mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-07-10 20:01:50 +02:00
30535c6f5d
formatted the code to make it easier to read. no functional changes at all.
i didn't put anything from the libwiigui folder or banner folder in the beautifier.
my automated .bat seems to have done a good job. the only places i see it fucked up was on (GXColor){blablabla}. it treated the brackets in the color like all the other brackets and put the color on a new line and indented it. i think i fixed most of them. not sure if it messed up anywhere else. also not sure about how it handled different linebreaks. it looks fine on windows. if it looks messed up on linux, it can be reverted.
the code still compiles and runs fine.
472 lines
12 KiB
C
472 lines
12 KiB
C
/* mload.c (for PPC) (c) 2009, Hermes
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "mload.h"
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#include "ehcmodule.h"
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#include "dip_plugin.h"
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static const char mload_fs[] ATTRIBUTE_ALIGN(32) = "/dev/mload";
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static u32 patch_datas[8] ATTRIBUTE_ALIGN(32);
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static s32 mload_fd = -1;
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/*--------------------------------------------------------------------------------------------------------------*/
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// to init/test if the device is running
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int mload_init() {
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int n;
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if (mload_fd>=0) return 0;
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for (n=0;n<10;n++) { // try 2.5 seconds
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mload_fd=IOS_Open(mload_fs, 0);
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if (mload_fd>=0) break;
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usleep(250*1000);
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}
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return mload_fd;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// to close the device (remember call it when rebooting the IOS!)
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int mload_close() {
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int ret;
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if (mload_fd<0) return -1;
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ret=IOS_Close(mload_fd);
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mload_fd=-1;
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return ret;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// to get the thread id of mload
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int mload_get_thread_id() {
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int ret;
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s32 hid = -1;
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if (mload_init()<0) return -1;
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hid = iosCreateHeap(0x800);
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if (hid<0) return hid;
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ret= IOS_IoctlvFormat(hid, mload_fd, MLOAD_MLOAD_THREAD_ID, ":");
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iosDestroyHeap(hid);
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return ret;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// get the base and the size of the memory readable/writable to load modules
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int mload_get_load_base(u32 *starlet_base, int *size) {
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int ret;
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s32 hid = -1;
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if (mload_init()<0) return -1;
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hid = iosCreateHeap(0x800);
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if (hid<0) return hid;
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ret= IOS_IoctlvFormat(hid, mload_fd, MLOAD_GET_LOAD_BASE, ":ii",starlet_base, size);
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iosDestroyHeap(hid);
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return ret;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// load and run a module from starlet (it need to allocate MEM2 to send the elf file)
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// the module must be a elf made with stripios
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int mload_module(void *addr, int len) {
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int ret;
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void *buf=NULL;
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s32 hid = -1;
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if (mload_init()<0) return -1;
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hid = iosCreateHeap(len+0x800);
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if (hid<0) return hid;
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buf= iosAlloc(hid, len);
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if (!buf) {
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ret= -1;
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goto out;
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}
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memcpy(buf, addr,len);
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ret = IOS_IoctlvFormat(hid, mload_fd, MLOAD_LOAD_MODULE, ":d", buf, len);
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if (ret<0) goto out;
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ret=IOS_IoctlvFormat(hid, mload_fd, MLOAD_RUN_MODULE, ":");
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if (ret<0) {
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ret= -666;
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goto out;
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}
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out:
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iosDestroyHeap(hid);
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return ret;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// load a module from the PPC
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// the module must be a elf made with stripios
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int mload_elf(void *my_elf, data_elf *data_elf) {
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int n,m;
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int p;
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u8 *adr;
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u32 elf=(u32) my_elf;
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if (elf & 3) return -1; // aligned to 4 please!
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elfheader *head=(void *) elf;
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elfphentry *entries;
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if (head->ident0!=0x7F454C46) return -1;
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if (head->ident1!=0x01020161) return -1;
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if (head->ident2!=0x01000000) return -1;
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p=head->phoff;
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data_elf->start=(void *) head->entry;
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for (n=0; n<head->phnum; n++) {
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entries=(void *) (elf+p);
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p+=sizeof(elfphentry);
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if (entries->type == 4) {
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adr=(void *) (elf + entries->offset);
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if (getbe32(0)!=0) return -2; // bad info (sure)
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for (m=4; m < entries->memsz; m+=8) {
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switch (getbe32(m)) {
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case 0x9:
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data_elf->start= (void *) getbe32(m+4);
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break;
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case 0x7D:
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data_elf->prio= getbe32(m+4);
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break;
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case 0x7E:
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data_elf->size_stack= getbe32(m+4);
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break;
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case 0x7F:
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data_elf->stack= (void *) (getbe32(m+4));
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break;
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}
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}
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} else
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if (entries->type == 1 && entries->memsz != 0 && entries->vaddr!=0) {
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if (mload_memset((void *) entries->vaddr, 0, entries->memsz)<0) return -1;
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if (mload_seek(entries->vaddr, SEEK_SET)<0) return -1;
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if (mload_write((void *) (elf + entries->offset), entries->filesz)<0) return -1;
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}
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}
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return 0;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// run one thread (you can use to load modules or binary files)
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int mload_run_thread(void *starlet_addr, void *starlet_top_stack, int stack_size, int priority) {
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int ret;
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s32 hid = -1;
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if (mload_init()<0) return -1;
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hid = iosCreateHeap(0x800);
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if (hid<0) return hid;
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ret= IOS_IoctlvFormat(hid, mload_fd, MLOAD_RUN_THREAD, "iiii:", starlet_addr,starlet_top_stack, stack_size, priority);
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iosDestroyHeap(hid);
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return ret;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// stops one starlet thread
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int mload_stop_thread(int id) {
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int ret;
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s32 hid = -1;
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if (mload_init()<0) return -1;
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hid = iosCreateHeap(0x800);
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if (hid<0) return hid;
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ret= IOS_IoctlvFormat(hid, mload_fd, MLOAD_STOP_THREAD, "i:", id);
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iosDestroyHeap(hid);
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return ret;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// continue one stopped starlet thread
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int mload_continue_thread(int id) {
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int ret;
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s32 hid = -1;
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if (mload_init()<0) return -1;
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hid = iosCreateHeap(0x800);
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if (hid<0) return hid;
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ret= IOS_IoctlvFormat(hid, mload_fd, MLOAD_CONTINUE_THREAD, "i:", id);
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iosDestroyHeap(hid);
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return ret;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// fix starlet address to read/write (uses SEEK_SET, etc as mode)
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int mload_seek(int offset, int mode) {
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if (mload_init()<0) return -1;
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return IOS_Seek(mload_fd, offset, mode);
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// read bytes from starlet (it update the offset)
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int mload_read(void* buf, u32 size) {
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if (mload_init()<0) return -1;
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return IOS_Read(mload_fd, buf, size);
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// write bytes from starlet (it update the offset)
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int mload_write(const void * buf, u32 size) {
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if (mload_init()<0) return -1;
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return IOS_Write(mload_fd, buf, size);
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// fill a block (similar to memset)
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int mload_memset(void *starlet_addr, int set, int len) {
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int ret;
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s32 hid = -1;
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if (mload_init()<0) return -1;
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hid = iosCreateHeap(0x800);
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if (hid<0) return hid;
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ret= IOS_IoctlvFormat(hid, mload_fd, MLOAD_MEMSET, "iii:", starlet_addr, set, len);
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iosDestroyHeap(hid);
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return ret;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// get the ehci datas ( ehcmodule.elf uses this address)
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void * mload_get_ehci_data() {
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int ret;
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s32 hid = -1;
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if (mload_init()<0) return NULL;
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hid = iosCreateHeap(0x800);
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if (hid<0) return NULL;
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ret= IOS_IoctlvFormat(hid, mload_fd, MLOAD_GET_EHCI_DATA, ":");
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if (ret<0) return NULL;
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iosDestroyHeap(hid);
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return (void *) ret;
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}
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/*--------------------------------------------------------------------------------------------------------------*/
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// set the dev/es ioctlv in routine
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int mload_set_ES_ioctlv_vector(void *starlet_addr) {
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int ret;
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s32 hid = -1;
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if (mload_init()<0) return -1;
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hid = iosCreateHeap(0x800);
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if (hid<0) return hid;
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ret= IOS_IoctlvFormat(hid, mload_fd, MLOAD_SET_ES_IOCTLV, "i:", starlet_addr);
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iosDestroyHeap(hid);
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return ret;
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}
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static u32 ios_36[16] ATTRIBUTE_ALIGN(32)= {
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0, // DI_EmulateCmd
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0,
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0x2022DDAC, // dvd_read_controlling_data
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0x20201010+1, // handle_di_cmd_reentry (thumb)
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0x20200b9c+1, // ios_shared_alloc_aligned (thumb)
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0x20200b70+1, // ios_shared_free (thumb)
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0x20205dc0+1, // ios_memcpy (thumb)
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0x20200048+1, // ios_fatal_di_error (thumb)
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0x20202b4c+1, // ios_doReadHashEncryptedState (thumb)
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0x20203934+1, // ios_printf (thumb)
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};
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static u32 ios_38[16] ATTRIBUTE_ALIGN(32)= {
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0, // DI_EmulateCmd
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0,
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0x2022cdac, // dvd_read_controlling_data
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0x20200d38+1, // handle_di_cmd_reentry (thumb)
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0x202008c4+1, // ios_shared_alloc_aligned (thumb)
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0x20200898+1, // ios_shared_free (thumb)
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0x20205b80+1, // ios_memcpy (thumb)
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0x20200048+1, // ios_fatal_di_error (thumb)
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0x20202874+1, // ios_doReadHashEncryptedState (thumb)
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0x2020365c+1, // ios_printf (thumb)
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};
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int load_ehc_module() {
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int is_ios=0;
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if (mload_module(ehcmodule, size_ehcmodule)<0) return -1;
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usleep(350*1000);
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// Test for IOS
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mload_seek(0x20207c84, SEEK_SET);
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mload_read(patch_datas, 4);
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if (patch_datas[0]==0x6e657665) {
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is_ios=38;
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} else {
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is_ios=36;
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}
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if (is_ios==36) {
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// IOS 36
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memcpy(ios_36, dip_plugin, 4); // copy the entry_point
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memcpy(dip_plugin, ios_36, 4*10); // copy the adresses from the array
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mload_seek(0x1377E000, SEEK_SET); // copy dip_plugin in the starlet
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mload_write(dip_plugin,size_dip_plugin);
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// enables DIP plugin
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mload_seek(0x20209040, SEEK_SET);
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mload_write(ios_36, 4);
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}
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if (is_ios==38) {
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// IOS 38
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memcpy(ios_38, dip_plugin, 4); // copy the entry_point
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memcpy(dip_plugin, ios_38, 4*10); // copy the adresses from the array
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mload_seek(0x1377E000, SEEK_SET); // copy dip_plugin in the starlet
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mload_write(dip_plugin,size_dip_plugin);
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// enables DIP plugin
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mload_seek(0x20208030, SEEK_SET);
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mload_write(ios_38, 4);
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}
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mload_close();
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return 0;
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}
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int patch_cios_data() {
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patch_datas[0]=*((u32 *) (dip_plugin+16*4));
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mload_set_ES_ioctlv_vector((void *) patch_datas[0]);
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return 1;
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}
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