started implementing our first fool-shell.

1 files changed, 30 insertions, 2 deletions

diff --git a/kernel/syscalls.c b/kernel/syscalls.c
index bf875fd..470939c 100644
--- a/kernel/syscalls.c
+++ b/kernel/syscalls.c
@@ -1,11 +1,39 @@
 #define FOOLOS_MODULE_NAME "syscalls"
 #include "lib/logger/log.h"
+#include "lib/bool/bool.h"
 
 //
-void syscall_outbyte(char c)
+int syscall_write(int file, char *buf, int len)
 {
-    PutConsoleChar(c,0b1111111111000000);
+    for(int i=0;i<len;i++)
+	PutConsoleChar(buf[i],0b1111111111000000);
+
+    return len;
+}
+
+int syscall_read(int file, char *buf, int len)
+{
+
+    char c;
+
+    while(1)
+    {
+	asm("cli");
+	bool ret=ringbuffer_get(&c);
+	asm("sti");
+	
+	if(ret)
+	{
+	    *buf=c;
+	    return 1;
+	}
+
+//	if(ret)	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"read kb buffer: %d",c);
+    }
+
+
 }
+//
 
 int example_syscall(int x,int y)
 {