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kexts: add generic vga/fb tty driver

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max 🍓
2023-06-10 21:41:46 +01:00
parent d09ad5838e
commit 4cd9ebcb4f
9 changed files with 395 additions and 7 deletions
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8
kexts/drivers/tty/serialcon/extension.yaml Normal file
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@@ -0,0 +1,8 @@
name: serialcon
description: |
Serial port console.
id: net.doorstuck.socks.serialcon
license: BSD-3-Clause
copyright: Copyright © Max Wash 2023
sources:
- main.c

38
kexts/drivers/tty/serialcon/main.c Normal file
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@@ -0,0 +1,38 @@
#include <socks/printk.h>
#include <socks/device.h>
#include <socks/kext.h>
#include <socks/tty.h>
#include <socks/libc/stdio.h>
static struct tty_driver *serialcon_driver = NULL;
static kern_status_t online(struct kext *self)
{
serialcon_driver = tty_driver_create(self, "ttyS");
if (!serialcon_driver) {
return KERN_NO_MEMORY;
}
tty_driver_register(serialcon_driver);
struct device *ttyS0 = tty_device_create();
struct device *ttyS1 = tty_device_create();
struct device *ttyS2 = tty_device_create();
struct device *ttyS3 = tty_device_create();
snprintf(ttyS0->dev_name, sizeof ttyS0->dev_name, "ttyS0");
snprintf(ttyS1->dev_name, sizeof ttyS1->dev_name, "ttyS1");
snprintf(ttyS2->dev_name, sizeof ttyS2->dev_name, "ttyS2");
snprintf(ttyS3->dev_name, sizeof ttyS3->dev_name, "ttyS3");
tty_device_register(ttyS0, serialcon_driver, misc_device());
tty_device_register(ttyS1, serialcon_driver, misc_device());
tty_device_register(ttyS2, serialcon_driver, misc_device());
tty_device_register(ttyS3, serialcon_driver, misc_device());
return KERN_OK;
}
DEFINE_KEXT("net.doorstuck.socks.serialcon",
online, NULL,
KEXT_NO_DEPENDENCIES);