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read memory in EL3

dll

Hello, I want to read a memory(kmalloc in kernel) in EL3, and I have get the PA of memory. But I can't read it. Why? Thanks.

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  • 0 in reply to Martin Weidmann

    Thanks.I have found this problem. I don't map the PA into EL3 VA space. Now I try to map the PA and  fail to do it by function(mmap_add_dynamic_region_alloc_va and mmap_add_region_alloc_va), please tell me the way to mapp the PA into EL3 VA space. Thanks. Ignore my poor English.

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  • 0 in reply to Martin Weidmann

    Thanks.I have found this problem. I don't map the PA into EL3 VA space. Now I try to map the PA and  fail to do it by function(mmap_add_dynamic_region_alloc_va and mmap_add_region_alloc_va), please tell me the way to mapp the PA into EL3 VA space. Thanks. Ignore my poor English.

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