mirror of
https://codeberg.org/canoeboot/cbmk.git
synced 2024-12-22 07:49:55 +00:00
17 lines
547 B
C
17 lines
547 B
C
/* SPDX-License-Identifier: MIT */
|
|
/* SPDX-FileCopyrightText: 2023 Nicholas Chin */
|
|
|
|
#include <stdint.h>
|
|
|
|
#define PCI_CFG_ADDR 0xcf8
|
|
#define PCI_CFG_DATA 0xcfc
|
|
#define PCI_DEV(bus, dev, func) (1u << 31 | bus << 16 | dev << 11 | func << 8)
|
|
|
|
uint32_t pci_read_32(uint32_t dev, uint8_t reg);
|
|
void pci_write_32(uint32_t dev, uint8_t reg, uint32_t value);
|
|
|
|
int sys_iopl(int level);
|
|
void sys_outb(unsigned int port, uint8_t data);
|
|
void sys_outl(unsigned int port, uint32_t data);
|
|
uint8_t sys_inb(unsigned int port);
|
|
uint32_t sys_inl(unsigned int port);
|