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Jessica_Natalia
2026-08-13 11:20:36 -03:00
parent 019d431190
commit 98d6b05477
9 changed files with 77 additions and 50 deletions
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include/psprecomp/guest_memory.hpp
+6 -6
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@@ -126,7 +126,7 @@ public:
: owner_(owner), ram_data_(ram_data), ram_limit8_(limit8),
ram_limit16_(limit16), ram_limit32_(limit32),
write_watch_enabled_(write_watch) {}
[[nodiscard]] static constexpr std::uint32_t ram_offset_of_fast(
[[nodiscard]] PSPRECOMP_MEMORY_FAST_PATH static constexpr std::uint32_t ram_offset_of_fast(
std::uint32_t address) noexcept {
return (address & 0x1FFFFFFFu) - GuestMemory::kPhysicalBase;
}
@@ -261,20 +261,20 @@ private:
// Canonicalize and rebase in one step. An address below kPhysicalBase --
// EDRAM included -- wraps to a value far above any RAM size, so a single
// unsigned compare rejects it along with every out-of-range access.
[[nodiscard]] static std::uint32_t ram_offset_of(std::uint32_t address) noexcept {
[[nodiscard]] PSPRECOMP_MEMORY_FAST_PATH static std::uint32_t ram_offset_of(std::uint32_t address) noexcept {
return (address & 0x1FFFFFFFu) - kPhysicalBase;
}
// Guest memory is little-endian, so on a little-endian host these are the
// same bytes the previous per-byte assembly produced, in one access.
[[nodiscard]] static std::uint16_t read_le16(const std::uint8_t *source) noexcept {
[[nodiscard]] PSPRECOMP_MEMORY_FAST_PATH static std::uint16_t read_le16(const std::uint8_t *source) noexcept {
std::uint16_t value{};
std::memcpy(&value, source, sizeof(value));
if constexpr (std::endian::native == std::endian::big)
value = static_cast<std::uint16_t>((value >> 8u) | (value << 8u));
return value;
}
[[nodiscard]] static std::uint32_t read_le32(const std::uint8_t *source) noexcept {
[[nodiscard]] PSPRECOMP_MEMORY_FAST_PATH static std::uint32_t read_le32(const std::uint8_t *source) noexcept {
std::uint32_t value{};
std::memcpy(&value, source, sizeof(value));
if constexpr (std::endian::native == std::endian::big)
@@ -282,12 +282,12 @@ private:
((value << 8u) & 0x00FF0000u) | ((value << 24u) & 0xFF000000u);
return value;
}
static void write_le16(std::uint8_t *destination, std::uint16_t value) noexcept {
PSPRECOMP_MEMORY_FAST_PATH static void write_le16(std::uint8_t *destination, std::uint16_t value) noexcept {
if constexpr (std::endian::native == std::endian::big)
value = static_cast<std::uint16_t>((value >> 8u) | (value << 8u));
std::memcpy(destination, &value, sizeof(value));
}
static void write_le32(std::uint8_t *destination, std::uint32_t value) noexcept {
PSPRECOMP_MEMORY_FAST_PATH static void write_le32(std::uint8_t *destination, std::uint32_t value) noexcept {
if constexpr (std::endian::native == std::endian::big)
value = ((value >> 24u) & 0x000000FFu) | ((value >> 8u) & 0x0000FF00u) |
((value << 8u) & 0x00FF0000u) | ((value << 24u) & 0xFF000000u);
include/psprecomp/runtime.hpp
+1 -1
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@@ -71,7 +71,7 @@ public:
using RecompiledEntryFunction = void (*)(Runtime &, AllegrexContext &, std::uint16_t,
GuestMemory::AotFastView &);
using HleFunction = std::function<void(Runtime &, AllegrexContext &)>;
using NativeFastPath = std::function<void(Runtime &, AllegrexContext &)>;
using NativeFastPath = void (*)(Runtime &, AllegrexContext &);
explicit Runtime(std::uint32_t ram_size = 32u * 1024u * 1024u);