Sinipelto
/
banan-os
forked from Bananymous/banan-os
1
0
Fork 0
Code Pull Requests Activity

Kernel: PCI devices now report their prog_if

This commit is contained in:
Bananymous 2023-04-19 16:28:51 +03:00
parent cd03a95128
commit cf0320e47d
3 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/include/kernel/PCI.h
View File

@ -20,6 +20,7 @@ namespace Kernel
uint8_t class_code() const { return m_class_code; }
uint8_t subclass() const { return m_subclass; }
uint8_t prog_if() const { return m_prog_if; }
private:
uint8_t m_bus;
@ -28,6 +29,7 @@ namespace Kernel
uint8_t m_class_code;
uint8_t m_subclass;
uint8_t m_prog_if;
};
class PCI

2
kernel/kernel/DeviceManager.cpp
View File

@ -31,7 +31,7 @@ namespace Kernel
controller = res.value();
break;
default:
dprintln("unsupported storage device (pci subclass {2H})", pci_device.subclass());
dprintln("unsupported storage device (pci {2H}.{2H}.{2H})", pci_device.class_code(), pci_device.subclass(), pci_device.prog_if());
break;
}

1
kernel/kernel/PCI.cpp
View File

@ -90,6 +90,7 @@ namespace Kernel
uint32_t type = read_word(0x0A);
m_class_code = (uint8_t)(type >> 8);
m_subclass = (uint8_t)(type);
m_prog_if = read_byte(0x09);
}
uint32_t PCIDevice::read_dword(uint8_t offset) const