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pci work

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able 2022-08-06 06:48:40 -05:00
parent 88df078d56
commit 4518e7ef5e
9 changed files with 205 additions and 31 deletions
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12
ableos/Cargo.toml
View file

@ -22,10 +22,18 @@ run-args = [
"-soundhw",
"pcspk",
# "-device",
# "VGA",
# "-device",
# "virtio-gpu-pci",
"-device",
"VGA",
"vmware-svga",
"-device",
"virtio-gpu-pci",
"sb16",
# "-machine", "pcspk-audiodev=0",

9
ableos/src/arch/x86_64/mod.rs
View file

@ -1,3 +1,9 @@
/*
* Copyright (c) 2022, able <abl3theabove@gmail.com>
*
* SPDX-License-Identifier: MPL-2.0
*/
pub mod drivers;
pub mod gdt;
pub mod init;
@ -10,7 +16,10 @@ use crate::arch::drivers::allocator;
use bootloader::{entry_point, BootInfo};
use x86_64::{instructions::hlt, VirtAddr};
#[cfg(not(test))]
entry_point![start];
#[cfg(not(test))]
#[no_mangle]
pub fn start(boot_info: &'static BootInfo) -> ! {
let phys_mem_offset = VirtAddr::new(boot_info.physical_memory_offset);

19
ableos/src/devices/pci/devices.rs Normal file
View file

@ -0,0 +1,19 @@
/*
* Copyright (c) 2022, able <abl3theabove@gmail.com>
*
* SPDX-License-Identifier: MPL-2.0
*/
use super::vendors::Vendor::{self, *};
#[derive(PartialEq, Clone, Eq, Debug)]
pub struct DeviceID {
pub vendor: Vendor,
pub id: u16,
}
impl DeviceID {
pub const fn new(vendor: Vendor, id: u16) -> Self {
Self { vendor, id }
}
}
pub const VMWARE_SVGA2: DeviceID = DeviceID::new(VMware, 0x0405);

68
ableos/src/devices/pci/enums.rs
View file

@ -1,3 +1,11 @@
/*
* Copyright (c) 2022, able <abl3theabove@gmail.com>
*
* SPDX-License-Identifier: MPL-2.0
*/
use core::fmt::Display;
/// The major class specification for a PCI device.
#[allow(dead_code)]
#[derive(Debug, Clone, Copy, PartialEq, Hash)]
@ -176,3 +184,63 @@ impl From<u16> for PciFullClass {
Self::from_u16(n)
}
}
impl Display for PciFullClass {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, " Class: ")?;
match self {
PciFullClass::Unclassified_NonVgaCompatible => write!(f, "\0LIGHTBLUE\0")?,
PciFullClass::Unclassified_VgaCompatible => write!(f, "\0LIGHTBLUE\0")?,
PciFullClass::MassStorage_ScsiBus => write!(f, "\0CYAN\0")?,
PciFullClass::MassStorage_IDE => write!(f, "\0CYAN\0")?,
PciFullClass::MassStorage_Floppy => write!(f, "\0CYAN\0")?,
PciFullClass::MassStorage_IpiBus => write!(f, "\0CYAN\0")?,
PciFullClass::MassStorage_RAID => write!(f, "\0CYAN\0")?,
PciFullClass::MassStorage_ATA => write!(f, "\0CYAN\0")?,
PciFullClass::MassStorage_SATA => write!(f, "\0CYAN\0")?,
PciFullClass::MassStorage_SerialSCSI => write!(f, "\0CYAN\0")?,
PciFullClass::MassStorage_NVM => write!(f, "\0CYAN\0")?,
PciFullClass::MassStorage_Other => write!(f, "\0CYAN\0")?,
PciFullClass::Network_Ethernet => write!(f, "\0MAGENTA\0")?,
PciFullClass::Network_TokenRing => write!(f, "\0MAGENTA\0")?,
PciFullClass::Network_FDDI => write!(f, "\0MAGENTA\0")?,
PciFullClass::Network_ATM => write!(f, "\0MAGENTA\0")?,
PciFullClass::Network_ISDN => write!(f, "\0MAGENTA\0")?,
PciFullClass::Network_WorldFlip => write!(f, "\0MAGENTA\0")?,
PciFullClass::Network_PICMG => write!(f, "\0MAGENTA\0")?,
PciFullClass::Network_Infiniband => write!(f, "\0MAGENTA\0")?,
PciFullClass::Network_Fabric => write!(f, "\0MAGENTA\0")?,
PciFullClass::Network_Other => write!(f, "\0MAGENTA\0")?,
PciFullClass::Display_VGA => write!(f, "\0YELLOW\0")?,
PciFullClass::Display_XGA => write!(f, "\0YELLOW\0")?,
PciFullClass::Display_3D => write!(f, "\0YELLOW\0")?,
PciFullClass::Display_Other => write!(f, "\0YELLOW\0")?,
PciFullClass::Multimedia_Video => write!(f, "\0LIGHTBLUE\0")?,
PciFullClass::Multimedia_AudioController => write!(f, "\0LIGHTBLUE\0")?,
PciFullClass::Multimedia_Telephony => write!(f, "\0LIGHTBLUE\0")?,
PciFullClass::Multimedia_AudioDevice => write!(f, "\0LIGHTBLUE\0")?,
PciFullClass::Multimedia_Other => write!(f, "\0LIGHTBLUE\0")?,
PciFullClass::Memory_RAM => write!(f, "\0BLUE\0")?,
PciFullClass::Memory_Flash => write!(f, "\0WHITE\0")?,
PciFullClass::Memory_Other => write!(f, "\0LIGHTGREY\0")?,
PciFullClass::Bridge_Host => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_ISA => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_EISA => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_MCA => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_PciToPci => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_PCMCIA => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_NuBus => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_CardBus => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_RACEway => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_PciToPciSemiTransparent => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_InfinibandToPci => write!(f, "\0GREEN\0")?,
PciFullClass::Bridge_Other => write!(f, "\0GREEN\0")?,
PciFullClass::Unknown => write!(f, "\0RED\0")?,
}
write!(f, "{:?} ({:#06X})\0RESET\0", self, self.as_u16())?;
Ok(())
}
}

40
ableos/src/devices/pci/mod.rs
View file

@ -10,12 +10,17 @@ use core::fmt::{Display, Error, Formatter};
#[macro_use]
extern crate serde;
pub mod devices;
mod enums;
pub mod support;
pub mod vendors;
pub use enums::*;
pub mod port;
use port::*;
use self::devices::DeviceID;
// PciDeviceInfo ///////////////////////////////////////////////////////////////
#[allow(dead_code)]
@ -25,8 +30,7 @@ use port::*;
pub struct PciDeviceInfo {
pub device: u8,
pub bus: u8,
pub device_id: u16,
pub vendor_id: u16,
pub device_id: DeviceID,
pub full_class: PciFullClass,
pub header_type: u8,
pub bars: [u32; 6],
@ -46,18 +50,13 @@ impl PciDeviceInfo {
}
impl Display for PciDeviceInfo {
fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error> {
let vendor_name = name_for_vendor_id(self.vendor_id);
let vendor_name = &self.device_id.vendor;
writeln!(
f,
"Device {} | Bus {:X} | Vendor: {}",
self.device, self.bus, vendor_name
)?;
writeln!(
f,
" Class: {:?} ({:#06X})",
self.full_class,
self.full_class.as_u16()
)?;
writeln!(f, "{}", self.full_class)?;
writeln!(f, " Header type: {:X}", self.header_type)?;
write!(f, " Supported functions: 0")?;
for (i, b) in self.supported_fns.iter().enumerate().skip(1) {
@ -86,22 +85,6 @@ impl Display for PciDeviceInfo {
// Public functions ////////////////////////////////////////////////////////////
/// Converts a u16 vendor id into a human-readable name.
pub fn name_for_vendor_id(vendor_id: u16) -> String {
let mut ret = match vendor_id {
0x1234 => "\0PINK\0QEMU (0x1234)".into(),
0x1AF4 => "\0PINK\0VirtIO (0x1AF4)".into(),
0x5333 => "\0YELLOW\0S3 Incorporated (0x5333)".into(),
0x8086 => "\0BLUE\0Intel Corp. (0x8086)".into(),
_ => format!("\0BROWN\0Unknown({:#06X})", vendor_id),
};
// trace!("{}", ret);
ret.push_str("\0RESET\0");
ret
}
/// Brute force scans for devices 0-31 on buses 0-255.
pub fn brute_force_scan() -> Vec<PciDeviceInfo> {
let mut infos = Vec::new();
@ -159,8 +142,11 @@ fn check_device(bus: u8, device: u8) -> Option<PciDeviceInfo> {
Some(PciDeviceInfo {
device,
bus,
device_id,
vendor_id,
device_id: DeviceID {
vendor: vendor_id.into(),
id: device_id,
},
// vendor_id,
full_class: pci_class,
header_type,
bars,

15
ableos/src/devices/pci/support.rs Normal file
View file

@ -0,0 +1,15 @@
/*
* Copyright (c) 2022, able <abl3theabove@gmail.com>
*
* SPDX-License-Identifier: MPL-2.0
*/
use super::devices::*;
pub fn check_pci_support(device_id: DeviceID) -> bool {
match device_id {
VMWARE_SVGA2 => true,
_ => false,
}
}

68
ableos/src/devices/pci/vendors.rs Normal file
View file

@ -0,0 +1,68 @@
/*
* Copyright (c) 2022, able <abl3theabove@gmail.com>
*
* SPDX-License-Identifier: MPL-2.0
*/
use core::fmt::Display;
#[derive(PartialEq, Debug, Clone, Eq)]
#[repr(u16)]
pub enum Vendor {
Qemu = 0x1234,
VMware = 0x15AD,
VirtIO = 0x1AF4,
Ati = 1002,
Intel = 0x8086,
S3Inc = 0x5333,
Unknown(u16),
}
impl From<u16> for Vendor {
fn from(vendor_id: u16) -> Self {
use Vendor::*;
match vendor_id {
0x15AD => VMware,
0x8086 => Intel,
1002 => Ati,
id => Unknown(id),
}
}
}
impl Into<u16> for Vendor {
fn into(self) -> u16 {
use Vendor::*;
match self {
VMware => 0x15AD,
Ati => 1002,
Qemu => 0x1234,
VirtIO => 0x1AF4,
Intel => 0x8086,
S3Inc => 0x5333,
Unknown(id) => id,
}
}
}
impl Display for Vendor {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
use Vendor::*;
let mut ret: String = match self {
Qemu => "\0PINK\0QEMU (0x1234)".into(),
VirtIO => "\0PINK\0VirtIO (0x1AF4)".into(),
VMware => "\0PINK\0VMWARE (0x15AD)".into(),
S3Inc => "\0YELLOW\0S3 Incorporated (0x5333)".into(),
Intel => "\0BLUE\0Intel Corp. (0x8086)".into(),
Ati => "\0RED\0ATI (0x1002)".into(),
Unknown(id) => format!("\0RED\0Unknown ({:#6})", id),
};
ret.push_str("\0RESET\0");
write!(f, "{}", ret)?;
Ok(())
}
}

3
ableos/src/lib.rs
View file

@ -17,9 +17,10 @@
naked_functions,
prelude_import,
)]
#![feature(arbitrary_enum_discriminant)]
#![feature(custom_test_frameworks)]
#![test_runner(crate::test_runner)]
#![reexport_test_harness_main = "test_main"]
#![test_runner(crate::test_runner)]
#[macro_use]
pub extern crate log;

2
ableos/src/tests/mod.rs
View file

@ -67,4 +67,4 @@ pub fn test_kernel_main(boot_info: &'static BootInfo) -> ! {
}
use bootloader::{entry_point, BootInfo};
// use crate::test_main;
use crate::test_main;