#include <palacios/svm_handler.h>
#include <palacios/vmm.h>
-#include <palacios/svm_ctrl_regs.h>
+#include <palacios/vm_guest_mem.h>
+#include <palacios/vmm_emulate.h>
+#include <palacios/vmm_ctrl_regs.h>
#include <palacios/svm_io.h>
+#include <palacios/vmm_intr.h>
+
extern struct vmm_os_hooks * os_hooks;
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->vm_regs.rsp = guest_state->rsp;
- PrintDebug("SVM Returned:(VMCB=%x)\n", info->vmm_data);
- PrintDebug("RIP: %x\n", guest_state->rip);
-
+ info->ctrl_regs.cr0 = guest_state->cr0;
+ info->ctrl_regs.cr2 = guest_state->cr2;
+ info->ctrl_regs.cr3 = guest_state->cr3;
+ info->ctrl_regs.cr4 = guest_state->cr4;
+ info->ctrl_regs.cr8 = guest_ctrl->guest_ctrl.V_TPR;
+ info->ctrl_regs.rflags = guest_state->rflags;
+
+ get_vmcb_segments((vmcb_t*)(info->vmm_data), &(info->segments));
exit_code = guest_ctrl->exit_code;
-
- // PrintDebugVMCB((vmcb_t*)(info->vmm_data));
+
PrintDebug("SVM Returned: Exit Code: %x\n",exit_code);
+ // PrintDebugVMCB((vmcb_t*)(info->vmm_data));
- PrintDebug("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
- PrintDebug("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
- PrintDebug("io_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
- PrintDebug("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
+ // PrintDebug("SVM Returned:(VMCB=%x)\n", info->vmm_data);
+ //PrintDebug("RIP: %x\n", guest_state->rip);
+ //PrintDebug("SVM Returned: Exit Code: %x\n",exit_code);
+
if (exit_code == VMEXIT_IOIO) {
struct svm_io_info * io_info = (struct svm_io_info *)&(guest_ctrl->exit_info1);
if (io_info->type == 0) {
if (io_info->str) {
- handle_svm_io_outs(info);
+ if (handle_svm_io_outs(info) == -1 ) {
+ return -1;
+ }
} else {
- handle_svm_io_out(info);
+ if (handle_svm_io_out(info) == -1) {
+ return -1;
+ }
}
} else {
if (io_info->str) {
- handle_svm_io_ins(info);
+ if (handle_svm_io_ins(info) == -1) {
+ return -1;
+ }
} else {
- handle_svm_io_in(info);
+ if (handle_svm_io_in(info) == -1) {
+ return -1;
+ }
}
}
} else if (exit_code == VMEXIT_CR0_WRITE) {
if (handle_cr0_write(info) == -1) {
return -1;
}
+ } else if (exit_code == VMEXIT_CR0_READ) {
+ PrintDebug("CR0 Read\n");
+
+ if (handle_cr0_read(info) == -1) {
+ return -1;
+ }
+ } else if (exit_code == VMEXIT_CR3_WRITE) {
+ PrintDebug("CR3 Write\n");
+
+ if (handle_cr3_write(info) == -1) {
+ return -1;
+ }
+ } else if (exit_code == VMEXIT_CR3_READ) {
+ PrintDebug("CR3 Read\n");
+
+ if (handle_cr3_read(info) == -1) {
+ return -1;
+ }
+
+ } else if (exit_code == VMEXIT_EXCP14) {
+ addr_t fault_addr = guest_ctrl->exit_info2;
+ pf_error_t * error_code = (pf_error_t *)&(guest_ctrl->exit_info1);
+
+ PrintDebug("PageFault at %x (error=%d)\n", fault_addr, *error_code);
+
+
+
+ if (handle_shadow_pagefault(info, fault_addr, *error_code) == -1) {
+ 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) {
+
+ // handle_svm_intr(info);
+
+ } else if (exit_code == VMEXIT_HLT) {
+ PrintDebug("Guest halted\n");
+ return -1;
+ } else {
+ addr_t rip_addr;
+ char buf[15];
+ addr_t host_addr;
+
+
+ rip_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs));
+
+
+
+ PrintDebug("SVM Returned:(VMCB=%x)\n", info->vmm_data);
+ PrintDebug("RIP: %x\n", guest_state->rip);
+ PrintDebug("RIP Linear: %x\n", rip_addr);
+
+ PrintDebug("SVM Returned: Exit Code: %x\n",exit_code);
+
+ PrintDebug("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
+ PrintDebug("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
+
+ PrintDebug("io_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
+ PrintDebug("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
+
+
+
+ if (guest_pa_to_host_pa(info, guest_state->rip, &host_addr) == -1) {
+ PrintDebug("Could not translate guest_state->rip to host address\n");
+ return -1;
+ }
+
+ PrintDebug("Host Address of rip = 0x%x\n", host_addr);
+
+ memset(buf, 0, 15);
+
+ PrintDebug("Reading from 0x%x in guest\n", rip_addr);
+
+ read_guest_pa_memory(info, rip_addr, 15, buf);
+
+ PrintTraceMemDump(buf, 15);
+
+ while(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);
}
// Update the low level state
+
+ if (intr_pending(&(info->intr_state))) {
+
+ switch (get_intr_type(&(info->intr_state))) {
+ case EXTERNAL_IRQ:
+ guest_ctrl->EVENTINJ.vector = get_intr_number(&(info->intr_state));
+ guest_ctrl->EVENTINJ.valid = 1;
+ guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXTERNAL_INTR;
+
+ break;
+ case NMI:
+ guest_ctrl->EVENTINJ.type = SVM_INJECTION_NMI;
+ break;
+ case EXCEPTION:
+ guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXCEPTION;
+ guest_ctrl->EVENTINJ.error_code = info->intr_state.excp_error_code;
+ break;
+ case SOFTWARE:
+ guest_ctrl->EVENTINJ.type = SVM_INJECTION_SOFT_INTR;
+ break;
+ case VIRTUAL:
+ guest_ctrl->EVENTINJ.type = SVM_INJECTION_VIRTUAL_INTR;
+ break;
+
+ case INVALID_INTR:
+ default:
+ PrintDebug("Attempted to issue an invalid interrupt\n");
+ 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
+
+ }
+
+
+ guest_state->cr0 = info->ctrl_regs.cr0;
+ guest_state->cr2 = info->ctrl_regs.cr2;
+ guest_state->cr3 = info->ctrl_regs.cr3;
+ guest_state->cr4 = info->ctrl_regs.cr4;
+ guest_ctrl->guest_ctrl.V_TPR = info->ctrl_regs.cr8 & 0xff;
+ guest_state->rflags = info->ctrl_regs.rflags;
+
+
guest_state->rax = info->vm_regs.rax;
guest_state->rip = info->rip;
guest_state->rsp = info->vm_regs.rsp;
+
+ set_vmcb_segments((vmcb_t*)(info->vmm_data), &(info->segments));
+
+ if (exit_code == VMEXIT_INTR) {
+ PrintDebug("INTR ret IP = %x\n", guest_state->rip);
+ }
+
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;
+}
