From: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
Date: Tue, 10 Oct 2017 15:52:45 +0000 (+0300)
Subject: arm: processor.h: add definition for immediate value mask
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1121
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=f30e8edd96eb2cc132f629df006efa4a7fff3869;p=xen.git

arm: processor.h: add definition for immediate value mask

This patch defines HSR_XXC_IMM_MASK. It can be used to extract
immediate value for trapped HVC32, HVC64, SMC64, SVC32, SVC64
instructions, as described in the ARM ARM
(ARM DDI 0487B.a pages D7-2270, D7-2272).

Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
Acked-by: Julien Grall <julien.grall@arm.com>
---

diff --git a/xen/include/asm-arm/processor.h b/xen/include/asm-arm/processor.h
index cd92176be7..65eb1071e1 100644
--- a/xen/include/asm-arm/processor.h
+++ b/xen/include/asm-arm/processor.h
@@ -673,6 +673,9 @@ union hsr {
                               HSR_SYSREG_CRN_MASK|HSR_SYSREG_CRM_MASK|\
                               HSR_SYSREG_OP2_MASK)
 
+/* HSR.EC == HSR_{HVC32, HVC64, SMC64, SVC32, SVC64} */
+#define HSR_XXC_IMM_MASK     (0xffff)
+
 /* Physical Address Register */
 #define PAR_F           (_AC(1,U)<<0)