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target-arm: Add AArch64 ELR_EL1 register.

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Add the AArch64 ELR_EL1 register.

Note that this does not live in env->cp15: for KVM migration
compatibility we need to migrate it separately rather than
as part of the system registers, because the KVM-to-userspace
interface puts it in the struct kvm_regs rather than making
them visible via the ONE_REG ioctls.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
This commit is contained in:
Peter Maydell 2014-04-15 19:18:42 +01:00
parent 6cd8a2649a
commit a0618a1990
4 changed files with 24 additions and 4 deletions
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4
target-arm/helper.c
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@ -1911,6 +1911,10 @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
{ .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 },
{ .name = "ELR_EL1", .state = ARM_CP_STATE_AA64,
.type = ARM_CP_NO_MIGRATE,
.opc0 = 3, .opc1 = 0, .crn = 4, .crm = 0, .opc2 = 1,
.access = PL1_RW, .fieldoffset = offsetof(CPUARMState, elr_el1) },
REGINFO_SENTINEL
};