[PATCH 01/17] bsp/riscv_generic: New linker command file

Sebastian Huber sebastian.huber at embedded-brains.de
Fri Jun 22 11:58:58 UTC 2018


This linker command file is based on the "riscv64-rtems5-ld --verbose"
output.

Update #3433.
---
 bsps/riscv/riscv_generic/console/console-io.c    |   1 +
 bsps/riscv/riscv_generic/start/linkcmds          | 342 +-------------------
 bsps/riscv/riscv_generic/start/linkcmds.base     | 385 +++++++++++++++++++++++
 bsps/riscv/riscv_generic/start/start.S           |   4 +-
 c/src/lib/libbsp/riscv/riscv_generic/Makefile.am |   1 +
 5 files changed, 392 insertions(+), 341 deletions(-)
 create mode 100644 bsps/riscv/riscv_generic/start/linkcmds.base

diff --git a/bsps/riscv/riscv_generic/console/console-io.c b/bsps/riscv/riscv_generic/console/console-io.c
index ded68ef7d2..a300e11753 100644
--- a/bsps/riscv/riscv_generic/console/console-io.c
+++ b/bsps/riscv/riscv_generic/console/console-io.c
@@ -44,6 +44,7 @@
 
 volatile uint64_t tohost __attribute__((section(".htif")));
 volatile uint64_t fromhost __attribute__((section(".htif")));
+volatile uint64_t riscv_fill_up_htif_section[510] __attribute__((section(".htif")));
 volatile int htif_console_buf;
 
 static void __check_fromhost()
diff --git a/bsps/riscv/riscv_generic/start/linkcmds b/bsps/riscv/riscv_generic/start/linkcmds
index 9f71b66aa2..7bcf657341 100644
--- a/bsps/riscv/riscv_generic/start/linkcmds
+++ b/bsps/riscv/riscv_generic/start/linkcmds
@@ -1,13 +1,4 @@
-/**
- * @file
- *
- * @ingroup bsp_linker
- *
- * @brief Memory map
- */
-
 /*
- *
  * Copyright (c) 2015 University of York.
  * Hesham ALMatary <hmka501 at york.ac.uk>
  *
@@ -33,348 +24,23 @@
  * SUCH DAMAGE.
  */
 
-OUTPUT_ARCH (riscv)
-
-ENTRY (_start)
-STARTUP (start.o)
-
 MEMORY
 {
   RAM    : ORIGIN = 0x0000000010000000, LENGTH = 0x10000000
 }
 
-REGION_ALIAS ("REGION_VECTOR", RAM);
 REGION_ALIAS ("REGION_START", RAM);
 REGION_ALIAS ("REGION_TEXT", RAM);
 REGION_ALIAS ("REGION_TEXT_LOAD", RAM);
+REGION_ALIAS ("REGION_FAST_TEXT", RAM);
+REGION_ALIAS ("REGION_FAST_TEXT_LOAD", RAM);
 REGION_ALIAS ("REGION_RODATA", RAM);
 REGION_ALIAS ("REGION_RODATA_LOAD", RAM);
 REGION_ALIAS ("REGION_DATA", RAM);
 REGION_ALIAS ("REGION_DATA_LOAD", RAM);
-REGION_ALIAS ("REGION_HTIF", RAM);
-REGION_ALIAS ("REGION_HTIF_LOAD", RAM);
 REGION_ALIAS ("REGION_FAST_DATA", RAM);
 REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM);
-REGION_ALIAS ("REGION_BSS", RAM);
+REGION_ALIAS ("REGION_RTEMSSTACK", RAM);
 REGION_ALIAS ("REGION_WORK", RAM);
-REGION_ALIAS ("REGION_STACK", RAM);
-
-/*
- * Global symbols that may be defined externally
- */
-bsp_vector_table_size = DEFINED (bsp_vector_table_size) ? bsp_vector_table_size : 64;
-
-bsp_section_xbarrier_align  = DEFINED (bsp_section_xbarrier_align) ? bsp_section_xbarrier_align : 1;
-bsp_section_robarrier_align = DEFINED (bsp_section_robarrier_align) ? bsp_section_robarrier_align : 1;
-bsp_section_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ? bsp_section_rwbarrier_align : 1;
-
-bsp_stack_align = DEFINED (bsp_stack_align) ? bsp_stack_align : 16;
-
-bsp_stack_main_size = DEFINED (bsp_stack_main_size) ? bsp_stack_main_size : 4096;
-bsp_stack_main_size = ALIGN (bsp_stack_main_size, bsp_stack_align);
-
-SECTIONS {
-
-  .vector :
-  {
-    . = ALIGN(8);
-    bsp_section_vector_begin = .;
-    *(.vector)
-    . = ALIGN(bsp_vector_table_size);
-    bsp_section_vector_end = .;
-  } > REGION_VECTOR AT > REGION_VECTOR
-  bsp_section_vector_size = bsp_section_vector_end - bsp_section_vector_begin;
-  bsp_vector_table_begin = bsp_section_vector_begin;
-  bsp_vector_table_end = bsp_vector_table_begin + bsp_vector_table_size;
 
-  .start :
-  {
-    . = ALIGN(8);
-    bsp_section_start_begin = .;
-    KEEP (*(.bsp_start_text))
-    KEEP (*(.bsp_start_data))
-    bsp_section_start_end = .;
-  } > REGION_START AT > REGION_START
-  bsp_section_start_size = bsp_section_start_end - bsp_section_start_begin;
-
-.xbarrier :   {
-    . = ALIGN (bsp_section_xbarrier_align);
-  } > REGION_VECTOR AT > REGION_VECTOR
-
-.text :   {
-    . = ALIGN(8);
-    bsp_section_text_begin = .;
-    *(.text.unlikely .text.*_unlikely)
-    *(.text .stub .text.* .gnu.linkonce.t.*)
-    /* .gnu.warning sections are handled specially by elf32.em.  */
-    *(.gnu.warning)
-    *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
-  } > REGION_TEXT AT > REGION_TEXT_LOAD
-  .init :   {
-    KEEP (*(.init))
-  } > REGION_TEXT AT > REGION_TEXT_LOAD
-  .fini :   {
-    KEEP (*(.fini))
-    . = ALIGN(8);
-    bsp_section_text_end = .;
-  } > REGION_TEXT AT > REGION_TEXT_LOAD
-  bsp_section_text_size = bsp_section_text_end - bsp_section_text_begin;
-  bsp_section_text_load_begin = LOADADDR (.text);
-  bsp_section_text_load_end = bsp_section_text_load_begin + bsp_section_text_size;
-
-.robarrier :   {
-    . = ALIGN (bsp_section_robarrier_align);
-  } > REGION_RODATA AT > REGION_RODATA
-
-.rodata :   {
-    . = ALIGN(8);
-    bsp_section_rodata_begin = .;
-    *(.rodata .rodata.* .gnu.linkonce.r.*)
-  } > REGION_RODATA AT > REGION_RODATA_LOAD
-.eh_frame :   {
-               KEEP (*(.eh_frame))
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .gcc_except_table :   {
-               *(.gcc_except_table .gcc_except_table.*)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .tdata :   {
-               _TLS_Data_begin = .;
-               *(.tdata .tdata.* .gnu.linkonce.td.*)
-               _TLS_Data_end = .;
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .tbss :   {
-               _TLS_BSS_begin = .;
-               *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
-               _TLS_BSS_end = .;
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
-       _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
-       _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
-       _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
-       _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
-       _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
-       .preinit_array :   {
-               PROVIDE_HIDDEN (__preinit_array_start = .);
-               KEEP (*(.preinit_array))
-               PROVIDE_HIDDEN (__preinit_array_end = .);
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .init_array :   {
-               PROVIDE_HIDDEN (__init_array_start = .);
-               KEEP (*(SORT(.init_array.*)))
-               KEEP (*(.init_array))
-               PROVIDE_HIDDEN (__init_array_end = .);
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .fini_array :   {
-               PROVIDE_HIDDEN (__fini_array_start = .);
-               KEEP (*(.fini_array))
-               KEEP (*(SORT(.fini_array.*)))
-               PROVIDE_HIDDEN (__fini_array_end = .);
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .ctors :   {
-               /* gcc uses crtbegin.o to find the start of
-                  the constructors, so we make sure it is
-                  first.  Because this is a wildcard, it
-                  doesn't matter if the user does not
-                  actually link against crtbegin.o; the
-                  linker won't look for a file to match a
-                  wildcard.  The wildcard also means that it
-                  doesn't matter which directory crtbegin.o
-                  is in.  */
-               KEEP (*crtbegin.o(.ctors))
-               KEEP (*crtbegin?.o(.ctors))
-               /* We don't want to include the .ctor section from
-                  the crtend.o file until after the sorted ctors.
-                  The .ctor section from the crtend file contains the
-                  end of ctors marker and it must be last */
-               KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
-               KEEP (*(SORT(.ctors.*)))
-               KEEP (*(.ctors))
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .dtors :   {
-               KEEP (*crtbegin.o(.dtors))
-               KEEP (*crtbegin?.o(.dtors))
-               KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
-               KEEP (*(SORT(.dtors.*)))
-               KEEP (*(.dtors))
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .data.rel.ro :   {
-               *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*)
-               *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .jcr :   {
-               KEEP (*(.jcr))
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .interp :   {
-               *(.interp)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .note.gnu.build-id :   {
-               *(.note.gnu.build-id)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .hash :   {
-               *(.hash)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .gnu.hash :   {
-               *(.gnu.hash)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .dynsym :   {
-               *(.dynsym)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .dynstr :   {
-               *(.dynstr)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .gnu.version :   {
-               *(.gnu.version)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .gnu.version_d :   {
-               *(.gnu.version_d)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .gnu.version_r :   {
-               *(.gnu.version_r)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .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.bss .rel.bss.* .rel.gnu.linkonce.b.*)
-               PROVIDE_HIDDEN (__rel_iplt_start = .);
-               *(.rel.iplt)
-               PROVIDE_HIDDEN (__rel_iplt_end = .);
-               PROVIDE_HIDDEN (__rela_iplt_start = .);
-               PROVIDE_HIDDEN (__rela_iplt_end = .);
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .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.bss .rela.bss.* .rela.gnu.linkonce.b.*)
-               PROVIDE_HIDDEN (__rel_iplt_start = .);
-               PROVIDE_HIDDEN (__rel_iplt_end = .);
-               PROVIDE_HIDDEN (__rela_iplt_start = .);
-               *(.rela.iplt)
-               PROVIDE_HIDDEN (__rela_iplt_end = .);
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .rel.plt :   {
-               *(.rel.plt)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .rela.plt :   {
-               *(.rela.plt)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .plt :   {
-               *(.plt)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .iplt :   {
-               *(.iplt)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .dynamic :   {
-               *(.dynamic)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .got :   {
-               *(.got.plt) *(.igot.plt) *(.got) *(.igot)
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-       .rtemsroset :   {
-               /* Special FreeBSD linker set sections */
-               __start_set_sysctl_set = .;
-               *(set_sysctl_*);
-               __stop_set_sysctl_set = .;
-               *(set_domain_*);
-               *(set_pseudo_*);
-
-               KEEP (*(SORT(.rtemsroset.*)))
-               . = ALIGN(8);
-               bsp_section_rodata_end = .;
-       } > REGION_RODATA AT > REGION_RODATA_LOAD
-  bsp_section_rodata_size = bsp_section_rodata_end - bsp_section_rodata_begin;
-  bsp_section_rodata_load_begin = LOADADDR (.rodata);
-  bsp_section_rodata_load_end = bsp_section_rodata_load_begin + bsp_section_rodata_size;
-
-  /*--------------------------------------------------------------------*/
-  /* HTIF, isolated onto separate page                                  */
-  /*--------------------------------------------------------------------*/
-  .htif :
-  {
-    . = ALIGN(0x1000);
-    *(.htif)
-    . = ALIGN(0x1000);
-  } > REGION_HTIF AT > REGION_HTIF_LOAD
-
-
-  .rwbarrier : {
-    . = ALIGN(8);
-    . = ALIGN (bsp_section_rwbarrier_align);
-  } > REGION_DATA AT > REGION_DATA
-
-.data :   {
-    . = ALIGN(8);
-    bsp_section_data_begin = .;
-    *(.data .data.* .gnu.linkonce.d.*)
-    SORT(CONSTRUCTORS)
-  } > REGION_DATA AT > REGION_DATA_LOAD
-  .data1 :   {
-    *(.data1)
-  } > REGION_DATA AT > REGION_DATA_LOAD
-  .rtemsrwset :   {
-    KEEP (*(SORT(.rtemsrwset.*)))
-    . = ALIGN(8);
-    bsp_section_data_end = .;
-  } > REGION_DATA AT > REGION_DATA_LOAD
-  bsp_section_data_size = bsp_section_data_end - bsp_section_data_begin;
-  bsp_section_data_load_begin = LOADADDR (.data);
-  bsp_section_data_load_end = bsp_section_data_load_begin + bsp_section_data_size;
-
-  .bss :   {
-    . = ALIGN(8);
-    bsp_section_bss_begin = .;
-    *(.dynbss)
-    *(.bss .bss.* .gnu.linkonce.b.*)
-    *(COMMON)
-    . = ALIGN(8);
-    bsp_section_bss_end = .;
-  } > REGION_BSS AT > REGION_BSS
-  bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_begin;
-
-  .rtemsstack (NOLOAD) : {
-    *(SORT(.rtemsstack.*))
-  } > REGION_WORK AT > REGION_WORK
-
-.work :   {
-    /*
-     * The work section will occupy the remaining REGION_WORK region and
-     * contains the RTEMS work space and heap.
-     */
-    . = ALIGN(8);
-    bsp_section_work_begin = .;
-    . += ORIGIN (REGION_WORK) + LENGTH (REGION_WORK) - ABSOLUTE (.);
-    . = ALIGN(8);
-    bsp_section_work_end = .;
-  } > REGION_WORK AT > REGION_WORK
-  bsp_section_work_size = bsp_section_work_end - bsp_section_work_begin;
-
-  .stack :   {
-    . = ALIGN(8);
-    bsp_section_stack_begin = .;
-    . += ORIGIN (REGION_STACK) + LENGTH (REGION_STACK) - ABSOLUTE (.);
-    . = ALIGN(8);
-    bsp_section_stack_end = .;
-  } > REGION_STACK AT > REGION_STACK
-  bsp_section_stack_size = bsp_section_stack_begin - bsp_section_stack_end;
-
-  RamBase = ORIGIN (REGION_WORK);
-  RamSize = LENGTH (REGION_WORK);
-  WorkAreaBase = bsp_section_work_begin;
-  HeapSize = 0;
-}
+INCLUDE linkcmds.base
diff --git a/bsps/riscv/riscv_generic/start/linkcmds.base b/bsps/riscv/riscv_generic/start/linkcmds.base
new file mode 100644
index 0000000000..7d889ab38c
--- /dev/null
+++ b/bsps/riscv/riscv_generic/start/linkcmds.base
@@ -0,0 +1,385 @@
+/* Copyright (C) 2014-2018 Free Software Foundation, Inc.
+   Copying and distribution of this script, with or without modification,
+   are permitted in any medium without royalty provided the copyright
+   notice and this notice are preserved.  */
+
+/*
+ * Copyright (c) 2018 embedded brains GmbH.
+ *
+ * Copyright (c) 2015 University of York.
+ * Hesham ALMatary <hmka501 at york.ac.uk>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+OUTPUT_ARCH(riscv)
+ENTRY(_start)
+STARTUP(start.o)
+
+bsp_section_robarrier_align = DEFINED (bsp_section_robarrier_align) ? bsp_section_robarrier_align : 1;
+bsp_section_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ? bsp_section_rwbarrier_align : 1;
+
+MEMORY {
+	UNEXPECTED_SECTIONS : ORIGIN = 0xffffffff, LENGTH = 0
+}
+
+SECTIONS {
+	.start : ALIGN_WITH_INPUT {
+		bsp_section_start_begin = .;
+		KEEP (*(.bsp_start_text))
+		KEEP (*(.bsp_start_data))
+		bsp_section_start_end = .;
+	} > REGION_START AT > REGION_START
+	bsp_section_start_size = bsp_section_start_end - bsp_section_start_begin;
+
+	.text : ALIGN_WITH_INPUT {
+		bsp_section_text_begin = .;
+		*(.text.unlikely .text.*_unlikely .text.unlikely.*)
+		*(.text.exit .text.exit.*)
+		*(.text.startup .text.startup.*)
+		*(.text.hot .text.hot.*)
+		*(.text .stub .text.* .gnu.linkonce.t.*)
+		/* .gnu.warning sections are handled specially by elf32.em.	*/
+		*(.gnu.warning)
+	} > REGION_TEXT AT > REGION_TEXT_LOAD
+	.init : ALIGN_WITH_INPUT {
+		KEEP (*(SORT_NONE(.init)))
+	} > REGION_TEXT AT > REGION_TEXT_LOAD
+	.fini : ALIGN_WITH_INPUT {
+		KEEP (*(SORT_NONE(.fini)))
+		bsp_section_text_end = .;
+	} > REGION_TEXT AT > REGION_TEXT_LOAD
+	bsp_section_text_size = bsp_section_text_end - bsp_section_text_begin;
+	bsp_section_text_load_begin = LOADADDR (.text);
+	bsp_section_text_load_end = bsp_section_text_load_begin + bsp_section_text_size;
+
+	.robarrier : ALIGN_WITH_INPUT {
+		. = ALIGN (bsp_section_robarrier_align);
+	} > REGION_RODATA AT > REGION_RODATA
+
+	.rodata : ALIGN_WITH_INPUT {
+		bsp_section_rodata_begin = .;
+		*(.rodata .rodata.* .gnu.linkonce.r.*)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.rodata1 : ALIGN_WITH_INPUT {
+		*(.rodata1)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.sdata2 : ALIGN_WITH_INPUT {
+		*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.sbss2 : ALIGN_WITH_INPUT {
+		*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.eh_frame_hdr : ALIGN_WITH_INPUT {
+		*(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.eh_frame : ALIGN_WITH_INPUT {
+		KEEP (*(.eh_frame)) *(.eh_frame.*)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.gcc_except_table : ALIGN_WITH_INPUT {
+		*(.gcc_except_table .gcc_except_table.*)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.gnu_extab : ALIGN_WITH_INPUT {
+		*(.gnu_extab*)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.tdata : ALIGN_WITH_INPUT {
+		_TLS_Data_begin = .;
+		*(.tdata .tdata.* .gnu.linkonce.td.*)
+		_TLS_Data_end = .;
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.tbss : ALIGN_WITH_INPUT {
+		_TLS_BSS_begin = .;
+		*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+		_TLS_BSS_end = .;
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	_TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+	_TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
+	_TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
+	_TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+	_TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+	_TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
+	.preinit_array : ALIGN_WITH_INPUT {
+		PROVIDE_HIDDEN (__preinit_array_start = .);
+		KEEP (*(.preinit_array))
+		PROVIDE_HIDDEN (__preinit_array_end = .);
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.init_array : ALIGN_WITH_INPUT {
+		PROVIDE_HIDDEN (__init_array_start = .);
+		KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
+		KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
+		PROVIDE_HIDDEN (__init_array_end = .);
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.fini_array : ALIGN_WITH_INPUT {
+		PROVIDE_HIDDEN (__fini_array_start = .);
+		KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
+		KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
+		PROVIDE_HIDDEN (__fini_array_end = .);
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.ctors : ALIGN_WITH_INPUT {
+		/* gcc uses crtbegin.o to find the start of
+			 the constructors, so we make sure it is
+			 first.	Because this is a wildcard, it
+			 doesn't matter if the user does not
+			 actually link against crtbegin.o; the
+			 linker won't look for a file to match a
+			 wildcard.	The wildcard also means that it
+			 doesn't matter which directory crtbegin.o
+			 is in.	*/
+		KEEP (*crtbegin.o(.ctors))
+		KEEP (*crtbegin?.o(.ctors))
+		/* We don't want to include the .ctor section from
+			 the crtend.o file until after the sorted ctors.
+			 The .ctor section from the crtend file contains the
+			 end of ctors marker and it must be last */
+		KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
+		KEEP (*(SORT(.ctors.*)))
+		KEEP (*(.ctors))
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.dtors : ALIGN_WITH_INPUT {
+		KEEP (*crtbegin.o(.dtors))
+		KEEP (*crtbegin?.o(.dtors))
+		KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
+		KEEP (*(SORT(.dtors.*)))
+		KEEP (*(.dtors))
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.data.rel.ro : ALIGN_WITH_INPUT {
+		*(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*)
+		*(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.jcr : ALIGN_WITH_INPUT {
+		KEEP (*(.jcr))
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.interp : ALIGN_WITH_INPUT {
+		*(.interp)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.note.gnu.build-id : { *(.note.gnu.build-id)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.hash : ALIGN_WITH_INPUT {
+		*(.hash)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.gnu.hash : ALIGN_WITH_INPUT {
+		*(.gnu.hash)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.dynsym : ALIGN_WITH_INPUT {
+		*(.dynsym)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.dynstr : ALIGN_WITH_INPUT {
+		*(.dynstr)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.gnu.version : ALIGN_WITH_INPUT {
+		*(.gnu.version)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.gnu.version_d : ALIGN_WITH_INPUT {
+		*(.gnu.version_d)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.gnu.version_r : ALIGN_WITH_INPUT {
+		*(.gnu.version_r)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.rela.dyn : ALIGN_WITH_INPUT {
+		*(.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.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.*)
+		PROVIDE_HIDDEN (__rela_iplt_start = .);
+		*(.rela.iplt)
+		PROVIDE_HIDDEN (__rela_iplt_end = .);
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.rela.plt : ALIGN_WITH_INPUT {
+			*(.rela.plt)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.plt : ALIGN_WITH_INPUT {
+		*(.plt)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.iplt : ALIGN_WITH_INPUT {
+		*(.iplt)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.dynamic : ALIGN_WITH_INPUT {
+		*(.dynamic)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.tm_clone_table : ALIGN_WITH_INPUT {
+		*(.tm_clone_table)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.got : ALIGN_WITH_INPUT {
+		*(.got.plt) *(.igot.plt) *(.got) *(.igot)
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	.rtemsroset : ALIGN_WITH_INPUT {
+		/* Special FreeBSD linker set sections */
+		__start_set_sysctl_set = .;
+		*(set_sysctl_*);
+		__stop_set_sysctl_set = .;
+		*(set_domain_*);
+		*(set_pseudo_*);
+
+		KEEP (*(SORT(.rtemsroset.*)))
+		bsp_section_rodata_end = .;
+	} > REGION_RODATA AT > REGION_RODATA_LOAD
+	bsp_section_rodata_size = bsp_section_rodata_end - bsp_section_rodata_begin;
+	bsp_section_rodata_load_begin = LOADADDR (.rodata);
+	bsp_section_rodata_load_end = bsp_section_rodata_load_begin + bsp_section_rodata_size;
+
+	.rwbarrier : ALIGN_WITH_INPUT {
+		. = ALIGN (bsp_section_rwbarrier_align);
+	} > REGION_DATA AT > REGION_DATA
+
+	.fast_text : ALIGN_WITH_INPUT {
+		bsp_section_fast_text_begin = .;
+		*(.bsp_fast_text)
+		bsp_section_fast_text_end = .;
+	} > REGION_FAST_TEXT AT > REGION_FAST_TEXT_LOAD
+	bsp_section_fast_text_size = bsp_section_fast_text_end - bsp_section_fast_text_begin;
+	bsp_section_fast_text_load_begin = LOADADDR (.fast_text);
+	bsp_section_fast_text_load_end = bsp_section_fast_text_load_begin + bsp_section_fast_text_size;
+
+	.fast_data : ALIGN_WITH_INPUT {
+		bsp_section_fast_data_begin = .;
+		*(.bsp_fast_data)
+		bsp_section_fast_data_end = .;
+	} > REGION_FAST_DATA AT > REGION_FAST_DATA_LOAD
+	bsp_section_fast_data_size = bsp_section_fast_data_end - bsp_section_fast_data_begin;
+	bsp_section_fast_data_load_begin = LOADADDR (.fast_data);
+	bsp_section_fast_data_load_end = bsp_section_fast_data_load_begin + bsp_section_fast_data_size;
+
+	.data : ALIGN_WITH_INPUT {
+		bsp_section_data_begin = .;
+		*(.data .data.* .gnu.linkonce.d.*)
+		SORT(CONSTRUCTORS)
+	} > REGION_DATA AT > REGION_DATA_LOAD
+	.data1 : ALIGN_WITH_INPUT {
+		*(.data1)
+	} > REGION_DATA AT > REGION_DATA_LOAD
+	.rtemsrwset : ALIGN_WITH_INPUT {
+		KEEP (*(SORT(.rtemsrwset.*)))
+	} > REGION_DATA AT > REGION_DATA_LOAD
+	.htif ALIGN(4096) : ALIGN_WITH_INPUT {
+		*(.htif)
+	} > REGION_DATA AT > REGION_DATA_LOAD
+	.sdata : ALIGN_WITH_INPUT {
+		__global_pointer$ = . + 0x800;
+		*(.srodata.cst16) *(.srodata.cst8) *(.srodata.cst4) *(.srodata.cst2) *(.srodata .srodata.*)
+		*(.sdata .sdata.* .gnu.linkonce.s.*)
+		bsp_section_data_end = .;
+	} > REGION_DATA AT > REGION_DATA_LOAD
+	bsp_section_data_size = bsp_section_data_end - bsp_section_data_begin;
+	bsp_section_data_load_begin = LOADADDR (.data);
+	bsp_section_data_load_end = bsp_section_data_load_begin + bsp_section_data_size;
+
+	.sbss : ALIGN_WITH_INPUT {
+		bsp_section_bss_begin = .;
+		*(.dynsbss)
+		*(.sbss .sbss.* .gnu.linkonce.sb.*)
+		*(.scommon)
+	} > REGION_DATA AT > REGION_DATA
+	.bss : ALIGN_WITH_INPUT {
+		*(.dynbss)
+		*(.bss .bss.* .gnu.linkonce.b.*)
+		*(COMMON)
+		bsp_section_bss_end = .;
+	} > REGION_DATA AT > REGION_DATA
+	bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_begin;
+
+	.rtemsstack (NOLOAD) : ALIGN_WITH_INPUT {
+		bsp_section_rtemsstack_begin = .;
+		*(SORT(.rtemsstack.*))
+		bsp_section_rtemsstack_end = .;
+	} > REGION_RTEMSSTACK AT > REGION_RTEMSSTACK
+	bsp_section_rtemsstack_size = bsp_section_rtemsstack_end - bsp_section_rtemsstack_begin;
+
+	.work : ALIGN_WITH_INPUT {
+		/*
+		 * The work section will occupy the remaining REGION_WORK region and
+		 * contains the RTEMS work space and heap.
+		 */
+		bsp_section_work_begin = .;
+		. += ORIGIN (REGION_WORK) + LENGTH (REGION_WORK) - ABSOLUTE (.);
+		bsp_section_work_end = .;
+	} > REGION_WORK AT > REGION_WORK
+	bsp_section_work_size = bsp_section_work_end - bsp_section_work_begin;
+
+	/* FIXME */
+	RamBase = ORIGIN (REGION_WORK);
+	RamSize = LENGTH (REGION_WORK);
+	WorkAreaBase = bsp_section_work_begin;
+	HeapSize = 0;
+
+	/* Stabs debugging sections.	*/
+	.stab					0 : { *(.stab) }
+	.stabstr			 0 : { *(.stabstr) }
+	.stab.excl		 0 : { *(.stab.excl) }
+	.stab.exclstr	0 : { *(.stab.exclstr) }
+	.stab.index		0 : { *(.stab.index) }
+	.stab.indexstr 0 : { *(.stab.indexstr) }
+	.comment			 0 : { *(.comment) }
+	/* 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 .gnu.linkonce.wi.*) }
+	.debug_abbrev	 0 : { *(.debug_abbrev) }
+	.debug_line		 0 : { *(.debug_line .debug_line.* .debug_line_end ) }
+	.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) }
+	.debug_ranges	 0 : { *(.debug_ranges) }
+	/* DWARF Extension.	*/
+	.debug_macro		0 : { *(.debug_macro) }
+	.debug_addr		 0 : { *(.debug_addr) }
+	.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
+	/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
+
+	/*
+	 * This is a RTEMS specific section to catch all unexpected input
+	 * sections.  In case you get an error like
+	 *   "section `.unexpected_sections' will not fit in region
+	 *   `UNEXPECTED_SECTIONS'"
+	 * you have to figure out the offending input section and add it to the
+	 * appropriate output section definition above.
+	 */
+	.unexpected_sections : { *(*) } > UNEXPECTED_SECTIONS
+}
diff --git a/bsps/riscv/riscv_generic/start/start.S b/bsps/riscv/riscv_generic/start/start.S
index 8e2ac2440d..ac5b6a96ef 100644
--- a/bsps/riscv/riscv_generic/start/start.S
+++ b/bsps/riscv/riscv_generic/start/start.S
@@ -34,15 +34,13 @@
 EXTERN(bsp_section_bss_begin)
 EXTERN(bsp_section_bss_end)
 EXTERN(ISR_Handler)
-EXTERN(bsp_start_vector_table_size)
-EXTERN(bsp_vector_table_size)
 EXTERN(bsp_section_stack_begin)
 
 PUBLIC(bsp_start_vector_table_begin)
 PUBLIC(bsp_start_vector_table_end)
 PUBLIC(_start)
 
-.section .start, "wax"
+.section .bsp_start_text, "wax"
 TYPE_FUNC(_start)
 SYM(_start):
   li x2, 0
diff --git a/c/src/lib/libbsp/riscv/riscv_generic/Makefile.am b/c/src/lib/libbsp/riscv/riscv_generic/Makefile.am
index 31d1cf2d49..23410e7823 100644
--- a/c/src/lib/libbsp/riscv/riscv_generic/Makefile.am
+++ b/c/src/lib/libbsp/riscv/riscv_generic/Makefile.am
@@ -23,6 +23,7 @@ start.$(OBJEXT): ../../../../../../bsps/riscv/riscv_generic/start/start.S
 project_lib_DATA = start.$(OBJEXT)
 
 project_lib_DATA += linkcmds
+project_lib_DATA += ../../../../../../bsps/riscv/riscv/start/linkcmds.base
 
 ###############################################################################
 #                  LibBSP                                                     #
-- 
2.13.7



More information about the devel mailing list