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From: Alistair Francis <alistair.francis@xilinx.com>
To: qemu-devel@nongnu.org, peter.maydell@linaro.org
Cc: edgar.iglesias@xilinx.com, alistair.francis@xilinx.com,
	crosthwaitepeter@gmail.com, edgar.iglesias@gmail.com,
	alex.bennee@linaro.org, afaerber@suse.de,
	fred.konrad@greensocs.com
Subject: [Qemu-devel] [PATCH v4 08/16] bitops: Add ONES macro
Date: Tue, 9 Feb 2016 14:14:55 -0800	[thread overview]
Message-ID: <889f6c7641bb04403de2a03406177dcf24ca8a53.1455055858.git.alistair.francis@xilinx.com> (raw)
In-Reply-To: <cover.1455055858.git.alistair.francis@xilinx.com>

From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>

Little macro that just gives you N ones (justified to LSB).

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
---

 include/qemu/bitops.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h
index 8164225..27bf98d 100644
--- a/include/qemu/bitops.h
+++ b/include/qemu/bitops.h
@@ -430,4 +430,6 @@ static inline uint64_t deposit64(uint64_t value, int start, int length,
     return (value & ~mask) | ((fieldval << start) & mask);
 }
 
+#define ONES(num) ((num) == 64 ? ~0ull : (1ull << (num)) - 1)
+
 #endif
-- 
2.5.0

  parent reply	other threads:[~2016-02-09 22:17 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-09 22:14 [Qemu-devel] [PATCH v4 00/16] data-driven device registers Alistair Francis
2016-02-09 22:14 ` [Qemu-devel] [PATCH v4 01/16] memory: Allow subregions to not be printed by info mtree Alistair Francis
2016-02-26 16:51   ` Alex Bennée
2016-02-26 16:54     ` Peter Maydell
2016-03-08  0:49       ` Alistair Francis
2016-02-09 22:14 ` [Qemu-devel] [PATCH v4 02/16] register: Add Register API Alistair Francis
2016-02-26 17:13   ` Alex Bennée
2016-03-08  0:54     ` Alistair Francis
2016-02-09 22:14 ` [Qemu-devel] [PATCH v4 03/16] register: Add Memory API glue Alistair Francis
2016-02-26 17:25   ` Alex Bennée
2016-03-08  1:18     ` Alistair Francis
2016-02-09 22:14 ` [Qemu-devel] [PATCH v4 04/16] register: Add support for decoding information Alistair Francis
2016-02-09 22:14 ` [Qemu-devel] [PATCH v4 05/16] register: Define REG and FIELD macros Alistair Francis
2016-02-09 22:14 ` [Qemu-devel] [PATCH v4 06/16] register: QOMify Alistair Francis
2016-02-09 22:14 ` [Qemu-devel] [PATCH v4 07/16] register: Add block initialise helper Alistair Francis
2016-02-29 11:28   ` Alex Bennée
2016-03-08  0:09     ` Alistair Francis
2016-02-09 22:14 ` Alistair Francis [this message]
2016-02-29 11:51   ` [Qemu-devel] [PATCH v4 08/16] bitops: Add ONES macro Alex Bennée
2016-03-04 22:42     ` Alistair Francis
2016-02-09 22:14 ` [Qemu-devel] [PATCH v4 09/16] dma: Add Xilinx Zynq devcfg device model Alistair Francis
2016-02-29 12:20   ` Alex Bennée
2016-03-04 19:41     ` Alistair Francis
2016-02-09 22:15 ` [Qemu-devel] [PATCH v4 11/16] qdev: Define qdev_get_gpio_out Alistair Francis
2016-02-09 22:15 ` [Qemu-devel] [PATCH v4 12/16] qdev: Add qdev_pass_all_gpios API Alistair Francis
2016-02-09 22:15 ` [Qemu-devel] [PATCH v4 13/16] irq: Add opaque setter routine Alistair Francis
2016-02-09 22:15 ` [Qemu-devel] [PATCH v4 14/16] register: Add GPIO API Alistair Francis
2016-02-29 12:22   ` Alex Bennée
2016-03-04 18:47     ` Alistair Francis
2016-02-09 22:15 ` [Qemu-devel] [PATCH v4 15/16] misc: Introduce ZynqMP IOU SLCR Alistair Francis
2016-02-09 22:15 ` [Qemu-devel] [PATCH v4 16/16] xlnx-zynqmp: Connect the " Alistair Francis
2016-02-26 16:15 ` [Qemu-devel] [PATCH v4 00/16] data-driven device registers Alex Bennée
2016-02-29 12:26 ` Alex Bennée
2016-03-03 21:27   ` Alistair Francis
2016-03-08  1:21     ` Alistair Francis

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