xemu/kvm-stub.c
Paolo Bonzini 98c8573eb3 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>
2010-04-19 18:59:30 +00:00

138 lines
2.1 KiB
C

/*
* 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;
}