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emummc: fix nintendo path redir on 4.1.0

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This commit is contained in:
Michael Scire 2019-06-16 15:01:10 -07:00
parent 2c46ec9638
commit 0bf7df0426
25 changed files with 111 additions and 111 deletions
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15
emummc/source/main.c
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@ -154,15 +154,14 @@ void write_nop(uintptr_t source)
smcWriteAddress32((void *)source, GENERATE_NOP());
}
void write_adrp_add(int reg, uintptr_t pc, intptr_t destination)
void write_adrp_add(int reg, uintptr_t pc, uintptr_t add_rel_offset, intptr_t destination)
{
uintptr_t add_opcode_location = pc + sizeof(uint32_t);
uintptr_t add_opcode_location = pc + add_rel_offset;
intptr_t offset = (destination & 0xFFFFF000) - (pc & 0xFFFFF000);
uint32_t opcode_adrp = GENERATE_ADRP(reg, offset);
uint32_t opcode_add = GENERATE_ADD(reg, reg, (destination & 0x00000FFF));
// TODO: use 64 write?
smcWriteAddress32((void *)pc, opcode_adrp);
smcWriteAddress32((void *)add_opcode_location, opcode_add);
}
@ -268,7 +267,7 @@ void setup_nintendo_paths(void)
{
intptr_t nintendo_path_location = (intptr_t)&nintendo_path;
uintptr_t fs_adrp_opcode_location = INJECT_OFFSET(uintptr_t, fs_offsets->nintendo_paths[i].adrp_offset);
write_adrp_add(fs_offsets->nintendo_paths[i].opcode_reg, fs_adrp_opcode_location, nintendo_path_location);
write_adrp_add(fs_offsets->nintendo_paths[i].opcode_reg, fs_adrp_opcode_location, fs_offsets->nintendo_paths[i].add_rel_offset, nintendo_path_location);
}
}
else
@ -281,8 +280,8 @@ void setup_nintendo_paths(void)
intptr_t album_path_location = nintendo_album_path_location + path_len - 6; // "/Album"
uintptr_t fs_n_adrp_opcode_location = INJECT_OFFSET(uintptr_t, fs_offsets->nintendo_paths[0].adrp_offset);
uintptr_t fs_adrp_opcode_location = INJECT_OFFSET(uintptr_t, fs_offsets->nintendo_paths[1].adrp_offset);
write_adrp_add(fs_offsets->nintendo_paths[0].opcode_reg, fs_n_adrp_opcode_location, nintendo_album_path_location);
write_adrp_add(fs_offsets->nintendo_paths[1].opcode_reg, fs_adrp_opcode_location, album_path_location);
write_adrp_add(fs_offsets->nintendo_paths[0].opcode_reg, fs_n_adrp_opcode_location, fs_offsets->nintendo_paths[0].add_rel_offset, nintendo_album_path_location);
write_adrp_add(fs_offsets->nintendo_paths[1].opcode_reg, fs_adrp_opcode_location, fs_offsets->nintendo_paths[1].add_rel_offset, album_path_location);
}
// Do contents path
{
@ -291,8 +290,8 @@ void setup_nintendo_paths(void)
intptr_t contents_path_location = nintendo_contents_path_location + path_len - 9; // "/Contents"
uintptr_t fs_n_adrp_opcode_location = INJECT_OFFSET(uintptr_t, fs_offsets->nintendo_paths[2].adrp_offset);
uintptr_t fs_adrp_opcode_location = INJECT_OFFSET(uintptr_t, fs_offsets->nintendo_paths[3].adrp_offset);
write_adrp_add(fs_offsets->nintendo_paths[2].opcode_reg, fs_n_adrp_opcode_location, nintendo_contents_path_location);
write_adrp_add(fs_offsets->nintendo_paths[3].opcode_reg, fs_adrp_opcode_location, contents_path_location);
write_adrp_add(fs_offsets->nintendo_paths[2].opcode_reg, fs_n_adrp_opcode_location, fs_offsets->nintendo_paths[2].add_rel_offset, nintendo_contents_path_location);
write_adrp_add(fs_offsets->nintendo_paths[3].opcode_reg, fs_adrp_opcode_location, fs_offsets->nintendo_paths[3].add_rel_offset, contents_path_location);
}
}
}