X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm.c;h=a0e2fc7ff4f870aa87c60b00109727cb341d5123;hb=1f5b9287e61b8a4164f81e52dccf3ddd59a891f8;hp=9ac1597fdf208071b62f56f57aafcfcb003a2bc3;hpb=a1e0475bbefa968791679c5e71232ddca522868b;p=palacios.git diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c index 9ac1597..a0e2fc7 100644 --- a/palacios/src/palacios/vmm.c +++ b/palacios/src/palacios/vmm.c @@ -1,45 +1,102 @@ +/* + * This file is part of the Palacios Virtual Machine Monitor developed + * by the V3VEE Project with funding from the United States National + * Science Foundation and the Department of Energy. + * + * The V3VEE Project is a joint project between Northwestern University + * and the University of New Mexico. You can find out more at + * http://www.v3vee.org + * + * Copyright (c) 2008, Jack Lange + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * This is free software. You are permitted to use, + * redistribute, and modify it as specified in the file "V3VEE_LICENSE". + */ + #include #include #include #include #include #include +#include +#include +#include + +/* These should be the only global variables in Palacios */ +/* They are architecture specific variables */ v3_cpu_arch_t v3_cpu_type; -struct vmm_os_hooks * os_hooks = NULL; +struct v3_os_hooks * os_hooks = NULL; + + + +static struct guest_info * allocate_guest() { + void * info = V3_Malloc(sizeof(struct guest_info)); + memset(info, 0, sizeof(struct guest_info)); + return info; +} + +void Init_V3(struct v3_os_hooks * hooks, struct v3_ctrl_ops * vmm_ops) { + + // Set global variables. + os_hooks = hooks; + v3_cpu_type = V3_INVALID_CPU; -void * allocate_guest() { - void * info = V3_Malloc(sizeof(struct guest_info)); - memset(info, 0, sizeof(struct guest_info)); - return info; + +#ifdef INSTRUMENT_VMM + v3_init_instrumentation(); +#endif + + 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); + } else { + PrintDebug("CPU has no virtualization Extensions\n"); + } } -void Init_V3(struct vmm_os_hooks * hooks, struct vmm_ctrl_ops * vmm_ops) { - os_hooks = hooks; +#ifdef __V3_32BIT__ - v3_cpu_type = V3_INVALID_CPU; +v3_cpu_mode_t v3_get_host_cpu_mode() { + uint32_t cr4_val; + struct cr4_32 * cr4; - if (is_svm_capable()) { + __asm__ ( + "movl %%cr4, %0; " + : "=r"(cr4_val) + ); - PrintDebug("Machine is SVM Capable\n"); - vmm_ops->allocate_guest = &allocate_guest; - vmm_ops->config_guest = &config_guest; - Init_SVM(vmm_ops); + + cr4 = (struct cr4_32 *)&(cr4_val); - /* - } 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"); - } + if (cr4->pae == 1) { + return PROTECTED_PAE; + } else { + return PROTECTED; + } } +#elif __V3_64BIT__ + +v3_cpu_mode_t v3_get_host_cpu_mode() { + return LONG; +} -// Get CPU Type.. +#endif