You've already forked godot
mirror of
https://github.com/godotengine/godot.git
synced 2025-11-04 12:00:25 +00:00
133 lines
5.1 KiB
C++
133 lines
5.1 KiB
C++
/**************************************************************************/
|
|
/* godot_linuxbsd.cpp */
|
|
/**************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/**************************************************************************/
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/**************************************************************************/
|
|
|
|
#include "os_linuxbsd.h"
|
|
|
|
#include "main/main.h"
|
|
|
|
#include <unistd.h>
|
|
#include <climits>
|
|
#include <clocale>
|
|
#include <cstdlib>
|
|
|
|
#if defined(SANITIZERS_ENABLED)
|
|
#include <sys/resource.h>
|
|
#endif
|
|
|
|
#if defined(__x86_64) || defined(__x86_64__)
|
|
void __cpuid(int *r_cpuinfo, int p_info) {
|
|
// Note: Some compilers have a buggy `__cpuid` intrinsic, using inline assembly (based on LLVM-20 implementation) instead.
|
|
__asm__ __volatile__(
|
|
"xchgq %%rbx, %q1;"
|
|
"cpuid;"
|
|
"xchgq %%rbx, %q1;"
|
|
: "=a"(r_cpuinfo[0]), "=r"(r_cpuinfo[1]), "=c"(r_cpuinfo[2]), "=d"(r_cpuinfo[3])
|
|
: "0"(p_info));
|
|
}
|
|
#endif
|
|
|
|
// For export templates, add a section; the exporter will patch it to enclose
|
|
// the data appended to the executable (bundled PCK).
|
|
#if !defined(TOOLS_ENABLED) && defined(__GNUC__)
|
|
static const char dummy[8] __attribute__((section("pck"), used)) = { 0 };
|
|
|
|
// Dummy function to prevent LTO from discarding "pck" section.
|
|
extern "C" const char *pck_section_dummy_call() __attribute__((used));
|
|
extern "C" const char *pck_section_dummy_call() {
|
|
return &dummy[0];
|
|
}
|
|
#endif
|
|
|
|
int main(int argc, char *argv[]) {
|
|
#if defined(__x86_64) || defined(__x86_64__)
|
|
int cpuinfo[4];
|
|
__cpuid(cpuinfo, 0x01);
|
|
|
|
if (!(cpuinfo[2] & (1 << 20))) {
|
|
printf("A CPU with SSE4.2 instruction set support is required.\n");
|
|
|
|
int ret = system("zenity --warning --title \"Godot Engine\" --text \"A CPU with SSE4.2 instruction set support is required.\" 2> /dev/null");
|
|
if (ret != 0) {
|
|
ret = system("kdialog --title \"Godot Engine\" --sorry \"A CPU with SSE4.2 instruction set support is required.\" 2> /dev/null");
|
|
}
|
|
if (ret != 0) {
|
|
ret = system("Xdialog --title \"Godot Engine\" --msgbox \"A CPU with SSE4.2 instruction set support is required.\" 0 0 2> /dev/null");
|
|
}
|
|
if (ret != 0) {
|
|
ret = system("xmessage -center -title \"Godot Engine\" \"A CPU with SSE4.2 instruction set support is required.\" 2> /dev/null");
|
|
}
|
|
abort();
|
|
}
|
|
#endif
|
|
|
|
#if defined(SANITIZERS_ENABLED)
|
|
// Note: Set stack size to be at least 30 MB (vs 8 MB default) to avoid overflow, address sanitizer can increase stack usage up to 3 times.
|
|
struct rlimit stack_lim = { 0x1E00000, 0x1E00000 };
|
|
setrlimit(RLIMIT_STACK, &stack_lim);
|
|
#endif
|
|
|
|
OS_LinuxBSD os;
|
|
|
|
setlocale(LC_CTYPE, "");
|
|
|
|
// We must override main when testing is enabled
|
|
TEST_MAIN_OVERRIDE
|
|
|
|
char *cwd = (char *)malloc(PATH_MAX);
|
|
ERR_FAIL_NULL_V(cwd, ERR_OUT_OF_MEMORY);
|
|
char *ret = getcwd(cwd, PATH_MAX);
|
|
|
|
Error err = Main::setup(argv[0], argc - 1, &argv[1]);
|
|
|
|
if (err != OK) {
|
|
free(cwd);
|
|
if (err == ERR_HELP) { // Returned by --help and --version, so success.
|
|
return EXIT_SUCCESS;
|
|
}
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (Main::start() == EXIT_SUCCESS) {
|
|
os.run();
|
|
} else {
|
|
os.set_exit_code(EXIT_FAILURE);
|
|
}
|
|
Main::cleanup();
|
|
|
|
if (ret) { // Previous getcwd was successful
|
|
if (chdir(cwd) != 0) {
|
|
ERR_PRINT("Couldn't return to previous working directory.");
|
|
}
|
|
}
|
|
free(cwd);
|
|
|
|
return os.get_exit_code();
|
|
}
|