kvm: selftests: add sync_regs_test
This includes the infrastructure to map the test into the guest and run code from the test program inside a VM. Signed-off-by: Ken Hofsass <hofsass@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>hifive-unleashed-5.1
Paolo Bonzini
parent
783e9e5126
commit
6089ae0bd5
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@ -3,10 +3,11 @@ all:
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top_srcdir = ../../../../
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UNAME_M := $(shell uname -m)
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LIBKVM = lib/assert.c lib/kvm_util.c lib/sparsebit.c
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LIBKVM = lib/assert.c lib/elf.c lib/io.c lib/kvm_util.c lib/sparsebit.c
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LIBKVM_x86_64 = lib/x86.c
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TEST_GEN_PROGS_x86_64 = set_sregs_test
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TEST_GEN_PROGS_x86_64 += sync_regs_test
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TEST_GEN_PROGS += $(TEST_GEN_PROGS_$(UNAME_M))
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LIBKVM += $(LIBKVM_$(UNAME_M))
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@ -57,6 +57,9 @@ void kvm_vm_free(struct kvm_vm *vmp);
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int kvm_memcmp_hva_gva(void *hva,
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struct kvm_vm *vm, const vm_vaddr_t gva, size_t len);
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void kvm_vm_elf_load(struct kvm_vm *vm, const char *filename,
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uint32_t data_memslot, uint32_t pgd_memslot);
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void vm_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent);
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void vcpu_dump(FILE *stream, struct kvm_vm *vm,
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uint32_t vcpuid, uint8_t indent);
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@ -0,0 +1,197 @@
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/*
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* tools/testing/selftests/kvm/lib/elf.c
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*
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* Copyright (C) 2018, Google LLC.
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*
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* This work is licensed under the terms of the GNU GPL, version 2.
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*/
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#include "test_util.h"
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#include <bits/endian.h>
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#include <linux/elf.h>
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#include "kvm_util.h"
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#include "kvm_util_internal.h"
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static void elfhdr_get(const char *filename, Elf64_Ehdr *hdrp)
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{
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off_t offset_rv;
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/* Open the ELF file. */
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int fd;
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fd = open(filename, O_RDONLY);
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TEST_ASSERT(fd >= 0, "Failed to open ELF file,\n"
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" filename: %s\n"
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" rv: %i errno: %i", filename, fd, errno);
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/* Read in and validate ELF Identification Record.
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* The ELF Identification record is the first 16 (EI_NIDENT) bytes
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* of the ELF header, which is at the beginning of the ELF file.
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* For now it is only safe to read the first EI_NIDENT bytes. Once
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* read and validated, the value of e_ehsize can be used to determine
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* the real size of the ELF header.
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*/
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unsigned char ident[EI_NIDENT];
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test_read(fd, ident, sizeof(ident));
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TEST_ASSERT((ident[EI_MAG0] == ELFMAG0) && (ident[EI_MAG1] == ELFMAG1)
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&& (ident[EI_MAG2] == ELFMAG2) && (ident[EI_MAG3] == ELFMAG3),
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"ELF MAGIC Mismatch,\n"
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" filename: %s\n"
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" ident[EI_MAG0 - EI_MAG3]: %02x %02x %02x %02x\n"
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" Expected: %02x %02x %02x %02x",
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filename,
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ident[EI_MAG0], ident[EI_MAG1], ident[EI_MAG2], ident[EI_MAG3],
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ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3);
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TEST_ASSERT(ident[EI_CLASS] == ELFCLASS64,
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"Current implementation only able to handle ELFCLASS64,\n"
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" filename: %s\n"
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" ident[EI_CLASS]: %02x\n"
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" expected: %02x",
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filename,
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ident[EI_CLASS], ELFCLASS64);
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TEST_ASSERT(((BYTE_ORDER == LITTLE_ENDIAN)
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&& (ident[EI_DATA] == ELFDATA2LSB))
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|| ((BYTE_ORDER == BIG_ENDIAN)
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&& (ident[EI_DATA] == ELFDATA2MSB)), "Current "
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"implementation only able to handle\n"
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"cases where the host and ELF file endianness\n"
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"is the same:\n"
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" host BYTE_ORDER: %u\n"
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" host LITTLE_ENDIAN: %u\n"
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" host BIG_ENDIAN: %u\n"
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" ident[EI_DATA]: %u\n"
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" ELFDATA2LSB: %u\n"
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" ELFDATA2MSB: %u",
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BYTE_ORDER, LITTLE_ENDIAN, BIG_ENDIAN,
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ident[EI_DATA], ELFDATA2LSB, ELFDATA2MSB);
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TEST_ASSERT(ident[EI_VERSION] == EV_CURRENT,
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"Current implementation only able to handle current "
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"ELF version,\n"
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" filename: %s\n"
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" ident[EI_VERSION]: %02x\n"
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" expected: %02x",
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filename, ident[EI_VERSION], EV_CURRENT);
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/* Read in the ELF header.
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* With the ELF Identification portion of the ELF header
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* validated, especially that the value at EI_VERSION is
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* as expected, it is now safe to read the entire ELF header.
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*/
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offset_rv = lseek(fd, 0, SEEK_SET);
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TEST_ASSERT(offset_rv == 0, "Seek to ELF header failed,\n"
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" rv: %zi expected: %i", offset_rv, 0);
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test_read(fd, hdrp, sizeof(*hdrp));
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TEST_ASSERT(hdrp->e_phentsize == sizeof(Elf64_Phdr),
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"Unexpected physical header size,\n"
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" hdrp->e_phentsize: %x\n"
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" expected: %zx",
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hdrp->e_phentsize, sizeof(Elf64_Phdr));
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TEST_ASSERT(hdrp->e_shentsize == sizeof(Elf64_Shdr),
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"Unexpected section header size,\n"
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" hdrp->e_shentsize: %x\n"
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" expected: %zx",
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hdrp->e_shentsize, sizeof(Elf64_Shdr));
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}
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/* VM ELF Load
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*
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* Input Args:
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* filename - Path to ELF file
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*
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* Output Args: None
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*
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* Input/Output Args:
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* vm - Pointer to opaque type that describes the VM.
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*
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* Return: None, TEST_ASSERT failures for all error conditions
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*
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* Loads the program image of the ELF file specified by filename,
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* into the virtual address space of the VM pointed to by vm. On entry
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* the VM needs to not be using any of the virtual address space used
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* by the image and it needs to have sufficient available physical pages, to
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* back the virtual pages used to load the image.
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*/
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void kvm_vm_elf_load(struct kvm_vm *vm, const char *filename,
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uint32_t data_memslot, uint32_t pgd_memslot)
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{
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off_t offset, offset_rv;
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Elf64_Ehdr hdr;
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/* Open the ELF file. */
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int fd;
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fd = open(filename, O_RDONLY);
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TEST_ASSERT(fd >= 0, "Failed to open ELF file,\n"
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" filename: %s\n"
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" rv: %i errno: %i", filename, fd, errno);
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/* Read in the ELF header. */
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elfhdr_get(filename, &hdr);
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/* For each program header.
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* The following ELF header members specify the location
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* and size of the program headers:
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*
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* e_phoff - File offset to start of program headers
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* e_phentsize - Size of each program header
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* e_phnum - Number of program header entries
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*/
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for (unsigned int n1 = 0; n1 < hdr.e_phnum; n1++) {
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/* Seek to the beginning of the program header. */
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offset = hdr.e_phoff + (n1 * hdr.e_phentsize);
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offset_rv = lseek(fd, offset, SEEK_SET);
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TEST_ASSERT(offset_rv == offset,
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"Failed to seek to begining of program header %u,\n"
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" filename: %s\n"
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" rv: %jd errno: %i",
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n1, filename, (intmax_t) offset_rv, errno);
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/* Read in the program header. */
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Elf64_Phdr phdr;
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test_read(fd, &phdr, sizeof(phdr));
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/* Skip if this header doesn't describe a loadable segment. */
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if (phdr.p_type != PT_LOAD)
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continue;
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/* Allocate memory for this segment within the VM. */
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TEST_ASSERT(phdr.p_memsz > 0, "Unexpected loadable segment "
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"memsize of 0,\n"
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" phdr index: %u p_memsz: 0x%" PRIx64,
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n1, (uint64_t) phdr.p_memsz);
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vm_vaddr_t seg_vstart = phdr.p_vaddr;
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seg_vstart &= ~(vm_vaddr_t)(vm->page_size - 1);
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vm_vaddr_t seg_vend = phdr.p_vaddr + phdr.p_memsz - 1;
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seg_vend |= vm->page_size - 1;
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size_t seg_size = seg_vend - seg_vstart + 1;
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vm_vaddr_t vaddr = vm_vaddr_alloc(vm, seg_size, seg_vstart,
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data_memslot, pgd_memslot);
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TEST_ASSERT(vaddr == seg_vstart, "Unable to allocate "
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"virtual memory for segment at requested min addr,\n"
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" segment idx: %u\n"
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" seg_vstart: 0x%lx\n"
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" vaddr: 0x%lx",
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n1, seg_vstart, vaddr);
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memset(addr_gva2hva(vm, vaddr), 0, seg_size);
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/* TODO(lhuemill): Set permissions of each memory segment
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* based on the least-significant 3 bits of phdr.p_flags.
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*/
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/* Load portion of initial state that is contained within
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* the ELF file.
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*/
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if (phdr.p_filesz) {
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offset_rv = lseek(fd, phdr.p_offset, SEEK_SET);
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TEST_ASSERT(offset_rv == phdr.p_offset,
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"Seek to program segment offset failed,\n"
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" program header idx: %u errno: %i\n"
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" offset_rv: 0x%jx\n"
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" expected: 0x%jx\n",
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n1, errno, (intmax_t) offset_rv,
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(intmax_t) phdr.p_offset);
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test_read(fd, addr_gva2hva(vm, phdr.p_vaddr),
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phdr.p_filesz);
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}
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}
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}
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@ -0,0 +1,158 @@
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/*
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* tools/testing/selftests/kvm/lib/io.c
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*
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* Copyright (C) 2018, Google LLC.
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*
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* This work is licensed under the terms of the GNU GPL, version 2.
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*/
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#include "test_util.h"
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/* Test Write
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*
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* A wrapper for write(2), that automatically handles the following
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* special conditions:
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*
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* + Interrupted system call (EINTR)
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* + Write of less than requested amount
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* + Non-block return (EAGAIN)
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*
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* For each of the above, an additional write is performed to automatically
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* continue writing the requested data.
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* There are also many cases where write(2) can return an unexpected
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* error (e.g. EIO). Such errors cause a TEST_ASSERT failure.
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*
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* Note, for function signature compatibility with write(2), this function
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* returns the number of bytes written, but that value will always be equal
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* to the number of requested bytes. All other conditions in this and
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* future enhancements to this function either automatically issue another
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* write(2) or cause a TEST_ASSERT failure.
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*
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* Args:
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* fd - Opened file descriptor to file to be written.
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* count - Number of bytes to write.
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*
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* Output:
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* buf - Starting address of data to be written.
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*
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* Return:
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* On success, number of bytes written.
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* On failure, a TEST_ASSERT failure is caused.
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*/
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ssize_t test_write(int fd, const void *buf, size_t count)
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{
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ssize_t rc;
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ssize_t num_written = 0;
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size_t num_left = count;
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const char *ptr = buf;
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/* Note: Count of zero is allowed (see "RETURN VALUE" portion of
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* write(2) manpage for details.
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*/
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TEST_ASSERT(count >= 0, "Unexpected count, count: %li", count);
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do {
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rc = write(fd, ptr, num_left);
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switch (rc) {
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case -1:
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TEST_ASSERT(errno == EAGAIN || errno == EINTR,
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"Unexpected write failure,\n"
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" rc: %zi errno: %i", rc, errno);
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continue;
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case 0:
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TEST_ASSERT(false, "Unexpected EOF,\n"
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" rc: %zi num_written: %zi num_left: %zu",
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rc, num_written, num_left);
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break;
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default:
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TEST_ASSERT(rc >= 0, "Unexpected ret from write,\n"
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" rc: %zi errno: %i", rc, errno);
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num_written += rc;
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num_left -= rc;
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ptr += rc;
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break;
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}
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} while (num_written < count);
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return num_written;
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}
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/* Test Read
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*
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* A wrapper for read(2), that automatically handles the following
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* special conditions:
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*
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* + Interrupted system call (EINTR)
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* + Read of less than requested amount
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* + Non-block return (EAGAIN)
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*
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* For each of the above, an additional read is performed to automatically
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* continue reading the requested data.
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* There are also many cases where read(2) can return an unexpected
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* error (e.g. EIO). Such errors cause a TEST_ASSERT failure. Note,
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* it is expected that the file opened by fd at the current file position
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* contains at least the number of requested bytes to be read. A TEST_ASSERT
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* failure is produced if an End-Of-File condition occurs, before all the
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* data is read. It is the callers responsibility to assure that sufficient
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* data exists.
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*
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* Note, for function signature compatibility with read(2), this function
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* returns the number of bytes read, but that value will always be equal
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* to the number of requested bytes. All other conditions in this and
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* future enhancements to this function either automatically issue another
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* read(2) or cause a TEST_ASSERT failure.
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*
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* Args:
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* fd - Opened file descriptor to file to be read.
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* count - Number of bytes to read.
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*
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* Output:
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* buf - Starting address of where to write the bytes read.
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*
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* Return:
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* On success, number of bytes read.
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* On failure, a TEST_ASSERT failure is caused.
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*/
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ssize_t test_read(int fd, void *buf, size_t count)
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{
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ssize_t rc;
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ssize_t num_read = 0;
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size_t num_left = count;
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char *ptr = buf;
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/* Note: Count of zero is allowed (see "If count is zero" portion of
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* read(2) manpage for details.
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*/
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TEST_ASSERT(count >= 0, "Unexpected count, count: %li", count);
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do {
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rc = read(fd, ptr, num_left);
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switch (rc) {
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case -1:
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TEST_ASSERT(errno == EAGAIN || errno == EINTR,
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"Unexpected read failure,\n"
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" rc: %zi errno: %i", rc, errno);
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break;
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case 0:
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TEST_ASSERT(false, "Unexpected EOF,\n"
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" rc: %zi num_read: %zi num_left: %zu",
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rc, num_read, num_left);
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break;
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default:
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TEST_ASSERT(rc > 0, "Unexpected ret from read,\n"
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" rc: %zi errno: %i", rc, errno);
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num_read += rc;
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num_left -= rc;
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ptr += rc;
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break;
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}
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} while (num_read < count);
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return num_read;
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}
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@ -687,6 +687,9 @@ struct kvm_vm *vm_create_default(uint32_t vcpuid, void *guest_code)
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/* Create VM */
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vm = vm_create(VM_MODE_FLAT48PG, DEFAULT_GUEST_PHY_PAGES, O_RDWR);
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/* Setup guest code */
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kvm_vm_elf_load(vm, program_invocation_name, 0, 0);
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/* Setup IRQ Chip */
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vm_create_irqchip(vm);
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@ -0,0 +1,232 @@
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/*
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* Test for x86 KVM_CAP_SYNC_REGS
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*
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* Copyright (C) 2018, Google LLC.
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*
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* This work is licensed under the terms of the GNU GPL, version 2.
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*
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* Verifies expected behavior of x86 KVM_CAP_SYNC_REGS functionality,
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* including requesting an invalid register set, updates to/from values
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* in kvm_run.s.regs when kvm_valid_regs and kvm_dirty_regs are toggled.
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*/
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#define _GNU_SOURCE /* for program_invocation_short_name */
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include "test_util.h"
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#include "kvm_util.h"
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#include "x86.h"
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#define VCPU_ID 5
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#define PORT_HOST_SYNC 0x1000
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static void __exit_to_l0(uint16_t port, uint64_t arg0, uint64_t arg1)
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{
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__asm__ __volatile__("in %[port], %%al"
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:
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: [port]"d"(port), "D"(arg0), "S"(arg1)
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: "rax");
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}
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#define exit_to_l0(_port, _arg0, _arg1) \
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__exit_to_l0(_port, (uint64_t) (_arg0), (uint64_t) (_arg1))
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#define GUEST_ASSERT(_condition) do { \
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if (!(_condition)) \
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exit_to_l0(PORT_ABORT, "Failed guest assert: " #_condition, 0);\
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} while (0)
|
||||
|
||||
void guest_code(void)
|
||||
{
|
||||
for (;;) {
|
||||
exit_to_l0(PORT_HOST_SYNC, "hello", 0);
|
||||
asm volatile ("inc %r11");
|
||||
}
|
||||
}
|
||||
|
||||
static void compare_regs(struct kvm_regs *left, struct kvm_regs *right)
|
||||
{
|
||||
#define REG_COMPARE(reg) \
|
||||
TEST_ASSERT(left->reg == right->reg, \
|
||||
"Register " #reg \
|
||||
" values did not match: 0x%llx, 0x%llx\n", \
|
||||
left->reg, right->reg)
|
||||
REG_COMPARE(rax);
|
||||
REG_COMPARE(rbx);
|
||||
REG_COMPARE(rcx);
|
||||
REG_COMPARE(rdx);
|
||||
REG_COMPARE(rsi);
|
||||
REG_COMPARE(rdi);
|
||||
REG_COMPARE(rsp);
|
||||
REG_COMPARE(rbp);
|
||||
REG_COMPARE(r8);
|
||||
REG_COMPARE(r9);
|
||||
REG_COMPARE(r10);
|
||||
REG_COMPARE(r11);
|
||||
REG_COMPARE(r12);
|
||||
REG_COMPARE(r13);
|
||||
REG_COMPARE(r14);
|
||||
REG_COMPARE(r15);
|
||||
REG_COMPARE(rip);
|
||||
REG_COMPARE(rflags);
|
||||
#undef REG_COMPARE
|
||||
}
|
||||
|
||||
static void compare_sregs(struct kvm_sregs *left, struct kvm_sregs *right)
|
||||
{
|
||||
}
|
||||
|
||||
static void compare_vcpu_events(struct kvm_vcpu_events *left,
|
||||
struct kvm_vcpu_events *right)
|
||||
{
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
struct kvm_vm *vm;
|
||||
struct kvm_run *run;
|
||||
struct kvm_regs regs;
|
||||
struct kvm_sregs sregs;
|
||||
struct kvm_vcpu_events events;
|
||||
int rv, cap;
|
||||
|
||||
/* Tell stdout not to buffer its content */
|
||||
setbuf(stdout, NULL);
|
||||
|
||||
cap = kvm_check_cap(KVM_CAP_SYNC_REGS);
|
||||
TEST_ASSERT((unsigned long)cap == KVM_SYNC_X86_VALID_FIELDS,
|
||||
"KVM_CAP_SYNC_REGS (0x%x) != KVM_SYNC_X86_VALID_FIELDS (0x%lx)\n",
|
||||
cap, KVM_SYNC_X86_VALID_FIELDS);
|
||||
|
||||
/* Create VM */
|
||||
vm = vm_create_default(VCPU_ID, guest_code);
|
||||
|
||||
run = vcpu_state(vm, VCPU_ID);
|
||||
|
||||
/* Request reading invalid register set from VCPU. */
|
||||
run->kvm_valid_regs = KVM_SYNC_X86_VALID_FIELDS << 1;
|
||||
rv = _vcpu_run(vm, VCPU_ID);
|
||||
TEST_ASSERT(rv < 0 && errno == EINVAL,
|
||||
"Invalid kvm_valid_regs did not cause expected KVM_RUN error: %d\n",
|
||||
rv);
|
||||
vcpu_state(vm, VCPU_ID)->kvm_valid_regs = 0;
|
||||
|
||||
/* Request setting invalid register set into VCPU. */
|
||||
run->kvm_dirty_regs = KVM_SYNC_X86_VALID_FIELDS << 1;
|
||||
rv = _vcpu_run(vm, VCPU_ID);
|
||||
TEST_ASSERT(rv < 0 && errno == EINVAL,
|
||||
"Invalid kvm_dirty_regs did not cause expected KVM_RUN error: %d\n",
|
||||
rv);
|
||||
vcpu_state(vm, VCPU_ID)->kvm_dirty_regs = 0;
|
||||
|
||||
/* Request and verify all valid register sets. */
|
||||
/* TODO: BUILD TIME CHECK: TEST_ASSERT(KVM_SYNC_X86_NUM_FIELDS != 3); */
|
||||
run->kvm_valid_regs = KVM_SYNC_X86_VALID_FIELDS;
|
||||
rv = _vcpu_run(vm, VCPU_ID);
|
||||
TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
|
||||
"Unexpected exit reason: %u (%s),\n",
|
||||
run->exit_reason,
|
||||
exit_reason_str(run->exit_reason));
|
||||
|
||||
vcpu_regs_get(vm, VCPU_ID, ®s);
|
||||
compare_regs(®s, &run->s.regs.regs);
|
||||
|
||||
vcpu_sregs_get(vm, VCPU_ID, &sregs);
|
||||
compare_sregs(&sregs, &run->s.regs.sregs);
|
||||
|
||||
vcpu_events_get(vm, VCPU_ID, &events);
|
||||
compare_vcpu_events(&events, &run->s.regs.events);
|
||||
|
||||
/* Set and verify various register values. */
|
||||
run->s.regs.regs.r11 = 0xBAD1DEA;
|
||||
run->s.regs.sregs.apic_base = 1 << 11;
|
||||
/* TODO run->s.regs.events.XYZ = ABC; */
|
||||
|
||||
run->kvm_valid_regs = KVM_SYNC_X86_VALID_FIELDS;
|
||||
run->kvm_dirty_regs = KVM_SYNC_X86_REGS | KVM_SYNC_X86_SREGS;
|
||||
rv = _vcpu_run(vm, VCPU_ID);
|
||||
TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
|
||||
"Unexpected exit reason: %u (%s),\n",
|
||||
run->exit_reason,
|
||||
exit_reason_str(run->exit_reason));
|
||||
TEST_ASSERT(run->s.regs.regs.r11 == 0xBAD1DEA + 1,
|
||||
"r11 sync regs value incorrect 0x%llx.",
|
||||
run->s.regs.regs.r11);
|
||||
TEST_ASSERT(run->s.regs.sregs.apic_base == 1 << 11,
|
||||
"apic_base sync regs value incorrect 0x%llx.",
|
||||
run->s.regs.sregs.apic_base);
|
||||
|
||||
vcpu_regs_get(vm, VCPU_ID, ®s);
|
||||
compare_regs(®s, &run->s.regs.regs);
|
||||
|
||||
vcpu_sregs_get(vm, VCPU_ID, &sregs);
|
||||
compare_sregs(&sregs, &run->s.regs.sregs);
|
||||
|
||||
vcpu_events_get(vm, VCPU_ID, &events);
|
||||
compare_vcpu_events(&events, &run->s.regs.events);
|
||||
|
||||
/* Clear kvm_dirty_regs bits, verify new s.regs values are
|
||||
* overwritten with existing guest values.
|
||||
*/
|
||||
run->kvm_valid_regs = KVM_SYNC_X86_VALID_FIELDS;
|
||||
run->kvm_dirty_regs = 0;
|
||||
run->s.regs.regs.r11 = 0xDEADBEEF;
|
||||
rv = _vcpu_run(vm, VCPU_ID);
|
||||
TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
|
||||
"Unexpected exit reason: %u (%s),\n",
|
||||
run->exit_reason,
|
||||
exit_reason_str(run->exit_reason));
|
||||
TEST_ASSERT(run->s.regs.regs.r11 != 0xDEADBEEF,
|
||||
"r11 sync regs value incorrect 0x%llx.",
|
||||
run->s.regs.regs.r11);
|
||||
|
||||
/* Clear kvm_valid_regs bits and kvm_dirty_bits.
|
||||
* Verify s.regs values are not overwritten with existing guest values
|
||||
* and that guest values are not overwritten with kvm_sync_regs values.
|
||||
*/
|
||||
run->kvm_valid_regs = 0;
|
||||
run->kvm_dirty_regs = 0;
|
||||
run->s.regs.regs.r11 = 0xAAAA;
|
||||
regs.r11 = 0xBAC0;
|
||||
vcpu_regs_set(vm, VCPU_ID, ®s);
|
||||
rv = _vcpu_run(vm, VCPU_ID);
|
||||
TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
|
||||
"Unexpected exit reason: %u (%s),\n",
|
||||
run->exit_reason,
|
||||
exit_reason_str(run->exit_reason));
|
||||
TEST_ASSERT(run->s.regs.regs.r11 == 0xAAAA,
|
||||
"r11 sync regs value incorrect 0x%llx.",
|
||||
run->s.regs.regs.r11);
|
||||
vcpu_regs_get(vm, VCPU_ID, ®s);
|
||||
TEST_ASSERT(regs.r11 == 0xBAC0 + 1,
|
||||
"r11 guest value incorrect 0x%llx.",
|
||||
regs.r11);
|
||||
|
||||
/* Clear kvm_valid_regs bits. Verify s.regs values are not overwritten
|
||||
* with existing guest values but that guest values are overwritten
|
||||
* with kvm_sync_regs values.
|
||||
*/
|
||||
run->kvm_valid_regs = 0;
|
||||
run->kvm_dirty_regs = KVM_SYNC_X86_VALID_FIELDS;
|
||||
run->s.regs.regs.r11 = 0xBBBB;
|
||||
rv = _vcpu_run(vm, VCPU_ID);
|
||||
TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
|
||||
"Unexpected exit reason: %u (%s),\n",
|
||||
run->exit_reason,
|
||||
exit_reason_str(run->exit_reason));
|
||||
TEST_ASSERT(run->s.regs.regs.r11 == 0xBBBB,
|
||||
"r11 sync regs value incorrect 0x%llx.",
|
||||
run->s.regs.regs.r11);
|
||||
vcpu_regs_get(vm, VCPU_ID, ®s);
|
||||
TEST_ASSERT(regs.r11 == 0xBBBB + 1,
|
||||
"r11 guest value incorrect 0x%llx.",
|
||||
regs.r11);
|
||||
|
||||
kvm_vm_free(vm);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue