diff options
Diffstat (limited to 'Kernel/PCI/Access.h')
| -rw-r--r-- | Kernel/PCI/Access.h | 51 |
1 files changed, 6 insertions, 45 deletions
diff --git a/Kernel/PCI/Access.h b/Kernel/PCI/Access.h index 05cb50e49b..40f8d37495 100644 --- a/Kernel/PCI/Access.h +++ b/Kernel/PCI/Access.h @@ -34,49 +34,10 @@ namespace Kernel { class PCI::Access { public: virtual void enumerate_all(Function<void(Address, ID)>&) = 0; - virtual u8 get_interrupt_line(Address address) { return read8_field(address, PCI_INTERRUPT_LINE); } - virtual u32 get_BAR0(Address address) { return read32_field(address, PCI_BAR0); } - virtual u32 get_BAR1(Address address) { return read32_field(address, PCI_BAR1); } - virtual u32 get_BAR2(Address address) { return read32_field(address, PCI_BAR2); } - virtual u32 get_BAR3(Address address) { return read32_field(address, PCI_BAR3); } - virtual u32 get_BAR4(Address address) { return read32_field(address, PCI_BAR4); } - virtual u32 get_BAR5(Address address) { return read32_field(address, PCI_BAR5); } - virtual size_t get_BAR_Space_Size(Address address, u8 bar_number) - { - // See PCI Spec 2.3, Page 222 - ASSERT(bar_number < 6); - u8 field = (PCI_BAR0 + (bar_number << 2)); - u32 bar_reserved = read32_field(address, field); - write32_field(address, field, 0xFFFFFFFF); - u32 space_size = read32_field(address, field); - write32_field(address, field, bar_reserved); - space_size &= 0xfffffff0; - space_size = (~space_size) + 1; - return space_size; - } - virtual ID get_id(Address address) final; - virtual void enable_interrupt_line(Address address) final - { - write16_field(address, PCI_COMMAND, read16_field(address, PCI_COMMAND) & ~(1 << 10)); - } - virtual void disable_interrupt_line(Address address) final - { - write16_field(address, PCI_COMMAND, read16_field(address, PCI_COMMAND) | 1 << 10); - } - virtual u8 get_revision_id(Address address) { return read8_field(address, PCI_REVISION_ID); } - virtual u8 get_subclass(Address address) { return read8_field(address, PCI_SUBCLASS); } - virtual u8 get_class(Address address) { return read8_field(address, PCI_CLASS); } - virtual u16 get_subsystem_id(Address address) { return read16_field(address, PCI_SUBSYSTEM_ID); } - virtual u16 get_subsystem_vendor_id(Address address) { return read16_field(address, PCI_SUBSYSTEM_VENDOR_ID); } - virtual u16 read_type(Address address) { return (read8_field(address, PCI_CLASS) << 8u) | read8_field(address, PCI_SUBCLASS); } - - virtual void enable_bus_mastering(Address) final; - virtual void disable_bus_mastering(Address) final; - - virtual void enumerate_bus(int type, u8 bus, Function<void(Address, ID)>&) final; - virtual void enumerate_functions(int type, u8 bus, u8 slot, u8 function, Function<void(Address, ID)>& callback) final; - virtual void enumerate_slot(int type, u8 bus, u8 slot, Function<void(Address, ID)>& callback) final; + void enumerate_bus(int type, u8 bus, Function<void(Address, ID)>&); + void enumerate_functions(int type, u8 bus, u8 slot, u8 function, Function<void(Address, ID)>& callback); + void enumerate_slot(int type, u8 bus, u8 slot, Function<void(Address, ID)>& callback); static Access& the(); static bool is_initialized(); @@ -89,12 +50,12 @@ public: virtual void write16_field(Address address, u32 field, u16 value) = 0; virtual void write32_field(Address address, u32 field, u32 value) = 0; -protected: - Access(); - virtual u8 read8_field(Address address, u32 field) = 0; virtual u16 read16_field(Address address, u32 field) = 0; virtual u32 read32_field(Address address, u32 field) = 0; + +protected: + Access(); }; } |