cregit-Linux how code gets into the kernel

Release 4.14 arch/mips/include/asm/mach-ip32/cpu-feature-overrides.h

/*
 * 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.
 *
 * Copyright (C) 2005 Ilya A. Volynets-Evenbakh
 * Copyright (C) 2005, 07 Ralf Baechle (ralf@linux-mips.org)
 */
#ifndef __ASM_MACH_IP32_CPU_FEATURE_OVERRIDES_H

#define __ASM_MACH_IP32_CPU_FEATURE_OVERRIDES_H


/*
 * R5000 has an interesting "restriction":  ll(d)/sc(d)
 * instructions to XKPHYS region simply do uncached bus
 * requests. This breaks all the atomic bitops functions.
 * so, for 64bit IP32 kernel we just don't use ll/sc.
 * This does not affect luserland.
 */
#if (defined(CONFIG_CPU_R5000) || defined(CONFIG_CPU_NEVADA)) && defined(CONFIG_64BIT)

#define cpu_has_llsc		0
#else

#define cpu_has_llsc		1
#endif

/* Settings which are common for all ip32 CPUs */

#define cpu_has_tlb		1

#define cpu_has_4kex		1

#define cpu_has_32fpr		1

#define cpu_has_counter		1

#define cpu_has_mips16		0

#define cpu_has_mips16e2	0

#define cpu_has_vce		0

#define cpu_has_cache_cdex_s	0

#define cpu_has_mcheck		0

#define cpu_has_ejtag		0

#define cpu_has_vtag_icache	0

#define cpu_has_ic_fills_f_dc	0

#define cpu_has_dsp		0

#define cpu_has_dsp2		0

#define cpu_has_4k_cache	1

#define cpu_has_mipsmt		0

#define cpu_has_userlocal	0



#define cpu_has_mips32r1	0

#define cpu_has_mips32r2	0

#define cpu_has_mips64r1	0

#define cpu_has_mips64r2	0

#endif /* __ASM_MACH_IP32_CPU_FEATURE_OVERRIDES_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Ralf Bächle11893.65%880.00%
Maciej W. Rozycki43.17%110.00%
Joshua Kinard43.17%110.00%
Total126100.00%10100.00%
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