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From: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
To: qemu-devel@nongnu.org
Cc: "Thomas Huth" <huth@tuxfamily.org>,
	"Sarah Harris" <S.E.Harris@kent.ac.uk>,
	"Michael Rolnik" <mrolnik@gmail.com>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>
Subject: [PATCH 06/11] hw/gpio/avr_gpio: Simplify avr_gpio_write_port using extract32()
Date: Sat, 13 Mar 2021 17:54:40 +0100	[thread overview]
Message-ID: <20210313165445.2113938-7-f4bug@amsat.org> (raw)
In-Reply-To: <20210313165445.2113938-1-f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/gpio/avr_gpio.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/hw/gpio/avr_gpio.c b/hw/gpio/avr_gpio.c
index 3db55bfa77f..e4c7122e62c 100644
--- a/hw/gpio/avr_gpio.c
+++ b/hw/gpio/avr_gpio.c
@@ -39,20 +39,15 @@ static void avr_gpio_reset(DeviceState *dev)
 static void avr_gpio_write_port(AVRGPIOState *s, uint64_t value)
 {
     uint8_t pin;
-    uint8_t cur_port_val = s->reg.port;
-    uint8_t cur_ddr_val = s->reg.ddr;
 
     for (pin = 0u; pin < AVR_GPIO_COUNT ; pin++) {
-        uint8_t cur_port_pin_val = cur_port_val & 0x01u;
-        uint8_t cur_ddr_pin_val = cur_ddr_val & 0x01u;
-        uint8_t new_port_pin_val = value & 0x01u;
+        uint8_t cur_port_pin_val = extract32(s->reg.port, pin, 1);
+        uint8_t cur_ddr_pin_val = extract32(s->reg.ddr, pin, 1);
+        uint8_t new_port_pin_val = extract32(value, pin, 1);
 
         if (cur_ddr_pin_val && (cur_port_pin_val != new_port_pin_val)) {
             qemu_set_irq(s->out[pin], new_port_pin_val);
         }
-        cur_port_val >>= 1u;
-        cur_ddr_val >>= 1u;
-        value >>= 1u;
     }
     s->reg.port = value & s->reg.ddr;
 }
-- 
2.26.2



  parent reply	other threads:[~2021-03-13 17:13 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-13 16:54 [PATCH 00/11] AVR patch queue for QEMU 6.0 Philippe Mathieu-Daudé
2021-03-13 16:54 ` [PATCH 01/11] hw/misc/led: Add yellow LED Philippe Mathieu-Daudé
2021-03-13 19:51   ` Richard Henderson
2021-03-13 16:54 ` [PATCH 02/11] hw/avr/arduino: List board schematic links Philippe Mathieu-Daudé
2021-03-13 19:51   ` Richard Henderson
2021-03-13 16:54 ` [PATCH 03/11] hw/avr: Add limited support for avr gpio registers Philippe Mathieu-Daudé
2021-03-13 19:55   ` Richard Henderson
2021-03-14 10:26   ` Mark Cave-Ayland
2021-03-14 23:41     ` Philippe Mathieu-Daudé
2021-03-15 13:15   ` Sarah Harris
2021-03-13 16:54 ` [PATCH 04/11] hw/gpio/avr_gpio: Add migration VMstate Philippe Mathieu-Daudé
2021-03-13 19:57   ` Richard Henderson
2021-03-13 16:54 ` [PATCH 05/11] hw/gpio/avr_gpio: Add 'id' field in AVRGPIOState Philippe Mathieu-Daudé
2021-03-13 19:58   ` Richard Henderson
2021-03-13 16:54 ` Philippe Mathieu-Daudé [this message]
2021-03-13 19:59   ` [PATCH 06/11] hw/gpio/avr_gpio: Simplify avr_gpio_write_port using extract32() Richard Henderson
2021-03-13 16:54 ` [PATCH 07/11] hw/gpio/avr_gpio: Add tracing for reads and writes Philippe Mathieu-Daudé
2021-03-13 17:21   ` Niteesh G. S.
2021-03-23  2:42     ` Niteesh G. S.
2021-03-23  8:39       ` Philippe Mathieu-Daudé
2021-03-13 16:54 ` [PATCH 08/11] hw/avr/arduino: Add D13 LED Philippe Mathieu-Daudé
2021-03-13 17:02   ` Niteesh G. S.
2021-03-13 17:21     ` Niteesh G. S.
2021-03-13 16:54 ` [PATCH 09/11] hw/avr/arduino: Replace magic number by gpio_port_index() call Philippe Mathieu-Daudé
2021-03-13 20:02   ` Richard Henderson
2021-03-13 22:20     ` Philippe Mathieu-Daudé
2021-03-13 16:54 ` [PATCH 10/11] target/avr: Fix some comment spelling errors Philippe Mathieu-Daudé
2021-03-13 16:54 ` [PATCH 11/11] target/avr: Fix interrupt execution Philippe Mathieu-Daudé
2021-03-13 22:16 ` [PATCH 00/11] AVR patch queue for QEMU 6.0 Michael Rolnik
2021-03-14 23:42 ` Philippe Mathieu-Daudé

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