Import sources from 2011-03-30 iso image

1 files changed, 240 insertions, 0 deletions

diff --git a/sys/src/cmd/5i/arm.h b/sys/src/cmd/5i/arm.h
new file mode 100755
index 000000000..322bcb2be
--- /dev/null
+++ b/sys/src/cmd/5i/arm.h
@@ -0,0 +1,240 @@
+/*
+ * arm.h
+ */
+#ifndef	EXTERN
+#define	EXTERN	extern
+#endif
+
+typedef	struct	Registers	Registers;
+typedef	struct	Segment		Segment;
+typedef	struct	Memory		Memory;
+typedef	struct	Mul		Mul;
+typedef	struct	Mulu		Mulu;
+typedef	struct	Inst		Inst;
+typedef	struct	Icache		Icache;
+typedef	struct	Tlb		Tlb;
+typedef	struct	Breakpoint	Breakpoint;
+
+enum
+{
+	Instruction	= 1,
+	Read		= 2,
+	Write		= 4,
+	Access		= 2|4,
+	Equal		= 4|8,
+};
+
+struct Breakpoint
+{
+	int		type;		/* Instruction/Read/Access/Write/Equal */
+	ulong		addr;		/* Place at address */
+	int		count;		/* To execute count times or value */
+	int		done;		/* How many times passed through */
+	Breakpoint*	next;		/* Link to next one */
+};
+
+enum
+{
+	Imem,
+	Iarith,
+	Ibranch,
+	Isyscall,
+};
+
+enum
+{
+	Nmaxtlb = 64,
+	REGARG	= 0,
+	REGRET	= 0,
+	REGPC	= 15,
+	REGLINK	= 14,
+	REGSP	= 13,
+};
+
+struct Tlb
+{
+	int	on;			/* Being updated */
+	int	tlbsize;		/* Number of entries */
+	ulong	tlbent[Nmaxtlb];	/* Virtual address tags */
+	int	hit;			/* Number of successful tag matches */
+	int	miss;			/* Number of failed tag matches */
+};		
+
+struct Icache
+{
+	int	on;			/* Turned on */
+	int	linesize;		/* Line size in bytes */
+	int	stall;			/* Cache stalls */
+	int*	lines;			/* Tag array */
+	int*	(*hash)(ulong);		/* Hash function */
+	char*	hashtext;		/* What the function looks like */
+};
+
+struct Inst
+{
+	void 	(*func)(ulong);
+	char*	name;
+	int	type;
+	int	count;
+	int	taken;
+	int	useddelay;
+};
+
+struct Registers
+{
+	ulong	ar;
+	ulong	ir;
+	Inst*	ip;
+	long	r[16];
+	long	cc1;
+	long	cc2;
+	int	class;
+	int	cond;
+	int	compare_op;
+	int	cbit;
+	int	cout;
+};
+
+enum
+{
+	FPd	= 0,
+	FPs,
+	FPmemory,
+};
+
+enum
+{
+	MemRead,
+	MemReadstring,
+	MemWrite,
+};
+
+enum
+{
+	CCcmp, 
+	CCtst,
+	CCteq,
+};
+
+enum
+{
+	Stack,
+	Text,
+	Data,
+	Bss,
+	Nseg,
+};
+
+struct Segment
+{
+	short	type;
+	ulong	base;
+	ulong	end;
+	ulong	fileoff;
+	ulong	fileend;
+	int	rss;
+	int	refs;
+	uchar**	table;
+};
+
+struct Memory
+{
+	Segment	seg[Nseg];
+};
+
+void		Ssyscall(ulong);
+int		armclass(long);
+void		breakpoint(char*, char*);
+void		brkchk(ulong, int);
+void		cmd(void);
+void		delbpt(char*);
+void		dobplist(void);
+void		dumpdreg(void);
+void		dumpfreg(void);
+void		dumpreg(void);
+void*		emalloc(ulong);
+void*		erealloc(void*, ulong, ulong);
+ulong		expr(char*);
+void		fatal(int, char*, ...);
+ulong		getmem_2(ulong);
+ulong		getmem_4(ulong);
+uchar		getmem_b(ulong);
+ushort		getmem_h(ulong);
+uvlong		getmem_v(ulong);
+ulong		getmem_w(ulong);
+ulong		ifetch(ulong);
+void		inithdr(int);
+void		initicache(void);
+void		initmap(void);
+void		initstk(int, char**);
+void		iprofile(void);
+void		isum(void);
+void		itrace(char*, ...);
+long		lnrand(long);
+char*		memio(char*, ulong, int, int);
+int		_mipscoinst(Map*, ulong, char*, int);
+Mul		mul(long, long);
+Mulu		mulu(ulong, ulong);
+char*		nextc(char*);
+void		printlocals(Symbol*, ulong);
+void		printparams(Symbol*, ulong);
+void		printsource(long);
+void		procinit(int);
+void		putmem_b(ulong, uchar);
+void		putmem_h(ulong, ushort);
+void		putmem_v(ulong, uvlong);
+void		putmem_w(ulong, ulong);
+void		reset(void);
+void		run(void);
+void		segsum(void);
+void		stktrace(int);
+void		tlbsum(void);
+void		undef(ulong);
+void		updateicache(ulong addr);
+void*		vaddr(ulong);
+
+/* Globals */
+EXTERN	Registers	reg;
+EXTERN	Memory		memory;
+EXTERN	int		text;
+EXTERN	int		trace;
+EXTERN	int		sysdbg;
+EXTERN	int		calltree;
+EXTERN	Inst		itab[];
+EXTERN	Inst		ispec[];
+EXTERN	Icache		icache;
+EXTERN	Tlb		tlb;
+EXTERN	int		count;
+EXTERN	jmp_buf		errjmp;
+EXTERN	Breakpoint*	bplist;
+EXTERN	int		atbpt;
+EXTERN	int		membpt;
+EXTERN	int		cmdcount;
+EXTERN	int		nopcount;
+EXTERN	ulong		dot;
+EXTERN	char*		file;
+EXTERN	Biobuf*		bioout;
+EXTERN	Biobuf*		bin;
+EXTERN	ulong*		iprof;
+EXTERN	int		datasize;
+EXTERN	Map*		symmap;	
+
+/* Plan9 Kernel constants */
+enum
+{
+	BY2PG		= 4096,
+	BY2WD		= 4,
+	UTZERO		= 0x1000,
+	STACKTOP	= 0x80000000,
+	STACKSIZE	= 0x10000,
+
+	PROFGRAN	= 4,
+	Sbit		= 1<<20,
+	SIGNBIT		= 0x80000000,
+
+	FP_U		= 3,
+	FP_L		= 1,
+	FP_G		= 2,
+	FP_E		= 0,
+	FP_CBIT		= 1<<23,
+};