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-changed a few things about booting homebrew, hopefully it boots

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everything correctly again now
This commit is contained in:
fix94.1 2012-07-09 22:46:11 +00:00
parent e28b91f536
commit 5a2efc4e3b
4 changed files with 29 additions and 24 deletions
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25
source/homebrew/homebrew.cpp
View File

@ -7,6 +7,7 @@
#include <string>
#include "smartptr.hpp"
#include "gecko.h"
#include "mem2.hpp"
#define EXECUTE_ADDR ((u8 *)0x92000000)
#define BOOTER_ADDR ((u8 *)0x93000000)
@ -23,8 +24,8 @@ extern const u32 stub_bin_size;
typedef void (*entrypoint) (void);
extern "C" { void __exception_closeall(); }
static u8 *homebrewbuffer = EXECUTE_ADDR;
static u32 homebrewsize = 0;
u8 *tmpbuffer = NULL;
u32 tmpbuffer_size = 0;
static vector<string> Arguments;
static u32 stubtitlepositions[8] = { 0x80001bf2, 0x80001bf3, 0x80001c06, 0x80001c07,
@ -61,10 +62,11 @@ int LoadHomebrew(const char *filepath)
u32 filesize = ftell(file);
rewind(file);
fread(homebrewbuffer, 1, filesize, file);
tmpbuffer_size = filesize;
tmpbuffer = (u8*)MEM1_alloc(tmpbuffer_size);
fread(tmpbuffer, 1, tmpbuffer_size, file);
fclose(file);
homebrewsize += filesize;
return 1;
}
@ -137,25 +139,24 @@ static void writeStub(u64 chan_title)
int BootHomebrew(u64 chan_title)
{
writeStub(chan_title);
struct __argv args;
if (!IsDollZ(homebrewbuffer))
if (!IsDollZ(tmpbuffer))
SetupARGV(&args);
memcpy(BOOTER_ADDR, app_booter_bin, app_booter_bin_size);
DCFlushRange(BOOTER_ADDR, app_booter_bin_size);
memcpy(EXECUTE_ADDR, tmpbuffer, tmpbuffer_size);
DCFlushRange(EXECUTE_ADDR, tmpbuffer_size);
MEM1_free(tmpbuffer);
entrypoint entry = (entrypoint)BOOTER_ADDR;
memmove(ARGS_ADDR, &args, sizeof(args));
DCFlushRange(ARGS_ADDR, sizeof(args) + args.length);
writeStub(chan_title);
/* Shutdown IOS subsystems */
u32 level = IRQ_Disable();
__IOS_ShutdownSubsystems();
__exception_closeall();
SYS_ResetSystem(SYS_SHUTDOWN, 0, 0);
entry();
IRQ_Restore(level);
return 0;
}

13
source/memory/mem2.cpp
View File

@ -11,6 +11,8 @@
// Forbid the use of MEM2 through malloc
u32 MALLOC_MEM2 = 0;
int wrapMEM2 = 1;
static CMEM2Alloc g_mem2gp;
extern "C"
@ -94,10 +96,15 @@ unsigned int MEM2_freesize()
return g_mem2gp.FreeSize();
}
void MEM2_wrap(int v)
{
wrapMEM2 = v;
}
void *__wrap_malloc(size_t size)
{
void *p;
if(SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO || size >= MEM2_PRIORITY_SIZE)
if(wrapMEM2 && (SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO || size >= MEM2_PRIORITY_SIZE))
{
p = g_mem2gp.allocate(size);
if(p != 0)
@ -113,7 +120,7 @@ void *__wrap_malloc(size_t size)
void *__wrap_calloc(size_t n, size_t size)
{
void *p;
if(SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO || (n * size) >= MEM2_PRIORITY_SIZE)
if(wrapMEM2 && (SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO || (n * size) >= MEM2_PRIORITY_SIZE))
{
p = g_mem2gp.allocate(n * size);
if (p != 0)
@ -136,7 +143,7 @@ void *__wrap_calloc(size_t n, size_t size)
void *__wrap_memalign(size_t a, size_t size)
{
void *p;
if(SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO || size >= MEM2_PRIORITY_SIZE)
if(wrapMEM2 && (SYS_GetArena1Lo() >= MAX_MEM1_ARENA_LO || size >= MEM2_PRIORITY_SIZE))
{
p = MEM2_memalign(a, size);
if (p != 0)

1
source/memory/mem2.hpp
View File

@ -21,6 +21,7 @@ void MEM2_init(unsigned int mem2Size);
void MEM2_cleanup(void);
void MEM2_clear(void);
void MEM2_free(void *p);
void MEM2_wrap(int v);
void *MEM2_alloc(unsigned int s);
void *MEM2_memalign(unsigned int a, unsigned int s);
void *MEM2_realloc(void *p, unsigned int s);

14
source/menu/menu_game.cpp
View File

@ -870,8 +870,6 @@ void CMenu::_launchHomebrew(const char *filepath, vector<string> arguments)
if(channel.GetRequestedIOS(RETURN_CHANNEL) != 0)
title = RETURN_CHANNEL;
gprintf("Filepath of homebrew: %s\n",filepath);
m_gcfg1.save(true);
m_gcfg2.save(true);
m_cat.save(true);
@ -879,18 +877,16 @@ void CMenu::_launchHomebrew(const char *filepath, vector<string> arguments)
Playlog_Delete();
cleanup(); // wifi and sd gecko doesnt work anymore after cleanup
MEM2_wrap(0);
LoadHomebrew(filepath);
//ISFS_Deinitialize();
USBStorage_Deinit();
AddBootArgument(filepath);
for(u32 i = 0; i < arguments.size(); ++i)
{
gprintf("Boot argument: %s\n", arguments[i].c_str());
AddBootArgument(arguments[i].c_str());
}
gprintf("Return to Channel: %08x %08x\n", TITLE_UPPER(title), TITLE_LOWER(title));
gprintf("Booting Homebrew application...\n");
ISFS_Deinitialize();
USBStorage_Deinit();
MEM2_clear();
BootHomebrew(title);
}