umka/util.c

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2022-06-27 19:36:56 +02:00
/*
SPDX-License-Identifier: GPL-2.0-or-later
UMKa - User-Mode KolibriOS developer tools
Copyright (C) 2021 Ivan Baravy <dunkaist@gmail.com>
*/
#include <stdio.h>
#include "umka.h"
struct devices_dat_entry {
uint8_t fun:3;
uint8_t dev:5;
uint8_t bus;
uint16_t pad1;
uint16_t vendor_id;
uint16_t device_id;
uint32_t irq;
uint32_t pad2;
};
STDCALL void*
dump_devices_dat_iter(struct pci_dev *node, void *arg) {
FILE *f = arg;
if (node->gsi) {
fwrite(&(struct devices_dat_entry){.dev = node->dev,
.fun = node->fun,
.bus = node->parent->bus,
.vendor_id = node->vendor_id,
.device_id = node->device_id,
.irq = node->gsi},
1, sizeof(struct devices_dat_entry), f);
}
return NULL;
}
void dump_devices_dat(const char *filename) {
FILE *f = fopen(filename, "w");
if (!f) {
perror("Can't open file devices.dat");
return;
}
kos_pci_walk_tree(kos_pci_root, NULL, dump_devices_dat_iter, f);
// dump_devices_dat_iter(kos_pci_root, f);
fwrite(&(uint32_t){0xffffffffu}, 1, 4, f);
fclose(f);
}