Semi-working C-based userspace syscalls

3 files changed, 6 insertions, 0 deletions

diff --git a/src/kernel/syscall/actions/sys_write.c b/src/kernel/syscall/actions/sys_write.c
index c537d12..fceaaab 100644
--- a/src/kernel/syscall/actions/sys_write.c
+++ b/src/kernel/syscall/actions/sys_write.c
@@ -1,8 +1,10 @@
 #include <stdint-gcc.h>
 #include <mlibc/stdio.h>
+#include <kernel/io/io.h>
 
 uint32_t sys_write(char *buf, uint32_t count)
 {
+    serial_write("WRITE");
     for (uint32_t i = 0; i < count; i++)
         writec(*(buf++));
     return count;
diff --git a/src/kernel/syscall/syscall.c b/src/kernel/syscall/syscall.c
index 289274b..bb32965 100644
--- a/src/kernel/syscall/syscall.c
+++ b/src/kernel/syscall/syscall.c
@@ -1,6 +1,7 @@
 #include <stdint.h>
 #include <kernel/syscall/syscall.h>
 #include <kernel/interrupts/interrupts.h>
+#include <kernel/io/io.h>
 
 void syscalls_install()
 {
@@ -10,6 +11,8 @@ void syscalls_install()
 
 uint32_t syscall_handler(uint32_t id, uint32_t arg0, uint32_t arg1, uint32_t arg2)
 {
+    serial_write("Received syscall!\n");
+
     switch (id) {
         case 1:
             return sys_write((char *) arg0, arg1);
diff --git a/src/kernel/syscall/syscall.h b/src/kernel/syscall/syscall.h
index 7fe7862..304008d 100644
--- a/src/kernel/syscall/syscall.h
+++ b/src/kernel/syscall/syscall.h
@@ -2,6 +2,7 @@
 #define MELVIX_SYSCALL_H
 
 extern void idt_syscall();
+
 void syscalls_install();
 
 uint32_t sys_write(char *buf, uint32_t count);