diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2014-02-26 17:20:03 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-02-26 17:20:03 +0000 |
| commit | 91e240698f6a82cb73893ee0ce26369aa6232f7b (patch) | |
| tree | 0ee67431fc71201c7c7d744f11fc71d1f1eca344 /target-arm | |
| parent | 168aa23bb01a1f6266ba9228dfd248617872ca5c (diff) | |
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>
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/helper.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 13a55a5970..75850d6dba 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 }; |