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Kernel: Fix up various PCI-related function signatures

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- Make things const when they don't need to be non-const.
- Don't return AK::String when it's always a string literal anyway.
- Remove excessive get_ prefixes per coding style.
This commit is contained in:
Andreas Kling 2020-04-08 17:09:49 +02:00
parent 15cffc4089
commit 44e889785a
Notes: sideshowbarker 2024-07-19 07:48:09 +09:00
4 changed files with 29 additions and 25 deletions
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8
Kernel/PCI/Access.h
View file

@ -41,10 +41,10 @@ public:
static Access& the();
static bool is_initialized();
virtual uint32_t get_segments_count() = 0;
virtual uint8_t get_segment_start_bus(u32 segment) = 0;
virtual uint8_t get_segment_end_bus(u32 segment) = 0;
virtual String get_access_type() = 0;
virtual uint32_t segment_count() const = 0;
virtual uint8_t segment_start_bus(u32 segment) const = 0;
virtual uint8_t segment_end_bus(u32 segment) const = 0;
virtual const char* access_type() const = 0;
virtual void write8_field(Address address, u32 field, u8 value) = 0;
virtual void write16_field(Address address, u32 field, u16 value) = 0;

28
Kernel/PCI/IOAccess.h
View file

@ -28,29 +28,29 @@
#include <Kernel/PCI/Access.h>
namespace Kernel {
namespace PCI {
class PCI::IOAccess final : public PCI::Access {
class IOAccess final : public PCI::Access {
public:
static void initialize();
virtual void enumerate_all(Function<void(Address, ID)>&) override final;
virtual String get_access_type() override final { return "IO-Access"; };
virtual uint32_t get_segments_count() { return 1; };
virtual void write8_field(Address address, u32, u8) override final;
virtual void write16_field(Address address, u32, u16) override final;
virtual void write32_field(Address address, u32, u32) override final;
protected:
IOAccess();
private:
virtual u8 read8_field(Address address, u32) override final;
virtual u16 read16_field(Address address, u32) override final;
virtual u32 read32_field(Address address, u32) override final;
virtual void enumerate_all(Function<void(Address, ID)>&) override;
virtual const char* access_type() const override { return "IO-Access"; };
virtual uint32_t segment_count() const override { return 1; };
virtual void write8_field(Address address, u32, u8) override final;
virtual void write16_field(Address address, u32, u16) override final;
virtual void write32_field(Address address, u32, u32) override final;
virtual u8 read8_field(Address address, u32) override;
virtual u16 read16_field(Address address, u32) override;
virtual u32 read32_field(Address address, u32) override;
virtual uint8_t get_segment_start_bus(u32) { return 0x0; };
virtual uint8_t get_segment_end_bus(u32) { return 0xFF; };
virtual uint8_t segment_start_bus(u32) const override { return 0x0; }
virtual uint8_t segment_end_bus(u32) const override { return 0xFF; }
};
}
}

10
Kernel/PCI/MMIOAccess.cpp
View file

@ -33,16 +33,18 @@ namespace Kernel {
#define PCI_MMIO_CONFIG_SPACE_SIZE 4096
uint32_t PCI::MMIOAccess::get_segments_count()
uint32_t PCI::MMIOAccess::segment_count() const
{
return m_segments.size();
}
uint8_t PCI::MMIOAccess::get_segment_start_bus(u32 seg)
uint8_t PCI::MMIOAccess::segment_start_bus(u32 seg) const
{
ASSERT(m_segments.contains(seg));
return m_segments.get(seg).value()->get_start_bus();
}
uint8_t PCI::MMIOAccess::get_segment_end_bus(u32 seg)
uint8_t PCI::MMIOAccess::segment_end_bus(u32 seg) const
{
ASSERT(m_segments.contains(seg));
return m_segments.get(seg).value()->get_end_bus();
@ -213,10 +215,12 @@ PCI::MMIOSegment::MMIOSegment(PhysicalAddress segment_base_addr, u8 start_bus, u
, m_end_bus(end_bus)
{
}
u8 PCI::MMIOSegment::get_start_bus()
{
return m_start_bus;
}
u8 PCI::MMIOSegment::get_end_bus()
{
return m_end_bus;

8
Kernel/PCI/MMIOAccess.h
View file

@ -42,8 +42,8 @@ public:
static void initialize(PhysicalAddress mcfg);
virtual void enumerate_all(Function<void(Address, ID)>&) override final;
virtual String get_access_type() override final { return "MMIO-Access"; };
virtual u32 get_segments_count();
virtual const char* access_type() const override { return "MMIO-Access"; };
virtual u32 segment_count() const override;
virtual void write8_field(Address address, u32, u8) override final;
virtual void write16_field(Address address, u32, u16) override final;
@ -58,8 +58,8 @@ private:
virtual u32 read32_field(Address address, u32) override final;
void map_device(Address address);
virtual u8 get_segment_start_bus(u32);
virtual u8 get_segment_end_bus(u32);
virtual u8 segment_start_bus(u32) const override;
virtual u8 segment_end_bus(u32) const override;
PhysicalAddress m_mcfg;
HashMap<u16, MMIOSegment*>& m_segments;