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Linux: port the emulator to a working state on Linux (#117)

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Linux: port the emulator to a working state
This commit is contained in:
Stefanos Costa
2026-07-29 01:25:58 +03:00
committed by GitHub
parent 3dc793d859
commit 2b9cba457e
30 changed files with 2320 additions and 381 deletions
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src/kernel/memory.cpp
+14
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@@ -242,6 +242,13 @@ static bool VirtualRangesOverlap(uint64_t left_start, uint64_t left_size, uint64
static bool CommitFixedHostRange(uint64_t start, uint64_t size, VirtualMemory::Mode mode) {
constexpr uint64_t PAGE_SIZE = 0x4000;
#if KYTY_PLATFORM != KYTY_PLATFORM_WINDOWS
// Prefer one syscall, then fall back to the per-page path.
if (size > PAGE_SIZE && VirtualMemory::AllocFixed(start, size, mode)) {
return true;
}
#endif
for (uint64_t addr = start; addr < start + size; addr += PAGE_SIZE) {
#if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS
MEMORY_BASIC_INFORMATION info {};
@@ -2992,6 +2999,13 @@ static bool ReserveFixedHostRange(uint64_t start, uint64_t size) {
g_test_host_reservation_pages_before_failure = UINT32_MAX;
#endif
#if KYTY_PLATFORM != KYTY_PLATFORM_WINDOWS
// Prefer one syscall, then fall back to the per-page path.
if (size > PAGE_SIZE && VirtualMemory::ReserveFixed(start, size)) {
return true;
}
#endif
bool host_mutated = false;
for (uint64_t addr = start; addr < start + size; addr += PAGE_SIZE) {
#if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS