diff options
Diffstat (limited to 'hw/ppc/spapr_iommu.c')
| -rw-r--r-- | hw/ppc/spapr_iommu.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c index 46102b9ddd..9e49ec4a5c 100644 --- a/hw/ppc/spapr_iommu.c +++ b/hw/ppc/spapr_iommu.c @@ -140,6 +140,7 @@ static int spapr_tce_table_realize(DeviceState *dev) } sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn, + uint64_t bus_offset, uint32_t page_shift, uint32_t nb_table) { @@ -157,6 +158,7 @@ sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn, tcet = SPAPR_TCE_TABLE(object_new(TYPE_SPAPR_TCE_TABLE)); tcet->liobn = liobn; + tcet->bus_offset = bus_offset; tcet->page_shift = page_shift; tcet->nb_table = nb_table; @@ -204,14 +206,15 @@ static target_ulong put_tce_emu(sPAPRTCETable *tcet, target_ulong ioba, { IOMMUTLBEntry entry; hwaddr page_mask = IOMMU_PAGE_MASK(tcet->page_shift); + unsigned long index = (ioba - tcet->bus_offset) >> tcet->page_shift; - if ((ioba >> tcet->page_shift) >= tcet->nb_table) { + if (index >= tcet->nb_table) { hcall_dprintf("spapr_vio_put_tce on out-of-bounds IOBA 0x" TARGET_FMT_lx "\n", ioba); return H_PARAMETER; } - tcet->table[ioba >> tcet->page_shift] = tce; + tcet->table[index] = tce; entry.target_as = &address_space_memory, entry.iova = ioba & page_mask; @@ -330,13 +333,15 @@ static target_ulong h_put_tce(PowerPCCPU *cpu, sPAPREnvironment *spapr, static target_ulong get_tce_emu(sPAPRTCETable *tcet, target_ulong ioba, target_ulong *tce) { - if ((ioba >> tcet->page_shift) >= tcet->nb_table) { + unsigned long index = (ioba - tcet->bus_offset) >> tcet->page_shift; + + if (index >= tcet->nb_table) { hcall_dprintf("spapr_iommu_get_tce on out-of-bounds IOBA 0x" TARGET_FMT_lx "\n", ioba); return H_PARAMETER; } - *tce = tcet->table[ioba >> tcet->page_shift]; + *tce = tcet->table[index]; return H_SUCCESS; } |