From d88423b54b84a483a36ee5c9c20397ce3102385b Mon Sep 17 00:00:00 2001 From: Jeff Moyer Date: Wed, 30 Jan 2013 14:55:23 -0500 Subject: add arm64 (aarch64) support The libaio.h changes came from Riku Voipio . The syscall-arm64.h file is an adapter version of the syscall-arm.h file. Signed-off-by: Jeff Moyer --- src/libaio.h | 10 ++++++ src/syscall-arm64.h | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++ src/syscall.h | 2 ++ 3 files changed, 113 insertions(+) create mode 100644 src/syscall-arm64.h diff --git a/src/libaio.h b/src/libaio.h index 18dbc2a..c03ff9c 100644 --- a/src/libaio.h +++ b/src/libaio.h @@ -91,6 +91,16 @@ typedef enum io_iocb_cmd { #define PADDED(x, y) unsigned y; x #define PADDEDptr(x, y) unsigned y; x #define PADDEDul(x, y) unsigned y; unsigned long x +#elif defined(__aarch64__) +# if defined (__AARCH64EB__) /* 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(__AARCH64EL__) /* little endian, 64 bits */ +#define PADDED(x, y) x, y +#define PADDEDptr(x, y) x +#define PADDEDul(x, y) unsigned long x +# endif #else #error endian? #endif diff --git a/src/syscall-arm64.h b/src/syscall-arm64.h new file mode 100644 index 0000000..031c571 --- /dev/null +++ b/src/syscall-arm64.h @@ -0,0 +1,101 @@ +/* + * linux/include/asm-arm/unistd.h + * + * Copyright (C) 2001-2005 Russell King + * + * 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. + * + * Please forward _all_ changes to this file to rmk@arm.linux.org.uk, + * no matter what the change is. Thanks! + */ + +#define __NR_io_setup 0 +#define __NR_io_destroy 1 +#define __NR_io_submit 2 +#define __NR_io_cancel 3 +#define __NR_io_getevents 4 + +#define __sys2(x) #x +#define __sys1(x) __sys2(x) + +#define __SYS_REG(name) register long __sysreg __asm__("w8") = __NR_##name; +#define __SYS_REG_LIST(regs...) "r" (__sysreg) , ##regs +#define __syscall(name) "svc\t#0" + +#define io_syscall1(type,fname,sname,type1,arg1) \ +type fname(type1 arg1) { \ + __SYS_REG(sname) \ + register long __x0 __asm__("x0") = (long)arg1; \ + register long __res_x0 __asm__("x0"); \ + __asm__ __volatile__ ( \ + __syscall(sname) \ + : "=r" (__res_x0) \ + : __SYS_REG_LIST( "0" (__x0) ) \ + : "memory" ); \ + return (type) __res_x0; \ +} + +#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \ +type fname(type1 arg1,type2 arg2) { \ + __SYS_REG(sname) \ + register long __x0 __asm__("x0") = (long)arg1; \ + register long __x1 __asm__("x1") = (long)arg2; \ + register long __res_x0 __asm__("x0"); \ + __asm__ __volatile__ ( \ + __syscall(sname) \ + : "=r" (__res_x0) \ + : __SYS_REG_LIST( "0" (__x0), "r" (__x1) ) \ + : "memory" ); \ + return (type) __res_x0; \ +} + +#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \ +type fname(type1 arg1,type2 arg2,type3 arg3) { \ + __SYS_REG(sname) \ + register long __x0 __asm__("x0") = (long)arg1; \ + register long __x1 __asm__("x1") = (long)arg2; \ + register long __x2 __asm__("x2") = (long)arg3; \ + register long __res_x0 __asm__("x0"); \ + __asm__ __volatile__ ( \ + __syscall(sname) \ + : "=r" (__res_x0) \ + : __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2) ) \ + : "memory" ); \ + return (type) __res_x0; \ +} + +#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\ +type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ + __SYS_REG(sname) \ + register long __x0 __asm__("x0") = (long)arg1; \ + register long __x1 __asm__("x1") = (long)arg2; \ + register long __x2 __asm__("x2") = (long)arg3; \ + register long __x3 __asm__("x3") = (long)arg4; \ + register long __res_x0 __asm__("x0"); \ + __asm__ __volatile__ ( \ + __syscall(sname) \ + : "=r" (__res_x0) \ + : __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2), "r" (__x3) ) \ + : "memory" ); \ + return (type) __res_x0; \ +} + +#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) {\ + __SYS_REG(sname) \ + register long __x0 __asm__("x0") = (long)arg1; \ + register long __x1 __asm__("x1") = (long)arg2; \ + register long __x2 __asm__("x2") = (long)arg3; \ + register long __x3 __asm__("x3") = (long)arg4; \ + register long __x4 __asm__("x4") = (long)arg5; \ + register long __res_x0 __asm__("x0"); \ + __asm__ __volatile__ ( \ + __syscall(sname) \ + : "=r" (__res_x0) \ + : __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2), \ + "r" (__x3), "r" (__x4) ) \ + : "memory" ); \ + return (type) __res_x0; \ +} diff --git a/src/syscall.h b/src/syscall.h index 62879a5..6ece660 100644 --- a/src/syscall.h +++ b/src/syscall.h @@ -26,6 +26,8 @@ #include "syscall-arm.h" #elif defined(__sparc__) #include "syscall-sparc.h" +#elif defined(__aarch64__) +#include "syscall-arm64.h" #else #error "add syscall-arch.h" #endif -- cgit v1.2.1