Commit c78cbf49 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

Support for MIPSsim, the cycle accurate MIPS simulator. 


    
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent b288f135

arch/mips/Kconfig

+11 −0
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@@ -448,6 +448,17 @@ config MOMENCO_OCELOT_3 
	  The Ocelot-3 is based off Discovery III System Controller and

	  PMC-Sierra Rm79000 core.



config MIPS_SIM

	bool 'Support for MIPS simulator (MIPSsim)'

	select DMA_NONCOHERENT

	select IRQ_CPU

	select SYS_SUPPORTS_32BIT_KERNEL

	select SYS_SUPPORTS_BIG_ENDIAN

	select SYS_SUPPORTS_LITTLE_ENDIAN

	help

	  This option enables support for MIPS Technologies MIPSsim software

	  emulator.



config MOMENCO_JAGUAR_ATX

	bool "Support for Momentum Jaguar board"

	select BOOT_ELF32

arch/mips/Makefile

+7 −0
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@@ -436,6 +436,13 @@ load-$(CONFIG_MIPS_MALTA) += 0xffffffff80100000 
core-$(CONFIG_MIPS_SEAD)	+= arch/mips/mips-boards/sead/

load-$(CONFIG_MIPS_SEAD)	+= 0xffffffff80100000



#

# MIPS SIM

#

core-$(CONFIG_MIPS_SIM)		+= arch/mips/mips-boards/sim/

cflags-$(CONFIG_MIPS_SIM)	+= -Iinclude/asm-mips/mach-sim

load-$(CONFIG_MIPS_SIM)		+= 0x80100000



#

# Momentum Ocelot board

#

arch/mips/kernel/head.S

+1 −1
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@@ -116,7 +116,7 @@ 
EXPORT(stext)					# used for profiling

EXPORT(_stext)



#ifdef CONFIG_QEMU

#if defined(CONFIG_QEMU) || defined(CONFIG_MIPS_SIM)

	/*

	 * Give us a fighting chance of running if execution beings at the

	 * kernel load address.  This is needed because this platform does

arch/mips/mips-boards/sim/Makefile

0 → 100644
+20 −0
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#

# Copyright (C) 2005 MIPS Technologies, Inc.  All rights reserved.

#

# This program is free software; you can distribute it and/or modify it

# under the terms of the GNU General Public License (Version 2) as

# published by the Free Software Foundation.

#

# This program is distributed in the hope 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.

#



obj-y := sim_setup.o sim_mem.o sim_time.o sim_printf.o sim_int.o sim_irq.o \

	sim_cmdline.o

obj-$(CONFIG_SMP) += sim_smp.o

arch/mips/mips-boards/sim/cmdline.c

0 → 100644
+59 −0
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/*

 * Carsten Langgaard, carstenl@mips.com

 * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.

 *

 * This program is free software; you can distribute it and/or modify it

 * under the terms of the GNU General Public License (Version 2) as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope 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.

 *

 * Kernel command line creation using the prom monitor (YAMON) argc/argv.

 */

#include <linux/init.h>

#include <linux/string.h>



#include <asm/bootinfo.h>



extern int prom_argc;

extern int *_prom_argv;



/*

 * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer.

 * This macro take care of sign extension.

 */

#define prom_argv(index) ((char *)(((int *)(int)_prom_argv)[(index)]))



char arcs_cmdline[CL_SIZE];



char * __init prom_getcmdline(void)

{

	return &(arcs_cmdline[0]);

}





void  __init prom_init_cmdline(void)

{

	char *cp;

	int actr;



	actr = 1; /* Always ignore argv[0] */



	cp = &(arcs_cmdline[0]);

	while(actr < prom_argc) {

	        strcpy(cp, prom_argv(actr));

		cp += strlen(prom_argv(actr));

		*cp++ = ' ';

		actr++;

	}

	if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */

		--cp;

	*cp = '\0';

}