Add the Hypervisor System Trap Register for EL2. This register is used early in the Linux boot and without it the kernel aborts with a "Synchronous Abort" error.
Signed-off-by: Alistair Francis <alistair.fran...@xilinx.com> --- target-arm/helper.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/target-arm/helper.c b/target-arm/helper.c index 09638b2..65e8ff1 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -3470,6 +3470,9 @@ static const ARMCPRegInfo el3_no_el2_cp_reginfo[] = { .opc0 = 3, .opc1 = 4, .crn = 6, .crm = 0, .opc2 = 4, .access = PL2_RW, .accessfn = access_el3_aa32ns_aa64any, .type = ARM_CP_CONST, .resetvalue = 0 }, + { .name = "HSTR_EL2", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 3, + .access = PL2_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, REGINFO_SENTINEL }; @@ -3703,6 +3706,10 @@ static const ARMCPRegInfo el2_cp_reginfo[] = { .opc0 = 3, .opc1 = 4, .crn = 6, .crm = 0, .opc2 = 4, .access = PL2_RW, .fieldoffset = offsetof(CPUARMState, cp15.hpfar_el2) }, + { .name = "HSTR_EL2", .state = ARM_CP_STATE_AA64, + .opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 3, + .access = PL2_RW, + .readfn = arm_cp_read_zero, .writefn = arm_cp_write_ignore, }, REGINFO_SENTINEL }; -- 2.5.0