From d94b024b73aeca06de417e0fd3c502495312a8b2 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 7 Dec 2019 13:40:28 +0100
Subject: Added userspace libc and began userspace based shell

---
 src/kernel/syscall/actions/sys_read.c  | 21 +++++++++++++++++++++
 src/kernel/syscall/actions/sys_write.c | 12 +++++++-----
 2 files changed, 28 insertions(+), 5 deletions(-)
 create mode 100644 src/kernel/syscall/actions/sys_read.c

(limited to 'src/kernel/syscall/actions')

diff --git a/src/kernel/syscall/actions/sys_read.c b/src/kernel/syscall/actions/sys_read.c
new file mode 100644
index 0000000..761eec7
--- /dev/null
+++ b/src/kernel/syscall/actions/sys_read.c
@@ -0,0 +1,21 @@
+#include <stdint-gcc.h>
+#include <kernel/lib/stdio.h>
+#include <kernel/lib/string.h>
+#include <kernel/io/io.h>
+#include <kernel/input/input.h>
+#include <kernel/timer/timer.h>
+
+uint32_t sys_read()
+{
+    serial_write("CALL\n");
+
+    keyboard_clear_buffer();
+    while (keyboard_buffer[strlen(keyboard_buffer) - 1] != '\n') {
+        {
+            timer_wait(1); // IDK why?
+        }
+    }
+    serial_write(keyboard_buffer);
+    serial_write("\n");
+    return (uint32_t) keyboard_buffer;
+}
\ No newline at end of file
diff --git a/src/kernel/syscall/actions/sys_write.c b/src/kernel/syscall/actions/sys_write.c
index 882ff19..aef2b2b 100644
--- a/src/kernel/syscall/actions/sys_write.c
+++ b/src/kernel/syscall/actions/sys_write.c
@@ -1,9 +1,11 @@
 #include <stdint-gcc.h>
-#include <mlibc/stdio.h>
+#include <kernel/lib/stdio.h>
+#include <kernel/lib/string.h>
+#include <kernel/io/io.h>
 
-uint32_t sys_write(unsigned int fd, unsigned int buf, unsigned int count)
+uint32_t sys_write(unsigned int buf)
 {
-    for (uint32_t i = 0; i < count; i++)
-        writec(*((char *) buf++));
-    return count;
+    serial_put(((char *) buf)[0]);
+    printf((const char *) buf);
+    return strlen((const char *) buf);
 }
\ No newline at end of file
-- 
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