[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
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