115742fae3
Replace bhyve's minimal RTC emulation with a fully featured one in vmm.ko. MFC r276432: Initialize all fields of 'struct vm_exception exception' before passing it to vm_inject_exception(). MFC r276763: Clear blocking due to STI or MOV SS in the hypervisor when an instruction is emulated or when the vcpu incurs an exception. MFC r277149: Clean up usage of 'struct vm_exception' to only to communicate information from userspace to vmm.ko when injecting an exception. MFC r277168: Fix typo (missing comma). MFC r277309: Make the error message explicit instead of just printing the usage if the virtual machine name is not specified. MFC r277310: Simplify instruction restart logic in bhyve. MFC r277359: Fix a bug in libvmmapi 'vm_copy_setup()' where it would return success even if the 'gpa' was in the guest MMIO region. MFC r277360: MOVS instruction emulation. MFC r277626: Add macro to identify AVIC capability (advanced virtual interrupt controller) in AMD processors. MFC r279220: Don't close a block context if it couldn't be opened avoiding a null deref. MFC r279225: Add "-u" option to bhyve(8) to indicate that the RTC should maintain UTC time. MFC r279227: Emulate MSR 0xC0011024 when running on AMD processors. MFC r279228: Always emulate MSR_PAT on Intel processors and don't rely on PAT save/restore capability of VT-x. This lets bhyve run nested in older VMware versions that don't support the PAT save/restore capability. MFC r279540: Fix warnings/errors when building vmm.ko with gcc.
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