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Rev 1693 Rev 1906
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#include <_syslist.h>
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#include <_syslist.h>
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#include
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#include
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#include
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#include
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#include
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#include
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#include
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#include
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#include
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/* Some targets provides their own versions of this functions.  Those
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/* Some targets provides their own versions of this functions.  Those
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   targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS.  */
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   targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS.  */
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	takes a pointer to the global data block, which holds
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	takes a pointer to the global data block, which holds
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	<>.
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	<>.
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*/
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*/
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#pragma pack(push, 1)
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typedef struct
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{
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    char sec;
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    char min;
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    char hour;
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    char rsv;
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}detime_t;
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typedef struct
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{
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    char  day;
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    char  month;
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    short year;
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}dedate_t;
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typedef struct
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{
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    unsigned    attr;
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    unsigned    flags;
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    union
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    {
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        detime_t  ctime;
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        unsigned  cr_time;
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    };
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    union
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    {
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        dedate_t  cdate;
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        unsigned  cr_date;
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    };
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    union
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    {
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        detime_t  atime;
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        unsigned  acc_time;
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    };
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    union
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    {
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        dedate_t  adate;
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        unsigned  acc_date;
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    };
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    union
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    {
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        detime_t  mtime;
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        unsigned  mod_time;
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    };
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    union
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    {
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        dedate_t  mdate;
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        unsigned  mod_date;
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    };
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    unsigned    size;
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    unsigned    size_high;
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} fileinfo_t;
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#pragma pack(pop)
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#define _FILEEXT 0x8000 /* lseek with positive offset has been done */
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#define _FILEEXT 0x8000 /* lseek with positive offset has been done */
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#define _COMMIT 0x0001  /* extended flag: commit OS buffers on flush */
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#define _COMMIT 0x0001  /* extended flag: commit OS buffers on flush */
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extern int       _fmode;
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int create_file(const char *path)
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{
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     int retval;
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     __asm__ __volatile__ (
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     "pushl $0 \n\t"
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     "pushl $0 \n\t"
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     "movl %0, 1(%%esp) \n\t"
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     "pushl $0 \n\t"
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     "pushl $0 \n\t"
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     "pushl $0 \n\t"
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     "pushl $0 \n\t"
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     "pushl $2 \n\t"
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     "movl %%esp, %%ebx \n\t"
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     "movl $70, %%eax \n\t"
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     "int $0x40 \n\t"
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     "addl $28, %%esp \n\t"
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     :"=a" (retval)
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     :"r" (path)
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     :"ebx");
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  return retval;
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};
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int set_file_size(const char *path, unsigned size)
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{
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     int retval;
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     __asm__ __volatile__(
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     "pushl $0 \n\t"
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     "pushl $0 \n\t"
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     "movl %%eax, 1(%%esp) \n\t"
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     "pushl $0 \n\t"
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     "pushl $0 \n\t"
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     "pushl $0 \n\t"
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     "pushl %%ebx \n\t"
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     "push $4 \n\t"
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     "movl %%esp, %%ebx \n\t"
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     "movl $70, %%eax \n\t"
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     "int $0x40 \n\t"
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     "addl $28, %%esp \n\t"
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     :"=a" (retval)
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     :"a" (path), "b" (size));
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     return retval;
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170 
};
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171 
 
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int get_fileinfo(const char *path, fileinfo_t *info)
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173 
{
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174 
    int retval;
 - 
 
175 
 
 - 
 
176 
    __asm__ __volatile__ (
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177 
    "pushl $0 \n\t"
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    "pushl $0 \n\t"
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    "movl %1, 1(%%esp) \n\t"
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    "pushl %%ebx \n\t"
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    "pushl $0 \n\t"
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    "pushl $0 \n\t"
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    "pushl $0 \n\t"
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    "pushl $5 \n\t"
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    "movl %%esp, %%ebx \n\t"
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    "movl $70, %%eax \n\t"
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    "int $0x40 \n\t"
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188 
    "addl $28, %%esp \n\t"
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189 
    :"=a" (retval)
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190 
    :"r" (path), "b" (info));
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191 
   return retval;
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192 
};
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193 
 
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194 
 
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195 
int read_file(const char *path, void *buff,
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196 
               size_t offset, size_t count, size_t *reads)
 - 
 
197 
{
 - 
 
198 
    int  retval;
 - 
 
199 
    int  d0;
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200 
    __asm__ __volatile__(
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201 
    "pushl $0 \n\t"
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202 
    "pushl $0 \n\t"
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203 
    "movl %%eax, 1(%%esp) \n\t"
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    "pushl %%ebx \n\t"
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    "pushl %%edx \n\t"
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    "pushl $0 \n\t"
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    "pushl %%ecx \n\t"
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    "pushl $0 \n\t"
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    "movl %%esp, %%ebx \n\t"
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    "mov $70, %%eax \n\t"
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211 
    "int $0x40 \n\t"
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212 
    "testl %%esi, %%esi \n\t"
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213 
    "jz 1f \n\t"
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214 
    "movl %%ebx, (%%esi) \n\t"
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215 
"1:"
 - 
 
216 
    "addl $28, %%esp \n\t"
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217 
    :"=a" (retval)
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218 
    :"a"(path),"b"(buff),"c"(offset),"d"(count),"S"(reads));
 - 
 
219 
    return retval;
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};
 72 
extern int       _fmode;
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 73 
 
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 74 
 
223 
static inline void debug_out(const char val)
 75 
static inline void debug_out(const char val)
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    };
 91 
    };
240 
    *writes = ret;
 92 
    *writes = ret;
241 
    return ret;
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    return ret;
242 
};
 94 
};
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243 
 
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244 
 
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245 
int write_file(const char *path,const void *buff,
 - 
 
246 
               size_t offset, size_t count, size_t *writes)
 - 
 
247 
{
 - 
 
248 
     int retval;
 - 
 
249 
     __asm__ __volatile__(
 - 
 
250 
     "pushl $0 \n\t"
 - 
 
251 
     "pushl $0 \n\t"
 - 
 
252 
     "movl %%eax, 1(%%esp) \n\t"
 - 
 
253 
     "pushl %%ebx \n\t"
 - 
 
254 
     "pushl %%edx \n\t"
 - 
 
255 
     "pushl $0 \n\t"
 - 
 
256 
     "pushl %%ecx \n\t"
 - 
 
257 
     "pushl $3 \n\t"
 - 
 
258 
     "movl %%esp, %%ebx \n\t"
 - 
 
259 
     "mov $70, %%eax \n\t"
 - 
 
260 
     "int $0x40 \n\t"
 - 
 
261 
     "testl %%esi, %%esi \n\t"
 - 
 
262 
     "jz 1f \n\t"
 - 
 
263 
     "movl %%ebx, (%%esi) \n\t"
 - 
 
264 
"1:"
 - 
 
265 
     "addl $28, %%esp \n\t"
 - 
 
266 
     :"=a" (retval)
 - 
 
267 
     :"a"(path),"b"(buff),"c"(offset),"d"(count),"S"(writes));
 - 
 
268 
    return retval;
 - 
 
269 
};
 - 
 
270 
 
 95 
 
271 
static int __openFileHandle(const char *path, int mode, int *err)
 96 
static int __openFileHandle(const char *path, int mode, int *err)
272 
{
 97 
{
273 
    fileinfo_t     info;
 98 
    fileinfo_t     info;