bsp/psim: Use shared linkcmds.base

Several GCC tests faild due to the outdated previous linker command
file.

c/src/lib/libbsp/powerpc/psim/Makefile.am

@@ -10,6 +10,8 @@ include_HEADERS = include/bsp.h
 include_HEADERS += include/tm27.h
 include_HEADERS += include/psim.h
 
+include_bsp_HEADERS = ../shared/include/linker-symbols.h
+
 nodist_include_HEADERS = include/bspopts.h
 nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
 DISTCLEANFILES = include/bspopts.h
@@ -23,6 +25,7 @@ project_lib_DATA = start.$(OBJEXT)
 libbspstart_a_SOURCES += ../../powerpc/shared/start/rtems_crti.S
 project_lib_DATA += rtems_crti.$(OBJEXT)
 
+dist_project_lib_DATA += ../shared/startup/linkcmds.base
 dist_project_lib_DATA += startup/linkcmds
 
 noinst_LIBRARIES += libbsp.a
@@ -32,7 +35,7 @@ libbsp_a_SOURCES =
 libbsp_a_SOURCES += ../../shared/bspclean.c ../../shared/bsplibc.c \
     ../../shared/bsppost.c ../../shared/bsppretaskinghook.c \
     ../../shared/bsppredriverhook.c startup/bspstart.c \
-    ../../powerpc/shared/startup/bspgetworkarea.c ../../shared/bootcard.c \
+    ../../shared/bspgetworkarea.c ../../shared/bootcard.c \
     ../../powerpc/shared/startup/sbrk.c ../../shared/gnatinstallhandler.c \
     startup/psim_registers.c
 
@@ -44,7 +47,7 @@ libbsp_a_SOURCES += ../../shared/console-polled.c
 libbsp_a_SOURCES += console/console-io.c console/consupp.S
 
 # irq
-include_bsp_HEADERS = irq/irq.h ../shared/openpic/openpic.h \
+include_bsp_HEADERS += irq/irq.h ../shared/openpic/openpic.h \
     ../../shared/include/irq-generic.h
 libbsp_a_SOURCES += irq/irq_init.c ../shared/irq/openpic_i8259_irq.c \
     ../shared/openpic/openpic.c ../../shared/src/irq-server.c  \

c/src/lib/libbsp/powerpc/psim/configure.ac

@@ -45,6 +45,9 @@ Note that the policy can still be defined by the application
 CONFIGURE_MALLOC_BSP_SUPPORTS_SBRK this feature is removed
 and a little memory is saved.])
 
+RTEMS_BSPOPTS_SET([BSP_INTERRUPT_STACK_AT_WORK_AREA_BEGIN],[*],[1])
+RTEMS_BSPOPTS_HELP([BSP_INTERRUPT_STACK_AT_WORK_AREA_BEGIN],[indicate that the interrupt stack is at the work area begin])
+
 RTEMS_BSP_CLEANUP_OPTIONS(0, 1, 1)
 
 # Explicitly list all Makefiles here

c/src/lib/libbsp/powerpc/psim/preinstall.am

@@ -49,6 +49,10 @@ $(PROJECT_INCLUDE)/psim.h: include/psim.h $(PROJECT_INCLUDE)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/psim.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/psim.h
 
+$(PROJECT_INCLUDE)/bsp/linker-symbols.h: ../shared/include/linker-symbols.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/linker-symbols.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/linker-symbols.h
+
 $(PROJECT_INCLUDE)/bspopts.h: include/bspopts.h $(PROJECT_INCLUDE)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
@@ -69,6 +73,10 @@ $(PROJECT_LIB)/rtems_crti.$(OBJEXT): rtems_crti.$(OBJEXT) $(PROJECT_LIB)/$(dirst
 	$(INSTALL_DATA) $< $(PROJECT_LIB)/rtems_crti.$(OBJEXT)
 TMPINSTALL_FILES += $(PROJECT_LIB)/rtems_crti.$(OBJEXT)
 
+$(PROJECT_LIB)/linkcmds.base: ../shared/startup/linkcmds.base $(PROJECT_LIB)/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.base
+PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.base
+
 $(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
 PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds

c/src/lib/libbsp/powerpc/psim/start/start.S

@@ -41,10 +41,10 @@ FUNC_NAME(__atexit):			/* tell C's eabi-ctor's we have an atexit function */
 	.long	.LCTOC1			/* address we think .LCTOC1 is loaded at */
 
 .Lbss_start = .-.LCTOC1
-	.long	__bss_start
+	.long	bsp_section_sbss_begin
 
 .Lend = .-.LCTOC1
-	.long	_end
+	.long	bsp_section_bss_end
 
 .Lstack = .-.LCTOC1			/* stack address if set by user */
 	.long	__stack
@@ -132,3 +132,9 @@ FUNC_NAME(bsp_reset):
 
 .Lstart:
 	.size	_start,.Lstart-_start
+
+	/* Start stack area */
+.section ".bsp_rwextra", "aw", @nobits
+.align 4
+.space 4096
+__stack:

c/src/lib/libbsp/powerpc/psim/startup/bspstart.c

@@ -18,6 +18,7 @@
 #include <bsp/irq.h>
 #include <psim.h>
 #include <bsp/bootcard.h>
+#include <bsp/linker-symbols.h>
 #include <rtems/bspIo.h>
 #include <rtems/powerpc/powerpc.h>
 
@@ -77,9 +78,6 @@ void _BSP_Fatal_error(unsigned int v)
  */
 void bsp_start( void )
 {
-  uintptr_t intrStackStart;
-  uintptr_t intrStackSize;
-
   /*
    * Note we can not get CPU identification dynamically.
    * PVR has to be set to PPC_PSIM (0xfffe) from the device
@@ -100,19 +98,13 @@ void bsp_start( void )
    */
   bsp_exceptions_in_RAM = FALSE;
 
-  /*
-   * Initialize the interrupt related settings.
-   */
-  intrStackStart = (uintptr_t) __rtems_end;
-  intrStackSize = rtems_configuration_get_interrupt_stack_size();
-
   /*
    * Initialize default raw exception handlers.
    */
   ppc_exc_initialize(
     PPC_INTERRUPT_DISABLE_MASK_DEFAULT,
-    intrStackStart,
+    (uintptr_t) bsp_section_work_begin,
-    intrStackSize
+    rtems_configuration_get_interrupt_stack_size()
   );
 
   /*

c/src/lib/libbsp/powerpc/psim/startup/linkcmds

@@ -7,40 +7,34 @@
  *  http://www.rtems.com/license/LICENSE.
  */
 
-OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
+MEMORY {
-OUTPUT_ARCH(powerpc)
+	RAM       : ORIGIN = 0, LENGTH = 16M
-ENTRY(_start)
-/* Do we need any of these for elf?
-   __DYNAMIC = 0;    */
-PROVIDE (PSIM_INSTRUCTIONS_PER_MICROSECOND = 10000);
-
-RamBase = DEFINED(RamBase) ? RamBase : 0x0;
-/*
- * make sure device tree (property /openprom/options/oea-memory-size)
- * provides at least 'RamSize'.
- * Also, the BATs must at map at least 'RamSize' (currently, they
- * map 32M -- see startup/bspstart.c).
- * Furthermore, the RAM region must be large enough (there is no
- * disadvantage in making that one very large as long as it doesn't
- * overlap another memory area).
- *
- */
-RamSize = DEFINED(RamSize) ? RamSize : 16M;
-
-MEMORY
-  {
-        RAM       : ORIGIN = 0, LENGTH = 32M
 	PSIM_REGS : ORIGIN = 0x0c000000, LENGTH = 16M
-        VECTORS   : ORIGIN = 0xFFF00000, LENGTH = 0x20000
+	EMPTY     : ORIGIN = 0x0, LENGTH = 0
 }
 
-SECTIONS
+REGION_ALIAS ("REGION_START", RAM);
-{
+REGION_ALIAS ("REGION_FAST_TEXT", RAM);
-  .entry_point_section :
+REGION_ALIAS ("REGION_FAST_TEXT_LOAD", RAM);
-  {
+REGION_ALIAS ("REGION_TEXT", RAM);
-	*(.entry_point_section)
+REGION_ALIAS ("REGION_TEXT_LOAD", RAM);
-  } > VECTORS
+REGION_ALIAS ("REGION_RODATA", RAM);
+REGION_ALIAS ("REGION_RODATA_LOAD", RAM);
+REGION_ALIAS ("REGION_FAST_DATA", RAM);
+REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM);
+REGION_ALIAS ("REGION_DATA", RAM);
+REGION_ALIAS ("REGION_DATA_LOAD", RAM);
+REGION_ALIAS ("REGION_BSS", RAM);
+REGION_ALIAS ("REGION_RWEXTRA", RAM);
+REGION_ALIAS ("REGION_WORK", RAM);
+REGION_ALIAS ("REGION_STACK", RAM);
+REGION_ALIAS ("REGION_NOCACHE", EMPTY);
+REGION_ALIAS ("REGION_NOCACHE_LOAD", EMPTY);
+REGION_ALIAS ("REGION_NVRAM", EMPTY);
 
+PROVIDE (PSIM_INSTRUCTIONS_PER_MICROSECOND = 10000);
+
+SECTIONS {
 	/*
 	 * BSP: PSIM Register Block
 	 */
@@ -50,235 +44,6 @@ SECTIONS
 		psim_reg*(.bss)
 		psim_reg*(COMMON)
 	} > PSIM_REGS
-
-  /* Read-only sections, merged into text segment: */
-  /* . = 0x40000 + SIZEOF_HEADERS; */
-  . = 0x4000;
-  .interp         : { *(.interp) }
-  .hash           : { *(.hash) }
-  .dynsym         : { *(.dynsym) }
-  .dynstr         : { *(.dynstr) }
-  .gnu.version    : { *(.gnu.version) }
-  .gnu.version_d  : { *(.gnu.version_d) }
-  .gnu.version_r  : { *(.gnu.version_r) }
-  .text      :
-  {
-    *(.text*)
-    *(.gnu.linkonce.t.*)
-    *(.descriptors)
-    *(.eh_frame_hdr*)
-    *(.eh_frame*)
-
-    /* .gnu.warning sections are handled specially by elf32.em.  */
-    *(.gnu.warning)
-  } >RAM
-	.robsdsets : {
-		/* Special FreeBSD linker set sections */
-		__start_set_sysctl_set = .;
-		*(set_sysctl_*);
-		__stop_set_sysctl_set = .;
-		*(set_domain_*);
-		*(set_pseudo_*);
-		_bsd__start_set_modmetadata_set = .;
-		*(_bsd_set_modmetadata_set);
-		_bsd__stop_set_modmetadata_set = .;
-		_bsd__start_set_sysctl_set = .;
-		*(_bsd_set_sysctl_set);
-		_bsd__stop_set_sysctl_set = .;
-		_bsd__start_set_sysinit_set = .;
-		*(_bsd_set_sysinit_*);
-		_bsd__stop_set_sysinit_set = .;
-
-		bsp_section_rodata_end = .;
-	} > RAM
-  .init           :
-  {
-    KEEP (*(.init))
-  } >RAM =0
-
-  .rel.dyn        :
-    {
-      *(.rel.init)
-      *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
-      *(.rel.fini)
-      *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
-      *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*)
-      *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
-      *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
-      *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
-      *(.rel.ctors)
-      *(.rel.dtors)
-      *(.rel.got)
-      *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*)
-      *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*)
-      *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*)
-      *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*)
-      *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
-    } >RAM
-  .rela.dyn       :
-    {
-      *(.rela.init)
-      *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
-      *(.rela.fini)
-      *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
-      *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
-      *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
-      *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
-      *(.rela.ctors)
-      *(.rela.dtors)
-      *(.rela.got)
-      *(.rela.got1)
-      *(.rela.got2)
-      *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*)
-      *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*)
-      *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*)
-      *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*)
-      *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
-    } >RAM
-  .rel.plt        : { *(.rel.plt) }
-  .rela.plt       : { *(.rela.plt) }
-
-  .fini           :
-  {
-    _fini = .;
-    KEEP (*(.fini))
-  } >RAM =0
-  .rodata  	  : { *(.rodata*) *(.gnu.linkonce.r*) } >RAM
-  .rodata1	  : { *(.rodata1) 	} >RAM
-  PROVIDE (__FRAME_BEGIN__ = .);
-  PROVIDE (__FRAME_END__ = .);
-  PROVIDE (_etext = .);
-  PROVIDE (etext = .);
-_SDA2_BASE_ = __SDATA2_START__ + 0x8000;
-  .sdata2   	  : { *(.sdata2) *(.gnu.linkonce.s2.*)	} >RAM
-  .sbss2   	  : { *(.sbss2) *(.gnu.linkonce.sb2.*)	} >RAM
-  PROVIDE (__SBSS2_END__ = .);
-  /* Adjust the address for the data segment.  We want to adjust up to
-     the same address within the page on the next page up.  It would
-     be more correct to do this:
-       . = ALIGN(0x40000) + (ALIGN(8) & (0x40000 - 1));
-     The current expression does not correctly handle the case of a
-     text segment ending precisely at the end of a page; it causes the
-     data segment to skip a page.  The above expression does not have
-     this problem, but it will currently (2/95) cause BFD to allocate
-     a single segment, combining both text and data, for this case.
-     This will prevent the text segment from being shared among
-     multiple executions of the program; I think that is more
-     important than losing a page of the virtual address space (note
-     that no actual memory is lost; the page which is skipped can not
-     be referenced).  */
-  /* . =  ALIGN(8) + 0x40000; */
-  .data    :
-  {
-    *(.data .data.* .gnu.linkonce.d.*)
-    SORT(CONSTRUCTORS)
-  } >RAM
-  PROVIDE (__EXCEPT_START__ = .);
-  .gcc_except_table   : { *(.gcc_except_table*) } >RAM
-  PROVIDE (__EXCEPT_END__ = .);
-
-  .data1   	  : { *(.data1) 	} >RAM
-  .got1		  : { *(.got1) 		} >RAM
-  .dynamic	  : { *(.dynamic) 	} >RAM
-  /* Put .ctors and .dtors next to the .got2 section, so that the pointers
-     get relocated with -mrelocatable. Also put in the .fixup pointers.
-     The current compiler no longer needs this, but keep it around for 2.7.2  */
-   PROVIDE (__GOT2_START__ = .);
-   PROVIDE (_GOT2_START_ = .);
-  .got2		  :  { *(.got2) 	} >RAM
-  PROVIDE (__GOT2_END__ = .);
-  PROVIDE (_GOT2_END_ = .);
-
-  PROVIDE (__CTOR_LIST__ = .);
-  .ctors	  : { *(.ctors) 	} >RAM
-  PROVIDE (__CTOR_END__ = .);
-
-  PROVIDE (__DTOR_LIST__ = .);
-  .dtors	  : { *(.dtors) 	} >RAM
-  PROVIDE (__DTOR_END__ = .);
-
-  PROVIDE (__FIXUP_START__ = .);
-  PROVIDE (_FIXUP_START_ = .);
-  .fixup	  : { *(.fixup) 	} >RAM
-  PROVIDE (_FIXUP_END_ = .);
-  PROVIDE (__FIXUP_END__ = .);
-
-  .jcr            : { KEEP (*(.jcr))	} > RAM
-
-  PROVIDE (__GOT_START__ = .);
-  PROVIDE (_GOT_START_ = .);
-  s.got = .;
-  .got		  : { *(.got) 		} >RAM
-  .got.plt	  : { *(.got.plt) 	} >RAM
-  PROVIDE (_GOT_END_ = .);
-  PROVIDE (__GOT_END__ = .);
-
-  /* We want the small data sections together, so single-instruction offsets
-     can access them all, and initialized data all before uninitialized, so
-     we can shorten the on-disk segment size.  */
-_SDA_BASE_ = __SDATA_START__ + 0x8000;
-  .sdata	  : { *(.sdata*) *(.gnu.linkonce.s.*)	} >RAM
-  _edata  =  .;
-  PROVIDE (edata = .);
-
-  PROVIDE (RAM_END = 32M);
-  .sbss      :
-  {
-    PROVIDE (__sbss_start = .);
-    *(.dynsbss)
-    *(.sbss* .gnu.linkonce.sb.*)
-    PROVIDE (__sbss_end = .);
-  } >RAM
-  PROVIDE (__SBSS_END__ = .);
-
-  .bss       :
-  {
-   PROVIDE (__bss_start = .);
-   *(.dynbss)
-   *(.bss .bss* .gnu.linkonce.b*)
-   *(COMMON)
-  } >RAM
-  . = ALIGN(16);
-  . += 0x1000;
-  PROVIDE(__stack = .);
-  __rtems_end = . ;
-  . =  ALIGN(8) + 0x8000;
-  PROVIDE(_end = .);
-  PROVIDE(end = .);
-
-  /* These are needed for ELF backends which have not yet been
-     converted to the new style linker.  */
-  .stab 0 : { *(.stab) }
-  .stabstr 0 : { *(.stabstr) }
-  /* DWARF debug sections.
-     Symbols in the DWARF debugging sections are relative to the beginning
-     of the section so we begin them at 0.  */
-  /* DWARF 1 */
-  .debug          0 : { *(.debug) }
-  .line           0 : { *(.line) }
-  /* GNU DWARF 1 extensions */
-  .debug_srcinfo  0 : { *(.debug_srcinfo) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  /* DWARF 1.1 and DWARF 2 */
-  .debug_aranges  0 : { *(.debug_aranges) }
-  .debug_pubnames 0 : { *(.debug_pubnames) }
-  /* DWARF 2 */
-  .debug_info     0 : { *(.debug_info) }
-  .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line) }
-  .debug_frame    0 : { *(.debug_frame) }
-  .debug_str      0 : { *(.debug_str) }
-  .debug_loc      0 : { *(.debug_loc) }
-  .debug_macinfo  0 : { *(.debug_macinfo) }
-  /* SGI/MIPS DWARF 2 extensions */
-  .debug_weaknames 0 : { *(.debug_weaknames) }
-  .debug_funcnames 0 : { *(.debug_funcnames) }
-  .debug_typenames 0 : { *(.debug_typenames) }
-  .debug_varnames  0 : { *(.debug_varnames) }
-  /* DWARF 3 */
-  .debug_pubtypes 0 : { *(.debug_pubtypes .zdebug_pubtypes) }
-  .debug_ranges   0 : { *(.debug_ranges .zdebug_ranges) }
-  /* DWARF extension */
-  .debug_macro    0 : { *(.debug_macro) }
-  /* These must appear regardless of  .  */
 }
+
+INCLUDE linkcmds.base