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Simplify g_pages 

This was done because otherwise msvc runs out of heap space on azure.
This commit is contained in:
RipleyTom 2020-12-06 00:16:57 +01:00 committed by Ivan
parent 33635c5723
commit d0c271e534
2 changed files with 22 additions and 26 deletions
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40
rpcs3/Emu/Memory/vm.cpp
View File

@ -211,7 +211,7 @@ namespace vm
for (u32 i = begin / 4096, max = (begin + size - 1) / 4096; i <= max; i++)
{
if (!(g_pages[i].flags & (vm::page_readable)))
if (!(g_pages[i] & (vm::page_readable)))
{
test = i * 4096;
break;
@ -572,7 +572,7 @@ namespace vm
else
{
// TODO: Accurate locking in this case
if (!(g_pages[addr / 4096].flags & page_writable))
if (!(g_pages[addr / 4096] & page_writable))
{
return -1;
}
@ -665,7 +665,7 @@ namespace vm
for (u32 i = addr / 4096; i < addr / 4096 + size / 4096; i++)
{
if (g_pages[i].flags)
if (g_pages[i])
{
fmt::throw_exception("Memory already mapped (addr=0x%x, size=0x%x, flags=0x%x, current_addr=0x%x)" HERE, addr, size, flags, i * 4096);
}
@ -761,7 +761,7 @@ namespace vm
for (u32 i = addr / 4096; i < addr / 4096 + size / 4096; i++)
{
if (g_pages[i].flags.exchange(flags | page_allocated))
if (g_pages[i].exchange(flags | page_allocated))
{
fmt::throw_exception("Concurrent access (addr=0x%x, size=0x%x, flags=0x%x, current_addr=0x%x)" HERE, addr, size, flags, i * 4096);
}
@ -790,7 +790,7 @@ namespace vm
for (u32 i = addr / 4096; i < addr / 4096 + size / 4096; i++)
{
if ((g_pages[i].flags & flags_test) != (flags_test | page_allocated))
if ((g_pages[i] & flags_test) != (flags_test | page_allocated))
{
return false;
}
@ -810,14 +810,14 @@ namespace vm
if (i < end)
{
new_val = g_pages[i].flags;
new_val = g_pages[i];
new_val |= flags_set;
new_val &= ~flags_clear;
}
if (new_val != start_value)
{
const u8 old_val = g_pages[start].flags;
const u8 old_val = g_pages[start];
if (u32 page_size = (i - start) * 4096; page_size && old_val != start_value)
{
@ -833,7 +833,7 @@ namespace vm
for (u32 j = start; j < i; j++)
{
g_pages[j].flags.release(start_value);
g_pages[j].release(start_value);
}
if ((old_val ^ start_value) & (page_readable | page_writable))
@ -872,19 +872,19 @@ namespace vm
for (u32 i = addr / 4096; i < addr / 4096 + max_size / 4096; i++)
{
if ((g_pages[i].flags & page_allocated) == 0)
if ((g_pages[i] & page_allocated) == 0)
{
break;
}
if (size == 0)
{
is_exec = !!(g_pages[i].flags & page_executable);
is_exec = !!(g_pages[i] & page_executable);
}
else
{
// Must be consistent
verify(HERE), is_exec == !!(g_pages[i].flags & page_executable);
verify(HERE), is_exec == !!(g_pages[i] & page_executable);
}
size += 4096;
@ -905,12 +905,12 @@ namespace vm
for (u32 i = addr / 4096; i < addr / 4096 + size / 4096; i++)
{
if (!(g_pages[i].flags & page_allocated))
if (!(g_pages[i] & page_allocated))
{
fmt::throw_exception("Concurrent access (addr=0x%x, size=0x%x, current_addr=0x%x)" HERE, addr, size, i * 4096);
}
g_pages[i].flags.release(0);
g_pages[i].release(0);
}
// Notify rsx to invalidate range
@ -967,7 +967,7 @@ namespace vm
for (u32 i = addr / 4096, max = (addr + size - 1) / 4096; i <= max;)
{
auto state = +g_pages[i].flags;
auto state = +g_pages[i];
if (~state & flags) [[unlikely]]
{
@ -1063,7 +1063,7 @@ namespace vm
// Check if memory area is already mapped
for (u32 i = addr / 4096; i <= (addr + size - 1) / 4096; i++)
{
if (g_pages[i].flags)
if (g_pages[i])
{
return false;
}
@ -1075,8 +1075,8 @@ namespace vm
if (this->flags & 0x10)
{
// Mark overflow/underflow guard pages as allocated
verify(HERE), !g_pages[addr / 4096].flags.exchange(page_allocated);
verify(HERE), !g_pages[addr / 4096 + size / 4096 - 1].flags.exchange(page_allocated);
verify(HERE), !g_pages[addr / 4096].exchange(page_allocated);
verify(HERE), !g_pages[addr / 4096 + size / 4096 - 1].exchange(page_allocated);
}
// Map "real" memory pages; provide a function to search for mirrors with private member access
@ -1306,8 +1306,8 @@ namespace vm
if (flags & 0x10)
{
// Clear guard pages
verify(HERE), g_pages[addr / 4096 - 1].flags.exchange(0) == page_allocated;
verify(HERE), g_pages[addr / 4096 + size / 4096].flags.exchange(0) == page_allocated;
verify(HERE), g_pages[addr / 4096 - 1].exchange(0) == page_allocated;
verify(HERE), g_pages[addr / 4096 + size / 4096].exchange(0) == page_allocated;
}
// Unmap "real" memory pages
@ -1437,7 +1437,7 @@ namespace vm
for (u32 i = addr / 4096; i < addr / 4096 + size / 4096; i++)
{
if (g_pages[i].flags)
if (g_pages[i])
{
fmt::throw_exception("Unexpected pages allocated (current_addr=0x%x)" HERE, i * 4096);
}

8
rpcs3/Emu/Memory/vm.h
View File

@ -53,11 +53,7 @@ namespace vm
enum addr_t : u32 {};
// Page information
struct memory_page
{
// Memory flags
atomic_t<u8> flags;
};
using memory_page = atomic_t<u8>;
// Change memory protection of specified memory region
bool page_protect(u32 addr, u32 size, u8 flags_test = 0, u8 flags_set = 0, u8 flags_clear = 0);
@ -76,7 +72,7 @@ namespace vm
return check_addr(addr, flags, Size);
}
return !(~g_pages[addr / 4096].flags & (flags | page_allocated));
return !(~g_pages[addr / 4096] & (flags | page_allocated));
}
// Search and map memory in specified memory location (min alignment is 0x10000)