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[PULL,12/19] target-arm: Implement MDSCR_EL1 as having state

Message ID 1408471784-2652-13-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell Aug. 19, 2014, 6:09 p.m. UTC 
Now that all the new code to support single-stepping is in
place, wire up the guest-visible MDSCR_EL1, so the guest
can enable single-stepping.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 target-arm/helper.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/target-arm/helper.c b/target-arm/helper.c
index f981569..2a77c97 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -2204,7 +2204,9 @@  static const ARMCPRegInfo debug_cp_reginfo[] = {
      */
     { .name = "MDSCR_EL1", .state = ARM_CP_STATE_BOTH,
       .cp = 14, .opc0 = 2, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 2,
-      .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+      .access = PL1_RW,
+      .fieldoffset = offsetof(CPUARMState, cp15.mdscr_el1),
+      .resetvalue = 0 },
     /* We define a dummy WI OSLAR_EL1, because Linux writes to it. */
     { .name = "OSLAR_EL1", .state = ARM_CP_STATE_BOTH,
       .cp = 14, .opc0 = 2, .opc1 = 0, .crn = 1, .crm = 0, .opc2 = 4,