1992/0704/ss/faultsparc.c (diff list | history)

1992/0321/sys/src/9/ss/faultsparc.c:6,11 – 1992/0704/sys/src/9/ss/faultsparc.c:6,18 (short | long | prev | next)
1990/1223		#include "ureg.h"
1992/0111		#include "../port/error.h"
1990/1223
1992/0704		enum { SE_WRITE = 0x8000, SE_INV = 0x0080, SE_PROT = 0x0040, };
1990/1223		void
1990/1226		faultsparc(Ureg *ur)
1990/1223		{
1992/0321/sys/src/9/ss/faultsparc.c:12,18 – 1992/0704/sys/src/9/ss/faultsparc.c:19,25
1990/1223		ulong addr, badvaddr;
1991/0717		char buf[ERRLEN];
1991/01151		int user, read;
1990/1226		ulong tbr;
1992/0704		ulong tbr, ser;
1990/1223
1990/1227		tbr = (ur->tbr&0xFFF)>>4;
1990/1226		addr = ur->pc; /* assume instr. exception */
1992/0321/sys/src/9/ss/faultsparc.c:22,28 – 1992/0704/sys/src/9/ss/faultsparc.c:29,36
1990/1231		* According to the book, this isn't good enough. We'll see. */
1990/1226		addr = getw2(SEVAR);
1990/1231		if(getw2(SER) & 0x8000)
1992/0704		ser = getw2(SER); if(ser&(SE_WRITE|SE_PROT))
1990/1231		read = 0;
1990/1226		} spllo();