Commit graph

7 commits

Author SHA1 Message Date
Liav A
0fc60e41dd Kernel: Use klog() instead of kprintf()
Also, duplicate data in dbg() and klog() calls were removed.
In addition, leakage of virtual address to kernel log is prevented.
This is done by replacing kprintf() calls to dbg() calls with the
leaked data instead.
Also, other kprintf() calls were replaced with klog().
2020-03-02 22:23:39 +01:00
Liav A
3539666ac9 Kernel: Add PCI helpers to enable and disable the interrupt line 2020-02-24 11:27:03 +01:00
Andreas Kling
a356e48150 Kernel: Move all code into the Kernel namespace 2020-02-16 01:27:42 +01:00
Liav A
583e9ad372 Kernel: Detect devices when enumerating the PCI bus
Instead of making each driver to enumerate the PCI bus itself,
PCI::Initializer will call detect_devices() to do one enumeration
of the bus.
2020-02-02 00:57:13 +01:00
Andreas Kling
94ca55cefd Meta: Add license header to source files
As suggested by Joshua, this commit adds the 2-clause BSD license as a
comment block to the top of every source file.

For the first pass, I've just added myself for simplicity. I encourage
everyone to add themselves as copyright holders of any file they've
added or modified in some significant way. If I've added myself in
error somewhere, feel free to replace it with the appropriate copyright
holder instead.

Going forward, all new source files should include a license header.
2020-01-18 09:45:54 +01:00
Liav A
a9884fbbe5 Kernel: Remove problematic memory mapping methods
mmap() & mmap_region() methods are removed from ACPI & DMI components,
and we replace them with the new MM.allocate_kernel_region() helper.

Instead of doing a raw calculation for each VM address, from now on we
can use helper functions to do perform those calculations in a neat,
reusable and readable way.
2020-01-14 15:38:58 +01:00
Liav A
e5ffa960d7 Kernel: Create support for PCI ECAM
The new PCI subsystem is initialized during runtime.
PCI::Initializer is supposed to be called during early boot, to
perform a few tests, and initialize the proper configuration space
access mechanism. Kernel boot parameters can be specified by a user to
determine what tests will occur, to aid debugging on problematic
machines.
After that, PCI::Initializer should be dismissed.

PCI::IOAccess is a class that is derived from PCI::Access
class and implements PCI configuration space access mechanism via x86
IO ports.
PCI::MMIOAccess is a class that is derived from PCI::Access
and implements PCI configurtaion space access mechanism via memory
access.

The new PCI subsystem also supports determination of IO/MMIO space
needed by a device by checking a given BAR.
In addition, Every device or component that use the PCI subsystem has
changed to match the last changes.
2020-01-02 00:50:09 +01:00