mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
704f3acfcf
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>
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/*
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* (C) Masami Komiya <mkomiya@sonare.it> 2005
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __SNTP_H__
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#define __SNTP_H__
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#define NTP_SERVICE_PORT 123
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#define SNTP_PACKET_LEN 48
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/* Leap Indicator */
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#define NTP_LI_NOLEAP 0x0
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#define NTP_LI_61SECS 0x1
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#define NTP_LI_59SECS 0x2
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#define NTP_LI_ALARM 0x3
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/* Version */
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#define NTP_VERSION 4
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/* Mode */
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#define NTP_MODE_RESERVED 0
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#define NTP_MODE_SYMACTIVE 1 /* Symmetric Active */
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#define NTP_MODE_SYMPASSIVE 2 /* Symmetric Passive */
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#define NTP_MODE_CLIENT 3
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#define NTP_MODE_SERVER 4
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#define NTP_MODE_BROADCAST 5
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#define NTP_MODE_NTPCTRL 6 /* Reserved for NTP control message */
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#define NTP_MODE_PRIVATE 7 /* Reserved for private use */
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struct sntp_pkt_t {
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#if __LITTLE_ENDIAN
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uchar mode:3;
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uchar vn:3;
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uchar li:2;
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#else
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uchar li:2;
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uchar vn:3;
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uchar mode:3;
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#endif
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uchar stratum;
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uchar poll;
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uchar precision;
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uint root_delay;
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uint root_dispersion;
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uint reference_id;
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unsigned long long reference_timestamp;
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unsigned long long originate_timestamp;
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unsigned long long receive_timestamp;
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unsigned long long transmit_timestamp;
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} __attribute__((packed));
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void sntp_start(void); /* Begin SNTP */
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#endif /* __SNTP_H__ */
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