On Tuesday 17 September 2002 04:12, Benjamin LaHaise wrote:
> linux-aio@kvack.org, it would be appreciated. My hit list still
> includes getting ARM, PPC, S/390, SPARC and m68k support merged into
> libaio, so if anyone cares to provide patches, I'd appreciate it. Cheers,
Hi,
I've been meaning to send this earlier, but somehow forgot about it.
Unfortunately, I have not been able to make all the test cases work,
but that might be because it used a patched 2.4-aa kernel, not the
latest 2.5.
Arnd <><
diff -ur --new-file libaio-0.3.92-orig/libaio.spec libaio-0.3.92/libaio.spec
--- libaio-0.3.92-orig/libaio.spec Sat Sep 14 01:57:13 2002
+++ libaio-0.3.92/libaio.spec Tue Sep 17 10:58:29 2002
@@ -7,7 +7,7 @@
Source: %{name}-%{version}.tar.gz
BuildRoot: %{_tmppath}/%{name}-root
# Fix ExclusiveArch as we implement this functionality on more architectures
-ExclusiveArch: i386 x86_64 ia64
+ExclusiveArch: i386 x86_64 ia64 s390 s390x
%description
The Linux-native asynchronous I/O facility ("async I/O", or "aio") has a
diff -ur --new-file libaio-0.3.92-orig/src/libaio.h libaio-0.3.92/src/libaio.h
--- libaio-0.3.92-orig/src/libaio.h Tue Sep 17 00:45:18 2002
+++ libaio-0.3.92/src/libaio.h Tue Sep 17 11:40:49 2002
@@ -51,6 +51,14 @@
#define PADDED(x, y) x, y
#define PADDEDptr(x, y) x
#define PADDEDul(x, y) unsigned long x
+#elif defined(__s390x__) /* big endian, 64 bits */
+#define PADDED(x, y) unsigned y; x
+#define PADDEDptr(x,y) x
+#define PADDEDul(x, y) unsigned long x
+#elif defined(__s390__) /* 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
diff -ur --new-file libaio-0.3.92-orig/src/syscall-s390.h libaio-0.3.92/src/syscall-s390.h
--- libaio-0.3.92-orig/src/syscall-s390.h Thu Jan 1 01:00:00 1970
+++ libaio-0.3.92/src/syscall-s390.h Tue Sep 17 11:43:47 2002
@@ -0,0 +1,119 @@
+#define __NR_io_setup 243
+#define __NR_io_destroy 244
+#define __NR_io_getevents 245
+#define __NR_io_submit 246
+#define __NR_io_cancel 247
+
+#define _svc_clobber "2", "cc", "memory"
+
+#ifdef __s390x__
+#define __LR "lgr " /* 64 bit load register */
+#else
+#define __LR "lr " /* 32 bit load register */
+#endif
+
+#define io_syscall0(type,name) \
+type name(void) { \
+ long __res; \
+ __asm__ __volatile__ ( \
+ " svc %b1\n" \
+ " "__LR" %0,2" \
+ : "=d" (__res) \
+ : "i" (__NR_##name) \
+ : _svc_clobber ); \
+ return (type) __res; \
+}
+
+#define io_syscall1(type,name,type1,arg1) \
+type name(type1 arg1) { \
+ register type1 __arg1 asm("2") = arg1; \
+ long __res; \
+ __asm__ __volatile__ ( \
+ " svc %b1\n" \
+ " "__LR" %0,2" \
+ : "=d" (__res) \
+ : "i" (__NR_##name), \
+ "d" (__arg1) \
+ : _svc_clobber ); \
+ return (type) __res; \
+}
+
+#define io_syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1, type2 arg2) { \
+ register type1 __arg1 asm("2") = arg1; \
+ register type2 __arg2 asm("3") = arg2; \
+ long __res; \
+ __asm__ __volatile__ ( \
+ " svc %b1\n" \
+ " "__LR" %0,2" \
+ : "=d" (__res) \
+ : "i" (__NR_##name), \
+ "d" (__arg1), \
+ "d" (__arg2) \
+ : _svc_clobber ); \
+ return (type) __res; \
+}
+
+#define io_syscall3(type,name,type1,arg1,type2,arg2, \
+ type3,arg3) \
+type name(type1 arg1, type2 arg2, type3 arg3) { \
+ register type1 __arg1 asm("2") = arg1; \
+ register type2 __arg2 asm("3") = arg2; \
+ register type3 __arg3 asm("4") = arg3; \
+ long __res; \
+ __asm__ __volatile__ ( \
+ " svc %b1\n" \
+ " "__LR" %0,2" \
+ : "=d" (__res) \
+ : "i" (__NR_##name), \
+ "d" (__arg1), \
+ "d" (__arg2), \
+ "d" (__arg3) \
+ : _svc_clobber ); \
+ return (type) __res; \
+}
+
+#define io_syscall4(type,name,type1,arg1,type2,arg2, \
+ type3,arg3,type4,arg4) \
+type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
+ register type1 __arg1 asm("2") = arg1; \
+ register type2 __arg2 asm("3") = arg2; \
+ register type3 __arg3 asm("4") = arg3; \
+ register type4 __arg4 asm("5") = arg4; \
+ long __res; \
+ __asm__ __volatile__ ( \
+ " svc %b1\n" \
+ " "__LR" %0,2" \
+ : "=d" (__res) \
+ : "i" (__NR_##name), \
+ "d" (__arg1), \
+ "d" (__arg2), \
+ "d" (__arg3), \
+ "d" (__arg4) \
+ : _svc_clobber ); \
+ return (type) __res; \
+}
+
+#define io_syscall5(type,name,type1,arg1,type2,arg2, \
+ type3,arg3,type4,arg4,type5,arg5) \
+type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
+ type5 arg5) { \
+ register type1 __arg1 asm("2") = arg1; \
+ register type2 __arg2 asm("3") = arg2; \
+ register type3 __arg3 asm("4") = arg3; \
+ register type4 __arg4 asm("5") = arg4; \
+ register type5 __arg5 asm("6") = arg5; \
+ long __res; \
+ __asm__ __volatile__ ( \
+ " svc %b1\n" \
+ " "__LR" %0,2" \
+ : "=d" (__res) \
+ : "i" (__NR_##name), \
+ "d" (__arg1), \
+ "d" (__arg2), \
+ "d" (__arg3), \
+ "d" (__arg4), \
+ "d" (__arg5) \
+ : _svc_clobber ); \
+ return (type) __res; \
+}
diff -ur --new-file libaio-0.3.92-orig/src/syscall.h libaio-0.3.92/src/syscall.h
--- libaio-0.3.92-orig/src/syscall.h Sat Sep 14 01:07:20 2002
+++ libaio-0.3.92/src/syscall.h Tue Sep 17 10:46:54 2002
@@ -10,6 +10,8 @@
#include "syscall-x86_64.h"
#elif defined(__ia64__)
#include "syscall-ia64.h"
+#elif defined(__s390__)
+#include "syscall-s390.h"
#else
#error "add syscall-arch.h"
#endif
-
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