94 lines
1.4 KiB
C
94 lines
1.4 KiB
C
#include <config.h>
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#include <common.h>
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#include <fs.h>
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#include <errno.h>
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#include <debug_ll.h>
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LIST_HEAD(console_list);
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EXPORT_SYMBOL(console_list);
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static struct console_device *console;
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int console_puts(unsigned int ch, const char *str)
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{
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const char *s = str;
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int i = 0;
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while (*s) {
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console_putc(ch, *s);
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if (*s == '\n')
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console_putc(ch, '\r');
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s++;
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i++;
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}
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return i;
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}
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EXPORT_SYMBOL(console_puts);
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void console_putc(unsigned int ch, char c)
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{
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if (!console) {
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putc_ll(c);
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return;
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}
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console->putc(console, c);
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if (c == '\n')
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console->putc(console, '\r');
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}
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EXPORT_SYMBOL(console_putc);
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int tstc(void)
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{
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if (!console)
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return 0;
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return console->tstc(console);
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}
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EXPORT_SYMBOL(tstc);
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int getc(void)
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{
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if (!console)
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return -EINVAL;
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return console->getc(console);
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}
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EXPORT_SYMBOL(getc);
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void console_flush(void)
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{
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if (console && console->flush)
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console->flush(console);
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}
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EXPORT_SYMBOL(console_flush);
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#ifndef ARCH_HAS_CTRLC
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/* test if ctrl-c was pressed */
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int ctrlc (void)
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{
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if (tstc() && getc() == 3)
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return 1;
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return 0;
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}
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EXPORT_SYMBOL(ctrlc);
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#endif /* ARCH_HAS_CTRC */
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int console_register(struct console_device *newcdev)
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{
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if (console)
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return -EBUSY;
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console = newcdev;
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console_list.prev = console_list.next = &newcdev->list;
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newcdev->list.prev = newcdev->list.next = &console_list;
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barebox_banner();
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return 0;
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}
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int console_unregister(struct console_device *cdev)
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{
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return -EBUSY;
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}
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