vita: Reduce ARAM size to minimum

Allows us to take more memory for the heap
scribam · Jul 7, 2024 · 38d5057 · 38d5057
1 parent fd3a707
commit 38d5057
Show file tree

Hide file tree

Showing 3 changed files with 5 additions and 4 deletions.
diff --git a/core/linux-dist/main.cpp b/core/linux-dist/main.cpp
@@ -21,7 +21,7 @@
 #include <vitaGL.h>
 #include <kubridge.h>
 #include <xxhash.h>
-int _newlib_heap_size_user = 246 * 1024 * 1024;
+int _newlib_heap_size_user = 250 * 1024 * 1024;
 unsigned int sceUserMainThreadStackSize = 1 * 1024 * 1024;
 bool is_standalone = false;
 

diff --git a/core/linux/vita_vmem.cpp b/core/linux/vita_vmem.cpp
@@ -57,8 +57,8 @@ static SceUID vmem_block = -1;
 bool init(void **vmem_base_addr, void **sh4rcb_addr, size_t ramSize)
 {
 
-	// Now try to allocate a contiguous piece of memory.
-	reserved_size = 512 * 1024 * 1024 + ALIGN(sizeof(Sh4RCB), PAGE_SIZE) + ARAM_SIZE_MAX;
+	// Now try to allocate a contiguous piece of memory. Extra 8MB is for ARAM mapping at 0x20000000
+	reserved_size = 512 * 1024 * 1024 + ALIGN(sizeof(Sh4RCB), PAGE_SIZE) + 8_MB;
 	reserved_base = nullptr;
 	reserved_block = kuKernelMemReserve(&reserved_base, reserved_size, SCE_KERNEL_MEMBLOCK_TYPE_USER_RW);
 	verify(reserved_block >= 0);

diff --git a/core/types.h b/core/types.h
@@ -262,9 +262,10 @@ constexpr size_t operator""_GB(unsigned long long  x)
 #ifndef __vita__
 constexpr u32 RAM_SIZE_MAX = 32_MB;
 constexpr u32 VRAM_SIZE_MAX = 16_MB;
+constexpr u32 ARAM_SIZE_MAX = 8_MB;
 #else // Vita does not target Atomiswave/Naomi
 constexpr u32 RAM_SIZE_MAX = 16_MB;
 constexpr u32 VRAM_SIZE_MAX = 8_MB;
+constexpr u32 ARAM_SIZE_MAX = 2_MB;
 #endif
-constexpr u32 ARAM_SIZE_MAX = 8_MB;