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-fixed booting big homebrew applications (32MB max, but

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only tested with 7MB so not sure if so much still works)
This commit is contained in:
fix94.1 2012-04-06 10:16:01 +00:00
parent 3153ef3d2e
commit 091e9bcb1e
1 changed files with 24 additions and 25 deletions
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45
source/homebrew/homebrew.cpp
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@ -26,13 +26,14 @@ bool bootHB;
bool IsDollZ (u8 *buff) bool IsDollZ (u8 *buff)
{ {
u8 dollz_stamp[] = {0x3C}; u8 dollz_stamp[] = {0x3C};
int dollz_offs = 0x100; int dollz_offs = 0x100;
int ret = memcmp (&buff[dollz_offs], dollz_stamp, sizeof(dollz_stamp)); int ret = memcmp (&buff[dollz_offs], dollz_stamp, sizeof(dollz_stamp));
if (ret == 0) return true; if (ret == 0)
return true;
return false; return false;
} }
void AddBootArgument(const char * argv) void AddBootArgument(const char * argv)
@ -44,9 +45,8 @@ void AddBootArgument(const char * argv)
int CopyHomebrewMemory(u8 *temp, u32 pos, u32 len) int CopyHomebrewMemory(u8 *temp, u32 pos, u32 len)
{ {
homebrewsize += len; homebrewsize += len;
memcpy(homebrewbuffer+pos, temp, len); memcpy(homebrewbuffer+pos, temp, len);
DCFlushRange(homebrewbuffer+pos, len); DCFlushRange(homebrewbuffer+pos, len);
return 1; return 1;
} }
@ -60,38 +60,36 @@ void FreeHomebrewBuffer()
int LoadHomebrew(const char * filepath) int LoadHomebrew(const char * filepath)
{ {
if(!filepath) return -1; if(!filepath)
return -1;
FILE *file = fopen(filepath ,"rb"); FILE *file = fopen(filepath ,"rb");
if(!file) return -2; if(!file)
return -2;
fseek(file, 0, SEEK_END); fseek(file, 0, SEEK_END);
u32 filesize = ftell(file); u32 filesize = ftell(file);
rewind(file); rewind(file);
SmartBuf buffer = smartAnyAlloc(filesize); if(filesize > 33554431)
if (!buffer) return -3;
bool good_read = fread(homebrewbuffer, 1, filesize, file) == filesize;
if (!good_read)
{ {
SAFE_CLOSE(file); SAFE_CLOSE(file);
return -3;
}
bool good_read = fread((u8 *)buffer.get(), 1, filesize, file) == filesize;
if (!good_read)
{
SAFE_CLOSE(file);
return -4; return -4;
} }
SAFE_CLOSE(file); SAFE_CLOSE(file);
DCFlushRange((u8 *)buffer.get(), filesize); homebrewsize += filesize;
return 1;
return CopyHomebrewMemory((u8*)buffer.get(), 0, filesize);
} }
static int SetupARGV(struct __argv * args) static int SetupARGV(struct __argv * args)
{ {
if(!args) return -1; if(!args)
return -1;
bzero(args, sizeof(struct __argv)); bzero(args, sizeof(struct __argv));
args->argvMagic = ARGV_MAGIC; args->argvMagic = ARGV_MAGIC;
@ -129,7 +127,8 @@ static int SetupARGV(struct __argv * args)
int BootHomebrew() int BootHomebrew()
{ {
if(homebrewsize == 0) return -1; if(homebrewsize == 0)
return -1;
struct __argv args; struct __argv args;
if (!IsDollZ(homebrewbuffer)) if (!IsDollZ(homebrewbuffer))