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feat: give lindbergh refs their directory

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Abdessamad Derraz committed 2026-08-10 17:29:20 +02:00
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commit d546be33b0
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+23 -23
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emulators/lindbergh-loader.yml
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@@ -19,14 +19,14 @@ notes: |
LD_PRELOAD=lindbergh.so and an
LD_LIBRARY_PATH covering the loader directory, the original directory, the
game directory and ".:lib:../lib", then system()s the ELF
(lindbergh.c:315-378, 874-929). Platforms invoke it as lindbergh-loader
(src/lindbergh/lindbergh.c:315-378, 874-929). Platforms invoke it as lindbergh-loader
(Batocera package and generator, RetroBat, ES-DE find rule LINDBERGH-LOADER).
The Lindbergh hardware is emulated inside lindbergh.so with no external
firmware. Hooked open() and fopen() redirect /dev/lbb (baseboard), /dev/i2c/0
(eeprom), /dev/ttyS0 and /dev/ttyS1 (drive, ride, motion boards and card
reader), /proc/bus/pci/01/00.0 and /proc/bus/pci/00/1f.0 to /dev/zero and
answer from code (hook.c:43, 530-615, 641-853). The security board is DIP
answer from code (src/lindbergh/hook.c:43, 530-615, 641-853). The security board is DIP
switches and test/service lines computed in securityBoard.c:98-140, with no
keychip dump. eeprom.bin and sram.bin are created on first run and their
contents synthesised: eepromSettings.c builds every amSysDataRecord section
@@ -34,12 +34,12 @@ notes: |
eepromSettings.c:24-120). Card_01.crd and Card_02.crd are written from a
56-byte header held in the binary (cardReader.c:227-247). lindbergh.ini and
controls.ini are optional; both fall back to compiled-in defaults and can be
emitted with --create (config.c:510-516, sdlInput.c:790-795).
emitted with --create (config.c:510-516, src/lindbergh/sdlInput.c:790-795).
The one hard external dependency is the NVIDIA Cg runtime. findLibCg() checks
LIBCG_PATH from the ini, then /app/lib32/libCg2.so, $APP_IMG_ROOT/usr/lib32/
libCg2.so, ./libCg.so and $LINDBERGH_LOADER_CURRENT_DIR/libCg.so, and exits
when none is present (shaderPatches.c:1028-1108). Cg 3.1 is a separate
when none is present (src/lindbergh/shaderPatches.c:1028-1108). Cg 3.1 is a separate
requirement: the game ELFs link libCg.so and libCgGL.so, which upstream
vendors as libs/Cg-3.1.zip and installs into the runtime library directory
(scripts/appimage/make-appimage.sh,
@@ -50,13 +50,13 @@ notes: |
Shaders come from the game dump, not from the loader. cacheModedShaderFiles()
reads ../fs/shader and /data/Shader relative to the ELF, patches the Cg
source and serves the result back through the fopen, fread and ftell hooks
(shaderCache.c:474-488, 555-678, hook.c:778-808, 1140-1212).
(shaderCache.c:474-488, 555-678, src/lindbergh/hook.c:778-808, 1140-1212).
Boot logos and console fonts were user-supplied until 2.0.1, which added
built-in copies compiled into lindbergh.so and served from
resources/logo.h and resources/font.h. The originals are read only when
DISABLE_BUILTIN_LOGOS or DISABLE_BUILTIN_FONT is set, from the game
directory (hook.c:655-744, 874-926, fread hook at 1159-1181). Batocera
directory (src/lindbergh/hook.c:655-744, 874-926, fread hook at 1159-1181). Batocera
exposes both switches as ORIGINAL LOGOS and ORIGINAL FONTS.
Custom cursors and crosshairs load from arbitrary ini paths with no default
@@ -70,7 +70,7 @@ files:
required: true
validation: [signature]
description: "NVIDIA Cg 2.0.0.12 runtime used to recompile the game shaders"
source_ref: "shaderPatches.c:1028-1108, shaderPatches.c:1110-1170"
source_ref: "src/lindbergh/shaderPatches.c:1028-1108, src/lindbergh/shaderPatches.c:1110-1170"
note: >-
Searched at LIBCG_PATH, /app/lib32/libCg2.so, $APP_IMG_ROOT/usr/lib32/
libCg2.so, then ./libCg.so and $LINDBERGH_LOADER_CURRENT_DIR/libCg.so. The
@@ -85,7 +85,7 @@ files:
system: sega-lindbergh
required: true
description: "NVIDIA Cg 3.1 OpenGL runtime linked by the game binaries"
source_ref: "lindbergh.c:336-378, scripts/flatpak/com.github.lindberghloader.yml:181-189"
source_ref: "src/lindbergh/lindbergh.c:336-378, scripts/flatpak/com.github.lindberghloader.yml:181-189"
note: >-
Resolved by the dynamic linker for the game ELF through the
LD_LIBRARY_PATH the launcher builds, not opened by loader code. Upstream
@@ -97,7 +97,7 @@ files:
system: sega-lindbergh
required: true
description: "NVIDIA Cg 3.1 runtime linked by the game binaries"
source_ref: "lindbergh.c:336-378, scripts/flatpak/com.github.lindberghloader.yml:181-189"
source_ref: "src/lindbergh/lindbergh.c:336-378, scripts/flatpak/com.github.lindberghloader.yml:181-189"
note: >-
Same origin and mechanism as libCgGL.so, and a different build from the
2.0.0.12 library the shader recompiler loads. Batocera keeps the two Cg
@@ -111,7 +111,7 @@ files:
system: sega-lindbergh
required: false
description: "OpenSSL 0.9.7 crypto library linked by the networked games"
source_ref: "lindbergh.c:336-378, scripts/flatpak/com.github.lindberghloader.yml:244"
source_ref: "src/lindbergh/lindbergh.c:336-378, scripts/flatpak/com.github.lindberghloader.yml:244"
note: >-
Vendored as libs/libcrypto.so.0.9.7 and installed into the runtime library
directory by both the AppImage and Flatpak builds. Resolved by the dynamic
@@ -121,14 +121,14 @@ files:
system: sega-lindbergh
required: false
description: "OpenSSL 0.9.7 TLS library linked by the networked games"
source_ref: "lindbergh.c:336-378, scripts/flatpak/com.github.lindberghloader.yml:245"
source_ref: "src/lindbergh/lindbergh.c:336-378, scripts/flatpak/com.github.lindberghloader.yml:245"
note: "Vendored as libs/libssl.so.0.9.7, paired with libcrypto.so.0.9.7."
- name: libopenal.so.0
system: sega-lindbergh
required: false
description: "OpenAL runtime preloaded for Quiz Answer x Answer"
source_ref: "lindbergh.c:22, lindbergh.c:315-328, lindbergh.c:882-890"
source_ref: "src/lindbergh/lindbergh.c:22, src/lindbergh/lindbergh.c:315-328, src/lindbergh/lindbergh.c:882-890"
note: >-
When the ELF is q2satl_lind the launcher looks the file up through
findPreloadLibrary and appends it to LD_PRELOAD. Absence prints "You might
@@ -141,7 +141,7 @@ files:
system: sega-lindbergh
required: false
description: "Sega Lindbergh boot and hardware check program, version 2.4"
source_ref: "lindbergh.c:696-698, lindbergh.c:892-895, hook.c:1625-1632, config.h:57-58, gameData.c:51-52"
source_ref: "src/lindbergh/lindbergh.c:696-698, src/lindbergh/lindbergh.c:892-895, src/lindbergh/hook.c:1625-1632, src/lindbergh/config.h:57-58, src/lindbergh/gameData.c:51-52"
unsourceable: >-
Lives at /usr/sbin/segaboot on the board's hard disk, which no dump
project covers. The /usr partition images that circulate are encrypted
@@ -150,12 +150,12 @@ files:
Run as "segaboot -t" under -s or --segaboot. A 32-bit x86 Linux ELF.
0x38d56318 identifies Segaboot 2.4 and 0xa518b18b the build carrying
symbols, but neither is a whole-file checksum and neither belongs in a
hash field: hook.c computes them as CRC-32 over 0x4000 bytes starting
hash field: src/lindbergh/hook.c computes them as CRC-32 over 0x4000 bytes starting
10 bytes into program header index 2, guarded by p_type == PT_LOAD and
p_flags == 5. Declaring one as crc32 gives verify.py a value it can
never reproduce. The comparison drives identification only: an unknown
CRC logs a warning and startup continues. SEGABOOT 0x0027 and
SEGABOOT_2_6 0x0030 in config.h are placeholders, not checksums, and no
SEGABOOT_2_6 0x0030 in src/lindbergh/config.h are placeholders, not checksums, and no
table entry uses them.
# -- Lindbergh boot assets, replaced by built-in copies since 2.0.1 --
@@ -166,7 +166,7 @@ files:
hle_fallback: true
has_builtin: true
description: "Lindbergh boot logo, read from /usr/lib/boot on the original system"
source_ref: "hook.c:655-667, hook.c:888-900"
source_ref: "src/lindbergh/hook.c:655-667, src/lindbergh/hook.c:888-900"
note: >-
Read from the game directory only when DISABLE_BUILTIN_LOGOS is set.
Otherwise the logoLL array in resources/logo.h answers the read.
@@ -177,7 +177,7 @@ files:
hle_fallback: true
has_builtin: true
description: "Lindbergh Red boot logo, read from /usr/lib/boot on the original system"
source_ref: "hook.c:669-681, hook.c:874-886"
source_ref: "src/lindbergh/hook.c:669-681, src/lindbergh/hook.c:874-886"
note: >-
Read from the game directory only when DISABLE_BUILTIN_LOGOS is set.
Otherwise the logoLLRed array in resources/logo.h answers the read.
@@ -188,7 +188,7 @@ files:
hle_fallback: true
has_builtin: true
description: "Sega Kaku Gothic console font texture"
source_ref: "hook.c:718-730, hook.c:902-914"
source_ref: "src/lindbergh/hook.c:718-730, src/lindbergh/hook.c:902-914"
note: >-
Read from the game directory only when DISABLE_BUILTIN_FONT is set.
The built-in is one shared 128x256 atlas (fontTGA) and one metrics
@@ -214,7 +214,7 @@ files:
hle_fallback: true
has_builtin: true
description: "Sega Kaku Gothic console font metrics"
source_ref: "hook.c:732-744, hook.c:916-928"
source_ref: "src/lindbergh/hook.c:732-744, src/lindbergh/hook.c:916-928"
note: >-
Read from the game directory only when DISABLE_BUILTIN_FONT is set.
The built-in is one shared 128x256 atlas (fontTGA) and one metrics
@@ -241,7 +241,7 @@ files:
hle_fallback: true
has_builtin: true
description: "Lucida Console font texture"
source_ref: "hook.c:683-695"
source_ref: "src/lindbergh/hook.c:683-695"
note: >-
Read from the game directory only when DISABLE_BUILTIN_FONT is set.
The built-in is one shared 128x256 atlas (fontTGA) and one metrics
@@ -267,7 +267,7 @@ files:
hle_fallback: true
has_builtin: true
description: "Lucida Console font metrics"
source_ref: "hook.c:697-709"
source_ref: "src/lindbergh/hook.c:697-709"
note: >-
Read from the game directory only when DISABLE_BUILTIN_FONT is set.
The built-in is one shared 128x256 atlas (fontTGA) and one metrics
@@ -293,7 +293,7 @@ files:
system: sega-lindbergh
required: false
description: "Lindbergh site configuration read by Sega's lxmaster boot supervisor"
source_ref: "hook.c:650-653"
source_ref: "src/lindbergh/hook.c:650-653"
unsourceable: >-
/root is a symlink to /usr/local/root, so the file sits on the same
unpreserved hard-disk partition as segaboot. Nothing canonical exists to
@@ -312,7 +312,7 @@ files:
category: game_data
required: false
description: "SDL gamepad mappings added on top of the built-in table"
source_ref: "lindbergh.c:415-430, lindbergh.c:478, sdlInput.c:209-217"
source_ref: "src/lindbergh/lindbergh.c:415-430, src/lindbergh/lindbergh.c:478, src/lindbergh/sdlInput.c:209-217"
note: >-
Loaded from the path given by -d or --controllerdb, passed through the
LINDBERGH_CONTROLS_DB_PATH environment variable. The built-in mappings in