X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvm_guest.c;h=c981a3c5e41c9b59edaa8237294295427d2f8301;hb=d3c1f093de953d47c55c11692f27aa2220c840b4;hp=614c6a548138537814186890f42cbef762f76393;hpb=207e3b36648e4019ad8505c75ae6ef0778464a26;p=palacios.git diff --git a/palacios/src/palacios/vm_guest.c b/palacios/src/palacios/vm_guest.c index 614c6a5..c981a3c 100644 --- a/palacios/src/palacios/vm_guest.c +++ b/palacios/src/palacios/vm_guest.c @@ -27,33 +27,70 @@ v3_vm_cpu_mode_t v3_get_cpu_mode(struct guest_info * info) { - struct cr0_32 * cr0; - struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4); - struct efer_64 * efer = (struct efer_64 *)&(info->ctrl_regs.efer); - struct v3_segment * cs = &(info->segments.cs); - - if (info->shdw_pg_mode == SHADOW_PAGING) { - cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0); - } else if (info->shdw_pg_mode == NESTED_PAGING) { - cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0); - } else { - PrintError("Invalid Paging Mode...\n"); - V3_ASSERT(0); - return -1; - } - - if (cr0->pe == 0) { - return REAL; - } else if ((cr4->pae == 0) && (efer->lme == 0)) { - return PROTECTED; - } else if (efer->lme == 0) { - return PROTECTED_PAE; - } else if ((efer->lme == 1) && (cs->long_mode == 1)) { - return LONG; - } else { - // What about LONG_16_COMPAT??? - return LONG_32_COMPAT; - } + struct cr0_32 * cr0; + struct efer_64 * efer; + struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4); + struct v3_segment * cs = &(info->segments.cs); + vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data)); + + if (info->shdw_pg_mode == SHADOW_PAGING) { + cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0); + efer = (struct efer_64 *)&(info->guest_efer); + } else if (info->shdw_pg_mode == NESTED_PAGING) { + cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0); + efer = (struct efer_64 *)&(guest_state->efer); + } else { + PrintError("Invalid Paging Mode...\n"); + V3_ASSERT(0); + return -1; + } + + if (cr0->pe == 0) { + return REAL; + } else if ((cr4->pae == 0) && (efer->lme == 0)) { + return PROTECTED; + } else if (efer->lme == 0) { + return PROTECTED_PAE; + } else if ((efer->lme == 1) && (cs->long_mode == 1)) { + return LONG; + } else { + // What about LONG_16_COMPAT??? + return LONG_32_COMPAT; + } +} + +// Get address width in bytes +uint_t v3_get_addr_width(struct guest_info * info) { + struct cr0_32 * cr0; + struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4); + struct efer_64 * efer; + struct v3_segment * cs = &(info->segments.cs); + vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data)); + + if (info->shdw_pg_mode == SHADOW_PAGING) { + cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0); + efer = (struct efer_64 *)&(info->guest_efer); + } else if (info->shdw_pg_mode == NESTED_PAGING) { + cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0); + efer = (struct efer_64 *)&(guest_state->efer); + } else { + PrintError("Invalid Paging Mode...\n"); + V3_ASSERT(0); + return -1; + } + + if (cr0->pe == 0) { + return 2; + } else if ((cr4->pae == 0) && (efer->lme == 0)) { + return 4; + } else if (efer->lme == 0) { + return 4; + } else if ((efer->lme == 1) && (cs->long_mode == 1)) { + return 8; + } else { + // What about LONG_16_COMPAT??? + return 4; + } } @@ -65,110 +102,132 @@ static const uchar_t LONG_32_COMPAT_STR[] = "32bit Compat"; static const uchar_t LONG_16_COMPAT_STR[] = "16bit Compat"; const uchar_t * v3_cpu_mode_to_str(v3_vm_cpu_mode_t mode) { - switch (mode) { - case REAL: - return REAL_STR; - case PROTECTED: - return PROTECTED_STR; - case PROTECTED_PAE: - return PROTECTED_PAE_STR; - case LONG: - return LONG_STR; - case LONG_32_COMPAT: - return LONG_32_COMPAT_STR; - case LONG_16_COMPAT: - return LONG_16_COMPAT_STR; - default: - return NULL; - } + switch (mode) { + case REAL: + return REAL_STR; + case PROTECTED: + return PROTECTED_STR; + case PROTECTED_PAE: + return PROTECTED_PAE_STR; + case LONG: + return LONG_STR; + case LONG_32_COMPAT: + return LONG_32_COMPAT_STR; + case LONG_16_COMPAT: + return LONG_16_COMPAT_STR; + default: + return NULL; + } } v3_vm_mem_mode_t v3_get_mem_mode(struct guest_info * info) { - struct cr0_32 * cr0; - - if (info->shdw_pg_mode == SHADOW_PAGING) { - cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0); - } else if (info->shdw_pg_mode == NESTED_PAGING) { - cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0); - } else { - PrintError("Invalid Paging Mode...\n"); - V3_ASSERT(0); - return -1; - } - - if (cr0->pg == 0) { - return PHYSICAL_MEM; - } else { - return VIRTUAL_MEM; - } + struct cr0_32 * cr0; + + if (info->shdw_pg_mode == SHADOW_PAGING) { + cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0); + } else if (info->shdw_pg_mode == NESTED_PAGING) { + cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0); + } else { + PrintError("Invalid Paging Mode...\n"); + V3_ASSERT(0); + return -1; + } + + if (cr0->pg == 0) { + return PHYSICAL_MEM; + } else { + return VIRTUAL_MEM; + } } static const uchar_t PHYS_MEM_STR[] = "Physical Memory"; static const uchar_t VIRT_MEM_STR[] = "Virtual Memory"; const uchar_t * v3_mem_mode_to_str(v3_vm_mem_mode_t mode) { - switch (mode) { - case PHYSICAL_MEM: - return PHYS_MEM_STR; - case VIRTUAL_MEM: - return VIRT_MEM_STR; - default: - return NULL; - } + switch (mode) { + case PHYSICAL_MEM: + return PHYS_MEM_STR; + case VIRTUAL_MEM: + return VIRT_MEM_STR; + default: + return NULL; + } } void v3_print_segments(struct guest_info * info) { - struct v3_segments * segs = &(info->segments); - int i = 0; - struct v3_segment * seg_ptr; + struct v3_segments * segs = &(info->segments); + int i = 0; + struct v3_segment * seg_ptr; - seg_ptr=(struct v3_segment *)segs; + seg_ptr=(struct v3_segment *)segs; - char *seg_names[] = {"CS", "DS" , "ES", "FS", "GS", "SS" , "LDTR", "GDTR", "IDTR", "TR", NULL}; - PrintDebug("Segments\n"); + char *seg_names[] = {"CS", "DS" , "ES", "FS", "GS", "SS" , "LDTR", "GDTR", "IDTR", "TR", NULL}; + PrintDebug("Segments\n"); - for (i = 0; seg_names[i] != NULL; i++) { + for (i = 0; seg_names[i] != NULL; i++) { - PrintDebug("\t%s: Sel=%x, base=%p, limit=%x\n", seg_names[i], seg_ptr[i].selector, - (void *)(addr_t)seg_ptr[i].base, seg_ptr[i].limit); + PrintDebug("\t%s: Sel=%x, base=%p, limit=%x (long_mode=%d, db=%d)\n", seg_names[i], seg_ptr[i].selector, + (void *)(addr_t)seg_ptr[i].base, seg_ptr[i].limit, + seg_ptr[i].long_mode, seg_ptr[i].db); - } + } } void v3_print_ctrl_regs(struct guest_info * info) { - struct v3_ctrl_regs * regs = &(info->ctrl_regs); - int i = 0; - v3_reg_t * reg_ptr; - char * reg_names[] = {"CR0", "CR2", "CR3", "CR4", "CR8", "FLAGS", NULL}; - vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(info->vmm_data); + struct v3_ctrl_regs * regs = &(info->ctrl_regs); + int i = 0; + v3_reg_t * reg_ptr; + char * reg_names[] = {"CR0", "CR2", "CR3", "CR4", "CR8", "FLAGS", NULL}; + vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(info->vmm_data); - reg_ptr= (v3_reg_t *)regs; + reg_ptr= (v3_reg_t *)regs; - PrintDebug("32 bit Ctrl Regs:\n"); + PrintDebug("32 bit Ctrl Regs:\n"); - for (i = 0; reg_names[i] != NULL; i++) { - PrintDebug("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]); - } + for (i = 0; reg_names[i] != NULL; i++) { + PrintDebug("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]); + } - PrintDebug("\tEFER=0x%p\n", (void*)(addr_t)(guest_state->efer)); + PrintDebug("\tEFER=0x%p\n", (void*)(addr_t)(guest_state->efer)); } +#ifdef __V3_32BIT__ +void v3_print_GPRs(struct guest_info * info) { + struct v3_gprs * regs = &(info->vm_regs); + int i = 0; + v3_reg_t * reg_ptr; + char * reg_names[] = { "RDI", "RSI", "RBP", "RSP", "RBX", "RDX", "RCX", "RAX", NULL}; + + reg_ptr= (v3_reg_t *)regs; + + PrintDebug("32 bit GPRs:\n"); + + for (i = 0; reg_names[i] != NULL; i++) { + PrintDebug("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]); + } +} +#elif __V3_64BIT__ void v3_print_GPRs(struct guest_info * info) { - struct v3_gprs * regs = &(info->vm_regs); - int i = 0; - v3_reg_t * reg_ptr; - char * reg_names[] = { "RDI", "RSI", "RBP", "RSP", "RBX", "RDX", "RCX", "RAX", NULL}; + struct v3_gprs * regs = &(info->vm_regs); + int i = 0; + v3_reg_t * reg_ptr; + char * reg_names[] = { "RDI", "RSI", "RBP", "RSP", "RBX", "RDX", "RCX", "RAX", \ + "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15", NULL}; - reg_ptr= (v3_reg_t *)regs; + reg_ptr= (v3_reg_t *)regs; - PrintDebug("32 bit GPRs:\n"); + PrintDebug("64 bit GPRs:\n"); - for (i = 0; reg_names[i] != NULL; i++) { - PrintDebug("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]); - } + for (i = 0; reg_names[i] != NULL; i++) { + PrintDebug("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]); + } } + + + +#endif