payloads/libpayload/include/mock/arch/io.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef _ARCH_IO_H
   4 #define _ARCH_IO_H
   5
   6 #include <inttypes.h>
   7
   8 /* Functions in this file are unimplemented by default. Tests are expected to implement
   9    mocks for these functions, if tests will call functions using functions listed below. */
  10
  11 uint8_t readb(volatile const void *_a);
  12 uint16_t readw(volatile const void *_a);
  13 uint32_t readl(volatile const void *_a);
  14
  15 void writeb(uint8_t _v, volatile void *_a);
  16 void writew(uint16_t _v, volatile void *_a);
  17 void writel(uint32_t _v, volatile void *_a);
  18
  19 uint8_t read8(volatile const void *addr);
  20 uint16_t read16(volatile const void *addr);
  21 uint32_t read32(volatile const void *addr);
  22 uint64_t read64(volatile const void *addr);
  23
  24 void write8(volatile void *addr, uint8_t val);
  25 void write16(volatile void *addr, uint16_t val);
  26 void write32(volatile void *addr, uint32_t val);
  27 void write64(volatile void *addr, uint64_t val);
  28
  29 /* x86 I/O functions */
  30 unsigned int inl(int port);
  31 unsigned short inw(int port);
  32 unsigned char inb(int port);
  33
  34 void outl(unsigned int val, int port);
  35 void outw(unsigned short val, int port);
  36 void outb(unsigned char val, int port);
  37
  38 void outsl(int port, const void *addr, unsigned long count);
  39 void outsw(int port, const void *addr, unsigned long count);
  40 void outsb(int port, const void *addr, unsigned long count);
  41
  42 void insl(int port, void *addr, unsigned long count);
  43 void insw(int port, void *addr, unsigned long count);
  44 void insb(int port, void *addr, unsigned long count);
  45
  46 #endif /* _ARCH_IO_H */