wok view linld/stuff/src/CRTL.H @ rev 23806
linld: add isoboot
| author | Pascal Bellard <pascal.bellard@slitaz.org> |
|---|---|
| date | Sun May 24 16:16:52 2020 +0000 (2020-05-24) |
| parents | 53c1379e13fa |
| children | a946c1651082 |
line source
1 // This file is distributed under GPL
2 //
3 // Bare bones of C runtime library
5 #define MK_FP(seg,ofs) ((void _seg *)(seg) + (void near *)(ofs))
6 #define FP_SEG(fp) ((unsigned) (void _seg*) (void far*)(fp))
7 #define FP_OFF(fp) ((unsigned) (fp))
8 #define NULL 0
10 const unsigned MIN_STACK = 0x400;
11 const unsigned MAX_MALLOC = 0xF000;
13 const char O_RDONLY = 0; // for open()
14 const char O_BINARY = 0;
16 extern char text_start; extern char text_end;
17 extern char data_start; extern char data_end;
18 extern char bss_start; extern char bss_end;
19 extern char* heap_top;
20 extern char xfer_buf[4096];
22 void parse_cmdline();
23 extern _fastcall void strcatb(const char* a,const char* b);
24 extern _fastcall void strcpy(const char* a,const char* b);
25 #ifdef USE_ARGSTR
26 extern _fastcall int argstr(const char *s, const char keywords[], const char **var);
27 extern _fastcall int argnum(char *s, const char keywords[], unsigned long *var);
28 extern _fastcall void set_cmdline(const char *filename);
29 #ifndef ISOHOOK
30 #define strhead(a,b) (strstr(a,b) != (int) (a))
31 #else
32 extern _fastcall int strhead(const char* a,const char* head);
33 #endif
34 #else
35 extern _fastcall int strhead(const char* a,const char* head);
36 #endif
37 extern _fastcall int fileexist(const char* name);
38 //extern "C" int open(const char* name, int flags);
39 extern _fastcall int open(const char* name);
40 extern _fastcall int close(int fd);
41 extern _fastcall int moverm(unsigned short *p);
42 extern _fastcall int readrm(struct image_himem *m, int sz);
43 extern _fastcall int read(int fd, void* data, int sz);
44 extern _fastcall long rewind(int fd);
45 extern _fastcall int puts(const char* s);
46 extern _fastcall unsigned long strtol(const char *s);
48 // Extensions
49 #define cli() do { asm { cli } } while(0)
50 #define sti() do { asm { sti } } while(0)
51 #define int3() do { asm { db 0cch } } while(0)
52 #define nop() do { asm { db 90h } } while(0)
53 extern void exit();
54 extern _fastcall int die(const char* msg);
55 //extern "C" char* malloc_or_die(unsigned size);
56 //extern "C" unsigned long* malloc_bufv_or_die(struct image_himem *m);
57 extern _fastcall int malloc_or_die(unsigned size);
58 extern _fastcall int malloc_bufv_or_die(struct image_himem *m);
59 extern char cpu_features[];
60 #define CPUMASKLM (0x20)
61 #define cpuhaslm() (cpu_features[3]&CPUMASKLM)