configure: remove unused CLOCK_MONOTONIC_* symbols

[fio.git] / arch / arch.h

diff --git a/arch/arch.h b/arch/arch.h
index 31d96d403167dd3435b6f9e66e68a055f605e7b6..a25779d4fd8521fe56a38027c182e5c7fcd5a4d5 100644 (file)
--- a/arch/arch.h
+++ b/arch/arch.h
@@ -1,9 +1,13 @@
 #ifndef ARCH_H
 #define ARCH_H
 
+#include <stdatomic.h>
+
+#include "../lib/types.h"
+
 enum {
        arch_x86_64 = 1,
-       arch_i386,
+       arch_x86,
        arch_ppc,
        arch_ia64,
        arch_s390,
@@ -14,6 +18,7 @@ enum {
        arch_sh,
        arch_hppa,
        arch_mips,
+       arch_aarch64,
 
        arch_generic,
 
@@ -29,6 +34,23 @@ enum {
 
 extern unsigned long arch_flags;
 
+#define ARCH_CPU_CLOCK_WRAPS
+
+#define atomic_add(p, v)                                       \
+       atomic_fetch_add((_Atomic typeof(*(p)) *)(p), v)
+#define atomic_sub(p, v)                                       \
+       atomic_fetch_sub((_Atomic typeof(*(p)) *)(p), v)
+#define atomic_load_relaxed(p)                                 \
+       atomic_load_explicit((_Atomic typeof(*(p)) *)(p),       \
+                            memory_order_relaxed)
+#define atomic_load_acquire(p)                                 \
+       atomic_load_explicit((_Atomic typeof(*(p)) *)(p),       \
+                            memory_order_acquire)
+#define atomic_store_release(p, v)                             \
+       atomic_store_explicit((_Atomic typeof(*(p)) *)(p), (v), \
+                             memory_order_release)
+
+/* IWYU pragma: begin_exports */
 #if defined(__i386__)
 #include "arch-x86.h"
 #elif defined(__x86_64__)
@@ -53,16 +75,15 @@ extern unsigned long arch_flags;
 #include "arch-sh.h"
 #elif defined(__hppa__)
 #include "arch-hppa.h"
+#elif defined(__aarch64__)
+#include "arch-aarch64.h"
 #else
 #warning "Unknown architecture, attempting to use generic model."
 #include "arch-generic.h"
 #endif
 
-#ifdef ARCH_HAVE_FFZ
-#define ffz(bitmask)   arch_ffz(bitmask)
-#else
 #include "../lib/ffz.h"
-#endif
+/* IWYU pragma: end_exports */
 
 #ifndef ARCH_HAVE_INIT
 static inline int arch_init(char *envp[])
@@ -71,4 +92,32 @@ static inline int arch_init(char *envp[])
 }
 #endif
 
+#ifdef __alpha__
+/*
+ * alpha is the only exception, all other architectures
+ * have common numbers for new system calls.
+ */
+# ifndef __NR_io_uring_setup
+#  define __NR_io_uring_setup          535
+# endif
+# ifndef __NR_io_uring_enter
+#  define __NR_io_uring_enter          536
+# endif
+# ifndef __NR_io_uring_register
+#  define __NR_io_uring_register       537
+# endif
+#else /* !__alpha__ */
+# ifndef __NR_io_uring_setup
+#  define __NR_io_uring_setup          425
+# endif
+# ifndef __NR_io_uring_enter
+#  define __NR_io_uring_enter          426
+# endif
+# ifndef __NR_io_uring_register
+#  define __NR_io_uring_register       427
+# endif
+#endif
+
+#define ARCH_HAVE_IOURING
+
 #endif