20060303

1 files changed, 162 insertions, 0 deletions

diff --git a/os/fads/dat.h b/os/fads/dat.h
new file mode 100644
index 00000000..19d7c560
--- /dev/null
+++ b/os/fads/dat.h
@@ -0,0 +1,162 @@
+typedef struct Conf	Conf;
+typedef struct FPU	FPU;
+typedef struct FPenv	FPenv;
+typedef struct IMM	IMM;
+typedef struct Irqctl	Irqctl;
+typedef struct ISAConf	ISAConf;
+typedef struct Label	Label;
+typedef struct Lock	Lock;
+typedef struct Mach	Mach;
+typedef struct Map	Map;
+typedef struct Power Power;
+typedef struct RMap RMap;
+typedef struct Ureg	Ureg;
+
+typedef ulong Instr;
+
+#define	MACHP(n)	(n==0? &mach0 : *(Mach**)0)
+
+struct	Lock
+{
+	ulong	key;
+	ulong	pc;
+	ulong	sr;
+	int	pri;
+};
+
+struct	Label
+{
+	ulong	sp;
+	ulong	pc;
+};
+
+/*
+ * Proc.fpstate
+ */
+enum
+{
+	FPINIT,
+	FPACTIVE,
+	FPINACTIVE,
+};
+
+/*
+ * This structure must agree with FPsave and FPrestore asm routines
+ */
+struct FPenv
+{
+	union {
+		double	fpscrd;
+		struct {
+			ulong	pad;
+			ulong	fpscr;
+		};
+	};
+	int	fpistate;	/* emulated fp */
+	ulong	emreg[32][3];	/* emulated fp */
+};
+/*
+ * This structure must agree with fpsave and fprestore asm routines
+ */
+struct	FPU
+{
+	double	fpreg[32];
+	FPenv	env;
+};
+
+struct Conf
+{
+	ulong	nmach;		/* processors */
+	ulong	nproc;		/* processes */
+	ulong	npage0;		/* total physical pages of memory */
+	ulong	npage1;		/* total physical pages of memory */
+	ulong	npage;		/* total physical pages of memory */
+	ulong	base0;		/* base of bank 0 */
+	ulong	base1;		/* base of bank 1 */
+	ulong	ialloc;		/* max interrupt time allocation in bytes */
+
+	int	nscc;	/* number of SCCs implemented */
+	ulong	smcuarts;		/* bits for SMCs to define as eiaN */
+	ulong	sccuarts;		/* bits for SCCs to define as eiaN  */
+	int	nocts2;	/* CTS2 and CD2 aren't connected */
+	uchar*	nvrambase;	/* virtual address of nvram */
+	ulong	nvramsize;	/* size in bytes */
+};
+
+#include "../port/portdat.h"
+
+/*
+ *  machine dependent definitions not used by ../port/dat.h
+ */
+
+struct Mach
+{
+	/* OFFSETS OF THE FOLLOWING KNOWN BY l.s */
+	int	machno;			/* physical id of processor (unused) */
+	ulong	splpc;			/* pc of last caller to splhi (unused) */
+	int	mmask;			/* 1<<m->machno (unused) */
+
+	/* ordering from here on irrelevant */
+	ulong	ticks;			/* of the clock since boot time */
+	Proc	*proc;			/* current process on this processor */
+	Label	sched;			/* scheduler wakeup */
+	Lock	alarmlock;		/* access to alarm list */
+	void	*alarm;			/* alarms bound to this clock */
+	int	nrdy;
+	int	speed;	/* general system clock in MHz */
+	long	oscclk;	/* oscillator frequency (MHz) */
+	long	cpuhz;	/* general system clock (cycles) */
+	long	clockgen;	/* clock generator frequency (cycles) */
+	int	cputype;
+	ulong	delayloop;
+	ulong*	bcsr;
+	IMM*	iomem;	/* MPC8xx internal i/o control memory */
+
+	/* MUST BE LAST */
+	int	stack[1];
+};
+extern	Mach	mach0;
+
+
+/*
+ *  a parsed .ini line
+ */
+#define NISAOPT		8
+
+struct ISAConf {
+	char*	type;
+	ulong	port;
+	ulong	irq;
+	ulong	mem;
+	int	dma;
+	ulong	size;
+	ulong	freq;
+	uchar	bus;
+
+	int	nopt;
+	char*	opt[NISAOPT];
+};
+
+struct Map {
+	int	size;
+	ulong	addr;
+};
+
+struct RMap {
+	char*	name;
+	Map*	map;
+	Map*	mapend;
+
+	Lock;
+};
+
+struct Power {
+	Dev*	dev;
+	int	(*powerdown)(Power*);
+	int	(*powerup)(Power*);
+	int	state;
+	void*	arg;
+};
+
+extern register Mach	*m;
+extern register Proc	*up;