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Commit 5993f56

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wcwangwcwang
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Merge pull request #137 from krytarowski/netbsd-1e
Add experimental NetBSD host support
2 parents f40dfd2 + bbf540c commit 5993f56

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+2641
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‎core/include/config.h‎

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@@ -65,7 +65,13 @@ struct config_t {
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};
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#define HAX_MAX_VCPUS 16
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#ifdef HAX_PLATFORM_NETBSD
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// TODO: Handle 64 VMs
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#define HAX_MAX_VMS 8
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#else
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// Matches the number of bits in vm_mid_bits (see vm.c)
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#define HAX_MAX_VMS 64
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#endif
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#endif // HAX_CORE_CONFIG_H_

‎include/hax.h‎

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@@ -269,6 +269,9 @@ int hax_em64t_enabled(void);
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#ifdef HAX_PLATFORM_LINUX
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#include "linux/hax_linux.h"
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#endif
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#ifdef HAX_PLATFORM_NETBSD
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#include "netbsd/hax_netbsd.h"
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#endif
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#ifdef HAX_PLATFORM_WINDOWS
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#include "windows/hax_windows.h"
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#endif

‎include/hax_interface.h‎

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#ifdef HAX_PLATFORM_LINUX
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#include "linux/hax_interface_linux.h"
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#endif
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#ifdef HAX_PLATFORM_NETBSD
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#include "netbsd/hax_interface_netbsd.h"
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#endif
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#ifdef HAX_PLATFORM_WINDOWS
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#include "windows/hax_interface_windows.h"
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#endif

‎include/hax_types.h‎

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#elif defined(__linux__)
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#define HAX_PLATFORM_LINUX
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#include "linux/hax_types_linux.h"
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// NetBSD
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#elif defined(__NetBSD__)
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#define HAX_PLATFORM_NETBSD
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#include "netbsd/hax_types_netbsd.h"
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// Windows
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#elif defined(_WIN32)
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#define HAX_PLATFORM_WINDOWS

‎include/netbsd/hax_interface_netbsd.h‎

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/*
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* Copyright (c) 2011 Intel Corporation
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* Copyright (c) 2018 Kamil Rytarowski
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef HAX_NETBSD_HAX_INTERFACE_NETBSD_H_
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#define HAX_NETBSD_HAX_INTERFACE_NETBSD_H_
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/ioccom.h>
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/* The mac specific interface to qemu because of mac's
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* special handling like hax tunnel allocation etc */
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/* HAX model level ioctl */
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#define HAX_IOCTL_VERSION _IOWR(0, 0x20, struct hax_module_version)
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#define HAX_IOCTL_CREATE_VM _IOWR(0, 0x21, uint32_t)
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#define HAX_IOCTL_DESTROY_VM _IOW(0, 0x22, uint32_t)
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#define HAX_IOCTL_CAPABILITY _IOR(0, 0x23, struct hax_capabilityinfo)
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#define HAX_IOCTL_SET_MEMLIMIT _IOWR(0, 0x24, struct hax_set_memlimit)
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// Only for backward compatibility with old Qemu.
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#define HAX_VM_IOCTL_VCPU_CREATE_ORIG _IOR(0, 0x80, int)
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#define HAX_VM_IOCTL_VCPU_CREATE _IOWR(0, 0x80, uint32_t)
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#define HAX_VM_IOCTL_ALLOC_RAM _IOWR(0, 0x81, struct hax_alloc_ram_info)
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#define HAX_VM_IOCTL_SET_RAM _IOWR(0, 0x82, struct hax_set_ram_info)
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#define HAX_VM_IOCTL_VCPU_DESTROY _IOR(0, 0x83, uint32_t)
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#define HAX_VM_IOCTL_ADD_RAMBLOCK _IOW(0, 0x85, struct hax_ramblock_info)
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#define HAX_VM_IOCTL_SET_RAM2 _IOWR(0, 0x86, struct hax_set_ram_info2)
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#define HAX_VM_IOCTL_PROTECT_RAM _IOWR(0, 0x87, struct hax_protect_ram_info)
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#define HAX_VCPU_IOCTL_RUN _IO(0, 0xc0)
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#define HAX_VCPU_IOCTL_SET_MSRS _IOWR(0, 0xc1, struct hax_msr_data)
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#define HAX_VCPU_IOCTL_GET_MSRS _IOWR(0, 0xc2, struct hax_msr_data)
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#define HAX_VCPU_IOCTL_SET_FPU _IOW(0, 0xc3, struct fx_layout)
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#define HAX_VCPU_IOCTL_GET_FPU _IOR(0, 0xc4, struct fx_layout)
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#define HAX_VCPU_IOCTL_SETUP_TUNNEL _IOWR(0, 0xc5, struct hax_tunnel_info)
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#define HAX_VCPU_IOCTL_INTERRUPT _IOWR(0, 0xc6, uint32_t)
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#define HAX_VCPU_SET_REGS _IOWR(0, 0xc7, struct vcpu_state_t)
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#define HAX_VCPU_GET_REGS _IOWR(0, 0xc8, struct vcpu_state_t)
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/* API 2.0 */
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#define HAX_VM_IOCTL_NOTIFY_QEMU_VERSION _IOW(0, 0x84, struct hax_qemu_version)
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#define HAX_IOCTL_VCPU_DEBUG _IOW(0, 0xc9, struct hax_debug_t)
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#ifdef _KERNEL
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#define HAX_KERNEL64_CS 0x80
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#define HAX_KERNEL32_CS 0x08
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#define is_compatible() 0
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struct hax_vm_netbsd_t;
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struct hax_vm_softc {
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device_t sc_dev;
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struct hax_vm_netbsd_t *vm;
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};
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struct hax_vcpu_netbsd_t;
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struct hax_vcpu_softc {
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device_t sc_dev;
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struct hax_vcpu_netbsd_t *vcpu;
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};
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struct vm_t;
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typedef struct hax_vm_netbsd_t {
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struct vm_t *cvm;
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int id;
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} hax_vm_netbsd_t;
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struct vcpu_t;
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typedef struct hax_vcpu_netbsd_t {
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struct vcpu_t *cvcpu;
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struct hax_vm_netbsd_t *vm;
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int id;
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} hax_vcpu_netbsd_t;
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#define unit2vmmid(u) (__SHIFTOUT(u, __BITS(4,6)))
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#define unit2vcpuid(u) (__SHIFTOUT(u, __BITS(0,3)))
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#define vmvcpu2unit(vm,vcpu) (__SHIFTIN(vm, __BITS(4,6)) | vcpu)
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#endif
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#endif // HAX_NETBSD_HAX_INTERFACE_NETBSD_H_

‎include/netbsd/hax_netbsd.h‎

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/*
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* Copyright (c) 2011 Intel Corporation
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* Copyright (c) 2018 Kamil Rytarowski
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef HAX_NETBSD_HAX_NETBSD_H_
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#define HAX_NETBSD_HAX_NETBSD_H_
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#define HAX_RAM_ENTRY_SIZE 0x4000000
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hax_spinlock *hax_spinlock_alloc_init(void);
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void hax_spinlock_free(hax_spinlock *lock);
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void hax_spin_lock(hax_spinlock *lock);
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void hax_spin_unlock(hax_spinlock *lock);
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hax_mutex hax_mutex_alloc_init(void);
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void hax_mutex_lock(hax_mutex lock);
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void hax_mutex_unlock(hax_mutex lock);
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void hax_mutex_free(hax_mutex lock);
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/* Return true if the bit is set already */
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int hax_test_and_set_bit(int bit, uint64_t *memory);
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/* Return true if the bit is cleared already */
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int hax_test_and_clear_bit(int bit, uint64_t *memory);
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/* Don't care for the big endian situation */
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static inline bool hax_test_bit(int bit, uint64_t *memory)
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{
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int byte = bit / 8;
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unsigned char *p;
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int offset = bit % 8;
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p = (unsigned char *)memory + byte;
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return !!(*p & (1 << offset));
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}
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// memcpy_s() is part of the optional Bounds Checking Interfaces specified in
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// Annex K of the C11 standard:
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// http://en.cppreference.com/w/c/string/byte/memcpy
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// However, it is not implemented by Clang:
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// https://stackoverflow.com/questions/40829032/how-to-install-c11-compiler-on-mac-os-with-optional-string-functions-included
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// Provide a simplified implementation here so memcpy_s() can be used instead of
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// memcpy() everywhere else, which helps reduce the number of Klocwork warnings.
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static inline int memcpy_s(void *dest, size_t destsz, const void *src,
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size_t count)
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{
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char *dest_start = (char *)dest;
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char *dest_end = (char *)dest + destsz;
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char *src_start = (char *)src;
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char *src_end = (char *)src + count;
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bool overlap;
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if (count == 0)
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return 0;
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if (!dest || destsz == 0)
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return -EINVAL;
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overlap = src_start < dest_start
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? dest_start < src_end : src_start < dest_end;
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if (!src || count > destsz || overlap) {
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memset(dest, 0, destsz);
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return -EINVAL;
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}
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memcpy(dest, src, count);
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return 0;
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}
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bool hax_cmpxchg32(uint32_t old_val, uint32_t new_val, volatile uint32_t *addr);
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bool hax_cmpxchg64(uint64_t old_val, uint64_t new_val, volatile uint64_t *addr);
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static inline bool cpu_is_online(int cpu)
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{
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if (cpu < 0 || cpu >= max_cpus)
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return 0;
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return !!(((mword)1 << cpu) & cpu_online_map);
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}
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int hax_notify_host_event(enum hax_notify_event event, uint32_t *param,
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uint32_t size);
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extern int default_hax_log_level;
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void hax_error(char *fmt, ...);
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void hax_warning(char *fmt, ...);
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void hax_info(char *fmt, ...);
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void hax_debug(char *fmt, ...);
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void hax_log(char *fmt, ...);
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#define hax_log hax_info
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#define hax_panic panic
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#define hax_assert(condition) KASSERT(condition)
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#endif // HAX_NETBSD_HAX_NETBSD_H_

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