Fix: Build failure in non Graphics mode

Also includes: * Minor comments added.
coderarjob · Oct 21, 2024 · a3e3f0c · a3e3f0c
1 parent 91a5900
commit a3e3f0c
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diff --git a/src/kernel/graphics.c b/src/kernel/graphics.c
@@ -138,8 +138,11 @@ static GraphicsInfo arch_getGraphicsModeInfo()
 
 static void arch_waitForNextVerticalRetrace()
 {
+    // Wait for the ongoing Vertical Retrace to end.
     while (ioread (0x3DA) & 0x8)
         ;
+
+    // Wait for next Vertical Retrace to start.
     while (!(ioread (0x3DA) & 0x8))
         ;
 }

diff --git a/src/kernel/x86/kernel.c b/src/kernel/x86/kernel.c
@@ -213,9 +213,11 @@ void keventmanager_invoke()
             }
         }
     }
+#ifdef GRAPHICS_MODE_ENABLED
     if (us % CONFIG_PROCESS_PERIOD_US == 0) {
         kgraphis_flush();
     }
+#endif
 }
 
 void k_delay (UINT ms)