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  1. #ifndef _KSYS_H_
  2. #define _KSYS_H_
  3.  
  4. #ifdef __cplusplus
  5. extern "C" {
  6. #endif
  7.  
  8. #include <stddef.h>
  9.  
  10. #define asm_inline __asm__ __volatile__
  11. #define not_optimized __attribute__((optimize("O0")))
  12.  
  13. #define KSYS_FS_ERR_SUCCESS 0  // Success
  14. #define KSYS_FS_ERR_1       1  // Base and/or partition of a hard disk is not defined (fn21.7 & fn21.8)
  15. #define KSYS_FS_ERR_2       2  // Function is not supported for the given file system
  16. #define KSYS_FS_ERR_3       3  // Unknown file system
  17. #define KSYS_FS_ERR_4       4  // Reserved, is never returned in the current implementation
  18. #define KSYS_FS_ERR_5       5  // File not found
  19. #define KSYS_FS_ERR_EOF     6  // End of file, EOF
  20. #define KSYS_FS_ERR_7       7  // Pointer lies outside of application memory
  21. #define KSYS_FS_ERR_8       8  // Disk is full
  22. #define KSYS_FS_ERR_9       9  // FAT table is destroyed
  23. #define KSYS_FS_ERR_10      10 // Access denied
  24. #define KSYS_FS_ERR_11      11 // Device error
  25.  
  26. typedef struct {
  27.     unsigned char blue;
  28.     unsigned char green;
  29.     unsigned char red;
  30. }rgb_t;
  31.  
  32. typedef unsigned int ksys_color_t;
  33.  
  34. #pragma pack(push,1)
  35. typedef union{
  36.     unsigned val;
  37.     struct{
  38.         short  x;
  39.         short  y;
  40.     };
  41. }ksys_pos_t;
  42.  
  43. typedef union ksys_oskey_t{
  44.     unsigned val;
  45.     struct{
  46.         unsigned char state;
  47.         unsigned char code;
  48.         unsigned char ctrl_key;
  49.     };
  50. }ksys_oskey_t;
  51.  
  52. typedef struct{
  53.   unsigned     handle;
  54.   unsigned     io_code;
  55.   unsigned     *input;
  56.   int          inp_size;
  57.   void         *output;
  58.   int          out_size;
  59. }ksys_ioctl_t;
  60.  
  61. typedef struct{
  62.     void *data;
  63.     size_t size;
  64. }ksys_ufile_t;
  65.  
  66.  
  67. typedef struct{
  68.     unsigned            p00;
  69.     union{
  70.         uint64_t        p04;
  71.         struct {
  72.             unsigned    p04dw;
  73.             unsigned    p08dw;
  74.         };
  75.     };
  76.     unsigned            p12;
  77.     union {
  78.         unsigned        p16;
  79.         const char     *new_name;
  80.         void           *bdfe;
  81.         void           *buf16;
  82.         const void     *cbuf16;
  83.     };
  84.     char                p20;
  85.     const char         *p21;
  86. }ksys70_t;
  87.  
  88.  
  89. typedef struct {
  90.     unsigned attributes;
  91.     unsigned name_cp;
  92.     char creation_time[4];
  93.     char creation_date[4];
  94.     char last_access_time[4];
  95.     char last_access_date[4];
  96.     char last_modification_time[4];
  97.     char last_modification_date[4];
  98.     unsigned long long size;
  99.     char name[0];
  100. }ksys_bdfe_t;
  101.  
  102. typedef struct {
  103.   int cpu_usage;             //+0
  104.   int window_pos_info;       //+4
  105.   short int reserved1;       //+8
  106.   char name[12];             //+10
  107.   int memstart;              //+22
  108.   int memused;               //+26
  109.   int pid;                   //+30
  110.   int winx_start;            //+34
  111.   int winy_start;            //+38
  112.   int winx_size;             //+42
  113.   int winy_size;             //+46
  114.   short int slot_info;       //+50
  115.   short int reserved2;       //+52
  116.   int clientx;               //+54
  117.   int clienty;               //+58
  118.   int clientwidth;           //+62
  119.   int clientheight;          //+66
  120.   unsigned char window_state;//+70
  121.   char reserved3[1024-71];   //+71
  122. }ksys_proc_table_t;
  123.  
  124. typedef struct{
  125.     ksys_color_t frame_area;
  126.     ksys_color_t grab_bar;
  127.     ksys_color_t grab_bar_button;
  128.     ksys_color_t grab_button_text;
  129.     ksys_color_t grab_text;
  130.     ksys_color_t work_area;
  131.     ksys_color_t work_button;
  132.     ksys_color_t work_button_text;
  133.     ksys_color_t work_text;
  134.     ksys_color_t work_graph;
  135. }ksys_colors_table_t;
  136.  
  137. typedef struct{
  138.     unsigned pid;      // PID of sending thread
  139.     unsigned datalen;  // data bytes
  140.     char     *data;    // data begin
  141. }ksys_ipc_msg;
  142.  
  143. typedef struct{
  144.     unsigned lock;              // nonzero is locked
  145.     unsigned used;              // used bytes in buffer
  146.     ksys_ipc_msg *data;         // data begin
  147. }ksys_ipc_buffer;
  148.  
  149. typedef struct {
  150.     char* func_name;
  151.     void* func_ptr;
  152. }ksys_coff_etable_t;
  153.  
  154. #pragma pack(pop)
  155.  
  156. enum KSYS_EVENTS {
  157.     KSYS_EVENT_NONE = 0,     /* Event queue is empty */
  158.     KSYS_EVENT_REDRAW = 1,   /* Window and window elements should be redrawn */
  159.     KSYS_EVENT_KEY = 2,      /* A key on the keyboard was pressed */
  160.     KSYS_EVENT_BUTTON = 3,   /* A button was clicked with the mouse */
  161.     KSYS_EVENT_DESKTOP = 5,  /* Desktop redraw finished */
  162.     KSYS_EVENT_MOUSE = 6,    /* Mouse activity (movement, button press) was detected */
  163.     KSYS_EVENT_IPC = 7,      /* Interprocess communication notify */
  164.     KSYS_EVENT_NETWORK = 8,  /* Network event */
  165.     KSYS_EVENT_DEBUG = 9,    /* Debug subsystem event */
  166.     KSYS_EVENT_IRQBEGIN = 16 /* 16..31 IRQ0..IRQ15 interrupt =IRQBEGIN+IRQn */
  167. };
  168.  
  169. enum KSYS_FILE_ENCODING{
  170.     KSYS_FILE_CP866 =1,
  171.     KSYS_FILE_UTF16LE = 2,
  172.     KSYS_FILE_UTF8 = 3
  173. };
  174.  
  175. enum KSYS_CLIP_ENCODING{
  176.     KSYS_CLIP_UTF8 = 0,
  177.     KSYS_CLIP_CP866 = 1,
  178.     KSYS_CLIP_CP1251 = 2
  179. };
  180.  
  181. enum KSYS_CLIP_TYPES{
  182.     KSYS_CLIP_TEXT = 0,
  183.     KSYS_CLIP_IMAGE = 1,
  184.     KSYS_CLIP_RAW = 2
  185. };
  186.  
  187. enum KSYS_MOUSE_POS{
  188.     KSYS_MOUSE_SCREEN_POS = 0,
  189.     KSYS_MOUSE_WINDOW_POS = 1
  190. };
  191.  
  192. enum KSYS_SHM_MODE{
  193.     KSYS_SHM_OPEN = 0x00,
  194.     KSYS_SHM_OPEN_ALWAYS = 0x04,
  195.     KSYS_SHM_CREATE = 0x08,
  196.     KSYS_SHM_READ = 0x00,
  197.     KSYS_SHM_WRITE = 0x01,
  198. };
  199.  
  200. static inline
  201. int _ksys_strcmp(const char * s1, const char * s2 )
  202. {
  203.     while ((*s1) && (*s1 == *s2)){ ++s1; ++s2; }
  204.     return(*(unsigned char*)s1 - *(unsigned char *)s2);
  205. }
  206.  
  207. // Functions for working with the graphical interface
  208.  
  209. static inline
  210. void _ksys_start_draw()
  211. {
  212.    asm_inline("int $0x40"::"a"(12),"b"(1));
  213. }
  214.  
  215. static inline
  216. void _ksys_end_draw()
  217. {
  218.     asm_inline("int $0x40" ::"a"(12),"b"(2));
  219. }
  220.  
  221. static inline
  222. void _ksys_create_window(int x, int y, int w, int h, const char *name, ksys_color_t workcolor, unsigned style)
  223. {
  224.     asm_inline(
  225.         "int $0x40"
  226.         ::"a"(0),
  227.         "b"((x << 16) | ((w-1) & 0xFFFF)),
  228.         "c"((y << 16) | ((h-1) & 0xFFFF)),
  229.         "d"((style << 24) | (workcolor & 0xFFFFFF)),
  230.         "D"(name),
  231.         "S"(0) : "memory"
  232.      );
  233. };
  234.  
  235. static inline
  236. void _ksys_change_window(int new_x, int new_y, int new_w, int new_h)
  237. {
  238.     asm_inline(
  239.         "int $0x40"
  240.         ::"a"(67), "b"(new_x), "c"(new_y), "d"(new_w),"S"(new_h)
  241.     );
  242. }
  243.  
  244. static inline
  245. void _ksys_define_button(unsigned x, unsigned y, unsigned w, unsigned h, unsigned id, ksys_color_t color)
  246. {
  247.    asm_inline(
  248.         "int $0x40"
  249.         ::"a"(8),
  250.         "b"((x<<16)+w),
  251.         "c"((y<<16)+h),
  252.         "d"(id),
  253.         "S"(color)
  254.     );
  255. };
  256.  
  257. static inline
  258. void _ksys_draw_line(int xs, int ys, int xe, int ye, ksys_color_t color)
  259. {
  260.     asm_inline(
  261.         "int $0x40"
  262.         ::"a"(38), "d"(color),
  263.         "b"((xs << 16) | xe),
  264.         "c"((ys << 16) | ye)
  265.     );
  266. }
  267.  
  268. static inline
  269. void _ksys_draw_bar(int x, int y, int w, int h, ksys_color_t color)
  270. {
  271.     asm_inline(
  272.         "int $0x40"
  273.         ::"a"(13), "d"(color),
  274.         "b"((x << 16) | w),
  275.         "c"((y << 16) | h)
  276.     );
  277. }
  278.  
  279. static inline
  280. void _ksys_draw_bitmap(void *bitmap, int x, int y, int w, int h)
  281. {
  282.     asm_inline(
  283.         "int $0x40"
  284.         ::"a"(7), "b"(bitmap),
  285.         "c"((w << 16) | h),
  286.         "d"((x << 16) | y)
  287.     );
  288. }
  289.  
  290. static inline
  291. void _ksys_draw_text(const char *text, int x, int y, int len, ksys_color_t color)
  292. {
  293.    asm_inline(
  294.         "int $0x40"
  295.         ::"a"(4),"d"(text),
  296.         "b"((x << 16) | y),
  297.         "S"(len),"c"(color)
  298.         :"memory"
  299.     );
  300. }
  301.  
  302. static inline
  303. void _ksys_draw_text_bg(const char *text, int x, int y, int len, ksys_color_t color, ksys_color_t bg)
  304. {
  305.     asm_inline(
  306.         "int $0x40"
  307.         ::"a"(4),"d"(text),
  308.         "b"((x << 16) | y),
  309.         "S"(len),"c"(color), "D"(bg)
  310.         :"memory"
  311.     );
  312. }
  313.  
  314. static inline
  315. void _ksys_draw_number(int number, int x, int y, int len, ksys_color_t color){
  316.     unsigned fmt;
  317.     fmt = len << 16 | 0x80000000; // no leading zeros + width
  318.     asm_inline(
  319.         "int $0x40"
  320.         ::"a"(47), "b"(fmt), "c"(number), "d"((x << 16) | y), "S"(color)
  321.     );
  322. }
  323.  
  324. static inline
  325. void _ksys_draw_number_bg(unsigned number, int x, int y, int len, ksys_color_t color, ksys_color_t bg){
  326.     unsigned fmt;
  327.     fmt = len << 16 | 0x80000000; // no leading zeros + width
  328.     asm_inline(
  329.         "int $0x40"
  330.         ::"a"(47), "b"(fmt), "c"(number), "d"((x << 16) | y), "S"(color), "D"(bg)
  331.     );
  332. }
  333.  
  334. static inline
  335. unsigned _ksys_get_skin_height()
  336. {
  337.     unsigned height;
  338.     asm_inline(
  339.         "int $0x40 \n\t"
  340.         :"=a"(height)
  341.         :"a"(48),"b"(4)
  342.     );
  343.     return height;
  344. }
  345.  
  346. static inline
  347. void _ksys_get_colors(ksys_colors_table_t *color_table)
  348. {
  349.     asm_inline(
  350.        "int $0x40"
  351.         ::"a"(48),"b"(3),"c"(color_table),"d"(40)
  352.     );
  353. }
  354.  
  355. /* Functions for working with a screen. */
  356.  
  357. static inline
  358. ksys_pos_t not_optimized _ksys_screen_size()
  359. {
  360.         ksys_pos_t size;
  361.     ksys_pos_t size_tmp;
  362.     asm_inline(
  363.         "int $0x40"
  364.         :"=a"(size_tmp)
  365.         :"a"(14)
  366.     );
  367.     size.x = size_tmp.y;
  368.     size.y = size_tmp.x;
  369.     return size;
  370. }
  371.  
  372.  
  373. /* Functions for working with a mouse and cursors. */
  374.  
  375. static inline
  376. ksys_pos_t _ksys_get_mouse_pos(int origin)
  377. {
  378.     ksys_pos_t val;
  379.     asm_inline(
  380.         "int $0x40 \n\t"
  381.         "rol $16, %%eax"
  382.         :"=a"(val)
  383.         :"a"(37),"b"(origin)
  384.         :"memory"
  385.     );
  386.     return val;
  387. }
  388.  
  389. static inline
  390. unsigned _ksys_get_mouse_buttons()
  391. {
  392.     unsigned val;
  393.     asm_inline(
  394.         "int $0x40"
  395.         :"=a"(val)
  396.         :"a"(37),"b"(2)
  397.     );
  398.     return val;
  399. }
  400.  
  401. static inline
  402. unsigned _ksys_get_mouse_wheels()
  403. {
  404.     unsigned val;
  405.     asm_inline(
  406.         "int $0x40 \n\t"
  407.         :"=a"(val)
  408.         :"a"(37),"b"(7)
  409.     );
  410.     return val;
  411. }
  412.  
  413. static inline
  414. unsigned _ksys_load_cursor(void *path, unsigned flags)
  415. {
  416.     unsigned val;
  417.     asm_inline(
  418.         "int $0x40"
  419.         :"=a"(val)
  420.         :"a"(37), "b"(4), "c"(path), "d"(flags)
  421.     );
  422.     return val;
  423. }
  424.  
  425. static inline
  426. unsigned _ksys_set_cursor(unsigned  cursor)
  427. {
  428.     unsigned old;
  429.     asm_inline(
  430.         "int $0x40"
  431.         :"=a"(old)
  432.         :"a"(37), "b"(5), "c"(cursor)
  433.     );
  434.     return old;
  435. }
  436.  
  437. static inline
  438. int _ksys_destroy_cursor(unsigned cursor)
  439. {
  440.     int ret;
  441.     asm_inline(
  442.         "int $0x40"
  443.         :"=a"(ret)
  444.         :"a"(37), "b"(6), "c"(cursor)
  445.         :"memory"
  446.     );
  447.     return ret;
  448. }
  449.  
  450. static inline
  451. unsigned _ksys_get_mouse_eventstate()
  452. {
  453.     unsigned val;
  454.     asm_inline(
  455.         "int $0x40"
  456.         :"=a"(val)
  457.         :"a"(37),"b"(3)
  458.     );
  459.     return val;
  460. }
  461.  
  462.  
  463. /* Functions for working with events and buttons. */
  464.  
  465. static inline
  466. unsigned _ksys_set_event_mask(unsigned mask)
  467. {
  468.     unsigned val;
  469.     asm_inline(
  470.         "int $0x40"
  471.         :"=a"(val)
  472.         :"a"(40), "b"(mask)
  473.     );
  474.     return val;
  475. }
  476.  
  477. static inline
  478. unsigned _ksys_wait_event(unsigned time)
  479. {
  480.     unsigned val;
  481.     asm_inline(
  482.         "int $0x40"
  483.         :"=a"(val)
  484.         :"a"(23), "b"(time)
  485.     );
  486.     return val;
  487. }
  488.  
  489. static inline
  490. unsigned _ksys_check_event()
  491. {
  492.     unsigned val;
  493.     asm_inline(
  494.         "int $0x40"
  495.         :"=a"(val)
  496.         :"a"(11)
  497.     );
  498.     return val;
  499. }
  500.  
  501. static inline
  502. unsigned _ksys_get_event()
  503. {
  504.     unsigned val;
  505.     asm_inline(
  506.         "int $0x40"
  507.         :"=a"(val)
  508.         :"a"(10)
  509.     );
  510.     return val;
  511. }
  512.  
  513. static inline
  514. unsigned _ksys_get_button()
  515. {
  516.     unsigned val;
  517.     asm_inline(
  518.         "int $0x40"
  519.         :"=a"(val)
  520.         :"a"(17)
  521.     );
  522.     return val>>8;
  523. }
  524.  
  525. static inline
  526. ksys_oskey_t _ksys_get_key(void)
  527. {
  528.     ksys_oskey_t val;
  529.     asm_inline(
  530.         "int $0x40"
  531.         :"=a"(val)
  532.         :"a"(2)
  533.     );
  534.     return val;
  535. }
  536.  
  537. /* Functions for working with the clipboard */
  538.  
  539. static inline
  540. int _ksys_clip_num()
  541. {
  542.     unsigned val;
  543.     asm_inline(
  544.         "int $0x40"
  545.         :"=a"(val)
  546.         :"a"(54), "b"(0)
  547.     );
  548.     return val;
  549. }
  550.  
  551. static inline
  552. char* _ksys_clip_get(int n) // returned buffer must be freed by _ksys_free()
  553. {
  554.     char* val;
  555.     asm_inline(
  556.         "int $0x40"
  557.         :"=a"(val)
  558.         :"a"(54), "b"(1), "c"(n)
  559.     );
  560.     return val;
  561. }
  562.  
  563. static inline
  564. int _ksys_clip_set(int n, char *buffer)
  565. {
  566.     unsigned val;
  567.     asm_inline(
  568.         "int $0x40"
  569.         :"=a"(val)
  570.         :"a"(54), "b"(2), "c"(n), "d"(buffer)
  571.     );
  572.     return val;
  573. }
  574.  
  575. static inline
  576. int _ksys_clip_pop()
  577. {
  578.     unsigned val;
  579.     asm_inline (
  580.         "int $0x40"
  581.         :"=a"(val)
  582.         :"a"(54), "b"(3)
  583.     );
  584.     return val;
  585. }
  586.  
  587. static inline
  588. int _ksys_clip_unlock()
  589. {
  590.     unsigned val;
  591.     asm_inline(
  592.         "int $0x40"
  593.         :"=a"(val)
  594.         :"a"(54), "b"(4)
  595.     );
  596.     return val;
  597. }
  598.  
  599.  
  600. /* Working with time */
  601.  
  602. static inline
  603. unsigned _ksys_get_tick_count()
  604. {
  605.     unsigned val;
  606.     asm_inline(
  607.         "int $0x40"
  608.         :"=a"(val)
  609.         :"a"(26),"b"(9)
  610.     );
  611.     return val;
  612. }
  613.  
  614. static inline
  615. uint64_t  _ksys_get_ns_count()
  616. {
  617.     uint64_t val;
  618.     asm_inline(
  619.         "int $0x40"
  620.         :"=A"(val)
  621.         :"a"(26), "b"(10)
  622.     );
  623.     return val;
  624. }
  625.  
  626. static inline
  627. void _ksys_delay(unsigned time)
  628. {
  629.     asm_inline(
  630.         "int $0x40"
  631.         ::"a"(5), "b"(time)
  632.         :"memory"
  633.     );
  634. }
  635.  
  636. static inline
  637. unsigned _ksys_get_date()
  638. {
  639.     unsigned val;
  640.     asm_inline("int $0x40":"=a"(val):"a"(29));
  641.     return val;
  642. }
  643.  
  644. static inline
  645. unsigned _ksys_get_clock()
  646. {
  647.     unsigned val;
  648.     asm_inline("int $0x40":"=a"(val):"a"(3));
  649.     return val;
  650. }
  651.  
  652.  
  653. /* Working with memory allocation */
  654.  
  655. static inline
  656. void* _ksys_alloc(size_t size){
  657.     void  *val;
  658.     asm_inline(
  659.         "int $0x40"
  660.         :"=a"(val)
  661.         :"a"(68),"b"(12),"c"(size)
  662.     );
  663.     return val;
  664. }
  665.  
  666. static inline
  667. int _ksys_free(void *mem)
  668. {
  669.     int val;
  670.     asm_inline(
  671.         "int $0x40"
  672.         :"=a"(val)
  673.         :"a"(68),"b"(13),"c"(mem)
  674.     );
  675.     return val;
  676. }
  677.  
  678. static inline
  679. void* _ksys_realloc(void *mem, size_t size)
  680. {
  681.     void *val;
  682.     asm_inline(
  683.         "int $0x40"
  684.         :"=a"(val)
  685.         :"a"(68),"b"(20),"c"(size),"d"(mem)
  686.         :"memory"
  687.     );
  688.     return val;
  689. }
  690.  
  691. static inline
  692. int* _ksys_unmap(void *base, size_t offset, size_t size)
  693. {
  694.     int  *val;
  695.     asm_inline(
  696.         "int $0x40"
  697.         :"=a"(val)
  698.         :"a"(68),"b"(26),"c"(base),"d"(offset),"S"(size)
  699.     );
  700.     return val;
  701. }
  702.  
  703.  
  704. /* Loading the dynamic coff library */
  705.  
  706. static inline
  707. ksys_coff_etable_t* not_optimized _ksys_cofflib_load(const char* path)
  708. {
  709.     ksys_coff_etable_t *table;
  710.     asm_inline(
  711.         "int $0x40"
  712.         :"=a"(table)
  713.         :"a"(68),"b"(19), "c"(path)
  714.     );
  715.     return table;
  716. }
  717.  
  718. static inline
  719. void* not_optimized _ksys_cofflib_getproc(ksys_coff_etable_t *table, const char* fun_name)
  720. {
  721.     unsigned i=0;
  722.     while (1){
  723.         if (NULL == (table+i)->func_name){
  724.             break;
  725.         }else{
  726.             if (!_ksys_strcmp(fun_name, (table+i)->func_name)){
  727.                 return (table+i)->func_ptr;
  728.             }
  729.         }
  730.         i++;
  731.     }
  732.     return NULL;
  733. }
  734.  
  735.  
  736. /* Debug board functions */
  737.  
  738. static inline
  739. void _ksys_debug_putc(char c)
  740. {
  741.     asm_inline("int $0x40"::"a"(63), "b"(1), "c"(c));
  742. }
  743.  
  744. static inline
  745. void _ksys_debug_puts(char *s)
  746. {
  747.     unsigned i=0;
  748.     while (*(s+i)){
  749.         asm_inline ("int $0x40"::"a"(63), "b"(1), "c"(*(s+i)));
  750.         i++;
  751.     }
  752. }
  753.  
  754.  
  755. /* Working with threads and process */
  756.  
  757. static inline
  758. int _ksys_start_thread(void* proc, char* stack_top)
  759. {
  760.     int val;
  761.     asm_inline(
  762.         "int $0x40"
  763.         :"=a"(val)
  764.         :"a"(51), "b"(1), "c"(proc), "d"(stack_top)
  765.     );
  766.     return val;
  767. }
  768.  
  769. static inline
  770. void _ksys_focus_window(int slot){
  771.     asm_inline(
  772.         "int $0x40"
  773.         ::"a"(18), "b"(3), "c"(slot)
  774.     );
  775. }
  776.  
  777. static inline
  778. int _ksys_get_thread_slot(int tid){
  779.     int val;
  780.     asm_inline(
  781.         "int $0x40"
  782.         :"=a"(val)
  783.         :"a"(18), "b"(21), "c"(tid)
  784.     );
  785.     return val;
  786. }
  787.  
  788. static inline
  789. int _ksys_process_info(ksys_proc_table_t* table, int pid)
  790. {
  791.     int val;
  792.     asm_inline(
  793.         "int $0x40"
  794.         :"=a"(val)
  795.         :"a"(9), "b"(table), "c"(pid)
  796.         :"memory"
  797.     );
  798.     return val;
  799. }
  800.  
  801. static inline
  802. void _ksys_exit()
  803. {
  804.     asm_inline("int $0x40"::"a"(-1));
  805. }
  806.  
  807.  
  808. /* Working with files and directories */
  809.  
  810. static inline
  811. void _ksys_setcwd(char* dir){
  812.     asm_inline(
  813.         "int $0x40"
  814.         ::"a"(30), "b"(1), "c"(dir)
  815.     );
  816. }
  817.  
  818. static inline
  819. int _ksys_getcwd(char* buf, int bufsize){
  820.     register int val;
  821.     asm_inline(
  822.         "int $0x40"
  823.         :"=a"(val):"a"(30), "b"(2), "c"(buf), "d"(bufsize)
  824.     );
  825.     return val;
  826. }
  827.  
  828. static inline
  829. ksys_ufile_t _ksys_load_file(const char *path)
  830. {
  831.     ksys_ufile_t uf;
  832.     asm_inline(
  833.         "int $0x40"
  834.         :"=a"(uf.data), "=d"(uf.size)
  835.         :"a"(68), "b"(27),"c"(path)
  836.     );
  837.     return uf;
  838. }
  839.  
  840. static inline
  841. ksys_ufile_t _ksys_load_file_enc(const char *path, unsigned file_encoding)
  842. {
  843.     ksys_ufile_t uf;
  844.     asm_inline(
  845.         "int $0x40"
  846.         :"=a"(uf.data), "=d"(uf.size)
  847.         :"a"(68), "b"(28),"c"(path), "d"(file_encoding)
  848.     );
  849.     return uf;
  850. }
  851.  
  852. static inline
  853. int not_optimized _ksys_work_files(const ksys70_t *k)
  854. {
  855.     int status;
  856.     asm_inline(
  857.         "int $0x40"
  858.         :"=a"(status)
  859.         :"a"(70), "b"(k)
  860.     );
  861.     return status;
  862. }
  863.  
  864. static inline
  865. int not_optimized _ksys_file_read_file(const char *name, unsigned long long offset, unsigned size, void *buf, unsigned *bytes_read)
  866. {
  867.     ksys70_t k;
  868.     k.p00 = 0;
  869.     k.p04 = offset;
  870.     k.p12 = size;
  871.     k.buf16 = buf;
  872.     k.p20 = 0;
  873.     k.p21 = name;
  874.     int status;
  875.     unsigned bytes_read_v;
  876.     asm_inline(
  877.         "int $0x40"
  878.         :"=a"(status), "=b"(bytes_read_v)
  879.         :"a"(70), "b"(&k)
  880.     );
  881.     if (!status) {
  882.         *bytes_read = bytes_read_v;
  883.     }
  884.     return status;
  885. }
  886.  
  887. static inline
  888. int not_optimized _ksys_file_write_file(const char *name, unsigned long long offset, unsigned size, const void *buf, unsigned *bytes_written)
  889. {
  890.     ksys70_t k;
  891.     k.p00 = 3;
  892.     k.p04 = offset;
  893.     k.p12 = size;
  894.     k.cbuf16 = buf;
  895.     k.p20 = 0;
  896.     k.p21 = name;
  897.     int status;
  898.     unsigned bytes_written_v;
  899.     asm_inline(
  900.         "int $0x40"
  901.         :"=a"(status), "=b"(bytes_written_v)
  902.         :"a"(70), "b"(&k)
  903.     );
  904.     if (!status) {
  905.         *bytes_written = bytes_written_v;
  906.     }
  907.     return status;
  908. }
  909.  
  910. static inline
  911. int not_optimized _ksys_file_get_info(const char *name, ksys_bdfe_t *bdfe)
  912. {
  913.     ksys70_t k;
  914.     k.p00 = 5;
  915.     k.bdfe = bdfe;
  916.     k.p20 = 0;
  917.     k.p21 = name;
  918.     return _ksys_work_files(&k);
  919. }
  920.  
  921. static inline
  922. int not_optimized _ksys_file_delete(const char *name)
  923. {
  924.     ksys70_t k;
  925.     k.p00 = 8;
  926.     k.p20 = 0;
  927.     k.p21 = name;
  928.     return _ksys_work_files(&k);
  929. }
  930.  
  931. static inline
  932. int not_optimized _ksys_file_rename(const char *name, const char *new_name)
  933. {
  934.     ksys70_t k;
  935.     k.p00 = 10;
  936.     k.new_name = new_name;
  937.     k.p20 = 0;
  938.     k.p21 = name;
  939.     return _ksys_work_files(&k);
  940. }
  941.  
  942.  
  943. static inline
  944. int not_optimized _ksys_exec(char *app_name, char *args)
  945. {
  946.     ksys70_t file_opt;
  947.     file_opt.p00 = 7;
  948.     file_opt.p04dw = 0;
  949.     file_opt.p08dw = (unsigned)args;
  950.     file_opt.p21 = app_name;
  951.     return _ksys_work_files(&file_opt);
  952. }
  953.  
  954. static inline
  955. int not_optimized _ksys_mkdir(const char *path)
  956. {
  957.     ksys70_t dir_opt;
  958.     dir_opt.p00 = 9;
  959.     dir_opt.p21 = path;
  960.     return _ksys_work_files(&dir_opt);
  961. }
  962.  
  963. /* Working with a named shared memory area. */
  964.  
  965. static inline
  966. int _ksys_shm_open(char *name, int mode, int size, char **new_shm)
  967. {
  968.     int error;
  969.     asm_inline(
  970.         "int $0x40"
  971.         :"=a"(*new_shm), "=d"(error)
  972.         :"a"(68), "b"(22), "c"(name), "d"(size), "S"(mode)
  973.     );
  974.     return error;
  975. }
  976.  
  977.  
  978. static inline
  979. void _ksys_shm_close(char *shm_name)
  980. {
  981.     asm_inline(
  982.         "int $0x40":
  983.         :"a"(68), "b"(23), "c"(shm_name)
  984.     );
  985. }
  986.  
  987. #ifdef __cplusplus
  988. }
  989. #endif
  990.  
  991. #endif // _KSYS_H_
  992.