Rev 1386 | Rev 1474 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 1386 | Rev 1448 | ||
|---|---|---|---|
| Line 45... | Line 45... | ||
| 45 | #include <ddi/ddi.h> |
45 | #include <ddi/ddi.h> |
| 46 | #include <security/cap.h> |
46 | #include <security/cap.h> |
| 47 | #include <syscall/copy.h> |
47 | #include <syscall/copy.h> |
| 48 | #include <sysinfo/sysinfo.h> |
48 | #include <sysinfo/sysinfo.h> |
| 49 | 49 | ||
| - | 50 | /** Print using kernel facility |
|
| - | 51 | * |
|
| - | 52 | * Some simulators can print only through kernel. Userspace can use |
|
| - | 53 | * this syscall to facilitate it. |
|
| - | 54 | */ |
|
| 50 | static __native sys_io(int fd, const void * buf, size_t count) |
55 | static __native sys_io(int fd, const void * buf, size_t count) |
| 51 | { |
56 | { |
| 52 | // return count; /*Syscall deprecated*/ |
- | |
| 53 | // TODO: buf sanity checks and a lot of other stuff ... |
- | |
| 54 | - | ||
| 55 | size_t i; |
57 | size_t i; |
| - | 58 | char *data; |
|
| - | 59 | int rc; |
|
| - | 60 | ||
| - | 61 | if (count > PAGE_SIZE) |
|
| - | 62 | return ELIMIT; |
|
| - | 63 | ||
| - | 64 | data = malloc(count, 0); |
|
| - | 65 | if (!data) |
|
| - | 66 | return ENOMEM; |
|
| 56 | 67 | ||
| - | 68 | rc = copy_from_uspace(data, buf, count); |
|
| - | 69 | if (rc) { |
|
| - | 70 | free(data); |
|
| - | 71 | return rc; |
|
| - | 72 | } |
|
| - | 73 | ||
| 57 | for (i = 0; i < count; i++) |
74 | for (i = 0; i < count; i++) |
| 58 | putchar(((char *) buf)[i]); |
75 | putchar(data[i]); |
| - | 76 | free(data); |
|
| 59 | 77 | ||
| 60 | return count; |
78 | return count; |
| 61 | } |
79 | } |
| 62 | 80 | ||
| 63 | /** Dispatch system call */ |
81 | /** Dispatch system call */ |