sim: avr: start a basic testsuite

Just enough to know the sim isn't totally broken.

sim/ChangeLog

@@ -1,3 +1,8 @@
+2015-03-28  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure: Regenerate.
+	* configure.tgt (avr*-*-*): Set sim_testsuite=yes.
+
 2015-03-28  James Bowman  <james.bowman@ftdichip.com>
 
 	* configure.tgt: Add FT32 entry.

sim/configure

@@ -3642,6 +3642,7 @@ subdirs="$subdirs arm"
   subdirs="$subdirs avr"
 
 
+       sim_testsuite=yes
        ;;
    bfin-*-*)
 

sim/configure.tgt

@@ -22,6 +22,7 @@ case "${target}" in
        ;;
    avr*-*-*)
        SIM_ARCH(avr)
+       sim_testsuite=yes
        ;;
    bfin-*-*)
        SIM_ARCH(bfin)

sim/testsuite/ChangeLog

@@ -1,3 +1,7 @@
+2015-03-28  Mike Frysinger  <vapier@gentoo.org>
+
+	* configure: Regenerate.
+
 2015-03-28  James Bowman  <james.bowman@ftdichip.com>
 
 	* configure: Regenerate.

sim/testsuite/configure

@@ -1829,6 +1829,7 @@ case "${target}" in
        ;;
    avr*-*-*)
        sim_arch=avr
+       sim_testsuite=yes
        ;;
    bfin-*-*)
        sim_arch=bfin

sim/testsuite/sim/avr/ChangeLog

@@ -0,0 +1,3 @@
+2015-03-28  Mike Frysinger  <vapier@gentoo.org>
+
+	* pass.s, allinsn.exp, testutils.inc: New files.

sim/testsuite/sim/avr/allinsn.exp

@@ -0,0 +1,15 @@
+# avr simulator testsuite
+
+if [istarget avr-*] {
+    # all machines
+    set all_machs "avr"
+
+    foreach src [lsort [glob -nocomplain $srcdir/$subdir/*.s]] {
+	# If we're only testing specific files and this isn't one of them,
+	# skip it.
+	if ![runtest_file_p $runtests $src] {
+	    continue
+	}
+	run_sim_test $src $all_machs
+    }
+}

sim/testsuite/sim/avr/pass.s

@@ -0,0 +1,7 @@
+# check that the sim doesn't die immediately.
+# mach: avr
+
+.include "testutils.inc"
+
+	start
+	pass

sim/testsuite/sim/avr/testutils.inc

@@ -0,0 +1,41 @@
+# MACRO: outc
+# Write byte to stdout
+	.macro outc ch
+	ldi r16, \ch
+	out 0x32, r16
+	.endm
+
+# MACRO: exit
+	.macro exit nr
+	ldi r16, \nr
+	out 0x2f, r16
+	.endm
+
+# MACRO: pass
+# Write 'pass' to stdout and quit
+	.macro pass
+	outc 'p'
+	outc 'a'
+	outc 's'
+	outc 's'
+	outc '\n'
+	exit 0
+	.endm
+
+# MACRO: fail
+# Write 'fail' to stdout and quit
+	.macro fail
+	outc 'f'
+	outc 'a'
+	outc 'i'
+	outc 'l'
+	outc '\n'
+	exit 1
+	.endm
+
+# MACRO: start
+# All assembler tests should start with a call to "start"
+	.macro start
+	.text
+__start:
+	.endm