mirror of
https://git.busybox.net/buildroot.git
synced 2024-12-15 00:03:39 +08:00
1e17f73d27
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
123 lines
4.0 KiB
Diff
123 lines
4.0 KiB
Diff
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
|