Create simple console.

3 files changed, 34 insertions, 2 deletions

diff --git a/src/kernel/console.C b/src/kernel/console.C
new file mode 100644
index 000000000..a2ad0ffe2
--- /dev/null
+++ b/src/kernel/console.C
@@ -0,0 +1,28 @@
+#include <util/singleton.H>
+#include <kernel/console.H>
+
+static char kernel_printk_buffer[Console::BUFFER_SIZE];
+
+Console::Console() : iv_pos(0), iv_buffer(kernel_printk_buffer)
+{
+    memset(iv_buffer, '\0', Console::BUFFER_SIZE);
+}
+
+int Console::putc(int c)
+{
+    if (BUFFER_SIZE > iv_pos)
+    {
+	iv_buffer[iv_pos] = c;
+	iv_pos++;
+    }
+}
+
+void printk(const char* str)
+{
+    Console& console = Singleton<Console>::instance();
+    while('\0' != *str)
+    {
+	console.putc(*str);
+	str++;
+    }
+}
diff --git a/src/kernel/kernel.C b/src/kernel/kernel.C
index 2ea0d2fbc..fede83f02 100644
--- a/src/kernel/kernel.C
+++ b/src/kernel/kernel.C
@@ -1,5 +1,9 @@
+#include <stdint.h>
+#include <kernel/console.H>
+
 int main()
 {
+    printk("Welcome to the kernel!\n");
     while(1);
 
     return 0;
diff --git a/src/kernel/makefile b/src/kernel/makefile
index 74a6bffbc..1047de456 100644
--- a/src/kernel/makefile
+++ b/src/kernel/makefile
@@ -1,8 +1,8 @@
 OBJDIR = ../../obj
 include ../../config.mk
 
-OBJECTS += ${OBJDIR}/start.o 
-OBJECTS += ${OBJDIR}/kernel.o
+OBJS = start.o kernel.o console.o
+OBJECTS = $(addprefix ${OBJDIR}/, ${OBJS})
 
 all: ${OBJECTS}