diff --git a/CMakeLists.txt b/CMakeLists.txt
index 27b8957b8..cc930e462 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1637,6 +1637,7 @@ elseif(SunOS)
         PRIVATE "proc"
         PRIVATE "zfs"
         PRIVATE "nvpair"
+        PRIVATE "devinfo"
     )
 elseif(ANDROID)
     CHECK_LIBRARY_EXISTS(-l:libandroid-wordexp.a wordexp "" HAVE_LIBANDROID_WORDEXP_STATIC)
diff --git a/src/detection/bios/bios_windows.c b/src/detection/bios/bios_windows.c
index 500a33568..ea1977b1a 100644
--- a/src/detection/bios/bios_windows.c
+++ b/src/detection/bios/bios_windows.c
@@ -32,6 +32,10 @@ typedef struct _SYSTEM_BOOT_ENVIRONMENT_INFORMATION
 
 #include <fcntl.h>
 #include <unistd.h>
+
+#elif __sun
+#include <libdevinfo.h>
+#include <sys/sunddi.h>
 #endif
 
 typedef struct FFSmbiosBios
@@ -59,6 +63,7 @@ typedef struct FFSmbiosBios
 static_assert(offsetof(FFSmbiosBios, ExtendedBiosRomSize) == 0x18,
     "FFSmbiosBios: Wrong struct alignment");
 
+
 const char* ffDetectBios(FFBiosResult* bios)
 {
     const FFSmbiosHeaderTable* smbiosTable = ffGetSmbiosHeaderTable();
@@ -94,6 +99,17 @@ const char* ffDetectBios(FFBiosResult* bios)
             default: break;
         }
     }
+    #elif __sun
+    di_node_t rootNode = di_init("/", DINFOPROP);
+    if (rootNode != DI_NODE_NIL)
+    {
+        char* efiVersion = NULL;
+        if (di_prop_lookup_strings(DDI_DEV_T_ANY, rootNode, "efi-version", &efiVersion) > 0)
+            ffStrbufSetStatic(&bios->type, "UEFI");
+        else
+            ffStrbufSetStatic(&bios->type, "BIOS");
+    }
+    di_fini(rootNode);
     #elif __HAIKU__ || __OpenBSD__
     // Currently SMBIOS detection is supported in legancy BIOS only
     ffStrbufSetStatic(&bios->type, "BIOS");