applied, thanks!
Damien Zammit, le sam. 30 sept. 2023 06:30:51 +0000, a ecrit:
> ---
> i386/i386at/ioapic.c | 15 ++++++++++++++-
> 1 file changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/i386/i386at/ioapic.c b/i386/i386at/ioapic.c
> index 218f9a51..57d18789 100644
> --- a/i386/i386at/ioapic.c
> +++ b/i386/i386at/ioapic.c
> @@ -33,7 +33,7 @@
> #include <kern/printf.h>
> #include <kern/timer.h>
>
> -static int has_irq_specific_eoi = 1; /* FIXME: Assume all machines have this
> */
> +static int has_irq_specific_eoi = 0;
> int timer_pin;
>
> uint32_t lapic_timer_val = 0;
> @@ -153,6 +153,12 @@ ioapic_toggle_entry(int apic, int pin, int mask)
> ioapic_write(apic, APIC_IO_REDIR_LOW(pin), entry.lo);
> }
>
> +static int
> +ioapic_version(int apic)
> +{
> + return ioapic_read(apic, APIC_IO_VERSION) & 0xff;
> +}
> +
> static void timer_expiry_callback(void *arg)
> {
> volatile int *done = arg;
> @@ -305,6 +311,13 @@ ioapic_configure(void)
> int gsi, apic = 0, bsp = 0, pin;
> IrqOverrideData *irq_over;
> int timer_gsi;
> + int version = ioapic_version(apic);
> +
> + if (version >= 0x20) {
> + has_irq_specific_eoi = 1;
> + }
> +
> + printf("IOAPIC version 0x%x\n", version);
>
> /* Disable IOAPIC interrupts and set spurious interrupt */
> lapic->spurious_vector.r = IOAPIC_SPURIOUS_BASE;
> --
> 2.40.1
>
>
>
--
Samuel
---
Pour une évaluation indépendante, transparente et rigoureuse !
Je soutiens la Commission d'Évaluation de l'Inria.
