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Jeenu Viswambharan
authored
At present, the function provided by the translation library to enable MMU constructs appropriate values for translation library, and programs them to the right registers. The construction of initial values, however, is only required once as both the primary and secondaries program the same values. Additionally, the MMU-enabling function is written in C, which means there's an active stack at the time of enabling MMU. On some systems, like Arm DynamIQ, having active stack while enabling MMU during warm boot might lead to coherency problems. This patch addresses both the above problems by: - Splitting the MMU-enabling function into two: one that sets up values to be programmed into the registers, and another one that takes the pre-computed values and writes to the appropriate registers. With this, the primary effectively calls both functions to have the MMU enabled, but secondaries only need to call the latter. - Rewriting the function that en...
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