diff --git a/hw/core/machine.c b/hw/core/machine.c
index debcdc0e70..ea70be0270 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -37,7 +37,9 @@
 #include "hw/virtio/virtio.h"
 #include "hw/virtio/virtio-pci.h"
 
-GlobalProperty hw_compat_6_2[] = {};
+GlobalProperty hw_compat_6_2[] = {
+    { "isa-applesmc", "hostosk", "off" }
+};
 const size_t hw_compat_6_2_len = G_N_ELEMENTS(hw_compat_6_2);
 
 GlobalProperty hw_compat_6_1[] = {
diff --git a/hw/misc/applesmc.c b/hw/misc/applesmc.c
index 1b9acaf1d3..99bcc937f9 100644
--- a/hw/misc/applesmc.c
+++ b/hw/misc/applesmc.c
@@ -37,6 +37,11 @@
 #include "qemu/module.h"
 #include "qemu/timer.h"
 #include "qom/object.h"
+#include "qapi/error.h"
+
+#if defined(__APPLE__) && defined(__MACH__)
+#include <IOKit/IOKitLib.h>
+#endif
 
 /* #define DEBUG_SMC */
 
@@ -80,7 +85,7 @@ enum {
 #define smc_debug(...) do { } while (0)
 #endif
 
-static char default_osk[64] = "This is a dummy key. Enter the real key "
+static char default_osk[65] = "This is a dummy key. Enter the real key "
                               "using the -osk parameter";
 
 struct AppleSMCData {
@@ -109,6 +114,7 @@ struct AppleSMCState {
     uint8_t data_pos;
     uint8_t data[255];
     char *osk;
+    bool hostosk;
     QLIST_HEAD(, AppleSMCData) data_def;
 };
 
@@ -312,6 +318,101 @@ static const MemoryRegionOps applesmc_err_io_ops = {
     },
 };
 
+#if defined(__APPLE__) && defined(__MACH__)
+/*
+ * Based on
+ * https://web.archive.org/web/20200103161737/osxbook.com/book/bonus/chapter7/tpmdrmmyth/
+ */
+enum {
+    SMC_HANDLE_EVENT     = 2,
+    SMC_READ_KEY         = 5
+};
+
+struct AppleSMCParam {
+    uint32_t key;
+    uint8_t pad0[22];
+    IOByteCount data_size;
+    uint8_t pad1[10];
+    uint8_t command;
+    uint32_t pad2;
+    uint8_t bytes[32];
+};
+
+static bool applesmc_read_host_osk(char *host_osk, Error **errp)
+{
+    assert(host_osk != NULL);
+
+    io_service_t hostsmc_service = IO_OBJECT_NULL;
+    io_connect_t hostsmc_connect = IO_OBJECT_NULL;
+    size_t smc_param_size = sizeof(struct AppleSMCParam);
+    IOReturn status = kIOReturnError;
+    int i;
+
+    struct AppleSMCParam smc_param[2] = {
+         {
+             .key = ('OSK0'),
+             .data_size = sizeof(smc_param[0].bytes),
+             .command = SMC_READ_KEY,
+         }, {
+             .key = ('OSK1'),
+             .data_size = sizeof(smc_param[0].bytes),
+             .command = SMC_READ_KEY,
+         },
+    };
+
+    hostsmc_service = IOServiceGetMatchingService(
+        kIOMasterPortDefault,
+        IOServiceMatching("AppleSMC"));
+    if (hostsmc_service == IO_OBJECT_NULL) {
+        error_setg(errp, "Unable to get host-AppleSMC service");
+        goto error;
+    }
+
+    status = IOServiceOpen(hostsmc_service,
+                           mach_task_self(),
+                           0,
+                           &hostsmc_connect);
+    if (status != kIOReturnSuccess || hostsmc_connect == IO_OBJECT_NULL) {
+        error_setg(errp, "Unable to open host-AppleSMC service");
+        goto error;
+    }
+
+    for (i = 0; i < ARRAY_SIZE(smc_param); ++i) {
+        status = IOConnectCallStructMethod(
+                hostsmc_connect,
+                SMC_HANDLE_EVENT,
+                &smc_param[i],
+                sizeof(struct AppleSMCParam),
+                &smc_param[i],
+                &smc_param_size
+            );
+
+        if (status != kIOReturnSuccess) {
+            error_setg(errp, "Unable to read OSK from host-AppleSMC");
+            goto error;
+        }
+    }
+
+    memcpy(host_osk, smc_param[0].bytes, 32);
+    memcpy(host_osk + 32, smc_param[1].bytes, 32);
+
+    IOServiceClose(hostsmc_connect);
+    IOObjectRelease(hostsmc_service);
+    return true;
+
+error:
+    IOServiceClose(hostsmc_connect);
+    IOObjectRelease(hostsmc_service);
+    return false;
+}
+#else
+static bool applesmc_read_host_osk(char *host_osk, Error **errp)
+{
+    error_setg(errp, "OSK read is not supported on this host");
+    return false;
+}
+#endif
+
 static void applesmc_isa_realize(DeviceState *dev, Error **errp)
 {
     AppleSMCState *s = APPLE_SMC(dev);
@@ -331,9 +432,26 @@ static void applesmc_isa_realize(DeviceState *dev, Error **errp)
     isa_register_ioport(&s->parent_obj, &s->io_err,
                         s->iobase + APPLESMC_ERR_PORT);
 
-    if (!s->osk || (strlen(s->osk) != 64)) {
-        warn_report("Using AppleSMC with invalid key");
+    if (s->osk && s->hostosk) {
+        error_setg(errp, "-osk property cannot be used with -hostosk=on");
+    }
+
+    if (!s->osk && !s->hostosk) {
         s->osk = default_osk;
+        warn_report("Using AppleSMC with default (dummy) OSK");
+    }
+
+    if (s->hostosk) {
+        s->osk = g_malloc0(65);
+        /* Fail hard if we cannot read requested host OSK */
+        if (!applesmc_read_host_osk(s->osk, errp)) {
+            g_assert_not_reached();
+        }
+    }
+
+    if (s->osk && strlen(s->osk) != 64) {
+        /* Only valid OSK is accepted within 'osk' property */
+        error_setg(errp, "Using AppleSMC with key of invalid length");
     }
 
     QLIST_INIT(&s->data_def);
@@ -344,6 +462,7 @@ static Property applesmc_isa_properties[] = {
     DEFINE_PROP_UINT32(APPLESMC_PROP_IO_BASE, AppleSMCState, iobase,
                        APPLESMC_DEFAULT_IOBASE),
     DEFINE_PROP_STRING("osk", AppleSMCState, osk),
+    DEFINE_PROP_BOOL("hostosk", AppleSMCState, hostosk, true),
     DEFINE_PROP_END_OF_LIST(),
 };
 
