[coreboot-gerrit] Patch set updated for coreboot: 160d706 arm64: Add macro to invalidate stage 1 TLB entries at current EL

[Patrick Georgi (pgeorgi@google.com)]

Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9539

-gerrit

commit 160d706bfd71e3e336827dd04626e149aa5d5ef6
Author: Furquan Shaikh <furquan at google.com>
Date:   Mon Nov 24 15:12:12 2014 -0800

    arm64: Add macro to invalidate stage 1 TLB entries at current EL
    
    BUG=chrome-os-partner:33962
    BRANCH=None
    TEST=Compiles successfully for ryu.
    
    Change-Id: Ia4941a864dd3394689121a8c9ddfaaf6f5c150a1
    Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
    Original-Commit-Id: 1e43a081f7394b2014d89e723f816f1eca83ef49
    Original-Signed-off-by: Furquan Shaikh <furquan at google.com>
    Original-Change-Id: I60d77456573a2a1e854d9f3ca730237acfb77728
    Original-Reviewed-on: https://chromium-review.googlesource.com/231698
    Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
    Original-Tested-by: Furquan Shaikh <furquan at chromium.org>
    Original-Commit-Queue: Furquan Shaikh <furquan at chromium.org>
---
 src/arch/arm64/include/armv8/arch/lib_helpers.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/arch/arm64/include/armv8/arch/lib_helpers.h b/src/arch/arm64/include/armv8/arch/lib_helpers.h
index 422b81a..ba41f45 100644
--- a/src/arch/arm64/include/armv8/arch/lib_helpers.h
+++ b/src/arch/arm64/include/armv8/arch/lib_helpers.h
@@ -239,6 +239,21 @@
 402:
 .endm
 
+/* Macro to invalidate all stage 1 TLB entries for current EL */
+.macro tlbiall_current temp
+	switch_el \temp, 401f, 402f, 403f
+401:
+	tlbi	alle1
+	b	404f
+402:
+	tlbi	alle2
+	b	404f
+403:
+	tlbi	alle3
+	b	404f
+404:
+.endm
+
 #else
 
 #include <stdint.h>