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Pick a constant high IRQ value for the PS3 IPI, which lets PS3 devices be

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usefully loaded and unloaded as modules.

Submitted by:	geoffrey dot levand at mail dot ru
MFC after:	2 weeks
This commit is contained in:
Nathan Whitehorn 2012-01-15 18:26:43 +00:00
parent 9cbe30e1d5
commit f7952747f6
1 changed files with 8 additions and 6 deletions
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14
sys/powerpc/ps3/ps3pic.c
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@ -62,6 +62,7 @@ struct ps3pic_softc {
volatile uint64_t *mask_thread1;
uint64_t sc_ipi_outlet[2];
uint64_t sc_ipi_virq;
int sc_vector[64];
};
@ -131,22 +132,23 @@ ps3pic_attach(device_t dev)
thread = 32 - fls(mfctrl());
lv1_configure_irq_state_bitmap(ppe, thread,
vtophys(sc->bitmap_thread0));
sc->sc_ipi_virq = 63;
#ifdef SMP
lv1_configure_irq_state_bitmap(ppe, !thread,
vtophys(sc->bitmap_thread1));
/* Map both IPIs to the same VIRQ to avoid changes in intr_machdep */
lv1_construct_event_receive_port(&sc->sc_ipi_outlet[0]);
lv1_connect_irq_plug_ext(ppe, thread, sc->sc_ipi_outlet[0],
lv1_connect_irq_plug_ext(ppe, thread, sc->sc_ipi_virq,
sc->sc_ipi_outlet[0], 0);
lv1_construct_event_receive_port(&sc->sc_ipi_outlet[1]);
lv1_connect_irq_plug_ext(ppe, !thread, sc->sc_ipi_outlet[0],
lv1_connect_irq_plug_ext(ppe, !thread, sc->sc_ipi_virq,
sc->sc_ipi_outlet[1], 0);
#else
sc->sc_ipi_outlet[0] = sc->sc_ipi_outlet[1] = 63;
#endif
powerpc_register_pic(dev, 0, sc->sc_ipi_outlet[0], 1, FALSE);
powerpc_register_pic(dev, 0, sc->sc_ipi_virq, 1, FALSE);
return (0);
}
@ -218,7 +220,7 @@ ps3pic_mask(device_t dev, u_int irq)
sc = device_get_softc(dev);
/* Do not mask IPIs! */
if (irq == sc->sc_ipi_outlet[0])
if (irq == sc->sc_ipi_virq)
return;
atomic_clear_64(&sc->mask_thread0[0], 1UL << (63 - irq));