Rev 2071 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 2071 | Rev 3844 | ||
|---|---|---|---|
| Line 53... | Line 53... | ||
| 53 | { |
53 | { |
| 54 | chardev_initialize("xen_out", &xen_console, &xen_ops); |
54 | chardev_initialize("xen_out", &xen_console, &xen_ops); |
| 55 | stdout = &xen_console; |
55 | stdout = &xen_console; |
| 56 | } |
56 | } |
| 57 | 57 | ||
| 58 | void xen_putchar(chardev_t *d, const char ch) |
58 | void xen_putchar(chardev_t *d, const char ch, bool silent) |
| 59 | { |
59 | { |
| - | 60 | if (!silent) { |
|
| 60 | if (start_info.console.domU.evtchn != 0) { |
61 | if (start_info.console.domU.evtchn != 0) { |
| 61 | uint32_t cons = console_page.out_cons; |
62 | uint32_t cons = console_page.out_cons; |
| 62 | uint32_t prod = console_page.out_prod; |
63 | uint32_t prod = console_page.out_prod; |
| 63 | 64 | ||
| 64 | memory_barrier(); |
65 | memory_barrier(); |
| 65 | 66 | ||
| 66 | if ((prod - cons) > sizeof(console_page.out)) |
67 | if ((prod - cons) > sizeof(console_page.out)) |
| 67 | return; |
68 | return; |
| 68 | 69 | ||
| 69 | if (ch == '\n') |
70 | if (ch == '\n') |
| 70 | console_page.out[MASK_INDEX(prod++, console_page.out)] = '\r'; |
71 | console_page.out[MASK_INDEX(prod++, console_page.out)] = '\r'; |
| 71 | console_page.out[MASK_INDEX(prod++, console_page.out)] = ch; |
72 | console_page.out[MASK_INDEX(prod++, console_page.out)] = ch; |
| 72 | 73 | ||
| 73 | write_barrier(); |
74 | write_barrier(); |
| 74 | 75 | ||
| 75 | console_page.out_prod = prod; |
76 | console_page.out_prod = prod; |
| 76 | 77 | ||
| 77 | xen_notify_remote(start_info.console.domU.evtchn); |
78 | xen_notify_remote(start_info.console.domU.evtchn); |
| 78 | } else |
79 | } else |
| 79 | xen_console_io(CONSOLE_IO_WRITE, 1, &ch); |
80 | xen_console_io(CONSOLE_IO_WRITE, 1, &ch); |
| - | 81 | } |
|
| 80 | } |
82 | } |
| 81 | 83 | ||
| 82 | /** @} |
84 | /** @} |
| 83 | */ |
85 | */ |