@suse.de
2024-01-30 15:17:24 +01:00

32 lines
783 B
C

// SPDX-License-Identifier: GPL-2.0
#include "misc.h"
#include <asm/bootparam.h>
static unsigned long fs;
static inline void set_fs(unsigned long seg)
{
fs = seg << 4; /* shift it back */
}
typedef unsigned long addr_t;
static inline char rdfs8(addr_t addr)
{
return *((char *)(fs + addr));
}
#include "../cmdline.c"
unsigned long get_cmd_line_ptr(void)
{
unsigned long cmd_line_ptr = boot_params_ptr->hdr.cmd_line_ptr;
cmd_line_ptr |= (u64)boot_params_ptr->ext_cmd_line_ptr << 32;
return cmd_line_ptr;
}
int cmdline_find_option(const char *option, char *buffer, int bufsize)
{
return __cmdline_find_option(get_cmd_line_ptr(), option, buffer, bufsize);
}
int cmdline_find_option_bool(const char *option)
{
return __cmdline_find_option_bool(get_cmd_line_ptr(), option);
}