1993/1115/pc/trap.c (diff list | history)

1993/1114/sys/src/9/pc/trap.c:136,144 – 1993/1115/sys/src/9/pc/trap.c:136,144 (short | long | prev | next)
1993/1114		sethvec(11, intr11, SEGIG, 0); sethvec(12, intr12, SEGIG, 0); sethvec(13, intr13, SEGIG, 0);
1992/0806		sethvec(14, intr14, SEGIG, 0); /* page fault, interrupts off */
1993/1115		sethvec(14, intr14, SEGIG, 0); /* page fault */
1993/1114		sethvec(15, intr15, SEGIG, 0);
1992/0806		sethvec(16, intr16, SEGIG, 0); /* math coprocessor, interrupts off */
1993/1115		sethvec(16, intr16, SEGIG, 0); /* math coprocessor */
1991/0731		/*
1991/0904		* device interrupts
1993/1114/sys/src/9/pc/trap.c:223,229 – 1993/1115/sys/src/9/pc/trap.c:223,231
1993/0915
1991/0614		/*
1991/0703		* All traps
1993/1115		* All trapscome here. It is slower to have all traps call trap() rather than * directly vectoring the handler. However, this avoids a lot of code duplication * and possible bugs.
1991/0614		*/
1991/0710		void
1991/0703		trap(Ureg *ur)
1993/1114/sys/src/9/pc/trap.c:239,251 – 1993/1115/sys/src/9/pc/trap.c:241,246
1991/1112		if(user)
1993/0915		up->dbgreg = ur;
1991/1112
1993/1113		ur->cs &= 0xffff; ur->ds &= 0xffff; ur->es &= 0xffff; ur->fs &= 0xffff; ur->gs &= 0xffff; if(user) ur->ss &= 0xffff;
1991/0709		/* * tell the 8259 that we're done with the
1991/0801		* highest level interrupt (interrupts are still
1993/1114/sys/src/9/pc/trap.c:313,325 – 1993/1115/sys/src/9/pc/trap.c:308,326
1991/0718		void
1993/0915		dumpregs2(Ureg *ur)
1991/0718		{
1993/1115		ur->cs &= 0xffff; ur->ds &= 0xffff; ur->es &= 0xffff; ur->fs &= 0xffff; ur->gs &= 0xffff;
1993/0915		if(up) print("registers for %s %d\n", up->text, up->pid);
1991/0718		else print("registers for kernel\n");
1993/0915		print("FLAGS=%lux TRAP=%lux ECODE=%lux CS=%lux PC=%lux", ur->flags, ur->trap,
1993/1115		print("FLAGS=%lux TRAP=%lux ECODE=%lux CS=%4.4lux PC=%lux", ur->flags, ur->trap,
1993/1113		ur->ecode, ur->cs, ur->pc); print(" SS=%lux USP=%lux\n", ur->ss, ur->usp);
1993/1115		print(" SS=%4.4lux USP=%lux\n", ur->ss&0xffff, ur->usp);
1991/0718		print(" AX %8.8lux BX %8.8lux CX %8.8lux DX %8.8lux\n", ur->ax, ur->bx, ur->cx, ur->dx);
1991/1214		print(" SI %8.8lux DI %8.8lux BP %8.8lux\n",
1993/1114/sys/src/9/pc/trap.c:326,332 – 1993/1115/sys/src/9/pc/trap.c:327,332
1991/1214		ur->si, ur->di, ur->bp);
1993/1113		print(" DS %4.4lux ES %4.4lux FS %4.4lux GS %4.4lux\n", ur->ds, ur->es, ur->fs, ur->gs);
1993/0915
1991/0718		}
1991/0720		void