diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2014-02-11 18:41:36 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-02-21 17:14:03 +0000 |
| commit | d03a1cea6b04546d503785aeaa3f00bc252ee137 (patch) | |
| tree | e836f2f1a356e1af49a5ac3597d1d003408adcb7 | |
| parent | 380a2091e8f1c2bb826adf4f34be003341d6891e (diff) | |
target-arm: Implement AArch64 OSLAR_EL1 sysreg as WI
Define a dummy version of the AArch64 OSLAR_EL1 system register
which just ignores writes. Linux will always write to this (it
is the OS lock used for debugging), but we don't support debug.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
| -rw-r--r-- | 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 53ee3a047..c9ea2a2b0 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -1738,6 +1738,10 @@ static const ARMCPRegInfo v8_cp_reginfo[] = { { .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 }, + /* We define a dummy WI OSLAR_EL1, because Linux writes to it. */ + { .name = "OSLAR_EL1", .state = ARM_CP_STATE_AA64, + .opc0 = 2, .opc1 = 0, .crn = 1, .crm = 0, .opc2 = 4, + .access = PL1_W, .type = ARM_CP_NOP }, REGINFO_SENTINEL }; |