Rev 5204 | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
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| - | 1 | /* |
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| - | 2 | * Copyright (C) KolibriOS team 2004-2024. All rights reserved. |
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| - | 3 | * Distributed under terms of the GNU General Public License |
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| - | 4 | */ |
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| Line 1... | Line 5... | ||
| 1 | #include |
5 | |
| 2 | #include |
6 | #include |
| Line 3... | Line 7... | ||
| 3 | 7 | #include |
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| 4 | int read_file(const char *path, void *buff, |
8 | |
| 5 | size_t offset, size_t count, size_t *reads) |
9 | int read_file(const char *path, void *buff, |
| 6 | { |
- | |
| 7 | int retval; |
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| 8 | int d0; |
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| 9 | __asm__ __volatile__( |
- | |
| 10 | "pushl $0 \n\t" |
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| 11 | "pushl $0 \n\t" |
- | |
| 12 | "movl %%eax, 1(%%esp) \n\t" |
- | |
| 13 | "pushl %%ebx \n\t" |
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| 14 | "pushl %%edx \n\t" |
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| 15 | "pushl $0 \n\t" |
- | |
| 16 | "pushl %%ecx \n\t" |
- | |
| 17 | "pushl $0 \n\t" |
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| 18 | "movl %%esp, %%ebx \n\t" |
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| 19 | "mov $70, %%eax \n\t" |
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| 20 | "int $0x40 \n\t" |
10 | size_t offset, size_t count, size_t *reads) |
| 21 | "testl %%esi, %%esi \n\t" |
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| 22 | "jz 1f \n\t" |
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| 23 | "movl %%ebx, (%%esi) \n\t" |
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| 24 | "1:" |
11 | { |
| 25 | "addl $28, %%esp \n\t" |
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| 26 | :"=a" (retval) |
- | |
| 27 | :"a"(path),"b"(buff),"c"(offset),"d"(count),"S"(reads)); |
12 | ksys_file_status_t st = _ksys_file_read(path, offset, count, buff); |
| 28 | return retval == 6 ? 0 : retval; |
13 | *reads = st.rw_bytes; |
| 29 | }; |
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