X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm.c;h=a0e2fc7ff4f870aa87c60b00109727cb341d5123;hb=1f5b9287e61b8a4164f81e52dccf3ddd59a891f8;hp=b7429b07ff41843e354d5ca3fc7e20b8be3d0cbd;hpb=4f7c3b759e3889870c5b5e7d09b3ffcc168e5632;p=palacios.git diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c index b7429b0..a0e2fc7 100644 --- a/palacios/src/palacios/vmm.c +++ b/palacios/src/palacios/vmm.c @@ -1,5 +1,21 @@ -/* Northwestern University */ -/* (c) 2008, Jack Lange */ +/* + * 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 @@ -7,45 +23,80 @@ #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; -struct guest_info * allocate_guest() { - void * info = V3_Malloc(sizeof(struct guest_info)); - memset(info, 0, sizeof(struct guest_info)); - return info; +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 vmm_os_hooks * hooks, struct vmm_ctrl_ops * vmm_ops) { - os_hooks = hooks; +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; + + +#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"); + } +} + - v3_cpu_type = V3_INVALID_CPU; - init_decoder(); +#ifdef __V3_32BIT__ - if (is_svm_capable()) { +v3_cpu_mode_t v3_get_host_cpu_mode() { + uint32_t cr4_val; + struct cr4_32 * cr4; - PrintDebug("Machine is SVM Capable\n"); - vmm_ops->allocate_guest = &allocate_guest; - vmm_ops->config_guest = &config_guest; - Init_SVM(vmm_ops); + __asm__ ( + "movl %%cr4, %0; " + : "=r"(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"); - } + + cr4 = (struct cr4_32 *)&(cr4_val); + + 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