OmniNX/Atmosphere
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ro: support NROs with read-only first page

Browse Source
This commit is contained in:
Michael Scire
2024-10-10 01:40:28 -07:00
committed by SciresM
parent 9cfd535568
commit 624f8d0d8d
4 changed files with 27 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
stratosphere/ro/source/impl/ro_nro_utils.cpp
View File

@@ -51,11 +51,15 @@ namespace ams::ro::impl {
R_SUCCEED();
}
Result SetNroPerms(os::NativeHandle process_handle, u64 base_address, u64 rx_size, u64 ro_size, u64 rw_size) {
const u64 rx_offset = 0;
Result SetNroPerms(os::NativeHandle process_handle, u64 base_address, u64 rx_size, u64 ro_size, u64 rw_size, bool is_aligned_header) {
const u64 rx_offset = is_aligned_header ? os::MemoryPageSize : 0;
const u64 ro_offset = rx_offset + rx_size;
const u64 rw_offset = ro_offset + ro_size;
if (is_aligned_header) {
R_TRY(os::SetProcessMemoryPermission(process_handle, base_address, os::MemoryPageSize, os::MemoryPermission_ReadOnly));
}
R_TRY(os::SetProcessMemoryPermission(process_handle, base_address + rx_offset, rx_size, os::MemoryPermission_ReadExecute));
R_TRY(os::SetProcessMemoryPermission(process_handle, base_address + ro_offset, ro_size, os::MemoryPermission_ReadOnly));
R_TRY(os::SetProcessMemoryPermission(process_handle, base_address + rw_offset, rw_size, os::MemoryPermission_ReadWrite));