System calls for mouse position

kernel/src/system_calls.cpp

@@ -14,6 +14,7 @@
 #include "rtc.hpp"
 #include "kernel_utils.hpp"
 #include "vesa.hpp"
+#include "mouse.hpp"
 #include "vfs/vfs.hpp"
 
 namespace {
@@ -257,6 +258,14 @@ void sc_vesa_redraw(interrupt::syscall_regs* regs){
     vesa::redraw(new_buffer);
 }
 
+void sc_mouse_x(interrupt::syscall_regs* regs){
+    regs->rax = mouse::x();
+}
+
+void sc_mouse_y(interrupt::syscall_regs* regs){
+    regs->rax = mouse::y();
+}
+
 } //End of anonymous namespace
 
 void system_call_entry(interrupt::syscall_regs* regs){
@@ -416,6 +425,14 @@ void system_call_entry(interrupt::syscall_regs* regs){
             sc_vesa_redraw(regs);
             break;
 
+        case 0x1100:
+            sc_mouse_x(regs);
+            break;
+
+        case 0x1101:
+            sc_mouse_y(regs);
+            break;
+
         default:
             k_print_line("Invalid system call");
             break;

tlib/include/graphics.hpp

@@ -24,6 +24,9 @@ uint64_t get_red_shift();
 uint64_t get_green_shift();
 uint64_t get_blue_shift();
 
+uint64_t mouse_x();
+uint64_t mouse_y();
+
 void redraw(char* buffer);
 
 } // end of namespace graphics

tlib/src/graphics.cpp

@@ -58,3 +58,11 @@ void graphics::redraw(char* buffer){
         : [buffer] "g" (buffer)
         : "rax", "rbx");
 }
+
+uint64_t graphics::mouse_x(){
+    return syscall_get(0x1100);
+}
+
+uint64_t graphics::mouse_y(){
+    return syscall_get(0x1101);
+}