X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm.c;h=2af99d273b524d667287ef943fdd6aa8cfe3fc8a;hb=52e81251f82ccaf516e3ed626c8abbcc9fbe3f41;hp=4a71a118bfe20f5a5e541f1d1283e0176b8a82d3;hpb=1316eb77b6d89245583446dab3345f749c415764;p=palacios.git diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c index 4a71a11..2af99d2 100644 --- a/palacios/src/palacios/vmm.c +++ b/palacios/src/palacios/vmm.c @@ -18,8 +18,6 @@ */ #include -#include -//#include #include #include #include @@ -27,9 +25,14 @@ #include #include +#ifdef CONFIG_SVM +#include +#endif +#ifdef CONFIG_VMX +#include +#endif + -/* 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; @@ -49,24 +52,32 @@ void Init_V3(struct v3_os_hooks * hooks, struct v3_ctrl_ops * vmm_ops) { 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; - PrintDebug("Machine is SVM Capable\n"); - vmm_ops->allocate_guest = &allocate_guest; - v3_init_SVM(vmm_ops); +#ifdef CONFIG_SVM + if (v3_is_svm_capable()) { + PrintDebug("Machine is SVM Capable\n"); + v3_init_SVM(vmm_ops); - /* - } else if (is_vmx_capable()) { - vmm_cpu_type = VMM_VMX_CPU; - PrintDebug("Machine is VMX Capable\n"); - //Init_VMX();*/ - } else { - PrintDebug("CPU has no virtualization Extensions\n"); + } else +#endif +#ifdef CONFIG_VMX + if (v3_is_vmx_capable()) { + PrintDebug("Machine is VMX Capable\n"); + v3_init_vmx(vmm_ops); + + } else +#endif + { + PrintError("CPU has no virtualization Extensions\n"); } } @@ -101,3 +112,42 @@ v3_cpu_mode_t v3_get_host_cpu_mode() { #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); +} + + + +void v3_interrupt_cpu(struct guest_info * info, int logical_cpu) { + extern struct v3_os_hooks * os_hooks; + + if ((os_hooks) && (os_hooks)->interrupt_cpu) { + (os_hooks)->interrupt_cpu(info, logical_cpu); + } +}