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-removed our linker script and changed a few things

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about memory usage, please test if everything works fine,
if memory still allocates fine and if memory usage is the
same, if not we can revert it
This commit is contained in:
fix94.1 2012-05-07 19:45:25 +00:00
parent 4fbbb9dc73
commit 73e34da188
4 changed files with 185 additions and 524 deletions
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2
Makefile
View File

@ -73,7 +73,7 @@ ios := 249
CFLAGS = -g -Os -Wall $(MACHDEP) $(INCLUDE) -DHAVE_CONFIG_H CFLAGS = -g -Os -Wall $(MACHDEP) $(INCLUDE) -DHAVE_CONFIG_H
CXXFLAGS = -g -Os -Wall -Wextra -Wno-multichar $(MACHDEP) $(INCLUDE) -DHAVE_CONFIG_H CXXFLAGS = -g -Os -Wall -Wextra -Wno-multichar $(MACHDEP) $(INCLUDE) -DHAVE_CONFIG_H
LDFLAGS = -g $(MACHDEP) -Wl,-Map,$(notdir $@).map,--section-start,.init=0x80A00000,-wrap,malloc,-wrap,free,-wrap,memalign,-wrap,calloc,-wrap,realloc,-wrap,malloc_usable_size -T../scripts/rvl.ld LDFLAGS = -g $(MACHDEP) -Wl,-Map,$(notdir $@).map,--section-start,.init=0x80A00000,-wrap,malloc,-wrap,free,-wrap,memalign,-wrap,calloc,-wrap,realloc,-wrap,malloc_usable_size
#--------------------------------------------------------------------------------- #---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project # any extra libraries we wish to link with the project

304
scripts/rvl.ld
View File

@ -1,304 +0,0 @@
/*
* Linkscript for Wii
*/
OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc");
OUTPUT_ARCH(powerpc:common);
EXTERN(_start);
ENTRY(_start);
PHDRS
{
/*cdat PT_LOAD FLAGS(6);*/
stub PT_LOAD FLAGS(5);
text PT_LOAD FLAGS(5);
data PT_LOAD FLAGS(6);
}
SECTIONS
{
/*. = 0x80004000;
.cdat :
{
KEEP(*(.cdat))
} :cdat = 0
__cdat_end = .;*/
/* stub is loaded at physical address 0x00003400 (though both 0x80003400 and 0x00003400 are equivalent for IOS) */
/* This can also be used to load an arbitrary standalone stub at an arbitrary address in memory, for any purpose */
/* Use -Wl,--section-start,.stub=0xADDRESS to change */
. = 0x00003400;
.stub :
{
KEEP(*(.stub))
} :stub = 0
/* default base address */
/* use -Wl,--section-start,.init=0xADDRESS to change */
. = 0x80B00000;
/* Program */
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/* Adjust the address for the data segment. We want to adjust up to
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/* Ensure the __preinit_array_start label is properly aligned. We
could instead move the label definition inside the section, but
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PROVIDE(__gxregs = __gxregs);

225
source/memory/mem2.cpp
View File

@ -14,143 +14,103 @@
#define APPLOADER_END (void *)0x81700000 #define APPLOADER_END (void *)0x81700000
#endif #endif
#define MAX_MEM1_ARENA_LO ((void *) (((u32)APPLOADER_START)-size))
#define MEM2_PRIORITY_SIZE 0x1000
// Forbid the use of MEM2 through malloc // Forbid the use of MEM2 through malloc
u32 MALLOC_MEM2 = 0; u32 MALLOC_MEM2 = 0;
static CMEM2Alloc g_mem2gp; static CMEM2Alloc g_mem2gp;
static CMEM2Alloc g_mem1Lgp;
static CMEM2Alloc g_mem1Ugp;
extern int __init_start;
extern int _end; extern int _end;
extern "C" extern "C"
{ {
void MEM2_init(unsigned int mem2Size)
{ extern __typeof(malloc) __real_malloc;
if(&_end + 0x100 > APPLOADER_START) gprintf("ZOMG MOVE THE ENTRYPOINT DOWN!\n"); extern __typeof(calloc) __real_calloc;
extern __typeof(realloc) __real_realloc;
extern __typeof(memalign) __real_memalign;
extern __typeof(free) __real_free;
extern __typeof(malloc_usable_size) __real_malloc_usable_size;
void *MEM1_alloc(unsigned int s)
{
return __real_malloc(s);
}
void *MEM1_realloc(void *p, unsigned int s)
{
return __real_realloc(p, s);
}
void MEM1_free(void *p)
{
__real_free(p);
}
void MEM2_init(unsigned int mem2Size)
{
if(&_end + 0x100 > APPLOADER_START)
gprintf("ZOMG MOVE THE ENTRYPOINT DOWN!\n");
g_mem2gp.init(mem2Size); g_mem2gp.init(mem2Size);
g_mem2gp.clear(); g_mem2gp.clear();
/* If these are used, they must be cleared before running the apploader */
/* Below executable */
g_mem1Lgp.init((void *)0x80004000, &__init_start - 0x100);
g_mem1Lgp.clear();
/* Above Executable */
g_mem1Ugp.init(APPLOADER_START, APPLOADER_END);
g_mem1Ugp.clear();
/* Protect space reserved for apploader */ /* Protect space reserved for apploader */
SYS_SetArena1Hi(APPLOADER_START); SYS_SetArena1Hi(APPLOADER_START);
} }
void MEM2_cleanup(void) void MEM2_cleanup(void)
{ {
g_mem2gp.cleanup(); g_mem2gp.cleanup();
} }
void MEM2_clear(void) void MEM2_clear(void)
{ {
g_mem2gp.clear(); g_mem2gp.clear();
} }
void MEM1_cleanup(void) void MEM2_free(void *p)
{ {
g_mem1Lgp.cleanup();
g_mem1Ugp.cleanup();
}
void MEM1_clear(void)
{
g_mem1Lgp.clear();
g_mem1Ugp.clear();
}
void *MEM2_alloc(unsigned int s)
{
return g_mem2gp.allocate(s);
}
void *MEM1_alloc(unsigned int s)
{
if(g_mem1Lgp.FreeSize() >= s)
return g_mem1Lgp.allocate(s);
if(g_mem1Ugp.FreeSize() >= s)
return g_mem1Ugp.allocate(s);
return NULL;
}
void MEM2_free(void *p)
{
g_mem2gp.release(p); g_mem2gp.release(p);
} }
void MEM1_free(void *p) void *MEM2_alloc(unsigned int s)
{ {
if((u32)p < (u32)&__init_start - 0x100 && (u32)p >= 0x80004000) return g_mem2gp.allocate(s);
g_mem1Lgp.release(p); }
else if((u32)p > (u32)APPLOADER_START && (u32)p < (u32)APPLOADER_END)
g_mem1Ugp.release(p);
}
void *MEM2_realloc(void *p, unsigned int s) void *MEM2_realloc(void *p, unsigned int s)
{ {
return g_mem2gp.reallocate(p, s); return g_mem2gp.reallocate(p, s);
} }
void *MEM1_realloc(void *p, unsigned int s) unsigned int MEM2_usableSize(void *p)
{ {
if((u32)p < (u32)&__init_start - 0x100 && (u32)p >= 0x80004000)
return g_mem1Lgp.reallocate(p, s);
else if((u32)p > (u32)APPLOADER_START && (u32)p < (u32)APPLOADER_END)
return g_mem1Ugp.reallocate(p, s);
return NULL;
}
unsigned int MEM2_usableSize(void *p)
{
return CMEM2Alloc::usableSize(p); return CMEM2Alloc::usableSize(p);
} }
unsigned int MEM2_freesize() unsigned int MEM2_freesize()
{ {
return g_mem2gp.FreeSize(); return g_mem2gp.FreeSize();
} }
unsigned int MEM1_freesize() void *__wrap_malloc(size_t size)
{ {
return g_mem1Lgp.FreeSize() + g_mem1Ugp.FreeSize();
}
extern __typeof(malloc) __real_malloc;
extern __typeof(calloc) __real_calloc;
extern __typeof(realloc) __real_realloc;
extern __typeof(memalign) __real_memalign;
extern __typeof(free) __real_free;
extern __typeof(malloc_usable_size) __real_malloc_usable_size;
void *__wrap_malloc(size_t size)
{
void *p; void *p;
if ((SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO) || size >= MEM2_PRIORITY_SIZE) if ((SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO) || size >= MEM2_PRIORITY_SIZE)
{ {
p = MEM2_alloc(size); p = MEM2_alloc(size);
return p != 0 ? p : __real_malloc(size); if(p != 0)
return p;
return __real_malloc(size);
} }
p = __real_malloc(size); p = __real_malloc(size);
return p != 0 ? p : MEM2_alloc(size); if(p != 0)
} return p;
return MEM2_alloc(size);
}
void *__wrap_calloc(size_t n, size_t size) void *__wrap_calloc(size_t n, size_t size)
{ {
void *p; void *p;
if ((SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO) || (n * size) >= MEM2_PRIORITY_SIZE) if ((SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO) || (n * size) >= MEM2_PRIORITY_SIZE)
{ {
@ -167,52 +127,53 @@ extern "C"
if (p != 0) return p; if (p != 0) return p;
p = MEM2_alloc(n * size); p = MEM2_alloc(n * size);
if (p != 0) memset(p, 0, n * size); if (p != 0)
memset(p, 0, n * size);
return p; return p;
} }
void *__wrap_memalign(size_t a, size_t size) void *__wrap_memalign(size_t a, size_t size)
{ {
void *p; void *p;
if ((SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO) || size >= MEM2_PRIORITY_SIZE) if ((SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO) || size >= MEM2_PRIORITY_SIZE)
{ {
if (a <= 32 && 32 % a == 0) if (a <= 32 && 32 % a == 0)
{ {
p = MEM2_alloc(size); p = MEM2_alloc(size);
if (p != 0) return p; if (p != 0)
return p;
} }
return __real_memalign(a, size); return __real_memalign(a, size);
} }
p = __real_memalign(a, size); p = __real_memalign(a, size);
return p != 0 ? p : MEM2_alloc(size); if(p != 0)
} return p;
return MEM2_alloc(size);
}
void __wrap_free(void *p) void __wrap_free(void *p)
{ {
if(!p) if(!p)
return; return;
if(((u32)p < (u32)&__init_start - 0x100 && (u32)p >= (u32)0x80004000) || ((u32)p > (u32)APPLOADER_START && (u32)p < (u32)APPLOADER_END))
MEM1_free(p); if (((u32)p & 0x10000000) != 0)
else if((u32)p & 0x10000000) g_mem2gp.release(p);
MEM2_free(p);
else else
__real_free(p); __real_free(p);
} }
void *__wrap_realloc(void *p, size_t size) void *__wrap_realloc(void *p, size_t size)
{ {
void *n; void *n;
// ptr from mem2 // ptr from mem2
if (((u32)p & 0x10000000) != 0 || (p == 0 && size > MEM2_PRIORITY_SIZE)) if (((u32)p & 0x10000000) != 0 || (p == 0 && size > MEM2_PRIORITY_SIZE))
{ {
n = MEM2_realloc(p, size); n = MEM2_realloc(p, size);
if (n != 0) { if (n != 0)
return n; return n;
}
n = __real_malloc(size); n = __real_malloc(size);
if (n == 0) { if (n == 0)
return 0; return 0;
}
if (p != 0) if (p != 0)
{ {
memcpy(n, p, MEM2_usableSize(p) < size ? MEM2_usableSize(p) : size); memcpy(n, p, MEM2_usableSize(p) < size ? MEM2_usableSize(p) : size);
@ -222,24 +183,24 @@ extern "C"
} }
// ptr from malloc // ptr from malloc
n = __real_realloc(p, size); n = __real_realloc(p, size);
if (n != 0) { if (n != 0)
return n; return n;
}
n = MEM2_alloc(size); n = MEM2_alloc(size);
if (n == 0) { if (n == 0)
return 0; return 0;
}
if (p != 0) if (p != 0)
{ {
memcpy(n, p, __real_malloc_usable_size(p) < size ? __real_malloc_usable_size(p) : size); memcpy(n, p, __real_malloc_usable_size(p) < size ? __real_malloc_usable_size(p) : size);
__real_free(p); __real_free(p);
} }
return n; return n;
} }
size_t __wrap_malloc_usable_size(void *p) size_t __wrap_malloc_usable_size(void *p)
{ {
return ((u32)p & 0x10000000) != 0 ? MEM2_usableSize(p) : __real_malloc_usable_size(p); if(((u32)p & 0x10000000) != 0)
} return MEM2_usableSize(p);
return __real_malloc_usable_size(p);
}
} ///extern "C" } ///extern "C"

24
source/memory/mem2.hpp
View File

@ -9,26 +9,30 @@ extern "C"
{ {
#endif #endif
#define MAX_MEM1_ARENA_LO ((void *) (((u32)APPLOADER_START)-size))
#define MEM2_PRIORITY_SIZE 0x1000
void *MEM1_alloc(unsigned int s);
void *MEM1_realloc(void *p, unsigned int s);
void MEM1_free(void *p);
void MEM2_init(unsigned int mem2Size); void MEM2_init(unsigned int mem2Size);
void MEM2_cleanup(void); void MEM2_cleanup(void);
void MEM2_clear(void); void MEM2_clear(void);
void MEM1_cleanup(void);
void MEM1_clear(void);
void *MEM2_alloc(unsigned int s);
void *MEM1_alloc(unsigned int s);
void *MEM2_realloc(void *p, unsigned int s);
void *MEM1_realloc(void *p, unsigned int s);
void MEM2_free(void *p); void MEM2_free(void *p);
void MEM1_free(void *p); void *MEM2_alloc(unsigned int s);
void *MEM2_realloc(void *p, unsigned int s);
unsigned int MEM2_usableSize(void *p); unsigned int MEM2_usableSize(void *p);
unsigned int MEM2_freesize(); unsigned int MEM2_freesize();
unsigned int MEM1_freesize();
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif
enum Alloc
enum Alloc { ALLOC_MALLOC, ALLOC_MEM2 }; {
ALLOC_MALLOC,
ALLOC_MEM2,
};
#endif // !defined(__MEM2_HPP) #endif // !defined(__MEM2_HPP)