X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=arch%2Farch-sh.h;h=58ff22652ca833782b4f42254c87ba601883aa85;hp=08c5fb3dbf68b98b503e0dfbf6e165a40c746465;hb=HEAD;hpb=e0c4a4691b78163e8dfca9221147b2b076819cf3

diff --git a/arch/arch-sh.h b/arch/arch-sh.h
index 08c5fb3d..58ff2265 100644
--- a/arch/arch-sh.h
+++ b/arch/arch-sh.h
@@ -3,32 +3,47 @@
 #ifndef ARCH_SH_H
 #define ARCH_SH_H
 
-#define ARCH	(arch_sh)
-
-#ifndef __NR_ioprio_set
-#define __NR_ioprio_set	288
-#define __NR_ioprio_get	289
-#endif
-
-#ifndef __NR_fadvise64
-#define __NR_fadvise64	250
-#endif
-
-#ifndef __NR_sys_splice
-#define __NR_sys_splice		313
-#define __NR_sys_tee		315
-#define __NR_sys_vmsplice	316
-#endif
+#define FIO_ARCH	(arch_sh)
 
 #define nop             __asm__ __volatile__ ("nop": : :"memory")
 
-#if defined(__SH4A__)
-#define	mb()		__asm__ __volatile__ ("synco": : :"memory")
-#else
-#define mb()		__asm__ __volatile__ (" " : : : "memory")
-#endif
+#define mb()								\
+	do {								\
+		if (arch_flags & ARCH_FLAG_1)				\
+			__asm__ __volatile__ ("synco": : :"memory");	\
+		else							\
+			__asm__ __volatile__ (" " : : : "memory");	\
+	} while (0)
 
 #define read_barrier()	mb()
 #define write_barrier()	mb()
 
+#include <stdio.h>
+#include <elf.h>
+
+extern unsigned long arch_flags;
+
+#define CPU_HAS_LLSC	0x0040
+
+static inline int arch_init(char *envp[])
+{
+	Elf32_auxv_t *auxv;
+
+	while (*envp++ != NULL)
+		;
+
+	for (auxv = (Elf32_auxv_t *) envp; auxv->a_type != AT_NULL; auxv++) {
+		if (auxv->a_type == AT_HWCAP) {
+			if (auxv->a_un.a_val & CPU_HAS_LLSC) {
+				arch_flags |= ARCH_FLAG_1;
+				break;
+			}
+		}
+	}
+
+	return 0;
+}
+
+#define ARCH_HAVE_INIT
+
 #endif