Differential D14443 Diff 39509 stand/i386/boot2/boot2.c

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stand/i386/boot2/boot2.c

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#include <sys/disklabel.h>		#include <sys/disklabel.h>
#include <sys/diskmbr.h>		#include <sys/diskmbr.h>
#include <sys/dirent.h>		#include <sys/dirent.h>
#include <sys/reboot.h>		#include <sys/reboot.h>

#include <machine/bootinfo.h>		#include <machine/bootinfo.h>
#include <machine/elf.h>		#include <machine/elf.h>

		#include <ufs/ffs/fs.h>

#include <stdarg.h>		#include <stdarg.h>

#include <a.out.h>		#include <a.out.h>

#include <btxv86.h>		#include <btxv86.h>

#include "boot2.h"		#include "boot2.h"
#include "lib.h"		#include "lib.h"
#include "paths.h"		#include "paths.h"
#include "rbx.h"		#include "rbx.h"
		#include "ufsread.h"

/* Define to 0 to omit serial support */		/* Define to 0 to omit serial support */
#ifndef SERIAL		#ifndef SERIAL
#define SERIAL 1		#define SERIAL 1
#endif		#endif

#define IO_KEYBOARD 1		#define IO_KEYBOARD 1
#define IO_SERIAL 2		#define IO_SERIAL 2
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static const char *kname;		static const char *kname;
uint32_t opts;		uint32_t opts;
static struct bootinfo bootinfo;		static struct bootinfo bootinfo;
#if SERIAL		#if SERIAL
static int comspeed = SIOSPD;		static int comspeed = SIOSPD;
static uint8_t ioctrl = IO_KEYBOARD;		static uint8_t ioctrl = IO_KEYBOARD;
#endif		#endif

int main(void);		int main(void);
void exit(int);		void exit(int);
		void memcpy(void , const void , int);
		void printf(const char *, ...);
		int strcmp(const char , const char );
		int dskread(void *, unsigned, unsigned);

static void load(void);		static void load(void);
static int parse(void);		static int parse(void);
static int dskread(void *, unsigned, unsigned);
static void printf(const char *,...);
static void putchar(int);		static void putchar(int);
static int drvread(void *, unsigned, unsigned);		static int drvread(void *, unsigned, unsigned);
static int keyhit(unsigned);		static int keyhit(unsigned);
static int xputc(int);		static int xputc(int);
static int xgetc(int);		static int xgetc(int);
static inline int getc(int);		static inline int getc(int);

static void memcpy(void , const void , int);		void
static void
memcpy(void dst, const void src, int len)		memcpy(void dst, const void src, int len)
{		{
const char *s = src;		const char *s = src;
char *d = dst;		char *d = dst;

while (len--)		while (len--)
d++ = s++;		d++ = s++;
}		}

static inline int		int
strcmp(const char s1, const char s2)		strcmp(const char s1, const char s2)
{		{
for (; s1 == s2 && *s1; s1++, s2++);		for (; s1 == s2 && *s1; s1++, s2++);
return (unsigned char)s1 - (unsigned char)s2;		return (unsigned char)s1 - (unsigned char)s2;
}		}

#define UFS_SMALL_CGBASE
#include "ufsread.c"

static int		static int
xfsread(ufs_ino_t inode, void *buf, size_t nbyte)		xfsread(ufs_ino_t inode, void *buf, size_t nbyte)
{		{
if ((size_t)fsread(inode, buf, nbyte) != nbyte) {		if ((size_t)fsread(inode, buf, nbyte) != nbyte) {
printf("Invalid %s\n", "format");		printf("Invalid %s\n", "format");
return -1;		return -1;
}		}
return 0;		return 0;
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kname = knamebuf;		kname = knamebuf;
}		}
}		}
arg = p;		arg = p;
}		}
return 0;		return 0;
}		}

static int		int
dskread(void *buf, unsigned lba, unsigned nblk)		dskread(void *buf, unsigned lba, unsigned nblk)
{		{
struct dos_partition *dp;		struct dos_partition *dp;
struct disklabel *d;		struct disklabel *d;
char *sec;		char *sec;
unsigned i;		unsigned i;
uint8_t sl;		uint8_t sl;
const char *reason;		const char *reason;
▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Lines	dskread(void *buf, unsigned lba, unsigned nblk)
}		}
}		}
return drvread(buf, dsk.start + lba, nblk);		return drvread(buf, dsk.start + lba, nblk);
error:		error:
printf("Invalid %s\n", reason);		printf("Invalid %s\n", reason);
return -1;		return -1;
}		}

static void		void
printf(const char *fmt,...)		printf(const char *fmt, ...)
{		{
va_list ap;		va_list ap;
static char buf[10];		static char buf[10];
char *s;		char *s;
unsigned u;		unsigned u;
int c;		int c;

va_start(ap, fmt);		va_start(ap, fmt);
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