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memory: separate extended allocations from ordinary guest mappings

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This commit is contained in:
nmzik
2026-09-28 16:27:53 +04:00
parent ab2c1c4c03
commit c91fe80d64
5 changed files with 90 additions and 55 deletions
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src/libs/libAmpr.cpp
+5 -15
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@@ -685,8 +685,6 @@ constexpr int PROT_AMPR_READ = 0x40;
constexpr int PROT_AMPR_WRITE = 0x80;
constexpr int PROT_ACP_READ = 0x100;
constexpr int PROT_ACP_WRITE = 0x200;
constexpr uint64_t AMM_VA_START = 0x0000001000000000ull;
constexpr uint64_t AMM_VA_SIZE = 0x0000001000000000ull;
constexpr uint64_t APR_MAX_READ_LENGTH = 0x0000000100000000ull;
constexpr uint64_t APR_MAX_FILE_OFFSET = 0x0000010000000000ull;
constexpr uint64_t APR_MAX_APP_ADDRESS = 0x0000f00000000000ull;
@@ -750,13 +748,6 @@ struct AmmAutoPoolRange {
uint64_t used = 0;
};
struct AmmVirtualAddressRanges {
uint64_t va_start = 0;
uint64_t va_end = 0;
uint64_t multimap_va_start = 0;
uint64_t multimap_va_end = 0;
};
struct AmmUsageStatsData {
uint64_t size_in_bytes = 0;
uint16_t num_page_table_pool_entries = 0;
@@ -2386,19 +2377,18 @@ static void KYTY_SYSV_ABI AmmGetVirtualAddressRanges(uint64_t* va_start, uint64_
uint64_t* multimap_va_end) {
PRINT_NAME();
constexpr auto end = LibKernel::Memory::kExtendedMemoryBase + LibKernel::Memory::kExtendedMemorySize;
if (va_start != nullptr) {
AprShared::WriteGuest(reinterpret_cast<uint64_t>(va_start), AMM_VA_START);
AprShared::WriteGuest(reinterpret_cast<uint64_t>(va_start), LibKernel::Memory::kExtendedMemoryBase);
}
if (va_end != nullptr) {
AprShared::WriteGuest(reinterpret_cast<uint64_t>(va_end), AMM_VA_START + AMM_VA_SIZE);
AprShared::WriteGuest(reinterpret_cast<uint64_t>(va_end), end);
}
if (multimap_va_start != nullptr) {
AprShared::WriteGuest(reinterpret_cast<uint64_t>(multimap_va_start),
AMM_VA_START + AMM_VA_SIZE / 2u);
AprShared::WriteGuest(reinterpret_cast<uint64_t>(multimap_va_start), end);
}
if (multimap_va_end != nullptr) {
AprShared::WriteGuest(reinterpret_cast<uint64_t>(multimap_va_end),
AMM_VA_START + AMM_VA_SIZE);
AprShared::WriteGuest(reinterpret_cast<uint64_t>(multimap_va_end), end);
}
}