---

yaml --- r: 79994 b: refs/heads/master c: de18c85 h: refs/heads/master v: v3
git-mirror · Jan 30, 2008 · fa3dad5 · fa3dad5
1 parent dd8836e
commit fa3dad5
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Showing 3 changed files with 23 additions and 8 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5b83683f32b113d07edfb67a33ce389fc624423d
+refs/heads/master: de18c850af701ac9512b7239e88fa45e4c168771
diff --git a/trunk/arch/x86/kernel/reboot_64.c b/trunk/arch/x86/kernel/reboot_64.c
@@ -9,6 +9,7 @@
 #include <linux/pm.h>
 #include <linux/kdebug.h>
 #include <linux/sched.h>
+#include <linux/efi.h>
 #include <acpi/reboot.h>
 #include <asm/io.h>
 #include <asm/delay.h>
@@ -28,20 +29,17 @@ void (*pm_power_off)(void);
 EXPORT_SYMBOL(pm_power_off);
 
 static long no_idt[3];
-static enum { 
-	BOOT_TRIPLE = 't',
-	BOOT_KBD = 'k',
-	BOOT_ACPI = 'a'
-} reboot_type = BOOT_KBD;
+enum reboot_type reboot_type = BOOT_KBD;
 static int reboot_mode = 0;
 int reboot_force;
 
-/* reboot=t[riple] | k[bd] [, [w]arm | [c]old]
+/* reboot=t[riple] | k[bd] | e[fi] [, [w]arm | [c]old]
    warm   Don't set the cold reboot flag
    cold   Set the cold reboot flag
    triple Force a triple fault (init)
    kbd    Use the keyboard controller. cold reset (default)
    acpi   Use the RESET_REG in the FADT
+   efi    Use efi reset_system runtime service
    force  Avoid anything that could hang.
  */ 
 static int __init reboot_setup(char *str)
@@ -60,6 +58,7 @@ static int __init reboot_setup(char *str)
 		case 'a':
 		case 'b':
 		case 'k':
+		case 'e':
 			reboot_type = *str;
 			break;
 		case 'f':
@@ -155,7 +154,14 @@ void machine_emergency_restart(void)
 			acpi_reboot();
 			reboot_type = BOOT_KBD;
 			break;
-		}      
+
+		case BOOT_EFI:
+			if (efi_enabled)
+				efi.reset_system(reboot_mode ? EFI_RESET_WARM : EFI_RESET_COLD,
+						 EFI_SUCCESS, 0, NULL);
+			reboot_type = BOOT_KBD;
+			break;
+		}
 	}      
 }
 

diff --git a/trunk/include/asm-x86/emergency-restart.h b/trunk/include/asm-x86/emergency-restart.h
@@ -1,6 +1,15 @@
 #ifndef _ASM_EMERGENCY_RESTART_H
 #define _ASM_EMERGENCY_RESTART_H
 
+enum reboot_type {
+	BOOT_TRIPLE = 't',
+	BOOT_KBD = 'k',
+	BOOT_ACPI = 'a',
+	BOOT_EFI = 'e'
+};
+
+extern enum reboot_type reboot_type;
+
 extern void machine_emergency_restart(void);
 
 #endif /* _ASM_EMERGENCY_RESTART_H */