* libgloss/m68k/Makefile.in (BDM_BSP, BDM_OBJS, BDM_ISRS): New.

	(CF_SCRIPTS): Rename dbug scripts.  Add bdm scripts. Add m5485
	scripts.
	(all): Add new targets.
	(BDM_BSP): New target.
	(bdm-isv.o, bdm-exit.o, bdm-outbyte.o, bdm-semihost.o): New
	targets.
	(BDM_ISRS): New targets.
	(m5208evb.ld, m5213evb.ld, m5235evb.ld, m5272c3.ld, m5282evb.ld):
	Rename and adjust.
	(m5485evb-dbug): New.
	(m5208evb-bdm.ld, m5213evb-bdm.ld, m5235evb-bdm.ld,
	m5272c3-bdm.ld, m5282evb-bdm.ld, m5485evb-bdm.ld): New.
	(install): Add BDM_BSP.
	* libgloss/m68k/bdm-exit.c: New
	* libgloss/m68k/bdm-inbyte.c: New
	* libgloss/m68k/bdm-outbyte.c: New
	* libgloss/m68k/bdm-semihost.c: New
	* libgloss/m68k/bdm-semihost.h: New
	* libgloss/m68k/bdm-isrs.c: New.
	* libgloss/m68k/bdm-isv.c: New.
	* cf-dbug.sc: Renamed to ...
	* cf.sc: ... here.  Add bdm flexibility. Remove GROUP

1 files changed, 148 insertions, 0 deletions

diff --git a/libgloss/m68k/bdm-isv.c b/libgloss/m68k/bdm-isv.c
new file mode 100644
index 000000000..a9fba3117
--- /dev/null
+++ b/libgloss/m68k/bdm-isv.c
@@ -0,0 +1,148 @@
+/*
+ * bdm-isv.c -- 
+ *
+ * Copyright (c) 2006 CodeSourcery CSI
+ *
+ * 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.
+ */
+
+/* This file contains default interrupt handlers and initialization
+   code for the interrupt vector.  All but one of the interrupts are
+   user replaceable.
+
+   User trap BDM_TRAP (15) is used for semi hosting support.
+   If you replace this one, semihosting will cease to function. */
+
+#include "bdm-semihost.h"
+
+#define NUM_VECTORS 256
+
+#define ISR_DECLARE(NAME) void __attribute__((interrupt_handler)) NAME (void)
+
+ISR_DECLARE (__other_interrupt);
+ISR_DECLARE (__reset);
+ISR_DECLARE (__access_error);
+ISR_DECLARE (__address_error);
+ISR_DECLARE (__illegal_instruction);
+ISR_DECLARE (__divide_by_zero);
+ISR_DECLARE (__privilege_violation);
+ISR_DECLARE (__trace);
+ISR_DECLARE (__unimplemented_line_a_opcode);
+ISR_DECLARE (__unimplemented_line_f_opcode);
+ISR_DECLARE (__non_pc_breakpoint_debug_interrupt);
+ISR_DECLARE (__pc_breakpoint_debug_interrupt);
+ISR_DECLARE (__format_error);
+ISR_DECLARE (__spurious_interrupt);
+ISR_DECLARE (__trap0);
+ISR_DECLARE (__trap1);
+ISR_DECLARE (__trap2);
+ISR_DECLARE (__trap3);
+ISR_DECLARE (__trap4);
+ISR_DECLARE (__trap5);
+ISR_DECLARE (__trap6);
+ISR_DECLARE (__trap7);
+ISR_DECLARE (__trap8);
+ISR_DECLARE (__trap9);
+ISR_DECLARE (__trap10);
+ISR_DECLARE (__trap11);
+ISR_DECLARE (__trap12);
+ISR_DECLARE (__trap13);
+ISR_DECLARE (__trap14);
+ISR_DECLARE (__trap15);
+ISR_DECLARE (__fp_branch_unordered);
+ISR_DECLARE (__fp_inexact_result);
+ISR_DECLARE (__fp_divide_by_zero);
+ISR_DECLARE (__fp_underflow);
+ISR_DECLARE (__fp_operand_error);
+ISR_DECLARE (__fp_overflow);
+ISR_DECLARE (__fp_input_not_a_number);
+ISR_DECLARE (__fp_input_denormalized_number);
+ISR_DECLARE (__unsupported_instruction);
+
+/* The trap used for semihosting by the debugger.  This must have a
+   particular assembly signature, so we don't generate it with the
+   compiler.   */
+ISR_DECLARE (__bdm_semihosting);
+
+/* The interrupt vector itself must be provided by the linker script
+   as it requires 1MB alignment. */
+extern void (*__interrupt_vector[NUM_VECTORS])(void);
+
+/* The linker script sets the stack pointer too.  */
+extern int  __attribute__ ((weak)) __stack;
+
+/* This hook is called during crt startup and installs and initializes
+   the vector table.  It is overridable by a user provided routine.
+   If the user routine fails to install the __bdm_semihosting routine,
+   semihosting will cease to function.   */
+
+void  software_init_hook (void)
+{
+  unsigned ix;
+
+  /* Don't set it if it's -1 (zero is a valid value) */
+  if ((long)&__interrupt_vector == -1)
+    return;
+  
+  for (ix = 0; ix != NUM_VECTORS; ix++)
+    __interrupt_vector[ix] = &__other_interrupt;
+  
+  /* Set the VBR. */
+  __asm__ __volatile__ ("movec.l %0,%/vbr" :: "r" (&__interrupt_vector));
+
+  /* Set an initial stack and reset vector, in case we unexpectedly get
+     reset.  */
+  __interrupt_vector[0] = (&__stack ? (void (*)(void))&__stack
+			   : (void (*)(void))&__interrupt_vector[NUM_VECTORS]);
+  __interrupt_vector[1] = &__reset;
+  
+  /* Store the known interrupt vectors */
+  __interrupt_vector[2] = &__access_error;
+  __interrupt_vector[3] = &__address_error;
+  __interrupt_vector[4] = &__illegal_instruction;
+  __interrupt_vector[5] = &__divide_by_zero;
+  __interrupt_vector[8] = &__privilege_violation;
+  __interrupt_vector[9] = &__trace;
+  __interrupt_vector[10] = &__unimplemented_line_a_opcode;
+  __interrupt_vector[11] = &__unimplemented_line_f_opcode;
+  __interrupt_vector[12] = &__non_pc_breakpoint_debug_interrupt;
+  __interrupt_vector[13] = &__pc_breakpoint_debug_interrupt;
+  __interrupt_vector[14] = &__format_error;
+  __interrupt_vector[24] = &__spurious_interrupt;
+  __interrupt_vector[32] = &__trap0;
+  __interrupt_vector[32] = &__trap1;
+  __interrupt_vector[32] = &__trap2;
+  __interrupt_vector[32] = &__trap3;
+  __interrupt_vector[32] = &__trap4;
+  __interrupt_vector[32] = &__trap5;
+  __interrupt_vector[32] = &__trap6;
+  __interrupt_vector[32] = &__trap7;
+  __interrupt_vector[32] = &__trap8;
+  __interrupt_vector[32] = &__trap9;
+  __interrupt_vector[32] = &__trap10;
+  __interrupt_vector[32] = &__trap11;
+  __interrupt_vector[32] = &__trap12;
+  __interrupt_vector[32] = &__trap13;
+  __interrupt_vector[32] = &__trap14;
+  __interrupt_vector[32] = &__trap15;
+  __interrupt_vector[48] = &__fp_branch_unordered;
+  __interrupt_vector[49] = &__fp_inexact_result;
+  __interrupt_vector[50] = &__fp_divide_by_zero;
+  __interrupt_vector[51] = &__fp_underflow;
+  __interrupt_vector[52] = &__fp_operand_error;
+  __interrupt_vector[53] = &__fp_overflow;
+  __interrupt_vector[54] = &__fp_input_not_a_number;
+  __interrupt_vector[55] = &__fp_input_denormalized_number;
+  __interrupt_vector[61] = &__unsupported_instruction;
+
+  /* Install the special handler. */
+  __interrupt_vector[0x20 + BDM_TRAP] = &__bdm_semihosting;
+}