1993/1218/carrera/devether.c (diff list | history)

1993/1217/sys/src/9/carrera/devether.c:15,22 – 1993/1218/sys/src/9/carrera/devether.c:15,22 (short | long | prev | next)
1993/0903
1993/0904		#define SONICADDR ((Sonic*)Sonicbase)
1993/0903
1993/1217		#define RD(rn) (delay(0), *(ulong*)((ulong)&SONICADDR->rn^4)) #define WR(rn, v) (delay(0), *(ulong*)((ulong)&SONICADDR->rn^4) = (v))
1993/1218		#define RD(rn) (sncdly(), *(ulong*)((ulong)&SONICADDR->rn^4)) #define WR(rn, v) (sncdly(), *(ulong*)((ulong)&SONICADDR->rn^4) = (v))
1993/0906		#define ISquad(s) if((ulong)s & 0x7) panic("sonic: Quad alignment");
1993/0903
1993/0906		typedef struct Pbuf Pbuf;
1993/1217/sys/src/9/carrera/devether.c:74,80 – 1993/1218/sys/src/9/carrera/devether.c:74,80
1993/0903		enum {
1993/1217		Nrb = 8, /* receive buffers */
1993/1218		Nrb = 16, /* receive buffers */
1993/1217		Ntb = 8, /* transmit buffers */
1993/0904		};
1993/0903
1993/1217/sys/src/9/carrera/devether.c:251,256 – 1993/1218/sys/src/9/carrera/devether.c:251,266
1993/0906		void sonicswap(void*, int);
1993/0903		static void
1993/1218		sncdly(void) { int i, j, *pj; pj = &j; for(i = 0; i < 200; i++) *pj++; } static void
1993/0906		wus(ushort *a, ushort v) { a[0] = v;
1993/1217/sys/src/9/carrera/devether.c:530,539 – 1993/1218/sys/src/9/carrera/devether.c:540,547
1993/0904		status &= ~Hbl;
1993/0903		}
1993/0904		if(status & Br){
1993/1217		WR(cr, 0); iprint("sonic: bus retry occurred\n");
1993/1218		print("sonic: bus retry occurred\n");
1993/0904		status &= ~Br;
1993/1217		for(;;);
1993/0904		} if(status & AllIntr)