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lib: consolidate hang()

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Delete all occurrences of hang() and provide a generic function.

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
[trini: Modify check around puts() in hang.c slightly]
Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Andreas Bießmann 2013-04-18 22:48:50 +00:00 committed by Tom Rini
parent b0dac5b1af
commit d2eae43ba8
20 changed files with 48 additions and 150 deletions
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7
arch/arm/cpu/arm926ejs/mxs/spl_boot.c
View File

@ -148,10 +148,3 @@ inline void board_init_r(gd_t *id, ulong dest_addr)
for (;;)
;
}
void hang(void) __attribute__ ((noreturn));
void hang(void)
{
for (;;)
;
}

7
arch/arm/cpu/arm926ejs/spear/spl.c
View File

@ -31,13 +31,6 @@
#include <asm/arch/spr_misc.h>
#include <asm/arch/spr_syscntl.h>
inline void hang(void)
{
serial_puts("### ERROR ### Please RESET the board ###\n");
for (;;)
;
}
static void ddr_clock_init(void)
{
struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;

6
arch/arm/lib/board.c
View File

@ -706,9 +706,3 @@ void board_init_r(gd_t *id, ulong dest_addr)
/* NOTREACHED - no way out of command loop except booting */
}
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
for (;;);
}

5
arch/avr32/lib/board.c
View File

@ -120,11 +120,6 @@ static int display_banner (void)
return 0;
}
void hang(void)
{
for (;;) ;
}
static int display_dram_config (void)
{
int i;

14
arch/blackfin/lib/board.c
View File

@ -432,17 +432,3 @@ void board_init_r(gd_t * id, ulong dest_addr)
for (;;)
main_loop();
}
void hang(void)
{
#ifdef CONFIG_STATUS_LED
status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF);
status_led_set(STATUS_LED_CRASH, STATUS_LED_BLINKING);
#endif
puts("### ERROR ### Please RESET the board ###\n");
while (1)
/* If a JTAG emulator is hooked up, we'll automatically trigger
* a breakpoint in it. If one isn't, this is just a NOP.
*/
asm("emuexcpt;");
}

7
arch/m68k/lib/board.c
View File

@ -663,10 +663,3 @@ void board_init_r (gd_t *id, ulong dest_addr)
/* NOTREACHED - no way out of command loop except booting */
}
void hang(void)
{
puts ("### ERROR ### Please RESET the board ###\n");
for (;;);
}

7
arch/microblaze/lib/board.c
View File

@ -195,10 +195,3 @@ void board_init_f(ulong not_used)
main_loop();
}
}
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
for (;;)
;
}

7
arch/mips/lib/board.c
View File

@ -344,10 +344,3 @@ void board_init_r(gd_t *id, ulong dest_addr)
/* NOTREACHED - no way out of command loop except booting */
}
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
for (;;)
;
}

7
arch/nds32/lib/board.c
View File

@ -404,10 +404,3 @@ void board_init_r(gd_t *id, ulong dest_addr)
/* NOTREACHED - no way out of command loop except booting */
}
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
for (;;)
;
}

11
arch/nios2/lib/board.c
View File

@ -162,14 +162,3 @@ void board_init(void)
main_loop();
}
}
/***********************************************************************/
void hang(void)
{
disable_interrupts();
puts("### ERROR ### Please reset board ###\n");
for (;;)
;
}

12
arch/openrisc/lib/board.c
View File

@ -154,15 +154,3 @@ void board_init(void)
main_loop();
}
}
/***********************************************************************/
void hang(void)
{
disable_interrupts();
puts("### ERROR ### Please reset board ###\n");
for (;;)
;
}

9
arch/powerpc/lib/board.c
View File

@ -1050,15 +1050,6 @@ void board_init_r(gd_t *id, ulong dest_addr)
/* NOTREACHED - no way out of command loop except booting */
}
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
bootstage_error(BOOTSTAGE_ID_NEED_RESET);
for (;;)
;
}
#if 0 /* We could use plain global data, but the resulting code is bigger */
/*
* Pointer to initial global data area

9
arch/sh/lib/board.c
View File

@ -200,12 +200,3 @@ void sh_generic_init(void)
main_loop();
}
}
/***********************************************************************/
void hang(void)
{
puts("Board ERROR\n");
for (;;)
;
}

9
arch/sparc/lib/board.c
View File

@ -411,13 +411,4 @@ void board_init_f(ulong bootflag)
}
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
#ifdef CONFIG_SHOW_BOOT_PROGRESS
bootstage_error(BOOTSTAGE_ID_NEED_RESET);
#endif
for (;;) ;
}
/************************************************************************/

7
arch/x86/lib/board.c
View File

@ -264,10 +264,3 @@ void board_init_r(gd_t *id, ulong dest_addr)
/* NOTREACHED - no way out of command loop except booting */
}
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
for (;;)
;
}

10
common/board_f.c
View File

@ -1087,13 +1087,3 @@ void board_init_f_r(void)
hang();
}
#endif /* CONFIG_X86 */
void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
#ifdef CONFIG_SANDBOX
os_exit(0);
#else
for (;;);
#endif
}

7
common/spl/spl.c
View File

@ -48,13 +48,6 @@ struct spl_image_info spl_image;
/* Define board data structure */
static bd_t bdata __attribute__ ((section(".data")));
inline void hang(void)
{
puts("### ERROR ### Please RESET the board ###\n");
for (;;)
;
}
/*
* Default function to determine if u-boot or the OS should
* be started. This implementation always returns 1.

9
drivers/mtd/nand/mxc_nand_spl.c
View File

@ -355,12 +355,3 @@ void nand_boot(void)
hang();
}
}
/*
* Called in case of an exception.
*/
void hang(void)
{
/* Loop forever */
while (1) ;
}

1
lib/Makefile
View File

@ -71,6 +71,7 @@ COBJS-$(CONFIG_BCH) += bch.o
COBJS-y += crc32.o
COBJS-y += ctype.o
COBJS-y += div64.o
COBJS-y += hang.o
COBJS-y += linux_string.o
COBJS-$(CONFIG_REGEX) += slre.o
COBJS-y += string.o

47
lib/hang.c Normal file
View File

@ -0,0 +1,47 @@
/*
* (C) Copyright 2013
* Andreas Bießmann <andreas.devel@googlemail.com>
*
* This file consolidates all the different hang() functions implemented in
* u-boot.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <bootstage.h>
/**
* hang - stop processing by staying in an endless loop
*
* The purpose of this function is to stop further execution of code cause
* something went completely wrong. To catch this and give some feedback to
* the user one needs to catch the bootstage_error (see show_boot_progress())
* in the board code.
*/
void hang(void)
{
#if !defined(CONFIG_SPL_BUILD) || (defined(CONFIG_SPL_LIBCOMMON_SUPPORT) && \
defined(CONFIG_SPL_SERIAL_SUPPORT))
puts("### ERROR ### Please RESET the board ###\n");
#endif
bootstage_error(BOOTSTAGE_ID_NEED_RESET);
for (;;)
;
}