diff --git a/src/hello/hello.d b/src/hello/hello.d
index 424a1fa..8d18573 100644
--- a/src/hello/hello.d
+++ b/src/hello/hello.d
@@ -264,6 +264,7 @@ private void map_hulk(PageTableEntry * pt_base)
 {
     ulong virt = HULK_VIRTUAL_START;
     ulong hulk_bin_phys_start = cast(ulong)&hulk_bin_start;
+    bootinfo.hulk_phys = hulk_bin_phys_start;
     ulong hulk_bin_phys_end = cast(ulong)&hulk_bin_end;
     ulong phys_iter = hulk_bin_phys_start;
     while (phys_iter < hulk_bin_phys_end)
@@ -278,6 +279,8 @@ private void map_hulk(PageTableEntry * pt_base)
     size_t hulk_bin_phys_size = hulk_bin_phys_end - hulk_bin_phys_end;
     size_t bss_size = cast(size_t)hulk_header.total_size - hulk_bin_phys_size;
     ulong bss_phys = alloc_hulk_bss(bss_size);
+    bootinfo.bss_phys = bss_phys;
+    bootinfo.bss_size = bss_size;
     ulong bss_phys_end = bss_phys + bss_size;
     while (bss_phys < bss_phys_end)
     {
diff --git a/src/hulk/bootinfo.d b/src/hulk/bootinfo.d
index d152bc9..80950b8 100644
--- a/src/hulk/bootinfo.d
+++ b/src/hulk/bootinfo.d
@@ -46,6 +46,15 @@ struct BootInfo
 
     /* Number of memory map entries. */
     size_t memory_map_count;
+
+    /* Physical address of HULK. */
+    ulong hulk_phys;
+
+    /* Physical address used for HULK bss section. */
+    ulong bss_phys;
+
+    /* Size of HULK bss region. */
+    ulong bss_size;
 }
 
 /** HULK base virtual address. */