Commit 125ec7b4 authored by Richard Weinberger's avatar Richard Weinberger
Browse files

arm: Remove RISC OS personality 



The RISC OS personality seems to be unused and untested for a long time.
It is doubtful whether this personality worked ever as expected.
Let's rip it out.

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Acked-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent f22e6e84

arch/arm/Kconfig

+0 −10
Original line number Diff line number Diff line
@@ -2126,16 +2126,6 @@ menu "Userspace binary formats" 


source "fs/Kconfig.binfmt"



config ARTHUR

	tristate "RISC OS personality"

	depends on !AEABI

	help

	  Say Y here to include the kernel code necessary if you want to run

	  Acorn RISC OS/Arthur binaries under Linux. This code is still very

	  experimental; if this sounds frightening, say N and sleep in peace.

	  You can also say M here to compile this support as a module (which

	  will be called arthur).



endmenu



menu "Power management options"

arch/arm/configs/badge4_defconfig

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Original line number Diff line number Diff line
@@ -12,7 +12,6 @@ CONFIG_CPU_FREQ_GOV_PERFORMANCE=y 
CONFIG_FPE_NWFPE=y

CONFIG_BINFMT_AOUT=m

CONFIG_BINFMT_MISC=m

CONFIG_ARTHUR=m

CONFIG_NET=y

CONFIG_PACKET=y

CONFIG_UNIX=y

arch/arm/kernel/Makefile

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Original line number Diff line number Diff line
@@ -34,7 +34,6 @@ obj-$(CONFIG_CPU_IDLE) += cpuidle.o 
obj-$(CONFIG_ISA_DMA_API)	+= dma.o

obj-$(CONFIG_FIQ)		+= fiq.o fiqasm.o

obj-$(CONFIG_MODULES)		+= armksyms.o module.o

obj-$(CONFIG_ARTHUR)		+= arthur.o

obj-$(CONFIG_ISA_DMA)		+= dma-isa.o

obj-$(CONFIG_PCI)		+= bios32.o isa.o

obj-$(CONFIG_ARM_CPU_SUSPEND)	+= sleep.o suspend.o

arch/arm/kernel/arthur.c

deleted100644 → 0
+0 −94
Original line number Diff line number Diff line 
/*

 *  linux/arch/arm/kernel/arthur.c

 *

 *  Copyright (C) 1998, 1999, 2000, 2001 Philip Blundell

 *

 * Arthur personality

 */



/*

 * 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.

 */



#include <linux/module.h>

#include <linux/personality.h>

#include <linux/stddef.h>

#include <linux/signal.h>

#include <linux/init.h>

#include <linux/sched.h>



#include <asm/ptrace.h>



/* Arthur doesn't have many signals, and a lot of those that it does

   have don't map easily to any Linux equivalent.  Never mind.  */



#define ARTHUR_SIGABRT		1

#define ARTHUR_SIGFPE		2

#define ARTHUR_SIGILL		3

#define ARTHUR_SIGINT		4

#define ARTHUR_SIGSEGV		5

#define ARTHUR_SIGTERM		6

#define ARTHUR_SIGSTAK		7

#define ARTHUR_SIGUSR1		8

#define ARTHUR_SIGUSR2		9

#define ARTHUR_SIGOSERROR	10



static unsigned long arthur_to_linux_signals[32] = {

	0,	1,	2,	3,	4,	5,	6,	7,

	8,	9,	10,	11,	12,	13,	14,	15,

	16,	17,	18,	19,	20,	21,	22,	23,

	24,	25,	26,	27,	28,	29,	30,	31

};



static unsigned long linux_to_arthur_signals[32] = {

	0,		-1,		ARTHUR_SIGINT,	-1,

       	ARTHUR_SIGILL,	5,		ARTHUR_SIGABRT,	7,

	ARTHUR_SIGFPE,	9,		ARTHUR_SIGUSR1,	ARTHUR_SIGSEGV,	

	ARTHUR_SIGUSR2,	13,		14,		ARTHUR_SIGTERM,

	16,		17,		18,		19,

	20,		21,		22,		23,

	24,		25,		26,		27,

	28,		29,		30,		31

};



static void arthur_lcall7(int nr, struct pt_regs *regs)

{

	struct siginfo info;

	info.si_signo = SIGSWI;

	info.si_errno = nr;

	/* Bounce it to the emulator */

	send_sig_info(SIGSWI, &info, current);

}



static struct exec_domain arthur_exec_domain = {

	.name		= "Arthur",

	.handler	= arthur_lcall7,

	.pers_low	= PER_RISCOS,

	.pers_high	= PER_RISCOS,

	.signal_map	= arthur_to_linux_signals,

	.signal_invmap	= linux_to_arthur_signals,

	.module		= THIS_MODULE,

};



/*

 * We could do with some locking to stop Arthur being removed while

 * processes are using it.

 */



static int __init arthur_init(void)

{

	return register_exec_domain(&arthur_exec_domain);

}



static void __exit arthur_exit(void)

{

	unregister_exec_domain(&arthur_exec_domain);

}



module_init(arthur_init);

module_exit(arthur_exit);



MODULE_LICENSE("GPL");