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loader/util: support regular zstd alongside zbic

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This commit is contained in:
hexkyz
2026-06-24 22:08:13 +01:00
parent 10722de8b9
commit 3ace80cc7b
5 changed files with 93 additions and 21 deletions
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4
stratosphere/loader/source/ldr_process_creation.cpp
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@@ -121,7 +121,7 @@ namespace ams::ldr {
NsoHeader g_nso_headers[Nso_Count];
/* Global Zstd decompression context. */
alignas(8) u8 g_zstd_dctx_workspace[util::ZstdDctxWorkspaceSize];
alignas(8) u8 g_zstd_dctx_workspace[util::DecompressZstdWithBicWorkBufferSizeDefault];
Result ValidateProgramVersion(ncm::ProgramId program_id, u32 version) {
/* No version verification is done before 8.1.0. */
@@ -660,7 +660,7 @@ namespace ams::ldr {
auto compressed_data_buf = reinterpret_cast<const void *>(load_address);
if (is_zbic) {
bool decompressed = util::DecompressZbicForLoader(reinterpret_cast<void *>(g_zstd_dctx_workspace), sizeof(g_zstd_dctx_workspace), reinterpret_cast<void *>(map_base), static_cast<size_t>(map_end - map_base), segment_size, compressed_data_buf, file_size);
bool decompressed = util::DecompressZstdWithBic(reinterpret_cast<void *>(g_zstd_dctx_workspace), sizeof(g_zstd_dctx_workspace), reinterpret_cast<void *>(map_base), static_cast<size_t>(map_end - map_base), segment_size, compressed_data_buf, file_size);
R_UNLESS_LOG(decompressed, ldr::ResultInvalidNso(), "[ldr] Failed to decompress segment with zbic!\n");
} else {
bool decompressed = (util::DecompressLZ4(reinterpret_cast<void *>(map_base), segment_size, compressed_data_buf, file_size) == static_cast<int>(segment_size));