added framebuffer info to multiboot

ozkl · Mar 26, 2018 · ab97568 · ab97568
1 parent a1f2b02
commit ab97568
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Showing 2 changed files with 19 additions and 4 deletions.
diff --git a/kernel/main.c b/kernel/main.c
@@ -431,6 +431,14 @@ int kmain(struct Multiboot *mboot_ptr)
         Screen_PrintF("Video: x:%d, y:%d\n", vbe_info->XResolution, vbe_info->YResolution);
     }
 
+    Serial_PrintF("framebuffer_addr: %x\n", mboot_ptr->framebuffer_addr);
+    Serial_PrintF("framebuffer_pitch: %d\n", mboot_ptr->framebuffer_pitch);
+    Serial_PrintF("framebuffer_width: %d\n", mboot_ptr->framebuffer_width);
+    Serial_PrintF("framebuffer_height: %d\n", mboot_ptr->framebuffer_height);
+    Serial_PrintF("framebuffer_bpp: %d\n", mboot_ptr->framebuffer_bpp);
+    Serial_PrintF("framebuffer_type: %d\n", mboot_ptr->framebuffer_type);
+
+
     initializeRandom();
 
     createRamdisk("ramdisk1", 12*1024*1024);

diff --git a/kernel/multiboot.h b/kernel/multiboot.h
@@ -26,10 +26,17 @@ struct Multiboot
     uint32 apm_table;
     uint32 vbe_control_info;
     uint32 vbe_mode_info;
-    uint32 vbe_mode;
-    uint32 vbe_interface_seg;
-    uint32 vbe_interface_off;
-    uint32 vbe_interface_len;
+    uint16 vbe_mode;
+    uint16 vbe_interface_seg;
+    uint16 vbe_interface_off;
+    uint16 vbe_interface_len;
+
+    uint64 framebuffer_addr;
+    uint32 framebuffer_pitch;
+    uint32 framebuffer_width;
+    uint32 framebuffer_height;
+    uint8 framebuffer_bpp;
+    uint8 framebuffer_type;
 }  __attribute__((packed));
 
 #endif