1 #ifndef DPMI_H_

2 #define DPMI_H_

3

4 #ifdef __DJGPP__

5 #include <dpmi.h>

6 #endif

7

8 #include "inttypes.h"

9

10 struct dpmi_real_regs {

11 uint32_t edi, esi, ebp;

12 uint32_t reserved;

13 uint32_t ebx, edx, ecx, eax;

14 uint16_t flags;

15 uint16_t es, ds, fs, gs;

16 uint16_t ip, cs, sp, ss;

17 };

18

19 uint16_t dpmi_alloc(unsigned int par, uint16_t *sel);

20 void dpmi_free(uint16_t sel);

21

22 #ifdef __WATCOMC__

23 #pragma aux dpmi_alloc = \

24 "mov eax, 0x100" \

25 "int 0x31" \

26 "mov [edi], dx" \

27 value[ax] parm[ebx][edi];

28

29 #pragma aux dpmi_free = \

30 "mov eax, 0x101" \

31 "int 0x31" \

32 parm[dx];

33

34 void dpmi_real_int(int inum, struct dpmi_real_regs *regs);

35 #endif /* __WATCOMC__ */

36

37 #ifdef __DJGPP__

38 #define dpmi_real_int(inum, regs) __dpmi_int((inum), (__dpmi_regs*)(regs))

39 #endif

40

41 void *dpmi_mmap(uint32_t phys_addr, unsigned int size);

42 void dpmi_munmap(void *addr);

43

44 #endif /* DPMI_H_ */