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[Qemu-devel] [PATCH v3 05/10] pc-bios/s390-ccw: Move byteswap functions
From: |
Thomas Huth |
Subject: |
[Qemu-devel] [PATCH v3 05/10] pc-bios/s390-ccw: Move byteswap functions to a separate header |
Date: |
Mon, 10 Jul 2017 17:32:35 +0200 |
We'll need them in code that is not related to bootmap.h, so
they should reside in an independent header.
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 | 25 +++++++++++++++++++++++++
3 files changed, 26 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..45b5ef4
--- /dev/null
+++ b/pc-bios/s390-ccw/bswap.h
@@ -0,0 +1,25 @@
+
+/* from include/qemu/bswap.h */
+
+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