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authorKazu Hirata <kazu@codesourcery.com>2006-09-01 05:41:06 +0000
committerKazu Hirata <kazu@codesourcery.com>2006-09-01 05:41:06 +0000
commitc023e783e91748c9f1a8d6d19d98130c55389a3c (patch)
treeaf939ae3f785a4bca156931a8e7736d6ade7ba8b /libgloss/m68k/cf.sc
parent1202770601a3d1eff4901fcccf70ad9943e38dc0 (diff)
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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.
Diffstat (limited to 'libgloss/m68k/cf.sc')
-rw-r--r--libgloss/m68k/cf.sc105
1 files changed, 105 insertions, 0 deletions
diff --git a/libgloss/m68k/cf.sc b/libgloss/m68k/cf.sc
new file mode 100644
index 000000000..b19dce4ce
--- /dev/null
+++ b/libgloss/m68k/cf.sc
@@ -0,0 +1,105 @@
+# a linker script template.
+# 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(bdm-crt0.o)
+OUTPUT_ARCH(m68k)
+ENTRY(__start)
+SEARCH_DIR(.)
+GROUP(-lc -lbdm)
+__DYNAMIC = 0;
+
+MEMORY
+{
+ ${ROM:+rom (rx) : ORIGIN = ${ROM}, LENGTH = ${ROM_SIZE}}
+ ram (rwx) : ORIGIN = ${RAM}, LENGTH = ${RAM_SIZE}
+}
+
+/* Place the stack at the end of memory, unless specified otherwise. */
+PROVIDE (__stack = ${RAM} + ${RAM_SIZE});
+
+SECTIONS
+{
+ .text :
+ {
+ CREATE_OBJECT_SYMBOLS
+ bdm-crt0.o(.text)
+ *(.text .text.*)
+
+ . = ALIGN(0x4);
+ /* These are for running static constructors and destructors under ELF. */
+ KEEP (*crtbegin.o(.ctors))
+ KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+ KEEP (*(SORT(.ctors.*)))
+ KEEP (*crtend.o(.ctors))
+ KEEP (*crtbegin.o(.dtors))
+ KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+ KEEP (*(SORT(.dtors.*)))
+ KEEP (*crtend.o(.dtors))
+
+ *(.rodata .rodata.*)
+
+ . = ALIGN(0x4);
+ *(.gcc_except_table)
+
+ . = ALIGN(0x4);
+ *(.eh_frame)
+
+ . = ALIGN(0x4);
+ __INIT_SECTION__ = . ;
+ LONG (0x4e560000) /* linkw %fp,#0 */
+ *(.init)
+ SHORT (0x4e5e) /* unlk %fp */
+ SHORT (0x4e75) /* rts */
+
+ . = ALIGN(0x4);
+ __FINI_SECTION__ = . ;
+ LONG (0x4e560000) /* linkw %fp,#0 */
+ *(.fini)
+ SHORT (0x4e5e) /* unlk %fp */
+ SHORT (0x4e75) /* rts */
+
+ *(.lit)
+
+ . = ALIGN(4);
+ _etext = .;
+ } >${ROM:+rom}${NOROM:+ram}
+
+ .data :
+ {
+ __data_load = LOADADDR (.data);
+ __data_start = .;
+ *(.got.plt) *(.got)
+ *(.shdata)
+ *(.data .data.*)
+ . = ALIGN (4);
+ _edata = .;
+ } >ram ${ROM:+AT>rom}
+
+ .bss :
+ {
+ __bss_start = . ;
+ *(.shbss)
+ *(.bss .bss.*)
+ *(COMMON)
+ . = ALIGN (8);
+ _end = .;
+ __end = _end;
+ } >ram ${ROM:+AT>rom}
+
+ .stab 0 (NOLOAD) :
+ {
+ *(.stab)
+ }
+
+ .stabstr 0 (NOLOAD) :
+ {
+ *(.stabstr)
+ }
+}
+EOF