87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
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/*
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* CPU feature overrides for DECstation systems. Two variations
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* are generally applicable.
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*
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* Copyright (C) 2013 Maciej W. Rozycki
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
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#define __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
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/* Generic ones first. */
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#define cpu_has_tlb 1
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#define cpu_has_tx39_cache 0
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#define cpu_has_divec 0
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#define cpu_has_prefetch 0
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#define cpu_has_mcheck 0
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#define cpu_has_ejtag 0
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#define cpu_has_mips16 0
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#define cpu_has_mdmx 0
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#define cpu_has_mips3d 0
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#define cpu_has_smartmips 0
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#define cpu_has_rixi 0
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#define cpu_has_vtag_icache 0
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#define cpu_has_ic_fills_f_dc 0
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#define cpu_has_pindexed_dcache 0
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#define cpu_has_local_ebase 0
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#define cpu_icache_snoops_remote_store 1
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#define cpu_has_mips_4 0
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#define cpu_has_mips_5 0
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#define cpu_has_mips32r1 0
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#define cpu_has_mips32r2 0
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#define cpu_has_mips64r1 0
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#define cpu_has_mips64r2 0
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#define cpu_has_dsp 0
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#define cpu_has_mipsmt 0
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#define cpu_has_userlocal 0
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/* R3k-specific ones. */
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#ifdef CONFIG_CPU_R3000
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#define cpu_has_4kex 0
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#define cpu_has_3k_cache 1
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#define cpu_has_4k_cache 0
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#define cpu_has_32fpr 0
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#define cpu_has_counter 0
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#define cpu_has_watch 0
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#define cpu_has_vce 0
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#define cpu_has_cache_cdex_p 0
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#define cpu_has_cache_cdex_s 0
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#define cpu_has_llsc 0
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#define cpu_has_dc_aliases 0
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#define cpu_has_mips_2 0
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#define cpu_has_mips_3 0
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#define cpu_has_nofpuex 1
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#define cpu_has_inclusive_pcaches 0
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#define cpu_dcache_line_size() 4
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#define cpu_icache_line_size() 4
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#define cpu_scache_line_size() 0
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#endif /* CONFIG_CPU_R3000 */
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/* R4k-specific ones. */
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#ifdef CONFIG_CPU_R4X00
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#define cpu_has_4kex 1
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#define cpu_has_3k_cache 0
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#define cpu_has_4k_cache 1
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#define cpu_has_32fpr 1
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#define cpu_has_counter 1
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#define cpu_has_watch 1
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#define cpu_has_vce 1
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#define cpu_has_cache_cdex_p 1
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#define cpu_has_cache_cdex_s 1
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#define cpu_has_llsc 1
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#define cpu_has_dc_aliases (PAGE_SIZE < 0x4000)
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#define cpu_has_mips_2 1
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#define cpu_has_mips_3 1
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#define cpu_has_nofpuex 0
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#define cpu_has_inclusive_pcaches 1
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#define cpu_dcache_line_size() 16
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#define cpu_icache_line_size() 16
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#define cpu_scache_line_size() 32
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#endif /* CONFIG_CPU_R4X00 */
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#endif /* __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H */
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