From 36f7a9411dcd7dbeb3483bc83a1acbb3dd235deb Mon Sep 17 00:00:00 2001 From: Tom Rix Date: Mon, 28 Sep 2015 12:09:32 +0930 Subject: [PATCH] Patches for illegal ppc 500 instructions This change marks a few opcodes as invalid for ppc e500 as well as adds a test to verify the change. --- gas/testsuite/ChangeLog | 6 ++++++ gas/testsuite/gas/ppc/e500-ill.l | 8 ++++++++ gas/testsuite/gas/ppc/e500-ill.s | 11 +++++++++++ gas/testsuite/gas/ppc/ppc.exp | 1 + opcodes/ChangeLog | 4 ++++ opcodes/ppc-opc.c | 14 +++++++------- 6 files changed, 37 insertions(+), 7 deletions(-) create mode 100644 gas/testsuite/gas/ppc/e500-ill.l create mode 100644 gas/testsuite/gas/ppc/e500-ill.s diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index f6f8b37..c770a29 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2015-09-28 Tom Rix + + * gas/ppc/e500-ill.s: New testcase for illegal ppc e500 ops. + * gas/ppc/e500-ill.l: Expected results. + * gas/ppc/ppc.exp: Run it. + 2015-08-25 Jose E. Marchesi * gas/sparc/wrpr.s: Test writing to the privileged %pmcdper diff --git a/gas/testsuite/gas/ppc/e500-ill.l b/gas/testsuite/gas/ppc/e500-ill.l new file mode 100644 index 0000000..f62f762 --- /dev/null +++ b/gas/testsuite/gas/ppc/e500-ill.l @@ -0,0 +1,8 @@ +.*: Assembler messages: +.*:5: Error: unrecognized opcode: `eciwx' +.*:6: Error: unrecognized opcode: `ecowx' +.*:7: Error: unrecognized opcode: `mfapidi' +.*:8: Error: unrecognized opcode: `mfdcr' +.*:9: Error: unrecognized opcode: `mtdcr' +.*:10: Error: unrecognized opcode: `tlbia' +.*:11: Error: unrecognized opcode: `tlbie' diff --git a/gas/testsuite/gas/ppc/e500-ill.s b/gas/testsuite/gas/ppc/e500-ill.s new file mode 100644 index 0000000..890faf6 --- /dev/null +++ b/gas/testsuite/gas/ppc/e500-ill.s @@ -0,0 +1,11 @@ +# Motorola PowerPC e500 illegal instructions + .text + .machine e500 +start: + eciwx 3,4,5 + ecowx 3,4,5 + mfapidi 5, 6 + mfdcr 5, 234 + mtdcr 432, 8 + tlbia + tlbie 3 diff --git a/gas/testsuite/gas/ppc/ppc.exp b/gas/testsuite/gas/ppc/ppc.exp index f333c52..df91f36 100644 --- a/gas/testsuite/gas/ppc/ppc.exp +++ b/gas/testsuite/gas/ppc/ppc.exp @@ -72,6 +72,7 @@ if { [istarget powerpc*-*-*] } then { run_dump_test "altivec_and_spe" run_dump_test "booke" run_dump_test "e500" + run_list_test "e500-ill" run_list_test "range" "-a32" run_dump_test "ppc750ps" run_dump_test "e500mc" diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index b098299..ed9051e 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,7 @@ +2015-09-28 Tom Rix + + * ppc-opc.c (PPC500): Mark some opcodes as invalid + 2015-09-23 Nick Clifton * bfin-dis.c (fmtconst): Remove unnecessary call to the abs diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c index 2526da4..e9d24c8 100644 --- a/opcodes/ppc-opc.c +++ b/opcodes/ppc-opc.c @@ -4779,7 +4779,7 @@ const struct powerpc_opcode powerpc_opcodes[] = { {"tlbiel", X(31,274), XRTLRA_MASK, POWER4, PPC476, {RB, L}}, -{"mfapidi", X(31,275), X_MASK, BOOKE, TITAN, {RT, RA}}, +{"mfapidi", X(31,275), X_MASK, BOOKE, E500|TITAN, {RT, RA}}, {"lqarx", X(31,276), XEH_MASK, POWER8, PPCNONE, {RTQ, RAX, RBX, EH}}, @@ -4808,10 +4808,10 @@ const struct powerpc_opcode powerpc_opcodes[] = { {"mfbhrbe", X(31,302), X_MASK, POWER8, PPCNONE, {RT, BHRBE}}, {"tlbie", X(31,306), XRA_MASK, POWER7, TITAN, {RB, RS}}, -{"tlbie", X(31,306), XRTLRA_MASK, PPC, POWER7|TITAN, {RB, L}}, +{"tlbie", X(31,306), XRTLRA_MASK, PPC, E500|POWER7|TITAN, {RB, L}}, {"tlbi", X(31,306), XRT_MASK, POWER, PPCNONE, {RA0, RB}}, -{"eciwx", X(31,310), X_MASK, PPC, TITAN, {RT, RA0, RB}}, +{"eciwx", X(31,310), X_MASK, PPC, E500|TITAN, {RT, RA0, RB}}, {"lhzux", X(31,311), X_MASK, COM|PPCVLE, PPCNONE, {RT, RAL, RB}}, @@ -4856,7 +4856,7 @@ const struct powerpc_opcode powerpc_opcodes[] = { {"mfdmasa3", XSPR(31,323,219), XSPR_MASK, PPC403, PPCNONE, {RT}}, {"mfdmacc3", XSPR(31,323,220), XSPR_MASK, PPC403, PPCNONE, {RT}}, {"mfdmasr", XSPR(31,323,224), XSPR_MASK, PPC403, PPCNONE, {RT}}, -{"mfdcr", X(31,323), X_MASK, PPC403|BOOKE|PPCA2|PPC476|PPCVLE, TITAN, {RT, SPR}}, +{"mfdcr", X(31,323), X_MASK, PPC403|BOOKE|PPCA2|PPC476|PPCVLE, E500|TITAN, {RT, SPR}}, {"mfdcr.", XRC(31,323,1), X_MASK, PPCA2, PPCNONE, {RT, SPR}}, {"lvexwx", X(31,325), X_MASK, PPCVEC2, PPCNONE, {VD, RA0, RB}}, @@ -5087,7 +5087,7 @@ const struct powerpc_opcode powerpc_opcodes[] = { {"divs", XO(31,363,0,0), XO_MASK, M601, PPCNONE, {RT, RA, RB}}, {"divs.", XO(31,363,0,1), XO_MASK, M601, PPCNONE, {RT, RA, RB}}, -{"tlbia", X(31,370), 0xffffffff, PPC, TITAN, {0}}, +{"tlbia", X(31,370), 0xffffffff, PPC, E500|TITAN, {0}}, {"mftbu", XSPR(31,371,269), XSPR_MASK, PPC, NO371|POWER4, {RT}}, {"mftb", X(31,371), X_MASK, PPC, NO371|POWER4, {RT, TBR}}, @@ -5145,7 +5145,7 @@ const struct powerpc_opcode powerpc_opcodes[] = { {"slbie", X(31,434), XRTRA_MASK, PPC64, PPCNONE, {RB}}, -{"ecowx", X(31,438), X_MASK, PPC, TITAN, {RT, RA0, RB}}, +{"ecowx", X(31,438), X_MASK, PPC, E500|TITAN, {RT, RA0, RB}}, {"sthux", X(31,439), X_MASK, COM|PPCVLE, PPCNONE, {RS, RAS, RB}}, @@ -5197,7 +5197,7 @@ const struct powerpc_opcode powerpc_opcodes[] = { {"mtdmasa3", XSPR(31,451,219), XSPR_MASK, PPC403, PPCNONE, {RS}}, {"mtdmacc3", XSPR(31,451,220), XSPR_MASK, PPC403, PPCNONE, {RS}}, {"mtdmasr", XSPR(31,451,224), XSPR_MASK, PPC403, PPCNONE, {RS}}, -{"mtdcr", X(31,451), X_MASK, PPC403|BOOKE|PPCA2|PPC476|PPCVLE, TITAN, {SPR, RS}}, +{"mtdcr", X(31,451), X_MASK, PPC403|BOOKE|PPCA2|PPC476|PPCVLE, E500|TITAN, {SPR, RS}}, {"mtdcr.", XRC(31,451,1), X_MASK, PPCA2, PPCNONE, {SPR, RS}}, {"stvexwx", X(31,453), X_MASK, PPCVEC2, PPCNONE, {VS, RA0, RB}}, -- 2.7.4