/* Returns: mfn for the given (hvm guest) vaddr */ static unsigned long dbg_hvm_va2mfn(dbgva_t vaddr, struct domain *dp, int toaddr, unsigned long *gfn) { unsigned long mfn; uint32_t pfec = PFEC_page_present; p2m_type_t gfntype; DBGP2("vaddr:%lx domid:%d\n", vaddr, dp->domain_id); *gfn = paging_gva_to_gfn(dp->vcpu[0], vaddr, &pfec); if ( *gfn == INVALID_GFN ) { DBGP2("kdb:bad gfn from gva_to_gfn\n"); return INVALID_MFN; } mfn = mfn_x(get_gfn(dp, *gfn, &gfntype)); if ( p2m_is_readonly(gfntype) && toaddr ) { DBGP2("kdb:p2m_is_readonly: gfntype:%x\n", gfntype); return INVALID_MFN; } DBGP2("X: vaddr:%lx domid:%d mfn:%lx\n", vaddr, dp->domain_id, mfn); return mfn; }
/* Returns: mfn for the given (hvm guest) vaddr */ static mfn_t dbg_hvm_va2mfn(dbgva_t vaddr, struct domain *dp, int toaddr, gfn_t *gfn) { mfn_t mfn; uint32_t pfec = PFEC_page_present; p2m_type_t gfntype; DBGP2("vaddr:%lx domid:%d\n", vaddr, dp->domain_id); *gfn = _gfn(paging_gva_to_gfn(dp->vcpu[0], vaddr, &pfec)); if ( gfn_eq(*gfn, INVALID_GFN) ) { DBGP2("kdb:bad gfn from gva_to_gfn\n"); return INVALID_MFN; } mfn = get_gfn(dp, gfn_x(*gfn), &gfntype); if ( p2m_is_readonly(gfntype) && toaddr ) { DBGP2("kdb:p2m_is_readonly: gfntype:%x\n", gfntype); mfn = INVALID_MFN; } else DBGP2("X: vaddr:%lx domid:%d mfn:%#"PRI_mfn"\n", vaddr, dp->domain_id, mfn_x(mfn)); if ( mfn_eq(mfn, INVALID_MFN) ) { put_gfn(dp, gfn_x(*gfn)); *gfn = INVALID_GFN; } return mfn; }