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import os
import os.path
import subprocess
import re
import random
import sys
sys.path.append("targets/p9_nimbus/sbeTest" )
import testIstepAuto
err = False
syms = {};
def check_sbe_tools_path ():
global SBE_TOOLS_PATH
print "checking for SBE_TOOLS_PATH .."
SB_SRC_PATH = os.environ['sb']
SB_BB_PATH = os.environ['bb']
SBE_TOOLS_REL_PATH = "/obj/ppc/sbei/sbfw/simics"
TOOLS_IN_SB = os.environ['sb'] + "/.." + SBE_TOOLS_REL_PATH
TOOLS_IN_BB = os.environ['bb'] + SBE_TOOLS_REL_PATH
if os.path.exists(TOOLS_IN_SB):
SBE_TOOLS_PATH = TOOLS_IN_SB
print "Found SBE_TOOLS_PATH at: ", SBE_TOOLS_PATH
elif os.path.exists(TOOLS_IN_BB):
SBE_TOOLS_PATH = TOOLS_IN_BB
print "Found SBE_TOOLS_PATH at: ", SBE_TOOLS_PATH
else:
print "C"
print "Error: Could not find SBE_TOOLS_PATH!"
SBE_TOOLS_PATH = ""
# MAGIC_INSTRUCTION hap handler
# arg contains the integer parameter n passed to MAGIC_INSTRUCTION(n)
# See src/include/arch/ppc.H for the definitions of the magic args.
# Hostboot magic args should range 7000..7999.
def magic_instruction_callback_sb(user_arg, cpu, arg):
print "In magic_instruction_callback."
print arg
if arg == 8008:
cpu.r3 = random.randint(1, 0xffffffffffffffffL)
if arg == 8006: # MAGIC_SHUTDOWN
# KernelMisc::shutdown()
print "KernelMisc::shutdown() called."
# Could break/stop/pause the simics run, but presently
# shutdown() is called four times. --Monte Jan 2012
# SIM_break_simulation( "Shutdown. Simulation stopped." )
# @fn register_hb_debug_framework_tools
# @brief Create a simics command wrapper for each debug tool module.
def register_sbe_debug_framework_tools():
check_sbe_tools_path ()
fillSymTable()
# Create command hook.
new_command("sbe-istep", testIstepAuto.sbe_istep_func,
args = [arg(int_t, "major"), arg(int_t, "minor")],
alias = "istep",
type = ["sbe-commands"],
short = "Runs the debug framework for istep ",
doc = "")
new_command("sbe-trace", collectTrace,
args = [],
alias = "strace",
type = ["sbe-commands"],
short = "Runs the debug framework for istep ",
doc = "")
print "SBE Debug Framework: Registered tool:", "sbe-istep"
print "SBE Debug Framework: Registered tool:", "sbe-trace"
def fillSymTable():
# symFile = os.environ['SBE_IMG_OUT_LOC'] + "/sbe.syms"
symFile = SBE_TOOLS_PATH + "/sbe.syms"
# symFile = os.environ['sb'] + "/../obj/ppc/sbei/sbfw/simics/sbe.syms"
f = open( symFile, 'r')
for line in f:
words = line.split()
if( len(words) == 3):
syms[words[2]] = words[0]
def collectTrace():
cmd1 = "pipe \"p9Proc0.sbe.mibo_space.x 0x" + syms['g_pk_trace_buf'] + " 0x2028\" \"sed 's/^p:0x........ //g' | sed 's/ ................$//g' | sed 's/ //g' | xxd -r -p> ppetrace.bin\""
cmd2 = "shell \"" + SBE_TOOLS_PATH + "/ppe2fsp ppetrace.bin sbetrace.bin \""
cmd3 = "shell \"" + SBE_TOOLS_PATH + "/fsp-trace -s " + SBE_TOOLS_PATH + "/trexStringFile sbetrace.bin > tracMERG \""
cmd4 = "shell \"" + "cat tracMERG \""
( rc, out ) = quiet_run_command( cmd1, output_modes.regular )
if ( rc ):
print "simics ERROR running %s: %d "%( cmd1, rc )
SIM_run_alone( run_command, cmd2 )
SIM_run_alone( run_command, cmd3 )
SIM_run_alone( run_command, cmd4 )
# Register the magic instruction hap handler (a callback).
SIM_hap_add_callback_range( "Core_Magic_Instruction", magic_instruction_callback_sb, None, 8000, 8190 )
# Run the registration automatically whenever this script is loaded.
register_sbe_debug_framework_tools()
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