[Qemu-devel] [PATCH v3 04/31] target-arm: Implement AArch64 MIDR_EL1

[Peter Maydell <peter.maydell@linaro.org>]

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>
---
 target-arm/helper.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 73dcaf6..cad6bbe 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -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 },
-- 
1.8.5