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Diffstat (limited to 'arch/x86/boot/boot.h')
-rw-r--r--arch/x86/boot/boot.h28
1 files changed, 21 insertions, 7 deletions
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index 98239d2658f2..c7093bd9f2d3 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -28,6 +28,7 @@
#include "bitops.h"
#include <asm/cpufeature.h>
#include <asm/processor-flags.h>
+#include "ctype.h"
/* Useful macros */
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
@@ -37,6 +38,8 @@
extern struct setup_header hdr;
extern struct boot_params boot_params;
+#define cpu_relax() asm volatile("rep; nop")
+
/* Basic port I/O */
static inline void outb(u8 v, u16 port)
{
@@ -198,11 +201,6 @@ static inline int memcmp_gs(const void *s1, addr_t s2, size_t len)
return diff;
}
-static inline int isdigit(int ch)
-{
- return (ch >= '0') && (ch <= '9');
-}
-
/* Heap -- available for dynamic lists. */
extern char _end[];
extern char *HEAP;
@@ -287,8 +285,18 @@ struct biosregs {
void intcall(u8 int_no, const struct biosregs *ireg, struct biosregs *oreg);
/* cmdline.c */
-int cmdline_find_option(const char *option, char *buffer, int bufsize);
-int cmdline_find_option_bool(const char *option);
+int __cmdline_find_option(u32 cmdline_ptr, const char *option, char *buffer, int bufsize);
+int __cmdline_find_option_bool(u32 cmdline_ptr, const char *option);
+static inline int cmdline_find_option(const char *option, char *buffer, int bufsize)
+{
+ return __cmdline_find_option(boot_params.hdr.cmd_line_ptr, option, buffer, bufsize);
+}
+
+static inline int cmdline_find_option_bool(const char *option)
+{
+ return __cmdline_find_option_bool(boot_params.hdr.cmd_line_ptr, option);
+}
+
/* cpu.c, cpucheck.c */
struct cpu_features {
@@ -300,6 +308,10 @@ extern struct cpu_features cpu;
int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr);
int validate_cpu(void);
+/* early_serial_console.c */
+extern int early_serial_base;
+void console_init(void);
+
/* edd.c */
void query_edd(void);
@@ -329,8 +341,10 @@ void initregs(struct biosregs *regs);
/* string.c */
int strcmp(const char *str1, const char *str2);
+int strncmp(const char *cs, const char *ct, size_t count);
size_t strnlen(const char *s, size_t maxlen);
unsigned int atou(const char *s);
+unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int base);
/* tty.c */
void puts(const char *);