ref: f3216125def1dbfa242c274f66e13176425fa41e
dir: /sys/src/9/arm64/dat.h/
/* * Time. * * HZ should divide 1000 evenly, ideally. * 100, 125, 200, 250 and 333 are okay. */ #define HZ 100 /* clock frequency */ #define MS2HZ (1000/HZ) /* millisec per clock tick */ #define TK2SEC(t) ((t)/HZ) /* ticks to seconds */ enum { Mhz = 1000 * 1000, GpioLow = 0, GpioHigh, GpioRising, GpioFalling, GpioEdge, }; typedef struct Conf Conf; typedef struct Confmem Confmem; typedef struct FPsave FPsave; typedef struct PFPU PFPU; typedef struct ISAConf ISAConf; typedef struct Label Label; typedef struct Lock Lock; typedef struct Memcache Memcache; typedef struct MMMU MMMU; typedef struct Mach Mach; typedef struct Page Page; typedef struct PhysUart PhysUart; typedef struct Pcidev Pcidev; typedef struct PMMU PMMU; typedef struct Proc Proc; typedef u64int PTE; typedef struct Soc Soc; typedef struct Uart Uart; typedef struct Ureg Ureg; typedef uvlong Tval; typedef void KMap; #pragma incomplete Pcidev #pragma incomplete Ureg #define MAXSYSARG 5 /* for mount(fd, mpt, flag, arg, srv) */ /* * parameters for sysproc.c */ #define AOUT_MAGIC (R_MAGIC) struct Lock { ulong key; u32int sr; uintptr pc; Proc* p; Mach* m; int isilock; }; struct Label { uintptr sp; uintptr pc; }; struct FPsave { uvlong regs[32][2]; ulong control; ulong status; }; #define KFPSTATE struct PFPU { int fpstate; int kfpstate; FPsave *fpsave; FPsave *kfpsave; }; enum { FPinit, FPactive, FPinactive, FPprotected, /* bits or'd with the state */ FPillegal= 0x100, }; struct Confmem { uintptr base; ulong npage; uintptr limit; uintptr kbase; uintptr klimit; }; struct Conf { ulong nmach; /* processors */ ulong nproc; /* processes */ Confmem mem[3]; /* physical memory */ ulong npage; /* total physical pages of memory */ ulong upages; /* user page pool */ ulong copymode; /* 0 is copy on write, 1 is copy on reference */ ulong ialloc; /* max interrupt time allocation in bytes */ ulong pipeqsize; /* size in bytes of pipe queues */ ulong nimage; /* number of page cache image headers */ ulong nswap; /* number of swap pages */ int nswppo; /* max # of pageouts per segment pass */ int monitor; /* flag */ }; /* * MMU stuff in Mach. */ struct MMMU { PTE* mmutop; /* first level user page table */ }; /* * MMU stuff in proc */ #define NCOLOR 1 /* 1 level cache, don't worry about VCE's */ struct PMMU { union { Page *mmufree; /* mmuhead[0] is freelist head */ Page *mmuhead[PTLEVELS]; }; Page *mmutail[PTLEVELS]; int asid; uintptr tpidr; }; #include "../port/portdat.h" struct Mach { int machno; /* physical id of processor */ uintptr splpc; /* pc of last caller to splhi */ Proc* proc; /* current process on this processor */ /* end of offsets known to asm */ MMMU; PMach; int fpstate; FPsave *fpsave; int cputype; ulong delayloop; int stack[1]; }; struct { char machs[MAXMACH]; /* active CPUs */ int exiting; /* shutdown */ }active; #define MACHP(n) ((Mach*)MACHADDR(n)) extern register Mach* m; /* R27 */ extern register Proc* up; /* R26 */ extern int normalprint; /* * a parsed plan9.ini line */ #define NISAOPT 8 struct ISAConf { char *type; uvlong port; int irq; ulong dma; ulong mem; ulong size; ulong freq; int nopt; char *opt[NISAOPT]; }; /* * Horrid. But the alternative is 'defined'. */ #ifdef _DBGC_ #define DBGFLG (dbgflg[_DBGC_]) #else #define DBGFLG (0) #endif /* _DBGC_ */ int vflag; extern char dbgflg[256]; #define dbgprint print /* for now */ /* * 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 */ };