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This project forked from project-oak/hafnium-verification

0.0 1.0 0.0 1.3 MB

License: Apache License 2.0

Makefile 0.53% Python 2.05% Coq 14.41% Rust 31.41% C 40.22% C++ 7.62% Shell 0.57% Assembly 3.18%

hafnium-verification's Issues

Questions

Files to read

api.c
fdt.c
fdt_handler.c
plat.c
arch

Skipped files

abi_test.cc
api_test.cc
fdt_handler_test.cc
fdt_test.cc
mm_test.cc
mpool_test.cc
spci_test.cc

BUILD.gn

Questions

  • abort.c: in abort loop, why nop, not yield?

  • api.c says:

    static_assert(HF_MAILBOX_SIZE == PAGE_SIZE,
"Currently, a page is mapped for the send and receive buffers so "
"the maximum request is the size of a page.");

    But HF_MAILBOX_SIZE is meaningfully used only in test/hftest/hftest_service.c, but it's a test
    file. Where the "send and receiver buffers" are defined?

  • mm.h: V O !X means "Owner of memory with access shared with at most one other VM.". What's interesting is "At most".

  • cpu.c: cpu_on()

  • cpu.c: vcpu_handle_page_fault()

  • load.c: mm_vm_unmap_hypervisor(): where hypervisor mm are mapped?

  • where "mem_ranges" comes from?

  • load.c: there are a very short time when the primary VM can access secondary ones (load_secondary,
    grant & deny).

  • load.c: when primary/secondary VM's secondary vCPUs are initialized? More generally, how VMs are booted?

cloc results

master as of 0964836:

     200 text files.
     198 unique files.                                          
      40 files ignored.

github.com/AlDanial/cloc v 1.82  T=0.08 s (1985.4 files/s, 242385.1 lines/s)
-------------------------------------------------------------------------------
Language                     files          blank        comment           code
-------------------------------------------------------------------------------
C                               75           1904           3363           7141
C/C++ Header                    53            482           1480           1379
C++                              7            194            443           1154
Assembly                        11            144            346            500
Python                           6             60            133            356
Markdown                         6             79              0            201
Bourne Shell                     2             29             70            102
make                             1             15             21             59
-------------------------------------------------------------------------------
SUM:                           161           2907           5856          10892
-------------------------------------------------------------------------------

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