diff options
Diffstat (limited to 'usr.sbin/bhyve/pci_emul.c')
| -rw-r--r-- | usr.sbin/bhyve/pci_emul.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/usr.sbin/bhyve/pci_emul.c b/usr.sbin/bhyve/pci_emul.c index e7f4894..4682590 100644 --- a/usr.sbin/bhyve/pci_emul.c +++ b/usr.sbin/bhyve/pci_emul.c @@ -375,10 +375,27 @@ pci_emul_mem_handler(struct vmctx *ctx, int vcpu, int dir, uint64_t addr, offset = addr - pdi->pi_bar[bidx].addr; - if (dir == MEM_F_WRITE) - (*pe->pe_barwrite)(ctx, vcpu, pdi, bidx, offset, size, *val); - else - *val = (*pe->pe_barread)(ctx, vcpu, pdi, bidx, offset, size); + if (dir == MEM_F_WRITE) { + if (pdi->pi_bar[bidx].type == PCIBAR_MEM32 && size == 8) { + (*pe->pe_barwrite)(ctx, vcpu, pdi, bidx, offset, + 4, *val & 0xffffffff); + (*pe->pe_barwrite)(ctx, vcpu, pdi, bidx, offset + 4, + 4, *val >> 32); + } else { + (*pe->pe_barwrite)(ctx, vcpu, pdi, bidx, offset, + size, *val); + } + } else { + if (pdi->pi_bar[bidx].type == PCIBAR_MEM32 && size == 8) { + *val = (*pe->pe_barread)(ctx, vcpu, pdi, bidx, + offset, 4); + *val |= (*pe->pe_barread)(ctx, vcpu, pdi, bidx, + offset + 4, 4) << 32; + } else { + *val = (*pe->pe_barread)(ctx, vcpu, pdi, bidx, + offset, size); + } + } return (0); } |
