ref: b0377e84cf31c48afed765c433abe7eebb4135a5
dir: /sys/src/9/cycv/mem.h/
/* * Memory and machine-specific definitions. Used in C and assembler. */ #define MIN(a, b) ((a) < (b)? (a): (b)) #define MAX(a, b) ((a) > (b)? (a): (b)) /* * Sizes */ #define BI2BY 8 /* bits per byte */ #define BI2WD 32 /* bits per word */ #define BY2WD 4 /* bytes per word */ #define BY2V 8 /* bytes per double word */ #define BY2PG 4096 /* bytes per page */ #define WD2PG (BY2PG/BY2WD) /* words per page */ #define PGSHIFT 12 /* log(BY2PG) */ #define ROUND(s, sz) (((s)+((sz)-1))&~((sz)-1)) #define PGROUND(s) ROUND(s, BY2PG) #define LINSIZ 32 #define BLOCKALIGN LINSIZ #define FPalign 16 #define MAXMACH 2 #define KSTACK 4096 #define HZ (1000) #define MS2HZ (1000/HZ) #define TK2SEC(t) ((t)/HZ) #define KZERO 0xF0000000 #define KTZERO (KZERO+0x100000) #define TMAPSZ SECSZ #define TMAP (KZERO - TMAPSZ) #define KMAPSZ SECSZ #define KMAP (TMAP - KMAPSZ) #define NKMAP (KMAPSZ / BY2PG - 1) #define MACHSIZE 8192 #define MACH(n) (KZERO+(n)*MACHSIZE) #define MACHP(n) ((Mach *)MACH(n)) #define MACHL1(n) (ROUND(MACH(MAXMACH), L1SZ) + (n)*L1SZ) #define TMAPL2(n) (MACHL1(MAXMACH) + (n) * L2SZ) #define TMAPL2SZ (MAXMACH * L2SZ) #define CONFSIZE 65536 #define CONFADDR (KTZERO-CONFSIZE) #define PERIPH 0xFF000000 #define UZERO 0 #define UTZERO BY2PG #define UTROUND(t) ROUNDUP(t, BY2PG) #define USTKTOP 0xE0000000 #define USTKSIZE (16*1024*1024) #define PTEMAPMEM (1024*1024) #define PTEPERTAB (PTEMAPMEM/BY2PG) #define SEGMAPSIZE 1984 #define SSEGMAPSIZE 16 #define PTEVALID L2VALID #define PTERONLY L2RONLY #define PTEWRITE L2WRITE #define PTENOEXEC L2NOEXEC #define PTECACHED L2CACHED #define PTEUNCACHED L2DEVICE #define PPN(x) ((x)&~(BY2PG-1)) #define PsrDirq (1<<7) #define PsrDfiq (1<<6) #define PsrMask 0x1f #define PsrMusr 0x10 #define PsrMfiq 0x11 #define PsrMirq 0x12 #define PsrMsvc 0x13 #define PsrMabt 0x17 #define PsrMiabt 0x16 /* not an actual mode; for ureg->type */ #define PsrMund 0x1b #define DMB WORD $0xf57ff05f #define DSB WORD $0xf57ff04f #define ISB WORD $0xf57ff06f #define WFE WORD $0xe320f002 #define SEV WORD $0xe320f004 #define CPS(m) WORD $(0xf1000000|(m)) #define CPSMODE (1<<17) #define CPSIE (3<<6|2<<18) #define CPSID (3<<6|3<<18) #define Rmach 10 #define Rup 9 #define VMSR(c, r1, r2) WORD $(0x0ee00a10|(c)<<28|(r2)<<16|(r1)<<12) #define VMRS(c, r1, r2) WORD $(0x0ef00a10|(c)<<28|(r2)<<12|(r1)<<16) #define FPSID 0x0 #define FPSCR 0x1 #define MVFR1 0x6 #define MVFR0 0x7 #define FPEXC 0x8 #define L1PT 1 #define L1SEC (2|1<<10) #define L1DEVICE 0 #define L1CACHED (1<<16|1<<14|1<<12|1<<2) #define L1NOEXEC (1<<4) #define L1KERRW 0 #define L1SZ (4096*4) #define L2SZ (256*4) #define SECSZ 1048576 #define SECSH 20 #define NL2 256 #define L1X(va) (((ulong)(va)) >> 20) #define L1RX(va) (((ulong)(va)) >> 20 & ~3) #define L2X(va) (((ulong)(va)) >> 12 & 0xff) #define L2RX(va) (((ulong)(va)) >> 12 & 0x3ff) #define L2VALID (2|1<<4) #define L2CACHED (1<<10|1<<8|1<<6|1<<2) #define L2DEVICE 0 #define L2NOEXEC (1<<0) #define L2KERRW L2KERNEL #define L2KERNEL 0 #define L2USER (1<<5) #define L2RONLY (1<<9) #define L2WRITE 0 #define L2LOCAL (1<<11) #define TTBATTR (1<<6|1<<3|1<<1)