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[Qemu-devel] [PATCH v5 05/11] pc-bios/s390-ccw: Move byteswap functions
From: |
Thomas Huth |
Subject: |
[Qemu-devel] [PATCH v5 05/11] pc-bios/s390-ccw: Move byteswap functions to a separate header |
Date: |
Wed, 12 Jul 2017 14:49:47 +0200 |
We'll need them in code that is not related to bootmap.h, so
they should reside in an independent header.
Reviewed-by: Christian Borntraeger <address@hidden>
Acked-by: Cornelia Huck <address@hidden>
Signed-off-by: Thomas Huth <address@hidden>
---
pc-bios/s390-ccw/bootmap.c | 1 +
pc-bios/s390-ccw/bootmap.h | 26 --------------------------
pc-bios/s390-ccw/bswap.h | 30 ++++++++++++++++++++++++++++++
3 files changed, 31 insertions(+), 26 deletions(-)
create mode 100644 pc-bios/s390-ccw/bswap.h
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index 458d3da..67a6123 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -12,6 +12,7 @@
#include "s390-ccw.h"
#include "bootmap.h"
#include "virtio.h"
+#include "bswap.h"
#ifdef DEBUG
/* #define DEBUG_FALLBACK */
diff --git a/pc-bios/s390-ccw/bootmap.h b/pc-bios/s390-ccw/bootmap.h
index 7f36782..cf99a4c 100644
--- a/pc-bios/s390-ccw/bootmap.h
+++ b/pc-bios/s390-ccw/bootmap.h
@@ -324,32 +324,6 @@ static inline int _memcmp(const void *s1, const void *s2,
size_t n)
return 0;
}
-/* from include/qemu/bswap.h */
-
-/* El Torito is always little-endian */
-static inline uint16_t bswap16(uint16_t x)
-{
- return ((x & 0x00ff) << 8) | ((x & 0xff00) >> 8);
-}
-
-static inline uint32_t bswap32(uint32_t x)
-{
- return ((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) |
- ((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24);
-}
-
-static inline uint64_t bswap64(uint64_t x)
-{
- return ((x & 0x00000000000000ffULL) << 56) |
- ((x & 0x000000000000ff00ULL) << 40) |
- ((x & 0x0000000000ff0000ULL) << 24) |
- ((x & 0x00000000ff000000ULL) << 8) |
- ((x & 0x000000ff00000000ULL) >> 8) |
- ((x & 0x0000ff0000000000ULL) >> 24) |
- ((x & 0x00ff000000000000ULL) >> 40) |
- ((x & 0xff00000000000000ULL) >> 56);
-}
-
static inline uint32_t iso_733_to_u32(uint64_t x)
{
return (uint32_t)x;
diff --git a/pc-bios/s390-ccw/bswap.h b/pc-bios/s390-ccw/bswap.h
new file mode 100644
index 0000000..a422604
--- /dev/null
+++ b/pc-bios/s390-ccw/bswap.h
@@ -0,0 +1,30 @@
+/*
+ * Byte swap functions - taken from include/qemu/bswap.h
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or (at
+ * your option) any later version. See the COPYING file in the top-level
+ * directory.
+ */
+
+static inline uint16_t bswap16(uint16_t x)
+{
+ return ((x & 0x00ff) << 8) | ((x & 0xff00) >> 8);
+}
+
+static inline uint32_t bswap32(uint32_t x)
+{
+ return ((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) |
+ ((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24);
+}
+
+static inline uint64_t bswap64(uint64_t x)
+{
+ return ((x & 0x00000000000000ffULL) << 56) |
+ ((x & 0x000000000000ff00ULL) << 40) |
+ ((x & 0x0000000000ff0000ULL) << 24) |
+ ((x & 0x00000000ff000000ULL) << 8) |
+ ((x & 0x000000ff00000000ULL) >> 8) |
+ ((x & 0x0000ff0000000000ULL) >> 24) |
+ ((x & 0x00ff000000000000ULL) >> 40) |
+ ((x & 0xff00000000000000ULL) >> 56);
+}
--
1.8.3.1
- [Qemu-devel] [PATCH v5 00/11] Implement network booting in the s390-ccw BIOS, Thomas Huth, 2017/07/12
- [Qemu-devel] [PATCH v5 01/11] pc-bios/s390-ccw: Move libc functions to separate header, Thomas Huth, 2017/07/12
- [Qemu-devel] [PATCH v5 02/11] pc-bios/s390-ccw: Move ebc2asc to sclp.c, Thomas Huth, 2017/07/12
- [Qemu-devel] [PATCH v5 03/11] pc-bios/s390-ccw: Move virtio-block related functions into a separate file, Thomas Huth, 2017/07/12
- [Qemu-devel] [PATCH v5 04/11] pc-bios/s390-ccw: Add a write() function for stdio, Thomas Huth, 2017/07/12
- [Qemu-devel] [PATCH v5 05/11] pc-bios/s390-ccw: Move byteswap functions to a separate header,
Thomas Huth <=
- [Qemu-devel] [PATCH v5 06/11] pc-bios/s390-ccw: Remove unused structs from virtio.h, Thomas Huth, 2017/07/12
- [Qemu-devel] [PATCH v5 07/11] pc-bios/s390-ccw: Add code for virtio feature negotiation, Thomas Huth, 2017/07/12
- [Qemu-devel] [PATCH v5 08/11] roms/SLOF: Update submodule to latest status, Thomas Huth, 2017/07/12
- [Qemu-devel] [PATCH v5 09/11] pc-bios/s390-ccw: Add core files for the network bootloading program, Thomas Huth, 2017/07/12
- [Qemu-devel] [PATCH v5 10/11] pc-bios/s390-ccw: Add virtio-net driver code, Thomas Huth, 2017/07/12
- [Qemu-devel] [PATCH v5 11/11] pc-bios/s390-ccw: Link libnet into the netboot image and do the TFTP load, Thomas Huth, 2017/07/12
- Re: [Qemu-devel] [PATCH v5 00/11] Implement network booting in the s390-ccw BIOS, Christian Borntraeger, 2017/07/12
- Re: [Qemu-devel] [PATCH v5 00/11] Implement network booting in the s390-ccw BIOS, no-reply, 2017/07/12