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[qemu-s390x] [PATCH v3 09/16] s390-bios: ptr2u32 and u32toptr
From: |
Jason J. Herne |
Subject: |
[qemu-s390x] [PATCH v3 09/16] s390-bios: ptr2u32 and u32toptr |
Date: |
Fri, 1 Mar 2019 13:59:29 -0500 |
Introduce inline functions to convert between pointers and unsigned 32-bit
ints. These are used to hide the ugliness required to avoid compiler
warnings.
Signed-off-by: Jason J. Herne <address@hidden>
Acked-by: Cornelia Huck <address@hidden>
---
pc-bios/s390-ccw/helper.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
create mode 100644 pc-bios/s390-ccw/helper.h
diff --git a/pc-bios/s390-ccw/helper.h b/pc-bios/s390-ccw/helper.h
new file mode 100644
index 0000000..b8bc61b
--- /dev/null
+++ b/pc-bios/s390-ccw/helper.h
@@ -0,0 +1,16 @@
+#ifndef S390_CCW_HELPER_H
+#define S390_CCW_HELPER_H
+
+/* Avoids compiler warnings when casting a pointer to a u32 */
+static inline uint32_t ptr2u32(void *ptr)
+{
+ return (uint32_t)(uint64_t)ptr;
+}
+
+/* Avoids compiler warnings when casting a u32 to a pointer */
+static inline void *u32toptr(uint32_t n)
+{
+ return (void *)(uint64_t)n;
+}
+
+#endif
--
2.7.4