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-rw-r--r--src/core/mem_map.cpp113
1 files changed, 31 insertions, 82 deletions
diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp
index ae88cfb11..46e271c80 100644
--- a/src/core/mem_map.cpp
+++ b/src/core/mem_map.cpp
@@ -2,10 +2,8 @@
2// Licensed under GPLv2 or any later version 2// Licensed under GPLv2 or any later version
3// Refer to the license.txt file included. 3// Refer to the license.txt file included.
4 4
5#include "common/common_funcs.h"
6#include "common/common_types.h" 5#include "common/common_types.h"
7#include "common/logging/log.h" 6#include "common/logging/log.h"
8#include "common/mem_arena.h"
9 7
10#include "core/mem_map.h" 8#include "core/mem_map.h"
11 9
@@ -13,100 +11,51 @@
13 11
14namespace Memory { 12namespace Memory {
15 13
16u8* g_base; ///< The base pointer to the auto-mirrored arena. 14u8* g_exefs_code; ///< ExeFS:/.code is loaded here
15u8* g_system_mem; ///< System memory
16u8* g_heap; ///< Application heap (main memory)
17u8* g_heap_linear; ///< Linear heap
18u8* g_vram; ///< Video memory (VRAM) pointer
19u8* g_shared_mem; ///< Shared memory
20u8* g_dsp_mem; ///< DSP memory
21u8* g_kernel_mem; ///< Kernel memory
17 22
18static MemArena arena; ///< The MemArena class 23namespace {
19 24
20u8* g_exefs_code; ///< ExeFS:/.code is loaded here 25struct MemoryArea {
21u8* g_system_mem; ///< System memory 26 u8** ptr;
22u8* g_heap; ///< Application heap (main memory) 27 size_t size;
23u8* g_heap_linear; ///< Linear heap
24u8* g_vram; ///< Video memory (VRAM) pointer
25u8* g_shared_mem; ///< Shared memory
26u8* g_dsp_mem; ///< DSP memory
27u8* g_kernel_mem; ///< Kernel memory
28
29static u8* physical_bootrom; ///< Bootrom physical memory
30static u8* uncached_bootrom;
31
32static u8* physical_exefs_code; ///< Phsical ExeFS:/.code is loaded here
33static u8* physical_system_mem; ///< System physical memory
34static u8* physical_fcram; ///< Main physical memory (FCRAM)
35static u8* physical_heap_gsp; ///< GSP heap physical memory
36static u8* physical_vram; ///< Video physical memory (VRAM)
37static u8* physical_shared_mem; ///< Physical shared memory
38static u8* physical_dsp_mem; ///< Physical DSP memory
39static u8* physical_kernel_mem; ///< Kernel memory
40
41// We don't declare the IO region in here since its handled by other means.
42static MemoryView g_views[] = {
43 {&g_exefs_code, &physical_exefs_code, EXEFS_CODE_VADDR, EXEFS_CODE_SIZE, 0},
44 {&g_vram, &physical_vram, VRAM_VADDR, VRAM_SIZE, 0},
45 {&g_heap, &physical_fcram, HEAP_VADDR, HEAP_SIZE, MV_IS_PRIMARY_RAM},
46 {&g_shared_mem, &physical_shared_mem, SHARED_MEMORY_VADDR, SHARED_MEMORY_SIZE, 0},
47 {&g_system_mem, &physical_system_mem, SYSTEM_MEMORY_VADDR, SYSTEM_MEMORY_SIZE, 0},
48 {&g_dsp_mem, &physical_dsp_mem, DSP_MEMORY_VADDR, DSP_MEMORY_SIZE, 0},
49 {&g_kernel_mem, &physical_kernel_mem, KERNEL_MEMORY_VADDR, KERNEL_MEMORY_SIZE, 0},
50 {&g_heap_linear, &physical_heap_gsp, HEAP_LINEAR_VADDR, HEAP_LINEAR_SIZE, 0},
51}; 28};
52 29
53/*static MemoryView views[] = 30// We don't declare the IO regions in here since its handled by other means.
54{ 31static MemoryArea memory_areas[] = {
55 {&m_pScratchPad, &m_pPhysicalScratchPad, 0x00010000, SCRATCHPAD_SIZE, 0}, 32 {&g_exefs_code, EXEFS_CODE_SIZE },
56 {NULL, &m_pUncachedScratchPad, 0x40010000, SCRATCHPAD_SIZE, MV_MIRROR_PREVIOUS}, 33 {&g_vram, VRAM_SIZE },
57 {&m_pVRAM, &m_pPhysicalVRAM, 0x04000000, 0x00800000, 0}, 34 {&g_heap, HEAP_SIZE },
58 {NULL, &m_pUncachedVRAM, 0x44000000, 0x00800000, MV_MIRROR_PREVIOUS}, 35 {&g_shared_mem, SHARED_MEMORY_SIZE},
59 {&m_pRAM, &m_pPhysicalRAM, 0x08000000, g_MemorySize, MV_IS_PRIMARY_RAM}, // only from 0x08800000 is it usable (last 24 megs) 36 {&g_system_mem, SYSTEM_MEMORY_SIZE},
60 {NULL, &m_pUncachedRAM, 0x48000000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_PRIMARY_RAM}, 37 {&g_dsp_mem, DSP_MEMORY_SIZE },
61 {NULL, &m_pKernelRAM, 0x88000000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_PRIMARY_RAM}, 38 {&g_kernel_mem, KERNEL_MEMORY_SIZE},
62 39 {&g_heap_linear, HEAP_LINEAR_SIZE },
63 // TODO: There are a few swizzled mirrors of VRAM, not sure about the best way to 40};
64 // implement those.
65};*/
66 41
67static const int kNumMemViews = sizeof(g_views) / sizeof(MemoryView); ///< Number of mem views 42}
68 43
69void Init() { 44void Init() {
70 int flags = 0; 45 for (MemoryArea& area : memory_areas) {
71 46 *area.ptr = new u8[area.size];
72 for (size_t i = 0; i < ARRAY_SIZE(g_views); i++) {
73 if (g_views[i].flags & MV_IS_PRIMARY_RAM)
74 g_views[i].size = FCRAM_SIZE;
75 } 47 }
76
77 g_base = MemoryMap_Setup(g_views, kNumMemViews, flags, &arena);
78 MemBlock_Init(); 48 MemBlock_Init();
79 49
80 LOG_DEBUG(HW_Memory, "initialized OK, RAM at %p (mirror at 0 @ %p)", g_heap, 50 LOG_DEBUG(HW_Memory, "initialized OK, RAM at %p", g_heap);
81 physical_fcram);
82} 51}
83 52
84void Shutdown() { 53void Shutdown() {
85 u32 flags = 0;
86 MemoryMap_Shutdown(g_views, kNumMemViews, flags, &arena);
87 arena.ReleaseSpace();
88 MemBlock_Shutdown(); 54 MemBlock_Shutdown();
89 55 for (MemoryArea& area : memory_areas) {
90 g_base = nullptr; 56 delete[] *area.ptr;
91 g_exefs_code = nullptr; 57 *area.ptr = nullptr;
92 g_system_mem = nullptr; 58 }
93 g_heap = nullptr;
94 g_heap_linear = nullptr;
95 g_vram = nullptr;
96 g_shared_mem = nullptr;
97 g_dsp_mem = nullptr;
98 g_kernel_mem = nullptr;
99
100 physical_bootrom = nullptr;
101 uncached_bootrom = nullptr;
102 physical_exefs_code = nullptr;
103 physical_system_mem = nullptr;
104 physical_fcram = nullptr;
105 physical_heap_gsp = nullptr;
106 physical_vram = nullptr;
107 physical_shared_mem = nullptr;
108 physical_dsp_mem = nullptr;
109 physical_kernel_mem = nullptr;
110 59
111 LOG_DEBUG(HW_Memory, "shutdown OK"); 60 LOG_DEBUG(HW_Memory, "shutdown OK");
112} 61}
HIC SVNT DRACONES