Adding nopad option to ps1-packer.

src/supportpsx/binffi.lua

@@ -37,6 +37,7 @@ struct BinaryLoaderInfo {
 struct PS1PackerOptions {
     uint32_t tload;
     bool shell;
+    bool nopad;
     bool booty;
     bool raw;
     bool rom;
@@ -99,6 +100,7 @@ PCSX.Binary.pack = function(src, dest, addr, pc, gp, sp, options)
     opts.tload = options.tload and options.tload or 0
     opts.booty = options.booty and true or false
     opts.shell = options.shell and true or false
+    opts.nopad = options.nopad and true or false
     opts.raw = options.raw and true or false
     opts.rom = options.rom and true or false
     opts.cpe = options.cpe and true or false

src/supportpsx/ps1-packer.cc

@@ -171,7 +171,8 @@ void PCSX::PS1Packer::pack(IO<File> src, IO<File> dest, uint32_t addr, uint32_t
         pushBytes(dataOut, jr(Reg::T0));
         pushBytes(dataOut, addiu(Reg::RA, Reg::T8, 0));
     }
-    while (!options.cpe && !options.booty && !options.rom && !options.raw && ((dataOut.size() & 0x7ff) != 0)) {
+    while (!options.cpe && !options.booty && !options.rom && !options.raw && !options.nopad &&
+           ((dataOut.size() & 0x7ff) != 0)) {
         dataOut.push_back(0);
     }
 

src/supportpsx/ps1-packer.h

@@ -37,6 +37,7 @@ namespace PS1Packer {
 struct Options {
     uint32_t tload = 0;
     bool shell = false;
+    bool nopad = false;
     bool booty = false;
     bool raw = false;
     bool rom = false;

tools/ps1-packer/ps1-packer.cc

@@ -44,6 +44,7 @@ ps1-packer by Nicolas "Pixel" Noble
     const bool booty = args.get<bool>("booty").value_or(false);
     const bool rom = args.get<bool>("rom").value_or(false);
     const bool cpe = args.get<bool>("cpe").value_or(false);
+    const bool nopad = args.get<bool>("nopad").value_or(false);
     unsigned outputTypeCount = (raw ? 1 : 0) + (booty ? 1 : 0) + (rom ? 1 : 0) + (cpe ? 1 : 0);
     if (asksForHelp || !oneInput || !hasOutput || (outputTypeCount > 1)) {
         fmt::print(R"(
@@ -53,6 +54,7 @@ Usage: {} input.ps-exe [-h] [-tload addr] [-shell] [-raw | -booty | -rom | -cpe]
   -h                displays this help information and exit.
   -tload            force loading at this address instead of doing in-place.
   -shell            adds a kernel reset stub.
+  -nopad            disables padding of the output file to 2048 bytes. Only for PS-EXE output.
 
 These options control the output format, and are mutually exclusive:
   -raw              outputs a raw file.
@@ -99,6 +101,7 @@ Valid input binary files can be in the following formats:
     options.cpe = cpe;
     options.shell = shell;
     options.tload = tload;
+    options.nopad = nopad;
     PCSX::IO<PCSX::File> out(new PCSX::PosixFile(output.value().c_str(), PCSX::FileOps::TRUNCATE));
     PCSX::PS1Packer::pack(new PCSX::SubFile(memory, memory->lowestAddress(), memory->actualSize()), out,
                           memory->lowestAddress(), info.pc.value_or(0), info.gp.value_or(0), info.sp.value_or(0),