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From: Thomas Huth <thuth@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
	Michael S Tsirkin <mst@redhat.com>,
	qemu-devel@nongnu.org, Bernhard Beschow <shentey@gmail.com>,
	Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: "Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"BALATON Zoltan" <balaton@eik.bme.hu>,
	"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Eduardo Habkost" <eduardo@habkost.net>,
	"Hervé Poussineau" <hpoussin@reactos.org>,
	"Aurelien Jarno" <aurelien@aurel32.net>
Subject: [PATCH 5/6] hw/rtc/mc146818rtc: Make the mc146818 RTC device target independent
Date: Tue,  3 Jan 2023 09:48:00 +0100	[thread overview]
Message-ID: <20230103084801.20437-6-thuth@redhat.com> (raw)
In-Reply-To: <20230103084801.20437-1-thuth@redhat.com>

The only reason for this code being target dependent was the IRQ-counting
related code in rtc_policy_slew_deliver_irq(). Since these functions have
been moved into a new, separate file (kvm_irqcount.c) which is now always
compiled and linked if either APIC or the mc146818 device are required,
and since we've got a new mechanism for deciding whether the slew tick
policy is available now (via the "slew-tick-policy-available" property),
we can get rid of the #ifdef TARGET_I386 switches in mc146818rtc.c and
declare it in the softmmu_ss instead of specific_ss, so that the code only
gets compiled once for all targets.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 include/hw/rtc/mc146818rtc.h |  1 +
 hw/rtc/mc146818rtc.c         | 15 +--------------
 hw/rtc/meson.build           |  3 +--
 3 files changed, 3 insertions(+), 16 deletions(-)

diff --git a/include/hw/rtc/mc146818rtc.h b/include/hw/rtc/mc146818rtc.h
index 54af63d091..9d15d70da8 100644
--- a/include/hw/rtc/mc146818rtc.h
+++ b/include/hw/rtc/mc146818rtc.h
@@ -56,5 +56,6 @@ ISADevice *mc146818_rtc_init(ISABus *bus, int base_year,
                              qemu_irq intercept_irq);
 void rtc_set_memory(ISADevice *dev, int addr, int val);
 int rtc_get_memory(ISADevice *dev, int addr);
+void qmp_rtc_reset_reinjection(Error **errp);
 
 #endif /* HW_RTC_MC146818RTC_H */
diff --git a/hw/rtc/mc146818rtc.c b/hw/rtc/mc146818rtc.c
index 86381a74c3..4497ddf024 100644
--- a/hw/rtc/mc146818rtc.c
+++ b/hw/rtc/mc146818rtc.c
@@ -45,10 +45,6 @@
 #include "qapi/visitor.h"
 #include "hw/rtc/mc146818rtc_regs.h"
 
-#ifdef TARGET_I386
-#include "qapi/qapi-commands-misc-target.h"
-#endif
-
 //#define DEBUG_CMOS
 //#define DEBUG_COALESCED
 
@@ -112,7 +108,6 @@ static void rtc_coalesced_timer_update(RTCState *s)
 static QLIST_HEAD(, RTCState) rtc_devices =
     QLIST_HEAD_INITIALIZER(rtc_devices);
 
-#ifdef TARGET_I386
 void qmp_rtc_reset_reinjection(Error **errp)
 {
     RTCState *s;
@@ -124,6 +119,7 @@ void qmp_rtc_reset_reinjection(Error **errp)
 
 static bool rtc_policy_slew_deliver_irq(RTCState *s)
 {
+    assert(s->slew_tick_policy_available);
     kvm_reset_irq_delivered();
     qemu_irq_raise(s->irq);
     return kvm_get_irq_delivered();
@@ -145,13 +141,6 @@ static void rtc_coalesced_timer(void *opaque)
 
     rtc_coalesced_timer_update(s);
 }
-#else
-static bool rtc_policy_slew_deliver_irq(RTCState *s)
-{
-    assert(0);
-    return false;
-}
-#endif
 
 static uint32_t rtc_periodic_clock_ticks(RTCState *s)
 {
@@ -925,12 +914,10 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)
     case LOST_TICK_POLICY_DISCARD:
         break;
     case LOST_TICK_POLICY_SLEW:
-#ifdef TARGET_I386
         if (s->slew_tick_policy_available) {
             s->coalesced_timer = timer_new_ns(rtc_clock, rtc_coalesced_timer, s);
             break;
         }
-#endif
         /* fallthrough */
     default:
         error_setg(errp, "Invalid lost tick policy.");
diff --git a/hw/rtc/meson.build b/hw/rtc/meson.build
index dc33973384..34a4d316fa 100644
--- a/hw/rtc/meson.build
+++ b/hw/rtc/meson.build
@@ -13,5 +13,4 @@ softmmu_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files('aspeed_rtc.c'))
 softmmu_ss.add(when: 'CONFIG_GOLDFISH_RTC', if_true: files('goldfish_rtc.c'))
 softmmu_ss.add(when: 'CONFIG_LS7A_RTC', if_true: files('ls7a_rtc.c'))
 softmmu_ss.add(when: 'CONFIG_ALLWINNER_H3', if_true: files('allwinner-rtc.c'))
-
-specific_ss.add(when: 'CONFIG_MC146818RTC', if_true: files('mc146818rtc.c'))
+softmmu_ss.add(when: 'CONFIG_MC146818RTC', if_true: files('mc146818rtc.c'))
-- 
2.31.1



  parent reply	other threads:[~2023-01-03  8:50 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-03  8:47 [PATCH 0/6] mc146818rtc related clean-ups and improvements Thomas Huth
2023-01-03  8:47 ` [PATCH 1/6] hw/i386/pc: Create RTC controllers in south bridges Thomas Huth
2023-01-03  8:47 ` [PATCH 2/6] hw/i386/pc: No need for rtc_state to be an out-parameter Thomas Huth
2023-01-03 13:11   ` Philippe Mathieu-Daudé
2023-01-03  8:47 ` [PATCH 3/6] hw/intc: Extract the IRQ counting functions into a separate file Thomas Huth
2023-01-03 12:55   ` Bernhard Beschow
2023-01-03  8:47 ` [PATCH 4/6] hw/rtc/mc146818rtc: Add a property for the availability of the slew tick policy Thomas Huth
2023-01-03 13:10   ` Philippe Mathieu-Daudé
2023-01-03 13:32   ` Bernhard Beschow
2023-01-03 13:46     ` Bernhard Beschow
2023-01-03 15:00   ` Bernhard Beschow
2023-01-04  8:55   ` Mark Cave-Ayland
2023-01-09 20:12     ` Thomas Huth
2023-01-09 20:53       ` B
2023-01-10  7:52         ` Thomas Huth
2023-01-03  8:48 ` Thomas Huth [this message]
2023-01-03 12:58   ` [PATCH 5/6] hw/rtc/mc146818rtc: Make the mc146818 RTC device target independent Bernhard Beschow
2023-01-03  8:48 ` [PATCH 6/6] softmmu/rtc: Emit warning when using driftfix=slew on systems without mc146818 Thomas Huth
2023-01-03 13:08   ` Philippe Mathieu-Daudé

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