#include <palacios/vmm_hashtable.h>
+#include <palacios/vmm_direct_paging.h>
+
#ifndef DEBUG_SHADOW_PAGING
#undef PrintDebug
#define PrintDebug(fmt, args...)
// creates new shadow page tables
// updates the shadow CR3 register to point to the new pts
int v3_activate_shadow_pt(struct guest_info * info) {
- switch (info->cpu_mode) {
+ switch (v3_get_cpu_mode(info)) {
case PROTECTED:
return activate_shadow_pt_32(info);
case LONG_16_COMPAT:
return activate_shadow_pt_64(info);
default:
- PrintError("Invalid CPU mode: %s\n", v3_cpu_mode_to_str(info->cpu_mode));
+ PrintError("Invalid CPU mode: %s\n", v3_cpu_mode_to_str(v3_get_cpu_mode(info)));
return -1;
}
int v3_handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code) {
- if (info->mem_mode == PHYSICAL_MEM) {
+ if (v3_get_mem_mode(info) == PHYSICAL_MEM) {
// If paging is not turned on we need to handle the special cases
- return handle_special_page_fault(info, fault_addr, fault_addr, error_code);
- } else if (info->mem_mode == VIRTUAL_MEM) {
+ return v3_handle_passthrough_pagefault(info, fault_addr, error_code);
+ } else if (v3_get_mem_mode(info) == VIRTUAL_MEM) {
- switch (info->cpu_mode) {
+ switch (v3_get_cpu_mode(info)) {
case PROTECTED:
return handle_shadow_pagefault_32(info, fault_addr, error_code);
break;
return handle_shadow_pagefault_64(info, fault_addr, error_code);
break;
default:
- PrintError("Unhandled CPU Mode: %s\n", v3_cpu_mode_to_str(info->cpu_mode));
+ PrintError("Unhandled CPU Mode: %s\n", v3_cpu_mode_to_str(v3_get_cpu_mode(info)));
return -1;
}
} else {
int ret = 0;
addr_t vaddr = 0;
- if (info->mem_mode != VIRTUAL_MEM) {
+ if (v3_get_mem_mode(info) != VIRTUAL_MEM) {
// Paging must be turned on...
// should handle with some sort of fault I think
PrintError("ERROR: INVLPG called in non paged mode\n");
return -1;
}
- if (info->mem_mode == PHYSICAL_MEM) {
+ if (v3_get_mem_mode(info) == PHYSICAL_MEM) {
ret = read_guest_pa_memory(info, get_addr_linear(info, info->rip, &(info->segments.cs)), 15, instr);
} else {
ret = read_guest_va_memory(info, get_addr_linear(info, info->rip, &(info->segments.cs)), 15, instr);
info->rip += dec_instr.instr_length;
- switch (info->cpu_mode) {
+ switch (v3_get_cpu_mode(info)) {
case PROTECTED:
return handle_shadow_invlpg_32(info, vaddr);
case PROTECTED_PAE:
case LONG_16_COMPAT:
return handle_shadow_invlpg_64(info, vaddr);
default:
- PrintError("Invalid CPU mode: %s\n", v3_cpu_mode_to_str(info->cpu_mode));
+ PrintError("Invalid CPU mode: %s\n", v3_cpu_mode_to_str(v3_get_cpu_mode(info)));
return -1;
}
}
if (page_tail->cr3 != cur_cr3) {
PrintDebug("Reusing old shadow Page: %p (cur_CR3=%p)(page_cr3=%p) \n",
- (void *) page_tail->page_pa, (void *)cur_cr3, (void *)(page_tail->cr3));
+ (void *)(addr_t)page_tail->page_pa,
+ (void *)(addr_t)cur_cr3,
+ (void *)(addr_t)(page_tail->cr3));
list_move(&(page_tail->page_list_node), &(state->page_list));
page_tail = (struct shadow_page_data *)V3_Malloc(sizeof(struct shadow_page_data));
page_tail->page_pa = (addr_t)V3_AllocPages(1);
- PrintDebug("Allocating new shadow Page: %p (cur_cr3=%p)\n", (void *)page_tail->page_pa, (void *)cur_cr3);
+ PrintDebug("Allocating new shadow Page: %p (cur_cr3=%p)\n",
+ (void *)(addr_t)page_tail->page_pa,
+ (void *)(addr_t)cur_cr3);
page_tail->cr3 = cur_cr3;
list_add(&(page_tail->page_list_node), &(state->page_list));