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authordaoge_cmd <3523206925@qq.com>2026-03-01 12:16:08 +0800
committerdaoge_cmd <3523206925@qq.com>2026-03-01 12:16:08 +0800
commitb691c43c44ff180d10e7d4a9afc83b98551ff586 (patch)
tree3e9849222cbc6ba49f2f1fc6e5fe7179632c7390 /Minecraft.Client/Orbis/user_malloc.cpp
parentdef8cb415354ac390b7e89052a50605285f1aca9 (diff)
Initial commit
Diffstat (limited to 'Minecraft.Client/Orbis/user_malloc.cpp')
-rw-r--r--Minecraft.Client/Orbis/user_malloc.cpp192
1 files changed, 192 insertions, 0 deletions
diff --git a/Minecraft.Client/Orbis/user_malloc.cpp b/Minecraft.Client/Orbis/user_malloc.cpp
new file mode 100644
index 00000000..6a85e83b
--- /dev/null
+++ b/Minecraft.Client/Orbis/user_malloc.cpp
@@ -0,0 +1,192 @@
+/* SCE CONFIDENTIAL
+ PlayStation(R)4 Programmer Tool Runtime Library Release 01.600.051
+ * Copyright (C) 2013 Sony Computer Entertainment Inc.
+ * All Rights Reserved.
+ */
+extern "C"
+{
+
+#include <stdlib.h>
+#include <mspace.h>
+#include <kernel.h>
+#include "..\Minecraft.World\System.h"
+
+static size_t s_heapLength;
+static size_t s_memLength;
+
+static SceLibcMspace s_mspace;
+static off_t s_memStart;
+static size_t s_memAlign = 2 * 1024 * 1024;
+
+int user_malloc_init(void);
+int user_malloc_finalize(void);
+void *user_malloc(size_t size);
+void user_free(void *ptr);
+void *user_calloc(size_t nelem, size_t size);
+void *user_realloc(void *ptr, size_t size);
+void *user_memalign(size_t boundary, size_t size);
+int user_posix_memalign(void **ptr, size_t boundary, size_t size);
+void *user_reallocalign(void *ptr, size_t size, size_t boundary);
+int user_malloc_stats(SceLibcMallocManagedSize *mmsize);
+int user_malloc_stats_fast(SceLibcMallocManagedSize *mmsize);
+size_t user_malloc_usable_size(void *ptr);
+
+
+//E Replace _malloc_init function.
+int user_malloc_init(void)
+{
+ int res;
+ void *addr;
+ uint64_t dmemSize = SCE_KERNEL_MAIN_DMEM_SIZE;
+
+ s_heapLength = ((size_t)4608) * 1024 * 1024; // Initial allocation for the application
+ s_heapLength -= ((size_t)4) * 1024 * 1024; // Allocated for TLS
+ s_heapLength -= ((size_t)2) * 1024 * 1024; // 64K (sometimes?) allocated for razor - rounding up to 2MB here to match our alignment
+ s_heapLength -= ((size_t)24) * 1024 * 1024; // 24MB for save file, which is handled by virtual allocs
+ s_heapLength -= ((size_t)512) * 1024 * 1024; // 512MB allocated for GPU by renderer
+ s_heapLength -= ((size_t)112) * 1024 * 1024; // 112MB allocated for CPU by renderer
+ s_memLength = s_heapLength;
+
+ //E Allocate direct memory
+ res = sceKernelAllocateDirectMemory(0, SCE_KERNEL_MAIN_DMEM_SIZE, s_memLength, s_memAlign, SCE_KERNEL_WB_ONION, &s_memStart);
+ if (res < 0) {
+ //E Error handling
+ return 1;
+ }
+
+ addr = NULL;
+ //E Map direct memory to the process address space
+ res = sceKernelMapDirectMemory(&addr, s_heapLength, SCE_KERNEL_PROT_CPU_READ | SCE_KERNEL_PROT_CPU_WRITE, 0, s_memStart, s_memAlign);
+ if (res < 0) {
+ //E Error handling
+ return 1;
+ }
+
+ //E Generate mspace
+ s_mspace = sceLibcMspaceCreate("User Malloc", addr, s_heapLength, 0);
+ if (s_mspace == NULL) {
+ //E Error handling
+ return 1;
+ }
+
+ return 0;
+}
+
+//E Replace _malloc_finalize function.
+int user_malloc_finalize(void)
+{
+ int res;
+
+ if (s_mspace != NULL) {
+ //E Free mspace
+ //J mspace を解放する
+ res = sceLibcMspaceDestroy(s_mspace);
+ if (res != 0) {
+ //E Error handling
+ //J エラー処理
+ return 1;
+ }
+ }
+
+ //E Release direct memory
+ //J ダイレクトメモリを解放する
+ res = sceKernelReleaseDirectMemory(s_memStart, s_memLength);
+ if (res < 0) {
+ //E Error handling
+ //J エラー処理
+ return 1;
+ }
+
+ return 0;
+}
+
+//E Replace malloc function.
+//J malloc 関数と置き換わる
+void *user_malloc(size_t size)
+{
+#if 0
+ static int throttle = 0;
+ static __int64 lasttime = 0;
+ if( ( throttle % 100 ) == 0 )
+ {
+ __int64 nowtime = System::currentTimeMillis();
+ if( ( nowtime - lasttime ) > 20000 )
+ {
+ lasttime = nowtime;
+ SceLibcMallocManagedSize mmsize;
+ SCE_LIBC_INIT_MALLOC_MANAGED_SIZE(mmsize);
+ int ret = sceLibcMspaceMallocStats( s_mspace, &mmsize);
+ printf("%d max %d of %d\n",mmsize.currentInuseSize/(1024*1024),mmsize.maxInuseSize/(1024*1024),mmsize.currentSystemSize/(1024*1024));
+ }
+ }
+ throttle++;
+#endif
+
+ return sceLibcMspaceMalloc(s_mspace, size);
+}
+
+//E Replace free function.
+//J free 関数と置き換わる
+void user_free(void *ptr)
+{
+ sceLibcMspaceFree(s_mspace, ptr);
+}
+
+//E Replace calloc function.
+//J calloc 関数と置き換わる
+void *user_calloc(size_t nelem, size_t size)
+{
+ return sceLibcMspaceCalloc(s_mspace, nelem, size);
+}
+
+//E Replace realloc function.
+//J realloc 関数と置き換わる
+void *user_realloc(void *ptr, size_t size)
+{
+ return sceLibcMspaceRealloc(s_mspace, ptr, size);
+}
+
+//E Replace memalign function.
+//J memalign 関数と置き換わる
+void *user_memalign(size_t boundary, size_t size)
+{
+ return sceLibcMspaceMemalign(s_mspace, boundary, size);
+}
+
+//E Replace posix_memalign function.
+//J posix_memalign 関数と置き換わる
+int user_posix_memalign(void **ptr, size_t boundary, size_t size)
+{
+ return sceLibcMspacePosixMemalign(s_mspace, ptr, boundary, size);
+}
+
+//E Replace reallocalign function.
+//J reallocalign 関数と置き換わる
+void *user_reallocalign(void *ptr, size_t size, size_t boundary)
+{
+ return sceLibcMspaceReallocalign(s_mspace, ptr, boundary, size);
+}
+
+//E Replace malloc_stats function.
+//J malloc_stats 関数と置き換わる
+int user_malloc_stats(SceLibcMallocManagedSize *mmsize)
+{
+ return sceLibcMspaceMallocStats(s_mspace, mmsize);
+}
+
+//E Replace malloc_stats_fast function.
+//J malloc_stata_fast 関数と置き換わる
+int user_malloc_stats_fast(SceLibcMallocManagedSize *mmsize)
+{
+ return sceLibcMspaceMallocStatsFast(s_mspace, mmsize);
+}
+
+//E Replace malloc_usable_size function.
+//J malloc_usable_size 関数と置き換わる
+size_t user_malloc_usable_size(void *ptr)
+{
+ return sceLibcMspaceMallocUsableSize(ptr);
+}
+
+
+} // extern "c"