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adaption to keep the sd_loader equal for RPX and ELF HBL versions

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This commit is contained in:
dimok789 2016-11-14 22:08:03 +01:00
parent 1a99264ab5
commit ca7ece167f
2 changed files with 86 additions and 17 deletions
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41
sd_loader/src/entry.c
View File

@ -1,8 +1,8 @@
#include <gctypes.h>
#include "elf_abi.h"
#include "../../src/common/common.h"
#include "../../src/common/fs_defs.h"
#include "../../src/common/os_defs.h"
#include "fs_defs.h"
#include "kernel_defs.h"
#include "loader_defs.h"
@ -447,6 +447,26 @@ static int LoadFileToMem(private_data_t *private_data, const char *filepath, uns
return success;
}
static void setup_patches(private_data_t *private_data)
{
//! setup necessary syscalls and hooks for HBL
kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl1 + (0x25 * 4)), (unsigned int)KernelCopyData);
kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl2 + (0x25 * 4)), (unsigned int)KernelCopyData);
kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl3 + (0x25 * 4)), (unsigned int)KernelCopyData);
kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl4 + (0x25 * 4)), (unsigned int)KernelCopyData);
kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl5 + (0x25 * 4)), (unsigned int)KernelCopyData);
//! store physical address for later use
addrphys_LiWaitOneChunk = private_data->OSEffectiveToPhysical((void*)OS_SPECIFICS->addr_LiWaitOneChunk);
u32 addr_my_PrepareTitle_hook = ((u32)my_PrepareTitle_hook) | 0x48000003;
DCFlushRange(&addr_my_PrepareTitle_hook, 4);
//! create our copy syscall
SC0x25_KernelCopyData(OS_SPECIFICS->addr_PrepareTitle_hook, private_data->OSEffectiveToPhysical(&addr_my_PrepareTitle_hook), 4);
}
static unsigned int load_elf_image (private_data_t *private_data, unsigned char *elfstart)
{
Elf32_Ehdr *ehdr;
@ -502,22 +522,6 @@ static unsigned int load_elf_image (private_data_t *private_data, unsigned char
}
}
//! setup hooks
kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl1 + (0x25 * 4)), (unsigned int)KernelCopyData);
kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl2 + (0x25 * 4)), (unsigned int)KernelCopyData);
kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl3 + (0x25 * 4)), (unsigned int)KernelCopyData);
kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl4 + (0x25 * 4)), (unsigned int)KernelCopyData);
kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl5 + (0x25 * 4)), (unsigned int)KernelCopyData);
//! store physical address for later use
addrphys_LiWaitOneChunk = private_data->OSEffectiveToPhysical((void*)OS_SPECIFICS->addr_LiWaitOneChunk);
u32 addr_my_PrepareTitle_hook = ((u32)my_PrepareTitle_hook) | 0x48000003;
DCFlushRange(&addr_my_PrepareTitle_hook, 4);
//! create our copy syscall
SC0x25_KernelCopyData(OS_SPECIFICS->addr_PrepareTitle_hook, private_data->OSEffectiveToPhysical(&addr_my_PrepareTitle_hook), 4);
return ehdr->e_entry;
}
@ -593,6 +597,9 @@ int _start(int argc, char **argv)
if(MAIN_ENTRY_ADDR == 0xDEADC0DE || MAIN_ENTRY_ADDR == 0)
{
//! setup necessary syscalls and hooks for HBL before launching it
setup_patches(&private_data);
if(HBL_CHANNEL)
{
break;

62
sd_loader/src/fs_defs.h Normal file
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@ -0,0 +1,62 @@
#ifndef FS_DEFS_H
#define FS_DEFS_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/* FS defines and types */
#define FS_MAX_LOCALPATH_SIZE 511
#define FS_MAX_MOUNTPATH_SIZE 128
#define FS_MAX_FULLPATH_SIZE (FS_MAX_LOCALPATH_SIZE + FS_MAX_MOUNTPATH_SIZE)
#define FS_MAX_ARGPATH_SIZE FS_MAX_FULLPATH_SIZE
#define FS_STATUS_OK 0
#define FS_RET_UNSUPPORTED_CMD 0x0400
#define FS_RET_NO_ERROR 0x0000
#define FS_RET_ALL_ERROR (unsigned int)(-1)
#define FS_STAT_FLAG_IS_DIRECTORY 0x80000000
/* max length of file/dir name */
#define FS_MAX_ENTNAME_SIZE 256
#define FS_SOURCETYPE_EXTERNAL 0
#define FS_SOURCETYPE_HFIO 1
#define FS_SOURCETYPE_HFIO 1
#define FS_MOUNT_SOURCE_SIZE 0x300
#define FS_CLIENT_SIZE 0x1700
#define FS_CMD_BLOCK_SIZE 0xA80
typedef struct
{
uint32_t flag;
uint32_t permission;
uint32_t owner_id;
uint32_t group_id;
uint32_t size;
uint32_t alloc_size;
uint64_t quota_size;
uint32_t ent_id;
uint64_t ctime;
uint64_t mtime;
uint8_t attributes[48];
} __attribute__((packed)) FSStat;
typedef struct
{
FSStat stat;
char name[FS_MAX_ENTNAME_SIZE];
} FSDirEntry;
#ifdef __cplusplus
}
#endif
#endif /* FS_DEFS_H */