bsps: Move startup files to bsps

Adjust build support files to new directory layout.

This patch is a part of the BSP source reorganization.

Update #3285.

3 files changed, 351 insertions, 0 deletions

diff --git a/bsps/m68k/mrm332/start/bsp_specs b/bsps/m68k/mrm332/start/bsp_specs
new file mode 100644
index 0000000000..87638cc027
--- /dev/null
+++ b/bsps/m68k/mrm332/start/bsp_specs
@@ -0,0 +1,9 @@
+%rename endfile old_endfile
+%rename startfile old_startfile
+
+*startfile:
+%{!qrtems: %(old_startfile)} \
+%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}}
+
+*endfile:
+%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s}
diff --git a/bsps/m68k/mrm332/start/linkcmds b/bsps/m68k/mrm332/start/linkcmds
new file mode 100644
index 0000000000..1ee7117d6b
--- /dev/null
+++ b/bsps/m68k/mrm332/start/linkcmds
@@ -0,0 +1,212 @@
+/*  linkcmds
+ */
+
+OUTPUT_ARCH(m68k)
+ENTRY(start)
+STARTUP(start.o)
+__DYNAMIC  =  0;
+
+/*
+ * ROM:
+ * +--------------------+ <- low memory
+ * | .text              |
+ * |        etext       |
+ * |        ctor list   | the ctor and dtor lists are for
+ * |        dtor list   | C++ support
+ * |        _endtext    |
+ * | temporary .data    | .data is moved to RAM by crt0
+ * |                    |
+ * +--------------------+ <- high memory
+ *
+ *
+ * RAM:
+ * +--------------------+ <- low memory
+ * | .data              | initialized data goes here
+ * |        _sdata      |
+ * |        _edata      |
+ * +--------------------+
+ * | .bss               |
+ * |        __bss_start | start of bss, cleared by crt0
+ * |        _end        | start of heap, used by sbrk()
+ * +--------------------+
+ * |    heap space      |
+ * |        _ENDHEAP    |
+ * |    stack space     | 
+ * |        __stack     | top of stack
+ * +--------------------+ <- high memory
+ */
+
+/*
+ * Declare some sizes.
+ */
+RomBase = DEFINED(RomBase) ? RomBase : 0x90000;
+RamBase = DEFINED(RamBase) ? RamBase : 0x03000;
+RamSize = DEFINED(RamSize) ? RamSize : 0x7d000;
+_RamEnd = RamBase + RamSize;
+
+MEMORY
+{
+  rom     : ORIGIN = 0x90000, LENGTH = 0x70000
+  ram     : ORIGIN = 0x03000, LENGTH = 0x7d000
+}
+
+_copy_data_from_rom = 1;
+HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
+_StackSize = DEFINED(_StackSize) ? _StackSize : 0x2000;
+
+
+/*
+ * 
+ */
+SECTIONS
+{
+  .text :
+  {
+    . = .;
+    text_start = .;
+    _text_start = .;
+    *(.text*)
+    . = ALIGN (16);
+
+	/*
+	 * C++ constructors/destructors
+	 */
+	*(.gnu.linkonce.t.*)
+
+    /*
+     * Initialization and finalization code.
+     *
+     * Various files can provide initialization and finalization
+     * functions.  crtbegin.o and crtend.o are two instances. The
+     * body of these functions are in .init and .fini sections. We
+     * accumulate the bodies here, and prepend function prologues
+     * from crti.o and function epilogues from crtn.o. crti.o must
+     * be linked first; crtn.o must be linked last.  Because these
+     * are wildcards, it doesn't matter if the user does not
+     * actually link against crti.o and crtn.o; the linker won't
+     * look for a file to match a wildcard.  The wildcard also
+     * means that it doesn't matter which directory crti.o and
+     * crtn.o are in. 
+     */
+    PROVIDE (_init = .);
+    *crti.o(.init)
+    *(.init)
+    *crtn.o(.init)
+    PROVIDE (_fini = .);
+    *crti.o(.fini)
+    *(.fini)
+    *crtn.o(.fini)
+
+    /*
+     * Special FreeBSD sysctl sections.
+     */
+    . = ALIGN (16);
+    __start_set_sysctl_set = .;
+    *(set_sysctl_*);
+    __stop_set_sysctl_set = ABSOLUTE(.);
+    *(set_domain_*);
+    *(set_pseudo_*);
+
+    /*
+     * C++ constructors/destructors
+     *
+     * gcc uses crtbegin.o to find the start of the constructors
+     * and destructors so we make sure it is first.  Because this
+     * is a wildcard, it doesn't matter if the user does not
+     * actually link against crtbegin.o; the linker won't look for
+     * a file to match a wildcard.  The wildcard also means that
+     * it doesn't matter which directory crtbegin.o is in. The
+     * constructor and destructor list are terminated in
+     * crtend.o.  The same comments apply to it.
+     */
+    . = ALIGN (16);
+    *crtbegin.o(.ctors)
+    *(.ctors)
+    *crtend.o(.ctors)
+    *crtbegin.o(.dtors)
+    *(.dtors)
+    *crtend.o(.dtors)
+
+	/*
+	 * Exception frame info
+	 */
+	. = ALIGN (16);
+	*(.eh_frame)
+
+    /*
+     * Read-only data
+     */
+    . = ALIGN (16);
+    _rodata_start = . ;
+    *(.rodata*)
+    KEEP (*(SORT(.rtemsroset.*)))
+    *(.gnu.linkonce.r*)
+
+    . = ALIGN (16);
+    PROVIDE (_etext = .);
+    _endtext = .;
+    __data_start_rom = .;
+  } > rom
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+  } > rom
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  } > rom
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
+  _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
+  .gcc_exc :
+  AT ( ADDR(.tdata) + SIZEOF( .tdata ) )
+  {
+    *(.gcc_exc)
+  } > ram
+  .data : AT(__data_start_rom) 
+  {
+	PROVIDE (_copy_start = .);
+    *(.data*)
+        KEEP (*(SORT(.rtemsrwset.*)))
+	*(.gnu.linkonce.d*)
+	*(.gcc_except_table*)
+	*(.jcr)
+    . = ALIGN (16);
+    PROVIDE (_edata = .);
+    PROVIDE (_copy_end = .);
+  } > ram
+  .shbss : 
+  {
+    *(.shbss)
+  } > ram
+  .bss : 
+  {
+    M68Kvec = .;
+    . += (256 * 4);
+    _clear_start = .;
+    *(.dynbss)
+    *(.bss* .gnu.linkonce.b.*)
+    *(COMMON)
+    . = ALIGN (16);
+    PROVIDE (end = .);
+    . += _StackSize;
+    . = ALIGN (16);
+    _stack_init = .;
+    _clear_end = .;
+
+    WorkAreaBase = .;
+  } > ram
+  .stab . (NOLOAD) :
+  {
+    [ .stab ]
+  }
+  .stabstr . (NOLOAD) :
+  {
+    [ .stabstr ]
+  }
+}
diff --git a/bsps/m68k/mrm332/start/start_c.c b/bsps/m68k/mrm332/start/start_c.c
new file mode 100644
index 0000000000..060c96b004
--- /dev/null
+++ b/bsps/m68k/mrm332/start/start_c.c
@@ -0,0 +1,130 @@
+/**
+ *  @file
+ *
+ *  MRM332 C Start Up Code
+ */
+
+/*
+ *  COPYRIGHT (c) 2000.
+ *  Matt Cross <profesor@gweep.net>
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ *
+ */
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+#include <mrm332.h>
+#include <rtems/m68k/sim.h>
+#define __START_C__
+
+/*
+ *  This prototype really should have the noreturn attribute but
+ *  that causes a warning. Not sure how to fix that.
+ */
+/* void dumby_start ()  __attribute__ ((noreturn)); */
+void start_c(void);
+
+void start_c(void) {
+
+#ifdef SET_EDIV
+#define OPTIONAL_EDIV EDIV
+#else
+#define OPTIONAL_EDIV 0
+#endif
+
+	/* Synthesizer Control Register */
+	/*    see section(s) 4.8 */
+	/* end include in ram_init.S */
+	*SYNCR = (unsigned short int) (SAM(MRM_W, 15, VCO) | SAM(0x0, 14, PRESCALE)
+			| SAM(MRM_Y, 8, COUNTER) | OPTIONAL_EDIV);
+	while (!(*SYNCR & SLOCK))
+		; /* protect from clock overshoot */
+	/* include in ram_init.S */
+	*SYNCR = (unsigned short int) (SAM(MRM_W, 15, VCO) | SAM(MRM_X, 14,
+			PRESCALE) | SAM(MRM_Y, 8, COUNTER) | OPTIONAL_EDIV);
+
+	/* System Protection Control Register */
+	/*    !!! can only write to once after reset !!! */
+	/*    see section 3.8.4 of the SIM Reference Manual */
+	*SYPCR = (unsigned char) (HME | BME);
+
+	/* Periodic Interrupr Control Register */
+	/*    see section 3.8.2 of the SIM Reference Manual */
+	*PICR = (unsigned short int) (SAM(0, 8, PIRQL) | SAM(MRM_PIV, 0, PIV));
+	/*     ^^^ zero disables interrupt, don't enable here or ram_init will
+	 be wrong. It's enabled below. */
+
+	/* Periodic Interrupt Timer Register */
+	/*    see section 3.8.3 of the SIM Reference Manual */
+	*PITR = (unsigned short int) (SAM(0x09, 0, PITM));
+	/*    1.098mS interrupt, assuming 32.768 KHz input clock */
+
+	/* Port C Data */
+	/*    load values before enabled */
+	*PORTC = (unsigned char) 0x0;
+
+	/* Port E and F Data Register */
+	/*    see section 9 of the SIM Reference Manual */
+	*PORTE0 = (unsigned char) 0;
+	*PORTF0 = (unsigned char) 0;
+
+	/* Port E and F Data Direction Register */
+	/*    see section 9 of the SIM Reference Manual */
+	*DDRE = (unsigned char) 0xff;
+	*DDRF = (unsigned char) 0xfd;
+
+	/* Port E and F Pin Assignment Register. Set up Port E and F as I/O */
+	/*    see section 9 of the SIM Reference Manual */
+	*PEPAR = (unsigned char) 0;
+	*PFPAR = (unsigned char) 0;
+
+	/* end of SIM initalization code */
+	/* end include in ram_init.S */
+
+	/*
+	 * Initialize RAM by copying the .data section out of ROM (if
+	 * needed) and "zero-ing" the .bss section.
+	 */
+	{
+		register char *src = _etext;
+		register char *dst = _copy_start;
+
+		if (_copy_data_from_rom) {
+			/* ROM has data at end of text; copy it. */
+			while (dst < _edata)
+				*dst++ = *src++;
+		}
+		/* Zero bss */
+		for (dst = _clear_start; dst < end; dst++) {
+			*dst = 0;
+		}
+	}
+
+	/*
+	 * Initialize vector table.
+	 */
+	{
+		rtems_isr_entry *monitors_vector_table;
+
+		m68k_get_vbr(monitors_vector_table);
+
+		M68Kvec[4] = monitors_vector_table[4]; /* breakpoints vector */
+		M68Kvec[9] = monitors_vector_table[9]; /* trace vector */
+		M68Kvec[31] = monitors_vector_table[31]; /* level 7 interrupt */
+		M68Kvec[47] = monitors_vector_table[47]; /* system call vector */
+		M68Kvec[66] = monitors_vector_table[66]; /* user defined */
+
+		m68k_set_vbr(&M68Kvec);
+	}
+
+
+  /*
+   * Execute main with arguments argc and agrv.
+   */
+  boot_card((void*)0);
+  reboot();
+
+}