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author | Ben LaHaise <bcrl@kvack.org> | 2002-10-08 23:33:42 +0000 |
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committer | Ben LaHaise <bcrl@kvack.org> | 2002-10-08 23:33:42 +0000 |
commit | 2a624567458a3e63a1651a7ec034d182bd748d93 (patch) | |
tree | f87e0fc52c261a4a8256a2efad6b34248f94d397 | |
parent | 5f1e4c47c9eb8cd272a9ae5fa175169e8130df6e (diff) | |
download | libaio-2a624567458a3e63a1651a7ec034d182bd748d93.tar.gz |
add libaio support for s/390libaio.0-3-93.1
-rw-r--r-- | libaio.spec | 2 | ||||
-rw-r--r-- | src/libaio.h | 8 | ||||
-rw-r--r-- | src/syscall-s390.h | 119 | ||||
-rw-r--r-- | src/syscall.h | 2 |
4 files changed, 130 insertions, 1 deletions
diff --git a/libaio.spec b/libaio.spec index fee3ef0..03b16a3 100644 --- a/libaio.spec +++ b/libaio.spec @@ -7,7 +7,7 @@ Group: System Environment/Libraries 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 --git a/src/libaio.h b/src/libaio.h index d1a202c..8d6d1ca 100644 --- a/src/libaio.h +++ b/src/libaio.h @@ -55,6 +55,14 @@ typedef enum io_iocb_cmd { #define PADDED(x, y) x; unsigned y #define PADDEDptr(x, y) x; unsigned y #define PADDEDul(x, y) unsigned long x; unsigned y +#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 --git a/src/syscall-s390.h b/src/syscall-s390.h new file mode 100644 index 0000000..b1738c7 --- /dev/null +++ b/src/syscall-s390.h @@ -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 --git a/src/syscall.h b/src/syscall.h index 3280810..f4e288f 100644 --- a/src/syscall.h +++ b/src/syscall.h @@ -12,6 +12,8 @@ #include "syscall-ia64.h" #elif defined(__PPC__) #include "syscall-ppc.h" +#elif defined(__s390__) +#include "syscall-s390.h" #else #error "add syscall-arch.h" #endif |