* redistribute, and modify it as specified in the file "V3VEE_LICENSE".
*/
+#ifdef V3_CONFIG_TM_FUNC
+#include <extensions/trans_mem.h>
+#endif
static inline int activate_shadow_pt_64(struct guest_info * info) {
struct cr3_64 * shadow_cr3 = (struct cr3_64 *)&(info->ctrl_regs.cr3);
// Because this is a new CR3 load the allocated page is the new CR3 value
shadow_pt->cr3 = shadow_pt->page_pa;
- PrintDebug("Top level Shadow page pa=%p\n", (void *)shadow_pt_addr);
+ PrintDebug(info->vm_info, info, "Top level Shadow page pa=%p\n", (void *)shadow_pt_addr);
shadow_cr3->pml4t_base_addr = PAGE_BASE_ADDR_4KB(shadow_pt_addr);
- PrintDebug("Creating new 64 bit shadow page table %p\n", (void *)BASE_TO_PAGE_ADDR(shadow_cr3->pml4t_base_addr));
+ PrintDebug(info->vm_info, info, "Creating new 64 bit shadow page table %p\n", (void *)BASE_TO_PAGE_ADDR(shadow_cr3->pml4t_base_addr));
shadow_cr3->pwt = guest_cr3->pwt;
pml4e64_t * guest_pml4e = NULL;
pml4e64_t * shadow_pml4e = (pml4e64_t *)&(shadow_pml[PML4E64_INDEX(fault_addr)]);
- PrintDebug("64 bit Shadow page fault handler: %p\n", (void *)fault_addr);
- PrintDebug("Handling PML fault\n");
+ PrintDebug(info->vm_info, info, "64 bit Shadow page fault handler: %p\n", (void *)fault_addr);
+ PrintDebug(info->vm_info, info, "Handling PML fault\n");
if (v3_gpa_to_hva(info, guest_cr3, (addr_t*)&guest_pml) == -1) {
- PrintError("Invalid Guest PML4E Address: 0x%p\n", (void *)guest_cr3);
+ PrintError(info->vm_info, info, "Invalid Guest PML4E Address: 0x%p\n", (void *)guest_cr3);
return -1;
}
guest_pml4e = (pml4e64_t *)&(guest_pml[PML4E64_INDEX(fault_addr)]);
- PrintDebug("Checking Guest %p\n", (void *)guest_pml);
+ PrintDebug(info->vm_info, info, "Checking Guest %p\n", (void *)guest_pml);
// Check the guest page permissions
guest_pml4e_access = v3_can_access_pml4e64(guest_pml, fault_addr, error_code);
- PrintDebug("Checking shadow %p\n", (void *)shadow_pml);
+ PrintDebug(info->vm_info, info, "Checking shadow %p\n", (void *)shadow_pml);
// Check the shadow page permissions
shadow_pml4e_access = v3_can_access_pml4e64(shadow_pml, fault_addr, error_code);
/* Was the page fault caused by the Guest's page tables? */
if (v3_is_guest_pf(guest_pml4e_access, shadow_pml4e_access) == 1) {
- PrintDebug("Injecting PML4E pf to guest: (guest access error=%d) (pf error code=%d)\n",
+ PrintDebug(info->vm_info, info, "Injecting PML4E pf to guest: (guest access error=%d) (pf error code=%d)\n",
*(uint_t *)&guest_pml4e_access, *(uint_t *)&error_code);
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
return 0;
//
// PML4 Entry marked non-user
//
- PrintDebug("Shadow Paging User access error (shadow_pml4e_access=0x%x, guest_pml4e_access=0x%x)\n",
+ PrintDebug(info->vm_info, info, "Shadow Paging User access error (shadow_pml4e_access=0x%x, guest_pml4e_access=0x%x)\n",
shadow_pml4e_access, guest_pml4e_access);
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
return 0;
(shadow_pml4e_access != PT_ACCESS_OK)) {
// inject page fault in guest
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
- PrintDebug("Unknown Error occurred (shadow_pde_access=%d)\n", shadow_pml4e_access);
- PrintDebug("Manual Says to inject page fault into guest\n");
+ PrintDebug(info->vm_info, info, "Unknown Error occurred (shadow_pde_access=%d)\n", shadow_pml4e_access);
+ PrintDebug(info->vm_info, info, "Manual Says to inject page fault into guest\n");
return 0;
}
if (v3_gpa_to_hva(info, BASE_TO_PAGE_ADDR(guest_pml4e->pdp_base_addr), (addr_t *)&guest_pdp) == -1) {
// Machine check the guest
- PrintError("Invalid Guest PDP Address: 0x%p\n", (void *)BASE_TO_PAGE_ADDR(guest_pml4e->pdp_base_addr));
+ PrintError(info->vm_info, info, "Invalid Guest PDP Address: 0x%p\n", (void *)BASE_TO_PAGE_ADDR(guest_pml4e->pdp_base_addr));
v3_raise_exception(info, MC_EXCEPTION);
return 0;
}
if (handle_pdpe_shadow_pagefault_64(info, fault_addr, error_code, shadow_pdp, guest_pdp) == -1) {
- PrintError("Error handling Page fault caused by PDPE\n");
+ PrintError(info->vm_info, info, "Error handling Page fault caused by PDPE\n");
return -1;
}
pdpe64_t * guest_pdpe = (pdpe64_t *)&(guest_pdp[PDPE64_INDEX(fault_addr)]);
pdpe64_t * shadow_pdpe = (pdpe64_t *)&(shadow_pdp[PDPE64_INDEX(fault_addr)]);
- PrintDebug("Handling PDP fault\n");
+ PrintDebug(info->vm_info, info, "Handling PDP fault\n");
if (fault_addr==0) {
- PrintDebug("Guest Page Tree for guest virtual address zero fault\n");
+ PrintDebug(info->vm_info, info, "Guest Page Tree for guest virtual address zero fault\n");
PrintGuestPageTree(info,fault_addr,(addr_t)(info->shdw_pg_state.guest_cr3));
- PrintDebug("Host Page Tree for guest virtual address zero fault\n");
+ PrintDebug(info->vm_info, info, "Host Page Tree for guest virtual address zero fault\n");
PrintHostPageTree(info,fault_addr,(addr_t)(info->ctrl_regs.cr3));
}
/* Was the page fault caused by the Guest's page tables? */
if (v3_is_guest_pf(guest_pdpe_access, shadow_pdpe_access) == 1) {
- PrintDebug("Injecting PDPE pf to guest: (guest access error=%d) (pf error code=%d)\n",
+ PrintDebug(info->vm_info, info, "Injecting PDPE pf to guest: (guest access error=%d) (pf error code=%d)\n",
*(uint_t *)&guest_pdpe_access, *(uint_t *)&error_code);
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
return 0;
//
// PML4 Entry marked non-user
//
- PrintDebug("Shadow Paging User access error (shadow_pdpe_access=0x%x, guest_pdpe_access=0x%x)\n",
+ PrintDebug(info->vm_info, info, "Shadow Paging User access error (shadow_pdpe_access=0x%x, guest_pdpe_access=0x%x)\n",
shadow_pdpe_access, guest_pdpe_access);
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
return 0;
(shadow_pdpe_access != PT_ACCESS_OK)) {
// inject page fault in guest
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
- PrintDebug("Unknown Error occurred (shadow_pde_access=%d)\n", shadow_pdpe_access);
- PrintDebug("Manual Says to inject page fault into guest\n");
+ PrintDebug(info->vm_info, info, "Unknown Error occurred (shadow_pde_access=%d)\n", shadow_pdpe_access);
+ PrintDebug(info->vm_info, info, "Manual Says to inject page fault into guest\n");
return 0;
}
if (v3_gpa_to_hva(info, BASE_TO_PAGE_ADDR(guest_pdpe->pd_base_addr), (addr_t *)&guest_pd) == -1) {
// Machine check the guest
- PrintError("Invalid Guest PTE Address: 0x%p\n", (void *)BASE_TO_PAGE_ADDR(guest_pdpe->pd_base_addr));
+ PrintError(info->vm_info, info, "Invalid Guest PTE Address: 0x%p\n", (void *)BASE_TO_PAGE_ADDR(guest_pdpe->pd_base_addr));
v3_raise_exception(info, MC_EXCEPTION);
return 0;
}
if (handle_pde_shadow_pagefault_64(info, fault_addr, error_code, shadow_pd, guest_pd) == -1) {
- PrintError("Error handling Page fault caused by PDE\n");
+ PrintError(info->vm_info, info, "Error handling Page fault caused by PDE\n");
return -1;
}
return 0;
}
-
static int handle_pde_shadow_pagefault_64(struct guest_info * info, addr_t fault_addr, pf_error_t error_code,
pde64_t * shadow_pd, pde64_t * guest_pd) {
pt_access_status_t guest_pde_access;
pde64_t * guest_pde = (pde64_t *)&(guest_pd[PDE64_INDEX(fault_addr)]);
pde64_t * shadow_pde = (pde64_t *)&(shadow_pd[PDE64_INDEX(fault_addr)]);
- PrintDebug("Handling PDE fault\n");
+ PrintDebug(info->vm_info, info, "Handling PDE fault\n");
// Check the guest page permissions
guest_pde_access = v3_can_access_pde64(guest_pd, fault_addr, error_code);
/* Was the page fault caused by the Guest's page tables? */
if (v3_is_guest_pf(guest_pde_access, shadow_pde_access) == 1) {
- PrintDebug("Injecting PDE pf to guest: (guest access error=%d) (pf error code=%d)\n",
+ PrintDebug(info->vm_info, info, "Injecting PDE pf to guest: (guest access error=%d) (pf error code=%d)\n",
*(uint_t *)&guest_pde_access, *(uint_t *)&error_code);
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
return 0;
//
// PDE Entry marked non-user
//
- PrintDebug("Shadow Paging User access error (shadow_pdpe_access=0x%x, guest_pdpe_access=0x%x)\n",
+ PrintDebug(info->vm_info, info, "Shadow Paging User access error (shadow_pdpe_access=0x%x, guest_pdpe_access=0x%x)\n",
shadow_pde_access, guest_pde_access);
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
return 0;
((pde64_2MB_t *)guest_pde)->dirty = 1;
shadow_pde->writable = guest_pde->writable;
- //PrintDebug("Returning due to large page Write Error\n");
+ //PrintDebug(info->vm_info, info, "Returning due to large page Write Error\n");
//PrintHostPageTree(info, fault_addr, info->ctrl_regs.cr3);
return 0;
(shadow_pde_access != PT_ACCESS_OK)) {
// inject page fault in guest
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
- PrintDebug("Unknown Error occurred (shadow_pde_access=%d)\n", shadow_pde_access);
- PrintDebug("Manual Says to inject page fault into guest\n");
+ PrintDebug(info->vm_info, info, "Unknown Error occurred (shadow_pde_access=%d)\n", shadow_pde_access);
+ PrintDebug(info->vm_info, info, "Manual Says to inject page fault into guest\n");
return 0;
}
- // Handle as a shadow large page if possible
- if (guest_pde->large_page
- && (info->vm_info->mem_align >= PAGE_SIZE_2MB)) {
- if (handle_2MB_shadow_pagefault_pde_64(info, fault_addr, error_code, shadow_pde_access,
- (pde64_2MB_t *)shadow_pde, (pde64_2MB_t *)guest_pde) == -1) {
- PrintError("Error handling large pagefault with large page\n");
- return -1;
- } else {
- return 0;
- }
- }
-
pte64_t * shadow_pt = NULL;
pte64_t * guest_pt = NULL;
// get the next shadow page level, allocate if not present
if (shadow_pde_access == PT_ACCESS_NOT_PRESENT) {
+ // Check if we can use large pages and the guest memory is properly aligned
+ // to potentially use a large page
+
+ if ((info->use_large_pages == 1) && (guest_pde->large_page == 1)) {
+ addr_t guest_pa = BASE_TO_PAGE_ADDR_2MB(((pde64_2MB_t *)guest_pde)->page_base_addr);
+ uint32_t page_size = v3_get_max_page_size(info, guest_pa, LONG);
+
+ if (page_size == PAGE_SIZE_2MB) {
+ if (handle_2MB_shadow_pagefault_pde_64(info, fault_addr, error_code, shadow_pde_access,
+ (pde64_2MB_t *)shadow_pde, (pde64_2MB_t *)guest_pde) == -1) {
+ PrintError(info->vm_info, info, "Error handling large pagefault with large page\n");
+ return -1;
+ }
+
+ return 0;
+ }
+ // Fallthrough to handle the region with small pages
+ }
+
struct shadow_page_data * shdw_page = create_new_shadow_pt(info);
shadow_pt = (pte64_t *)V3_VAddr((void *)shdw_page->page_pa);
- PrintDebug("Creating new shadow PT: %p\n", shadow_pt);
+ PrintDebug(info->vm_info, info, "Creating new shadow PT: %p\n", shadow_pt);
shadow_pde->present = 1;
shadow_pde->user_page = guest_pde->user_page;
-
if (guest_pde->large_page == 0) {
shadow_pde->writable = guest_pde->writable;
} else {
guest_pde->accessed = 1;
shadow_pde->pt_base_addr = PAGE_BASE_ADDR(shdw_page->page_pa);
- } else {
+ } else { // when PT_ACCESS_OK is true
+ if ((info->use_large_pages == 1) && (guest_pde->large_page == 1) ) {
+ addr_t guest_pa = BASE_TO_PAGE_ADDR_4MB(((pde32_4MB_t *)guest_pde)->page_base_addr);
+ uint32_t page_size = v3_get_max_page_size(info, guest_pa, LONG);
+ if (page_size == PAGE_SIZE_2MB) {
+ if (shadow_pde_access == PT_ACCESS_OK) {
+ // Inconsistent state...
+ // Guest Re-Entry will flush tables and everything should now workd
+ PrintDebug(info->vm_info, info, "Inconsistent state PDE... Guest re-entry should flush tlb\n");
+ //PrintDebug(info->vm_info, info, "Bug here: shadow_pde_access is %d page_size is %d\n",
+ // (uint_t)shadow_pde_access,(uint_t)page_size);
+ return 0;
+ }
+ }
+ }
shadow_pt = (pte64_t *)V3_VAddr((void *)BASE_TO_PAGE_ADDR(shadow_pde->pt_base_addr));
}
if (guest_pde->large_page == 0) {
if (v3_gpa_to_hva(info, BASE_TO_PAGE_ADDR(guest_pde->pt_base_addr), (addr_t *)&guest_pt) == -1) {
// Machine check the guest
- PrintError("Invalid Guest PTE Address: 0x%p\n", (void *)BASE_TO_PAGE_ADDR(guest_pde->pt_base_addr));
+ PrintError(info->vm_info, info, "Invalid Guest PTE Address: 0x%p\n", (void *)BASE_TO_PAGE_ADDR(guest_pde->pt_base_addr));
v3_raise_exception(info, MC_EXCEPTION);
return 0;
}
if (handle_pte_shadow_pagefault_64(info, fault_addr, error_code, shadow_pt, guest_pt) == -1) {
- PrintError("Error handling Page fault caused by PDE\n");
+ PrintError(info->vm_info, info, "Error handling Page fault caused by PDE\n");
return -1;
}
} else {
if (handle_2MB_shadow_pagefault_pte_64(info, fault_addr, error_code, shadow_pt, (pde64_2MB_t *)guest_pde) == -1) {
- PrintError("Error handling large pagefault with small page\n");
+ PrintError(info->vm_info, info, "Error handling large pagefault with small page\n");
return -1;
}
}
addr_t guest_pa = BASE_TO_PAGE_ADDR((addr_t)(guest_pte->page_base_addr)) + PAGE_OFFSET(fault_addr);
// struct shadow_page_state * state = &(info->shdw_pg_state);
- PrintDebug("Handling PTE fault\n");
+ PrintDebug(info->vm_info, info, "Handling PTE fault\n");
- struct v3_mem_region * shdw_reg = v3_get_mem_region(info->vm_info, info->cpu_id, guest_pa);
+ struct v3_mem_region * shdw_reg = v3_get_mem_region(info->vm_info, info->vcpu_id, guest_pa);
if (shdw_reg == NULL) {
// Inject a machine check in the guest
- PrintError("Invalid Guest Address in page table (0x%p)\n", (void *)guest_pa);
+ PrintError(info->vm_info, info, "Invalid Guest Address in page table (0x%p)\n", (void *)guest_pa);
v3_raise_exception(info, MC_EXCEPTION);
return 0;
}
/* Was the page fault caused by the Guest's page tables? */
if (v3_is_guest_pf(guest_pte_access, shadow_pte_access) == 1) {
- PrintDebug("Access error injecting pf to guest (guest access error=%d) (pf error code=%d)\n",
+ PrintDebug(info->vm_info, info, "Access error injecting pf to guest (guest access error=%d) (pf error code=%d)\n",
guest_pte_access, *(uint_t*)&error_code);
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
if (shadow_pte_access == PT_ACCESS_OK) {
// Inconsistent state...
// Guest Re-Entry will flush page tables and everything should now work
- PrintDebug("Inconsistent state... Guest re-entry should flush tlb\n");
+ PrintDebug(info->vm_info, info, "Inconsistent state... Guest re-entry should flush tlb\n");
return 0;
}
-
if (shadow_pte_access == PT_ACCESS_NOT_PRESENT) {
// Page Table Entry Not Present
- PrintDebug("guest_pa =%p\n", (void *)guest_pa);
+ PrintDebug(info->vm_info, info, "guest_pa =%p\n", (void *)guest_pa);
+
+#ifdef V3_CONFIG_TM_FUNC
+ addr_t page_to_use;
+ if (v3_tm_handle_pf_64(info, error_code, fault_addr, &page_to_use) == -1) {
+ return -1;
+ }
+#endif
if ((shdw_reg->flags.alloced == 1) ||
(shdw_reg->flags.read == 1)) {
addr_t shadow_pa = 0;
if (v3_gpa_to_hpa(info, guest_pa, &shadow_pa) == -1) {
- PrintError("could not translate page fault address (%p)\n", (void *)guest_pa);
+ PrintError(info->vm_info, info, "could not translate page fault address (%p)\n", (void *)guest_pa);
return -1;
}
+#ifdef V3_CONFIG_TM_FUNC
+ v3_tm_handle_usr_tlb_miss(info, error_code, page_to_use, &shadow_pa);
+#endif
+
shadow_pte->page_base_addr = PAGE_BASE_ADDR(shadow_pa);
shadow_pte->present = guest_pte->present;
shadow_pte->writable = 0;
}
+#ifdef V3_CONFIG_TM_FUNC
+ v3_tm_handle_read_fault(info, error_code, shadow_pte);
+#endif
} else {
// Pass to unhandled call back
if (shdw_reg->unhandled(info, fault_addr, guest_pa, shdw_reg, error_code) == -1) {
- PrintError("Special Page fault handler returned error for address: %p\n", (void *)fault_addr);
+ PrintError(info->vm_info, info, "Special Page fault handler returned error for address: %p\n", (void *)fault_addr);
return -1;
}
}
if (shdw_reg->flags.write == 1) {
- PrintDebug("Shadow PTE Write Error\n");
+ PrintDebug(info->vm_info, info, "Shadow PTE Write Error\n");
shadow_pte->writable = guest_pte->writable;
} else {
if (shdw_reg->unhandled(info, fault_addr, guest_pa, shdw_reg, error_code) == -1) {
- PrintError("Special Page fault handler returned error for address: %p\n", (void *)fault_addr);
+ PrintError(info->vm_info, info, "Special Page fault handler returned error for address: %p\n", (void *)fault_addr);
return -1;
}
}
} else {
// Inject page fault into the guest
if (v3_inject_guest_pf(info, fault_addr, error_code) == -1) {
- PrintError("Could not inject guest page fault\n");
+ PrintError(info->vm_info, info, "Could not inject guest page fault\n");
return -1;
}
- PrintError("PTE Page fault fell through... Not sure if this should ever happen\n");
- PrintError("Manual Says to inject page fault into guest\n");
+ PrintError(info->vm_info, info, "PTE Page fault fell through... Not sure if this should ever happen\n");
+ PrintError(info->vm_info, info, "Manual Says to inject page fault into guest\n");
return -1;
}
addr_t guest_fault_pa = BASE_TO_PAGE_ADDR_2MB(large_guest_pde->page_base_addr) + PAGE_OFFSET_2MB(fault_addr);
// struct shadow_page_state * state = &(info->shdw_pg_state);
- PrintDebug("Handling 2MB fault with large page (guest_fault_pa=%p) (error_code=%x)\n", (void *)guest_fault_pa, *(uint_t*)&error_code);
- PrintDebug("LargeShadowPDE=%p, LargeGuestPDE=%p\n", large_shadow_pde, large_guest_pde);
+ PrintDebug(info->vm_info, info, "Handling 2MB fault with large page (guest_fault_pa=%p) (error_code=%x)\n", (void *)guest_fault_pa, *(uint_t*)&error_code);
+ PrintDebug(info->vm_info, info, "LargeShadowPDE=%p, LargeGuestPDE=%p\n", large_shadow_pde, large_guest_pde);
- struct v3_mem_region * shdw_reg = v3_get_mem_region(info->vm_info, info->cpu_id, guest_fault_pa);
+ struct v3_mem_region * shdw_reg = v3_get_mem_region(info->vm_info, info->vcpu_id, guest_fault_pa);
if (shdw_reg == NULL) {
// Inject a machine check in the guest
- PrintError("Invalid Guest Address in page table (0x%p)\n", (void *)guest_fault_pa);
+ PrintError(info->vm_info, info, "Invalid Guest Address in page table (0x%p)\n", (void *)guest_fault_pa);
v3_raise_exception(info, MC_EXCEPTION);
return 0;
}
+ /* Note that this handler is currently invoked only when PT_ACCESS_OK is PT_NOT_PRESENT. */
if (shadow_pde_access == PT_ACCESS_OK) {
// Inconsistent state...
// Guest Re-Entry will flush tables and everything should now workd
- PrintDebug("Inconsistent state... Guest re-entry should flush tlb\n");
+ PrintDebug(info->vm_info, info, "Inconsistent state... Guest re-entry should flush tlb\n");
+ PrintError(info->vm_info, info, "Hmm... did not expect call to this handler with PT_ACCESS_OK to happen...\n");
//PrintHostPageTree(info, fault_addr, info->ctrl_regs.cr3);
return 0;
}
+
if (shadow_pde_access == PT_ACCESS_NOT_PRESENT) {
// Get the guest physical address of the fault
addr_t shadow_pa = 0;
if (v3_gpa_to_hpa(info, guest_fault_pa, &shadow_pa) == -1) {
- PrintError("could not translate page fault address (%p)\n", (void *)guest_fault_pa);
+ PrintError(info->vm_info, info, "could not translate page fault address (%p)\n", (void *)guest_fault_pa);
return -1;
}
} else {
if (shdw_reg->unhandled(info, fault_addr, guest_fault_pa, shdw_reg, error_code) == -1) {
- PrintError("Special Page Fault handler returned error for address: %p\n", (void *)fault_addr);
+ PrintError(info->vm_info, info, "Special Page Fault handler returned error for address: %p\n", (void *)fault_addr);
return -1;
}
}
} else if (shadow_pde_access == PT_ACCESS_WRITE_ERROR) {
if (shdw_reg->unhandled(info, fault_addr, guest_fault_pa, shdw_reg, error_code) == -1) {
- PrintError("Special Page Fault handler returned error for address: %p\n", (void *)fault_addr);
+ PrintError(info->vm_info, info, "Special Page Fault handler returned error for address: %p\n", (void *)fault_addr);
return -1;
}
} else {
- PrintError("Error in large page fault handler...\n");
- PrintError("This case should have been handled at the top level handler\n");
+ PrintError(info->vm_info, info, "Error in large page fault handler...\n");
+ PrintError(info->vm_info, info, "This case should have been handled at the top level handler\n");
return -1;
}
// PrintHostPageTree(info, fault_addr, info->ctrl_regs.cr3);
- PrintDebug("Returning from large page->large page fault handler\n");
+ PrintDebug(info->vm_info, info, "Returning from large page->large page fault handler\n");
return 0;
}
addr_t guest_fault_pa = BASE_TO_PAGE_ADDR_2MB(large_guest_pde->page_base_addr) + PAGE_OFFSET_2MB(fault_addr);
// struct shadow_page_state * state = &(info->shdw_pg_state);
- PrintDebug("Handling 2MB fault (guest_fault_pa=%p) (error_code=%x)\n", (void *)guest_fault_pa, *(uint_t*)&error_code);
- PrintDebug("ShadowPT=%p, LargeGuestPDE=%p\n", shadow_pt, large_guest_pde);
+ PrintDebug(info->vm_info, info, "Handling 2MB fault (guest_fault_pa=%p) (error_code=%x)\n", (void *)guest_fault_pa, *(uint_t*)&error_code);
+ PrintDebug(info->vm_info, info, "ShadowPT=%p, LargeGuestPDE=%p\n", shadow_pt, large_guest_pde);
- struct v3_mem_region * shdw_reg = v3_get_mem_region(info->vm_info, info->cpu_id, guest_fault_pa);
+ struct v3_mem_region * shdw_reg = v3_get_mem_region(info->vm_info, info->vcpu_id, guest_fault_pa);
if (shdw_reg == NULL) {
// Inject a machine check in the guest
- PrintError("Invalid Guest Address in page table (0x%p)\n", (void *)guest_fault_pa);
+ PrintError(info->vm_info, info, "Invalid Guest Address in page table (0x%p)\n", (void *)guest_fault_pa);
v3_raise_exception(info, MC_EXCEPTION);
return 0;
}
if (shadow_pte_access == PT_ACCESS_OK) {
// Inconsistent state...
// Guest Re-Entry will flush tables and everything should now workd
- PrintDebug("Inconsistent state... Guest re-entry should flush tlb\n");
+ PrintDebug(info->vm_info, info, "Inconsistent state... Guest re-entry should flush tlb\n");
//PrintHostPageTree(info, fault_addr, info->ctrl_regs.cr3);
return 0;
}
addr_t shadow_pa = 0;
if (v3_gpa_to_hpa(info, guest_fault_pa, &shadow_pa) == -1) {
- PrintError("could not translate page fault address (%p)\n", (void *)guest_fault_pa);
+ PrintError(info->vm_info, info, "could not translate page fault address (%p)\n", (void *)guest_fault_pa);
return -1;
}
} else {
if (shdw_reg->unhandled(info, fault_addr, guest_fault_pa, shdw_reg, error_code) == -1) {
- PrintError("Special Page Fault handler returned error for address: %p\n", (void *)fault_addr);
+ PrintError(info->vm_info, info, "Special Page Fault handler returned error for address: %p\n", (void *)fault_addr);
return -1;
}
}
} else if (shadow_pte_access == PT_ACCESS_WRITE_ERROR) {
if (shdw_reg->unhandled(info, fault_addr, guest_fault_pa, shdw_reg, error_code) == -1) {
- PrintError("Special Page Fault handler returned error for address: %p\n", (void *)fault_addr);
+ PrintError(info->vm_info, info, "Special Page Fault handler returned error for address: %p\n", (void *)fault_addr);
return -1;
}
} else {
- PrintError("Error in large page fault handler...\n");
- PrintError("This case should have been handled at the top level handler\n");
+ PrintError(info->vm_info, info, "Error in large page fault handler...\n");
+ PrintError(info->vm_info, info, "This case should have been handled at the top level handler\n");
return -1;
}
// PrintHostPageTree(info, fault_addr, info->ctrl_regs.cr3);
- PrintDebug("Returning from large page->small page fault handler\n");
+ PrintDebug(info->vm_info, info, "Returning from large page->small page fault handler\n");
return 0;
}
}
if (pdpe->vmm_info == V3_LARGE_PG) {
- PrintError("1 Gigabyte pages not supported\n");
+ PrintError(info->vm_info, info, "1 Gigabyte pages not supported\n");
return -1;
-
- pdpe->present = 0;
- return 1;
}
return 0;
return 1;
}
default:
- PrintError("Invalid Page Type\n");
+ PrintError(info->vm_info, info, "Invalid Page Type\n");
return -1;
}
// should not get here
- PrintError("Should not get here....\n");
+ PrintError(info->vm_info, info, "Should not get here....\n");
return -1;
}
static inline int handle_shadow_invlpg_64(struct guest_info * info, addr_t vaddr) {
- PrintDebug("INVLPG64 - %p\n",(void*)vaddr);
+ PrintDebug(info->vm_info, info, "INVLPG64 - %p\n",(void*)vaddr);
int ret = v3_drill_host_pt_64(info, info->ctrl_regs.cr3, vaddr, invalidation_cb_64, NULL);
if (ret == -1) {
- PrintError("Page table drill returned error.... \n");
+ PrintError(info->vm_info, info, "Page table drill returned error.... \n");
PrintHostPageTree(info, vaddr, info->ctrl_regs.cr3);
}
