libgloss/

Merge from newlib-csl-20060320-branch:
	2006-08-31  Nathan Sidwell  <nathan@codesourcery.com>

	* m68k/bdm-crt1.c: Call hardware_init_hook before copying
	initialized data.

	* m68k/Makefile.in (CF_BDM_SCRIPTS): Rename to CF_RAM_SCRIPTS.
	(CF_SCRIPTS): Update.
	(%-bdm.ld): Rename to %-ram.ld.

	2006-08-25  Nathan Sidwell  <nathan@codesourcery.com>

	* m68k/Makefile.in (DBUG_BSP, DBUG_OBJS): Remove.
	(BDM_CRT0): New.
	(BDM_OBJS): Add bdm-crt1.o.
	(BDM_OTHER_OBJS): Remove print.o putnum.o
	(CF_BOARDS): New.
	(CF_BDM_SCRIPTS): Generated name of ram scripts.
	(CF_ROM_SCRIPTS): Generated name of rom scripts.
	(CF_SCRIPTS): Adjust.
	(all): Add BDM_CRT0.
	(bdm-crt0.o, bdm-crt1.o): New targets.
	(bdm-isv.o): Remove.
	(m5208evb, m5213evb, m52235evb, m5235evb, m5273c3, m5282evb,
	m5329evb, m5485evb): New.
	(%-bdm.ld, %-rom.ld): New. Replace individual linker script rules.
	(install): Remove DBUG installs.
	* m68k/bdm-crt0.S: New.
	* m68k/bdm-crt1.c: New.
	* m68k/bdm-exit.c: Call __reset.
	* m68k/bdm-isv.c: Remove.
	* m68k/cf.sc: Adjust to produce either rom or ram images.
	* m68k/dbug-exit.S, m68k/dbug-inbyte.S, m68k/dbug-outbyte.S: Remove.

	2006-07-24  Nathan Sidwell  <nathan@codesourcery.com>

	Bug 844
	* m68k/cf.sc: Set entry point to _start.
	* m68k/crt0.X (_start): New name for entrypoint
	(start): Weak alias for start.

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

	* m68k/bdm-system.c (_system): Support system(NULL).

	2006-06-08  Nathan Sidwell  <nathan@codesourcery.com>

	* m68k/bdm-system.c (_system): Properly encode non failure exit
	code.

	2006-06-05  Nathan Sidwell  <nathan@codesourcery.com>

	* m68k/Makefile.in (BDM_SYSOBJS): Remove bdm-inbyte.o.
	Add bdm-time.o.
	* m68k/bdm-close.c: Add copyright notice.
	* m68k/bdm-fstat.c: Add copyright notice.
	* m68k/bdm-gettimeofday.c: Add copyright notice.
	* m68k/bdm-inbyte.c: Remove.
	* m68k/bdm-isatty.c: Add copyright notice.
	* m68k/bdm-lseek.c: Add copyright notice. Fix &/| thinko.
	* m68k/bdm-open.c: Add copyright notice.
	* m68k/bdm-read.c: Add copyright notice.
	* m68k/bdm-rename.c: Add copyright notice.
	* m68k/bdm-stat.c: Add copyright notice.
	* m68k/bdm-system.c: Add copyright notice.
	* m68k/bdm-time.c: New.
	* m68k/bdm-unlink.c: Add copyright notice.
	* m68k/bdm-write.c: Add copyright notice.

	2006-05-25  Nathan Sidwell  <nathan@codesourcery.com>

	* m68k/Makefile.in (m52235-dbug.ld, m52235-bdm.ld): New
	scripts.

	2006-05-24  Nathan Sidwell  <nathan@codesourcery.com>

	* m68k/Makefile.in (BDM_SYSOBJS): Remove bdm-outbyte.o.
	* m68k/bdm-outbyte.c: Delete.
	* m68k/bdm-semihost.h (BDM_OUTBYTE): Mark as obsolete.

	2006-05-22  Sandra Loosemore <sandra@codesourcery.com>

	* m68k/bdm-semihost.h: Add new constants for additional
	semihosting functions.  Add new BDM_TRAP macro to encapsulate
	inline asm.
	* m68k/bdm-exit.c (_exit): Use new BDM_TRAP macro.
	* m68k/bdm-outbyte.c (outbyte): Ditto.
	* m68k/bdm-isrs.c, m68k/bdm-isv.c: Former BDM_TRAP
	now called BDM_TRAPNUM.
	* m68k/bdm-gdb.h, m68k/bdm-gdb.c: New files
	containing declarations and conversion functions for GDB's fileio
	protocol.
	* m68k/bdm-close.c: New file to define corresponding function.
	* m68k/bdm-fstat.c: Ditto.
	* m68k/bdm-gettimeofday.c: Ditto.
	* m68k/bdm-isatty.c: Ditto.
	* m68k/bdm-lseek.c: Ditto.
	* m68k/bdm-open.c: Ditto.
	* m68k/bdm-read.c: Ditto.
	* m68k/bdm-rename.c: Ditto.
	* m68k/bdm-stat.c: Ditto.
	* m68k/bdm-system.c: Ditto.
	* m68k/bdm-unlink.c: Ditto.
	* m68k/bdm-write.c Ditto.
	* m68k/Makefile.in: Add dependencies for new files.

	2006-03-29  Nathan Sidwell  <nathan@codesourcery.com>

	* m68k/bdm-isv.c (software_init_hook): Fix trap numbering.

	* m68k/Makefile.in (CF_SCRIPTS): Add m5329 board.
	Reorder.
	(*-dbug.ld, *-bdm.ld): Add appropriate IO definition.
	(m5329evb-dbug.ld, m5329evb-bdm.ld): New.
	* cf.sc (GROUP): Revert previous change.  Add IO library.

	* 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.
	* m68k/bdm-exit.c: New
	* m68k/bdm-inbyte.c: New
	* m68k/bdm-outbyte.c: New
	* m68k/bdm-semihost.c: New
	* m68k/bdm-semihost.h: New
	* m68k/bdm-isrs.c: New.
	* m68k/bdm-isv.c: New.
	* dbug-cf.sc: Renamed to ...
	* cf.sc: ... here.  Add bdm flexibility. Remove GROUP

	2006-05-22  Sandra Loosemore <sandra@codesourcery.com>

	* m68k/bdm-semihost.h: Add new constants for additional
	semihosting functions.  Add new BDM_TRAP macro to encapsulate
	inline asm.
	* m68k/bdm-exit.c (_exit): Use new BDM_TRAP macro.
	* m68k/bdm-outbyte.c (outbyte): Ditto.
	* m68k/bdm-isrs.c, m68k/bdm-isv.c: Former BDM_TRAP
	now called BDM_TRAPNUM.
	* m68k/bdm-gdb.h, m68k/bdm-gdb.c: New files
	containing declarations and conversion functions for GDB's fileio
	protocol.
	* m68k/bdm-close.c: New file to define corresponding function.
	* m68k/bdm-fstat.c: Ditto.
	* m68k/bdm-gettimeofday.c: Ditto.
	* m68k/bdm-isatty.c: Ditto.
	* m68k/bdm-lseek.c: Ditto.
	* m68k/bdm-open.c: Ditto.
	* m68k/bdm-read.c: Ditto.
	* m68k/bdm-rename.c: Ditto.
	* m68k/bdm-stat.c: Ditto.
	* m68k/bdm-system.c: Ditto.
	* m68k/bdm-unlink.c: Ditto.
	* m68k/bdm-write.c Ditto.
	* m68k/Makefile.in: Add dependencies for new files.

newlib/
	Merge from newlib-csl-20060320-branch:
	2006-05-22  Sandra Loosemore <sandra@codesourcery.com>

	* configure.host: Tell it we have _rename and _system when
	building m68k-unknown-elf.
This commit is contained in:
Kazu Hirata 2006-09-01 05:41:06 +00:00
parent 1202770601
commit c023e783e9
27 changed files with 1515 additions and 106 deletions

View File

@ -1,3 +1,171 @@
2006-09-01 Kazu Hirata <kazu@codesourcery.com>
Merge from newlib-csl-20060320-branch:
2006-08-31 Nathan Sidwell <nathan@codesourcery.com>
* m68k/bdm-crt1.c: Call hardware_init_hook before copying
initialized data.
* m68k/Makefile.in (CF_BDM_SCRIPTS): Rename to CF_RAM_SCRIPTS.
(CF_SCRIPTS): Update.
(%-bdm.ld): Rename to %-ram.ld.
2006-08-25 Nathan Sidwell <nathan@codesourcery.com>
* m68k/Makefile.in (DBUG_BSP, DBUG_OBJS): Remove.
(BDM_CRT0): New.
(BDM_OBJS): Add bdm-crt1.o.
(BDM_OTHER_OBJS): Remove print.o putnum.o
(CF_BOARDS): New.
(CF_BDM_SCRIPTS): Generated name of ram scripts.
(CF_ROM_SCRIPTS): Generated name of rom scripts.
(CF_SCRIPTS): Adjust.
(all): Add BDM_CRT0.
(bdm-crt0.o, bdm-crt1.o): New targets.
(bdm-isv.o): Remove.
(m5208evb, m5213evb, m52235evb, m5235evb, m5273c3, m5282evb,
m5329evb, m5485evb): New.
(%-bdm.ld, %-rom.ld): New. Replace individual linker script rules.
(install): Remove DBUG installs.
* m68k/bdm-crt0.S: New.
* m68k/bdm-crt1.c: New.
* m68k/bdm-exit.c: Call __reset.
* m68k/bdm-isv.c: Remove.
* m68k/cf.sc: Adjust to produce either rom or ram images.
* m68k/dbug-exit.S, m68k/dbug-inbyte.S, m68k/dbug-outbyte.S: Remove.
2006-07-24 Nathan Sidwell <nathan@codesourcery.com>
Bug 844
* m68k/cf.sc: Set entry point to _start.
* m68k/crt0.X (_start): New name for entrypoint
(start): Weak alias for start.
2006-06-09 Nathan Sidwell <nathan@codesourcery.com>
* m68k/bdm-system.c (_system): Support system(NULL).
2006-06-08 Nathan Sidwell <nathan@codesourcery.com>
* m68k/bdm-system.c (_system): Properly encode non failure exit
code.
2006-06-05 Nathan Sidwell <nathan@codesourcery.com>
* m68k/Makefile.in (BDM_SYSOBJS): Remove bdm-inbyte.o.
Add bdm-time.o.
* m68k/bdm-close.c: Add copyright notice.
* m68k/bdm-fstat.c: Add copyright notice.
* m68k/bdm-gettimeofday.c: Add copyright notice.
* m68k/bdm-inbyte.c: Remove.
* m68k/bdm-isatty.c: Add copyright notice.
* m68k/bdm-lseek.c: Add copyright notice. Fix &/| thinko.
* m68k/bdm-open.c: Add copyright notice.
* m68k/bdm-read.c: Add copyright notice.
* m68k/bdm-rename.c: Add copyright notice.
* m68k/bdm-stat.c: Add copyright notice.
* m68k/bdm-system.c: Add copyright notice.
* m68k/bdm-time.c: New.
* m68k/bdm-unlink.c: Add copyright notice.
* m68k/bdm-write.c: Add copyright notice.
2006-05-25 Nathan Sidwell <nathan@codesourcery.com>
* m68k/Makefile.in (m52235-dbug.ld, m52235-bdm.ld): New
scripts.
2006-05-24 Nathan Sidwell <nathan@codesourcery.com>
* m68k/Makefile.in (BDM_SYSOBJS): Remove bdm-outbyte.o.
* m68k/bdm-outbyte.c: Delete.
* m68k/bdm-semihost.h (BDM_OUTBYTE): Mark as obsolete.
2006-05-22 Sandra Loosemore <sandra@codesourcery.com>
* m68k/bdm-semihost.h: Add new constants for additional
semihosting functions. Add new BDM_TRAP macro to encapsulate
inline asm.
* m68k/bdm-exit.c (_exit): Use new BDM_TRAP macro.
* m68k/bdm-outbyte.c (outbyte): Ditto.
* m68k/bdm-isrs.c, m68k/bdm-isv.c: Former BDM_TRAP
now called BDM_TRAPNUM.
* m68k/bdm-gdb.h, m68k/bdm-gdb.c: New files
containing declarations and conversion functions for GDB's fileio
protocol.
* m68k/bdm-close.c: New file to define corresponding function.
* m68k/bdm-fstat.c: Ditto.
* m68k/bdm-gettimeofday.c: Ditto.
* m68k/bdm-isatty.c: Ditto.
* m68k/bdm-lseek.c: Ditto.
* m68k/bdm-open.c: Ditto.
* m68k/bdm-read.c: Ditto.
* m68k/bdm-rename.c: Ditto.
* m68k/bdm-stat.c: Ditto.
* m68k/bdm-system.c: Ditto.
* m68k/bdm-unlink.c: Ditto.
* m68k/bdm-write.c Ditto.
* m68k/Makefile.in: Add dependencies for new files.
2006-03-29 Nathan Sidwell <nathan@codesourcery.com>
* m68k/bdm-isv.c (software_init_hook): Fix trap numbering.
* m68k/Makefile.in (CF_SCRIPTS): Add m5329 board.
Reorder.
(*-dbug.ld, *-bdm.ld): Add appropriate IO definition.
(m5329evb-dbug.ld, m5329evb-bdm.ld): New.
* cf.sc (GROUP): Revert previous change. Add IO library.
* 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.
* m68k/bdm-exit.c: New
* m68k/bdm-inbyte.c: New
* m68k/bdm-outbyte.c: New
* m68k/bdm-semihost.c: New
* m68k/bdm-semihost.h: New
* m68k/bdm-isrs.c: New.
* m68k/bdm-isv.c: New.
* dbug-cf.sc: Renamed to ...
* cf.sc: ... here. Add bdm flexibility. Remove GROUP
2006-05-22 Sandra Loosemore <sandra@codesourcery.com>
* m68k/bdm-semihost.h: Add new constants for additional
semihosting functions. Add new BDM_TRAP macro to encapsulate
inline asm.
* m68k/bdm-exit.c (_exit): Use new BDM_TRAP macro.
* m68k/bdm-outbyte.c (outbyte): Ditto.
* m68k/bdm-isrs.c, m68k/bdm-isv.c: Former BDM_TRAP
now called BDM_TRAPNUM.
* m68k/bdm-gdb.h, m68k/bdm-gdb.c: New files
containing declarations and conversion functions for GDB's fileio
protocol.
* m68k/bdm-close.c: New file to define corresponding function.
* m68k/bdm-fstat.c: Ditto.
* m68k/bdm-gettimeofday.c: Ditto.
* m68k/bdm-isatty.c: Ditto.
* m68k/bdm-lseek.c: Ditto.
* m68k/bdm-open.c: Ditto.
* m68k/bdm-read.c: Ditto.
* m68k/bdm-rename.c: Ditto.
* m68k/bdm-stat.c: Ditto.
* m68k/bdm-system.c: Ditto.
* m68k/bdm-unlink.c: Ditto.
* m68k/bdm-write.c Ditto.
* m68k/Makefile.in: Add dependencies for new files.
2006-08-30 Kazunori Asayama <asayama@sm.sony.co.jp>
* spu/syscalls.c: Add a new argument to _send_to_ppe() to

View File

@ -118,12 +118,32 @@ IDPGDB_BSP= libidpgdb.a
IDPGDB_OBJS= leds.o idp-inbyte.o idp-gdb-outbyte.o mc68ec.o
#
# here's all the DBUG target stuff
# here's all the BDM semihosting stuff
#
DBUG_BSP= libdbug.a
DBUG_OBJS= dbug-exit.o dbug-inbyte.o dbug-outbyte.o
BDM_CRT0= bdm-crt0.o
BDM_BSP= libbdm.a
BDM_OBJS= bdm-crt1.o bdm-semihost.o $(BDM_SYSOBJS) \
$(patsubst %,bdm-%.o,${BDM_ISRS})
BDM_OTHER_OBJS= getpid.o kill.o sbrk.o
BDM_SYSOBJS= bdm-close.o bdm-exit.o bdm-fstat.o bdm-gdb.o \
bdm-gettimeofday.o bdm-isatty.o bdm-lseek.o \
bdm-open.o bdm-read.o bdm-rename.o \
bdm-stat.o bdm-system.o bdm-time.o bdm-unlink.o bdm-write.o
BDM_ISRS= other_interrupt reset access_error address_error \
illegal_instruction divide_by_zero privilege_violation \
trace unimplemented_line_a_opcode unimplemented_line_f_opcode \
non_pc_breakpoint_debug_interrupt pc_breakpoint_debug_interrupt \
format_error spurious_interrupt trap0 trap1 trap2 trap3 trap4 \
trap5 trap6 trap7 trap8 trap9 trap10 trap11 trap12 trap13 trap14 \
trap15 fp_branch_unordered fp_inexact_result fp_divide_by_zero \
fp_underflow fp_operand_error fp_overflow fp_input_not_a_number \
fp_input_denormalized_number unsupported_instruction
CF_SCRIPTS= m5208evb.ld m5213evb.ld m5235evb.ld m5272c3.ld m5282evb.ld
CF_BOARDS := m5208evb m5213evb m52235evb m5235evb m5272c3 m5282evb \
m5329evb m5485evb
CF_RAM_SCRIPTS := $(patsubst %,%-ram.ld,$(CF_BOARDS))
CF_ROM_SCRIPTS := $(patsubst %,%-rom.ld,$(CF_BOARDS))
CF_SCRIPTS= $(CF_RAM_SCRIPTS) $(CF_ROM_SCRIPTS)
# Host specific makefile fragment comes in here.
@host_makefile_frag@
@ -132,7 +152,8 @@ CF_SCRIPTS= m5208evb.ld m5213evb.ld m5235evb.ld m5272c3.ld m5282evb.ld
# build a test program for each target board. Just trying to get
# it to link is a good test, so we ignore all the errors for now.
#
all: ${SIM_CRT0} ${SIM_BSP} ${CRT0} ${BCC_BSP} ${IDP_BSP} ${IDPGDB_BSP} ${MVME135_BSP} ${MVME162_BSP} ${DBUG_BSP} ${CF_SCRIPTS}
all: ${SIM_CRT0} ${SIM_BSP} ${CRT0} ${BCC_BSP} ${IDP_BSP} ${IDPGDB_BSP} \
${MVME135_BSP} ${MVME162_BSP} ${BDM_CRT0} ${BDM_BSP} ${CF_SCRIPTS}
#
# here's where we build the board support packages for each target
@ -153,8 +174,8 @@ ${IDPGDB_BSP}: $(OBJS) ${IDPGDB_OBJS}
${AR} ${ARFLAGS} $@ $(OBJS) ${IDPGDB_OBJS}
${RANLIB} $@
${DBUG_BSP}: $(OBJS) ${DBUG_OBJS}
${AR} ${ARFLAGS} $@ $(OBJS) ${DBUG_OBJS}
${BDM_BSP}: $(BDM_OTHER_OBJS) ${BDM_OBJS}
${AR} ${ARFLAGS} $@ $(BDM_OTHER_OBJS) ${BDM_OBJS}
${RANLIB} $@
${MVME135_BSP}: $(OBJS) ${MVME135_OBJS}
@ -165,20 +186,37 @@ ${MVME162_BSP}: $(OBJS) ${MVME162_OBJS}
${AR} ${ARFLAGS} $@ $(OBJS) ${MVME162_OBJS}
${RANLIB} $@
m5208evb.ld: dbug-cf.sc Makefile
RAMSTART=1024M RAMSIZE=16M RAMDBUG=128K ${SHELL} $< > $@
$(BDM_SYSOBJS): %.o: %.c bdm-semihost.h bdm-gdb.h
$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< -o $@
bdm-crt0.o : bdm-crt0.S
$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< -o $@
bdm-crt1.o : bdm-crt1.c
$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< -o $@
#We need to omit the frame pointer to ensure there is no prologue.
bdm-semihost.o : bdm-semihost.c
$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< -o $@ -fomit-frame-pointer
m5213evb.ld: dbug-cf.sc Makefile
RAMSTART=512M RAMSIZE=32K RAMDBUG=8K ${SHELL} $< > $@
# We need to keep the frame pointer to make sure there's some
# prologue. Otherwise we get confused with the semihosting reoutine.
$(patsubst %,bdm-%.o,${BDM_ISRS}) : bdm-isrs.c
$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< -o $@ \
-DL_$(patsubst bdm-%.o,%,$@) -fno-omit-frame-pointer
m5235evb.ld: dbug-cf.sc Makefile
RAMSTART=0M RAMSIZE=16M RAMDBUG=64K ${SHELL} $< > $@
# RAM ROM
m5208evb := 1024M 16M 0M 2M
m5213evb := 512M 32K 0M 256K
m52235evb := 512M 32K 0M 256K
m5235evb := 0M 16M 0xFFE00000 2M
m5273c3 := 0M 4M 0xFFE00000 2M
m5282evb := 0M 16M 0xFFE00000 2M
m5329evb := 1024M 32M 0M 2M
m5485evb := 0M 64M 1024M 16M
m5272c3.ld: dbug-cf.sc Makefile
RAMSTART=0M RAMSIZE=4M RAMDBUG=128K ${SHELL} $< > $@
m5282evb.ld: dbug-cf.sc Makefile
RAMSTART=0M RAMSIZE=16M RAMDBUG=64K ${SHELL} $< > $@
%-ram.ld : cf.sc Makefile
RAM=$(word 1,$($*)) RAM_SIZE=$(word 2,$($*)) ${SHELL} $< >$@
%-rom.ld : cf.sc Makefile
RAM=$(word 1,$($*)) RAM_SIZE=$(word 2,$($*)) \
ROM=$(word 3,$($*)) ROM_SIZE=$(word 4,$($*)) ${SHELL} $< >$@
leds.o: ${srcdir}/leds.c
$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $<
@ -296,8 +334,10 @@ install:
# install MVME162lx stuff
$(INSTALL_PROGRAM) $(MVME162_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(MVME162_BSP)
$(INSTALL_DATA) ${srcdir}/mvme162.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/mvme162.ld
# install DBUG stuff
$(INSTALL_PROGRAM) $(DBUG_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(DBUG_BSP)
# install BDM stuff
$(INSTALL_PROGRAM) $(BDM_CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(BDM_CRT0)
$(INSTALL_PROGRAM) $(BDM_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(BDM_BSP)
$(INSTALL_DATA) ${srcdir}/sbc5204.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/sbc5204.ld
$(INSTALL_DATA) ${srcdir}/sbc5206.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/sbc5206.ld
for script in $(CF_SCRIPTS) ; \

View File

@ -1,7 +1,7 @@
/*
* dbug-outbyte.S --
* bdm-close.c --
*
* Copyright (c) 1996 Cygnus Support
* 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
@ -14,21 +14,25 @@
* they apply.
*/
#include "asm.h"
.text
.global SYM (outbyte)
.global SYM (putDebugChar)
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <unistd.h>
#include <errno.h>
/*
* outbyte -- sends a byte out the serial port
* d0 - contains the byte to be sent
* close -- close a file descriptor.
* input parameters:
* 0 : file descriptor
* output parameters:
* 0 : result
* 1 : errno
*/
.text
.align 2
SYM (putDebugChar): /* symbol name used by m68k-stub */
SYM (outbyte):
movel sp@(4),d1
movl IMM(0x13),d0
trap IMM(15)
rts
int close (int fd)
{
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) fd;
BDM_TRAP (BDM_CLOSE, (uint32_t)parameters);
errno = convert_from_gdb_errno (parameters[1]);
return parameters[0];
}

85
libgloss/m68k/bdm-crt0.S Normal file
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/* The interrupt table.
*
* 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.
*/
#include "asm.h"
.text
.globl __interrupt_vector
__interrupt_vector:
.long __stack /* 0 */
.long __reset /* 1 */
.long __access_error /* 2 */
.long __address_error /* 3 */
.long __illegal_instruction /* 4 */
.long __divide_by_zero /* 5 */
.long __other_interrupt /* 6 */
.long __other_interrupt /* 7 */
.long __privilege_violation /* 8 */
.long __trace /* 9 */
.long __unimplemented_line_a_opcode /* 10 */
.long __unimplemented_line_f_opcode /* 11 */
.long __non_pc_breakpoint_debug_interrupt /* 12 */
.long __pc_breakpoint_debug_interrupt /* 13 */
.long __format_error /* 14 */
.rept 24 - 15
.long __other_interrupt /* [15,24) */
.endr
.long __spurious_interrupt /* 24 */
.rept 32 - 25
.long __other_interrupt /* [25,32) */
.endr
.long __trap0 /* 32 */
.long __trap1 /* 33 */
.long __trap2 /* 34 */
.long __trap3 /* 35 */
.long __trap4 /* 36 */
.long __trap5 /* 37 */
.long __trap6 /* 38 */
.long __trap7 /* 39 */
.long __trap8 /* 40 */
.long __trap9 /* 41 */
.long __trap10 /* 42 */
.long __trap11 /* 43 */
.long __trap12 /* 44 */
.long __trap13 /* 45 */
.long __trap14 /* 46 */
.long __bdm_semihosting /* 47 */
.long __fp_branch_unordered /* 48 */
.long __fp_inexact_result /* 49 */
.long __fp_divide_by_zero /* 50 */
.long __fp_underflow /* 51 */
.long __fp_operand_error /* 52 */
.long __fp_overflow /* 53 */
.long __fp_input_not_a_number /* 54 */
.long __fp_input_denormalized_number /* 55 */
.rept 61 - 56
.long __other_interrupt /* [56,61) */
.endr
.long __unsupported_instruction /* 61 */
.rept 64 - 62
.long __other_interrupt /* [62,64) */
.endr
.rept 256-64
.long __other_interrupt /* [64,256) */
.endr
.extern __stack
.extern __start1
.globl __start
__start:
/* Initialize stack */
movel IMM(__stack), sp
movel IMM(0), fp
jmp __start1

64
libgloss/m68k/bdm-crt1.c Normal file
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/* Initialization code for coldfire boards.
*
* 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.
*/
#include <stdlib.h>
extern const int __interrupt_vector[];
extern void __reset (void);
extern const char __data_load[] __attribute__ ((aligned (4)));
extern char __data_start[] __attribute__ ((aligned (4)));
extern char __bss_start[] __attribute__ ((aligned (4)));
extern char __end[] __attribute__ ((aligned (4)));
extern void software_init_hook (void) __attribute__ ((weak));
extern void hardware_init_hook (void) __attribute__ ((weak));
extern void __INIT_SECTION__ (void);
extern void __FINI_SECTION__ (void);
extern int main (int, char **, char **);
/* This is called from a tiny assembly stub that just initializes the
stack pointer. */
void __start1 (void)
{
unsigned ix;
if (hardware_init_hook)
hardware_init_hook ();
/* Set the VBR. */
__asm__ __volatile__ ("movec.l %0,%/vbr" :: "r" (__interrupt_vector));
/* Initialize memory */
if (__data_load != __data_start)
memcpy (__data_start, __data_load, __bss_start - __data_start);
memset (__bss_start, 0, __end - __bss_start);
if (software_init_hook)
software_init_hook ();
__INIT_SECTION__ ();
/* I'm not sure how useful it is to have a fini_section in an
embedded system. */
atexit (__FINI_SECTION__);
ix = main (0, NULL, NULL);
exit (ix);
while (1)
__reset ();
}

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@ -1,7 +1,7 @@
/*
* dbug-exit.S --
* bdm-exit.c --
*
* Copyright (c) 1996 Cygnus Support
* 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
@ -14,16 +14,20 @@
* they apply.
*/
#include "asm.h"
#include "bdm-semihost.h"
#include "bdm-gdb.h"
extern void __reset (void);
.text
.global SYM (_exit)
/*
* _exit -- Exit from the application. Normally we cause a user trap
* to return to the ROM monitor for another run.
* _exit -- Exit from the application.
*/
.text
.align 2
SYM (_exit):
moveql IMM(0),d0
trap IMM(15)
void __attribute__ ((noreturn)) _exit (int code)
{
while (1)
{
BDM_TRAP (BDM_EXIT, code);
__reset ();
}
}

44
libgloss/m68k/bdm-fstat.c Normal file
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/*
* bdm-fstat.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
/*
* fstat -- get file information
* input parameters:
* 0 : file descriptor
* 1 : stat buf ptr
* output parameters:
* 0 : result
* 1 : errno
*/
int fstat (int fd, struct stat *buf)
{
gdb_parambuf_t parameters;
struct gdb_stat gbuf;
parameters[0] = (uint32_t) fd;
parameters[1] = (uint32_t) &gbuf;
BDM_TRAP (BDM_FSTAT, (uint32_t)parameters);
convert_from_gdb_stat (&gbuf, buf);
errno = convert_from_gdb_errno (parameters[1]);
return parameters[0];
}

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/*
* bdm support for GDB's remote fileio protocol
*
* 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.
*/
#include "bdm-gdb.h"
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
gdb_mode_t
convert_to_gdb_mode_t (mode_t m)
{
gdb_mode_t result = 0;
if (m & S_IFREG)
result |= GDB_S_IFREG;
if (m & S_IFDIR)
result |= GDB_S_IFDIR;
if (m & S_IRUSR)
result |= GDB_S_IRUSR;
if (m & S_IWUSR)
result |= GDB_S_IWUSR;
if (m & S_IXUSR)
result |= GDB_S_IXUSR;
if (m & S_IRGRP)
result |= GDB_S_IRGRP;
if (m & S_IWGRP)
result |= GDB_S_IWGRP;
if (m & S_IXGRP)
result |= GDB_S_IXGRP;
if (m & S_IROTH)
result |= GDB_S_IROTH;
if (m & S_IWOTH)
result |= GDB_S_IWOTH;
if (m & S_IXOTH)
result |= GDB_S_IXOTH;
return result;
}
int32_t
convert_to_gdb_open_flags (int f)
{
int32_t result = 0;
if (f & O_RDONLY)
result |= GDB_O_RDONLY;
if (f & O_WRONLY)
result |= GDB_O_WRONLY;
if (f & O_RDWR)
result |= GDB_O_RDWR;
if (f & O_APPEND)
result |= GDB_O_APPEND;
if (f & O_CREAT)
result |= GDB_O_CREAT;
if (f & O_TRUNC)
result |= GDB_O_TRUNC;
if (f & O_EXCL)
result |= GDB_O_EXCL;
return result;
}
int32_t
convert_to_gdb_lseek_flags (int f)
{
if (f == SEEK_CUR)
return GDB_SEEK_CUR;
else if (f == SEEK_END)
return GDB_SEEK_END;
else
return GDB_SEEK_SET;
}
void
convert_from_gdb_stat (const struct gdb_stat *gs,
struct stat *s)
{
s->st_dev = gs->st_dev;
s->st_ino = gs->st_ino;
s->st_mode = gs->st_mode;
s->st_nlink = gs->st_nlink;
s->st_uid = gs->st_uid;
s->st_gid = gs->st_gid;
s->st_rdev = gs->st_rdev;
s->st_size = gs->st_size;
s->st_blksize = gs->st_blksize;
s->st_blocks = gs->st_blocks;
s->st_atime = gs->st_atime;
s->st_mtime = gs->st_mtime;
s->st_ctime = gs->st_ctime;
}
void
convert_from_gdb_timeval (const struct gdb_timeval *gt,
struct timeval *t)
{
t->tv_sec = gt->tv_sec;
t->tv_usec = gt->tv_usec;
}
int
convert_from_gdb_errno (int32_t err)
{
switch (err)
{
case 0: return 0;
case GDB_EPERM: return EPERM;
case GDB_ENOENT: return ENOENT;
case GDB_EINTR: return EINTR;
case GDB_EBADF: return EBADF;
case GDB_EACCES: return EACCES;
case GDB_EFAULT: return EFAULT;
case GDB_EBUSY: return EBUSY;
case GDB_EEXIST: return EEXIST;
case GDB_ENODEV: return ENODEV;
case GDB_ENOTDIR: return ENOTDIR;
case GDB_EISDIR: return EISDIR;
case GDB_EINVAL: return EINVAL;
case GDB_ENFILE: return ENFILE;
case GDB_EMFILE: return EMFILE;
case GDB_EFBIG: return EFBIG;
case GDB_ENOSPC: return ENOSPC;
case GDB_ESPIPE: return ESPIPE;
case GDB_EROFS: return EROFS;
case GDB_ENAMETOOLONG: return ENAMETOOLONG;
case GDB_EUNKNOWN:
default:
return EIO;
}
}

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libgloss/m68k/bdm-gdb.h Normal file
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/*
* bdm support for GDB's remote fileio protocol
*
* 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.
*/
#include <stdint.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
/* Protocol specific representation of datatypes, as specified in D.9.11
* of the GDB manual.
* Note that since the m68k is big-endian, we can use native
* representations of integer datatypes in structured datatypes. */
typedef uint32_t gdb_mode_t;
typedef uint32_t gdb_time_t;
struct gdb_stat {
uint32_t st_dev; /* device */
uint32_t st_ino; /* inode */
gdb_mode_t st_mode; /* protection */
uint32_t st_nlink; /* number of hard links */
uint32_t st_uid; /* user ID of owner */
uint32_t st_gid; /* group ID of owner */
uint32_t st_rdev; /* device type (if inode device) */
uint64_t st_size; /* total size, in bytes */
uint64_t st_blksize; /* blocksize for filesystem I/O */
uint64_t st_blocks; /* number of blocks allocated */
gdb_time_t st_atime; /* time of last access */
gdb_time_t st_mtime; /* time of last modification */
gdb_time_t st_ctime; /* time of last change */
};
struct gdb_timeval {
gdb_time_t tv_sec; /* second */
uint64_t tv_usec; /* microsecond */
};
/* Parameters are passed between the library and the debugging stub
* in a fixed-size buffer.
*/
typedef uint32_t gdb_parambuf_t[4];
/* open flags */
#define GDB_O_RDONLY 0x0
#define GDB_O_WRONLY 0x1
#define GDB_O_RDWR 0x2
#define GDB_O_APPEND 0x8
#define GDB_O_CREAT 0x200
#define GDB_O_TRUNC 0x400
#define GDB_O_EXCL 0x800
/* mode_t values */
#define GDB_S_IFREG 0100000
#define GDB_S_IFDIR 040000
#define GDB_S_IRUSR 0400
#define GDB_S_IWUSR 0200
#define GDB_S_IXUSR 0100
#define GDB_S_IRGRP 040
#define GDB_S_IWGRP 020
#define GDB_S_IXGRP 010
#define GDB_S_IROTH 04
#define GDB_S_IWOTH 02
#define GDB_S_IXOTH 01
/* errno values */
#define GDB_EPERM 1
#define GDB_ENOENT 2
#define GDB_EINTR 4
#define GDB_EBADF 9
#define GDB_EACCES 13
#define GDB_EFAULT 14
#define GDB_EBUSY 16
#define GDB_EEXIST 17
#define GDB_ENODEV 19
#define GDB_ENOTDIR 20
#define GDB_EISDIR 21
#define GDB_EINVAL 22
#define GDB_ENFILE 23
#define GDB_EMFILE 24
#define GDB_EFBIG 27
#define GDB_ENOSPC 28
#define GDB_ESPIPE 29
#define GDB_EROFS 30
#define GDB_ENAMETOOLONG 91
#define GDB_EUNKNOWN 9999
/* lseek flags */
#define GDB_SEEK_SET 0
#define GDB_SEEK_CUR 1
#define GDB_SEEK_END 2
/* conversion functions */
extern gdb_mode_t convert_to_gdb_mode_t (mode_t m);
extern int32_t convert_to_gdb_open_flags (int f);
extern int32_t convert_to_gdb_lseek_flags (int f);
extern void convert_from_gdb_stat (const struct gdb_stat *gs,
struct stat *s);
extern void convert_from_gdb_timeval (const struct gdb_timeval *gt,
struct timeval *t);
extern int convert_from_gdb_errno (int32_t err);

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@ -0,0 +1,47 @@
/*
* bdm-gettimeofday.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <sys/time.h>
#include <errno.h>
/*
* gettimeofday -- get the current time
* input parameters:
* 0 : timeval ptr
* output parameters:
* 0 : result
* 1 : errno
*/
int gettimeofday (struct timeval *tv, struct timezone *tz)
{
gdb_parambuf_t parameters;
struct gdb_timeval gtv;
if (!tv)
return 0;
if (tz)
{
errno = EINVAL;
return -1;
}
parameters[0] = (uint32_t) &gtv;
BDM_TRAP (BDM_GETTIMEOFDAY, (uint32_t)parameters);
convert_from_gdb_timeval (&gtv, tv);
errno = convert_from_gdb_errno (parameters[1]);
return parameters[0];
}

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/*
* bdm-isatty.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <unistd.h>
#include <errno.h>
/*
* isatty -- check if fd is a terminal
* input parameters:
* 0 : file descriptor
* output parameters:
* 0 : result
* 1 : errno
*/
int isatty (int fd)
{
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) fd;
BDM_TRAP (BDM_ISATTY, (uint32_t)parameters);
errno = convert_from_gdb_errno (parameters[1]);
return parameters[0];
}

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libgloss/m68k/bdm-isrs.c Normal file
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/*
* bdm-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.
User trap BDM_TRAPNUM (15) is used for semi hosting support.
If you replace this one, semihosting will cease to function. */
/* 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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/*
* bdm-lseek.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
/*
* lseek -- reposition a file descriptor
* input parameters:
* 0 : file descriptor
* 1 : high word of offset
* 2 : low word of offset
* 3 : seek flag
* output parameters:
* 0 : high word of result
* 1 : low word of result
* 2 : errno
*/
off_t lseek (int fd, off_t offset, int whence)
{
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) fd;
parameters[1] = (uint32_t) ((offset >> 32) & 0xffffffff);
parameters[2] = (uint32_t) (offset & 0xffffffff);
parameters[3] = convert_to_gdb_lseek_flags (whence);
BDM_TRAP (BDM_LSEEK, (uint32_t)parameters);
errno = convert_from_gdb_errno (parameters[2]);
return ((uint64_t)parameters[0] << 32) | ((uint64_t)parameters[1]);
}

56
libgloss/m68k/bdm-open.c Normal file
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@ -0,0 +1,56 @@
/*
* bdm-open.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
/*
* open -- Open a file.
* input parameters:
* 0 : fname ptr
* 1 : fname length
* 2 : flags
* 3 : mode
* output parameters:
* 0 : result
* 1 : errno
*/
int open (const char *fname, int flags, ...)
{
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) fname;
parameters[1] = strlen (fname) + 1;
parameters[2] = convert_to_gdb_open_flags (flags);
if (flags & O_CREAT)
{
va_list ap;
va_start (ap, flags);
parameters[3] = convert_to_gdb_mode_t (va_arg (ap, mode_t));
va_end (ap);
}
else
parameters[3] = 0;
BDM_TRAP (BDM_OPEN, (uint32_t)parameters);
errno = convert_from_gdb_errno (parameters[1]);
return parameters[0];
}

42
libgloss/m68k/bdm-read.c Normal file
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@ -0,0 +1,42 @@
/*
* bdm-read.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <unistd.h>
#include <errno.h>
/*
* read -- read from a file descriptor
* input parameters:
* 0 : file descriptor
* 1 : buf ptr
* 2 : count
* output parameters:
* 0 : result
* 1 : errno
*/
ssize_t read (int fd, void *buf, size_t count)
{
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) fd;
parameters[1] = (uint32_t) buf;
parameters[2] = (uint32_t) count;
BDM_TRAP (BDM_READ, (uint32_t)parameters);
errno = convert_from_gdb_errno (parameters[1]);
return parameters[0];
}

View File

@ -0,0 +1,45 @@
/*
* bdm-rename.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
/*
* rename -- rename a file
* input parameters:
* 0 : oldname ptr
* 1 : oldname length
* 2 : newname ptr
* 3 : newname length
* output parameters:
* 0 : result
* 1 : errno
*/
int _rename (const char *oldpath, const char *newpath)
{
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) oldpath;
parameters[1] = (uint32_t) strlen (oldpath) + 1;
parameters[2] = (uint32_t) newpath;
parameters[3] = (uint32_t) strlen (newpath) + 1;
BDM_TRAP (BDM_RENAME, (uint32_t)parameters);
errno = convert_from_gdb_errno (parameters[1]);
return parameters[0];
}

View File

@ -1,7 +1,7 @@
/*
* dbug-inbyte.S --
* bdm-semihost.c --
*
* Copyright (c) 1996 Cygnus Support
* 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
@ -14,21 +14,12 @@
* they apply.
*/
#include "asm.h"
/* Semihosting trap. The debugger intercepts this and
performs the semihosting action. Then the program resumes as
usual. This function must be compiled without a frame pointer, so
we know the halt instruction is the very first instuction. */
.text
.global SYM (inbyte)
.global SYM (getDebugChar)
/*
* inbyte -- get a byte from the serial port
* d0 - contains the byte read in
*/
.text
.align 2
SYM (getDebugChar): /* symbol name used by m68k-stub */
SYM (inbyte):
movel IMM(0x10),d0
trap IMM(15)
movel d1,d0
rts
void __attribute__ ((interrupt_handler)) __bdm_semihosting (void)
{
__asm__ __volatile__ ("halt" ::: "memory");
}

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@ -0,0 +1,57 @@
/*
* bdm semihosting support.
*
* 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.
*/
/* Semihosting uses a user trap handler containing a HALT
instruction. This wakes the debugger to perform some action. */
/* This is the semihosting trap hander */
#define BDM_TRAPNUM 15
/* This register holds the function enumeration for a semihosting
command. */
#define BDM_FUNC_REG "d0"
/* This register holds the argument for the semihosting call. For most
functions, this is a pointer to a block of memory that holds the input
and output parameters for the remote file i/o operation. */
#define BDM_ARG_REG "d1"
/* Codes for BDM_FUNC_REG. */
#define BDM_EXIT 0
#define BDM_PUTCHAR 1 /* Obsolete */
#define BDM_OPEN 2
#define BDM_CLOSE 3
#define BDM_READ 4
#define BDM_WRITE 5
#define BDM_LSEEK 6
#define BDM_RENAME 7
#define BDM_UNLINK 8
#define BDM_STAT 9
#define BDM_FSTAT 10
#define BDM_GETTIMEOFDAY 11
#define BDM_ISATTY 12
#define BDM_SYSTEM 13
/* Here is the macro that generates the trap. */
#define BDM_TRAP(func, arg) \
__asm__ __volatile__ ("move.l %0,%/" BDM_ARG_REG "\n" \
"moveq %1,%/" BDM_FUNC_REG "\n" \
"trap %2" \
:: "rmi" (arg), "n" (func), "n" (BDM_TRAPNUM) \
: BDM_FUNC_REG,BDM_ARG_REG,"memory")

48
libgloss/m68k/bdm-stat.c Normal file
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@ -0,0 +1,48 @@
/*
* bdm-stat.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
/*
* stat -- get file information
* input parameters:
* 0 : filename ptr
* 1 : filename length
* 2 : stat buf ptr
* output parameters:
* 0 : result
* 1 : errno
*/
int stat (const char *filename, struct stat *buf)
{
gdb_parambuf_t parameters;
struct gdb_stat gbuf;
parameters[0] = (uint32_t) filename;
parameters[1] = (uint32_t) strlen (filename) + 1;
parameters[2] = (uint32_t) &gbuf;
BDM_TRAP (BDM_STAT, (uint32_t)parameters);
convert_from_gdb_stat (&gbuf, buf);
errno = convert_from_gdb_errno (parameters[1]);
return parameters[0];
}

View File

@ -0,0 +1,55 @@
/*
* bdm-system.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/wait.h>
/*
* system: execute command on (remote) host
* input parameters:
* 0 : command ptr
* 1 : command length
* output parameters:
* 0 : result
* 1 : errno
*/
int _system (const char *command)
{
int e;
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) command;
parameters[1] = command ? (uint32_t) strlen (command) + 1 : 0;
BDM_TRAP (BDM_SYSTEM, (uint32_t)parameters);
errno = convert_from_gdb_errno (parameters[1]);
e = parameters[0];
if (e >= 0 && command)
{
/* We have to convert e, an exit status to the encoded status of
the command. To avoid hard coding the exit status, we simply
loop until we find the right position. */
int exit_code;
for (exit_code = e; e && WEXITSTATUS (e) != exit_code; e <<= 1)
continue;
}
return e;
}

21
libgloss/m68k/bdm-time.c Normal file
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@ -0,0 +1,21 @@
#include <sys/time.h>
/*
* time -- get the current time
* input parameters:
* 0 : timeval ptr
* output parameters:
* 0 : result
* 1 : errno
*/
time_t time (time_t *t)
{
struct timeval tv;
if (gettimeofday (&tv, NULL))
return -1;
if (t)
*t = tv.tv_sec;
return tv.tv_sec;
}

View File

@ -0,0 +1,41 @@
/*
* bdm-unlink.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
/*
* unlink -- unlink (delete) a file
* input parameters:
* 0 : filename ptr
* 1 : filename length
* output parameters:
* 0 : result
* 1 : errno
*/
int unlink (const char *path)
{
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) path;
parameters[1] = (uint32_t) strlen (path) + 1;
BDM_TRAP (BDM_UNLINK, (uint32_t)parameters);
errno = convert_from_gdb_errno (parameters[1]);
return parameters[0];
}

42
libgloss/m68k/bdm-write.c Normal file
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@ -0,0 +1,42 @@
/*
* bdm-write.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.
*/
#include "bdm-semihost.h"
#include "bdm-gdb.h"
#include <unistd.h>
#include <errno.h>
/*
* write -- write to a file descriptor
* input parameters:
* 0 : file descriptor
* 1 : buf ptr
* 2 : count
* output parameters:
* 0 : result
* 1 : errno
*/
ssize_t write (int fd, const void *buf, size_t count)
{
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) fd;
parameters[1] = (uint32_t) buf;
parameters[2] = (uint32_t) count;
BDM_TRAP (BDM_WRITE, (uint32_t)parameters);
errno = convert_from_gdb_errno (parameters[1]);
return parameters[0];
}

View File

@ -1,46 +1,34 @@
# a linker script template.
# RAMSTART - start of board's ram
# RAMSIZE - size of board's ram
# RAMDBUG - bytes at start of RAM for DBUG use
# RAM - start of board's ram
# RAM_SIZE - size of board's ram
# ROM - start of board's rom
# ROM_SIZE - size of board's rom
test -z "${ROM:+1}" && NOROM=1
cat <<EOF
STARTUP(crt0.o)
STARTUP(bdm-crt0.o)
OUTPUT_ARCH(m68k)
/* DBUG loads SREC files */
/*OUTPUT_FORMAT(srec)*/
ENTRY(start)
ENTRY(__start)
SEARCH_DIR(.)
GROUP(-ldbug -lc -lgcc -ldbug)
GROUP(-lc -lbdm)
__DYNAMIC = 0;
MEMORY
{
ram (rwx) : ORIGIN = ${RAMSTART} + ${RAMDBUG:-0},
LENGTH = ${RAMSIZE} - ${RAMDBUG:-0}
${ROM:+rom (rx) : ORIGIN = ${ROM}, LENGTH = ${ROM_SIZE}}
ram (rwx) : ORIGIN = ${RAM}, LENGTH = ${RAM_SIZE}
}
PROVIDE (__stack = ${RAMSTART} + ${RAMSIZE});
/* Place the stack at the end of memory, unless specified otherwise. */
PROVIDE (__stack = ${RAM} + ${RAM_SIZE});
/*
* Initalize some symbols to be zero so we can reference them in the
* crt0 without core dumping. These functions are all optional, but
* we do this so we can have our crt0 always use them if they exist.
* This is so BSPs work better when using the crt0 installed gcc.
* We have to initalize them twice, so we cover a.out (which prepends
* an underscore) and coff object file formats.
*/
PROVIDE (hardware_init_hook = 0);
PROVIDE (_hardware_init_hook = 0);
PROVIDE (software_init_hook = 0);
PROVIDE (_software_init_hook = 0);
/*
* stick everything in ram (of course)
*/
SECTIONS
{
.text :
{
CREATE_OBJECT_SYMBOLS
bdm-crt0.o(.text)
*(.text .text.*)
. = ALIGN(0x4);
@ -48,11 +36,11 @@ SECTIONS
KEEP (*crtbegin.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
KEEP (*crtend.o(.ctors))
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
KEEP (*crtend.o(.dtors))
*(.rodata .rodata.*)
@ -76,28 +64,33 @@ SECTIONS
SHORT (0x4e5e) /* unlk %fp */
SHORT (0x4e75) /* rts */
_etext = .;
*(.lit)
} > ram
. = ALIGN(4);
_etext = .;
} >${ROM:+rom}${NOROM:+ram}
.data :
{
__data_load = LOADADDR (.data);
__data_start = .;
*(.got.plt) *(.got)
*(.shdata)
*(.data .data.*)
. = ALIGN (4);
_edata = .;
} > ram
} >ram ${ROM:+AT>rom}
.bss :
{
. = ALIGN(0x4);
__bss_start = . ;
*(.shbss)
*(.bss .bss.*)
*(COMMON)
_end = ALIGN (0x8);
. = ALIGN (8);
_end = .;
__end = _end;
} > ram
} >ram ${ROM:+AT>rom}
.stab 0 (NOLOAD) :
{

View File

@ -52,11 +52,17 @@ SYM (environ):
.extern _end
/*
* set things up so the application will run. This *must* be called start.
* Set things up so the application will run. For historical reasons
* this is called 'start'. We set things up to provide '_start'
* as with other systems, but also provide a weak alias called
* 'start' for compatibility with existing linker scripts.
*/
.global SYM (start)
.weak SYM (start)
.set SYM (start),SYM(_start)
SYM (start):
.global SYM (_start)
SYM (_start):
/*
* put any hardware init code here
*/

View File

@ -1,3 +1,11 @@
2006-09-01 Kazu Hirata <kazu@codesourcery.com>
Merge from newlib-csl-20060320-branch:
2006-05-22 Sandra Loosemore <sandra@codesourcery.com>
* configure.host: Tell it we have _rename and _system when
building m68k-unknown-elf.
2006-08-29 Paul Brook <paul@codesourcery.com>
* libc/include/sys/config.h: Define _REENT_SMALL for Thumb-2.

View File

@ -602,6 +602,10 @@ case "${host}" in
m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
newlib_cflags="${newlib_cflags} -DNO_EXEC -DABORT_PROVIDED -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
;;
m68k-unknown-elf)
newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_SYSTEM -DMISSING_SYSCALL_NAMES"
syscall_dir=
;;
mcore-*-*)
syscall_dir=syscalls
;;