Merged very large and much appreciated patch from Chris Johns

<cjohns@plessey.com.au>.  This patch includes the ods68302 bsp,
the RTEMS++ class library, and the rtems++ test.

c/Makefile.in

@@ -31,11 +31,16 @@ SUB_DIRS=build-tools src
 LIBKA9Q_yes_V = include/ka9q
 LIBKA9Q = $(LIBKA9Q_$(HAS_KA9Q)_V)
 
+# We only make the rtems++ install point if it is enabled.
+LIBRTEMSCPLUSPLUS_yes_V = include/rtems++
+LIBRTEMSCPLUSPLUS = $(LIBRTEMSCPLUSPLUS_$(HAS_CPLUSPLUS)_V)
+
 # directories to be created in install point
 CREATE_DIRS = 	include include/sys \
     include/rtems include/rtems/score include/rtems/rtems include/rtems/posix \
                 include/netinet include/libc include/libc/sys \
                 $(LIBKA9Q) \
+                $(LIBRTEMSCPLUSPLUS) \
 		lib bin samples \
                 tests tests/screens tests/screens/sptests \
                 tests/screens/psxtests tests/screens/mptests \
@@ -93,4 +98,3 @@ tests:
 	cd src/tests; $(MAKE) all
 
 env:    $(SRCS) dirs
-

c/src/exec/score/cpu/m68k/m68302.h

@@ -68,8 +68,8 @@
 #define RBIT_SCR_SAM		0x00001000
 #define RBIT_SCR_HWDEN		0x00000800
 #define RBIT_SCR_HWDCN2		0x00000400
-#define RBIT_SCR_HWDCN1		0x00000200
-#define RBIT_SCR_HWDCN0		0x00000100
+#define RBIT_SCR_HWDCN1		0x00000200  /* 512 clocks */
+#define RBIT_SCR_HWDCN0		0x00000100  /* 128 clocks */
 
 #define RBIT_SCR_LPREC		0x00000080
 #define RBIT_SCR_LPP16		0x00000040
@@ -539,6 +539,7 @@ typedef struct {
     /* offset +82c */
     rtems_unsigned16	res6;
     rtems_unsigned16	res7;
+
     rtems_unsigned16	br0;		/* Base Register   (CS0) */
     rtems_unsigned16	or0;		/* Option Register (CS0) */
     rtems_unsigned16	br1;		/* Base Register   (CS1) */
@@ -597,6 +598,58 @@ typedef struct {
     m302_internalReg_t	reg;		/* +800 68302 Internal Registers */
 } m302_dualPortRAM_t;
 
+/* some useful defines the some of the registers above */
+  
+
+/* ----
+   MC68302 Chip Select Registers
+      p3-46 2nd Edition
+
+ */
+#define BR_ENABLED     1
+#define BR_DISABLED    0
+#define BR_FC_NULL     0
+#define BR_READ_ONLY   0
+#define BR_READ_WRITE  2
+#define OR_DTACK_0     0x0000
+#define OR_DTACK_1     0x2000
+#define OR_DTACK_2     0x4000
+#define OR_DTACK_3     0x6000
+#define OR_DTACK_4     0x8000
+#define OR_DTACK_5     0xA000
+#define OR_DTACK_6     0xC000
+#define OR_DTACK_EXT   0xE000
+#define OR_SIZE_64K    0x1FE0
+#define OR_SIZE_128K   0x1FC0
+#define OR_SIZE_256K   0x1F80
+#define OR_SIZE_512K   0x1F00
+#define OR_SIZE_1M     0x1E00
+#define OR_SIZE_2M     0x1C00
+#define OR_MASK_RW     0x0000
+#define OR_NO_MASK_RW  0x0002
+#define OR_MASK_FC     0x0000
+#define OR_NO_MASK_FC  0x0001
+
+#define MAKE_BR(base_address, enable, rw, fc) \
+    ((base_address >> 11) | fc | rw | enable)
+
+#define MAKE_OR(bsize, DtAck, RW_Mask, FC_Mask) \
+    (DtAck | ((~(bsize - 1) & 0x00FFFFFF) >> 11) | FC_Mask | RW_Mask)
+
+#define __REG_CAT(r, n) r ## n
+#define WRITE_BR(csel, base_address, enable, rw, fc) \
+          __REG_CAT(m302.reg.br, csel) = MAKE_BR(base_address, enable, rw, fc)
+#define WRITE_OR(csel, bsize, DtAck, RW_Mask, FC_Mask) \
+          __REG_CAT(m302.reg.or, csel) = MAKE_OR(bsize, DtAck, RW_Mask, FC_Mask)
+
+/* ----
+   MC68302 Watchdog Timer Enable Bit
+
+ */
+#define WATCHDOG_ENABLE    (1)
+#define WATCHDOG_TRIGGER() (m302.reg.wrr = 0x10 | WATCHDOG_ENABLE, m302.reg.wcn = 0)
+#define WATCHDOG_TOGGLE()  (m302.reg.wcn = WATCHDOG_TIMEOUT_PERIOD)
+#define DISABLE_WATCHDOG() (m302.reg.wrr = 0)
 
 /*
  * Declare the variable that's used to reference the variables in

c/src/lib/Makefile.in

@@ -10,8 +10,12 @@ VPATH=@srcdir@
 include $(RTEMS_CUSTOM)
 include $(PROJECT_ROOT)/make/directory.cfg
 
+# We only build the rtems++ library if HAS_CPLUSPLUS was defined
+LIBRTEMSCPLUSPLUS_yes_V = librtems++
+LIBRTEMSCPLUSPLUS = $(LIBRTEMSCPLUSPLUS_$(HAS_CPLUSPLUS)_V)
+
 # General Hardware API library 
 LIBHWAPI=$(wildcard libhwapi)
 
 SUB_DIRS=start include libmisc libc libcpu libbsp \
-         $(LIBHWAPI) wrapup
+         $(LIBKA9Q) $(LIBHWAPI) $(LIBRTEMSCPLUSPLUS) wrapup

c/src/lib/include/Makefile.in

@@ -18,6 +18,10 @@ KA9Q_H_PIECES= arp asy ax25 ax25mail bootp cmdparse commands config \
   sockaddr socket tcp telnet tftp timer tipmail trace udp usock
 KA9Q_H_FILES=$(KA9Q_H_PIECES:%=$(srcdir)/ka9q/%.h)
 
+RTEMSCPLUSPLUS_H_PIECES= rtemsEvent rtemsInterrupt rtemsMessageQueue \
+  rtemsSemaphore rtemsStatusCode rtemsTask rtemsTaskMode rtemsTimer
+RTEMSCPLUSPLUS_H_FILES=$(RTEMSCPLUSPLUS_H_PIECES:%=$(srcdir)/rtems++/%.h)
+
 SYS_H_FILES=
 
 SRCS=$(H_FILES) $(SYS_H_FILES)
@@ -34,3 +38,6 @@ all:	$(SRCS)
 ifeq ($(HAS_KA9Q),yes)
 	$(INSTALL) -m 444 $(KA9Q_H_FILES) ${PROJECT_RELEASE}/include/ka9q
 endif
+ifeq ($(HAS_CPLUSPLUS),yes)
+	$(INSTALL) -m 444 $(RTEMSCPLUSPLUS_H_FILES) ${PROJECT_RELEASE}/include/rtems++
+endif

c/src/tests/libtests/Makefile.in

@@ -10,4 +10,8 @@ VPATH=@srcdir@
 include $(RTEMS_CUSTOM)
 include $(PROJECT_ROOT)/make/directory.cfg
 
-SUB_DIRS=cpuuse rtmonuse malloctest stackchk
+# We only build the tests for the rtems++ library if HAS_CPLUSPLUS was defined
+LIBRTEMSCPLUSPLUS_yes_V = rtems++
+LIBRTEMSCPLUSPLUS = $(LIBRTEMSCPLUSPLUS_$(HAS_CPLUSPLUS)_V)
+
+SUB_DIRS=cpuuse rtmonuse malloctest stackchk $(LIBRTEMSCPLUSPLUS)

c/src/tests/samples/cdtest/Makefile.in

@@ -41,7 +41,7 @@ include $(PROJECT_ROOT)/make/leaf.cfg
 #
 
 DEFINES  +=
-CPPFLAGS +=
+CPPFLAGS += -I$(LIBCC_INCLUDE)
 CFLAGS   +=
 
 LD_PATHS  +=

c/src/tests/samples/cdtest/main.cc

@@ -21,7 +21,9 @@
 
 #include <rtems.h>
 #include <stdio.h>
+#ifdef RTEMS_TEST_IO_STREAM
 #include <iostream.h>
+#endif
 
 extern "C" {
 extern rtems_task main_task(rtems_task_argument);
@@ -108,7 +110,11 @@ cdtest(void)
     A bar, blech, blah;
     B bleak;
 
+#ifdef RTEMS_TEST_IO_STREAM
     cout << "Testing a C++ I/O stream" << endl;
+#else
+    printf("IO Stream not tested\n");
+#endif
 
     bar = blech;
 }