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target-arm: Implement AArch64 MIDR_EL1

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Implement the AArch64 view of the MIDR system register
(for AArch64 it is a simple constant, unlike the complicated
mess that TI925 imposes on the 32-bit view).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
This commit is contained in:
Peter Maydell 2014-02-26 17:20:02 +00:00
parent 0eef9d9833
commit cd4da63177
1 changed files with 3 additions and 0 deletions
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target-arm/helper.c
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@ -1720,6 +1720,9 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.writefn = arm_cp_write_ignore, .raw_writefn = raw_write,
.fieldoffset = offsetof(CPUARMState, cp15.c0_cpuid),
.type = ARM_CP_OVERRIDE },
{ .name = "MIDR_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .opc2 = 0, .crn = 0, .crm = 0,
.access = PL1_R, .resetvalue = cpu->midr, .type = ARM_CP_CONST },
{ .name = "CTR",
.cp = 15, .crn = 0, .crm = 0, .opc1 = 0, .opc2 = 1,
.access = PL1_R, .type = ARM_CP_CONST, .resetvalue = cpu->ctr },