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authorPaolo Bonzini <pbonzini@redhat.com>2010-04-19 18:59:30 +0000
committerBlue Swirl <blauwirbel@gmail.com>2010-04-19 18:59:30 +0000
commit98c8573eb37bf5d7bb0c07225985a78537c73101 (patch)
treec709ea4646f51f34804bbf8de7dc1245254334b2 /kvm-stub.c
parentc66b5c2cb6bf5ab9869bf0739ff3cdf143ab778c (diff)
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provide a stub version of kvm-all.c if !CONFIG_KVM
This allows limited use of kvm functions (which will return ENOSYS) even in once-compiled modules. The patch also improves a bit the error messages for KVM initialization. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> [blauwirbel@gmail.com: fixed Win32 build] Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'kvm-stub.c')
-rw-r--r--kvm-stub.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/kvm-stub.c b/kvm-stub.c
new file mode 100644
index 0000000..7be5f5d
--- /dev/null
+++ b/kvm-stub.c
@@ -0,0 +1,137 @@
+/*
+ * QEMU KVM stub
+ *
+ * Copyright Red Hat, Inc. 2010
+ *
+ * Author: Paolo Bonzini <pbonzini@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu-common.h"
+#include "sysemu.h"
+#include "hw/hw.h"
+#include "gdbstub.h"
+#include "kvm.h"
+
+int kvm_irqchip_in_kernel(void)
+{
+ return 0;
+}
+
+int kvm_pit_in_kernel(void)
+{
+ return 0;
+}
+
+
+int kvm_init_vcpu(CPUState *env)
+{
+ return -ENOSYS;
+}
+
+int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size)
+{
+ return -ENOSYS;
+}
+
+int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size)
+{
+ return -ENOSYS;
+}
+
+int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
+{
+ return -ENOSYS;
+}
+
+int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
+{
+ return -ENOSYS;
+}
+
+int kvm_check_extension(KVMState *s, unsigned int extension)
+{
+ return 0;
+}
+
+int kvm_init(int smp_cpus)
+{
+ return -ENOSYS;
+}
+
+void kvm_flush_coalesced_mmio_buffer(void)
+{
+}
+
+void kvm_cpu_synchronize_state(CPUState *env)
+{
+}
+
+void kvm_cpu_synchronize_post_reset(CPUState *env)
+{
+}
+
+void kvm_cpu_synchronize_post_init(CPUState *env)
+{
+}
+
+int kvm_cpu_exec(CPUState *env)
+{
+ abort ();
+}
+
+int kvm_has_sync_mmu(void)
+{
+ return 0;
+}
+
+int kvm_has_vcpu_events(void)
+{
+ return 0;
+}
+
+int kvm_has_robust_singlestep(void)
+{
+ return 0;
+}
+
+void kvm_setup_guest_memory(void *start, size_t size)
+{
+}
+
+int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap)
+{
+ tb_flush(env);
+ return 0;
+}
+
+int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
+ target_ulong len, int type)
+{
+ return -EINVAL;
+}
+
+int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
+ target_ulong len, int type)
+{
+ return -EINVAL;
+}
+
+void kvm_remove_all_breakpoints(CPUState *current_env)
+{
+}
+
+#ifndef _WIN32
+int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset)
+{
+ abort();
+}
+#endif
+
+int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
+{
+ return -ENOSYS;
+}