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# Copyright 2009 Free Software Foundation, Inc.

#

# 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; either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see .

#

# Contributed by Markus Deuling .

#

# Testsuite for Cell Broadband Engine combined debugger

# This testcase checks if the "show architecture" command works properly.

load_lib cell.exp

set ppu_file "break"

set ppu_src ${srcdir}/${subdir}/${ppu_file}.c

set ppu_bin ${objdir}/${subdir}/${ppu_file}

set spu_file "break-spu"

set spu_src ${srcdir}/${subdir}/${spu_file}.c

set spu_bin ${objdir}/${subdir}/${spu_file}

if {[skip_cell_tests]} {

    return 0

}

# Compile SPU binary.

if { [gdb_compile_cell_spu $spu_src $spu_bin executable {debug}]  != "" } {

  unsupported "Compiling spu binary failed."

  return -1

}

# Compile PPU binary.

if { [gdb_cell_embedspu $spu_bin $spu_bin-embed.o {debug}]  != "" } {

  unsupported "Embedding spu binary failed."

  return -1

}

if { [gdb_compile_cell_ppu [list $ppu_src $spu_bin-embed.o] $ppu_bin executable {debug}] != "" } {

  unsupported "Compiling ppu binary failed."

  return -1

}

if [get_compiler_info ${ppu_bin}] {

  return -1

}

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${ppu_bin}

# No programm running, default architecture should be powerpc:common.

gdb_test "show architecture" \

         "The target architecture is set automatically.*currently powerpc:common.*" \

         "startup architecture is powerpc:common"

if ![runto_main] then {

  fail "Can't run to main"

  return 0

}

# In PPU thread, architecture should be powerpc:common.

gdb_test "show architecture" \

         "The target architecture is set automatically.*currently powerpc:common.*" \

         "ppu architecture is powerpc:common"

# Switch to SPU thread.

cont_spu_main

check_spu_arch ""

# Remember thread ID of first thread to hit SPU main.

send_gdb "thread\n"

gdb_expect 10 {

    -re "Current thread is (\[0-9\]*) .*\r\n$gdb_prompt $" {

        pass "Retrieve current thread"

        set thread_id $expect_out(1,string)

    }

    -re "$gdb_prompt $" {

        fail "Retrieve current thread"

        return 0

    }

    timeout {

        fail "Retrieve current thread (timed out)"

        return 0

    }

}

# Stress Test: Switching from PPU- to SPU-Thread and back 'rep' times.

set rep 100

for {set i 0} {$i < $rep} {incr i} {

  # Switch to PPU Thread.

  gdb_test "t 1" \

           "Switching to thread 1.*" \

           "switch back to thread 1 (PPU) #$i"

  # In PPU Thread, architecture should again be powerpc:common.

  gdb_test "show architecture" \

           "The target architecture is set automatically.*currently powerpc:common.*" \

           "ppu architecture is powerpc:common again #$i"

  # Thread switching to SPU.

  gdb_test "t $thread_id" \

           "Switching to thread $thread_id.*at.*$spu_file.c.*" \

           "switch back to thread $thread_id (spu) #$i"

  # Standing in SPU thread again, architecture should be spu:256K again.

  check_spu_arch "spu architecture is spu256K again #$i"

}

# End of Stress Test loop

gdb_exit

return 0