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				https://github.com/smaeul/u-boot.git
				synced 2025-11-04 14:00:19 +00:00 
			
		
		
		
	PXE boot is broken with GCC 7.1 due option '-fstore-merging' enabled by default for '-O2': BOOTP broadcast 1 data abort pc : [<8ff8bb30>] lr : [<00004f1f>] reloc pc : [<17832b30>] lr : [<878abf1f>] sp : 8f558bc0 ip : 00000000 fp : 8ffef5a4 r10: 8ffed248 r9 : 8f558ee0 r8 : 8ffef594 r7 : 0000000e r6 : 8ffed700 r5 : 00000000 r4 : 8ffed74e r3 : 00060101 r2 : 8ffed230 r1 : 8ffed706 r0 : 00000ddd Flags: nzcv IRQs off FIQs off Mode SVC_32 Resetting CPU ... Core reason is usage of structures for network headers without packed attribute. Reviewed-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com> Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
		
			
				
	
	
		
			89 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * (C) Masami Komiya <mkomiya@sonare.it> 2004
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 *
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 * SPDX-License-Identifier:	GPL-2.0+
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 */
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#ifndef __NFS_H__
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#define __NFS_H__
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#define SUNRPC_PORT     111
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#define PROG_PORTMAP    100000
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#define PROG_NFS        100003
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#define PROG_MOUNT      100005
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#define MSG_CALL        0
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#define MSG_REPLY       1
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#define PORTMAP_GETPORT 3
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#define MOUNT_ADDENTRY  1
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#define MOUNT_UMOUNTALL 4
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#define NFS_LOOKUP      4
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#define NFS_READLINK    5
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#define NFS_READ        6
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#define NFS3PROC_LOOKUP 3
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#define NFS_FHSIZE      32
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#define NFS3_FHSIZE     64
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#define NFSERR_PERM     1
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#define NFSERR_NOENT    2
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#define NFSERR_ACCES    13
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#define NFSERR_ISDIR    21
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#define NFSERR_INVAL    22
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/* Block size used for NFS read accesses.  A RPC reply packet (including  all
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 * headers) must fit within a single Ethernet frame to avoid fragmentation.
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 * However, if CONFIG_IP_DEFRAG is set, the config file may want to use a
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 * bigger value. In any case, most NFS servers are optimized for a power of 2.
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 */
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#ifdef CONFIG_NFS_READ_SIZE
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#define NFS_READ_SIZE CONFIG_NFS_READ_SIZE
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#else
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#define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */
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#endif
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/* Values for Accept State flag on RPC answers (See: rfc1831) */
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enum rpc_accept_stat {
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	NFS_RPC_SUCCESS = 0,	/* RPC executed successfully */
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	NFS_RPC_PROG_UNAVAIL = 1,	/* remote hasn't exported program */
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	NFS_RPC_PROG_MISMATCH = 2,	/* remote can't support version # */
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	NFS_RPC_PROC_UNAVAIL = 3,	/* program can't support procedure */
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	NFS_RPC_GARBAGE_ARGS = 4,	/* procedure can't decode params */
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	NFS_RPC_SYSTEM_ERR = 5	/* errors like memory allocation failure */
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};
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struct rpc_t {
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	union {
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		uint8_t data[2048];
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		struct {
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			uint32_t id;
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			uint32_t type;
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			uint32_t rpcvers;
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			uint32_t prog;
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			uint32_t vers;
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			uint32_t proc;
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			uint32_t data[1];
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		} call;
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		struct {
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			uint32_t id;
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			uint32_t type;
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			uint32_t rstatus;
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			uint32_t verifier;
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			uint32_t v2;
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			uint32_t astatus;
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			uint32_t data[NFS_READ_SIZE];
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		} reply;
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	} u;
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} __attribute__((packed));
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void nfs_start(void);	/* Begin NFS */
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/**********************************************************************/
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#endif /* __NFS_H__ */
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