diff options
Diffstat (limited to 'target-xtensa')
| -rw-r--r-- | target-xtensa/cpu.h | 1 | ||||
| -rw-r--r-- | target-xtensa/translate.c | 109 |
2 files changed, 86 insertions, 24 deletions
diff --git a/target-xtensa/cpu.h b/target-xtensa/cpu.h index 14d62fa3cd..339075dda1 100644 --- a/target-xtensa/cpu.h +++ b/target-xtensa/cpu.h @@ -110,6 +110,7 @@ enum { LEND = 1, LCOUNT = 2, SAR = 3, + BR = 4, LITBASE = 5, SCOMPARE1 = 12, WINDOW_BASE = 72, diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 20a6834502..93a807e8c0 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -76,6 +76,7 @@ static const char * const sregnames[256] = { [LEND] = "LEND", [LCOUNT] = "LCOUNT", [SAR] = "SAR", + [BR] = "BR", [LITBASE] = "LITBASE", [SCOMPARE1] = "SCOMPARE1", [WINDOW_BASE] = "WINDOW_BASE", @@ -434,6 +435,11 @@ static void gen_wsr_sar(DisasContext *dc, uint32_t sr, TCGv_i32 s) dc->sar_m32_5bit = false; } +static void gen_wsr_br(DisasContext *dc, uint32_t sr, TCGv_i32 s) +{ + tcg_gen_andi_i32(cpu_SR[sr], s, 0xffff); +} + static void gen_wsr_litbase(DisasContext *dc, uint32_t sr, TCGv_i32 s) { tcg_gen_andi_i32(cpu_SR[sr], s, 0xfffff001); @@ -536,6 +542,7 @@ static void gen_wsr(DisasContext *dc, uint32_t sr, TCGv_i32 s) [LBEG] = gen_wsr_lbeg, [LEND] = gen_wsr_lend, [SAR] = gen_wsr_sar, + [BR] = gen_wsr_br, [LITBASE] = gen_wsr_litbase, [WINDOW_BASE] = gen_wsr_windowbase, [WINDOW_START] = gen_wsr_windowstart, @@ -974,23 +981,28 @@ static void disas_xtensa_insn(DisasContext *dc) break; case 8: /*ANY4p*/ - HAS_OPTION(XTENSA_OPTION_BOOLEAN); - TBD(); - break; - case 9: /*ALL4p*/ - HAS_OPTION(XTENSA_OPTION_BOOLEAN); - TBD(); - break; - case 10: /*ANY8p*/ - HAS_OPTION(XTENSA_OPTION_BOOLEAN); - TBD(); - break; - case 11: /*ALL8p*/ HAS_OPTION(XTENSA_OPTION_BOOLEAN); - TBD(); + { + const unsigned shift = (RRR_R & 2) ? 8 : 4; + TCGv_i32 mask = tcg_const_i32( + ((1 << shift) - 1) << RRR_S); + TCGv_i32 tmp = tcg_temp_new_i32(); + + tcg_gen_and_i32(tmp, cpu_SR[BR], mask); + if (RRR_R & 1) { /*ALL*/ + tcg_gen_addi_i32(tmp, tmp, 1 << RRR_S); + } else { /*ANY*/ + tcg_gen_add_i32(tmp, tmp, mask); + } + tcg_gen_shri_i32(tmp, tmp, RRR_S + shift); + tcg_gen_deposit_i32(cpu_SR[BR], cpu_SR[BR], + tmp, RRR_T, 1); + tcg_temp_free(mask); + tcg_temp_free(tmp); + } break; default: /*reserved*/ @@ -1339,7 +1351,9 @@ static void disas_xtensa_insn(DisasContext *dc) break; case 2: /*RST2*/ - gen_window_check3(dc, RRR_R, RRR_S, RRR_T); + if (OP2 >= 8) { + gen_window_check3(dc, RRR_R, RRR_S, RRR_T); + } if (OP2 >= 12) { HAS_OPTION(XTENSA_OPTION_32_BIT_IDIV); @@ -1350,6 +1364,42 @@ static void disas_xtensa_insn(DisasContext *dc) } switch (OP2) { +#define BOOLEAN_LOGIC(fn, r, s, t) \ + do { \ + HAS_OPTION(XTENSA_OPTION_BOOLEAN); \ + TCGv_i32 tmp1 = tcg_temp_new_i32(); \ + TCGv_i32 tmp2 = tcg_temp_new_i32(); \ + \ + tcg_gen_shri_i32(tmp1, cpu_SR[BR], s); \ + tcg_gen_shri_i32(tmp2, cpu_SR[BR], t); \ + tcg_gen_##fn##_i32(tmp1, tmp1, tmp2); \ + tcg_gen_deposit_i32(cpu_SR[BR], cpu_SR[BR], tmp1, r, 1); \ + tcg_temp_free(tmp1); \ + tcg_temp_free(tmp2); \ + } while (0) + + case 0: /*ANDBp*/ + BOOLEAN_LOGIC(and, RRR_R, RRR_S, RRR_T); + break; + + case 1: /*ANDBCp*/ + BOOLEAN_LOGIC(andc, RRR_R, RRR_S, RRR_T); + break; + + case 2: /*ORBp*/ + BOOLEAN_LOGIC(or, RRR_R, RRR_S, RRR_T); + break; + + case 3: /*ORBCp*/ + BOOLEAN_LOGIC(orc, RRR_R, RRR_S, RRR_T); + break; + + case 4: /*XORBp*/ + BOOLEAN_LOGIC(xor, RRR_R, RRR_S, RRR_T); + break; + +#undef BOOLEAN_LOGIC + case 8: /*MULLi*/ HAS_OPTION(XTENSA_OPTION_32_BIT_IMUL); tcg_gen_mul_i32(cpu_R[RRR_R], cpu_R[RRR_S], cpu_R[RRR_T]); @@ -1536,13 +1586,21 @@ static void disas_xtensa_insn(DisasContext *dc) break; case 12: /*MOVFp*/ - HAS_OPTION(XTENSA_OPTION_BOOLEAN); - TBD(); - break; - case 13: /*MOVTp*/ HAS_OPTION(XTENSA_OPTION_BOOLEAN); - TBD(); + gen_window_check2(dc, RRR_R, RRR_S); + { + int label = gen_new_label(); + TCGv_i32 tmp = tcg_temp_new_i32(); + + tcg_gen_andi_i32(tmp, cpu_SR[BR], 1 << RRR_T); + tcg_gen_brcondi_i32( + OP2 & 1 ? TCG_COND_EQ : TCG_COND_NE, + tmp, 0, label); + tcg_gen_mov_i32(cpu_R[RRR_R], cpu_R[RRR_S]); + gen_set_label(label); + tcg_temp_free(tmp); + } break; case 14: /*RUR*/ @@ -1954,13 +2012,16 @@ static void disas_xtensa_insn(DisasContext *dc) case 1: /*B1*/ switch (BRI8_R) { case 0: /*BFp*/ - HAS_OPTION(XTENSA_OPTION_BOOLEAN); - TBD(); - break; - case 1: /*BTp*/ HAS_OPTION(XTENSA_OPTION_BOOLEAN); - TBD(); + { + TCGv_i32 tmp = tcg_temp_new_i32(); + tcg_gen_andi_i32(tmp, cpu_SR[BR], 1 << RRI8_S); + gen_brcondi(dc, + BRI8_R == 1 ? TCG_COND_NE : TCG_COND_EQ, + tmp, 0, 4 + RRI8_IMM8_SE); + tcg_temp_free(tmp); + } break; case 8: /*LOOP*/ |