Mirrors/yuzu
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Common: Remove mem_arena.cpp/h

Browse source 
It is superfluous for Citra. (It's only really necessary if you're doing
JIT. We were using it but not taking any advantage from it.) This should
make 32-bit builds work again.
This commit is contained in:
Yuri Kunde Schlesner 2015-05-07 19:01:09 -03:00
parent d9df5b575a
commit 3396f352cb
5 changed files with 31 additions and 560 deletions
Download patch file Download diff file Expand all files Collapse all files

113
src/core/mem_map.cpp
View file

@ -2,10 +2,8 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/mem_arena.h"
#include "core/mem_map.h"
@ -13,100 +11,51 @@
namespace Memory {
u8* g_base; ///< The base pointer to the auto-mirrored arena.
u8* g_exefs_code; ///< ExeFS:/.code is loaded here
u8* g_system_mem; ///< System memory
u8* g_heap; ///< Application heap (main memory)
u8* g_heap_linear; ///< Linear heap
u8* g_vram; ///< Video memory (VRAM) pointer
u8* g_shared_mem; ///< Shared memory
u8* g_dsp_mem; ///< DSP memory
u8* g_kernel_mem; ///< Kernel memory
static MemArena arena; ///< The MemArena class
namespace {
u8* g_exefs_code; ///< ExeFS:/.code is loaded here
u8* g_system_mem; ///< System memory
u8* g_heap; ///< Application heap (main memory)
u8* g_heap_linear; ///< Linear heap
u8* g_vram; ///< Video memory (VRAM) pointer
u8* g_shared_mem; ///< Shared memory
u8* g_dsp_mem; ///< DSP memory
u8* g_kernel_mem; ///< Kernel memory
static u8* physical_bootrom; ///< Bootrom physical memory
static u8* uncached_bootrom;
static u8* physical_exefs_code; ///< Phsical ExeFS:/.code is loaded here
static u8* physical_system_mem; ///< System physical memory
static u8* physical_fcram; ///< Main physical memory (FCRAM)
static u8* physical_heap_gsp; ///< GSP heap physical memory
static u8* physical_vram; ///< Video physical memory (VRAM)
static u8* physical_shared_mem; ///< Physical shared memory
static u8* physical_dsp_mem; ///< Physical DSP memory
static u8* physical_kernel_mem; ///< Kernel memory
// We don't declare the IO region in here since its handled by other means.
static MemoryView g_views[] = {
{&g_exefs_code, &physical_exefs_code, EXEFS_CODE_VADDR, EXEFS_CODE_SIZE, 0},
{&g_vram, &physical_vram, VRAM_VADDR, VRAM_SIZE, 0},
{&g_heap, &physical_fcram, HEAP_VADDR, HEAP_SIZE, MV_IS_PRIMARY_RAM},
{&g_shared_mem, &physical_shared_mem, SHARED_MEMORY_VADDR, SHARED_MEMORY_SIZE, 0},
{&g_system_mem, &physical_system_mem, SYSTEM_MEMORY_VADDR, SYSTEM_MEMORY_SIZE, 0},
{&g_dsp_mem, &physical_dsp_mem, DSP_MEMORY_VADDR, DSP_MEMORY_SIZE, 0},
{&g_kernel_mem, &physical_kernel_mem, KERNEL_MEMORY_VADDR, KERNEL_MEMORY_SIZE, 0},
{&g_heap_linear, &physical_heap_gsp, HEAP_LINEAR_VADDR, HEAP_LINEAR_SIZE, 0},
struct MemoryArea {
u8** ptr;
size_t size;
};
/*static MemoryView views[] =
{
{&m_pScratchPad, &m_pPhysicalScratchPad, 0x00010000, SCRATCHPAD_SIZE, 0},
{NULL, &m_pUncachedScratchPad, 0x40010000, SCRATCHPAD_SIZE, MV_MIRROR_PREVIOUS},
{&m_pVRAM, &m_pPhysicalVRAM, 0x04000000, 0x00800000, 0},
{NULL, &m_pUncachedVRAM, 0x44000000, 0x00800000, MV_MIRROR_PREVIOUS},
{&m_pRAM, &m_pPhysicalRAM, 0x08000000, g_MemorySize, MV_IS_PRIMARY_RAM}, // only from 0x08800000 is it usable (last 24 megs)
{NULL, &m_pUncachedRAM, 0x48000000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_PRIMARY_RAM},
{NULL, &m_pKernelRAM, 0x88000000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_PRIMARY_RAM},
// We don't declare the IO regions in here since its handled by other means.
static MemoryArea memory_areas[] = {
{&g_exefs_code, EXEFS_CODE_SIZE },
{&g_vram, VRAM_SIZE },
{&g_heap, HEAP_SIZE },
{&g_shared_mem, SHARED_MEMORY_SIZE},
{&g_system_mem, SYSTEM_MEMORY_SIZE},
{&g_dsp_mem, DSP_MEMORY_SIZE },
{&g_kernel_mem, KERNEL_MEMORY_SIZE},
{&g_heap_linear, HEAP_LINEAR_SIZE },
};
// TODO: There are a few swizzled mirrors of VRAM, not sure about the best way to
// implement those.
};*/
static const int kNumMemViews = sizeof(g_views) / sizeof(MemoryView); ///< Number of mem views
}
void Init() {
int flags = 0;
for (size_t i = 0; i < ARRAY_SIZE(g_views); i++) {
if (g_views[i].flags & MV_IS_PRIMARY_RAM)
g_views[i].size = FCRAM_SIZE;
for (MemoryArea& area : memory_areas) {
*area.ptr = new u8[area.size];
}
g_base = MemoryMap_Setup(g_views, kNumMemViews, flags, &arena);
MemBlock_Init();
LOG_DEBUG(HW_Memory, "initialized OK, RAM at %p (mirror at 0 @ %p)", g_heap,
physical_fcram);
LOG_DEBUG(HW_Memory, "initialized OK, RAM at %p", g_heap);
}
void Shutdown() {
u32 flags = 0;
MemoryMap_Shutdown(g_views, kNumMemViews, flags, &arena);
arena.ReleaseSpace();
MemBlock_Shutdown();
g_base = nullptr;
g_exefs_code = nullptr;
g_system_mem = nullptr;
g_heap = nullptr;
g_heap_linear = nullptr;
g_vram = nullptr;
g_shared_mem = nullptr;
g_dsp_mem = nullptr;
g_kernel_mem = nullptr;
physical_bootrom = nullptr;
uncached_bootrom = nullptr;
physical_exefs_code = nullptr;
physical_system_mem = nullptr;
physical_fcram = nullptr;
physical_heap_gsp = nullptr;
physical_vram = nullptr;
physical_shared_mem = nullptr;
physical_dsp_mem = nullptr;
physical_kernel_mem = nullptr;
for (MemoryArea& area : memory_areas) {
delete[] *area.ptr;
*area.ptr = nullptr;
}
LOG_DEBUG(HW_Memory, "shutdown OK");
}

12
src/core/mem_map.h
View file

@ -105,18 +105,6 @@ struct MemoryBlock {
////////////////////////////////////////////////////////////////////////////////////////////////////
// Base is a pointer to the base of the memory map. Yes, some MMU tricks
// are used to set up a full GC or Wii memory map in process memory. on
// 32-bit, you have to mask your offsets with 0x3FFFFFFF. This means that
// some things are mirrored too many times, but eh... it works.
// In 64-bit, this might point to "high memory" (above the 32-bit limit),
// so be sure to load it into a 64-bit register.
extern u8 *g_base;
// These are guaranteed to point to "low memory" addresses (sub-32-bit).
// 64-bit: Pointers to low-mem (sub-0x10000000) mirror
// 32-bit: Same as the corresponding physical/virtual pointers.
extern u8* g_heap_linear; ///< Linear heap (main memory)
extern u8* g_heap; ///< Application heap (main memory)
extern u8* g_vram; ///< Video memory (VRAM)