diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/pci-host/pnv_phb4.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/pci-host/pnv_phb4.c b/hw/pci-host/pnv_phb4.c index ee56377..e91249e 100644 --- a/hw/pci-host/pnv_phb4.c +++ b/hw/pci-host/pnv_phb4.c @@ -1267,7 +1267,9 @@ static void pnv_phb4_translate_tve(PnvPhb4DMASpace *ds, hwaddr addr, /* TODO: Limit to support IO page sizes */ /* TODO: Multi-level untested */ - while ((lev--) >= 0) { + do { + lev--; + /* Grab the TCE address */ taddr = base | (((addr >> sh) & ((1ul << tbl_shift) - 1)) << 3); if (dma_memory_read(&address_space_memory, taddr, &tce, @@ -1288,7 +1290,7 @@ static void pnv_phb4_translate_tve(PnvPhb4DMASpace *ds, hwaddr addr, } sh -= tbl_shift; base = tce & ~0xfffull; - } + } while (lev >= 0); /* We exit the loop with TCE being the final TCE */ if ((is_write & !(tce & 2)) || ((!is_write) && !(tce & 1))) { |