umka/umkart.c

104 lines
2.8 KiB
C

/*
SPDX-License-Identifier: GPL-2.0-or-later
UMKa - User-Mode KolibriOS developer tools
Copyright (C) 2021, 2023 Ivan Baravy <dunkaist@gmail.com>
*/
#include <stdatomic.h>
#include <stdio.h>
#include <stdlib.h>
#include "umka.h"
#include "shell.h"
atomic_int umka_irq_number;
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;
};
static 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);
}
static void
copy_display_bpp16_to_rgb888(void *to) {
for (size_t y = 0; y < kos_display.height; y++) {
for (size_t x = 0; x < kos_display.width; x++) {
uint32_t p = ((uint16_t*)kos_lfb_base)[y*kos_display.width+x];
p = ((p & 0xf800u) << 8) + ((p & 0x7e0u) << 5) + ((p & 0x1fu) << 3);
((uint32_t*)to)[y*kos_display.lfb_pitch/2+x] = p;
}
}
}
static void
copy_display_bpp24_to_rgb888(void *to) {
uint8_t *from = kos_lfb_base;
for (size_t y = 0; y < kos_display.height; y++) {
for (size_t x = 0; x < kos_display.width; x++) {
uint32_t p = 0;
p += (uint32_t)from[y*kos_display.width*3+x*3 + 0] << 0;
p += (uint32_t)from[y*kos_display.width*3+x*3 + 1] << 8;
p += (uint32_t)from[y*kos_display.width*3+x*3 + 2] << 16;
((uint32_t*)to)[y*kos_display.width+x] = p;
}
}
}
static void
copy_display_bpp32_to_rgb888(void *to) {
memcpy(to, kos_lfb_base, kos_display.width*kos_display.height*4);
}
void
copy_display_to_rgb888(void *to) {
switch (kos_display.bits_per_pixel) {
case 16:
copy_display_bpp16_to_rgb888(to);
break;
case 24:
copy_display_bpp24_to_rgb888(to);
break;
case 32:
copy_display_bpp32_to_rgb888(to);
break;
default:
fprintf(stderr, "[!] unsupported bit depth: %d\n",
kos_display.bits_per_pixel);
break;
}
}