diff --git a/hw/i386/x86-common.c b/hw/i386/x86-common.c
index 1b0671c523..b1b5f11e73 100644
--- a/hw/i386/x86-common.c
+++ b/hw/i386/x86-common.c
@@ -44,6 +44,7 @@
 #include "standard-headers/asm-x86/bootparam.h"
 #include CONFIG_DEVICES
 #include "kvm/kvm_i386.h"
+#include "kvm/tdx.h"
 
 #ifdef CONFIG_XEN_EMU
 #include "hw/xen/xen.h"
@@ -1035,11 +1036,14 @@ void x86_bios_rom_init(X86MachineState *x86ms, const char *default_firmware,
     if (machine_require_guest_memfd(MACHINE(x86ms))) {
         memory_region_init_ram_guest_memfd(&x86ms->bios, NULL, "pc.bios",
                                            bios_size, &error_fatal);
+        if (is_tdx_vm()) {
+            tdx_set_tdvf_region(&x86ms->bios);
+        }
     } else {
         memory_region_init_ram(&x86ms->bios, NULL, "pc.bios",
                                bios_size, &error_fatal);
     }
-    if (sev_enabled()) {
+    if (sev_enabled() || is_tdx_vm()) {
         /*
          * The concept of a "reset" simply doesn't exist for
          * confidential computing guests, we have to destroy and
diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
index 93a16a1aaa..0f5acbf980 100644
--- a/target/i386/kvm/tdx.c
+++ b/target/i386/kvm/tdx.c
@@ -137,6 +137,12 @@ static int get_tdx_capabilities(Error **errp)
     return 0;
 }
 
+void tdx_set_tdvf_region(MemoryRegion *tdvf_mr)
+{
+    assert(!tdx_guest->tdvf_mr);
+    tdx_guest->tdvf_mr = tdvf_mr;
+}
+
 static int tdx_kvm_init(ConfidentialGuestSupport *cgs, Error **errp)
 {
     TdxGuest *tdx = TDX_GUEST(cgs);
diff --git a/target/i386/kvm/tdx.h b/target/i386/kvm/tdx.h
index d39e733d9f..b73461b8d8 100644
--- a/target/i386/kvm/tdx.h
+++ b/target/i386/kvm/tdx.h
@@ -30,6 +30,8 @@ typedef struct TdxGuest {
     char *mrconfigid;       /* base64 encoded sha348 digest */
     char *mrowner;          /* base64 encoded sha348 digest */
     char *mrownerconfig;    /* base64 encoded sha348 digest */
+
+    MemoryRegion *tdvf_mr;
 } TdxGuest;
 
 #ifdef CONFIG_TDX
@@ -39,5 +41,6 @@ bool is_tdx_vm(void);
 #endif /* CONFIG_TDX */
 
 int tdx_pre_create_vcpu(CPUState *cpu, Error **errp);
+void tdx_set_tdvf_region(MemoryRegion *tdvf_mr);
 
 #endif /* QEMU_I386_TDX_H */