diff --git a/second/bootenv.c b/second/bootenv.c
index f5ca48f..017296a 100644
--- a/second/bootenv.c
+++ b/second/bootenv.c
@@ -4,4 +4,46 @@
  *
  */
 
+#include <stdio.h>
+#include <string.h>
+
+#include "lowmem.h"
+#include "arch.h"
+#include "vga.h"
+#include "bank.h"
 #include "bootenv.h"
+
+static char* setenv(char* env, char* variable, unsigned long value)
+{
+	sprintf(env, "%s=%lu", variable, value);
+	env += strlen(env) + 1;
+	env[1] = 0;
+
+	return env;
+}
+
+void bootenv_init(char* env)
+{
+	unsigned long videoaddr;
+	env = setenv(env, "ROOT_SCSI_ID", 0);
+	env = setenv(env, "SINGLE_USER", 0);
+	logical2physical(vga_get_videobase(), &videoaddr);
+	env = setenv(env, "VIDEO_ADDR", videoaddr);
+	env = setenv(env, "ROW_BYTES", vga_get_row_bytes());
+	env = setenv(env, "SCREEN_DEPTH", vga_get_depth());
+	env = setenv(env, "DIMENSIONS", (vga_get_height() << 16) | vga_get_width());
+	env = setenv(env, "BOOTTIME", Time - 2082844800);
+	env = setenv(env, "GMTBIAS", gmt_bias);
+	env = setenv(env, "BOOTERVER", 111);	/* "1.11.4a4" */
+	env = setenv(env, "MACOS_VIDEO", vga_get_video());
+	env = setenv(env, "MACOS_SCC", SCCRd);
+	env = setenv(env, "MACHINEID", machine_id);
+	env = setenv(env, "MEMSIZE", ram_size);
+	env = setenv(env, "GRAYBARS", 0);
+	env = setenv(env, "SERIALECHO", 0);
+	env = setenv(env, "SERIALCONSOLE", 0);
+	env = setenv(env, "PROCESSOR",	cpu_type - gestalt68020);
+	env = setenv(env, "ROMBASE", (unsigned long)ROMBase);
+	env = setenv(env, "TIMEDBRA", TimeDBRA);
+	env = setenv(env, "ADBDELAY", TimeVIADB);
+}
diff --git a/second/bootenv.h b/second/bootenv.h
index 172d409..55ccf62 100644
--- a/second/bootenv.h
+++ b/second/bootenv.h
@@ -3,3 +3,5 @@
  * (c) 2005 Laurent Vivier <LaurentVivier@wanadoo.fr>
  *
  */
+
+void bootenv_init(char* env);