feat: capability list to enable greater flexibility of devices

[lunaix-os.git] / lunaix-os / kernel / tty / lxconsole.c

diff --git a/lunaix-os/kernel/tty/lxconsole.c b/lunaix-os/kernel/tty/lxconsole.c
index 67961b52def89799344dcf4b689e1307d4a7f65b..2540077437f6befe919880b4ee5126984a073271 100644 (file)
--- a/lunaix-os/kernel/tty/lxconsole.c
+++ b/lunaix-os/kernel/tty/lxconsole.c
@@ -23,6 +23,8 @@
 #include <lunaix/tty/console.h>
 #include <lunaix/tty/tty.h>
 
+#include <hal/term.h>
+
 static struct console lx_console;
 
 int
@@ -38,24 +40,16 @@ void
 console_flush();
 
 static waitq_t lx_reader;
-static volatile char ttychr;
 
 static volatile pid_t fg_pgid = 0;
 
-static inline void
-print_control_code(const char cntrl)
-{
-    console_write_char('^');
-    console_write_char(cntrl + 64);
-}
-
 int
 __lxconsole_listener(struct input_device* dev)
 {
     u32_t key = dev->current_pkt.sys_code;
     u32_t type = dev->current_pkt.pkt_type;
     kbd_kstate_t state = key >> 16;
-    ttychr = key & 0xff;
+    u8_t ttychr = key & 0xff;
     key = key & 0xffff;
 
     if (type == PKT_RELEASE) {
@@ -68,18 +62,6 @@ __lxconsole_listener(struct input_device* dev)
             goto done;
         }
         ttychr = cntrl - 'a' + 1;
-        switch (ttychr) {
-            case TCINTR:
-                signal_send(-fg_pgid, _SIGINT);
-                print_control_code(ttychr);
-                break;
-            case TCSTOP:
-                signal_send(-fg_pgid, _SIGSTOP);
-                print_control_code(ttychr);
-                break;
-            default:
-                break;
-        }
     } else if (key == KEY_PG_UP) {
         console_view_up();
         goto done;
@@ -92,6 +74,7 @@ __lxconsole_listener(struct input_device* dev)
         goto done;
     }
 
+    fifo_putone(&lx_console.input, ttychr);
     pwake_all(&lx_reader);
 
 done:
@@ -146,20 +129,6 @@ __tty_read_pg(struct device* dev, void* buf, size_t offset)
     return __tty_read(dev, buf, offset, PG_SIZE);
 }
 
-void
-lxconsole_spawn_ttydev()
-{
-    struct device* tty_dev = device_addseq(NULL, &lx_console, "tty");
-    tty_dev->write = __tty_write;
-    tty_dev->write_page = __tty_write_pg;
-    tty_dev->read = __tty_read;
-    tty_dev->read_page = __tty_read_pg;
-    tty_dev->exec_cmd = __tty_exec_cmd;
-
-    waitq_init(&lx_reader);
-    input_add_listener(__lxconsole_listener);
-}
-
 int
 __tty_write(struct device* dev, void* buf, size_t offset, size_t len)
 {
@@ -175,40 +144,11 @@ __tty_read(struct device* dev, void* buf, size_t offset, size_t len)
     struct console* console = (struct console*)dev->underlay;
 
     size_t count = fifo_read(&console->input, buf, len);
-    if (count > 0 && ((char*)buf)[count - 1] == '\n') {
+    if (count > 0) {
         return count;
     }
 
-    while (count < len) {
-        pwait(&lx_reader);
-
-        if (ttychr < 0x1B) {
-            // ASCII control codes
-            switch (ttychr) {
-                case TCINTR:
-                    fifo_clear(&console->input);
-                    return 0;
-                case TCBS:
-                    if (fifo_backone(&console->input)) {
-                        console_write_char(ttychr);
-                    }
-                    continue;
-                case TCLF:
-                case TCCR:
-                    goto proceed;
-                default:
-                    break;
-            }
-            print_control_code(ttychr);
-            continue;
-        }
-
-    proceed:
-        console_write_char(ttychr);
-        if (!fifo_putone(&console->input, ttychr) || ttychr == '\n') {
-            break;
-        }
-    }
+    pwait(&lx_reader);
 
     return count + fifo_read(&console->input, buf + count, len - count);
 }
@@ -352,4 +292,32 @@ console_start_flushing()
     struct lx_timer* timer =
       timer_run_ms(20, console_flush, NULL, TIMER_MODE_PERIODIC);
     lx_console.flush_timer = timer;
-}
\ No newline at end of file
+}
+
+static int
+lxconsole_spawn_ttydev(struct device_def* devdef)
+{
+    struct device* tty_dev = device_allocseq(NULL, &lx_console);
+    tty_dev->ops.write = __tty_write;
+    tty_dev->ops.write_page = __tty_write_pg;
+    tty_dev->ops.read = __tty_read;
+    tty_dev->ops.read_page = __tty_read_pg;
+    tty_dev->ops.exec_cmd = __tty_exec_cmd;
+
+    waitq_init(&lx_reader);
+    input_add_listener(__lxconsole_listener);
+
+    register_device(tty_dev, &devdef->class, "vcon");
+
+    term_create(tty_dev, "FB");
+
+    return 0;
+}
+
+static struct device_def lxconsole_def = {
+    .name = "Lunaix Virtual Console",
+    .class = DEVCLASS(DEVIF_NON, DEVFN_TTY, DEV_BUILTIN),
+    .init = lxconsole_spawn_ttydev
+};
+// FIXME
+EXPORT_DEVICE(lxconsole, &lxconsole_def, load_onboot);
\ No newline at end of file