Import Dev86-0.0.4.tar.gzv0.0.4

1 files changed, 96 insertions, 0 deletions

diff --git a/elksemu/elks.h b/elksemu/elks.h
new file mode 100644
index 0000000..6d52470
--- /dev/null
+++ b/elksemu/elks.h
@@ -0,0 +1,96 @@
+/*
+ *	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);