diff options
| -rw-r--r-- | hw/phb4.c | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -3563,6 +3563,10 @@ static bool phb4_read_capabilities(struct phb4 *p) /* Read EEH capabilities */ val = in_be64(p->regs + PHB_PHB4_EEH_CAP); + if (val == 0xffffffffffffffff) { + PHBERR(p, "Failed to read EEH cap, PHB appears broken\n"); + return false; + } p->max_num_pes = val >> 52; if (p->max_num_pes >= 512) { p->mrt_size = 16; @@ -3575,6 +3579,10 @@ static bool phb4_read_capabilities(struct phb4 *p) } val = in_be64(p->regs + PHB_PHB4_IRQ_CAP); + if (val == 0xffffffffffffffff) { + PHBERR(p, "Failed to read IRQ cap, PHB appears broken\n"); + return false; + } p->num_irqs = val & 0xffff; /* This works for 512 PEs. FIXME calculate for any hardware |