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 */ |