3 files changed, 97 insertions, 0 deletions
diff --git a/Inferno/386/include/lib9.h b/Inferno/386/include/lib9.h
new file mode 100644
index 00000000..1767d7b3
--- /dev/null
+++ b/Inferno/386/include/lib9.h
@@ -0,0 +1,8 @@
+#include <u.h>
+#include <kern.h>
+
+/*
+ *	Extensions for Inferno to basic libc.h
+ */
+
+#define __LITTLE_ENDIAN	/* math/dtoa.c only */
diff --git a/Inferno/386/include/u.h b/Inferno/386/include/u.h
new file mode 100644
index 00000000..5c07da93
--- /dev/null
+++ b/Inferno/386/include/u.h
@@ -0,0 +1,64 @@
+#define nil		((void*)0)
+typedef	unsigned short	ushort;
+typedef	unsigned char	uchar;
+typedef unsigned long	ulong;
+typedef unsigned int	uint;
+typedef   signed char	schar;
+typedef	long long	vlong;
+typedef	unsigned long long uvlong;
+typedef unsigned long	uintptr;
+typedef	ushort		Rune;
+typedef union FPdbleword FPdbleword;
+typedef long		jmp_buf[2];
+#define	JMPBUFSP	0
+#define	JMPBUFPC	1
+#define	JMPBUFDPC	0
+typedef unsigned int	mpdigit;	/* for /sys/include/mp.h */
+typedef unsigned char	u8int;
+typedef unsigned short	u16int;
+typedef unsigned int	u32int;
+typedef unsigned long long u64int;
+
+/* FCR */
+#define	FPINEX	(1<<5)
+#define	FPUNFL	((1<<4)|(1<<1))
+#define	FPOVFL	(1<<3)
+#define	FPZDIV	(1<<2)
+#define	FPINVAL	(1<<0)
+#define	FPRNR	(0<<10)
+#define	FPRZ	(3<<10)
+#define	FPRPINF	(2<<10)
+#define	FPRNINF	(1<<10)
+#define	FPRMASK	(3<<10)
+#define	FPPEXT	(3<<8)
+#define	FPPSGL	(0<<8)
+#define	FPPDBL	(2<<8)
+#define	FPPMASK	(3<<8)
+/* FSR */
+#define	FPAINEX	FPINEX
+#define	FPAOVFL	FPOVFL
+#define	FPAUNFL	FPUNFL
+#define	FPAZDIV	FPZDIV
+#define	FPAINVAL	FPINVAL
+union FPdbleword
+{
+	double	x;
+	struct {	/* little endian */
+		ulong lo;
+		ulong hi;
+	};
+};
+
+typedef	char*	va_list;
+#define va_start(list, start) list =\
+	(sizeof(start) < 4?\
+		(char*)((int*)&(start)+1):\
+		(char*)(&(start)+1))
+#define va_end(list)\
+	USED(list)
+#define va_arg(list, mode)\
+	((sizeof(mode) == 1)?\
+		((mode*)(list += 4))[-4]:\
+	(sizeof(mode) == 2)?\
+		((mode*)(list += 4))[-2]:\
+		((mode*)(list += sizeof(mode)))[-1])
diff --git a/Inferno/386/include/ureg.h b/Inferno/386/include/ureg.h
new file mode 100644
index 00000000..31c3f961
--- /dev/null
+++ b/Inferno/386/include/ureg.h
@@ -0,0 +1,25 @@
+struct Ureg
+{
+	ulong	di;		/* general registers */
+	ulong	si;		/* ... */
+	ulong	bp;		/* ... */
+	ulong	nsp;
+	ulong	bx;		/* ... */
+	ulong	dx;		/* ... */
+	ulong	cx;		/* ... */
+	ulong	ax;		/* ... */
+	ulong	gs;		/* data segments */
+	ulong	fs;		/* ... */
+	ulong	es;		/* ... */
+	ulong	ds;		/* ... */
+	ulong	trap;		/* trap type */
+	ulong	ecode;		/* error code (or zero) */
+	ulong	pc;		/* pc */
+	ulong	cs;		/* old context */
+	ulong	flags;		/* old flags */
+	union {
+		ulong	usp;
+		ulong	sp;
+	};
+	ulong	ss;		/* old stack segment */
+};