ref: 909323e92a4e694bff5908e500d8655ac1bbd932
dir: /sys/src/9/omap/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, }; /* * More accurate time */ #define MS2TMR(t) ((ulong)(((uvlong)(t) * m->cpuhz)/1000)) #define US2TMR(t) ((ulong)(((uvlong)(t) * m->cpuhz)/1000000)) /* * we ignore the first 2 uarts on the omap3530 (see uarti8250.c) and use the * third one but call it 0. */ #define CONSOLE 0 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 u32int Mreg; /* Msr - bloody UART */ typedef struct Page Page; typedef struct PhysUart PhysUart; typedef struct PMMU PMMU; typedef struct Proc Proc; typedef u32int PTE; typedef struct Uart Uart; typedef struct Ureg Ureg; typedef uvlong Tval; #pragma incomplete Ureg #define MAXSYSARG 5 /* for mount(fd, mpt, flag, arg, srv) */ /* * parameters for sysproc.c */ #define AOUT_MAGIC (E_MAGIC) struct Lock { ulong key; u32int sr; uintptr pc; Proc* p; Mach* m; int isilock; }; struct Label { uintptr sp; uintptr pc; }; /* * emulated floating point */ enum{ Nfpctlregs = 16, }; struct FPsave { ulong status; ulong control; ulong regs[Nfpctlregs][3]; int fpstate; }; struct PFPU { int fpstate; FPsave fpsave[1]; }; enum { FPinit, FPactive, FPinactive, FPillegal= 0x100, }; struct Confmem { uintptr base; ulong npage; uintptr limit; uintptr kbase; uintptr klimit; }; struct Conf { ulong nmach; /* processors */ ulong nproc; /* processes */ Confmem mem[1]; /* 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 */ ulong hz; /* processor cycle freq */ ulong mhz; int monitor; /* flag */ }; /* * MMU stuff in Mach. */ struct MMMU { PTE* mmul1; /* l1 for this processor */ int mmul1lo; int mmul1hi; int mmupid; }; /* * MMU stuff in proc */ #define NCOLOR 1 /* 1 level cache, don't worry about VCE's */ struct PMMU { Page* mmul2; Page* mmul2cache; /* free mmu pages */ }; #include "../port/portdat.h" struct Mach { int machno; /* physical id of processor */ uintptr splpc; /* pc of last caller to splhi */ Proc* proc; /* current process */ MMMU; /* end of offsets known to asm */ PMach; uvlong fastclock; /* last sampled value */ int inclockintr; int cputype; ulong delayloop; int cpumhz; uvlong cpuhz; /* speed of cpu */ /* save areas for exceptions, hold R0-R4 */ u32int sfiq[5]; u32int sirq[5]; u32int sund[5]; u32int sabt[5]; u32int smon[5]; /* probably not needed */ u32int ssys[5]; uintptr stack[1]; }; /* * Fake kmap. */ typedef void KMap; #define VA(k) ((uintptr)(k)) #define kmap(p) (KMap*)((p)->pa|kseg0) #define kunmap(k) struct { char machs[MAXMACH]; /* active CPUs */ int exiting; /* shutdown */ }active; extern register Mach* m; /* R10 */ extern register Proc* up; /* R9 */ extern uintptr kseg0; extern Mach* machaddr[MAXMACH]; extern ulong memsize; extern int normalprint; /* * a parsed plan9.ini line */ #define NISAOPT 8 struct ISAConf { char *type; ulong port; int irq; ulong dma; ulong mem; ulong size; ulong freq; int nopt; char *opt[NISAOPT]; }; #define BUSUNKNOWN -1 #define MACHP(n) (machaddr[n]) /* * 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 */ }; enum { Dcache, Icache, Unified, }; /* characteristics of a given cache level */ struct Memcache { uint level; /* 1 is nearest processor, 2 further away */ uint l1ip; /* l1 I policy */ uint nways; /* associativity */ uint nsets; uint linelen; /* bytes per cache line */ uint setsways; uint log2linelen; uint waysh; /* shifts for set/way register */ uint setsh; }; enum Dmamode { Const, Postincr, Index, Index2, };