2010-08-03 07:21:22 +08:00
|
|
|
#include "misc.h"
|
|
|
|
|
2013-10-11 08:18:14 +08:00
|
|
|
#if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
|
2012-07-20 09:04:42 +08:00
|
|
|
|
2010-08-03 07:21:22 +08:00
|
|
|
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"
|
2013-01-25 04:19:57 +08:00
|
|
|
static unsigned long get_cmd_line_ptr(void)
|
|
|
|
{
|
2016-04-19 00:42:12 +08:00
|
|
|
unsigned long cmd_line_ptr = boot_params->hdr.cmd_line_ptr;
|
2013-01-25 04:19:57 +08:00
|
|
|
|
2016-04-19 00:42:12 +08:00
|
|
|
cmd_line_ptr |= (u64)boot_params->ext_cmd_line_ptr << 32;
|
2013-01-29 12:16:44 +08:00
|
|
|
|
2013-01-25 04:19:57 +08:00
|
|
|
return cmd_line_ptr;
|
|
|
|
}
|
2010-08-03 07:21:22 +08:00
|
|
|
int cmdline_find_option(const char *option, char *buffer, int bufsize)
|
|
|
|
{
|
2013-01-25 04:19:57 +08:00
|
|
|
return __cmdline_find_option(get_cmd_line_ptr(), option, buffer, bufsize);
|
2010-08-03 07:21:22 +08:00
|
|
|
}
|
|
|
|
int cmdline_find_option_bool(const char *option)
|
|
|
|
{
|
2013-01-25 04:19:57 +08:00
|
|
|
return __cmdline_find_option_bool(get_cmd_line_ptr(), option);
|
2010-08-03 07:21:22 +08:00
|
|
|
}
|
2012-07-20 09:04:42 +08:00
|
|
|
|
|
|
|
#endif
|