#include "Bootloader.h"
-//they are in mem in that order fs loader pm sm pix
-
-
+// they are in mem in that order fs loader pm sm pix
+// FIXME ^ Not necessarily true, assumption (@chaoskagami)
//tools
static u32 Read32revers(uint8_t p[4])
if (fseek(fd, offset, SEEK_SET) != 0)
{
- XDSERROR("failed to seek.");
+ XDSERROR("Failed to seek to origin in file. Handle valid?");
return NULL;
}
// Read header.
if (fread(&loader_h, sizeof(loader_h), 1, fd) != 1) {
- XDSERROR("failed to read header.");
+ XDSERROR("Failed to read header from file.");
return NULL;
}
// Load NCCH
if (memcmp(&loader_h.magic, "NCCH", 4) != 0) {
- XDSERROR("invalid magic.. wrong file?");
+ XDSERROR("Invalid magic. Is this an NCCH?");
return NULL;
}
// Read Exheader.
if (fread(&ex, sizeof(ex), 1, fd) != 1) {
- XDSERROR("failed to read exheader.");
+ XDSERROR("Failed to read exheader.");
return NULL;
}
if (fseek(fd, exefs_off + ncch_off + offset, SEEK_SET) != 0)
{
- XDSERROR("failed to seek.");
+ XDSERROR("Failed to seek to offset of ExeFs.");
return NULL;
}
exefs_header eh;
if (fread(&eh, sizeof(eh), 1, fd) != 1) {
- XDSERROR("failed to read ExeFS header.");
+ XDSERROR("Failed to read ExeFS header.");
return NULL;
}
sec_off += exefs_off + sizeof(eh);
if (fseek(fd, sec_off + ncch_off + offset, SEEK_SET) != 0)
{
- XDSERROR("failed to seek.");
+ XDSERROR("Failed to seek to .code offset.");
return NULL;
}
u8* sec = (u8*)malloc(AlignPage(sec_size));
if (sec == NULL) {
- XDSERROR("section malloc failed.");
+ XDSERROR("Failed to allocate memory for section.");
return NULL;
}
if (fread(sec, sec_size, 1, fd) != 1) {
- XDSERROR("section fread failed.");
+ XDSERROR("Failed to read section to memory.");
free(sec);
return NULL;
}
u8* dec = (u8*)malloc(AlignPage(dec_size));
if (!dec) {
- XDSERROR("decompressed data block allocation failed.");
+ XDSERROR("Failed to allocate memory for decompression.");
free(sec);
return NULL;
}
u32 firmexpected = Read32(ex.codesetinfo.text.codesize) + Read32(ex.codesetinfo.ro.codesize) + Read32(ex.codesetinfo.data.codesize);
if (Decompress(sec, sec_size, dec, dec_size) == 0) {
- XDSERROR("section decompression failed.");
+ XDSERROR("Decompression of .code failed.");
free(sec);
free(dec);
return NULL;
u32 codesize = AlignPage(realcodesize);
u8* code = (u8*)malloc(codesize);
if (!code) {
- XDSERROR("text data block allocation failed.");
+ XDSERROR("Text segment allocation failed.");
free(sec);
return NULL;
}
u32 rodatasize = AlignPage(realrodatasize);
u8* rodata = (u8*)malloc(rodatasize);
if (!rodata) {
- XDSERROR("rodata data block allocation failed.");
+ XDSERROR("ROData segment allocation failed.");
free(code);
free(sec);
return NULL;
u32 datasize = AlignPage(realdatasize);
u8* data = (u8*)malloc(datasize);
if (!data) {
- XDSERROR("data data block allocation failed.");
+ XDSERROR("Data segment allocation failed.");
free(code);
free(sec);
free(rodata);
u8 temp[4];
if (fread(temp, 4, 1, fd) != 1)
{
- XDSERROR("reading tmd Signature Type");
+ XDSERROR("Failed to retrieve signature type from TMD.");
return NULL;
}
u32 Signature_Type = Read32revers(temp);
y = 0x80;
break;
default:
- LOG("unknown Signature Type fallback");
+ LOG("Warning: Signature type is unknown. Falling back to 0x140.");
y = 0x140;
break;
}
if (fseek(fd, y + 0x9C4, SEEK_SET) != 0)
{
- XDSERROR("reading tmd Signature Type");
+ XDSERROR("Failed to retrieve signature type from TMD.");
return NULL;
}
if (fread(temp, 4, 1, fd) != 1)
{
- XDSERROR("reading tmd Signature Type");
+ XDSERROR("Failed to retrieve signature type from TMD.");
return NULL;
}
u32 index = Read32revers(temp);
fd = fopen(string, "rb");
if (fd == NULL)
{
- XDSERROR("opening the container %s", string);
+ XDSERROR("Failed to open app container: `%s`", string);
return NULL;
}
return fd;
// Read header.
if (fread(&loader_h, sizeof(loader_h), 1, fd) != 1) {
- XDSERROR("failed to read header.");
+ XDSERROR("Failed to read header.");
return -1;
}
// Load NCCH
if (memcmp(&loader_h.magic, "NCCH", 4) != 0) {
- XDSERROR("invalid magic.. wrong file?");
+ XDSERROR("Invalid magic. Is this an NCCH file?");
return -1;
}
// Read Exheader.
if (fread(&ex, sizeof(ex), 1, fd) != 1) {
- XDSERROR("failed to read exheader.");
+ XDSERROR("Failed to read exheader.");
return -1;
}
// Read header.
if (fread(&loader_h, sizeof(loader_h), 1, fd) != 1) {
- XDSERROR("failed to read header.");
+ XDSERROR("Failed to read header.");
return -1;
}
// Load NCCH
if (memcmp(&loader_h.magic, "NCCH", 4) != 0) {
- XDSERROR("invalid magic.. wrong file?");
+ XDSERROR("Invalid magic. Is this an NCCH file?");
return -1;
}
// Read Exheader.
if (fread(&ex, sizeof(ex), 1, fd) != 1) {
- XDSERROR("failed to read exheader.");
+ XDSERROR("Failed to read exheader.");
return -1;
}
if (fseek(fd, exefs_off + ncch_off, SEEK_SET) != 0)
{
- XDSERROR("failed to seek.");
+ XDSERROR("Failed to seek.");
return -2;
}
exefs_header eh;
if (fread(&eh, sizeof(eh), 1, fd) != 1) {
- XDSERROR("failed to read ExeFS header.");
+ XDSERROR("Failed to read ExeFS header.");
return -1;
}
return exefs_off + sizeof(eh) + sec_off;
}
}
- XDSERROR("finding section");
+ XDSERROR("Finding section");
return -1;
}
int Boot(KKernel* kernel)
{
- FILE* fd = openapp(0x00040138, 0x00000002);//this is firm
+ FILE* fd = openapp(0x00040138, 0x00000002); //this is firm
//open the firm to extrect the core modules
u64 temp;
s64 sec_off = FindTableOffset(fd, ".firm", temp, NULL);
u32 out_offset;
if (sec_off > 0)
{
- KProcess* process = Boot_LoadFileFast(fd, sec_off + 0x200, &out_offset, kernel);//The first is most likely the NCCH container but that may change I don't know how to detect the correct container so I just do it by a static offset TODO
+ // TODO - The first is most likely the NCCH container but that may change
+ // I don't know how to detect the correct container so I just do it by a static offset
+ KProcess* process = Boot_LoadFileFast(fd, sec_off + 0x200, &out_offset, kernel);
for (int j = 0; j < 4; j++) //boot all 5
{
process = Boot_LoadFileFast(fd, (out_offset + 0x1FF)&~0x1FF, &out_offset, kernel);
fclose(fd);
return 0; //it worked
}
- if (fd) fclose(fd);
- XDSERROR("finding .firm section");
- return -1;
- XDSERROR("finding firm");
+ if (fd)
+ fclose(fd);
+ XDSERROR("Failed to boot. Couldn't load FIRM. Do you have NAND files?");
return -1;
-
}
projects / console / XDS.git / commitdiff