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[PATCH 1/2] include/exec: Make ld*_p and st*_p functions available for g
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From: |
Thomas Huth |
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Subject: |
[PATCH 1/2] include/exec: Make ld*_p and st*_p functions available for generic code, too |
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Date: |
Wed, 17 May 2023 09:42:21 +0200 |
This will allow to move more code into the target independent source set.
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
include/exec/cpu-all.h | 25 ----------------
include/exec/tswap.h | 66 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 66 insertions(+), 25 deletions(-)
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index ad824fee52..0daa4c06e5 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -55,31 +55,6 @@
#define bswaptls(s) bswap64s(s)
#endif
-/* Target-endianness CPU memory access functions. These fit into the
- * {ld,st}{type}{sign}{size}{endian}_p naming scheme described in bswap.h.
- */
-#if TARGET_BIG_ENDIAN
-#define lduw_p(p) lduw_be_p(p)
-#define ldsw_p(p) ldsw_be_p(p)
-#define ldl_p(p) ldl_be_p(p)
-#define ldq_p(p) ldq_be_p(p)
-#define stw_p(p, v) stw_be_p(p, v)
-#define stl_p(p, v) stl_be_p(p, v)
-#define stq_p(p, v) stq_be_p(p, v)
-#define ldn_p(p, sz) ldn_be_p(p, sz)
-#define stn_p(p, sz, v) stn_be_p(p, sz, v)
-#else
-#define lduw_p(p) lduw_le_p(p)
-#define ldsw_p(p) ldsw_le_p(p)
-#define ldl_p(p) ldl_le_p(p)
-#define ldq_p(p) ldq_le_p(p)
-#define stw_p(p, v) stw_le_p(p, v)
-#define stl_p(p, v) stl_le_p(p, v)
-#define stq_p(p, v) stq_le_p(p, v)
-#define ldn_p(p, sz) ldn_le_p(p, sz)
-#define stn_p(p, sz, v) stn_le_p(p, sz, v)
-#endif
-
/* MMU memory access macros */
#if defined(CONFIG_USER_ONLY)
diff --git a/include/exec/tswap.h b/include/exec/tswap.h
index 68944a880b..2774820bbe 100644
--- a/include/exec/tswap.h
+++ b/include/exec/tswap.h
@@ -69,4 +69,70 @@ static inline void tswap64s(uint64_t *s)
}
}
+/*
+ * Target-endianness CPU memory access functions. These fit into the
+ * {ld,st}{type}{sign}{size}{endian}_p naming scheme described in bswap.h.
+ */
+
+static inline int lduw_p(const void *ptr)
+{
+ return (uint16_t)tswap16(lduw_he_p(ptr));
+}
+
+static inline int ldsw_p(const void *ptr)
+{
+ return (int16_t)tswap16(lduw_he_p(ptr));
+}
+
+static inline int ldl_p(const void *ptr)
+{
+ return tswap32(ldl_he_p(ptr));
+}
+
+static inline uint64_t ldq_p(const void *ptr)
+{
+ return tswap64(ldq_he_p(ptr));
+}
+
+static inline uint64_t ldn_p(const void *ptr, int sz)
+{
+ if (target_needs_bswap()) {
+#if HOST_BIG_ENDIAN
+ return ldn_le_p(ptr, sz);
+#else
+ return ldn_be_p(ptr, sz);
+#endif
+ } else {
+ return ldn_he_p(ptr, sz);
+ }
+}
+
+static inline void stw_p(void *ptr, uint16_t v)
+{
+ stw_he_p(ptr, tswap16(v));
+}
+
+static inline void stl_p(void *ptr, uint32_t v)
+{
+ stl_he_p(ptr, tswap32(v));
+}
+
+static inline void stq_p(void *ptr, uint64_t v)
+{
+ stq_he_p(ptr, tswap64(v));
+}
+
+static inline void stn_p(void *ptr, int sz, uint64_t v)
+{
+ if (target_needs_bswap()) {
+#if HOST_BIG_ENDIAN
+ stn_le_p(ptr, sz, v);
+#else
+ stn_be_p(ptr, sz, v);
+#endif
+ } else {
+ stn_he_p(ptr, sz, v);
+ }
+}
+
#endif /* TSWAP_H */
--
2.31.1