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Differential D23623 Diff 68182 sys/powerpc/powerpc/exec_machdep.c

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sys/powerpc/powerpc/exec_machdep.c

Show First 20 Lines • Show All 1,152 Lines • ▼ Show 20 Lines#ifdef FPU_EMU
if (!(pcb->pcb_flags & PCB_FPREGS)) { if (!(pcb->pcb_flags & PCB_FPREGS)) {
bzero(&pcb->pcb_fpu, sizeof(pcb->pcb_fpu)); bzero(&pcb->pcb_fpu, sizeof(pcb->pcb_fpu));
pcb->pcb_flags |= PCB_FPREGS; pcb->pcb_flags |= PCB_FPREGS;
} else if (pcb->pcb_flags & PCB_FPU) } else if (pcb->pcb_flags & PCB_FPU)
save_fpu(td); save_fpu(td);
sig = fpu_emulate(frame, &pcb->pcb_fpu); sig = fpu_emulate(frame, &pcb->pcb_fpu);
if ((sig == 0 || sig == SIGFPE) && pcb->pcb_flags & PCB_FPU) if ((sig == 0 || sig == SIGFPE) && pcb->pcb_flags & PCB_FPU)
enable_fpu(td); enable_fpu(td);
#else
if (frame->srr1 & EXC_PGM_FPENABLED) {
/* Floating-Point Enabled Exception type Program interrupt */
sig = SIGFPE;
}
jhibbitsUnsubmitted
Done
Inline Actions

Shouldn't this be a save_fpu() instead?

jhibbits: Shouldn't this be a save_fpu() instead?
#endif #endif
if (sig == SIGILL) { if (sig == SIGILL) {
if (pcb->pcb_lastill != frame->srr0) { if (pcb->pcb_lastill != frame->srr0) {
/* Allow a second chance, in case of cache sync issues. */ /* Allow a second chance, in case of cache sync issues. */
sig = 0; sig = 0;
pmap_sync_icache(PCPU_GET(curpmap), frame->srr0, 4); pmap_sync_icache(PCPU_GET(curpmap), frame->srr0, 4);
pcb->pcb_lastill = frame->srr0; pcb->pcb_lastill = frame->srr0;
} }
} }
return (sig); return (sig);
} }