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authorSebastian Huber <sebastian.huber@embedded-brains.de>2013-03-19 10:12:06 +0100
committerSebastian Huber <sebastian.huber@embedded-brains.de>2013-03-19 15:15:45 +0100
commit6457fb29ff20698c98f1dede5517d286ac081f8f (patch)
tree0d12c4c90116e5662128432c5ff48578310e028a
parent5f745464fc6e1e0f9da02f62a34ec06e01c445ef (diff)
downloadrtems-6457fb29ff20698c98f1dede5517d286ac081f8f.tar.bz2
bsp/psim: Use shared linkcmds.base
Several GCC tests faild due to the outdated previous linker command file.
-rw-r--r--c/src/lib/libbsp/powerpc/psim/Makefile.am7
-rw-r--r--c/src/lib/libbsp/powerpc/psim/configure.ac3
-rw-r--r--c/src/lib/libbsp/powerpc/psim/preinstall.am8
-rw-r--r--c/src/lib/libbsp/powerpc/psim/start/start.S10
-rw-r--r--c/src/lib/libbsp/powerpc/psim/startup/bspstart.c14
-rw-r--r--c/src/lib/libbsp/powerpc/psim/startup/linkcmds305
6 files changed, 62 insertions, 285 deletions
diff --git a/c/src/lib/libbsp/powerpc/psim/Makefile.am b/c/src/lib/libbsp/powerpc/psim/Makefile.am
index a99f23ee2a..a209a330a0 100644
--- a/c/src/lib/libbsp/powerpc/psim/Makefile.am
+++ b/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 \
diff --git a/c/src/lib/libbsp/powerpc/psim/configure.ac b/c/src/lib/libbsp/powerpc/psim/configure.ac
index 4d6c4535d5..cf628e010d 100644
--- a/c/src/lib/libbsp/powerpc/psim/configure.ac
+++ b/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
diff --git a/c/src/lib/libbsp/powerpc/psim/preinstall.am b/c/src/lib/libbsp/powerpc/psim/preinstall.am
index c046ab6463..044618bbf8 100644
--- a/c/src/lib/libbsp/powerpc/psim/preinstall.am
+++ b/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
diff --git a/c/src/lib/libbsp/powerpc/psim/start/start.S b/c/src/lib/libbsp/powerpc/psim/start/start.S
index 4d4c16ae95..9163226387 100644
--- a/c/src/lib/libbsp/powerpc/psim/start/start.S
+++ b/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:
diff --git a/c/src/lib/libbsp/powerpc/psim/startup/bspstart.c b/c/src/lib/libbsp/powerpc/psim/startup/bspstart.c
index 2689f5a64f..9ae6f7bed7 100644
--- a/c/src/lib/libbsp/powerpc/psim/startup/bspstart.c
+++ b/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
@@ -101,18 +99,12 @@ 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,
- intrStackSize
+ (uintptr_t) bsp_section_work_begin,
+ rtems_configuration_get_interrupt_stack_size()
);
/*
diff --git a/c/src/lib/libbsp/powerpc/psim/startup/linkcmds b/c/src/lib/libbsp/powerpc/psim/startup/linkcmds
index 07e164f572..f9bdce73d1 100644
--- a/c/src/lib/libbsp/powerpc/psim/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/psim/startup/linkcmds
@@ -7,278 +7,43 @@
* http://www.rtems.com/license/LICENSE.
*/
-OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
-OUTPUT_ARCH(powerpc)
-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
+MEMORY {
+ RAM : ORIGIN = 0, LENGTH = 16M
PSIM_REGS : ORIGIN = 0x0c000000, LENGTH = 16M
- VECTORS : ORIGIN = 0xFFF00000, LENGTH = 0x20000
- }
-
-SECTIONS
-{
- .entry_point_section :
- {
- *(.entry_point_section)
- } > VECTORS
-
- /*
- * BSP: PSIM Register Block
- */
- .psim_regs (NOLOAD) : {
- psim_reg*(.text)
- psim_reg*(.data)
- 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 = .);
+ EMPTY : ORIGIN = 0x0, LENGTH = 0
+}
- PROVIDE (RAM_END = 32M);
- .sbss :
- {
- PROVIDE (__sbss_start = .);
- *(.dynsbss)
- *(.sbss* .gnu.linkonce.sb.*)
- PROVIDE (__sbss_end = .);
- } >RAM
- PROVIDE (__SBSS_END__ = .);
+REGION_ALIAS ("REGION_START", RAM);
+REGION_ALIAS ("REGION_FAST_TEXT", RAM);
+REGION_ALIAS ("REGION_FAST_TEXT_LOAD", RAM);
+REGION_ALIAS ("REGION_TEXT", RAM);
+REGION_ALIAS ("REGION_TEXT_LOAD", RAM);
+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);
- .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 = .);
+PROVIDE (PSIM_INSTRUCTIONS_PER_MICROSECOND = 10000);
- /* 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 . */
+SECTIONS {
+ /*
+ * BSP: PSIM Register Block
+ */
+ .psim_regs (NOLOAD) : {
+ psim_reg*(.text)
+ psim_reg*(.data)
+ psim_reg*(.bss)
+ psim_reg*(COMMON)
+ } > PSIM_REGS
}
+
+INCLUDE linkcmds.base