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/*
* Creation Date: <2001/06/20 23:03:30 samuel>
* Time-stamp: <2001/06/24 18:06:16 samuel>
*
* <performance.S>
*
*
*
* Copyright (C) 2001 Samuel Rydh (samuel@ibrium.se)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation
*
*/
#include "mol_config.h"
#include "asmdefs.h"
#include "processor.h"
#include "os_interface.h"
.macro PRE_
li r9,1
1: mtctr r9
mftb r10
2:
.endm
.macro POST_ str
bdnz 2b
mftb r11
cmpwi r9,1
li r9,10240
beq 1b
.data
4: .ascii "\str\0"
.balign 4
.text
3: LOADI r3,4b
sub r4,r11,r10
bl perf_print
.endm
.macro PRINT str
.data
10: .ascii "\str\n\0"
.balign 4
.text
LOADI r3,10b
bl printf
.endm
.macro PUSH_STACK
mflr r0
stwu r1,-16(r1)
stw r0,20(r1)
.endm
.macro POP_STACK
lwz r0,20(r1)
addi r1,r1,16
mtlr r0
.endm
#define PRE PRE_ ; .irp nn,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 ;
#define POST(str) ; .endr ; POST_ str ;
/************************************************************************/
/* Test the implementation speed */
/************************************************************************/
GLOBL(performance):
// r6-r8 unmodified by PRE/POST
PUSH_STACK
PRE nop POST("nop calibration");
// Unemulated user instructions
PRINT "--------- USER MODE ----------"
PRE li r3,3 POST("li");
PRE lwz r3,0(0) POST("lwz r3,0(0)");
PRE lfd fr3,0(0) POST("lfd fr3,0(0)");
PRE stfd fr3,0(0) POST("stfd fr3,0(0)");
PRE 44: b 44b + 4 POST("b +4");
PRE mftb r3 POST("mftb");
PRE mfctr r3 POST("mfctr");
PRE mtlr r3 POST("mtlr");
PRE mflr r3 POST("mflr");
PRE isync POST("isync");
PRE mfcr r3 POST("mfcr");
PRE mtcrf 1,r3 POST("mtcrf 1,r3");
PRINT "--------- PRIVILEGED MODE ----"
PRE mfmsr r3 POST("mfmsr");
PRE mfmsr r3 ; mtmsr r3 POST("mfmsr r3 . mtmsr r3");
PRE tlbie r3 POST("tlbie r3");
PRE tlbsync POST("tlbsync");
PRE mfsr r3,0 POST("mfsr");
PRE mtsr 0,r3 POST("mtsr");
PRE mfsrin r3,r4 POST("mfsrin");
PRE mtsrin r3,r4 POST("mtsrin");
PRE mtsrr1 r3 POST("mtsrr1");
PRE mfsrr1 r3 POST("mfsrr1");
PRE mfdec r3 POST("mfdec");
PRE mtdec r3 POST("mtdec");
PRE mtdbatu 0,r3 POST("mtdbatu 0,r3");
PRE mtdbatl 0,r3 POST("mtdbatl 0,r3");
PRE mtibatl 0,r3 POST("mtibatu 0,r3");
PRE mtibatu 0,r3 POST("mtibatl 0,r3");
PRE mfspr r3,HID0 POST("mfspr r3, HID0");
PRE mtspr HID0,r3 POST("mtspr HID0,r3");
PRE mfspr r3,HID1 POST("mfspr r3, HID1");
PRE mfspr r3,DABR POST("mfspr r3, DBAR");
POP_STACK
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