X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=cfg%2Fos.h;h=e1535dd49410bc04f7d21ef7f6c60889219eff20;hb=1ab5fa0763879ab997884c8bc88631b69205a191;hp=7d9b60529ccd58335ff1d93909f3391d2c4d23b8;hpb=6bf26ad78b32851d9dd56fbf68356bcbdded590e;p=bertos.git

diff --git a/cfg/os.h b/cfg/os.h
old mode 100755
new mode 100644
index 7d9b6052..e1535dd4
--- a/cfg/os.h
+++ b/cfg/os.h
@@ -1,8 +1,33 @@
-/*!
+/**
  * \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
@@ -12,21 +37,12 @@
  * \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)
@@ -34,14 +50,70 @@
 #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
@@ -60,28 +132,33 @@
 #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