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Support custom bootloader *and* installer disk number. 

For weird systems where NTLDR sees a different order of disks than the installer. I think the Windows XP RTM (original release/service pack 0) installer tends to do this.
This commit is contained in:
kernelpanic 2023-09-24 23:42:32 -04:00
parent ebe2ac98f8
commit ee513d7d0c
1 changed files with 8 additions and 5 deletions
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13
src/main.rs
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@ -7,17 +7,20 @@ fn main() {
let args: Vec<String> = env::args().collect();
let iso_mount_dir = Path::new(args.get(1)
.expect("Arguments: rsfus (path to XP ISO mount) [disk number]"))
.expect("Arguments: rsfus (path to XP ISO mount) [bootloader disk number] [installer disk number]"))
.canonicalize().expect("Can't canonicalize path to XP ISO mount.");
if !iso_mount_dir.exists() || !iso_mount_dir.is_dir() {
panic!("XP ISO mount is not a directory.");
}
let disk_number = if let Some(i) = args.get(2) {
let bootloader_disk_number = if let Some(i) = args.get(2) {
i.parse::<u8>().expect("Not a valid number for disk number!")
} else { 1 };
let setup_source_line = format!("SetupSourceDevice = \"\\device\\harddisk{disk_number}\\partition1\"");
let installer_disk_number = if let Some(i) = args.get(3) {
i.parse::<u8>().expect("Not a valid number for disk number!")
} else { 1 };
let setup_source_line = format!("SetupSourceDevice = \"\\device\\harddisk{installer_disk_number}\\partition1\"");
let amd64_basedir = iso_mount_dir.join("amd64");
let i386_basedir = iso_mount_dir.join("i386");
@ -88,8 +91,8 @@ fn main() {
for index in 0..(bootmgr_contents.len() - win_nt_bt.len()) {
if &bootmgr_contents[index..index + rdisk0.len()] == rdisk0 {
println!("BOOTMGR: {index:#010x} Patching rdisk(0) --> rdisk({disk_number})");
bootmgr_contents[index + 6] = 0x30 + disk_number;
println!("BOOTMGR: {index:#010x} Patching rdisk(0) --> rdisk({bootloader_disk_number})");
bootmgr_contents[index + 6] = 0x30 + bootloader_disk_number;
}
if &bootmgr_contents[index..index + win_nt_bt.len()] == win_nt_bt