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  1.  
  2.  
  3. #include <arch/types.h>
  4. #include <types.h>
  5.  
  6. #ifndef __libc__FB_H__
  7. #define __libc__FB_H__
  8.  
  9. #define FB_GET_VFB 1024
  10. #define FB_PUTCHAR 1025
  11.  
  12. #define METHOD_WIDTH 16
  13. #define ITEM_WIDTH 16
  14. #define COUNT_WIDTH 16 /* Should be 8 times integer */
  15.  
  16.  
  17. struct _fb_method {
  18.     unsigned m : METHOD_WIDTH;
  19.     unsigned item : ITEM_WIDTH;
  20. } __attribute__((packed));
  21.  
  22. union fb_method {
  23.     struct _fb_method m;
  24.     __native fill;
  25. } __attribute__((packed));
  26.  
  27. struct fb_call_args {
  28.     union fb_method method;
  29.     union {
  30.         struct {
  31.             unsigned count : COUNT_WIDTH;
  32.             char chars[3 * sizeof(__native) - (COUNT_WIDTH >> 3)];
  33.         } putchar __attribute__((packed));
  34.     } data ; // __attribute__((packed));   
  35. } __attribute__((packed));
  36.  
  37. struct fb_ipc_args {
  38.     __native method;
  39.     __native arg1;
  40.     __native arg2;
  41.     __native arg3;
  42. } __attribute__((packed));
  43.  
  44. union fb_args {
  45.     struct fb_call_args fb_args;
  46.     struct fb_ipc_args ipc_args;
  47. } __attribute__((packed));
  48.  
  49. typedef union fb_args fb_args_t;
  50.  
  51. #endif
  52.