Mine

Index: bootloader/main-pp.c
===================================================================
--- bootloader/main-pp.c	(revision 13992)
+++ bootloader/main-pp.c	(working copy)
@@ -44,6 +44,7 @@
 
 #elif CONFIG_KEYPAD == SANSA_E200_PAD
 #define BOOTLOADER_BOOT_OF      BUTTON_LEFT
+#define BOOTLOADER_BOOT_MENU    BUTTON_REC
 
 #endif
 
@@ -467,7 +468,7 @@
         btn |= BOOTLOADER_BOOT_OF;
 #endif
     /* Enable bootloader messages if any button is pressed */
-    if (btn)
+    if ((btn) && ((btn&BOOTLOADER_BOOT_MENU) == 0))
         verbose = true;
 
     lcd_setfont(FONT_SYSFIXED);
@@ -509,9 +510,49 @@
         printf("Partition %d: 0x%02x %ld MB",
                 i, pinfo->type, pinfo->size / 2048);
     }
-
-    if(btn & BOOTLOADER_BOOT_OF)
+    if (btn&BOOTLOADER_BOOT_MENU)
     {
+        char *items[] = {"Rockbox", "MicroSD card", "Sansa Firmare", "Shutdown"};
+        while (button_read_device()&BOOTLOADER_BOOT_MENU)
+            ;
+        switch (boot_menu(items, 4))
+        {
+            case 0: /* rockbox */
+                rc=load_mi4(loadbuffer, BOOTFILE, MAX_LOADSIZE);
+                break;
+            case 1: /* microSD */
+                rc=load_mi4(loadbuffer, 
+                            "/<microSD1>/.rockbox/rockbox.mi4", MAX_LOADSIZE);
+                break;
+            case 2: /* OF */
+#ifdef SANSA_E200        
+            /* First try a (hidden) firmware partition */
+                printf("Trying firmware partition");
+                pinfo = disk_partinfo(1);
+                if(pinfo->type == PARTITION_TYPE_OS2_HIDDEN_C_DRIVE)
+                {
+                    rc = load_mi4_part(loadbuffer, pinfo, MAX_LOADSIZE, usb);
+                    if (rc < EOK) {
+                        printf("Can't load from partition");
+                        printf(strerror(rc));
+                    } else {
+                        return (void*)loadbuffer;
+                    }
+                } else {
+                    printf("No hidden partition found.");
+                }
+#endif
+            break;
+        case -1: /* timeout */
+            case 3: /* shutdown */
+                power_off();
+                break;
+        }
+        if (rc < EOK)
+            error(EBOOTFILE,rc);
+    }
+    else if(btn & BOOTLOADER_BOOT_OF)
+    {
         /* Load original mi4 firmware in to a memory buffer called loadbuffer.
            The rest of the loading is done in crt0.S.
            1) First try reading from the hidden partition (on Sansa only).
Index: bootloader/SOURCES
===================================================================
--- bootloader/SOURCES	(revision 13992)
+++ bootloader/SOURCES	(working copy)
@@ -1,5 +1,5 @@
 common.c
-
+boot_menu.c
 #if defined(IPOD_ARCH)
 ipod.c
 #elif defined(GIGABEAT_F)
Index: bootloader/boot_menu.c
===================================================================
--- bootloader/boot_menu.c	(revision 0)
+++ bootloader/boot_menu.c	(revision 0)
@@ -0,0 +1,66 @@
+#include "config.h"
+#include "lcd.h"
+#include "stdbool.h"
+#include "sysfont.h"
+#include "button.h"
+#include "kernel.h"
+
+#define TIMEOUT_VALUE 5*HZ
+
+/* Button definitions */
+#if CONFIG_KEYPAD == IRIVER_H10_PAD
+#define UP 
+
+#elif CONFIG_KEYPAD == SANSA_E200_PAD
+#define UP BUTTON_UP
+#define DOWN BUTTON_DOWN
+#define ACCEPT BUTTON_SELECT
+
+#endif
+
+int boot_menu(char **items, int count)
+{
+    int selection = 0, i;
+    int nb_lines = LCD_HEIGHT/SYSFONT_HEIGHT;
+    bool timeout_still_valid = true;
+    int start_time = current_tick;
+    int button;
+    
+    //lcd_backlight(true);
+    while (1)
+    {
+        lcd_clear_display();
+        for (i=0; i<nb_lines && i<count; i++)
+        {
+            if (i == selection)
+            {
+                lcd_puts_style(0, i+2, items[i], STYLE_INVERT);
+            }
+            else
+                lcd_puts_style(0, i+2, items[i], STYLE_DEFAULT);
+        }
+        lcd_update();
+        button = button_read_device();
+        if (button != BUTTON_NONE)
+            timeout_still_valid = false;
+        
+        if (timeout_still_valid)
+        {
+            if (current_tick > start_time+TIMEOUT_VALUE)
+                return -1; /* timeout */
+        }
+        
+        if ((button&UP) && (selection > 0))
+        {
+            selection--;
+        }
+        else if ((button&DOWN) && selection < (count-1))
+        {
+            selection++;
+        }
+        else if (button&ACCEPT)
+            return selection;
+        sleep(HZ/2);
+    }
+    return -1;
+}
Index: firmware/target/arm/sandisk/sansa-e200/button-e200.c
===================================================================
--- firmware/target/arm/sandisk/sansa-e200/button-e200.c	(revision 13992)
+++ firmware/target/arm/sandisk/sansa-e200/button-e200.c	(working copy)
@@ -232,6 +232,7 @@
 #endif /* BOOTLOADER */
 
 /* device buttons */
+void button_int(void) IBSS_ATTR;
 void button_int(void)
 {
     unsigned char state;