Patchwork [RFC,v2,1/2] include/qemu: introduce sizes.h

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Submitter Antony Pavlov
Date Sept. 13, 2013, 4:33 a.m.
Message ID <1379046783-19382-2-git-send-email-antonynpavlov@gmail.com>
Download mbox | patch
Permalink /patch/274654/
State New
Headers show

Comments

Antony Pavlov - Sept. 13, 2013, 4:33 a.m.
The header file sizes.h is used in linux kernel,
barebox bootloader and u-boot bootloader. It provides
the short and easy-to-read names for power-of-two
numbers. The numbers like this are othen used
for memory range sizes.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Richard Henderson <rth@twiddle.net>
---
 include/qemu/sizes.h | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 include/qemu/sizes.h
Stefan Weil - Sept. 13, 2013, 5:53 a.m.
Am 13.09.2013 06:33, schrieb Antony Pavlov:
> The header file sizes.h is used in linux kernel,
> barebox bootloader and u-boot bootloader. It provides
> the short and easy-to-read names for power-of-two
> numbers. The numbers like this are othen used
> for memory range sizes.
>
> Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
> Reviewed-by: Stefan Weil <sw@weilnetz.de>
> Reviewed-by: Richard Henderson <rth@twiddle.net>

This list is an incorrect interpretation of Reviewed-by.

Only people who sent a Reviewed-by signed with their name
may be cited here (not everybody who sent a comment).



> ---
>  include/qemu/sizes.h | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 61 insertions(+)
>  create mode 100644 include/qemu/sizes.h
>

Patch

diff --git a/include/qemu/sizes.h b/include/qemu/sizes.h
new file mode 100644
index 0000000..a683b60
--- /dev/null
+++ b/include/qemu/sizes.h
@@ -0,0 +1,61 @@ 
+/*
+ * Handy size definitions
+ *
+ * Copyright (C) 2013 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * Inspired by linux/sizes.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef QEMU_SIZES_H
+#define QEMU_SIZES_H
+
+#include <qemu/bitops.h>
+
+#define SZ_1                BIT(0)
+#define SZ_2                BIT(1)
+#define SZ_4                BIT(2)
+#define SZ_8                BIT(3)
+#define SZ_16               BIT(4)
+#define SZ_32               BIT(5)
+#define SZ_64               BIT(6)
+#define SZ_128              BIT(7)
+#define SZ_256              BIT(8)
+#define SZ_512              BIT(9)
+
+#define SZ_1K               BIT(10)
+#define SZ_2K               BIT(11)
+#define SZ_4K               BIT(12)
+#define SZ_8K               BIT(13)
+#define SZ_16K              BIT(14)
+#define SZ_32K              BIT(15)
+#define SZ_64K              BIT(16)
+#define SZ_128K             BIT(17)
+#define SZ_256K             BIT(18)
+#define SZ_512K             BIT(19)
+
+#define SZ_1M               BIT(20)
+#define SZ_2M               BIT(21)
+#define SZ_4M               BIT(22)
+#define SZ_8M               BIT(23)
+#define SZ_16M              BIT(24)
+#define SZ_32M              BIT(25)
+#define SZ_64M              BIT(26)
+#define SZ_128M             BIT(27)
+#define SZ_256M             BIT(28)
+#define SZ_512M             BIT(29)
+
+#define SZ_1G               BIT(30)
+#define SZ_2G               BIT(31)
+
+#endif /* QEMU_SIZES_H */