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newlib/libgloss/m68k/cf-isrs.c
Jeff Johnston 12cb181da7 2006-12-11 Kazu Hirata <kazu@codesourcery.com> 
Merge from newlib-csl-20060320-branch:
	2006-12-01  Nathan Sidwell  <nathan@codesourcery.com>
		    Kazu Hirata  <kazu@codesourcery.com>

	* m68k/Makefile.in (CF_ISRS): Use addprefix.

	2006-11-01 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in (CFLAGS): Do not clear.  Add to all compilations.
	(ARFLAGS): Remove commented out definition.


	* m68k/configure.in (DO) Set to list of target cpu families.
	* m68k/configure: Rebuilt.
	* m68k/Makefile.in (DO): New.
	(UNHOSTED_BSP, UNHOSTED_OBJS, HOSTED_BSP, HOSTED_OBJS): Move
	later.
	(m5208evb, m5213evb, m52235evb, m5235evb, m5273c3, m5275evb,
	m5282evb, m5329evb, m5485evb): Move earlier.
	(all): Add all_$DO dependencies.
	(all_cf, all_m68k): New targets, depend on cf & m68k bsps as
	appropriate.
	(m%-ram.ld, m%-rom.ld, m%-ram-hosted.ld, m%-rom-hosted.ld): Add
	'm' prefix.
	(install): Add install_$DO dependencies.
	(install_cf, install_m68k): New targets.  Perform cf and m68k
	installs as appropriate.
	(install_io): New, install the io libraries.


	2006-10-23 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in (CF_CRT0): Rename to CF_CRT0S, separate hosted
	& unhosted versions.
	(CF_OBJS): Add cf-isv.o.
	(CF_SOURCES): Add cf-isv.S.
	(cf-hosted-crt0.o, cf-unhosted-crt0.o): New targets.
	* m68k/cf-isv.S: New, broken out of ...
	* m68k/cf-crt0.S: ... here.  Add HOSTED & UNHOSTED differences.
	* m68k/cf-crt1.c (__start1): Add heap_limit argument.
	(__heap_limit): Define.
	* m68k/cf-sbrk.c (__heap_limit): Declare.
	(sbrk): Adjust for __heap_limit.
	* m68k/cf.sc: Use different crt0's for hosted & unhosted.
	Install a separate isv.o file.
	* m68k/io.h (HOSTED_PUTCHAR): Replace with ...
	(HOSTED_INIT_SIM): ... this.


	2006-10-20 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in (CF_BOARDS): Add m5275evb.
	(m5275evb): New board.


	2006-10-20 Vladimir Prus <vladimir@codesourcery.com>

	* m68k/cf.sc: Add linkonce sections and
	DWARF sections.


	2006-10-07 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in: Adjust Coldfire rules.
	(BDM_CRT0, BDM_BSP, BDM_OBJS, BDM_ISRS): Rename	to ...
	(CF_CRT0, CF_BSP, CF_OBJS, CF_ISRS): ... here.  Adjust.
	(BDM_OTHER_OBJS): Remove.
	(BDM_SYSOBJS): Rename to ...
	(UNHOSTED_OBJS): ... here.  Adjust.
	(UNHOSTED_BSP, HOSTED_OBJS, HOSTED_BSP): New.
	(CF_HOSTED_SCRIPTS): New.
	(CF_SCRIPTS, CF_SOURCES): Adjust.
	* m68k/cf.sc: Add IO library variable.
	* m68k/bdm-crt0.S, m68k/bdm-crt1.c, m68k/bdm-isrs.c,
	m68k/bdm-sbrk.c, m68k/bdm-semihost.S: Rename to ...
	* m68k/cf-crt0.S, m68k/cf-crt1.c, m68k/cf-isrs.c, m68k/cf-sbrk.c,
	m68k/cf-hosted.S: ... here.
	* m68k/cf-exit.c: New.
	* m68k/bdm-gdb.h, m68k/bdm-semihost.h: Merge into ...
	* m68k/io.h: ... here.  Add unhosted support.  Adjust conversion
	function names.
	* m68k/bdm-gdb.c: Rename to ...
	* m68k/io-gdb.c: ... here.  Adjust names of conversion functions.
	* m68k/bdm-close.c, m68k/bdm-exit.c, m68k/bdm-fstat.c,
	m68k/bdm-gettimeofday.c, m68k/bdm-isatty.c, m68k/bdm-lseek.c,
	m68k/bdm-open.c, m68k/bdm-read.c, m68k/bdm-rename.c,
	m68k/bdm-stat.c, m68k/bdm-system.c, m68k/bdm-time.c,
	m68k/bdm-unlink.c, m68k/bdm-write.c: Rename to ...
	* m68k/io-close.c, m68k/io-exit.c, m68k/io-fstat.c,
	m68k/io-gettimeofday.c, m68k/io-isatty.c, m68k/io-lseek.c,
	m68k/io-open.c, m68k/io-read.c, m68k/io-rename.c, m68k/io-stat.c,
	m68k/io-system.c, m68k/io-time.c, m68k/io-unlink.c,
	m68k/io-write.c: ... here.  Include io.h. Adjust for hosted &
	unhosted libraries.  Adjust names of gdb conversion functions.


	2006-09-29 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/bdm-semihost.S: Add more comments. Make instruction weirder.

	2006-09-22 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/bdm-crt1.c (hardware_init_hook): Use #defines for CACR bits.

	2006-09-18 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in: Don't force a frame pointer on the ISRs.
	* m68k/bdm-crt1.c (__start1): Don't set the VBR here.
	(hardeare_init_hook): Define weakly.  Set VBR here, enable caching
	if supported.


	* m68k/Makefile.in (bdm-semihost.o): Build from bdm-semihost.S.
	* m68k/bdm-semihost.c: Remove.
	* m68k/bdm-semihost.S: New.
	* m68k/bdm-crt0.S: Don't install semihosting trap handler.
	* m68k/bdm-close.c, bdm-exit.c, bdm-fstat.c, bdm-gettimeofday.c,
	bdm-isatty.c, bdm-lseek.c, bdm-open.c, bdm-read.c, bdm-rename.c,
	bdm-stat.c, bdm-system.c, bdm-unlink.c, bdm-write.c): Update.
	* m68k/bdm-isrs.c: Update comment.
	* m68k/bdm-semihost.h (BDM_TRAPNUM, BDM_FUNC_REG, BDM_ARG_REG,
	BDM_TRAP): Remove.
	(__bdm_semihost): Declare.


	2006-09-15 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in (BDM_OTHER_OBJS): Remove sbrk.o.
	(BDM_SYSOBJS): Add bdm-sbrk.o.
	* m68k/bdm-sbrk.c: New.


	2006-09-06 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/Makefile.in (CF_SOURCES): New.
	(install): Install them.


	2006-09-01 Nathan Sidwell <nathan@codesourcery.com>

	* m68k/cf.sc: Add .jcr section to .text.
2006-12-11 19:58:01 +00:00

190 lines
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/*
* cf-isv.c --
*
* Copyright (c) 2006 CodeSourcery Inc
*
* 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 code for the
interrupt vector. All but one of the interrupts are user
replaceable.
These interrupt handlers are entered whenever the associated
interrupt occurs. All they do is stop the debugger to give the user
the opportunity to determine where the problem was. */
/* Each ISR is a loop containing a halt instruction */
#define ISR_DEFINE(NAME) \
void __attribute__((interrupt_handler)) NAME (void) \
{ \
while (1) \
__asm__ __volatile__ ("halt" ::: "memory"); \
} \
struct eat_trailing_semicolon
#if defined (L_other_interrupt)
ISR_DEFINE (__other_interrupt);
#endif
#if defined (L_reset)
ISR_DEFINE (__reset);
#endif
#if defined (L_access_error)
ISR_DEFINE (__access_error);
#endif
#if defined (L_address_error)
ISR_DEFINE (__address_error);
#endif
#if defined (L_illegal_instruction)
ISR_DEFINE (__illegal_instruction);
#endif
#if defined (L_divide_by_zero)
ISR_DEFINE (__divide_by_zero);
#endif
#if defined (L_privilege_violation)
ISR_DEFINE (__privilege_violation);
#endif
#if defined (L_trace)
ISR_DEFINE (__trace);
#endif
#if defined (L_unimplemented_line_a_opcode)
ISR_DEFINE (__unimplemented_line_a_opcode);
#endif
#if defined (L_unimplemented_line_f_opcode)
ISR_DEFINE (__unimplemented_line_f_opcode);
#endif
#if defined (L_non_pc_breakpoint_debug_interrupt)
ISR_DEFINE (__non_pc_breakpoint_debug_interrupt);
#endif
#if defined (L_pc_breakpoint_debug_interrupt)
ISR_DEFINE (__pc_breakpoint_debug_interrupt);
#endif
#if defined (L_format_error)
ISR_DEFINE (__format_error);
#endif
#if defined (L_spurious_interrupt)
ISR_DEFINE (__spurious_interrupt);
#endif
#if defined (L_trap0)
ISR_DEFINE (__trap0);
#endif
#if defined (L_trap1)
ISR_DEFINE (__trap1);
#endif
#if defined (L_trap2)
ISR_DEFINE (__trap2);
#endif
#if defined (L_trap3)
ISR_DEFINE (__trap3);
#endif
#if defined (L_trap4)
ISR_DEFINE (__trap4);
#endif
#if defined (L_trap5)
ISR_DEFINE (__trap5);
#endif
#if defined (L_trap6)
ISR_DEFINE (__trap6);
#endif
#if defined (L_trap7)
ISR_DEFINE (__trap7);
#endif
#if defined (L_trap8)
ISR_DEFINE (__trap8);
#endif
#if defined (L_trap9)
ISR_DEFINE (__trap9);
#endif
#if defined (L_trap10)
ISR_DEFINE (__trap10);
#endif
#if defined (L_trap11)
ISR_DEFINE (__trap11);
#endif
#if defined (L_trap12)
ISR_DEFINE (__trap12);
#endif
#if defined (L_trap13)
ISR_DEFINE (__trap13);
#endif
#if defined (L_trap14)
ISR_DEFINE (__trap14);
#endif
#if defined (L_trap15)
ISR_DEFINE (__trap15);
#endif
#if defined (L_fp_branch_unordered)
ISR_DEFINE (__fp_branch_unordered);
#endif
#if defined (L_fp_inexact_result)
ISR_DEFINE (__fp_inexact_result);
#endif
#if defined (L_fp_divide_by_zero)
ISR_DEFINE (__fp_divide_by_zero);
#endif
#if defined (L_fp_underflow)
ISR_DEFINE (__fp_underflow);
#endif
#if defined (L_fp_operand_error)
ISR_DEFINE (__fp_operand_error);
#endif
#if defined (L_fp_overflow)
ISR_DEFINE (__fp_overflow);
#endif
#if defined (L_fp_input_not_a_number)
ISR_DEFINE (__fp_input_not_a_number);
#endif
#if defined (L_fp_input_denormalized_number)
ISR_DEFINE (__fp_input_denormalized_number);
#endif
#if defined (L_unsupported_instruction)
ISR_DEFINE (__unsupported_instruction);
#endif
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