diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2014-02-26 17:20:05 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-02-26 17:20:05 +0000 |
| commit | cd5c11b84b2539049e0fdc2c4c5f3e86e88a8bff (patch) | |
| tree | 8cb911d8c706f08864838f16906dab10def6ff01 | |
| parent | 0b45451e588e35965175c06b832a799a159716f0 (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 dde389c8af..61303b6ce9 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 }; |