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core/memory: Pooled memory implementation (#1085)

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Daniel R. 2024-09-29 09:28:41 +02:00 • committed by GitHub
parent 5e98a3e1d8
commit 80bf46da4c
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GPG key ID: B5690EEEBB952194
12 changed files with 301 additions and 11 deletions
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23
src/core/memory.h
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@ -50,15 +50,17 @@ enum class VMAType : u32 {
Direct = 2,
Flexible = 3,
Pooled = 4,
Stack = 5,
Code = 6,
File = 7,
PoolReserved = 5,
Stack = 6,
Code = 7,
File = 8,
};
struct DirectMemoryArea {
PAddr base = 0;
size_t size = 0;
int memory_type = 0;
bool is_pooled = false;
bool is_free = true;
PAddr GetEnd() const {
@ -96,7 +98,7 @@ struct VirtualMemoryArea {
}
bool IsMapped() const noexcept {
return type != VMAType::Free && type != VMAType::Reserved;
return type != VMAType::Free && type != VMAType::Reserved && type != VMAType::PoolReserved;
}
bool CanMergeWith(const VirtualMemoryArea& next) const {
@ -135,6 +137,10 @@ public:
return total_direct_size;
}
u64 GetTotalFlexibleSize() const {
return total_flexible_size;
}
u64 GetAvailableFlexibleSize() const {
return total_flexible_size - flexible_usage;
}
@ -145,14 +151,21 @@ public:
void SetupMemoryRegions(u64 flexible_size);
PAddr PoolExpand(PAddr search_start, PAddr search_end, size_t size, u64 alignment);
PAddr Allocate(PAddr search_start, PAddr search_end, size_t size, u64 alignment,
int memory_type);
void Free(PAddr phys_addr, size_t size);
int PoolReserve(void** out_addr, VAddr virtual_addr, size_t size, MemoryMapFlags flags,
u64 alignment = 0);
int Reserve(void** out_addr, VAddr virtual_addr, size_t size, MemoryMapFlags flags,
u64 alignment = 0);
int PoolCommit(VAddr virtual_addr, size_t size, MemoryProt prot);
int MapMemory(void** out_addr, VAddr virtual_addr, size_t size, MemoryProt prot,
MemoryMapFlags flags, VMAType type, std::string_view name = "",
bool is_exec = false, PAddr phys_addr = -1, u64 alignment = 0);
@ -160,6 +173,8 @@ public:
int MapFile(void** out_addr, VAddr virtual_addr, size_t size, MemoryProt prot,
MemoryMapFlags flags, uintptr_t fd, size_t offset);
void PoolDecommit(VAddr virtual_addr, size_t size);
void UnmapMemory(VAddr virtual_addr, size_t size);
int QueryProtection(VAddr addr, void** start, void** end, u32* prot);