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This patch allows for easier manipulation of the cache description register, CCSIDR. Which is helpful for testing as well. Currently, numbers get hard-coded and might be prone to errors. Therefore, this patch adds a wrapper for different types of CPUs available in tcg to decribe caches. One function `make_ccsidr` supports two cases by carrying a parameter as FORMAT that can be LEGACY and CCIDX which determines the specification of the register. For CCSIDR register, 32 bit version follows specification [1]. Conversely, 64 bit version follows specification [2]. [1] B4.1.19, ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition, https://developer.arm.com/documentation/ddi0406 [2] D23.2.29, ARM Architecture Reference Manual for A-profile Architecture, https://developer.arm.com/documentation/ddi0487/latest/ Signed-off-by: Alireza Sanaee <alireza.sanaee@huawei.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-id: 20240903144550.280-1-alireza.sanaee@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>