Files
Linux_Drivers/linux_5.10/arch/x86/boot/compressed/cmdline.c
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

31 lines
747 B
C

// SPDX-License-Identifier: GPL-2.0
#include "misc.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->hdr.cmd_line_ptr;
cmd_line_ptr |= (u64)boot_params->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);
}