#!/usr/bin/tclsh
#
# ps3mfw -- PS3 MFW creator
#
# Copyright (C) Anonymous Developers (Code Monkeys)
#
# This software is distributed under the terms of the GNU General Public
# License ("GPL") version 3, as published by the Free Software Foundation.
#

# Priority: 300
# Description: Patching LV1 hypervisor to Unmask bootldr by HV (BRICK RISK! for documenting purpose only)

# Option --unmask-lv1: Unmask bootldr by HV

# Type --unmask-lv1: boolean

namespace eval ::unmask_lv1 {

    array set ::unmask_lv1::options {
        --unmask-lv1 true
    }

    proc main { } {
        set self "lv1.self"

        ::modify_coreos_file $self ::unmask_lv1::patch_self
    }

    proc patch_self {self} {
        if {!$::unmask_lv1::options(--unmask-lv1)} {
            log "WARNING: Enabled task has no enabled option" 1
        } else {
            ::modify_self_file $self ::unmask_lv1::patch_elf
        }
    }

    proc patch_elf {elf} {
        if {$::unmask_lv1::options(--unmask-lv1)} {
            log "Patching LV1 hypervisor to Unmask bootldr by HV"

            set search  "\x39\x84\x02\x00\xf8\x01\x00\x90"
            set replace "\x00"

            catch_die {::patch_elf $elf $search 2 $replace} \
                "Unable to patch self [file tail $elf]"
        }
    }
}