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[VITA] Make newlib heap allocation dynamic.

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This commit is contained in:
Rinnegatamante 2019-10-04 12:11:52 +02:00
parent 9ea18c433b
commit b3316fea35
3 changed files with 11 additions and 4 deletions
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2
Makefile.vita
View File

@ -158,7 +158,7 @@ $(TARGET).elf: $(OBJ) libretro_vita.a
vita-make-fself -c -s $< $@
%.vpk: %.self
vita-mksfoex -s TITLE_ID=$(VITA_TITLE_ID) "$(VITA_TITLE_NAME)" param.sfo
vita-mksfoex -s TITLE_ID=$(VITA_TITLE_ID) "$(VITA_TITLE_NAME)" -d ATTRIBUTE2=12 param.sfo
vita-pack-vpk -s param.sfo -b $< $@
clean:

2
Makefile.vita.salamander
View File

@ -55,7 +55,7 @@ OBJS = frontend/frontend_salamander.o \
all: $(TARGET).vpk
%.vpk: eboot.bin
vita-mksfoex -s TITLE_ID=$(TITLE_ID) "$(TARGET)" param.sfo
vita-mksfoex -s TITLE_ID=$(TITLE_ID) "$(TARGET)" -d ATTRIBUTE2=12 param.sfo
vita-pack-vpk -s param.sfo -b eboot.bin $@
eboot.bin: $(TARGET).velf

11
bootstrap/vita/sbrk.c
View File

@ -4,9 +4,11 @@
#include <psp2/kernel/sysmem.h>
#include <psp2/kernel/threadmgr.h>
#define RAM_THRESHOLD 0xA00000 // Memory left to the system for threads and other internal stuffs
static int _newlib_heap_memblock;
static unsigned _newlib_heap_size;
static char *_newlib_heap_base, *_newlib_heap_end, *_newlib_heap_cur;
char *_newlib_heap_base, *_newlib_heap_end, *_newlib_heap_cur;
static char _newlib_sbrk_mutex[32] __attribute__ ((aligned (8)));
static int _newlib_vm_memblock;
@ -50,11 +52,16 @@ void _init_vita_heap(void) {
if (sceKernelCreateLwMutex((struct SceKernelLwMutexWork*)_newlib_sbrk_mutex, "sbrk mutex", 0, 0, 0) < 0) {
goto failure;
}
// Always allocating the max avaliable USER_RW mem on the system
SceKernelFreeMemorySizeInfo info;
info.size = sizeof(SceKernelFreeMemorySizeInfo);
sceKernelGetFreeMemorySize(&info);
if (&_newlib_heap_size_user != NULL) {
_newlib_heap_size = _newlib_heap_size_user;
}else{
_newlib_heap_size = 256 * 1024 * 1024;
_newlib_heap_size = info.size_user - RAM_THRESHOLD;
}
_newlib_heap_size -= _newlib_vm_size;