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Add cortex-m arm-support for s2e #13

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Add cortex-m arm-support for s2e #13

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Commits on Oct 16, 2019

  1. feat: add support for compiling ARM KVM mode on X86 

    To achieve this the linux-headers directory must be symlinked on a per-targe
basis (rather than per host). We also need to break the target and host
compatibility checks in KVM mode.

Signed-off-by: chaojixx <wpz5080@psu.edu>
    @weizhou-chaojixx
    weizhou-chaojixx committed Oct 16, 2019
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Commits on Nov 16, 2019

  1. feat:add cortex-m kvm vcpu init 

    For cortex-m, cpu has to reset before vcpu init.
Add vcpu_ioctl interfacs for cortex regs and sregs rw.

Signed-off-by: chaojixx <wpz5080@psu.edu>
    @weizhou-chaojixx
    weizhou-chaojixx committed Nov 16, 2019
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  2. feat: add armv7m_space_memory for sync cortex-m SCS memory region 

    Signed-off-by: chaojixx <wpz5080@psu.edu>
    @weizhou-chaojixx
    weizhou-chaojixx committed Nov 16, 2019
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  3. refactor: separate necessary nvic interfaces which also used for cort… 

    …ex-m cpu interrupt

Signed-off-by: chaojixx <wpz5080@psu.edu>
    @weizhou-chaojixx
    weizhou-chaojixx committed Nov 16, 2019
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  4. feat:sync sregs when cpu exit due to KVM_EXIT_SYNC_ARM_V7M_SREGS 

    Add kvm_cortex_m_vcpu_sync(CPUState *cs) interfaces to sync sregs between kvm cpu env with tcg env.

Signed-off-by: chaojixx <wpz5080@psu.edu>
    @weizhou-chaojixx
    weizhou-chaojixx committed Nov 16, 2019
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  5. add roms/vgabios/ for .gitignore 

    Signed-off-by: chaojixx <wpz5080@psu.edu>
    @weizhou-chaojixx
    weizhou-chaojixx committed Nov 16, 2019
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  6. kvm: add api to register fixed memory regions for armv7m 

    now only add for mps AN511 version

Signed-off-by: chaojixx <wpz5080@psu.edu>
    @weizhou-chaojixx
    weizhou-chaojixx committed Nov 16, 2019
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  7. arm kvm: add cortex-m get regs for original one 

    Signed-off-by: chaojixx <wpz5080@psu.edu>
    @weizhou-chaojixx
    weizhou-chaojixx committed Nov 16, 2019
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