Added sim68000 BSP for the BSVC simulator. This BSP includes the

alias simcpu32 that supports the CPU32 simulator in BSVC.  At this
point, it is still under development.

3 files changed, 450 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/m68k/sim68000/start/.cvsignore b/c/src/lib/libbsp/m68k/sim68000/start/.cvsignore
new file mode 100644
index 0000000000..282522db03
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/sim68000/start/.cvsignore
@@ -0,0 +1,2 @@
+Makefile
+Makefile.in
diff --git a/c/src/lib/libbsp/m68k/sim68000/start/Makefile.am b/c/src/lib/libbsp/m68k/sim68000/start/Makefile.am
new file mode 100644
index 0000000000..e5a9f26a27
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/sim68000/start/Makefile.am
@@ -0,0 +1,32 @@
+##
+## $Id$
+##
+
+AUTOMAKE_OPTIONS = foreign 1.4
+
+PGM = $(ARCH)/start.o
+
+S_FILES = start.S
+S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.o)
+
+OBJS = $(S_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(top_srcdir)/../../../../../../automake/lib.am
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+$(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o: $(PGM)
+	$(INSTALL_DATA) $< $@
+
+TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o
+
+all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES)
+
+.PRECIOUS: $(PGM)
+
+EXTRA_DIST = start.S
+
+include $(top_srcdir)/../../../../../../automake/local.am
diff --git a/c/src/lib/libbsp/m68k/sim68000/start/start.S b/c/src/lib/libbsp/m68k/sim68000/start/start.S
new file mode 100644
index 0000000000..6f1acdfe00
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/sim68000/start/start.S
@@ -0,0 +1,416 @@
+/*  
+ *  $Id$
+ *
+ *  Re-written the gen68302 start-up code.
+ *  
+ *  Uses gas syntax only, removed the OAR asm.h.
+ *  
+ *  Supplies a complete vector table in ROM.
+ *  
+ *  Manages all vectors with seperate handlers to trap unhandled
+ *  execptions.
+ *  
+ *  Uses the target specific header file to get the runtime 
+ *  configuration
+ *  
+ *  COPYRIGHT (c) 1996
+ *  Objective Design Systems Pty Ltd (ODS)
+ *        
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ */
+
+#define STACK_AT_RESET    0x0
+
+|
+| Boot boot code in a special section, ld postions
+|
+| Initial stack pointer is in the dual ported RAM
+|
+        .sect   .text
+
+        .global _start                  | program entry
+        .global M68Kvec                 | Vector Table
+        
+_start:                                 | standard name for program entry
+M68Kvec:                                | standard location for vectors
+        
+|
+| Make relative, can have the code positioned any where
+|
+
+V___ISSP: .long  STACK_AT_RESET
+V____IPC: .long  start - V___ISSP
+        
+|
+| Create the rest of the vector table to point to the unhandled expection
+| handler
+|
+| Lots of macros, how-ever it creates a simple ROM vector table
+|
+
+#define MAKE_EXCEPTION_VECTOR(n) V___##n: .long (_CPU_ISR_jump_table  + (n * 10))
+
+MAKE_EXCEPTION_VECTOR(2)
+MAKE_EXCEPTION_VECTOR(3)
+MAKE_EXCEPTION_VECTOR(4)
+MAKE_EXCEPTION_VECTOR(5)
+MAKE_EXCEPTION_VECTOR(6)
+MAKE_EXCEPTION_VECTOR(7)
+MAKE_EXCEPTION_VECTOR(8)
+MAKE_EXCEPTION_VECTOR(9)
+        
+MAKE_EXCEPTION_VECTOR(10)
+MAKE_EXCEPTION_VECTOR(11)
+MAKE_EXCEPTION_VECTOR(12)
+MAKE_EXCEPTION_VECTOR(13)
+MAKE_EXCEPTION_VECTOR(14)
+MAKE_EXCEPTION_VECTOR(15)
+MAKE_EXCEPTION_VECTOR(16)
+MAKE_EXCEPTION_VECTOR(17)
+MAKE_EXCEPTION_VECTOR(18)
+MAKE_EXCEPTION_VECTOR(19)
+
+MAKE_EXCEPTION_VECTOR(20)
+MAKE_EXCEPTION_VECTOR(21)
+MAKE_EXCEPTION_VECTOR(22)
+MAKE_EXCEPTION_VECTOR(23)
+MAKE_EXCEPTION_VECTOR(24)
+MAKE_EXCEPTION_VECTOR(25)
+MAKE_EXCEPTION_VECTOR(26)
+MAKE_EXCEPTION_VECTOR(27)
+MAKE_EXCEPTION_VECTOR(28)
+MAKE_EXCEPTION_VECTOR(29)
+        
+MAKE_EXCEPTION_VECTOR(30)
+MAKE_EXCEPTION_VECTOR(31)
+MAKE_EXCEPTION_VECTOR(32)
+MAKE_EXCEPTION_VECTOR(33)
+MAKE_EXCEPTION_VECTOR(34)
+MAKE_EXCEPTION_VECTOR(35)
+MAKE_EXCEPTION_VECTOR(36)
+MAKE_EXCEPTION_VECTOR(37)
+MAKE_EXCEPTION_VECTOR(38)
+MAKE_EXCEPTION_VECTOR(39)
+        
+MAKE_EXCEPTION_VECTOR(40)
+MAKE_EXCEPTION_VECTOR(41)
+MAKE_EXCEPTION_VECTOR(42)
+MAKE_EXCEPTION_VECTOR(43)
+MAKE_EXCEPTION_VECTOR(44)
+MAKE_EXCEPTION_VECTOR(45)
+MAKE_EXCEPTION_VECTOR(46)
+MAKE_EXCEPTION_VECTOR(47)
+MAKE_EXCEPTION_VECTOR(48)
+MAKE_EXCEPTION_VECTOR(49)
+        
+MAKE_EXCEPTION_VECTOR(50)
+MAKE_EXCEPTION_VECTOR(51)
+MAKE_EXCEPTION_VECTOR(52)
+MAKE_EXCEPTION_VECTOR(53)
+MAKE_EXCEPTION_VECTOR(54)
+MAKE_EXCEPTION_VECTOR(55)
+MAKE_EXCEPTION_VECTOR(56)
+MAKE_EXCEPTION_VECTOR(57)
+MAKE_EXCEPTION_VECTOR(58)
+MAKE_EXCEPTION_VECTOR(59)
+        
+MAKE_EXCEPTION_VECTOR(60)
+MAKE_EXCEPTION_VECTOR(61)
+MAKE_EXCEPTION_VECTOR(62)
+MAKE_EXCEPTION_VECTOR(63)
+MAKE_EXCEPTION_VECTOR(64)
+MAKE_EXCEPTION_VECTOR(65)
+MAKE_EXCEPTION_VECTOR(66)
+MAKE_EXCEPTION_VECTOR(67)
+MAKE_EXCEPTION_VECTOR(68)
+MAKE_EXCEPTION_VECTOR(69)
+        
+MAKE_EXCEPTION_VECTOR(70)
+MAKE_EXCEPTION_VECTOR(71)
+MAKE_EXCEPTION_VECTOR(72)
+MAKE_EXCEPTION_VECTOR(73)
+MAKE_EXCEPTION_VECTOR(74)
+MAKE_EXCEPTION_VECTOR(75)
+MAKE_EXCEPTION_VECTOR(76)
+MAKE_EXCEPTION_VECTOR(77)
+MAKE_EXCEPTION_VECTOR(78)
+MAKE_EXCEPTION_VECTOR(79)
+        
+MAKE_EXCEPTION_VECTOR(80)
+MAKE_EXCEPTION_VECTOR(81)
+MAKE_EXCEPTION_VECTOR(82)
+MAKE_EXCEPTION_VECTOR(83)
+MAKE_EXCEPTION_VECTOR(84)
+MAKE_EXCEPTION_VECTOR(85)
+MAKE_EXCEPTION_VECTOR(86)
+MAKE_EXCEPTION_VECTOR(87)
+MAKE_EXCEPTION_VECTOR(88)
+MAKE_EXCEPTION_VECTOR(89)
+        
+MAKE_EXCEPTION_VECTOR(90)
+MAKE_EXCEPTION_VECTOR(91)
+MAKE_EXCEPTION_VECTOR(92)
+MAKE_EXCEPTION_VECTOR(93)
+MAKE_EXCEPTION_VECTOR(94)
+MAKE_EXCEPTION_VECTOR(95)
+MAKE_EXCEPTION_VECTOR(96)
+MAKE_EXCEPTION_VECTOR(97)
+MAKE_EXCEPTION_VECTOR(98)
+MAKE_EXCEPTION_VECTOR(99)
+        
+MAKE_EXCEPTION_VECTOR(100)
+MAKE_EXCEPTION_VECTOR(101)
+MAKE_EXCEPTION_VECTOR(102)
+MAKE_EXCEPTION_VECTOR(103)
+MAKE_EXCEPTION_VECTOR(104)
+MAKE_EXCEPTION_VECTOR(105)
+MAKE_EXCEPTION_VECTOR(106)
+MAKE_EXCEPTION_VECTOR(107)
+MAKE_EXCEPTION_VECTOR(108)
+MAKE_EXCEPTION_VECTOR(109)
+        
+MAKE_EXCEPTION_VECTOR(110)
+MAKE_EXCEPTION_VECTOR(111)
+MAKE_EXCEPTION_VECTOR(112)
+MAKE_EXCEPTION_VECTOR(113)
+MAKE_EXCEPTION_VECTOR(114)
+MAKE_EXCEPTION_VECTOR(115)
+MAKE_EXCEPTION_VECTOR(116)
+MAKE_EXCEPTION_VECTOR(117)
+MAKE_EXCEPTION_VECTOR(118)
+MAKE_EXCEPTION_VECTOR(119)
+
+MAKE_EXCEPTION_VECTOR(120)
+MAKE_EXCEPTION_VECTOR(121)
+MAKE_EXCEPTION_VECTOR(122)
+MAKE_EXCEPTION_VECTOR(123)
+MAKE_EXCEPTION_VECTOR(124)
+MAKE_EXCEPTION_VECTOR(125)
+MAKE_EXCEPTION_VECTOR(126)
+MAKE_EXCEPTION_VECTOR(127)
+MAKE_EXCEPTION_VECTOR(128)
+MAKE_EXCEPTION_VECTOR(129)
+        
+MAKE_EXCEPTION_VECTOR(130)
+MAKE_EXCEPTION_VECTOR(131)
+MAKE_EXCEPTION_VECTOR(132)
+MAKE_EXCEPTION_VECTOR(133)
+MAKE_EXCEPTION_VECTOR(134)
+MAKE_EXCEPTION_VECTOR(135)
+MAKE_EXCEPTION_VECTOR(136)
+MAKE_EXCEPTION_VECTOR(137)
+MAKE_EXCEPTION_VECTOR(138)
+MAKE_EXCEPTION_VECTOR(139)
+                       
+MAKE_EXCEPTION_VECTOR(140)
+MAKE_EXCEPTION_VECTOR(141)
+MAKE_EXCEPTION_VECTOR(142)
+MAKE_EXCEPTION_VECTOR(143)
+MAKE_EXCEPTION_VECTOR(144)
+MAKE_EXCEPTION_VECTOR(145)
+MAKE_EXCEPTION_VECTOR(146)
+MAKE_EXCEPTION_VECTOR(147)
+MAKE_EXCEPTION_VECTOR(148)
+MAKE_EXCEPTION_VECTOR(149)
+        
+MAKE_EXCEPTION_VECTOR(150)
+MAKE_EXCEPTION_VECTOR(151)
+MAKE_EXCEPTION_VECTOR(152)
+MAKE_EXCEPTION_VECTOR(153)
+MAKE_EXCEPTION_VECTOR(154)
+MAKE_EXCEPTION_VECTOR(155)
+MAKE_EXCEPTION_VECTOR(156)
+MAKE_EXCEPTION_VECTOR(157)
+MAKE_EXCEPTION_VECTOR(158)
+MAKE_EXCEPTION_VECTOR(159)
+                       
+MAKE_EXCEPTION_VECTOR(160)
+MAKE_EXCEPTION_VECTOR(161)
+MAKE_EXCEPTION_VECTOR(162)
+MAKE_EXCEPTION_VECTOR(163)
+MAKE_EXCEPTION_VECTOR(164)
+MAKE_EXCEPTION_VECTOR(165)
+MAKE_EXCEPTION_VECTOR(166)
+MAKE_EXCEPTION_VECTOR(167)
+MAKE_EXCEPTION_VECTOR(168)
+MAKE_EXCEPTION_VECTOR(169)
+        
+MAKE_EXCEPTION_VECTOR(170)
+MAKE_EXCEPTION_VECTOR(171)
+MAKE_EXCEPTION_VECTOR(172)
+MAKE_EXCEPTION_VECTOR(173)
+MAKE_EXCEPTION_VECTOR(174)
+MAKE_EXCEPTION_VECTOR(175)
+MAKE_EXCEPTION_VECTOR(176)
+MAKE_EXCEPTION_VECTOR(177)
+MAKE_EXCEPTION_VECTOR(178)
+MAKE_EXCEPTION_VECTOR(179)
+                       
+MAKE_EXCEPTION_VECTOR(180)
+MAKE_EXCEPTION_VECTOR(181)
+MAKE_EXCEPTION_VECTOR(182)
+MAKE_EXCEPTION_VECTOR(183)
+MAKE_EXCEPTION_VECTOR(184)
+MAKE_EXCEPTION_VECTOR(185)
+MAKE_EXCEPTION_VECTOR(186)
+MAKE_EXCEPTION_VECTOR(187)
+MAKE_EXCEPTION_VECTOR(188)
+MAKE_EXCEPTION_VECTOR(189)
+        
+MAKE_EXCEPTION_VECTOR(190)
+MAKE_EXCEPTION_VECTOR(191)
+MAKE_EXCEPTION_VECTOR(192)
+MAKE_EXCEPTION_VECTOR(193)
+MAKE_EXCEPTION_VECTOR(194)
+MAKE_EXCEPTION_VECTOR(195)
+MAKE_EXCEPTION_VECTOR(196)
+MAKE_EXCEPTION_VECTOR(197)
+MAKE_EXCEPTION_VECTOR(198)
+MAKE_EXCEPTION_VECTOR(199)
+        
+MAKE_EXCEPTION_VECTOR(200)
+MAKE_EXCEPTION_VECTOR(201)
+MAKE_EXCEPTION_VECTOR(202)
+MAKE_EXCEPTION_VECTOR(203)
+MAKE_EXCEPTION_VECTOR(204)
+MAKE_EXCEPTION_VECTOR(205)
+MAKE_EXCEPTION_VECTOR(206)
+MAKE_EXCEPTION_VECTOR(207)
+MAKE_EXCEPTION_VECTOR(208)
+MAKE_EXCEPTION_VECTOR(209)
+                      
+MAKE_EXCEPTION_VECTOR(210)
+MAKE_EXCEPTION_VECTOR(211)
+MAKE_EXCEPTION_VECTOR(212)
+MAKE_EXCEPTION_VECTOR(213)
+MAKE_EXCEPTION_VECTOR(214)
+MAKE_EXCEPTION_VECTOR(215)
+MAKE_EXCEPTION_VECTOR(216)
+MAKE_EXCEPTION_VECTOR(217)
+MAKE_EXCEPTION_VECTOR(218)
+MAKE_EXCEPTION_VECTOR(219)
+                      
+MAKE_EXCEPTION_VECTOR(220)
+MAKE_EXCEPTION_VECTOR(221)
+MAKE_EXCEPTION_VECTOR(222)
+MAKE_EXCEPTION_VECTOR(223)
+MAKE_EXCEPTION_VECTOR(224)
+MAKE_EXCEPTION_VECTOR(225)
+MAKE_EXCEPTION_VECTOR(226)
+MAKE_EXCEPTION_VECTOR(227)
+MAKE_EXCEPTION_VECTOR(228)
+MAKE_EXCEPTION_VECTOR(229)
+                      
+MAKE_EXCEPTION_VECTOR(230)
+MAKE_EXCEPTION_VECTOR(231)
+MAKE_EXCEPTION_VECTOR(232)
+MAKE_EXCEPTION_VECTOR(233)
+MAKE_EXCEPTION_VECTOR(234)
+MAKE_EXCEPTION_VECTOR(235)
+MAKE_EXCEPTION_VECTOR(236)
+MAKE_EXCEPTION_VECTOR(237)
+MAKE_EXCEPTION_VECTOR(238)
+MAKE_EXCEPTION_VECTOR(239)
+                      
+MAKE_EXCEPTION_VECTOR(240)
+MAKE_EXCEPTION_VECTOR(241)
+MAKE_EXCEPTION_VECTOR(242)
+MAKE_EXCEPTION_VECTOR(243)
+MAKE_EXCEPTION_VECTOR(244)
+MAKE_EXCEPTION_VECTOR(245)
+MAKE_EXCEPTION_VECTOR(246)
+MAKE_EXCEPTION_VECTOR(247)
+MAKE_EXCEPTION_VECTOR(248)
+MAKE_EXCEPTION_VECTOR(249)
+                      
+MAKE_EXCEPTION_VECTOR(250)
+MAKE_EXCEPTION_VECTOR(251)
+MAKE_EXCEPTION_VECTOR(252)
+MAKE_EXCEPTION_VECTOR(253)
+MAKE_EXCEPTION_VECTOR(254)
+MAKE_EXCEPTION_VECTOR(255)                                
+
+|
+| Start
+|
+| Entered from a hardware reset.
+|
+        
+        .global start                           | Default entry point for GNU
+start:
+
+        |
+        | Copy initialized data area from ROM to RAM
+        |
+
+copy_data:
+        moveal  #_etext,%a0                     | find the end of .text
+        moveal  #_copy_start,%a1                | find the beginning of .data
+        moveal  #_edata,%a2                     | find the end of .data
+        
+copy_data_loop:
+        
+        movel   %a0@+,%a1@+                     | copy the data
+        cmpal   %a2,%a1
+        jlt     copy_data_loop                  | loop until edata reached
+                                
+        |
+        | zero out uninitialized data area
+        |
+
+zerobss:
+        moveal  #_clear_end,%a0                 | find end of .bss
+        moveal  #_clear_start,%a1               | find beginning of .bss
+        moveq   #0,%d0
+        
+zerobss_loop:
+        
+        movel   %d0,%a1@+                       | to zero out uninitialized
+        cmpal   %a0,%a1
+        jlt     zerobss_loop                    | loop until _end reached
+
+        movel   #_stack_init,%d0                | load stack top
+
+        movw    #0x3700,%sr                     | SUPV MODE,INTERRUPTS OFF!!!
+        movel   %d0,%a7                         | set master stack pointer
+        movel   %d0,%a6                         | set base pointer
+
+	pea	env				| push environp
+	pea	arg				| push argv
+	movel	#0,%a7@-			| push argc
+        jsr     boot_card
+	| if this returns, what do we do???
+
+	.global bsp_exitted
+bsp_exitted:
+	jmp 	bsp_exitted
+
+
+|                
+| Initialised data
+|
+
+        .sect   .data
+        
+|
+| Uninitialised data
+|
+
+        .sect   .bss
+        
+env: .long  0
+arg: .long  0
+
+        .global environ
+        .align  2
+        
+environ:
+        .long   env
+