File _service:gitpkg:0007-target-arm-Implement-AArch... of Package qemu-usermode

Overview Repositories Revisions Requests Users Attributes Meta

File _service:gitpkg:0007-target-arm-Implement-AArch64-dummy-MDSCR_EL1.patch of Package qemu-usermode

From 1afbab2d8754db6b6312f0999ad9c0bf03747b8d Mon Sep 17 00:00:00 2001
From: Peter Maydell <peter.maydell@linaro.org>
Date: Sat, 15 Feb 2014 16:07:00 +0000
Subject: [PATCH] target-arm: Implement AArch64 dummy MDSCR_EL1

We don't support letting the guest do debug, but Linux prods the
monitor debug system control register anyway, so implement a dummy
RAZ/WI version.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
---
 target-arm/helper.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/target-arm/helper.c b/target-arm/helper.c
index e627f81..1992f3b 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1656,6 +1656,12 @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
       .opc0 = 1, .opc2 = 0, .crn = 8, .crm = 7, .opc2 = 7,
       .access = PL1_W, .type = ARM_CP_NO_MIGRATE,
       .writefn = tlbi_aa64_vaa_write },
+    /* Dummy implementation of monitor debug system control register:
+     * we don't support debug.
+     */
+    { .name = "MDSCR_EL1", .state = ARM_CP_STATE_AA64,
+      .opc0 = 2, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 2,
+      .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
     REGINFO_SENTINEL
 };
 
-- 
1.9.3

Places

File _service:gitpkg:0007-target-arm-Implement-AArch64-dummy-MDSCR_EL1.patch of Package qemu-usermode

Places