[L4alpha-cvscommit] CVS: L4Alpha/pal/macros generic_macros.mar,1.6,1.7

[Daniel P. <dp...@us...>]

Update of /cvsroot/l4alpha/L4Alpha/pal/macros
In directory usw-pr-cvs1:/tmp/cvs-serv1124/pal/macros

Modified Files:
	generic_macros.mar 
Log Message:
check_cpu_exists macro fix for uniprocessor.

added profiling macros. These require more kernel support to be used.



Index: generic_macros.mar
===================================================================
RCS file: /cvsroot/l4alpha/L4Alpha/pal/macros/generic_macros.mar,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -d -r1.6 -r1.7
*** generic_macros.mar	2001/04/13 05:45:52	1.6
--- generic_macros.mar	2002/01/28 03:40:25	1.7
***************
*** 497,501 ****
  L1:		
  .iff
! 	and	cpuid, #1, result	; only CPU0 exists (bad assumption that it is zero?)
  .endc
  .endm			
--- 497,501 ----
  L1:		
  .iff
! 	cmoveq	cpuid, #1, result	; only CPU0 exists (bad assumption that it is zero?)
  .endc
  .endm			
***************
*** 594,595 ****
--- 594,643 ----
  .endm
  
+ .iif ndf profiling_enabled, profiling_enabled = 1
+ PROFILE_OFFSET = ^x40
+ 
+ ;+
+ ; profile
+ ; this macro will store the cycle counter value in memory pointed to by 0x400<<16
+ ; with a code int_code.
+ ;-
+ 
+ .macro profile_end int_code, tmpa, tmpb, tmpc ?L1
+ .if df profiling_enabled
+        rpcc  tmpc
+        ldq_p tmpa, PROFILE_OFFSET(zero) ; pointer offset
+        beq   tmpa, L1		; if pointer not set dont profile.
+        addq  tmpa, #16, tmpb	; increment.
+        stq_p tmpb, PROFILE_OFFSET(zero) ; update pointer offset
+        lda   tmpb, int_code(zero) ; load code - syscall etc...
+        stq_p tmpb, 0(tmpa)
+        stq_p tmpc, 8(tmpa)	; store cycle count
+ L1:
+ .endc
+ .endm
+        
+ .macro profile_start int_code, tmpa, tmpb ?L1
+ .if df profiling_enabled
+        ldq_p tmpa, PROFILE_OFFSET(zero) ; pointer offset
+        beq   tmpa, L1		; if pointer not set dont profile.
+        addq  tmpa, #16, tmpb	; increment.
+        stq_p tmpb, PROFILE_OFFSET(zero) ; update pointer offset
+        lda   tmpb, int_code(zero) ; load code - syscall etc...
+        stq_p tmpb, 0(tmpa)
+        nop
+        nop
+ 	nop
+ 	nop
+ 	nop
+ 	nop
+ 
+        rpcc tmpb	
+ 	nop
+ 	nop
+ 	nop
+ 	nop
+        stq_p tmpb, 8(tmpa)	; store cycle count
+ L1:
+ .endc
+ .endm
+