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pci.cpp: correct bug #5213 (nw)

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This commit is contained in:
yz70s 2019-06-12 22:30:15 +02:00
parent 3c955e03ea
commit 4d02f9f092
1 changed files with 13 additions and 1 deletions
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14
src/devices/machine/pci.cpp
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@ -189,9 +189,13 @@ READ16_MEMBER(pci_device::command_r)
WRITE16_MEMBER(pci_device::command_w)
{
uint16_t old = command;
mem_mask &= command_mask;
COMBINE_DATA(&command);
logerror("command = %04x\n", command);
if ((old ^ command) & 3)
remap_cb();
}
READ16_MEMBER(pci_device::status_r)
@ -300,8 +304,15 @@ void pci_device::map_device(uint64_t memory_window_start, uint64_t memory_window
{
for(int i=0; i<bank_count; i++) {
bank_info &bi = bank_infos[i];
if(uint32_t(bi.adr) == 0xffffffff)
if(uint32_t(bi.adr) >= 0xfffffffc)
continue;
if (bi.flags & M_IO) {
if (~command & 1)
continue;
} else {
if (~command & 2)
continue;
}
if(!bi.size || (bi.flags & M_DISABLED))
continue;
@ -361,6 +372,7 @@ void pci_device::skip_map_regs(int count)
void pci_device::add_map(uint64_t size, int flags, const address_map_constructor &map, device_t *relative_to)
{
assert(bank_count < 6);
assert((size & 3) == 0);
int bid = bank_count++;
bank_infos[bid].map = map;
bank_infos[bid].device = relative_to ? relative_to : this;