| 71,8 → 71,6 |
|---|
| |
| void arch_pre_main(void) |
| { |
| xen_vm_assist(VMASST_CMD_ENABLE, VMASST_TYPE_WRITABLE_PAGETABLES); |
| |
| pte_t pte; |
| memsetb((uintptr_t) &pte, sizeof(pte), 0); |
| |
| 79,14 → 77,18 |
|---|
| pte.present = 1; |
| pte.writeable = 1; |
| pte.frame_address = ADDR2PFN((uintptr_t) start_info.shared_info); |
| xen_update_va_mapping(&shared_info, pte, UVMF_INVLPG); |
| ASSERT(xen_update_va_mapping(&shared_info, pte, UVMF_INVLPG) == 0); |
| |
| pte.present = 1; |
| pte.writeable = 1; |
| pte.frame_address = start_info.console_mfn; |
| xen_update_va_mapping(&console_page, pte, UVMF_INVLPG); |
| if (!(start_info.flags & SIF_INITDOMAIN)) { |
| /* Map console frame */ |
| pte.present = 1; |
| pte.writeable = 1; |
| pte.frame_address = start_info.console.domU.mfn; |
| ASSERT(xen_update_va_mapping(&console_page, pte, UVMF_INVLPG) == 0); |
| } else |
| start_info.console.domU.evtchn = 0; |
| |
| xen_set_callbacks(XEN_CS, xen_callback, XEN_CS, xen_failsafe_callback); |
| ASSERT(xen_set_callbacks(XEN_CS, xen_callback, XEN_CS, xen_failsafe_callback) == 0); |
| |
| /* Create identity mapping */ |
| |
| 93,7 → 95,7 |
|---|
| meminfo.start = ADDR2PFN(ALIGN_UP(KA2PA(start_info.ptl0), PAGE_SIZE)) + start_info.pt_frames; |
| meminfo.size = start_info.frames - meminfo.start; |
| meminfo.reserved = 0; |
| |
| |
| uintptr_t pa; |
| index_t last_ptl0 = 0; |
| for (pa = PFN2ADDR(meminfo.start); pa < PFN2ADDR(meminfo.start + meminfo.size); pa += FRAME_SIZE) { |
| 107,8 → 109,9 |
|---|
| memsetb(tva, PAGE_SIZE, 0); |
| |
| pte_t *tptl3 = (pte_t *) PA2KA(GET_PTL1_ADDRESS(start_info.ptl0, PTL0_INDEX(tva))); |
| SET_FRAME_FLAGS(tptl3, PTL3_INDEX(tva), PAGE_PRESENT); |
| SET_FRAME_ADDRESS(tptl3, PTL3_INDEX(tva), 0); |
| SET_PTL1_ADDRESS(start_info.ptl0, PTL0_INDEX(va), tpa); |
| SET_FRAME_ADDRESS(tptl3, PTL3_INDEX(tva), tpa); |
| |
| last_ptl0 = PTL0_INDEX(va); |
| meminfo.reserved++; |