ref: cd747191012d0420ac631340d962da1f80cef0a5
dir: /sys/src/9/bitsy/dat.h/
typedef struct Cisdat Cisdat;
typedef struct Conf Conf;
typedef struct Confmem Confmem;
typedef struct FPU FPU;
typedef struct FPenv FPenv;
typedef struct FPsave FPsave;
typedef struct DevConf DevConf;
typedef struct Label Label;
typedef struct Lock Lock;
typedef struct MMU MMU;
typedef struct Mach Mach;
typedef struct Notsave Notsave;
typedef struct Page Page;
typedef struct PCMmap PCMmap;
typedef struct PCMslot PCMslot;
typedef struct PCMconftab PCMconftab;
typedef struct PhysUart PhysUart;
typedef struct PMMU PMMU;
typedef struct Proc Proc;
typedef struct Uart Uart;
typedef struct Ureg Ureg;
typedef struct Vctl Vctl;
typedef long Tval;
#pragma incomplete Ureg
typedef void IntrHandler(Ureg*, void*);
#define MAXSYSARG 5 /* for mount(fd, mpt, flag, arg, srv) */
/*
* parameters for sysproc.c
*/
#define AOUT_MAGIC (E_MAGIC)
struct Lock
{
ulong key;
ulong sr;
ulong pc;
Proc *p;
Mach *m;
ushort isilock;
};
struct Label
{
ulong sp;
ulong pc;
};
/*
* FPsave.status
*/
enum
{
FPinit,
FPactive,
FPinactive,
};
struct FPsave
{
ulong status;
ulong control;
ulong regs[8][3]; /* emulated fp */
};
struct Confmem
{
ulong base;
ulong npage;
ulong limit;
ulong kbase;
ulong klimit;
};
struct Conf
{
ulong nmach; /* processors */
ulong nproc; /* processes */
Confmem mem[2];
ulong npage; /* total physical pages of memory */
ulong upages; /* user page pool */
ulong nimage; /* number of page cache image headers */
ulong nswap; /* number of swap pages */
int nswppo; /* max # of pageouts per segment pass */
ulong copymode; /* 0 is copy on write, 1 is copy on reference */
int monitor;
ulong ialloc; /* bytes available for interrupt time allocation */
ulong pipeqsize; /* size in bytes of pipe queues */
ulong hz; /* processor cycle freq */
ulong mhz;
};
/*
* MMU stuff in proc
*/
enum
{
NCOLOR= 1, /* 1 level cache, don't worry about VCE's */
Nmeg= 32, /* maximum size of user space */
};
struct PMMU
{
Page *l1page[Nmeg]; /* this's process' level 1 entries */
ulong l1table[Nmeg]; /* ... */
Page *mmufree; /* free mmu pages */
};
/*
* things saved in the Proc structure during a notify
*/
struct Notsave
{
int dummy;
};
#include "../port/portdat.h"
struct Mach
{
int machno; /* physical id of processor */
ulong splpc; /* pc of last caller to splhi */
Proc *proc; /* current process */
ulong mmupid; /* process id currently in mmu & cache */
ulong ticks; /* of the clock since boot time */
Label sched; /* scheduler wakeup */
Lock alarmlock; /* access to alarm list */
void* alarm; /* alarms bound to this clock */
int inclockintr;
Proc* readied; /* for runproc */
ulong schedticks; /* next forced context switch */
/* stats */
int tlbfault;
int tlbpurge;
int pfault;
int cs;
int syscall;
int load;
int intr;
vlong fastclock; /* last sampled value */
uvlong inidle; /* time spent in idlehands() */
ulong spuriousintr;
int lastintr;
int ilockdepth;
Perf perf; /* performance counters */
int flushmmu; /* make current proc flush it's mmu state */
Proc *pid2proc[31]; /* what proc holds what pid */
int lastpid; /* highest assigned pid slot */
int cpumhz; /* speed of cpu */
vlong cpuhz; /* ... */
uvlong cyclefreq; /* Frequency of user readable cycle counter */
/* save areas for exceptions */
ulong sfiq[5];
ulong sirq[5];
ulong sund[5];
ulong sabt[5];
int stack[1];
};
/*
* Fake kmap since we direct map dram
*/
typedef void KMap;
#define VA(k) ((ulong)(k))
#define kmap(p) (KMap*)((p)->pa)
#define kunmap(k)
struct
{
Lock;
char machs[MAXMACH]; /* active CPUs */
int exiting; /* shutdown */
}active;
#define MACHP(n) ((Mach *)(MACHADDR+(n)*BY2PG))
extern Mach *m;
extern Proc *up;
enum
{
OneMeg= 1024*1024,
};
/*
* PCMCIA structures known by both port/cis.c and the pcmcia driver
*/
/*
* Map between ISA memory space and PCMCIA card memory space.
*/
struct PCMmap {
ulong ca; /* card address */
ulong cea; /* card end address */
ulong isa; /* local virtual address */
int len; /* length of the ISA area */
int attr; /* attribute memory */
};
/*
* a PCMCIA configuration entry
*/
struct PCMconftab
{
int index;
ushort irqs; /* legal irqs */
uchar irqtype;
uchar bit16; /* true for 16 bit access */
struct {
ulong start;
ulong len;
} io[16];
int nio;
uchar vpp1;
uchar vpp2;
uchar memwait;
ulong maxwait;
ulong readywait;
ulong otherwait;
};
/*
* PCMCIA card slot
*/
struct PCMslot
{
RWlock;
Ref ref;
long memlen; /* memory length */
uchar slotno; /* slot number */
void *regs; /* i/o registers */
void *mem; /* memory */
void *attr; /* attribute memory */
/* status */
uchar occupied; /* card in the slot */
uchar configed; /* card configured */
uchar inserted; /* card just inserted */
Dev *dev; /* set in ctlwrite `configure' */
/* cis info */
int cisread; /* set when the cis has been read */
char verstr[512]; /* version string */
int ncfg; /* number of configurations */
struct {
ushort cpresent; /* config registers present */
ulong caddr; /* relative address of config registers */
} cfg[8];
int nctab; /* number of config table entries */
PCMconftab ctab[8];
PCMconftab *def; /* default conftab */
/* maps are fixed */
PCMmap memmap;
PCMmap attrmap;
};
/*
* hardware info about a device
*/
typedef struct {
ulong port;
int size;
} Devport;
struct DevConf
{
RWlock; /* write: configure/unconfigure/suspend; read: normal access */
ulong mem; /* mapped memory address */
Devport *ports; /* ports[0]: mapped i/o regs, access size */
int nports; /* always 1 for the bitsy */
int itype; /* type of interrupt */
ulong intnum; /* interrupt number */
char *type; /* card type, mallocated */
};