add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/arch/riscv/include/asm/elf.h
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@@ -1,12 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
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  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
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  * Copyright (C) 2012 Regents of the University of California
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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 as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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  */
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 #ifndef _ASM_RISCV_ELF_H
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@@ -15,9 +11,7 @@
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 #include <uapi/asm/elf.h>
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 #include <asm/auxvec.h>
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 #include <asm/byteorder.h>
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-
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-/* TODO: Move definition into include/uapi/linux/elf-em.h */
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-#define EM_RISCV	0xF3
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+#include <asm/cacheinfo.h>
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 /*
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  * These are used to set parameters in the core dumps.
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@@ -30,13 +24,7 @@
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 #define ELF_CLASS	ELFCLASS32
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 #endif
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-#if defined(__LITTLE_ENDIAN)
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 #define ELF_DATA	ELFDATA2LSB
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-#elif defined(__BIG_ENDIAN)
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-#define ELF_DATA	ELFDATA2MSB
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-#else
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-#error "Unknown endianness"
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-#endif
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 /*
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  * This is used to ensure we don't load something for the wrong architecture.
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@@ -69,16 +57,28 @@
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  */
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 #define ELF_PLATFORM	(NULL)
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+#ifdef CONFIG_MMU
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 #define ARCH_DLINFO						\
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 do {								\
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 	NEW_AUX_ENT(AT_SYSINFO_EHDR,				\
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 		(elf_addr_t)current->mm->context.vdso);		\
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+	NEW_AUX_ENT(AT_L1I_CACHESIZE,				\
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+		get_cache_size(1, CACHE_TYPE_INST));		\
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+	NEW_AUX_ENT(AT_L1I_CACHEGEOMETRY,			\
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+		get_cache_geometry(1, CACHE_TYPE_INST));	\
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+	NEW_AUX_ENT(AT_L1D_CACHESIZE,				\
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+		get_cache_size(1, CACHE_TYPE_DATA));		\
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+	NEW_AUX_ENT(AT_L1D_CACHEGEOMETRY,			\
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+		get_cache_geometry(1, CACHE_TYPE_DATA));	\
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+	NEW_AUX_ENT(AT_L2_CACHESIZE,				\
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+		get_cache_size(2, CACHE_TYPE_UNIFIED));		\
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+	NEW_AUX_ENT(AT_L2_CACHEGEOMETRY,			\
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+		get_cache_geometry(2, CACHE_TYPE_UNIFIED));	\
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 } while (0)
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-
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-
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 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES
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 struct linux_binprm;
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 extern int arch_setup_additional_pages(struct linux_binprm *bprm,
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 	int uses_interp);
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+#endif /* CONFIG_MMU */
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 #endif /* _ASM_RISCV_ELF_H */