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Linux fix

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This commit is contained in:
Nekotekina 2015-02-07 18:35:54 +03:00
parent 6aef58318c
commit e70875ad5c
2 changed files with 31 additions and 25 deletions
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36
rpcs3/Emu/Memory/vm.cpp
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@ -14,6 +14,8 @@
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
/* OS X uses MAP_ANON instead of MAP_ANONYMOUS */
#ifndef MAP_ANONYMOUS
@ -25,8 +27,6 @@ namespace vm
{
#ifdef _WIN32
HANDLE g_memory_handle;
#else
int g_memory_handle;
#endif
void* g_priv_addr;
@ -43,10 +43,22 @@ namespace vm
//return VirtualAlloc(nullptr, 0x100000000, MEM_RESERVE, PAGE_NOACCESS);
#else
g_memory_handle = shm_open("/rpcs3_vm", O_RDWR | O_CREAT | O_EXCL, 0);
//shm_unlink("/rpcs3_vm");
void* base_addr = mmap(nullptr, 0x100000000, PROT_NONE, MAP_PRIVATE, g_memory_handle, 0);
g_priv_addr = mmap(nullptr, 0x100000000, PROT_NONE, MAP_PRIVATE, g_memory_handle, 0);
int memory_handle = shm_open("/rpcs3_vm", O_RDWR | O_CREAT | O_EXCL, 0);
if (memory_handle == -1)
{
printf("shm_open() failed\n");
return (void*)-1;
}
ftruncate(memory_handle, 0x100000000);
void* base_addr = mmap(nullptr, 0x100000000, PROT_NONE, MAP_SHARED, memory_handle, 0);
g_priv_addr = mmap(nullptr, 0x100000000, PROT_NONE, MAP_SHARED, memory_handle, 0);
shm_unlink("/rpcs3_vm");
return base_addr;
@ -63,8 +75,6 @@ namespace vm
#else
munmap(g_base_addr, 0x100000000);
munmap(g_priv_addr, 0x100000000);
shm_unlink("/rpcs3_vm");
#endif
}
@ -94,7 +104,7 @@ namespace vm
while (!m_owner.compare_exchange_strong(old, owner))
{
std::unique_lock<std::mutex> cv_lock(m_cv_mutex);
m_cv.wait_for(cv_lock, std::chrono::milliseconds(1));
if (old == owner)
@ -146,7 +156,7 @@ namespace vm
DWORD old;
if (!VirtualProtect(vm::get_ptr(addr & ~0xfff), 4096, PAGE_READONLY, &old))
#else
if (!::mprotect(vm::get_ptr(addr & ~0xfff), 4096, PROT_READ))
if (mprotect(vm::get_ptr(addr & ~0xfff), 4096, PROT_READ))
#endif
{
throw fmt::format("vm::_reservation_set() failed (addr=0x%x)", addr);
@ -164,7 +174,7 @@ namespace vm
#ifdef _WIN32
if (!VirtualAlloc(vm::get_ptr(addr & ~0xfff), 4096, MEM_COMMIT, PAGE_READWRITE))
#else
if (!::mprotect(vm::get_ptr(addr & ~0xfff), 4096, PROT_READ | PROT_WRITE))
if (mprotect(vm::get_ptr(addr & ~0xfff), 4096, PROT_READ | PROT_WRITE))
#endif
{
throw fmt::format("vm::_reservation_break() failed (addr=0x%x)", addr);
@ -297,7 +307,7 @@ namespace vm
// change memory protection to read-only
_reservation_set(addr);
// set additional information
g_reservation_addr = addr;
g_reservation_owner = GetCurrentNamedThread();
@ -352,7 +362,7 @@ namespace vm
{
return res;
}
if (real_pointer)
{
throw fmt::format("vm::get_addr(0x%016llx) failed: not a part of virtual memory", (u64)real_pointer);
@ -557,4 +567,4 @@ namespace vm
}
}
}
}
}