irq_routing_table can't be copied to 0xf0000
zhu shi song
zhushisongzhu at yahoo.com
Wed Feb 26 02:54:00 CET 2003
yes, irq_tables.c is:
/* This file was generated by getpir.c, do not modify!
(but if you do, please run checkpir on it to verify)
Contains the IRQ Routing Table dumped directly from your memory , wich BIOS sets up
Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
*/
#include <arch/pirq_routing.h>
const struct irq_routing_table intel_irq_routing_table = {
PIRQ_SIGNATURE, /* u32 signature */
PIRQ_VERSION, /* u16 version */
32+16*4, /* there can be total 4 devices on the bus */
0, /* Where the interrupt router lies (bus) */
0x90, /* Where the interrupt router lies (dev) */
0x8c00, /* IRQs devoted exclusively to PCI usage */
0x1078, /* Vendor */
0x2, /* Device */
0, /* Crap (miniport) */
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
0x4d, /* u8 checksum , this hase to set to some value that would give 0 after the sum of all
bytes for this structure (including checksum) */
{
{0,0x78, {{0x3, 0xdeb8}, {0x4, 0xdeb8}, {0x1, 0xdeb8}, {0x2, 0xdeb8}}, 0x2, 0},
{0,0x88, {{0x4, 0xdeb8}, {0x1, 0xdeb8}, {0x2, 0xdeb8}, {0x3, 0xdeb8}}, 0x3, 0},
{0,0x98, {{0x1, 0xdeb8}, {0, 0xdeb8}, {0, 0xdeb8}, {0, 0xdeb8}}, 0, 0},
{0x40,0, {{0, 0}, {0, 0}, {0, 0}, {0, 0}}, 0, 0},
}
};
Andrew Ip <aip at cwlinux.com> wrote:> no any progress. linux can't assign pci irq. what's wrong?
Have you run getpir to get the correct pirq table?
-Andrew
--
Andrew Ip
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