3 files changed, 97 insertions, 0 deletions
diff --git a/Inferno/thumb/include/lib9.h b/Inferno/thumb/include/lib9.h
new file mode 100644
index 00000000..aa72ded4
--- /dev/null
+++ b/Inferno/thumb/include/lib9.h
@@ -0,0 +1,8 @@
+#include <u.h>
+#include <kern.h>
+
+/*
+ *	Extensions for Inferno to basic libc.h
+ */
+
+#undef __LITTLE_ENDIAN /* math/dtoa.c; longs in ARM doubles are big-endian */
diff --git a/Inferno/thumb/include/u.h b/Inferno/thumb/include/u.h
new file mode 100644
index 00000000..2ab381d2
--- /dev/null
+++ b/Inferno/thumb/include/u.h
@@ -0,0 +1,65 @@
+#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	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;
+typedef unsigned long uintptr;
+
+/* FCR */
+#define	FPINEX	(1<<20)
+#define	FPUNFL	(1<<19)
+#define	FPOVFL	(1<<18)
+#define	FPZDIV	(1<<17)
+#define	FPINVAL	(1<<16)
+#define	FPRNR	(0<<0)
+#define	FPRZ	(1<<0)
+#define	FPRPINF	(2<<0)
+#define	FPRNINF	(3<<0)
+#define	FPRMASK	(3<<0)
+#define	FPPEXT	0
+#define	FPPSGL	0
+#define	FPPDBL	0
+#define	FPPMASK	0
+/* FSR */
+#define	FPAINEX	(1<<4)
+#define	FPAUNFL	(1<<3)
+#define	FPAOVFL	(1<<2)
+#define	FPAZDIV	(1<<1)
+#define	FPAINVAL	(1<<0)
+union FPdbleword
+{
+	double	x;
+	struct {	/* big endian (on 7500) */
+		ulong hi;
+		ulong lo;
+	};
+};
+
+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/thumb/include/ureg.h b/Inferno/thumb/include/ureg.h
new file mode 100644
index 00000000..7784f4d5
--- /dev/null
+++ b/Inferno/thumb/include/ureg.h
@@ -0,0 +1,24 @@
+typedef struct Ureg {
+	uint	r0;
+	uint	r1;
+	uint	r2;
+	uint	r3;
+	uint	r4;
+	uint	r5;
+	uint	r6;
+	uint	r7;
+	uint	r8;
+	uint	r9;
+	uint	r10;
+	uint	r11;
+	uint	r12;
+	union {
+		uint	r13;
+		uint	sp;
+	};
+	uint	r14;
+	uint	link;
+	uint	type;
+	uint	psr;
+	uint	pc;
+} Ureg;