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kernel: tty: support printing output from printk()

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max 🍓
2023-06-11 14:55:47 +01:00
parent 0245d2254b
commit 3cc72f1f24
3 changed files with 47 additions and 9 deletions
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28
kernel/tty/device.c
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@@ -1,5 +1,6 @@
#include <socks/tty.h>
#include <socks/device.h>
#include <socks/console.h>
#include <socks/libc/stdio.h>
static struct char_device_ops tty_ops = {
@@ -7,6 +8,19 @@ static struct char_device_ops tty_ops = {
.write = tty_write,
};
static struct device *tty_printk_output = NULL;
static void tty_console_write(struct console *con, const char *s, unsigned int len)
{
size_t nr_written;
tty_write(tty_printk_output, s, len, &nr_written, 0);
}
static struct console tty_console = {
.c_name = "tty",
.c_write = tty_console_write,
};
struct device *tty_device_create(void)
{
struct char_device *cdev = char_device_create();
@@ -47,3 +61,17 @@ kern_status_t tty_device_register(struct device *dev, struct tty_driver *owner,
return object_namespace_create_link(global_namespace(), link_path, &dev->dev_base);
}
void tty_set_printk_output(struct device *tty)
{
bool console_init = false;
if (tty_printk_output) {
console_init = true;
}
tty_printk_output = tty;
if (!console_init) {
console_register(&tty_console);
}
}