projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| fd94be7a AL |
1 | /* |
| 2 | * QEMU MC146818 RTC emulation | |
| 3 | * | |
| 4 | * Copyright (c) 2003-2004 Fabrice Bellard | |
| 5 | * | |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 7 | * of this software and associated documentation files (the "Software"), to deal | |
| 8 | * in the Software without restriction, including without limitation the rights | |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 10 | * copies of the Software, and to permit persons to whom the Software is | |
| 11 | * furnished to do so, subject to the following conditions: | |
| 12 | * | |
| 13 | * The above copyright notice and this permission notice shall be included in | |
| 14 | * all copies or substantial portions of the Software. | |
| 15 | * | |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| 22 | * THE SOFTWARE. | |
| 23 | */ | |
| 121d0712 MA |
24 | |
| 25 | #ifndef MC146818RTC_REGS_H | |
| 26 | #define MC146818RTC_REGS_H | |
| fd94be7a AL |
27 | |
| 28 | #define RTC_ISA_IRQ 8 | |
| 29 | ||
| 30 | #define RTC_SECONDS 0 | |
| 31 | #define RTC_SECONDS_ALARM 1 | |
| 32 | #define RTC_MINUTES 2 | |
| 33 | #define RTC_MINUTES_ALARM 3 | |
| 34 | #define RTC_HOURS 4 | |
| 35 | #define RTC_HOURS_ALARM 5 | |
| 36 | #define RTC_ALARM_DONT_CARE 0xC0 | |
| 37 | ||
| 38 | #define RTC_DAY_OF_WEEK 6 | |
| 39 | #define RTC_DAY_OF_MONTH 7 | |
| 40 | #define RTC_MONTH 8 | |
| 41 | #define RTC_YEAR 9 | |
| 42 | ||
| 43 | #define RTC_REG_A 10 | |
| 44 | #define RTC_REG_B 11 | |
| 45 | #define RTC_REG_C 12 | |
| 46 | #define RTC_REG_D 13 | |
| 47 | ||
| e67edb94 PB |
48 | /* PC cmos mappings */ |
| 49 | #define RTC_CENTURY 0x32 | |
| 50 | #define RTC_IBM_PS2_CENTURY_BYTE 0x37 | |
| 51 | ||
| fd94be7a AL |
52 | #define REG_A_UIP 0x80 |
| 53 | ||
| 54 | #define REG_B_SET 0x80 | |
| 55 | #define REG_B_PIE 0x40 | |
| 56 | #define REG_B_AIE 0x20 | |
| 57 | #define REG_B_UIE 0x10 | |
| 58 | #define REG_B_SQWE 0x08 | |
| 59 | #define REG_B_DM 0x04 | |
| 60 | #define REG_B_24H 0x02 | |
| 61 | ||
| 62 | #define REG_C_UF 0x10 | |
| 63 | #define REG_C_IRQF 0x80 | |
| 64 | #define REG_C_PF 0x40 | |
| 65 | #define REG_C_AF 0x20 | |
| 9324cc50 | 66 | #define REG_C_MASK 0x70 |
| fd94be7a AL |
67 | |
| 68 | #endif |