121d07125b
Header guard symbols should match their file name to make guard collisions less likely. Offenders found with scripts/clean-header-guards.pl -vn. Cleaned up with scripts/clean-header-guards.pl, followed by some renaming of new guard symbols picked by the script to better ones. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/*
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* QEMU MC146818 RTC emulation
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*
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* Copyright (c) 2003-2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MC146818RTC_REGS_H
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#define MC146818RTC_REGS_H
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#define RTC_ISA_IRQ 8
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#define RTC_SECONDS 0
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#define RTC_SECONDS_ALARM 1
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#define RTC_MINUTES 2
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#define RTC_MINUTES_ALARM 3
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#define RTC_HOURS 4
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#define RTC_HOURS_ALARM 5
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#define RTC_ALARM_DONT_CARE 0xC0
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#define RTC_DAY_OF_WEEK 6
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#define RTC_DAY_OF_MONTH 7
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#define RTC_MONTH 8
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#define RTC_YEAR 9
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#define RTC_REG_A 10
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#define RTC_REG_B 11
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#define RTC_REG_C 12
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#define RTC_REG_D 13
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/* PC cmos mappings */
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#define RTC_CENTURY 0x32
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#define RTC_IBM_PS2_CENTURY_BYTE 0x37
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#define REG_A_UIP 0x80
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#define REG_B_SET 0x80
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#define REG_B_PIE 0x40
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#define REG_B_AIE 0x20
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#define REG_B_UIE 0x10
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#define REG_B_SQWE 0x08
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#define REG_B_DM 0x04
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#define REG_B_24H 0x02
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#define REG_C_UF 0x10
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#define REG_C_IRQF 0x80
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#define REG_C_PF 0x40
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#define REG_C_AF 0x20
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#define REG_C_MASK 0x70
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#endif
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