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hw/rtc/mc146818rtc: QOM'ify io_base offset

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Exposing the io_base offset as a QOM property not only allows it to be
configurable but also to be displayed in HMP:

Before:

(qemu) info qtree
       ...
          dev: mc146818rtc, id ""
            gpio-out "" 1
            base_year = 0 (0x0)
            irq = 8 (0x8)
            lost_tick_policy = "discard"

After:

          dev: mc146818rtc, id ""
            gpio-out "" 1
            base_year = 0 (0x0)
            iobase = 112 (0x70)
            irq = 8 (0x8)
            lost_tick_policy = "discard"

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220529184006.10712-4-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Bernhard Beschow 2022-05-29 20:40:06 +02:00 • committed by Philippe Mathieu-Daudé
parent 8f3428cc85
commit 5b21b331be
3 changed files with 8 additions and 5 deletions
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2
include/hw/rtc/mc146818rtc.h
View file

@ -26,6 +26,7 @@ struct RTCState {
uint8_t cmos_data[128];
uint8_t cmos_index;
uint8_t isairq;
uint16_t io_base;
int32_t base_year;
uint64_t base_rtc;
uint64_t last_update;
@ -49,7 +50,6 @@ struct RTCState {
};
#define RTC_ISA_IRQ 8
#define RTC_ISA_BASE 0x70
ISADevice *mc146818_rtc_init(ISABus *bus, int base_year,
qemu_irq intercept_irq);