ref: 0ec381a846c6c0a8ad7177ddcbced27286d238e1
dir: /sys/src/9/mt7688/dat.h/
typedef struct Conf Conf; typedef struct Confmem Confmem; typedef struct FPsave FPsave; typedef struct PFPU PFPU; typedef struct KMap KMap; typedef struct Lance Lance; typedef struct Lancemem Lancemem; typedef struct Label Label; typedef struct Lock Lock; typedef struct Mach Mach; typedef struct MMU MMU; typedef struct PMMU PMMU; typedef struct Softtlb Softtlb; typedef struct Ureg Ureg; typedef struct Proc Proc; typedef struct ISAConf ISAConf; typedef uvlong Tval; #define MAXSYSARG 5 /* for mount(fd, afd, mpt, flag, arg) */ /* * parameters for sysproc.c and rebootcmd.c */ //#define AOUT_MAGIC (P_MAGIC) #define AOUT_MAGIC N_MAGIC || magic==P_MAGIC /* r3k or r4k boot images */ #define BOOT_MAGIC (0x160<<16) || magic == ((0x160<<16)|3) /* fron legacy /mips/include/u.h */ #define FPCOND (1<<23) /* * machine dependent definitions used by ../port/dat.h */ struct Lock { ulong key; /* semaphore (non-zero = locked) */ ulong sr; ulong pc; Proc *p; Mach *m; ushort isilock; }; struct Label { uintptr sp; uintptr pc; }; struct Confmem { ulong base; ulong npage; ulong kbase; ulong klimit; }; struct Conf { ulong nmach; /* processors */ ulong nproc; /* processes */ Confmem mem[4]; 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 */ ulong ialloc; /* bytes available for interrupt-time allocation */ ulong pipeqsize; /* size in bytes of pipe queues */ int nuart; /* number of uart devices */ int monitor; int keyboard; }; struct ISAConf { char *type; ulong port; int irq; int nopt; char *opt[1]; }; #define BUSUNKNOWN -1 /* * floating point registers */ enum { Nfpregs = 32, /* floats; half as many doubles */ }; /* * emulated floating point (mips32r2 with ieee fp regs) * fpstate is separate, kept in Proc */ struct FPsave { /* scratch space for kernel use (e.g., mips fp delay-slot execution) */ ulong kscr[4]; /* /dev/proc expects the registers to be first in FPsave */ ulong reg[Nfpregs]; /* the canonical bits */ union { ulong fpstatus; /* both are fcr31 */ ulong fpcontrol; }; int fpdelayexec; /* executing delay slot of branch */ uintptr fpdelaypc; /* pc to resume at after */ ulong fpdelaysts; /* save across user-mode delay-slot execution */ /* stuck-fault detection */ uintptr fppc; /* addr of last fault */ int fpcnt; /* how many consecutive at that addr */ }; int fpemudebug; struct PFPU { int fpstate; FPsave fpsave[1]; }; enum { /* floating point state */ FPinit, FPactive, FPinactive, FPemu, /* bit meaning floating point illegal */ FPillegal= 0x100, }; /* * mmu goo in the Proc structure */ struct PMMU { int pidonmach[MAXMACH]; }; #include "../port/portdat.h" struct Mach { /* the following are all known by l.s and cannot be moved */ int machno; /* physical id of processor */ Softtlb*stb; Proc* proc; /* process on this processor */ uintptr splpc; /* pc that called splhi() */ ulong tlbfault; /* the following is safe to move */ PMach; int lastpid; /* last pid allocated on this machine */ Proc* pidproc[NTLBPID]; /* proc that owns tlbpid on this mach */ KMap* kactive; /* active on this machine */ int knext; uchar ktlbx[NTLB]; /* tlb index used for kmap */ uchar ktlbnext; /* for per-processor timers */ uvlong fastticks; ulong lastcount; ulong hz; int speed; /* cpu speed */ ulong delayloop; /* for the delay() routine */ ulong maxperiod; ulong minperiod; int hashcoll; /* soft-tlb hash collisions */ int paststartup; /* for putktlb */ uintptr stack[1]; }; struct KMap { Ref; ulong virt; ulong phys0; ulong phys1; KMap* next; KMap* konmach[MAXMACH]; Page* pg; ulong pc; /* of caller to kmap() */ }; #define VA(k) ((k)->virt) #define PPN(x) ((ulong)(x)>>6) struct Softtlb { ulong virt; ulong phys0; ulong phys1; }; struct { char machs[MAXMACH]; /* active cpus */ short exiting; }active; enum { Mhz = 1000*1000, }; extern register Mach *m; extern register Proc *up; extern Mach* machaddr[MAXMACH]; #define MACHP(n) (machaddr[n]) extern FPsave initfp; /* * hardware info about a device */ typedef struct { ulong port; int size; } Devport; struct DevConf { ulong intnum; /* interrupt number */ char *type; /* card type, malloced */ int nports; /* Number of ports */ Devport *ports; /* The ports themselves */ };