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Changed return type of Find4GBBase() to u8*, since it really is a pointer (all callers were typecasting it to u8*).

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@553 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Maarten ter Huurne 2008-09-17 07:58:17 +00:00
parent 9e49eda4f1
commit f70819197a
3 changed files with 14 additions and 14 deletions
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22
Source/Core/Common/Src/MemArena.cpp
View File

@ -30,7 +30,7 @@
#if !defined(MAP_ANONYMOUS) && defined(MAP_ANON)
#define MAP_ANONYMOUS MAP_ANON
#endif
const char* ram_temp_file = "/tmp/gc_mem.tmp";
@ -106,18 +106,18 @@ void MemArena::ReleaseView(void* view, size_t size)
}
u64 MemArena::Find4GBBase()
u8* MemArena::Find4GBBase()
{
#ifdef _M_X64
#ifdef _WIN32
// 64 bit
u8* base = (u8*)VirtualAlloc(0, 0xE1000000, MEM_RESERVE, PAGE_READWRITE);
VirtualFree(base, 0, MEM_RELEASE);
return((u64)base);
return base;
#else
// Very precarious - mmap cannot return an error when trying to map already used pages.
// This makes the Windows approach above unusable on Linux, so we will simply pray...
return(0x2300000000ULL);
return reinterpret_cast<u8*>(0x2300000000ULL);
#endif
#else
@ -127,12 +127,12 @@ u64 MemArena::Find4GBBase()
u8* base = (u8*)VirtualAlloc(0, 0x31000000, MEM_RESERVE, PAGE_READWRITE);
if (base) {
VirtualFree(base, 0, MEM_RELEASE);
}
return((u64)base);
#else
void* base = mmap(0, 0x31000000, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_SHARED, 0, 0);
munmap(base, 0x31000000);
return reinterpret_cast<u64>(base);
#endif
}
return base;
#else
void* base = mmap(0, 0x31000000, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_SHARED, 0, 0);
munmap(base, 0x31000000);
return static_cast<u8*>(base);
#endif
#endif
}

2
Source/Core/Common/Src/MemArena.h
View File

@ -41,7 +41,7 @@ class MemArena
// This only finds 1 GB in 32-bit
static u64 Find4GBBase();
static u8* Find4GBBase();
private:

4
Source/Core/Core/Src/HW/Memmap.cpp
View File

@ -449,7 +449,7 @@ bool Init()
#ifdef _M_X64
//Then, in x64 mode where we have space, grab a 4GB virtual address space
//TODO: grab 8GB and align, for easier debugging
base = (u8*)MemArena::Find4GBBase();
base = MemArena::Find4GBBase();
//OK, we know where to find free space. Now grab it!
//Physical should be unmapped when not in "real mode"
@ -478,7 +478,7 @@ bool Init()
}
#else
// Do a poor mans version - just grab 1GB, possibly discontiguous, and use &0x3FFFFFFF as the mask whenever it is accessed.
base = (u8*)MemArena::Find4GBBase();
base = MemArena::Find4GBBase();
if (!base) {
PanicAlert("Failed to grab 1 GB of contiguous memory!\nDo you have an antivirus program or any other program\n"
"that injects itself into every process, consuming address space?\nOr simply a bad graphics driver?\n\n"