BSP for Vista Score603e added.

2 files changed, 211 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/powerpc/score603e/start/Makefile.in b/c/src/lib/libbsp/powerpc/score603e/start/Makefile.in
new file mode 100644
index 0000000000..972a64f5de
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/score603e/start/Makefile.in
@@ -0,0 +1,56 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+VPATH = @srcdir@
+RTEMS_ROOT = @top_srcdir@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+INSTALL = @INSTALL@
+
+PGMS=${ARCH}/start.o
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+# Assembly source names, if any, go here -- minus the .S
+S_PIECES=start 
+S_FILES=$(S_PIECES:%=%.S)
+S_O_FILES=$(S_FILES:%.S=${ARCH}/%.o)
+
+SRCS=$(C_FILES) $(CC_FILES) $(H_FILES) $(S_FILES)
+OBJS=$(C_O_FILES) $(CC_O_FILES) $(S_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
+include $(RTEMS_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS +=
+CFLAGS   +=
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+all:	${ARCH} $(SRCS) $(OBJS) $(PGM)
+	$(INSTALL_VARIANT) -m 555 ${PGMS} ${PROJECT_RELEASE}/lib
diff --git a/c/src/lib/libbsp/powerpc/score603e/start/start.S b/c/src/lib/libbsp/powerpc/score603e/start/start.S
new file mode 100644
index 0000000000..9f4befee7d
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/score603e/start/start.S
@@ -0,0 +1,155 @@
+/*
+ * This is based on the mvme-crt0.S file from libgloss/rs6000.
+ * crt0.S -- startup file for PowerPC systems.
+ *
+ * Copyright (c) 1995 Cygnus Support
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ *
+ *  $Id$
+ */
+#include <rtems/score/targopts.h>
+#include "ppc-asm.h"
+
+	.file	"start.s"
+	.section ".got2","aw"
+	.align	2
+
+.LCTOC1 = .+32768
+
+	.extern	FUNC_NAME(atexit)
+	.globl	FUNC_NAME(__atexit)
+	.section ".sdata","aw"
+	.align	2
+FUNC_NAME(__atexit):			/* tell C's eabi-ctor's we have an atexit function */
+	.long	FUNC_NAME(atexit)@fixup	/* and that it is to register __do_global_dtors */
+
+	.section ".fixup","aw"
+	.align	2
+	.long	FUNC_NAME(__atexit)
+
+	.section ".got2","aw"
+.Ltable = .-.LCTOC1
+	.long	.LCTOC1			/* address we think .LCTOC1 is loaded at */
+
+.Lbss_start = .-.LCTOC1
+	.long	_edata                 /* includes sbss and bss */
+
+.Lend = .-.LCTOC1
+	.long	_end
+
+.Lstack = .-.LCTOC1			/* stack address if set by user */
+	.long	__stack
+
+	.text
+.Lptr:
+	.long .LCTOC1-.Laddr
+
+	.globl	_start
+	.type	_start,@function
+_start:
+	b	past_constants
+					/* Set MSR */
+	.long	_etext                  /* end of code space */
+	.long	_edata                  /* end of code and data space */
+
+past_constants:
+	lis     r5,0
+	mr      r4,r5
+	ori     r4,r4,0x0000            /* 0x2030  */
+        mtmsr   r4
+	
+#if (SCORE603E_GENERATION == 1)
+	lis     r4,0
+	mtspr   530,r4                  /* Set IBAT1U */
+	mtspr   531,r4                  /* Set IBAT1L */
+	mtspr   534,r4                  /* Set IBAT3U */
+	mtspr   535,r4                  /* Set IBAT3L */
+	mtspr   538,r4                  /* Set DBAT1U */
+	mtspr   539,r4                  /* Set DBAT1L */
+	lis     r4,0
+	ori     r4,r4,0x1fff
+	mtspr   528,r4                  /* Set IBAT0U */
+	mtspr   536,r4                  /* Set DBAT0U */
+	lis     r4,0
+	ori     r4,r4,0x0002	
+	mtspr   529,r4                  /* Set IBAT0L */
+	mtspr   537,r4                  /* Set DBAT0L */
+	lis     r4,-4096                /*  0xf000    */
+	ori     r4,r4,8191              /*  0x1fff    */
+	mtspr   532,r4                  /* Set IBAT2U */
+	mtspr   540,r4                  /* Set DBAT2U */
+	lis     r4,-4096                /*  0xf000    */
+	ori     r4,r4,1	
+	mtspr   533,r4                  /* Set IBAT2L */
+	mtspr   541,r4                  /* Set DBAT2L */
+	lis     r4,-32768               /*  0x8000    */
+	ori     r4,r4,8191              /*  0x1fff    */
+	mtspr   542,r4                  /* Set DBAT3U */
+	lis     r4,-32768               /*  0x8000    */
+	ori     r4,r4,0x003a
+	mtspr   543,r4                  /* Set DBAT3L */
+
+#elif (SCORE603E_GENERATION == 2)
+/* XXX FILL THIS IN WHEN I GET HELLO TO COME UP. */
+	
+#else
+#error "Unknown Generation of  Score603e"
+#endif
+
+	bl	.Laddr			/* get current address */
+.Laddr:
+	mflr	r4			/* real address of .Laddr */
+	lwz	r5,(.Lptr-.Laddr)(r4)	/* linker generated address of .LCTOC1 */
+	add	r5,r5,r4		/* correct to real pointer */
+	lwz	r4,.Ltable(r5)		/* get linker's idea of where .Laddr is */
+	subf	r4,r4,r5		/* calculate difference between where linked and current */
+
+	/* clear bss */
+	lwz	r6,.Lbss_start(r5)	/* calculate beginning of the BSS */
+	lwz	r7,.Lend(r5)		/* calculate end of the BSS */
+	add	r6,r6,r4		/* adjust pointers */
+	add	r7,r7,r4
+
+	cmplw	1,r6,r7
+	bc	4,4,.Ldone
+
+	subf	r8,r6,r7		/* number of bytes to zero */
+	srwi	r9,r8,2			/* number of words to zero */
+	mtctr	r9
+	li	r0,0			/* zero to clear memory */
+	addi	r6,r6,-4		/* adjust so we can use stwu */
+.Lloop:
+	stwu	r0,4(r6)		/* zero bss */
+	bdnz	.Lloop
+
+.Ldone:
+
+	lwz	r0,.Lstack(r5)		/* stack address or 0 */
+	cmplwi	1,r0,0			/* equal to 0? */
+	bc	12,6,.Lnostack		/* use default stack if == 0 */
+	mr	sp,r0			/* use user defined stack */
+
+.Lnostack:
+	/* set up initial stack frame */
+	addi	sp,sp,-4		/* make sure we don't overwrite debug mem */
+	lis	r0,0
+	stw	r0,0(sp)		/* clear back chain */
+	stwu	sp,-56(sp)		/* push another stack frame */
+
+	/* Let her rip */
+	bl	FUNC_NAME(boot_card)
+
+	/* return value from boot_card is argument to exit */
+	bl	FUNC_NAME(exit)
+	trap
+.Lstart:
+	.size	_start,.Lstart-_start