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Add pci_find_device for pci type 0 requests.

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This commit is contained in:
joevt 2023-09-22 17:42:55 -07:00 committed by dingusdev
parent b0d33a5385
commit a11770961e
4 changed files with 14 additions and 12 deletions
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6
devices/common/pci/bandit.cpp
View File

@ -200,7 +200,6 @@ inline void BanditHost::cfg_setup(uint32_t offset, int size, int &bus_num,
int &dev_num, int &fun_num, uint8_t &reg_offs,
AccessDetails &details, PCIBase *&device)
{
device = NULL;
details.size = size;
details.offset = offset & 3;
fun_num = FUN_NUM();
@ -219,12 +218,11 @@ inline void BanditHost::cfg_setup(uint32_t offset, int size, int &bus_num,
for (dev_num = -1, idsel = this->config_addr; idsel; idsel >>= 1, dev_num++) {}
LOG_F(ERROR, "%s: config_addr 0x%08x does not contain valid IDSEL",
this->name.c_str(), (uint32_t)this->config_addr);
device = NULL;
return;
}
dev_num = WHAT_BIT_SET(idsel);
if (this->dev_map.count(DEV_FUN(dev_num, fun_num))) {
device = this->dev_map[DEV_FUN(dev_num, fun_num)];
}
device = pci_find_device(dev_num, fun_num);
}
int BanditHost::device_postinit()

14
devices/common/pci/pcihost.cpp
View File

@ -187,14 +187,20 @@ PCIBase *PCIHost::pci_find_device(uint8_t bus_num, uint8_t dev_num, uint8_t fun_
for (auto& bridge : this->bridge_devs) {
if (bridge->secondary_bus <= bus_num) {
if (bridge->secondary_bus == bus_num) {
if (bridge->dev_map.count(DEV_FUN(dev_num, fun_num))) {
return bridge->dev_map[DEV_FUN(dev_num, fun_num)];
}
return bridge->pci_find_device(dev_num, fun_num);
}
else if (bridge->subordinate_bus >= bus_num) {
if (bridge->subordinate_bus >= bus_num) {
return bridge->pci_find_device(bus_num, dev_num, fun_num);
}
}
}
return NULL;
}
PCIBase *PCIHost::pci_find_device(uint8_t dev_num, uint8_t fun_num)
{
if (this->dev_map.count(DEV_FUN(dev_num, fun_num))) {
return this->dev_map[DEV_FUN(dev_num, fun_num)];
}
return NULL;
}

1
devices/common/pci/pcihost.h
View File

@ -76,6 +76,7 @@ public:
virtual void pci_io_write_broadcast(uint32_t offset, int size, uint32_t value);
virtual PCIBase *pci_find_device(uint8_t bus_num, uint8_t dev_num, uint8_t fun_num);
virtual PCIBase *pci_find_device(uint8_t dev_num, uint8_t fun_num);
virtual void pci_interrupt(uint8_t irq_line_state, PCIBase *dev) {}

5
devices/memctrl/mpc106.cpp
View File

@ -168,7 +168,6 @@ inline void MPC106::cfg_setup(uint32_t offset, int size, int &bus_num, int &dev_
int &fun_num, uint8_t &reg_offs, AccessDetails &details,
PCIBase *&device)
{
device = NULL;
details.size = size;
details.offset = offset & 3;
@ -183,9 +182,7 @@ inline void MPC106::cfg_setup(uint32_t offset, int size, int &bus_num, int &dev_
}
else {
details.flags = PCI_CONFIG_TYPE_0;
if (this->dev_map.count(DEV_FUN(dev_num, fun_num))) {
device = this->dev_map[DEV_FUN(dev_num, fun_num)];
}
device = pci_find_device(dev_num, fun_num);
}
}