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Fix architecture detection on Windows in Makefile, bump SAVEGAMEVER

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.. and use YQ2ARCH and YQ2OSTYPE instead of just ARCH and OSTYPE
for the defines, so it's consistent with the engine and xatrix+rogue.

$PROCESSOR_ARCHITECTURE seems to contain the architecture of the host,
but we need the architecture the current MinGW shell is targeting.
$MINGW_CHOST seems to be just that, and on my system it's either
i686-w64-mingw32 (mingw32.exe) or x86_64-w64-mingw32 (mingw64.exe)
(No idea what it looks like for Windows on ARM...)

As fixing this would otherwise break existing savegames, I bumped the
SAVEGAMEVER to "YQ2-4" and added a quirk for older savegameversions:
On Windows i386 savegames that contain "AMD64" instead of "i386" as
architecture are also accepted.
(For YQ2-1 this didn't seem necessary, apparently "i386" was hardcoded)
This commit is contained in:
Daniel Gibson 2021-01-14 03:53:47 +01:00
parent 40fb2366d1
commit 7275a593a6
3 changed files with 113 additions and 93 deletions
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4
CMakeLists.txt
View file

@ -19,13 +19,13 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -fno-strict-aliasing -fwrapv")
string(REPLACE "-O3" "-O2" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") string(REPLACE "-O3" "-O2" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
# Operating system # Operating system
add_definitions(-DOSTYPE="${CMAKE_SYSTEM_NAME}") add_definitions(-DYQ2OSTYPE="${CMAKE_SYSTEM_NAME}")
# Architecture string # Architecture string
string(REGEX REPLACE "amd64" "x86_64" ARCH "${CMAKE_SYSTEM_PROCESSOR}") string(REGEX REPLACE "amd64" "x86_64" ARCH "${CMAKE_SYSTEM_PROCESSOR}")
string(REGEX REPLACE "i.86" "i386" ARCH "${ARCH}") string(REGEX REPLACE "i.86" "i386" ARCH "${ARCH}")
string(REGEX REPLACE "^arm.*" "arm" ARCH "${ARCH}") string(REGEX REPLACE "^arm.*" "arm" ARCH "${ARCH}")
add_definitions(-DARCH="${ARCH}") add_definitions(-DYQ2ARCH="${ARCH}")
# Linker Flags # Linker Flags
if(${CMAKE_SYSTEM_NAME} MATCHES "Windows") if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")

46
Makefile
View file

@ -16,28 +16,36 @@
# Detect the OS # Detect the OS
ifdef SystemRoot ifdef SystemRoot
OSTYPE := Windows YQ2_OSTYPE := Windows
else else
OSTYPE := $(shell uname -s) YQ2_OSTYPE := $(shell uname -s)
endif endif
# Special case for MinGW # Special case for MinGW
ifneq (,$(findstring MINGW,$(OSTYPE))) ifneq (,$(findstring MINGW,$(YQ2_OSTYPE)))
OSTYPE := Windows YQ2_OSTYPE := Windows
endif endif
# Detect the architecture # Detect the architecture
ifeq ($(OSTYPE), Windows) ifeq ($(YQ2_OSTYPE), Windows)
ifdef MINGW_CHOST
ifeq ($(MINGW_CHOST), x86_64-w64-mingw32)
YQ2_ARCH ?= x86_64
else # i686-w64-mingw32
YQ2_ARCH ?= i386
endif
else # windows, but MINGW_CHOST not defined
ifdef PROCESSOR_ARCHITEW6432 ifdef PROCESSOR_ARCHITEW6432
# 64 bit Windows # 64 bit Windows
ARCH := $(PROCESSOR_ARCHITEW6432) YQ2_ARCH ?= $(PROCESSOR_ARCHITEW6432)
else else
# 32 bit Windows # 32 bit Windows
ARCH := $(PROCESSOR_ARCHITECTURE) YQ2_ARCH ?= $(PROCESSOR_ARCHITECTURE)
endif endif
endif # windows but MINGW_CHOST not defined
else else
# Normalize some abiguous ARCH strings # Normalize some abiguous YQ2_ARCH strings
ARCH := $(shell uname -m | sed -e 's/i.86/i386/' -e 's/amd64/x86_64/' -e 's/^arm.*/arm/') YQ2_ARCH ?= $(shell uname -m | sed -e 's/i.86/i386/' -e 's/amd64/x86_64/' -e 's/^arm.*/arm/')
endif endif
# Detect the compiler # Detect the compiler
@ -71,7 +79,7 @@ endif
# -fPIC for position independend code. # -fPIC for position independend code.
# #
# -MMD to generate header dependencies. # -MMD to generate header dependencies.
ifeq ($(OSTYPE), Darwin) ifeq ($(YQ2_OSTYPE), Darwin)
CFLAGS := -O2 -fno-strict-aliasing -fomit-frame-pointer \ CFLAGS := -O2 -fno-strict-aliasing -fomit-frame-pointer \
-Wall -pipe -g -fwrapv -arch i386 -arch x86_64 -Wall -pipe -g -fwrapv -arch i386 -arch x86_64
else else
@ -97,13 +105,23 @@ endif
# ---------- # ----------
# Using the default x87 float math on 32bit x86 causes rounding trouble
# -ffloat-store could work around that, but the better solution is to
# just enforce SSE - every x86 CPU since Pentium3 supports that
# and this should even improve the performance on old CPUs
ifeq ($(YQ2_ARCH), i386)
override CFLAGS += -msse -mfpmath=sse
endif
# ----------
# Defines the operating system and architecture # Defines the operating system and architecture
CFLAGS += -DOSTYPE=\"$(OSTYPE)\" -DARCH=\"$(ARCH)\" CFLAGS += -DYQ2OSTYPE=\"$(YQ2_OSTYPE)\" -DYQ2ARCH=\"$(YQ2_ARCH)\"
# ---------- # ----------
# Base LDFLAGS. # Base LDFLAGS.
ifeq ($(OSTYPE), Darwin) ifeq ($(YQ2_OSTYPE), Darwin)
LDFLAGS := -shared -arch i386 -arch x86_64 LDFLAGS := -shared -arch i386 -arch x86_64
else else
LDFLAGS := -shared LDFLAGS := -shared
@ -140,7 +158,7 @@ clean:
# ---------- # ----------
# The zaero game # The zaero game
ifeq ($(OSTYPE), Windows) ifeq ($(YQ2_OSTYPE), Windows)
zaero: zaero:
@echo "===> Building game.dll" @echo "===> Building game.dll"
${Q}mkdir -p release ${Q}mkdir -p release
@ -246,7 +264,7 @@ ZAERO_DEPS= $(ZAERO_OBJS:.o=.d)
# ---------- # ----------
ifeq ($(OSTYPE), Windows) ifeq ($(YQ2_OSTYPE), Windows)
release/game.dll : $(ZAERO_OBJS) release/game.dll : $(ZAERO_OBJS)
@echo "===> LD $@" @echo "===> LD $@"
${Q}$(CC) $(LDFLAGS) -o $@ $(ZAERO_OBJS) ${Q}$(CC) $(LDFLAGS) -o $@ $(ZAERO_OBJS)

154
src/savegame/savegame.c
View file

@ -54,19 +54,19 @@
* in tables/ are changed, otherwise * in tables/ are changed, otherwise
* strange things may happen. * strange things may happen.
*/ */
#define SAVEGAMEVER "YQ2-3" #define SAVEGAMEVER "YQ2-4"
/* /*
* This macros are used to prohibit loading of savegames * This macros are used to prohibit loading of savegames
* created on other systems or architectures. This will * created on other systems or architectures. This will
* crash q2 in spectacular ways * crash q2 in spectacular ways
*/ */
#ifndef OSTYPE #ifndef YQ2OSTYPE
#error OSTYPE should be defined by the build system #error YQ2OSTYPE should be defined by the build system
#endif #endif
#ifndef ARCH #ifndef YQ2ARCH
#error ARCH should be defined by the build system #error YQ2ARCH should be defined by the build system
#endif #endif
/* /*
@ -766,8 +766,8 @@ WriteGame(const char *filename, qboolean autosave)
strncpy(str_ver, SAVEGAMEVER, sizeof(str_ver)); strncpy(str_ver, SAVEGAMEVER, sizeof(str_ver));
strncpy(str_game, GAMEVERSION, sizeof(str_game)); strncpy(str_game, GAMEVERSION, sizeof(str_game));
strncpy(str_os, OSTYPE, sizeof(str_os) - 1); strncpy(str_os, YQ2OSTYPE, sizeof(str_os) - 1);
strncpy(str_arch, ARCH, sizeof(str_arch)); strncpy(str_arch, YQ2ARCH, sizeof(str_arch));
fwrite(str_ver, sizeof(str_ver), 1, f); fwrite(str_ver, sizeof(str_ver), 1, f);
fwrite(str_game, sizeof(str_game), 1, f); fwrite(str_game, sizeof(str_game), 1, f);
@ -817,85 +817,87 @@ ReadGame(const char *filename)
fread(str_os, sizeof(str_os), 1, f); fread(str_os, sizeof(str_os), 1, f);
fread(str_arch, sizeof(str_arch), 1, f); fread(str_arch, sizeof(str_arch), 1, f);
if (!strcmp(str_ver, SAVEGAMEVER)) static const struct {
{ const char* verstr;
save_ver = 3; int vernum;
} version_mappings[] = {
{"YQ2-1", 1},
{"YQ2-2", 2},
{"YQ2-3", 3},
{"YQ2-4", 4},
};
if (strcmp(str_game, GAMEVERSION)) for (i=0; i < sizeof(version_mappings)/sizeof(version_mappings[0]); ++i)
{
if (strcmp(version_mappings[i].verstr, str_ver) == 0)
{ {
fclose(f); save_ver = version_mappings[i].vernum;
gi.error("Savegame from an other game.so.\n"); break;
}
else if (strcmp(str_os, OSTYPE))
{
fclose(f);
gi.error("Savegame from an other os.\n");
}
else if (strcmp(str_arch, ARCH))
{
fclose(f);
gi.error("Savegame from an other architecure.\n");
} }
} }
else if (!strcmp(str_ver, "YQ2-2"))
{
save_ver = 2;
if (strcmp(str_game, GAMEVERSION)) if (save_ver == 0) // not found in mappings table
{
fclose(f);
gi.error("Savegame from an other game.so.\n");
}
else if (strcmp(str_os, OSTYPE))
{
fclose(f);
gi.error("Savegame from an other os.\n");
}
else if (strcmp(str_arch, ARCH))
{
fclose(f);
gi.error("Savegame from an other architecure.\n");
}
}
else if (!strcmp(str_ver, "YQ2-1"))
{
save_ver = 1;
if (strcmp(str_game, GAMEVERSION))
{
fclose(f);
gi.error("Savegame from an other game.so.\n");
}
else if (strcmp(str_os, OSTYPE_1))
{
fclose(f);
gi.error("Savegame from an other os.\n");
}
if (!strcmp(str_os, "Windows"))
{
/* Windows was forced to i386 */
if (strcmp(str_arch, "i386"))
{
fclose(f);
gi.error("Savegame from an other architecure.\n");
}
}
else
{
if (strcmp(str_arch, ARCH_1))
{
fclose(f);
gi.error("Savegame from an other architecure.\n");
}
}
}
else
{ {
fclose(f); fclose(f);
gi.error("Savegame from an incompatible version.\n"); gi.error("Savegame from an incompatible version.\n");
} }
if (save_ver == 1)
{
if (strcmp(str_game, GAMEVERSION) != 0)
{
fclose(f);
gi.error("Savegame from another game.so.\n");
}
else if (strcmp(str_os, OSTYPE_1) != 0)
{
fclose(f);
gi.error("Savegame from another os.\n");
}
#ifdef _WIN32
/* Windows was forced to i386 */
if (strcmp(str_arch, "i386") != 0)
{
fclose(f);
gi.error("Savegame from another architecture.\n");
}
#else
if (strcmp(str_arch, ARCH_1) != 0)
{
fclose(f);
gi.error("Savegame from another architecture.\n");
}
#endif
}
else // all newer savegame versions
{
if (strcmp(str_game, GAMEVERSION) != 0)
{
fclose(f);
gi.error("Savegame from another game.so.\n");
}
else if (strcmp(str_os, YQ2OSTYPE) != 0)
{
fclose(f);
gi.error("Savegame from another os.\n");
}
else if (strcmp(str_arch, YQ2ARCH) != 0)
{
#if defined(_WIN32) && (defined(__i386__) || defined(_M_IX86))
// before savegame version "YQ2-4" (and after version 1),
// the official Win32 binaries accidentally had the YQ2ARCH "AMD64"
// instead of "i386" set due to a bug in the Makefile.
// This quirk allows loading those savegames anyway
if (save_ver >= 4 || strcmp(str_arch, "AMD64") != 0)
#endif
{
fclose(f);
gi.error("Savegame from another architecture.\n");
}
}
}
g_edicts = gi.TagMalloc(game.maxentities * sizeof(g_edicts[0]), TAG_GAME); g_edicts = gi.TagMalloc(game.maxentities * sizeof(g_edicts[0]), TAG_GAME);
globals.edicts = g_edicts; globals.edicts = g_edicts;