diff options
| author | Christopher Faylor <me@cgf.cx> | 2000-02-17 19:39:52 +0000 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2000-02-17 19:39:52 +0000 |
| commit | 8a0efa53e44919bcf5ccb1d3353618a82afdf8bc (patch) | |
| tree | 68c3dbf3f2c6fd5d49777def9914d77b5cd4589d /newlib/libc/sys/a29khif/read.s | |
| parent | 1fd5e000ace55b323124c7e556a7a864b972a5c4 (diff) | |
| download | newlib-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.zip newlib-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.gz newlib-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.bz2 | |
import newlib-2000-02-17 snapshot
Diffstat (limited to 'newlib/libc/sys/a29khif/read.s')
| -rw-r--r-- | newlib/libc/sys/a29khif/read.s | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/newlib/libc/sys/a29khif/read.s b/newlib/libc/sys/a29khif/read.s new file mode 100644 index 0000000..1a5daf3 --- /dev/null +++ b/newlib/libc/sys/a29khif/read.s @@ -0,0 +1,54 @@ +; @(#)_read.s 1.4 90/10/14 21:57:32, AMD +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +; Copyright 1990 Advanced Micro Devices, Inc. +; +; This software is the property of Advanced Micro Devices, Inc (AMD) which +; specifically grants the user the right to modify, use and distribute this +; software provided this notice is not removed or altered. All other rights +; are reserved by AMD. +; +; AMD MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS +; SOFTWARE. IN NO EVENT SHALL AMD BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL +; DAMAGES IN CONNECTION WITH OR ARISING FROM THE FURNISHING, PERFORMANCE, OR +; USE OF THIS SOFTWARE. +; +; So that all may benefit from your experience, please report any problems +; or suggestions about this software to the 29K Technical Support Center at +; 800-29-29-AMD (800-292-9263) in the USA, or 0800-89-1131 in the UK, or +; 0031-11-1129 in Japan, toll free. The direct dial number is 512-462-4118. +; +; Advanced Micro Devices, Inc. +; 29K Support Products +; Mail Stop 573 +; 5900 E. Ben White Blvd. +; Austin, TX 78741 +; 800-292-9263 +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +; _read.s +; int nread = _read( int fd, char *buf, int count ); +; + .file "_read.s" + .include "sys/sysmac.h" + .text + .word 0x00050000 ; Debugger tag word + .global __read +;; syscalls used now -- .global _read + +__read: +;; syscalls used now -- _read: + .ifdef _BSD_OS +; BSD version - uses readv const tav,HIF_call @ asneq V_SYSCALL,gr1,gr1 @ jmpti tav,lr0 @ const tpc,_errno @ consth tpc,_errno @ store 0,0,tav,tpc @ jmpi lr0 @ constn v0,-1 + sub msp, msp, 8 + store 0, 0, lr3, msp + add tav, msp, 4 + add lr3, msp, 0 + store 0, 0, lr4, tav + const lr4, 1 + const tav,HIF_readv @ asneq V_SYSCALL,gr1,gr1 + jmpti tav, lr0 + add msp, msp, 8 + const tpc,_errno @ consth tpc,_errno @ store 0,0,tav,tpc @ jmpi lr0 @ constn v0,-1 + .else + const tav,HIF_read @ asneq V_SYSCALL,gr1,gr1 @ jmpti tav,lr0 @ const tpc,_errno @ consth tpc,_errno @ store 0,0,tav,tpc @ jmpi lr0 @ constn v0,-1 + .endif + .end |