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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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002547b4f8
Majorily based on Hyok Choi's patches, this fixes up the asm-arm header files for mmuless systems. Over and above Hyok's patches: - nommu.h merged into mmu.h (it's only a structure) - nommu_context.h is essentially the same as mmu_context.h, but without the MM switching code. so there's no point having separate files. Also, in memory.h, there's no point #ifndef'ing PHYS_OFFSET and END_MEM - both CONFIG_DRAM_BASE and CONFIG_DRAM_SIZE will always be set by the configuration scripts. Other files have minor formatting changes, but are essentially the same. Hyok's original patches were signed off thusly: Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
186 lines
3.3 KiB
C
186 lines
3.3 KiB
C
/*
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* linux/include/asm-arm/proc-fns.h
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*
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* Copyright (C) 1997-1999 Russell King
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* Copyright (C) 2000 Deep Blue Solutions Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_PROCFNS_H
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#define __ASM_PROCFNS_H
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#ifdef __KERNEL__
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/*
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* Work out if we need multiple CPU support
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*/
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#undef MULTI_CPU
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#undef CPU_NAME
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/*
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* CPU_NAME - the prefix for CPU related functions
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*/
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#ifdef CONFIG_CPU_32
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# ifdef CONFIG_CPU_ARM610
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm6
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# endif
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# endif
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# ifdef CONFIG_CPU_ARM710
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm7
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# endif
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# endif
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# ifdef CONFIG_CPU_ARM720T
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm720
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# endif
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# endif
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# ifdef CONFIG_CPU_ARM920T
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm920
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# endif
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# endif
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# ifdef CONFIG_CPU_ARM922T
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm922
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# endif
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# endif
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# ifdef CONFIG_CPU_ARM925T
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm925
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# endif
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# endif
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# ifdef CONFIG_CPU_ARM926T
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm926
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# endif
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# endif
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# ifdef CONFIG_CPU_SA110
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_sa110
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# endif
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# endif
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# ifdef CONFIG_CPU_SA1100
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_sa1100
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# endif
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# endif
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# ifdef CONFIG_CPU_ARM1020
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm1020
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# endif
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# endif
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# ifdef CONFIG_CPU_ARM1020E
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm1020e
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# endif
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# endif
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# ifdef CONFIG_CPU_ARM1022
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm1022
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# endif
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# endif
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# ifdef CONFIG_CPU_ARM1026
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_arm1026
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# endif
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# endif
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# ifdef CONFIG_CPU_XSCALE
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_xscale
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# endif
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# endif
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# ifdef CONFIG_CPU_XSC3
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_xsc3
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# endif
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# endif
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# ifdef CONFIG_CPU_V6
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# ifdef CPU_NAME
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# undef MULTI_CPU
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# define MULTI_CPU
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# else
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# define CPU_NAME cpu_v6
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# endif
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# endif
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#endif
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#ifndef __ASSEMBLY__
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#ifndef MULTI_CPU
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#include "asm/cpu-single.h"
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#else
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#include "asm/cpu-multi32.h"
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#endif
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#include <asm/memory.h>
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#ifdef CONFIG_MMU
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#define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm)
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#define cpu_get_pgd() \
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({ \
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unsigned long pg; \
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__asm__("mrc p15, 0, %0, c2, c0, 0" \
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: "=r" (pg) : : "cc"); \
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pg &= ~0x3fff; \
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(pgd_t *)phys_to_virt(pg); \
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})
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* __ASM_PROCFNS_H */
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