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NaCl SFI Design for ppc64le

Overview

Google Native Client (NaCl) uses Software Fault Isolation (SFI) to sandbox untrusted native code. Each supported architecture has a unique SFI implementation. The closest existing analogy for ppc64le is the MIPS 32-bit port: both use fixed-length instructions, pure software isolation (no hardware segments), and dedicated mask registers.

NaCl currently supports: x86-32 (hardware segments), x86-64 (base register + zero-extension), ARM 32-bit (bic masking), and MIPS 32-bit (mask registers). No PPC support has ever existed.

Common SFI Invariants (All Architectures)

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Installing GOG Games on Unsupported Architecture with Native MojoSetup

GOG's Linux game installers (.sh files) are Makeself archives that bundle a custom mojosetup binary (x86_64) to handle the installation UI and file extraction. On non-x86 architectures like PPC64LE or RISCV, the bundled binary won't run natively. This document describes how to compile mojosetup from source for your architecture and use it to run any GOG .sh installer, with support for stdio, ncurses (TUI), GTK2, GTK3, and GTK4 (graphical) interfaces.

Background

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test_vinsertd.c:

#include <stdio.h>
#include <stdint.h>
#include <altivec.h>
typedef union {
    vector unsigned char v;
    uint64_t u64[2];
    uint32_t u32[4];

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SIMD Optimization Plan for the Software Renderer

This document covers the feasibility analysis and implementation plan for adding SIMD acceleration to the Yamagi Quake II software renderer (src/client/refresh/soft/).

Table of Contents

1. Architecture Overview
2. Current Bottlenecks

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Great choice! Monkey Island 1 (The Secret of Monkey Island) uses the SCUMM engine (v5) and has well-established tooling. The Talkie CD version adds voice acting, which you'd keep while translating text. Overview You'll need to:

1. Extract text strings from game data
2. Translate to Vietnamese
3. Create/modify fonts to support Vietnamese characters
4. Repack the game data
5. Test with ScummVM Tools You'll Need | Tool | Purpose |

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[tle@fedora ~/W/zig]$ git diff
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0ab8e1cddd..eb2f60dbf1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -793,7 +793,7 @@ if(MSVC)
 else()
   set(ZIG_WASM2C_COMPILE_FLAGS "-std=c99 -O2")
   set(ZIG1_COMPILE_FLAGS "-std=c99 -Os")
-  set(ZIG2_COMPILE_FLAGS "-std=c99 -O0 -fno-sanitize=undefined -fno-stack-protector")

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So if you happen to use fish shell for your toolbox container environment, you should set the fish_prompt by modify ~/.config/fish/config.fish:

if status is-interactive
  # Commands to run in interactive sessions can go here
  function is_toolbox
    if test -f /run/.toolboxenv
      set toolbox_name (grep -E '^name="' /run/.containerenv | cut -d \" -f 2)
      echo " ❱ $toolbox_name"
 end

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Run following bash script:

#!/bin/bash

# For binaries
SRC_BIN_DIR="/usr/bin"
DEST_BIN_DIR="$HOME/.local/uubin"

# Ensure destination directory exists

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commit 3b6664a217eaea1ddb00dd978a5326b14ca57fa4
Author: Trung Lê <8@tle.id.au>
Date:   Tue Aug 12 11:27:43 2025 +1000

    new version 2.3.8

diff --git a/.gitignore b/.gitignore
index 8a39d88..d6d11eb 100644
--- a/.gitignore
+++ b/.gitignore

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$ export CC='gcc -std=c90'
$ ./configure
checking for a BSD-compatible install... /usr/bin/install -c
checking whether sleep supports fractional seconds... yes
checking filesystem timestamp resolution... 0.1
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /usr/bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes