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managarm fixed their memfd

eden-managarm
lizzie 3 weeks ago
parent
commit
58fb0b9ded
  1. 10
      src/common/host_memory.cpp
  2. 2
      src/common/host_memory.h

10
src/common/host_memory.cpp

@ -516,7 +516,7 @@ public:
fd = shm_open_anon(O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW, 0600);
#elif defined(__FreeBSD__)
fd = shm_open(SHM_ANON, O_RDWR, 0600);
#elif defined(__APPLE__) || defined(__managarm__)
#elif defined(__APPLE__)
// macOS doesn't have memfd_create, use anonymous temporary file
char template_path[] = "/tmp/eden_mem_XXXXXX";
fd = mkstemp(template_path);
@ -723,7 +723,7 @@ HostMemory::HostMemory(HostMemory&&) noexcept = default;
HostMemory& HostMemory::operator=(HostMemory&&) noexcept = default;
void HostMemory::Map(size_t virtual_offset, size_t host_offset, size_t length, MemoryPermission perms, bool separate_heap) {
#if !(defined(__OPENORBIS__) || defined(__managarm__))
#if !defined(__OPENORBIS__)
ASSERT(virtual_offset % PageAlignment == 0);
ASSERT(host_offset % PageAlignment == 0);
ASSERT(length % PageAlignment == 0);
@ -737,7 +737,7 @@ void HostMemory::Map(size_t virtual_offset, size_t host_offset, size_t length, M
}
void HostMemory::Unmap(size_t virtual_offset, size_t length, bool separate_heap) {
#if !(defined(__OPENORBIS__) || defined(__managarm__))
#if !defined(__OPENORBIS__)
ASSERT(virtual_offset % PageAlignment == 0);
ASSERT(length % PageAlignment == 0);
ASSERT(virtual_offset + length <= virtual_size);
@ -749,7 +749,7 @@ void HostMemory::Unmap(size_t virtual_offset, size_t length, bool separate_heap)
}
void HostMemory::Protect(size_t virtual_offset, size_t length, MemoryPermission perm) {
#if !(defined(__OPENORBIS__) || defined(__managarm__))
#if !defined(__OPENORBIS__)
ASSERT(virtual_offset % PageAlignment == 0);
ASSERT(length % PageAlignment == 0);
ASSERT(virtual_offset + length <= virtual_size);
@ -768,7 +768,7 @@ void HostMemory::ClearBackingRegion(size_t physical_offset, size_t length, u32 f
}
void HostMemory::EnableDirectMappedAddress() {
#if !(defined(__OPENORBIS__) || defined(__managarm__))
#if !defined(__OPENORBIS__)
if (impl) {
impl->EnableDirectMappedAddress();
virtual_size += reinterpret_cast<uintptr_t>(virtual_base);

2
src/common/host_memory.h

@ -77,7 +77,7 @@ private:
size_t backing_size{};
size_t virtual_size{};
#if !(defined(__OPENORBIS__) || defined(__managarm__))
#if !defined(__OPENORBIS__)
// Low level handler for the platform dependent memory routines
class Impl;
std::unique_ptr<Impl> impl;

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