X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/3903760236c30e3b5ace7a4eefac3a269d68957c..d26ffc64f583ab2d29df48f13518685602bc8832:/libsyscall/mach/host.c

diff --git a/libsyscall/mach/host.c b/libsyscall/mach/host.c
index a781a09ad..651d148d8 100644
--- a/libsyscall/mach/host.c
+++ b/libsyscall/mach/host.c
@@ -46,16 +46,33 @@ kern_return_t
 host_get_multiuser_config_flags(host_t host __unused,
 								uint32_t *multiuser_flags)
 {
+#if TARGET_OS_EMBEDDED
+	volatile uint32_t *multiuser_flag_address = (volatile uint32_t *)(uintptr_t)(_COMM_PAGE_MULTIUSER_CONFIG);
+	*multiuser_flags = *multiuser_flag_address;
+	return KERN_SUCCESS;
+#else
 	(void)multiuser_flags;
 	return KERN_NOT_SUPPORTED;
+#endif
 }
 
 kern_return_t
 host_check_multiuser_mode(host_t host __unused,
 						  uint32_t *multiuser_mode)
 {
+#if TARGET_OS_EMBEDDED
+	uint32_t multiuser_flags;
+	kern_return_t kr;
+
+	kr = host_get_multiuser_config_flags(host, &multiuser_flags);
+	if (kr != KERN_SUCCESS)
+		return kr;
+	*multiuser_mode = (multiuser_flags & kIsMultiUserDevice) == kIsMultiUserDevice;
+	return KERN_SUCCESS;
+#else
 	(void)multiuser_mode;
 	return KERN_NOT_SUPPORTED;
+#endif
 }
 
 extern kern_return_t