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SMMU: Simplify and remove old code.

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This commit is contained in:
Fernando Sahmkow
2023-12-30 08:20:29 +01:00
committed by Liam
parent 303cd31162
commit 9b11b9dce5
3 changed files with 13 additions and 71 deletions
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14
src/core/device_memory_manager.h
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@ -38,7 +38,6 @@ public:
DAddr Allocate(size_t size);
void AllocateFixed(DAddr start, size_t size);
DAddr AllocatePinned(size_t size);
void Free(DAddr start, size_t size);
void Map(DAddr address, VAddr virtual_address, size_t size, size_t process_id);
@ -108,7 +107,6 @@ public:
static constexpr size_t AS_BITS = Traits::device_virtual_bits;
private:
static constexpr bool supports_pinning = Traits::supports_pinning;
static constexpr size_t device_virtual_bits = Traits::device_virtual_bits;
static constexpr size_t device_as_size = 1ULL << device_virtual_bits;
static constexpr size_t physical_max_bits = 33;
@ -167,28 +165,28 @@ private:
}
void InsertCPUBacking(size_t page_index, VAddr address, size_t process_id) {
cpu_backing_address[page_index] = address | (process_id << page_index);
cpu_backing_address[page_index] = address | (process_id << process_id_start_bit);
}
Common::VirtualBuffer<VAddr> cpu_backing_address;
static constexpr size_t subentries = 4;
static constexpr size_t subentries = 8 / sizeof(u8);
static constexpr size_t subentries_mask = subentries - 1;
class CounterEntry final {
public:
CounterEntry() = default;
std::atomic_uint16_t& Count(std::size_t page) {
std::atomic_uint8_t& Count(std::size_t page) {
return values[page & subentries_mask];
}
const std::atomic_uint16_t& Count(std::size_t page) const {
const std::atomic_uint8_t& Count(std::size_t page) const {
return values[page & subentries_mask];
}
private:
std::array<std::atomic_uint16_t, subentries> values{};
std::array<std::atomic_uint8_t, subentries> values{};
};
static_assert(sizeof(CounterEntry) == subentries * sizeof(u16),
static_assert(sizeof(CounterEntry) == subentries * sizeof(u8),
"CounterEntry should be 8 bytes!");
static constexpr size_t num_counter_entries =