cregit-Linux how code gets into the kernel

Release 4.14 arch/mips/fw/arc/identify.c

Directory: arch/mips/fw/arc
/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * identify.c: identify machine by looking up system identifier
 *
 * Copyright (C) 1998 Thomas Bogendoerfer
 *
 * This code is based on arch/mips/sgi/kernel/system.c, which is
 *
 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
 */
#include <linux/bug.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/string.h>

#include <asm/sgialib.h>
#include <asm/bootinfo.h>


struct smatch {
	
char *arcname;
	
char *liname;
	
int flags;
};


static struct smatch mach_table[] = {
	{
		.arcname	= "SGI-IP22",
		.liname		= "SGI Indy",
		.flags		= PROM_FLAG_ARCS,
        }, {
		.arcname	= "SGI-IP27",
		.liname		= "SGI Origin",
		.flags		= PROM_FLAG_ARCS,
        }, {
		.arcname	= "SGI-IP28",
		.liname		= "SGI IP28",
		.flags		= PROM_FLAG_ARCS,
        }, {
		.arcname	= "SGI-IP30",
		.liname		= "SGI Octane",
		.flags		= PROM_FLAG_ARCS,
        }, {
		.arcname	= "SGI-IP32",
		.liname		= "SGI O2",
		.flags		= PROM_FLAG_ARCS,
        }, {
		.arcname	= "Microsoft-Jazz",
		.liname		= "Jazz MIPS_Magnum_4000",
		.flags		= 0,
        }, {
		.arcname	= "PICA-61",
		.liname		= "Jazz Acer_PICA_61",
		.flags		= 0,
        }, {
		.arcname	= "RM200PCI",
		.liname		= "SNI RM200_PCI",
		.flags		= PROM_FLAG_DONT_FREE_TEMP,
        }, {
		.arcname	= "RM200PCI-R5K",
		.liname		= "SNI RM200_PCI-R5K",
		.flags		= PROM_FLAG_DONT_FREE_TEMP,
        }
};


int prom_flags;


static struct smatch * __init string_to_mach(const char *s) { int i; for (i = 0; i < ARRAY_SIZE(mach_table); i++) { if (!strcmp(s, mach_table[i].arcname)) return &mach_table[i]; } panic("Yeee, could not determine architecture type <%s>", s); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)5890.62%133.33%
Ralf Bächle57.81%133.33%
Ahmed S. Darwish11.56%133.33%
Total64100.00%3100.00%

char *system_type;
const char *get_system_type(void) { return system_type; }

Contributors

PersonTokensPropCommitsCommitProp
Ralf Bächle975.00%150.00%
Linus Torvalds (pre-git)325.00%150.00%
Total12100.00%2100.00%


void __init prom_identify_arch(void) { pcomponent *p; struct smatch *mach; const char *iname; /* * The root component tells us what machine architecture we have here. */ p = ArcGetChild(PROM_NULL_COMPONENT); if (p == NULL) { #ifdef CONFIG_SGI_IP27 /* IP27 PROM misbehaves, seems to not implement ARC GetChild(). So we just assume it's an IP27. */ iname = "SGI-IP27"; #else iname = "Unknown"; #endif } else iname = (char *) (long) p->iname; printk("ARCH: %s\n", iname); mach = string_to_mach(iname); system_type = mach->liname; prom_flags = mach->flags; }

Contributors

PersonTokensPropCommitsCommitProp
Ralf Bächle5154.26%266.67%
Linus Torvalds (pre-git)4345.74%133.33%
Total94100.00%3100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Ralf Bächle18749.73%436.36%
Linus Torvalds (pre-git)15942.29%19.09%
Thomas Bogendoerfer174.52%19.09%
Thiemo Seufer71.86%19.09%
Paul Gortmaker30.80%19.09%
Justin P. Mattock10.27%19.09%
Andrew Morton10.27%19.09%
Ahmed S. Darwish10.27%19.09%
Total376100.00%11100.00%
Directory: arch/mips/fw/arc
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