[PATCH 07/18] efi: run EFI specific code on EFI platform only

[Daniel Kiper]

Signed-off-by: Daniel Kiper <address@hidden>
---
 xen/arch/x86/shutdown.c  |    3 ++-
 xen/common/efi/boot.c    |    5 +++++
 xen/common/efi/runtime.c |    6 ++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/xen/arch/x86/shutdown.c b/xen/arch/x86/shutdown.c
index 21f6cf5..1c8336f 100644
--- a/xen/arch/x86/shutdown.c
+++ b/xen/arch/x86/shutdown.c
@@ -504,7 +504,8 @@ void machine_restart(unsigned int delay_millisecs)
         tboot_shutdown(TB_SHUTDOWN_REBOOT);
     }
 
-    efi_reset_system(reboot_mode != 0);
+    if ( efi_platform )
+        efi_reset_system(reboot_mode != 0);
 
     /* Rebooting needs to touch the page at absolute address 0. */
     *((unsigned short *)__va(0x472)) = reboot_mode;
diff --git a/xen/common/efi/boot.c b/xen/common/efi/boot.c
index 8aafcfd..89d081d 100644
--- a/xen/common/efi/boot.c
+++ b/xen/common/efi/boot.c
@@ -1154,6 +1154,11 @@ void __init efi_init_memory(void)
     } *extra, *extra_head = NULL;
 #endif
 
+#ifndef CONFIG_ARM /* TODO - disabled until implemented on ARM */
+    if ( !efi_platform )
+        return;
+#endif
+
     printk(XENLOG_INFO "EFI memory map:\n");
     for ( i = 0; i < efi_memmap_size; i += efi_mdesc_size )
     {
diff --git a/xen/common/efi/runtime.c b/xen/common/efi/runtime.c
index b229c69..7c767e4 100644
--- a/xen/common/efi/runtime.c
+++ b/xen/common/efi/runtime.c
@@ -164,6 +164,9 @@ int efi_get_info(uint32_t idx, union xenpf_efi_info *info)
 {
     unsigned int i, n;
 
+    if ( !efi_platform )
+        return -ENOSYS;
+
     switch ( idx )
     {
     case XEN_FW_EFI_VERSION:
@@ -298,6 +301,9 @@ int efi_runtime_call(struct xenpf_efi_runtime_call *op)
     EFI_STATUS status = EFI_NOT_STARTED;
     int rc = 0;
 
+    if ( !efi_platform )
+        return -ENOSYS;
+
     switch ( op->function )
     {
     case XEN_EFI_get_time:
-- 
1.7.10.4