| /* |
| * QEMU MC146818 RTC emulation |
| * |
| * Copyright (c) 2003-2004 Fabrice Bellard |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| #ifndef RTC_REGS_H |
| #define RTC_REGS_H |
| |
| #define RTC_ISA_IRQ 8 |
| |
| #define RTC_SECONDS 0 |
| #define RTC_SECONDS_ALARM 1 |
| #define RTC_MINUTES 2 |
| #define RTC_MINUTES_ALARM 3 |
| #define RTC_HOURS 4 |
| #define RTC_HOURS_ALARM 5 |
| #define RTC_ALARM_DONT_CARE 0xC0 |
| |
| #define RTC_DAY_OF_WEEK 6 |
| #define RTC_DAY_OF_MONTH 7 |
| #define RTC_MONTH 8 |
| #define RTC_YEAR 9 |
| |
| #define RTC_REG_A 10 |
| #define RTC_REG_B 11 |
| #define RTC_REG_C 12 |
| #define RTC_REG_D 13 |
| |
| /* PC cmos mappings */ |
| #define RTC_CENTURY 0x32 |
| #define RTC_IBM_PS2_CENTURY_BYTE 0x37 |
| |
| #define REG_A_UIP 0x80 |
| |
| #define REG_B_SET 0x80 |
| #define REG_B_PIE 0x40 |
| #define REG_B_AIE 0x20 |
| #define REG_B_UIE 0x10 |
| #define REG_B_SQWE 0x08 |
| #define REG_B_DM 0x04 |
| #define REG_B_24H 0x02 |
| |
| #define REG_C_UF 0x10 |
| #define REG_C_IRQF 0x80 |
| #define REG_C_PF 0x40 |
| #define REG_C_AF 0x20 |
| #define REG_C_MASK 0x70 |
| |
| #endif |
