Renamed device prefix from 'io_' to 'dev_'

1 files changed, 0 insertions, 244 deletions

diff --git a/kernel/features/io.c b/kernel/features/io.c
deleted file mode 100644
index 8126ccf..0000000
--- a/kernel/features/io.c
+++ /dev/null
@@ -1,244 +0,0 @@
-// MIT License, Copyright (c) 2021 Marvin Borner
-
-#include <assert.h>
-#include <bus.h>
-#include <def.h>
-#include <drivers/bga.h>
-#include <drivers/cpu.h>
-#include <drivers/int.h>
-#include <drivers/ps2.h>
-#include <drivers/timer.h>
-#include <drivers/vbe.h>
-#include <drivers/vmware.h>
-#include <fb.h>
-#include <io.h>
-#include <list.h>
-#include <logger.h>
-#include <mem.h>
-#include <mm.h>
-#include <multiboot.h>
-#include <proc.h>
-#include <rand.h>
-#include <str.h>
-#include <syscall.h>
-
-struct io_listener {
-	u32 group;
-	struct proc *proc;
-};
-
-PROTECTED static struct io_dev *io_mappings[IO_MAX] = { 0 };
-PROTECTED static struct list *io_listeners[IO_MAX] = { 0 };
-
-static u32 group_id = 0;
-
-static u8 io_type_valid(enum io_type io)
-{
-	return io > IO_MIN && io < IO_MAX;
-}
-
-static struct io_dev *io_get(enum io_type io)
-{
-	if (!io_type_valid(io))
-		return NULL;
-
-	return io_mappings[io];
-}
-
-// TODO: Efficiency
-static void io_remove_group(u32 group)
-{
-	for (u32 io = IO_MIN; io < IO_MAX; io++) {
-		struct node *iterator = io_listeners[io]->head;
-		while (iterator) {
-			struct io_listener *listener = iterator->data;
-			struct node *next = iterator->next;
-			if (listener->group == group)
-				list_remove(io_listeners[io], iterator);
-			iterator = next;
-		}
-	}
-
-	if (group + 1 == group_id)
-		group_id--;
-}
-
-CLEAR void io_add(enum io_type io, struct io_dev *dev)
-{
-	assert(io_type_valid(io) && !io_mappings[io]);
-	io_mappings[io] = dev;
-}
-
-res io_poll(u32 *devs)
-{
-	if (!memory_readable(devs))
-		return -EFAULT;
-
-	u32 group = group_id++;
-
-	for (u32 *p = devs; p && memory_readable(p); p++) {
-		stac();
-		enum io_type io = *p;
-		clac();
-
-		if (!io)
-			break;
-
-		struct io_dev *dev = io_get(io);
-		if (!dev || !dev->read) {
-			io_remove_group(group);
-			return -ENOENT;
-		}
-
-		if (dev->ready) {
-			res ready = dev->ready();
-			if (ready == EOK) {
-				io_remove_group(group);
-				return io;
-			} else if (ready != -EAGAIN) {
-				return ready;
-			}
-		}
-
-		struct io_listener *listener = zalloc(sizeof(*listener));
-		listener->group = group;
-		listener->proc = proc_current();
-		list_add(io_listeners[io], listener);
-	}
-
-	proc_state(proc_current(), PROC_BLOCKED);
-	proc_yield();
-	return io_poll(devs);
-}
-
-res io_control(enum io_type io, u32 request, void *arg1, void *arg2, void *arg3)
-{
-	struct io_dev *dev;
-	if (!(dev = io_get(io)) || !dev->control)
-		return -ENOENT;
-
-	return dev->control(request, arg1, arg2, arg3);
-}
-
-res io_write(enum io_type io, const void *buf, u32 offset, u32 count)
-{
-	if (!memory_readable_range(memory_range(buf, count)))
-		return -EFAULT;
-
-	struct io_dev *dev;
-	if (!(dev = io_get(io)) || !dev->write)
-		return -ENOENT;
-
-	return dev->write(buf, offset, count);
-}
-
-res io_read(enum io_type io, void *buf, u32 offset, u32 count)
-{
-	if (!memory_writable_range(memory_range(buf, count)))
-		return -EFAULT;
-
-	struct io_dev *dev;
-	if (!(dev = io_get(io)) || !dev->read)
-		return -ENOENT;
-
-	if (dev->ready && dev->ready() != EOK)
-		return -EAGAIN;
-
-	return dev->read(buf, offset, count);
-}
-
-res io_ready(enum io_type io)
-{
-	struct io_dev *dev;
-	if (!(dev = io_get(io)))
-		return -ENOENT;
-
-	if (dev->ready && dev->ready() != EOK)
-		return -EAGAIN;
-
-	return EOK;
-}
-
-void io_block(enum io_type io, struct proc *proc)
-{
-	assert(io_type_valid(io));
-	struct io_listener *listener = zalloc(sizeof(*listener));
-	listener->group = group_id++;
-	listener->proc = proc;
-	list_add(io_listeners[io], listener);
-	proc_state(proc_current(), PROC_BLOCKED);
-	proc_yield();
-}
-
-void io_unblock(enum io_type io)
-{
-	assert(io_type_valid(io));
-	struct node *iterator = io_listeners[io]->head;
-	while (iterator) {
-		struct io_listener *listener = iterator->data;
-		struct proc *proc = listener->proc;
-		proc_state(proc, PROC_RUNNING);
-		struct node *next = iterator->next;
-		io_remove_group(listener->group);
-		free(listener);
-		iterator = next;
-	}
-
-	if (proc_idle())
-		proc_yield();
-}
-
-void io_unblock_pid(u32 pid)
-{
-	for (u32 io = IO_MIN; io < IO_MAX; io++) {
-		struct node *iterator = io_listeners[io]->head;
-		while (iterator) {
-			struct io_listener *listener = iterator->data;
-			struct proc *proc = listener->proc;
-			proc_state(proc, PROC_RUNNING);
-			struct node *next = iterator->next;
-			if (proc->pid == pid) {
-				list_remove(io_listeners[io], iterator);
-				free(listener);
-			}
-			iterator = next;
-		}
-	}
-
-	if (proc_idle())
-		proc_yield();
-}
-
-CLEAR void io_install(void)
-{
-	for (u32 i = 0; i < IO_MAX; i++)
-		io_listeners[i] = list_new();
-
-	/**
-	 * Keyboard & mouse detection
-	 */
-
-	ps2_detect();
-
-	u8 ps2_keyboard = ps2_keyboard_detect();
-	if (ps2_keyboard != U8_MAX) {
-		ps2_keyboard_install(ps2_keyboard);
-	}
-
-	u8 ps2_mouse = ps2_mouse_detect();
-	if (ps2_mouse != U8_MAX) {
-		if (vmware_detect() && vmware_mouse_detect())
-			vmware_mouse_install(ps2_mouse);
-		else
-			ps2_mouse_install(ps2_mouse);
-	}
-
-	/**
-	 * Other devices
-	 */
-
-	fb_install();
-	timer_install();
-	logger_install();
-	bus_install();
-}