Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


*** empty log message ***
Jack Lange [Thu, 15 May 2008 16:26:45 +0000 (16:26 +0000)]
palacios/src/devices/8259a.c
palacios/src/palacios/svm_handler.c
palacios/src/palacios/vmm_shadow_paging.c

index 1608c28..7db595f 100644 (file)
@@ -180,12 +180,19 @@ static int pic_get_intr_number(void * private_data) {
 }
 
 
-
-
-
+/* The IRQ number is the number returned by pic_get_intr_number(), not the pin number */
 static int pic_begin_irq(void * private_data, int irq) {
   struct pic_internal * state = (struct pic_internal*)private_data;
 
+  if ((irq >= state->master_icw2) && (irq <= state->master_icw2 + 7)) {
+    irq &= 0x7;
+  } else if ((irq >= state->slave_icw2) && (irq <= state->slave_icw2 + 7)) {
+    irq &= 0x7;
+    irq += 8;
+  } else {
+    return -1;
+  }
+
   if (irq <= 7) {
     if (((state->master_irr & ~(state->master_imr)) >> irq) == 0x01) {
       state->master_isr |= (0x1 << irq);
index 54be157..7ac7be2 100644 (file)
@@ -7,8 +7,6 @@
 #include <palacios/vmm_intr.h>
 
 
-extern struct vmm_os_hooks * os_hooks;
-
 
 int handle_svm_exit(struct guest_info * info) {
   vmcb_ctrl_t * guest_ctrl = 0;
@@ -23,7 +21,7 @@ int handle_svm_exit(struct guest_info * info) {
   info->rip = guest_state->rip;
   info->vm_regs.rsp = guest_state->rsp;
   info->vm_regs.rax = guest_state->rax;
-  info->vm_regs.rsp = guest_state->rsp;  
+
 
 
   info->ctrl_regs.cr0 = guest_state->cr0;
@@ -103,20 +101,18 @@ int handle_svm_exit(struct guest_info * info) {
     
     PrintDebug("PageFault at %x (error=%d)\n", fault_addr, *error_code);
 
-  
-
-    if (handle_shadow_pagefault(info, fault_addr, *error_code) == -1) {
+    if (info->page_mode == SHADOW_PAGING) {
+      if (handle_shadow_pagefault(info, fault_addr, *error_code) == -1) {
+       return -1;
+      }
+    } else {
+      PrintDebug("Page fault in un implemented paging mode\n");
       return -1;
     }
 
     /*
-      } else if (( (exit_code == VMEXIT_CR3_READ)  ||
-      (exit_code == VMEXIT_CR3_WRITE) ||
       (exit_code == VMEXIT_INVLPG)    ||
       (exit_code == VMEXIT_INVLPGA)   || 
-      (exit_code == VMEXIT_EXCP14)) && 
-      (info->page_mode == SHADOW_PAGING)) {
-      handle_shadow_paging(info);
     */
     
   } else if (exit_code == VMEXIT_INTR) {
@@ -218,15 +214,7 @@ int handle_svm_exit(struct guest_info * info) {
       return -1;
     }
 
-
     PrintDebug("Injecting Interrupt %d (EIP=%x)\n", guest_ctrl->EVENTINJ.vector, info->rip);
-
-
-    // IMPORTANT TODO
-    // We need to figure out stack parameters....
-
-    //EVENTINJ.error_code
-
   }
 
 
@@ -252,34 +240,3 @@ int handle_svm_exit(struct guest_info * info) {
   return 0;
 }
 
-
-
-
-int handle_shadow_paging(struct guest_info * info) {
-  vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
-  //  vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
-
-  if (guest_ctrl->exit_code == VMEXIT_CR3_READ) {
-
-  }
-
-  return 0;
-}
-
-
-
-int handle_svm_intr(struct guest_info * info) {
-  vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
-  // vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
-
-  //struct Interrupt_Info * int_info = &(guest_ctrl->exit_int_info);
-
-  //struct vmm_irq_hook * get_irq_hook(&(info->irq_map), int_info->vector);
-
-  PrintDebug("SVM Returned: Exit Code: %x\n",guest_ctrl->exit_code); 
-  PrintDebug("V_INTR_VECTOR: 0x%x\n", guest_ctrl->guest_ctrl.V_INTR_VECTOR);
-
-  while(1);
-    
-  return 0;
-}
index 1561791..72be8e7 100644 (file)
@@ -106,7 +106,7 @@ int handle_shadow_pagefault32(struct guest_info * info, addr_t fault_addr, pf_er
     pte32_t * shadow_pte = (pte32_t *)PDE32_T_ADDR((*shadow_pde_entry));
     pte32_t * guest_pte = NULL;
 
-    // Page Table entry fault
+    // Page Table Entry fault
     
     if (guest_pa_to_host_va(info, PDE32_T_ADDR((*guest_pde_entry)), (addr_t*)&guest_pte) == -1) {
       PrintDebug("Invalid Guest PTE Address: 0x%x\n", PDE32_T_ADDR((*guest_pde_entry)));
@@ -250,6 +250,8 @@ addr_t create_new_shadow_pt32(struct guest_info * info) {
 
 
 
+/* Deprecated */
+/*
 addr_t setup_shadow_pt32(struct guest_info * info, addr_t virt_cr3) {
   addr_t cr3_guest_addr = CR3_TO_PDE32(virt_cr3);
   pde32_t * guest_pde;
@@ -326,4 +328,4 @@ addr_t setup_shadow_pte32(struct guest_info * info, addr_t pt_host_addr) {
   return (addr_t)host_pte;
 }
 
-
+*/