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Cleanup: formatting, comments, DPRINTFs.

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--HG--
extra : convert_revision : 565ab099f1c0744a13959e721c19dd03b7630f04
This commit is contained in:
Steve Reinhardt 2006-08-28 10:28:31 -07:00
parent 55bde23071
commit acfa88f732
2 changed files with 32 additions and 13 deletions
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15
src/dev/pcidev.cc
View file

@ -82,7 +82,8 @@ PciDev::PciConfigPort::recvFunctional(Packet *pkt)
}
void
PciDev::PciConfigPort::getDeviceAddressRanges(AddrRangeList &resp, AddrRangeList &snoop)
PciDev::PciConfigPort::getDeviceAddressRanges(AddrRangeList &resp,
AddrRangeList &snoop)
{
snoop.clear();
resp.push_back(RangeSize(configAddr, PCI_CONFIG_SIZE+1));
@ -157,21 +158,21 @@ PciDev::readConfig(Packet *pkt)
case sizeof(uint8_t):
pkt->set<uint8_t>(config.data[offset]);
DPRINTF(PCIDEV,
"read device: %#x function: %#x register: %#x 1 bytes: data: %#x\n",
"readConfig: dev %#x func %#x reg %#x 1 bytes: data = %#x\n",
params()->deviceNum, params()->functionNum, offset,
(uint32_t)pkt->get<uint8_t>());
break;
case sizeof(uint16_t):
pkt->set<uint16_t>(*(uint16_t*)&config.data[offset]);
DPRINTF(PCIDEV,
"read device: %#x function: %#x register: %#x 2 bytes: data: %#x\n",
"readConfig: dev %#x func %#x reg %#x 2 bytes: data = %#x\n",
params()->deviceNum, params()->functionNum, offset,
(uint32_t)pkt->get<uint16_t>());
break;
case sizeof(uint32_t):
pkt->set<uint32_t>(*(uint32_t*)&config.data[offset]);
DPRINTF(PCIDEV,
"read device: %#x function: %#x register: %#x 4 bytes: data: %#x\n",
"readConfig: dev %#x func %#x reg %#x 4 bytes: data = %#x\n",
params()->deviceNum, params()->functionNum, offset,
(uint32_t)pkt->get<uint32_t>());
break;
@ -221,7 +222,7 @@ PciDev::writeConfig(Packet *pkt)
panic("writing to a read only register");
}
DPRINTF(PCIDEV,
"write device: %#x function: %#x register: %#x 1 bytes: data: %#x\n",
"writeConfig: dev %#x func %#x reg %#x 1 bytes: data = %#x\n",
params()->deviceNum, params()->functionNum, offset,
(uint32_t)pkt->get<uint8_t>());
break;
@ -238,7 +239,7 @@ PciDev::writeConfig(Packet *pkt)
panic("writing to a read only register");
}
DPRINTF(PCIDEV,
"write device: %#x function: %#x register: %#x 2 bytes: data: %#x\n",
"writeConfig: dev %#x func %#x reg %#x 2 bytes: data = %#x\n",
params()->deviceNum, params()->functionNum, offset,
(uint32_t)pkt->get<uint16_t>());
break;
@ -305,7 +306,7 @@ PciDev::writeConfig(Packet *pkt)
DPRINTF(PCIDEV, "Writing to a read only register");
}
DPRINTF(PCIDEV,
"write device: %#x function: %#x register: %#x 4 bytes: data: %#x\n",
"writeConfig: dev %#x func %#x reg %#x 4 bytes: data = %#x\n",
params()->deviceNum, params()->functionNum, offset,
(uint32_t)pkt->get<uint32_t>());
break;

30
src/dev/pcidev.hh
View file

@ -78,7 +78,7 @@ class PciConfigData : public SimObject
/**
* PCI device, base implemnation is only config space.
* PCI device, base implementation is only config space.
*/
class PciDev : public DmaDevice
{
@ -93,7 +93,8 @@ class PciDev : public DmaDevice
virtual void recvFunctional(Packet *pkt) ;
virtual void getDeviceAddressRanges(AddrRangeList &resp, AddrRangeList &snoop);
virtual void getDeviceAddressRanges(AddrRangeList &resp,
AddrRangeList &snoop);
Platform *platform;
@ -107,7 +108,7 @@ class PciDev : public DmaDevice
PciConfigPort(PciDev *dev, int busid, int devid, int funcid,
Platform *p);
friend class PioPort::SendEvent;
friend class PioPort::SendEvent;
};
public:
@ -151,6 +152,10 @@ class PciDev : public DmaDevice
/** The current address mapping of the BARs */
Addr BARAddrs[6];
/**
* Does the given address lie within the space mapped by the given
* base address register?
*/
bool
isBAR(Addr addr, int bar) const
{
@ -158,6 +163,10 @@ class PciDev : public DmaDevice
return BARAddrs[bar] <= addr && addr < BARAddrs[bar] + BARSize[bar];
}
/**
* Which base address register (if any) maps the given address?
* @return The BAR number (0-5 inclusive), or -1 if none.
*/
int
getBAR(Addr addr)
{
@ -168,14 +177,23 @@ class PciDev : public DmaDevice
return -1;
}
/**
* Which base address register (if any) maps the given address?
* @param addr The address to check.
* @retval bar The BAR number (0-5 inclusive),
* only valid if return value is true.
* @retval offs The offset from the base address,
* only valid if return value is true.
* @return True iff address maps to a base address register's region.
*/
bool
getBAR(Addr paddr, Addr &daddr, int &bar)
getBAR(Addr addr, int &bar, Addr &offs)
{
int b = getBAR(paddr);
int b = getBAR(addr);
if (b < 0)
return false;
daddr = paddr - BARAddrs[b];
offs = addr - BARAddrs[b];
bar = b;
return true;
}