sparc/kernel/traps_32.c

47 #define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t")
53 	int count = 0;  in die_if_kernel()
81 		      !(((unsigned long) rw) & 0x7)) {  in die_if_kernel()
96 	if(type < 0x80) {  in do_hw_interrupt()
106 			(void __user *)regs->pc, type - 0x80);  in do_hw_interrupt()
119 	send_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)pc, 0, current);  in do_illegal_instruction()
127 	send_sig_fault(SIGILL, ILL_PRVOPC, (void __user *)pc, 0, current);  in do_priv_instruction()
141 #if 0  in do_memaccess_unaligned()
147 		       /* FIXME: Should dig out mna address */ (void *)0,  in do_memaccess_unaligned()
148 		       0, current);  in do_memaccess_unaligned()
151 static unsigned long init_fsr = 0x0UL;
153                 { ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL,
154 		  ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL,
155 		  ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL,
156 		  ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL, ~0UL };
173 		fpsave(&fptask->thread.float_regs[0], &fptask->thread.fsr,  in do_fpd_trap()
174 		       &fptask->thread.fpqueue[0], &fptask->thread.fpqdepth);  in do_fpd_trap()
178 		fpload(&current->thread.float_regs[0], &current->thread.fsr);  in do_fpd_trap()
181 		fpload(&init_fregs[0], &init_fsr);  in do_fpd_trap()
186 		fpload(&init_fregs[0], &init_fsr);  in do_fpd_trap()
189 		fpload(&current->thread.float_regs[0], &current->thread.fsr);  in do_fpd_trap()
205 	int ret = 0;
222 		fpsave(&fake_regs[0], &fake_fsr, &fake_queue[0], &fake_depth);
226 	fpsave(&fpt->thread.float_regs[0], &fpt->thread.fsr,
227 	       &fpt->thread.fpqueue[0], &fpt->thread.fpqdepth);
232 	switch ((fpt->thread.fsr & 0x1c000)) {
257 		fpload(&current->thread.float_regs[0], &current->thread.fsr);
282 	if ((fsr & 0x1c000) == (1 << 14)) {
283 		if (fsr & 0x10)
285 		else if (fsr & 0x08)
287 		else if (fsr & 0x04)
289 		else if (fsr & 0x02)
291 		else if (fsr & 0x01)
294 	send_sig_fault(SIGFPE, code, (void __user *)pc, 0, fpt);
299 	if(calls > 0)
300 		calls=0;
308 	send_sig_fault(SIGEMT, EMT_TAGOVF, (void __user *)pc, 0, current);
330 	force_sig_fault(SIGBUS, BUS_OBJERR, (void __user *)pc, 0);
336 	send_sig_fault(SIGILL, ILL_COPROC, (void __user *)pc, 0, current);
346 	send_sig_fault(SIGILL, ILL_COPROC, (void __user *)pc, 0, current);
352 	send_sig_fault(SIGFPE, FPE_INTDIV, (void __user *)pc, 0, current);