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/*
* Definitions for emulating ELKS
*/
#define ELKS_CS_OFFSET 0
#define ELKS_DS_OFFSET 0 /* For split I/D */
#define HZ 100
#define ELKS_SIG_IGN (-1)
#define ELKS_SIG_DFL 0
#define WRITE_USPACE 0
#define READ_USPACE 1
#if !__ELF__
#define __AOUT__ 1
#endif
/*
* Minix view of stat(). We have to squash a bit here and give
* wrong values with inode >65535 etc
*/
struct elks_stat
{
unsigned short st_dev;
unsigned short st_inode;
unsigned short st_mode;
unsigned short st_nlink;
unsigned short st_uid;
unsigned short st_gid;
unsigned short st_rdev;
int st_size;
int st_atime;
int st_mtime;
int st_ctime;
};
/*
* Minix ioctl list
*/
#define ELKS_TIOCGETP (('t'<<8)|8)
#define ELKS_TIOCSETP (('t'<<8)|9)
#define ELKS_TIOCGETC (('t'<<8)|18)
#define ELKS_TIOCSETC (('t'<<8)|17)
#define ELKS_TIOCFLUSH (('t'<<8)|16)
/*
* fcntl list
*/
#define ELKS_F_DUPFD 0
#define ELKS_F_GETFD 1
#define ELKS_F_SETFD 2
#define ELKS_F_GETFL 3
#define ELKS_F_SETFL 4
#define ELKS_F_GETLK 5
#define ELKS_F_SETLK 6
#define ELKS_F_SETLKW 7
/*
* Elks binary formats
*/
#define EXEC_HEADER_SIZE 32
struct elks_exec_hdr
{
unsigned long type;
#define ELKS_COMBID 0x04100301L
#define ELKS_SPLITID 0x04200301L
unsigned long hlen;
unsigned long tseg;
unsigned long dseg;
unsigned long bseg;
unsigned long unused;
unsigned long chmem;
unsigned long unused2;
};
#define PARAGRAPH(x) (((unsigned long)(x))>>4)
#define ELKS_DSEG(x) ((unsigned char *)(((x)&0xFFFF)+(elks_cpu.regs.ds<<4)))
#define ELKS_PTR(_t,x) ((_t *) ((elks_cpu.regs.ds<<4)+((x)&0xFFFF)) )
#define ELKS_PEEK(_t,x) (*((_t *) ((elks_cpu.regs.ds<<4)+((x)&0xFFFF)) ))
#define ELKS_POKE(_t,x,_v) \
(*((_t *) ((elks_cpu.regs.ds<<4)+((x)&0xFFFF)) ) = (_v))
extern unsigned char * elks_base;
extern volatile struct vm86_struct elks_cpu;
void db_printf(const char *, ...);
int elks_syscall(void);
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