#include <palacios/vmm_lowlevel.h>
-/* These should be the only global variables in Palacios */
-/* They are architecture specific variables */
+
+
v3_cpu_arch_t v3_cpu_type;
struct v3_os_hooks * os_hooks = NULL;
os_hooks = hooks;
v3_cpu_type = V3_INVALID_CPU;
+ // Register all the possible device types
+ v3_init_devices();
+
#ifdef INSTRUMENT_VMM
v3_init_instrumentation();
#endif
- if (v3_is_svm_capable()) {
+ vmm_ops->allocate_guest = &allocate_guest;
+ if (v3_is_svm_capable()) {
PrintDebug("Machine is SVM Capable\n");
- vmm_ops->allocate_guest = &allocate_guest;
v3_init_SVM(vmm_ops);
-
-
} else if (v3_is_vmx_capable()) {
PrintDebug("Machine is VMX Capable\n");
v3_init_vmx(vmm_ops);
#endif
+
+#define V3_Yield(addr) \
+ do { \
+ extern struct v3_os_hooks * os_hooks; \
+ if ((os_hooks) && (os_hooks)->yield_cpu) { \
+ (os_hooks)->yield_cpu(); \
+ } \
+ } while (0) \
+
+
+void v3_yield_cond(struct guest_info * info) {
+ uint64_t cur_cycle;
+ rdtscll(cur_cycle);
+
+ if (cur_cycle > (info->yield_start_cycle + info->yield_cycle_period)) {
+
+ /*
+ PrintDebug("Conditional Yield (cur_cyle=%p, start_cycle=%p, period=%p)\n",
+ (void *)cur_cycle, (void *)info->yield_start_cycle, (void *)info->yield_cycle_period);
+ */
+ V3_Yield();
+ rdtscll(info->yield_start_cycle);
+ }
+}
+
+void v3_yield(struct guest_info * info) {
+ V3_Yield();
+ rdtscll(info->yield_start_cycle);
+}