From: Simon Glass <sjg@chromium.org>
Date: Mon, 26 Sep 2016 03:33:23 +0000 (-0600)
Subject: x86: Allow interrupts to be disabled in 64-bit mode
X-Git-Tag: v2016.11-rc2~11^2~19
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=35233da98a53eb95a28d16d3fd836801b84015a9;p=u-boot

x86: Allow interrupts to be disabled in 64-bit mode

Update the code to support both 32-bit and 64-bit modes.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---

diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c
index dd2819a12c..46babe00fa 100644
--- a/arch/x86/cpu/interrupts.c
+++ b/arch/x86/cpu/interrupts.c
@@ -238,8 +238,11 @@ int disable_interrupts(void)
 {
 	long flags;
 
+#ifdef CONFIG_X86_64
+	asm volatile ("pushfq ; popq %0 ; cli\n" : "=g" (flags) : );
+#else
 	asm volatile ("pushfl ; popl %0 ; cli\n" : "=g" (flags) : );
-
+#endif
 	return flags & X86_EFLAGS_IF;
 }