diff options
Diffstat (limited to 'c/src/lib/libbsp/i960/rxgen960/timer/timerisr.S')
-rw-r--r-- | c/src/lib/libbsp/i960/rxgen960/timer/timerisr.S | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/c/src/lib/libbsp/i960/rxgen960/timer/timerisr.S b/c/src/lib/libbsp/i960/rxgen960/timer/timerisr.S deleted file mode 100644 index 984a360b39..0000000000 --- a/c/src/lib/libbsp/i960/rxgen960/timer/timerisr.S +++ /dev/null @@ -1,64 +0,0 @@ -/* timer_isr() - * - * This routine initializes the Z8536 timer on the SQSIO4 SQUALL - * board for the CVME961 board. The timer is setup to provide a - * tick every 0x10000 / 2 milliseconds. This is used to time - * executing code. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id$ - */ - -#include <rtems/asm.h> - -.set PORT_A, 0xc00000a8 # port A -.set PORT_B, 0xc00000a4 # port B -.set PORT_C, 0xc00000a0 # port C -.set CTL_PORT, 0xc00000ac # control port - -.set T1CSR, 0x0a # T1 command/status reg -.set RELOAD, 0x24 # clr IP & IUS,allow countdown - -/* - * Duplicating this symbol is stupid but eliminates - * toolset variation problems. - */ - PUBLIC(timerisr) - PUBLIC(_timerisr) -SYM (timerisr): -SYM (_timerisr): - #ldconst 1,r4 - #modpc 0,r4,r4 # enable tracing - - ld _Ttimer_val,r6 # r6 = test timer - - ldconst T1CSR,r4 # r4 = T1 control status reg - stob r4,CTL_PORT # select T1CSR - ldconst RELOAD,r5 # r5 = reset value - stob r5,CTL_PORT # reset countdown - addo 1,r6,r6 - st r6,_Ttimer_val # increment test timer -loop_til_cleared: - /* clrbit 4,sf0,sf0 XXX JRS */ - /* bbs 4,sf0,loop_til_cleared XXX JRS */ -leaf: ret - - .leafproc _flush_reg, flush_reg.lf - .globl _flush_reg, flush_reg.lf -_flush_reg: - lda leaf,g14 # g14 = exit address -flush_reg.lf: - flushreg - mov g14,g0 # g0 = exit address - ldconst 0,g14 # set g14 for non-leaf - bx (g0) |