Changeset 39e1b9a in mainline for kernel/genarch/src/drivers/ns16550/ns16550.c

Timestamp:

2025-04-17T15:37:05Z (5 days ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

master

Children:

250a435

Parents:

690ad20

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2025-04-14 16:54:54)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2025-04-17 15:37:05)

Message:

Convert console output devices to batch printing

File:

• kernel/genarch/src/drivers/ns16550/ns16550.c (modified) (1 diff)

kernel/genarch/src/drivers/ns16550/ns16550.c

@@ -112 +112 @@
 }
 
-static void ns16550_putuchar(outdev_t *dev, char32_t ch)
+static void ns16550_write(outdev_t *dev, const char *s, size_t n)
 {
         ns16550_instance_t *instance = (ns16550_instance_t *) dev->data;
 
-        if ((!instance->parea.mapped) || (console_override)) {
-                if (ch == '\n')
+        if (instance->parea.mapped && !console_override)
+                return;
+
+        const char *top = s + n;
+        assert(top >= s);
+
+        for (; s < top; s++) {
+                if (*s == '\n')
                         ns16550_sendb(instance, '\r');
 
-                if (ascii_check(ch))
-                        ns16550_sendb(instance, (uint8_t) ch);
-                else
-                        ns16550_sendb(instance, U_SPECIAL);
+                ns16550_sendb(instance, (uint8_t) *s);
         }
 }
 
 static outdev_operations_t ns16550_ops = {
-        .write = ns16550_putuchar,
+        .write = ns16550_write,
         .redraw = NULL
 };