-/*!
+/**
* \file
* <!--
- * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
- * This file is part of DevLib - See devlib/README for information.
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2004, 2005 Develer S.r.l. (http://www.develer.com/)
+ *
* -->
*
* \brief OS-specific definitions
* \author Bernardo Innocenti <bernie@develer.com>
*/
-/*#*
- *#* $Log$
- *#* Revision 1.1 2005/04/11 19:04:13 bernie
- *#* Move top-level headers to cfg/ subdir.
- *#*
- *#* Revision 1.1 2004/12/31 17:40:24 bernie
- *#* Add OS detection code.
- *#*
- *#*/
#ifndef DEVLIB_OS_H
#define DEVLIB_OS_H
-
-/*! Macro to include OS-specific versions of the headers. */
+/** Macro to include OS-specific versions of the headers. */
#define OS_HEADER(module) PP_STRINGIZE(PP_CAT3(module, _, OS_ID).h)
+#define OS_CSOURCE(module) PP_STRINGIZE(PP_CAT3(module, _, OS_ID).c)
/*
* OS autodetection (Some systems trigger multiple OS definitions)
#ifdef _WIN32
#define OS_WIN32 1
#define OS_ID win32
+
+ // FIXME: Maybe disable Win32 exceptions?
+ typedef int cpuflags_t;
+ #define IRQ_DISABLE /* FIXME */
+ #define IRQ_ENABLE /* FIXME */
+ #define IRQ_SAVE_DISABLE(old_sigs) /* FIXME */
+ #define IRQ_RESTORE(old_sigs) /* FIXME */
+
#else
#define OS_WIN32 0
#endif
-#ifdef __unix__
+#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#define OS_UNIX 1
#define OS_POSIX 1 /* Not strictly UNIX, but no way to autodetect it. */
- #define OS_ID unix
+ #define OS_ID posix
+
+ /*
+ * The POSIX moral equivalent of disabling IRQs is disabling signals.
+ */
+ #include <signal.h>
+ typedef sigset_t cpuflags_t;
+
+ #define SET_ALL_SIGNALS(sigs) \
+ do { \
+ sigfillset(&sigs); \
+ sigdelset(&sigs, SIGINT); \
+ sigdelset(&sigs, SIGSTOP); \
+ sigdelset(&sigs, SIGCONT); \
+ } while(0)
+
+ #define IRQ_DISABLE \
+ do { \
+ sigset_t sigs; \
+ SET_ALL_SIGNALS(sigs); \
+ sigprocmask(SIG_BLOCK, &sigs, NULL); \
+ } while (0)
+
+ #define IRQ_ENABLE \
+ do { \
+ sigset_t sigs; \
+ SET_ALL_SIGNALS(sigs); \
+ sigprocmask(SIG_UNBLOCK, &sigs, NULL); \
+ } while (0)
+
+ #define IRQ_SAVE_DISABLE(old_sigs) \
+ do { \
+ sigset_t sigs; \
+ SET_ALL_SIGNALS(sigs); \
+ sigprocmask(SIG_BLOCK, &sigs, &old_sigs); \
+ } while (0)
+
+ #define IRQ_RESTORE(old_sigs) \
+ do { \
+ sigprocmask(SIG_SETMASK, &old_sigs, NULL); \
+ } while (0)
+
+ #define IRQ_ENABLED() \
+ ({ \
+ sigset_t sigs; \
+ sigprocmask(SIG_SETMASK, NULL, &sigs); \
+ sigismember(&sigs, SIGALRM) ? true : false; \
+ })
+
#else
#define OS_UNIX 0
#define OS_POSIX 0
#endif
/*
- * Summarize hosted environments as OS_HOSTED.
+ * We want Qt and other frameworks to look like OSes because you would
+ * tipically want their portable abstractions if you're using one of these.
*/
-#if OS_WIN32 || OS_UNIX
- #define OS_HOSTED 1
+#if defined(_QT)
+ #define OS_QT 1
+ #undef OS_ID
+ #define OS_ID qt
#else
- #define OS_HOSTED 0
+ #define OS_QT 0
#endif
/*
- * Summarize embedded environments as OS_EMBEDDED.
+ * Summarize hosted environments as OS_HOSTED and embedded
+ * environment with OS_EMBEDDED.
*/
-#if CPU_AVR || CPU_DSP56K || CPU_I196 || defined(__embedded__)
- #define OS_EMBEDDED 1
+#if OS_WIN32 || OS_UNIX || OS_DARWIN || OS_QT
+ #define OS_HOSTED 1
+ #define OS_EMBEDDED 0
#else
- #define OS_EMBEDDED 0
-#endif
+ #define OS_HOSTED 0
+ #define OS_EMBEDDED 1
+ /* Embedded environments fall back to CPU-specific code. */
+ #define OS_ID CPU_ID
+#endif
/* Self-check for the detection */
-#if CPU_I196 + CPU_X86 + CPU_DSP56K + CPU_AVR == 0
- #error Unknown CPU
-#endif
#if !defined(OS_ID)
#error OS_ID not defined
#endif
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