2000-11-25 Joel Sherrill <joel@OARcorp.com>

	* The JMR BSP is for a Toshiba TX39 evaluation board but
	can also be used with the mips simulator in gdb.
	* .cvsignore, ChangeLog, Makefile.am, README, bsp_specs,
	configure.in, clock/.cvsignore, clock/Makefile.am,
	clock/clockdrv.c, console/.cvsignore, console/Makefile.am,
	console/console-io.c, include/.cvsignore,
	include/Makefile.am, include/bsp.h, start/.cvsignore,
	start/Makefile.am, start/regs.S, start/start.S,
	startup/.cvsignore, startup/Makefile.am, startup/bspstart.c,
	startup/linkcmds, wrapup/.cvsignore, wrapup/Makefile.am: New files.

4 files changed, 280 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/mips/jmr3904/startup/.cvsignore b/c/src/lib/libbsp/mips/jmr3904/startup/.cvsignore
new file mode 100644
index 0000000000..282522db03
--- /dev/null
+++ b/c/src/lib/libbsp/mips/jmr3904/startup/.cvsignore
@@ -0,0 +1,2 @@
+Makefile
+Makefile.in
diff --git a/c/src/lib/libbsp/mips/jmr3904/startup/Makefile.am b/c/src/lib/libbsp/mips/jmr3904/startup/Makefile.am
new file mode 100644
index 0000000000..4dd270fbea
--- /dev/null
+++ b/c/src/lib/libbsp/mips/jmr3904/startup/Makefile.am
@@ -0,0 +1,40 @@
+##
+## $Id$
+##
+
+AUTOMAKE_OPTIONS = foreign 1.4
+
+VPATH = @srcdir@:@srcdir@/../../../shared
+
+PGM = $(ARCH)/startup.rel
+
+C_FILES = bspclean.c bsplibc.c bsppost.c bspstart.c bootcard.c main.c sbrk.c \
+    gnatinstallhandler.c
+C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
+
+OBJS = $(C_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(top_srcdir)/../../../../../../automake/compile.am
+include $(top_srcdir)/../../../../../../automake/lib.am
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+$(PGM): $(OBJS)
+	$(make-rel)
+
+$(PROJECT_RELEASE)/lib/linkcmds: linkcmds
+	$(INSTALL_DATA) $< $@
+
+# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
+TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/linkcmds
+
+all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES)
+
+.PRECIOUS: $(PGM)
+
+EXTRA_DIST = bspclean.c bspstart.c exit.c linkcmds setvec.c
+
+include $(top_srcdir)/../../../../../../automake/local.am
diff --git a/c/src/lib/libbsp/mips/jmr3904/startup/bspstart.c b/c/src/lib/libbsp/mips/jmr3904/startup/bspstart.c
new file mode 100644
index 0000000000..1143386ada
--- /dev/null
+++ b/c/src/lib/libbsp/mips/jmr3904/startup/bspstart.c
@@ -0,0 +1,117 @@
+/*
+ *  This routine starts the application.  It includes application,
+ *  board, and monitor specific initialization and configuration.
+ *  The generic CPU dependent initialization has been performed
+ *  before this routine is invoked.
+ *
+ *  COPYRIGHT (c) 1989-2000.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <string.h>
+
+#include <bsp.h>
+#include <rtems/libio.h>
+#include <rtems/libcsupport.h>
+
+/*
+ *  The original table from the application and our copy of it with
+ *  some changes.
+ */
+
+extern rtems_configuration_table Configuration;
+
+rtems_configuration_table  BSP_Configuration;
+
+rtems_cpu_table Cpu_table;
+
+char *rtems_progname;
+
+/*
+ *  Use the shared implementations of the following routines
+ */
+ 
+void bsp_postdriver_hook(void);
+void bsp_libc_init( void *, unsigned32, int );
+
+/*
+ *  Function:   bsp_pretasking_hook
+ *  Created:    95/03/10
+ *
+ *  Description:
+ *      BSP pretasking hook.  Called just before drivers are initialized.
+ *      Used to setup libc and install any BSP extensions.
+ *
+ *  NOTES:
+ *      Must not use libc (to do io) from here, since drivers are
+ *      not yet initialized.
+ *
+ */
+ 
+void bsp_pretasking_hook(void)
+{
+    extern int HeapBase;
+    extern int HeapSize;
+    void         *heapStart = &HeapBase;
+    unsigned long heapSize = (unsigned long)&HeapSize;
+    unsigned long ramSpace;
+
+    bsp_libc_init(heapStart, (unsigned32) heapSize, 0);
+
+#ifdef RTEMS_DEBUG
+    rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
+#endif
+
+}
+ 
+/*
+ *  bsp_start
+ *
+ *  This routine does the bulk of the system initialization.
+ */
+
+void bsp_start( void )
+{
+  extern int _end;
+  extern int WorkspaceBase;
+  /* Configure Number of Register Caches */
+
+  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
+  Cpu_table.postdriver_hook = bsp_postdriver_hook;
+  Cpu_table.interrupt_stack_size = 4096;
+
+  if ( BSP_Configuration.work_space_size >(512*1024) )
+   _sys_exit( 1 );
+
+  BSP_Configuration.work_space_start = (void *) &WorkspaceBase;
+}
+
+/* XXX */
+void clear_cache( void *address, size_t n )
+{
+}
+
+/* Structure filled in by get_mem_info.  Only the size field is
+   actually used (to clear bss), so the others aren't even filled in.  */
+
+struct s_mem
+{
+  unsigned int size;
+  unsigned int icsize;
+  unsigned int dcsize;
+};
+
+
+void
+get_mem_info (mem)
+     struct s_mem *mem;
+{
+  mem->size = 0x1000000;        /* XXX figure out something here */
+}
+
diff --git a/c/src/lib/libbsp/mips/jmr3904/startup/linkcmds b/c/src/lib/libbsp/mips/jmr3904/startup/linkcmds
new file mode 100644
index 0000000000..76943945e5
--- /dev/null
+++ b/c/src/lib/libbsp/mips/jmr3904/startup/linkcmds
@@ -0,0 +1,121 @@
+/*
+ *  $Id$
+ *
+ *  Based on jmr3904app-dram.ld from newlib 1.8.2
+ */
+
+/*
+ * Declare some sizes.
+ */
+_RamBase = DEFINED(_RamBase) ? _RamBase : 0x0;
+_RamSize = DEFINED(_RamSize) ? _RamSize : 1M;
+HeapSize = DEFINED(HeapSize) ? HeapSize : 0x10000;
+_StackSize = DEFINED(_StackSize) ? _StackSize : 0x1000;
+
+SECTIONS
+{ 
+    . = 0x8800000;
+    .text : 
+    { 
+       _ftext = . ;
+      *(.init)
+       eprol  =  .;
+      *(.text)
+      *(.text.*)
+      *(.gnu.linkonce.t*)
+      *(.mips16.fn.*)
+      *(.mips16.call.*)
+      PROVIDE (__runtime_reloc_start = .);
+      *(.rel.sdata)
+      PROVIDE (__runtime_reloc_stop = .);
+      *(.fini)
+       etext  =  .;
+       _etext  =  .;
+    }  
+    . = .;
+  .rdata : {
+    *(.rdata)
+    *(.rodata)
+    *(.rodata.*)
+    *(.gnu.linkonce.r*)
+  }
+   _fdata = ALIGN(16);
+  .data : {
+    *(.data)
+    *(.data.*)
+    *(.gnu.linkonce.d*)
+    CONSTRUCTORS
+  }
+  . = ALIGN(8);
+  _gp = . + 0x8000;
+  __global = _gp;
+  .lit8 : {
+    *(.lit8)
+  }
+  .lit4 : {
+    *(.lit4)
+  }
+  .sdata : {
+    *(.sdata)
+    *(.sdata.*)
+    *(.gnu.linkonce.s*)
+  }
+  . = ALIGN(4);
+   edata  =  .;
+   _edata  =  .;
+   _fbss = .;
+  .sbss : {
+    *(.sbss)
+    *(.scommon)
+  }
+  .bss : {
+    _bss_start = . ;
+    *(.bss)
+    *(COMMON)
+    . = ALIGN (64);
+    _stack_init = .;
+    . += _StackSize;
+    _clear_end = .;
+    WorkspaceBase = .;
+    . += 64K;    /* reserve some memory for workspace */
+    HeapBase = .;
+    . += HeapSize;    /* reserve some memory for heap */
+  }
+ end = .;
+ _end = .;
+
+
+/* Put starting stack in SRAM (8 Kb); this size is the same as the stack from
+      the original script (when everything was in SRAM). */
+   __stack = 0x8000A000;
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to
+     the beginning of the section so we begin them at 0.  */
+
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+}