| ; @(#)_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 |
