[Qemu-devel] [PATCH v1 1/1] target-arm: helper.c: RAZ REVIDR cp register

[peter . crosthwaite]

From: Peter Crosthwaite <address@hidden>

Guests should be able to read REVIDR without suffering an abort. Just
RAZ the REVIDR register.

Signed-off-by: Peter Crosthwaite <address@hidden>
---

 target-arm/helper.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/target-arm/helper.c b/target-arm/helper.c
index fd055e8..e655c74 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1187,6 +1187,10 @@ void register_cp_regs_for_features(ARMCPU *cpu)
             { .name = "TLBTR",
               .cp = 15, .crn = 0, .crm = 0, .opc1 = 0, .opc2 = 3,
               .access = PL1_R, .type = ARM_CP_CONST, .resetvalue = 0 },
+            /* RAZ the REVIDR register */
+            { .name = "REVIDR",
+              .cp = 15, .crn = 0, .crm = 0, .opc1 = 0, .opc2 = 6,
+              .access = PL1_R, .type = ARM_CP_CONST, .resetvalue = 0 },
             /* crn = 0 op1 = 0 crm = 3..7 : currently unassigned; we RAZ. */
             { .name = "DUMMY",
               .cp = 15, .crn = 0, .crm = 3, .opc1 = 0, .opc2 = CP_ANY,
-- 
1.7.0.4