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Diffstat (limited to 'Private/HALKit/AMD64/PCI/Device.cpp')
-rw-r--r--Private/HALKit/AMD64/PCI/Device.cpp199
1 files changed, 92 insertions, 107 deletions
diff --git a/Private/HALKit/AMD64/PCI/Device.cpp b/Private/HALKit/AMD64/PCI/Device.cpp
index f8b5f629..597e936b 100644
--- a/Private/HALKit/AMD64/PCI/Device.cpp
+++ b/Private/HALKit/AMD64/PCI/Device.cpp
@@ -10,118 +10,103 @@
#include <ArchKit/Arch.hpp>
#include <KernelKit/PCI/Device.hpp>
+hCore::UInt LumiaPCIReadRaw(hCore::UInt bar, hCore::UShort bus,
+ hCore::UShort dev, hCore::UShort fun) {
+ hCore::UInt target = 0x80000000 | ((hCore::UInt)bus << 16) |
+ ((hCore::UInt)dev << 11) | ((hCore::UInt)fun << 8) |
+ (bar & 0xFC);
-hCore::UInt LumiaPCIReadRaw(hCore::UInt bar, hCore::UShort bus, hCore::UShort dev, hCore::UShort fun)
-{
- hCore::UInt target = 0x80000000 | ((hCore::UInt) bus << 16) | ((hCore::UInt) dev << 11) | ((hCore::UInt) fun << 8) |
- (bar & 0xFC);
+ hCore::HAL::out32((hCore::UShort)hCore::PCI::PciConfigKind::ConfigAddress,
+ target);
- hCore::HAL::out32((hCore::UShort) hCore::PCI::PciConfigKind::ConfigAddress, target);
+ return hCore::HAL::in32((hCore::UShort)hCore::PCI::PciConfigKind::ConfigData);
+}
+
+void LumiaPCISetCfgTarget(hCore::UInt bar, hCore::UShort bus, hCore::UShort dev,
+ hCore::UShort fun) {
+ hCore::UInt target = 0x80000000 | ((hCore::UInt)bus << 16) |
+ ((hCore::UInt)dev << 11) | ((hCore::UInt)fun << 8) |
+ (bar & ~3);
+
+ hCore::HAL::out32((hCore::UShort)hCore::PCI::PciConfigKind::ConfigAddress,
+ target);
+}
+
+namespace hCore::PCI {
+Device::Device(UShort bus, UShort device, UShort func, UShort bar)
+ : m_Bus(bus), m_Device(device), m_Function(func), m_Bar(bar) {}
+
+Device::~Device() {}
+
+UInt Device::Read(UInt bar, Size sz) {
+ LumiaPCISetCfgTarget(bar, m_Bus, m_Device, m_Function);
+
+ if (sz == 4)
+ return HAL::in32((UShort)PciConfigKind::ConfigData + (m_Bar & 3));
+ if (sz == 2)
+ return HAL::in16((UShort)PciConfigKind::ConfigData + (m_Bar & 3));
+ if (sz == 1) return HAL::in8((UShort)PciConfigKind::ConfigData + (m_Bar & 3));
+
+ return 0xFFFF;
+}
+
+void Device::Write(UInt bar, UIntPtr data, Size sz) {
+ LumiaPCISetCfgTarget(bar, m_Bus, m_Device, m_Function);
+
+ if (sz == 4)
+ HAL::out32((UShort)PciConfigKind::ConfigData + (m_Bar & 3), (UInt)data);
+ if (sz == 2)
+ HAL::out16((UShort)PciConfigKind::ConfigData + (m_Bar & 3), (UShort)data);
+ if (sz == 1)
+ HAL::out8((UShort)PciConfigKind::ConfigData + (m_Bar & 3), (UChar)data);
+}
+
+UShort Device::DeviceId() {
+ return (UShort)(LumiaPCIReadRaw(0x0 >> 16, m_Bus, m_Device, m_Function));
+}
- return hCore::HAL::in32((hCore::UShort) hCore::PCI::PciConfigKind::ConfigData);
+UShort Device::VendorId() {
+ return (UShort)(LumiaPCIReadRaw(0x0, m_Bus, m_Device, m_Function) >> 16);
}
-void LumiaPCISetCfgTarget(hCore::UInt bar, hCore::UShort bus, hCore::UShort dev, hCore::UShort fun)
-{
- hCore::UInt target =
- 0x80000000 | ((hCore::UInt) bus << 16) | ((hCore::UInt) dev << 11) | ((hCore::UInt) fun << 8) | (bar & ~3);
+UShort Device::InterfaceId() {
+ return (UShort)(LumiaPCIReadRaw(0x0, m_Bus, m_Device, m_Function) >> 16);
+}
+
+UChar Device::Class() {
+ return (UChar)(LumiaPCIReadRaw(0x08, m_Bus, m_Device, m_Function) >> 24);
+}
+
+UChar Device::Subclass() {
+ return (UChar)(LumiaPCIReadRaw(0x08, m_Bus, m_Device, m_Function) >> 16);
+}
+
+UChar Device::ProgIf() {
+ return (UChar)(LumiaPCIReadRaw(0x08, m_Bus, m_Device, m_Function) >> 8);
+}
+
+UChar Device::HeaderType() {
+ return (UChar)(LumiaPCIReadRaw(0xC, m_Bus, m_Device, m_Function) >> 16);
+}
+
+void Device::EnableMmio() {
+ bool enable = Read(0x04, sizeof(UChar)) | (1 << 1);
+ Write(0x04, enable, sizeof(UShort));
+}
+
+void Device::BecomeBusMaster() {
+ bool enable = Read(0x04, sizeof(UShort)) | (1 << 2);
+ Write(0x04, enable, sizeof(UShort));
+}
+
+UShort Device::Vendor() {
+ UShort vendor = VendorId();
+
+ if (vendor != (UShort)PciConfigKind::Invalid)
+ m_Device = (UShort)Read(0x0, sizeof(UShort));
- hCore::HAL::out32((hCore::UShort) hCore::PCI::PciConfigKind::ConfigAddress, target);
+ return m_Device;
}
-namespace hCore::PCI
-{
- Device::Device(UShort bus, UShort device, UShort func, UShort bar)
- : m_Bus(bus), m_Device(device), m_Function(func), m_Bar(bar)
- {}
-
- Device::~Device() {}
-
- UInt Device::Read(UInt bar, Size sz)
- {
- LumiaPCISetCfgTarget(bar, m_Bus, m_Device, m_Function);
-
- if (sz == 4)
- return HAL::in32((UShort) PciConfigKind::ConfigData + (m_Bar & 3));
- if (sz == 2)
- return HAL::in16((UShort) PciConfigKind::ConfigData + (m_Bar & 3));
- if (sz == 1)
- return HAL::in8((UShort) PciConfigKind::ConfigData + (m_Bar & 3));
-
- return 0xFFFF;
- }
-
- void Device::Write(UInt bar, UIntPtr data, Size sz)
- {
- LumiaPCISetCfgTarget(bar, m_Bus, m_Device, m_Function);
-
- if (sz == 4)
- HAL::out32((UShort) PciConfigKind::ConfigData + (m_Bar & 3), (UInt) data);
- if (sz == 2)
- HAL::out16((UShort) PciConfigKind::ConfigData + (m_Bar & 3), (UShort) data);
- if (sz == 1)
- HAL::out8((UShort) PciConfigKind::ConfigData + (m_Bar & 3), (UChar) data);
- }
-
- UShort Device::DeviceId()
- {
- return (UShort)(LumiaPCIReadRaw(0x0 >> 16, m_Bus, m_Device, m_Function));
- }
-
- UShort Device::VendorId()
- {
- return (UShort) (LumiaPCIReadRaw(0x0, m_Bus, m_Device, m_Function) >> 16);
- }
-
- UShort Device::InterfaceId()
- {
- return (UShort)(LumiaPCIReadRaw(0x0, m_Bus, m_Device, m_Function) >> 16);
- }
-
- UChar Device::Class()
- {
- return (UChar)(LumiaPCIReadRaw(0x08, m_Bus, m_Device, m_Function) >> 24);
- }
-
- UChar Device::Subclass()
- {
- return (UChar)(LumiaPCIReadRaw(0x08, m_Bus, m_Device, m_Function) >> 16);
- }
-
- UChar Device::ProgIf()
- {
- return (UChar)(LumiaPCIReadRaw(0x08, m_Bus, m_Device, m_Function) >> 8);
- }
-
- UChar Device::HeaderType()
- {
- return (UChar)(LumiaPCIReadRaw(0xC, m_Bus, m_Device, m_Function) >> 16);
- }
-
- void Device::EnableMmio()
- {
- bool enable = Read(0x04, sizeof(UChar)) | (1 << 1);
- Write(0x04, enable, sizeof(UShort));
- }
-
- void Device::BecomeBusMaster()
- {
- bool enable = Read(0x04, sizeof(UShort)) | (1 << 2);
- Write(0x04, enable, sizeof(UShort));
- }
-
- UShort Device::Vendor()
- {
- UShort vendor = VendorId();
-
- if (vendor != (UShort) PciConfigKind::Invalid)
- m_Device = (UShort) Read(0x0, sizeof(UShort));
-
- return m_Device;
- }
-
- Device::operator bool()
- {
- return VendorId() != (UShort) PciConfigKind::Invalid;
- }
-} // namespace hCore::PCI
+Device::operator bool() { return VendorId() != (UShort)PciConfigKind::Invalid; }
+} // namespace hCore::PCI
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