From 20e2d04e66cd69f6ffb1ca9509b51a7668953459 Mon Sep 17 00:00:00 2001 From: Leandro Lupori Date: Wed, 2 Mar 2022 06:51:38 +0100 Subject: [PATCH] target/ppc: implement plxssp/pstxssp MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Implement instructions plxssp/pstxssp and port lxssp/stxssp to decode tree. Reviewed-by: Richard Henderson Signed-off-by: Leandro Lupori Signed-off-by: Matheus Ferst Message-Id: <20220225210936.1749575-49-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater --- target/ppc/insn32.decode | 2 + target/ppc/insn64.decode | 6 ++ target/ppc/translate.c | 29 +++------ target/ppc/translate/vsx-impl.c.inc | 93 +++++++++++++++-------------- 4 files changed, 62 insertions(+), 68 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 37b6470503..1641a31894 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -604,6 +604,8 @@ VCLRRB 000100 ..... ..... ..... 00111001101 @VX LXSD 111001 ..... ..... .............. 10 @DS STXSD 111101 ..... ..... .............. 10 @DS +LXSSP 111001 ..... ..... .............. 11 @DS +STXSSP 111101 ..... ..... .............. 11 @DS LXV 111101 ..... ..... ............ . 001 @DQ_TSX STXV 111101 ..... ..... ............ . 101 @DQ_TSX LXVP 000110 ..... ..... ............ 0000 @DQ_TSXP diff --git a/target/ppc/insn64.decode b/target/ppc/insn64.decode index b7426f5b24..691e8fe6c0 100644 --- a/target/ppc/insn64.decode +++ b/target/ppc/insn64.decode @@ -190,6 +190,12 @@ PLXSD 000001 00 0--.-- .................. \ PSTXSD 000001 00 0--.-- .................. \ 101110 ..... ..... ................ @8LS_D +PLXSSP 000001 00 0--.-- .................. \ + 101011 ..... ..... ................ @8LS_D + +PSTXSSP 000001 00 0--.-- .................. \ + 101111 ..... ..... ................ @8LS_D + PLXV 000001 00 0--.-- .................. \ 11001 ...... ..... ................ @8LS_D_TSX PSTXV 000001 00 0--.-- .................. \ diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 1ef2eeeead..408ae26173 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -6668,39 +6668,24 @@ static bool resolve_PLS_D(DisasContext *ctx, arg_D *d, arg_PLS_D *a) #include "translate/branch-impl.c.inc" -/* Handles lfdp, lxssp */ +/* Handles lfdp */ static void gen_dform39(DisasContext *ctx) { - switch (ctx->opcode & 0x3) { - case 0: /* lfdp */ + if ((ctx->opcode & 0x3) == 0) { if (ctx->insns_flags2 & PPC2_ISA205) { return gen_lfdp(ctx); } - break; - case 3: /* lxssp */ - if (ctx->insns_flags2 & PPC2_ISA300) { - return gen_lxssp(ctx); - } - break; } return gen_invalid(ctx); } -/* handles stfdp, lxv, stxssp lxvx */ +/* Handles stfdp */ static void gen_dform3D(DisasContext *ctx) { - if ((ctx->opcode & 3) != 1) { /* DS-FORM */ - switch (ctx->opcode & 0x3) { - case 0: /* stfdp */ - if (ctx->insns_flags2 & PPC2_ISA205) { - return gen_stfdp(ctx); - } - break; - case 3: /* stxssp */ - if (ctx->insns_flags2 & PPC2_ISA300) { - return gen_stxssp(ctx); - } - break; + if ((ctx->opcode & 3) == 0) { /* DS-FORM */ + /* stfdp */ + if (ctx->insns_flags2 & PPC2_ISA205) { + return gen_stfdp(ctx); } } return gen_invalid(ctx); diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index a6e9417f2d..a980a79b78 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -288,29 +288,6 @@ VSX_VECTOR_LOAD_STORE_LENGTH(stxvl) VSX_VECTOR_LOAD_STORE_LENGTH(stxvll) #endif -#define VSX_LOAD_SCALAR_DS(name, operation) \ -static void gen_##name(DisasContext *ctx) \ -{ \ - TCGv EA; \ - TCGv_i64 xth; \ - \ - if (unlikely(!ctx->altivec_enabled)) { \ - gen_exception(ctx, POWERPC_EXCP_VPU); \ - return; \ - } \ - xth = tcg_temp_new_i64(); \ - gen_set_access_type(ctx, ACCESS_INT); \ - EA = tcg_temp_new(); \ - gen_addr_imm_index(ctx, EA, 0x03); \ - gen_qemu_##operation(ctx, xth, EA); \ - set_cpu_vsr(rD(ctx->opcode) + 32, xth, true); \ - /* NOTE: cpu_vsrl is undefined */ \ - tcg_temp_free(EA); \ - tcg_temp_free_i64(xth); \ -} - -VSX_LOAD_SCALAR_DS(lxssp, ld32fs) - #define VSX_STORE_SCALAR(name, operation) \ static void gen_##name(DisasContext *ctx) \ { \ @@ -460,29 +437,6 @@ static void gen_stxvb16x(DisasContext *ctx) tcg_temp_free_i64(xsl); } -#define VSX_STORE_SCALAR_DS(name, operation) \ -static void gen_##name(DisasContext *ctx) \ -{ \ - TCGv EA; \ - TCGv_i64 xth; \ - \ - if (unlikely(!ctx->altivec_enabled)) { \ - gen_exception(ctx, POWERPC_EXCP_VPU); \ - return; \ - } \ - xth = tcg_temp_new_i64(); \ - get_cpu_vsr(xth, rD(ctx->opcode) + 32, true); \ - gen_set_access_type(ctx, ACCESS_INT); \ - EA = tcg_temp_new(); \ - gen_addr_imm_index(ctx, EA, 0x03); \ - gen_qemu_##operation(ctx, xth, EA); \ - /* NOTE: cpu_vsrl is undefined */ \ - tcg_temp_free(EA); \ - tcg_temp_free_i64(xth); \ -} - -VSX_STORE_SCALAR_DS(stxssp, st32fs) - static void gen_mfvsrwz(DisasContext *ctx) { if (xS(ctx->opcode) < 32) { @@ -2345,8 +2299,53 @@ static bool do_plstxsd_PLS_D(DisasContext *ctx, arg_PLS_D *a, bool store) return do_lstxsd(ctx, d.rt, d.ra, tcg_constant_tl(d.si), store); } +static bool do_lstxssp(DisasContext *ctx, int rt, int ra, TCGv displ, bool store) +{ + TCGv ea; + TCGv_i64 xt; + + REQUIRE_VECTOR(ctx); + + xt = tcg_temp_new_i64(); + + gen_set_access_type(ctx, ACCESS_INT); + ea = do_ea_calc(ctx, ra, displ); + + if (store) { + get_cpu_vsr(xt, rt + 32, true); + gen_qemu_st32fs(ctx, xt, ea); + } else { + gen_qemu_ld32fs(ctx, xt, ea); + set_cpu_vsr(rt + 32, xt, true); + set_cpu_vsr(rt + 32, tcg_constant_i64(0), false); + } + + tcg_temp_free(ea); + tcg_temp_free_i64(xt); + + return true; +} + +static bool do_lstxssp_DS(DisasContext *ctx, arg_D *a, bool store) +{ + return do_lstxssp(ctx, a->rt, a->ra, tcg_constant_tl(a->si), store); +} + +static bool do_plstxssp_PLS_D(DisasContext *ctx, arg_PLS_D *a, bool store) +{ + arg_D d; + + if (!resolve_PLS_D(ctx, &d, a)) { + return true; + } + + return do_lstxssp(ctx, d.rt, d.ra, tcg_constant_tl(d.si), store); +} + TRANS_FLAGS2(ISA300, LXSD, do_lstxsd_DS, false) TRANS_FLAGS2(ISA300, STXSD, do_lstxsd_DS, true) +TRANS_FLAGS2(ISA300, LXSSP, do_lstxssp_DS, false) +TRANS_FLAGS2(ISA300, STXSSP, do_lstxssp_DS, true) TRANS_FLAGS2(ISA300, STXV, do_lstxv_D, true, false) TRANS_FLAGS2(ISA300, LXV, do_lstxv_D, false, false) TRANS_FLAGS2(ISA310, STXVP, do_lstxv_D, true, true) @@ -2357,6 +2356,8 @@ TRANS_FLAGS2(ISA310, STXVPX, do_lstxv_X, true, true) TRANS_FLAGS2(ISA310, LXVPX, do_lstxv_X, false, true) TRANS64_FLAGS2(ISA310, PLXSD, do_plstxsd_PLS_D, false) TRANS64_FLAGS2(ISA310, PSTXSD, do_plstxsd_PLS_D, true) +TRANS64_FLAGS2(ISA310, PLXSSP, do_plstxssp_PLS_D, false) +TRANS64_FLAGS2(ISA310, PSTXSSP, do_plstxssp_PLS_D, true) TRANS64_FLAGS2(ISA310, PSTXV, do_lstxv_PLS_D, true, false) TRANS64_FLAGS2(ISA310, PLXV, do_lstxv_PLS_D, false, false) TRANS64_FLAGS2(ISA310, PSTXVP, do_lstxv_PLS_D, true, true)