Re: [coreboot] Net and virtio problem with QEMU 0.10.0 and coreboot v2

[rukhsana ansari]

Ron,

The following was the irq_tables.c file created when getpir was run with
QEMU using its default Bochs BIOS.

==
#ifdef GETPIR
#include "pirq_routing.h"
#else
#include <arch/pirq_routing.h>
#endif

const struct irq_routing_table intel_irq_routing_table = {
    PIRQ_SIGNATURE,  /* u32 signature */
    PIRQ_VERSION,    /* u16 version   */
    32+16*6,     /* There can be total 6 devices on the bus */
    0x00,         /* Where the interrupt router lies (bus) */
    (0x01<<3)|0x0,   /* Where the interrupt router lies (dev) */
    0,         /* IRQs devoted exclusively to PCI usage */
    0x8086,         /* Vendor */
    0x122e,         /* Device */
    0,         /* Miniport */
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
    0x37,         /* u8 checksum. This has to be set to some
                value that would give 0 after the sum of all
                bytes for this structure (including checksum) */
    {
        /* bus,     dev|fn,   {link, bitmap}, {link, bitmap}, {link,
bitmap}, {link, bitmap},  slot, rfu */
        {0x00,(0x01<<3)|0x0, {{0x60, 0xdef8}, {0x61, 0xdef8}, {0x62,
0xdef8}, {0x63, 0xdef8}}, 0x0, 0x0},
        {0x00,(0x02<<3)|0x0, {{0x61, 0xdef8}, {0x62, 0xdef8}, {0x63,
0xdef8}, {0x60, 0xdef8}}, 0x1, 0x0},
        {0x00,(0x03<<3)|0x0, {{0x62, 0xdef8}, {0x63, 0xdef8}, {0x60,
0xdef8}, {0x61, 0xdef8}}, 0x2, 0x0},
        {0x00,(0x04<<3)|0x0, {{0x63, 0xdef8}, {0x60, 0xdef8}, {0x61,
0xdef8}, {0x62, 0xdef8}}, 0x3, 0x0},
        {0x00,(0x05<<3)|0x0, {{0x60, 0xdef8}, {0x61, 0xdef8}, {0x62,
0xdef8}, {0x63, 0xdef8}}, 0x4, 0x0},
        {0x00,(0x06<<3)|0x0, {{0x61, 0xdef8}, {0x62, 0xdef8}, {0x63,
0xdef8}, {0x60, 0xdef8}}, 0x5, 0x0},
    }
};

unsigned long write_pirq_routing_table(unsigned long addr)
{
    return copy_pirq_routing_table(addr);
}

On Thu, Mar 19, 2009 at 1:39 AM, ron minnich  wrote:
> On Wed, Mar 18, 2009 at 1:06 PM, rukhsana ansari 
> wrote:
> > Not sure if this is the procedure:
> > I copied util/getpir to the fedora9 image, booted qemu with that image
>
> and
> > ran getpir.
> > Got the following error:
> > Probing PIRQ table in memory.
> > No PCI IRQ routing table signature found.
>
> well that does explain the other error.
>
> I'm sorry, my fault; this is under coreboot or under the standard qemu
> bios? I'd like to see it from the standard.
>
> ron