fs_workload.hh

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#ifndef __ARCH_ARM_FS_WORKLOAD_HH__
#define __ARCH_ARM_FS_WORKLOAD_HH__

#include <memory>
#include <vector>

#include "kern/linux/events.hh"
#include "params/ArmFsWorkload.hh"
#include "sim/kernel_workload.hh"
#include "sim/sim_object.hh"

namespace ArmISA
{

class SkipFunc : public SkipFuncBase
{
  public:
    using SkipFuncBase::SkipFuncBase;
    void returnFromFuncIn(ThreadContext *tc) override;
};

class FsWorkload : public KernelWorkload
{
  protected:
    std::vector<std::unique_ptr<Loader::ObjectFile>> bootLoaders;

    Loader::ObjectFile *bootldr = nullptr;

    Addr kernelEntry = 0;

    Loader::ObjectFile *getBootLoader(Loader::ObjectFile *const obj);

  public:
    typedef ArmFsWorkloadParams Params;
    const Params *
    params() const
    {
        return dynamic_cast<const Params *>(&_params);
    }

    Addr
    getEntry() const override
    {
        if (bootldr)
            return bootldr->entryPoint();
        else
            return kernelEntry;
    }

    Loader::Arch
    getArch() const override
    {
        if (bootldr)
            return bootldr->getArch();
        else if (kernelObj)
            return kernelObj->getArch();
        else
            return Loader::Arm64;
    }

    FsWorkload(Params *p);

    void initState() override;

    Addr
    fixFuncEventAddr(Addr addr) const override
    {
        // Remove the low bit that thumb symbols have set
        // but that aren't actually odd aligned
        return addr & ~1;
    }
};

} // namespace ArmISA

#endif // __ARCH_ARM_FS_WORKLOAD_HH__