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authorPeter Maydell <peter.maydell@linaro.org>2023-07-17 11:05:08 +0100
committerPeter Maydell <peter.maydell@linaro.org>2023-07-17 11:05:08 +0100
commit3f74da440ddad65dee5a22d63b2048a5ee16a5e2 (patch)
tree06fabd8a995b5121f2f9ad5efa4bcf8e998c3fa8 /util/oslib-posix.c
parent34eed551273cb42dbbff4d8fceb7b3576436aff3 (diff)
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target/arm: Fix S1_ptw_translate() debug path
In commit fe4a5472ccd6 we rearranged the logic in S1_ptw_translate() so that the debug-access "call get_phys_addr_*" codepath is used both when S1 is doing ptw reads from stage 2 and when it is doing ptw reads from physical memory. However, we didn't update the calculation of s2ptw->in_space and s2ptw->in_secure to account for the "ptw reads from physical memory" case. This meant that debug accesses when in Secure state broke. Create a new function S2_security_space() which returns the correct security space to use for the ptw load, and use it to determine the correct .in_secure and .in_space fields for the stage 2 lookup for the ptw load. Reported-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230710152130.3928330-3-peter.maydell@linaro.org Fixes: fe4a5472ccd6 ("target/arm: Use get_phys_addr_with_struct in S1_ptw_translate") Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'util/oslib-posix.c')
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