Add AVR32 support to libaio
Taken from OpenWRT repository.
--- a/src/libaio.h
+++ b/src/libaio.h
@@ -107,6 +107,10 @@ typedef enum io_iocb_cmd {
# else
# error "neither mipseb nor mipsel?"
# endif
+#elif defined(__avr32__) /* big endian, 32 bits */
+#define PADDED(x, y) unsigned y; x
+#define PADDEDptr(x, y) unsigned y; x
+#define PADDEDul(x, y) unsigned y; unsigned long x;
#else
#error endian?
#endif
--- /dev/null
+++ b/src/syscall-avr32.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#define __NR_io_setup 197
+#define __NR_io_destroy 198
+#define __NR_io_getevents 199
+#define __NR_io_submit 200
+#define __NR_io_cancel 201
+
+#define io_syscall1(type,fname,sname,type1,arg1) \
+type fname(type1 arg1) \
+{ \
+ register long __r12 __asm__("r12") = (long)arg1; \
+ register long __res_r12 __asm__("r12"); \
+ register long __scno __asm__("r8") = __NR_##sname; \
+ __asm__ __volatile__("scall" \
+ : "=r"(__res_r12) \
+ : "0"(__r12), "r"(__scno) \
+ : "memory"); \
+ return (type) __res_r12; \
+}
+
+#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
+type fname(type1 arg1, type2 arg2) \
+{ \
+ register long __r12 __asm__("r12") = (long)arg1; \
+ register long __r11 __asm__("r11") = (long)arg2; \
+ register long __res_r12 __asm__("r12"); \
+ register long __scno __asm__("r8") = __NR_##sname; \
+ __asm__ __volatile__("scall" \
+ : "=r"(__res_r12) \
+ : "0"(__r12), "r"(__r11), "r"(__scno) \
+ : "memory"); \
+ return (type) __res_r12; \
+}
+
+#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
+type fname(type1 arg1, type2 arg2, type3 arg3) \
+{ \
+ register long __r12 __asm__("r12") = (long)arg1; \
+ register long __r11 __asm__("r11") = (long)arg2; \
+ register long __r10 __asm__("r10") = (long)arg3; \
+ register long __res_r12 __asm__("r12"); \
+ register long __scno __asm__("r8") = __NR_##sname; \
+ __asm__ __volatile__("scall" \
+ : "=r"(__res_r12) \
+ : "0"(__r12), "r"(__r11), "r"(__r10), \
+ "r"(__scno) \
+ : "memory"); \
+ return (type) __res_r12; \
+}
+
+#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+ register long __r12 __asm__("r12") = (long)arg1; \
+ register long __r11 __asm__("r11") = (long)arg2; \
+ register long __r10 __asm__("r10") = (long)arg3; \
+ register long __r9 __asm__("r9") = (long)arg4; \
+ register long __res_r12 __asm__("r12"); \
+ register long __scno __asm__("r8") = __NR_##sname; \
+ __asm__ __volatile__("scall" \
+ : "=r"(__res_r12) \
+ : "0"(__r12), "r"(__r11), "r"(__r10), \
+ "r"(__r9), "r"(__scno) \
+ : "memory"); \
+ return (type) __res_r12; \
+}
+
+#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
+type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
+{ \
+ register long __r12 __asm__("r12") = (long)arg1; \
+ register long __r11 __asm__("r11") = (long)arg2; \
+ register long __r10 __asm__("r10") = (long)arg3; \
+ register long __r9 __asm__("r9") = (long)arg4; \
+ register long __r5 __asm__("r5") = (long)arg5; \
+ register long __res_r12 __asm__("r12"); \
+ register long __scno __asm__("r8") = __NR_##sname; \
+ __asm__ __volatile__("scall" \
+ : "=r"(__res_r12) \
+ : "0"(__r12), "r"(__r11), "r"(__r10), \
+ "r"(__r9), "r"(__r5), "r"(__scno) \
+ : "memory"); \
+ return (type) __res_r12; \
+}
--- a/src/syscall.h
+++ b/src/syscall.h
@@ -32,6 +32,8 @@
#include "syscall-parisc.h"
#elif defined(__mips__)
#include "syscall-mips.h"
+#elif defined(__avr32__)
+#include "syscall-avr32.h"
#else
#error "add syscall-arch.h"
#endif
