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authorThomas Chou <thomas@wytron.com.tw>2014-08-28 17:29:06 +0800
committerThomas Chou <thomas@wytron.com.tw>2014-08-30 17:48:43 +0800
commitc69d2e57616f20eb1989cfe235ee036a26c78d5a (patch)
tree475a31419ec7f4a60412a0f0bb9f4f172bb4f295
parent3a55a56662550f945eddaa9123eee655a6efa1c7 (diff)
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nios2: link to CONFIG_SYS_MONITOR_BASE and remove text_base hook
This patch changes the link script to base at CONFIG_SYS_MONITOR_BASE. Then we can remove the text_base hook in nios2-generic board. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
-rw-r--r--arch/nios2/cpu/u-boot.lds2
-rw-r--r--board/altera/nios2-generic/Makefile1
-rw-r--r--board/altera/nios2-generic/nios2-generic.c3
-rw-r--r--board/altera/nios2-generic/text_base.S21
-rw-r--r--board/altera/nios2-generic/u-boot.lds118
5 files changed, 2 insertions, 143 deletions
diff --git a/arch/nios2/cpu/u-boot.lds b/arch/nios2/cpu/u-boot.lds
index be92e8e..6e174be 100644
--- a/arch/nios2/cpu/u-boot.lds
+++ b/arch/nios2/cpu/u-boot.lds
@@ -5,6 +5,7 @@
* SPDX-License-Identifier: GPL-2.0+
*/
+#include <config.h>
OUTPUT_FORMAT("elf32-littlenios2")
OUTPUT_ARCH(nios2)
@@ -12,6 +13,7 @@ ENTRY(_start)
SECTIONS
{
+ . = CONFIG_SYS_MONITOR_BASE;
.text :
{
arch/nios2/cpu/start.o (.text)
diff --git a/board/altera/nios2-generic/Makefile b/board/altera/nios2-generic/Makefile
index d3c5b43..5e4192c 100644
--- a/board/altera/nios2-generic/Makefile
+++ b/board/altera/nios2-generic/Makefile
@@ -8,4 +8,3 @@
obj-y := nios2-generic.o
obj-$(CONFIG_CMD_IDE) += ../common/cfide.o
-obj-y += text_base.o
diff --git a/board/altera/nios2-generic/nios2-generic.c b/board/altera/nios2-generic/nios2-generic.c
index 5ab9471..834cbeb 100644
--- a/board/altera/nios2-generic/nios2-generic.c
+++ b/board/altera/nios2-generic/nios2-generic.c
@@ -14,8 +14,6 @@
#include <asm/io.h>
#include <asm/gpio.h>
-void text_base_hook(void); /* nop hook for text_base.S */
-
#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR) && \
defined(CONFIG_CFI_FLASH_MTD)
static void __early_flash_cmd_reset(void)
@@ -30,7 +28,6 @@ void early_flash_cmd_reset(void)
int board_early_init_f(void)
{
- text_base_hook();
#ifdef CONFIG_ALTERA_PIO
#ifdef LED_PIO_BASE
altera_pio_init(LED_PIO_BASE, LED_PIO_WIDTH, 'o',
diff --git a/board/altera/nios2-generic/text_base.S b/board/altera/nios2-generic/text_base.S
deleted file mode 100644
index f236db1..0000000
--- a/board/altera/nios2-generic/text_base.S
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * text_base
- *
- * (C) Copyright 2010, Thomas Chou <thomas@wytron.com.tw>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <config.h>
-
-#ifdef CONFIG_SYS_MONITOR_BASE
- .text
- /* text base used in link script u-boot.lds */
- .global text_base
- .equ text_base,CONFIG_SYS_MONITOR_BASE
- /* dummy func to let linker include this file */
- .global text_base_hook
-text_base_hook:
- ret
-#endif
diff --git a/board/altera/nios2-generic/u-boot.lds b/board/altera/nios2-generic/u-boot.lds
deleted file mode 100644
index e35fae5..0000000
--- a/board/altera/nios2-generic/u-boot.lds
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
- * Scott McNutt <smcnutt@psyent.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-
-OUTPUT_FORMAT("elf32-littlenios2")
-OUTPUT_ARCH(nios2)
-ENTRY(_start)
-
-SECTIONS
-{
- . = text_base;
- .text :
- {
- arch/nios2/cpu/start.o (.text)
- *(.text)
- *(.text.*)
- *(.gnu.linkonce.t*)
- *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
- *(.gnu.linkonce.r*)
- }
- . = ALIGN (4);
- _etext = .;
- PROVIDE (etext = .);
-
- /* CMD TABLE - sandwich this in between text and data so
- * the initialization code relocates the command table as
- * well -- admittedly, this is just pure laziness ;-)
- */
-
- . = ALIGN(4);
- .u_boot_list : {
- KEEP(*(SORT(.u_boot_list*)));
- }
-
- /* INIT DATA sections - "Small" data (see the gcc -G option)
- * is always gp-relative. Here we make all init data sections
- * adjacent to simplify the startup code -- and provide
- * the global pointer for gp-relative access.
- */
- _data = .;
- .data :
- {
- *(.data)
- *(.data.*)
- *(.gnu.linkonce.d*)
- }
-
- . = ALIGN(16);
- _gp = .; /* Global pointer addr */
- PROVIDE (gp = .);
-
- .sdata :
- {
- *(.sdata)
- *(.sdata.*)
- *(.gnu.linkonce.s.*)
- }
- . = ALIGN(4);
-
- _edata = .;
- PROVIDE (edata = .);
-
- /* UNINIT DATA - Small uninitialized data is first so it's
- * adjacent to sdata and can be referenced via gp. The normal
- * bss follows. We keep it adjacent to simplify init code.
- */
- __bss_start = .;
- .sbss (NOLOAD) :
- {
- *(.sbss)
- *(.sbss.*)
- *(.gnu.linkonce.sb.*)
- *(.scommon)
- }
- . = ALIGN(4);
- .bss (NOLOAD) :
- {
- *(.bss)
- *(.bss.*)
- *(.dynbss)
- *(COMMON)
- *(.scommon)
- }
- . = ALIGN(4);
- __bss_end = .;
- PROVIDE (end = .);
-
- /* DEBUG -- symbol table, string table, etc. etc.
- */
- .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) }
- .debug 0 : { *(.debug) }
- .line 0 : { *(.line) }
- .debug_srcinfo 0 : { *(.debug_srcinfo) }
- .debug_sfnames 0 : { *(.debug_sfnames) }
- .debug_aranges 0 : { *(.debug_aranges) }
- .debug_pubnames 0 : { *(.debug_pubnames) }
- .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) }
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
-}