diff options
Diffstat (limited to 'target-openrisc/translate.c')
| -rw-r--r-- | target-openrisc/translate.c | 205 |
1 files changed, 90 insertions, 115 deletions
diff --git a/target-openrisc/translate.c b/target-openrisc/translate.c index a6050ba6d..852b5e610 100644 --- a/target-openrisc/translate.c +++ b/target-openrisc/translate.c @@ -110,11 +110,9 @@ void openrisc_translate_init(void) offsetof(CPUOpenRISCState, gpr[i]), regnames[i]); } -#define GEN_HELPER 2 -#include "helper.h" } -/* Writeback SR_F transaltion-space to execution-space. */ +/* Writeback SR_F translation space to execution space. */ static inline void wb_SR_F(void) { int label; @@ -198,7 +196,7 @@ static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) likely(!dc->singlestep_enabled)) { tcg_gen_movi_tl(cpu_pc, dest); tcg_gen_goto_tb(n); - tcg_gen_exit_tb((tcg_target_long)tb + n); + tcg_gen_exit_tb((uintptr_t)tb + n); } else { tcg_gen_movi_tl(cpu_pc, dest); if (dc->singlestep_enabled) { @@ -211,42 +209,49 @@ static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) static void gen_jump(DisasContext *dc, uint32_t imm, uint32_t reg, uint32_t op0) { target_ulong tmp_pc; - int lab = gen_new_label(); - TCGv sr_f = tcg_temp_new(); /* N26, 26bits imm */ tmp_pc = sign_extend((imm<<2), 26) + dc->pc; - tcg_gen_andi_tl(sr_f, cpu_sr, SR_F); - if (op0 == 0x00) { /* l.j */ + switch (op0) { + case 0x00: /* l.j */ tcg_gen_movi_tl(jmp_pc, tmp_pc); - } else if (op0 == 0x01) { /* l.jal */ + break; + case 0x01: /* l.jal */ tcg_gen_movi_tl(cpu_R[9], (dc->pc + 8)); tcg_gen_movi_tl(jmp_pc, tmp_pc); - } else if (op0 == 0x03) { /* l.bnf */ - tcg_gen_movi_tl(jmp_pc, dc->pc+8); - tcg_gen_brcondi_i32(TCG_COND_EQ, sr_f, SR_F, lab); - tcg_gen_movi_tl(jmp_pc, tmp_pc); - gen_set_label(lab); - } else if (op0 == 0x04) { /* l.bf */ - tcg_gen_movi_tl(jmp_pc, dc->pc+8); - tcg_gen_brcondi_i32(TCG_COND_NE, sr_f, SR_F, lab); - tcg_gen_movi_tl(jmp_pc, tmp_pc); - gen_set_label(lab); - } else if (op0 == 0x11) { /* l.jr */ + break; + case 0x03: /* l.bnf */ + case 0x04: /* l.bf */ + { + int lab = gen_new_label(); + TCGv sr_f = tcg_temp_new(); + tcg_gen_movi_tl(jmp_pc, dc->pc+8); + tcg_gen_andi_tl(sr_f, cpu_sr, SR_F); + tcg_gen_brcondi_i32(op0 == 0x03 ? TCG_COND_EQ : TCG_COND_NE, + sr_f, SR_F, lab); + tcg_gen_movi_tl(jmp_pc, tmp_pc); + gen_set_label(lab); + tcg_temp_free(sr_f); + } + break; + case 0x11: /* l.jr */ tcg_gen_mov_tl(jmp_pc, cpu_R[reg]); - } else if (op0 == 0x12) { /* l.jalr */ + break; + case 0x12: /* l.jalr */ tcg_gen_movi_tl(cpu_R[9], (dc->pc + 8)); tcg_gen_mov_tl(jmp_pc, cpu_R[reg]); - } else { + break; + default: gen_illegal_exception(dc); + break; } - tcg_temp_free(sr_f); dc->delayed_branch = 2; dc->tb_flags |= D_FLAG; gen_sync_flags(dc); } + static void dec_calc(DisasContext *dc, uint32_t insn) { uint32_t op0, op1, op2; @@ -702,6 +707,8 @@ static void dec_misc(DisasContext *dc, uint32_t insn) uint32_t L6, K5; #endif uint32_t I16, I5, I11, N26, tmp; + TCGMemOp mop; + op0 = extract32(insn, 26, 6); op1 = extract32(insn, 24, 2); ra = extract32(insn, 16, 5); @@ -833,72 +840,46 @@ static void dec_misc(DisasContext *dc, uint32_t insn) /*#ifdef TARGET_OPENRISC64 case 0x20: l.ld LOG_DIS("l.ld r%d, r%d, %d\n", rd, ra, I16); - { - check_ob64s(dc); - TCGv_i64 t0 = tcg_temp_new_i64(); - tcg_gen_addi_i64(t0, cpu_R[ra], sign_extend(I16, 16)); - tcg_gen_qemu_ld64(cpu_R[rd], t0, dc->mem_idx); - tcg_temp_free_i64(t0); - } - break; + check_ob64s(dc); + mop = MO_TEQ; + goto do_load; #endif*/ case 0x21: /* l.lwz */ LOG_DIS("l.lwz r%d, r%d, %d\n", rd, ra, I16); - { - TCGv t0 = tcg_temp_new(); - tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16)); - tcg_gen_qemu_ld32u(cpu_R[rd], t0, dc->mem_idx); - tcg_temp_free(t0); - } - break; + mop = MO_TEUL; + goto do_load; case 0x22: /* l.lws */ LOG_DIS("l.lws r%d, r%d, %d\n", rd, ra, I16); - { - TCGv t0 = tcg_temp_new(); - tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16)); - tcg_gen_qemu_ld32s(cpu_R[rd], t0, dc->mem_idx); - tcg_temp_free(t0); - } - break; + mop = MO_TESL; + goto do_load; case 0x23: /* l.lbz */ LOG_DIS("l.lbz r%d, r%d, %d\n", rd, ra, I16); - { - TCGv t0 = tcg_temp_new(); - tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16)); - tcg_gen_qemu_ld8u(cpu_R[rd], t0, dc->mem_idx); - tcg_temp_free(t0); - } - break; + mop = MO_UB; + goto do_load; case 0x24: /* l.lbs */ LOG_DIS("l.lbs r%d, r%d, %d\n", rd, ra, I16); - { - TCGv t0 = tcg_temp_new(); - tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16)); - tcg_gen_qemu_ld8s(cpu_R[rd], t0, dc->mem_idx); - tcg_temp_free(t0); - } - break; + mop = MO_SB; + goto do_load; case 0x25: /* l.lhz */ LOG_DIS("l.lhz r%d, r%d, %d\n", rd, ra, I16); - { - TCGv t0 = tcg_temp_new(); - tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16)); - tcg_gen_qemu_ld16u(cpu_R[rd], t0, dc->mem_idx); - tcg_temp_free(t0); - } - break; + mop = MO_TEUW; + goto do_load; case 0x26: /* l.lhs */ LOG_DIS("l.lhs r%d, r%d, %d\n", rd, ra, I16); + mop = MO_TESW; + goto do_load; + + do_load: { TCGv t0 = tcg_temp_new(); tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16)); - tcg_gen_qemu_ld16s(cpu_R[rd], t0, dc->mem_idx); + tcg_gen_qemu_ld_tl(cpu_R[rd], t0, dc->mem_idx, mop); tcg_temp_free(t0); } break; @@ -906,29 +887,33 @@ static void dec_misc(DisasContext *dc, uint32_t insn) case 0x27: /* l.addi */ LOG_DIS("l.addi r%d, r%d, %d\n", rd, ra, I16); { - int lab = gen_new_label(); - TCGv_i64 ta = tcg_temp_new_i64(); - TCGv_i64 td = tcg_temp_local_new_i64(); - TCGv_i32 res = tcg_temp_local_new_i32(); - TCGv_i32 sr_ove = tcg_temp_local_new_i32(); - tcg_gen_extu_i32_i64(ta, cpu_R[ra]); - tcg_gen_addi_i64(td, ta, sign_extend(I16, 16)); - tcg_gen_trunc_i64_i32(res, td); - tcg_gen_shri_i64(td, td, 32); - tcg_gen_andi_i64(td, td, 0x3); - /* Jump to lab when no overflow. */ - tcg_gen_brcondi_i64(TCG_COND_EQ, td, 0x0, lab); - tcg_gen_brcondi_i64(TCG_COND_EQ, td, 0x3, lab); - tcg_gen_ori_i32(cpu_sr, cpu_sr, (SR_OV | SR_CY)); - tcg_gen_andi_i32(sr_ove, cpu_sr, SR_OVE); - tcg_gen_brcondi_i32(TCG_COND_NE, sr_ove, SR_OVE, lab); - gen_exception(dc, EXCP_RANGE); - gen_set_label(lab); - tcg_gen_mov_i32(cpu_R[rd], res); - tcg_temp_free_i64(ta); - tcg_temp_free_i64(td); - tcg_temp_free_i32(res); - tcg_temp_free_i32(sr_ove); + if (I16 == 0) { + tcg_gen_mov_tl(cpu_R[rd], cpu_R[ra]); + } else { + int lab = gen_new_label(); + TCGv_i64 ta = tcg_temp_new_i64(); + TCGv_i64 td = tcg_temp_local_new_i64(); + TCGv_i32 res = tcg_temp_local_new_i32(); + TCGv_i32 sr_ove = tcg_temp_local_new_i32(); + tcg_gen_extu_i32_i64(ta, cpu_R[ra]); + tcg_gen_addi_i64(td, ta, sign_extend(I16, 16)); + tcg_gen_trunc_i64_i32(res, td); + tcg_gen_shri_i64(td, td, 32); + tcg_gen_andi_i64(td, td, 0x3); + /* Jump to lab when no overflow. */ + tcg_gen_brcondi_i64(TCG_COND_EQ, td, 0x0, lab); + tcg_gen_brcondi_i64(TCG_COND_EQ, td, 0x3, lab); + tcg_gen_ori_i32(cpu_sr, cpu_sr, (SR_OV | SR_CY)); + tcg_gen_andi_i32(sr_ove, cpu_sr, SR_OVE); + tcg_gen_brcondi_i32(TCG_COND_NE, sr_ove, SR_OVE, lab); + gen_exception(dc, EXCP_RANGE); + gen_set_label(lab); + tcg_gen_mov_i32(cpu_R[rd], res); + tcg_temp_free_i64(ta); + tcg_temp_free_i64(td); + tcg_temp_free_i32(res); + tcg_temp_free_i32(sr_ove); + } } break; @@ -1033,42 +1018,31 @@ static void dec_misc(DisasContext *dc, uint32_t insn) /*#ifdef TARGET_OPENRISC64 case 0x34: l.sd LOG_DIS("l.sd %d, r%d, r%d, %d\n", I5, ra, rb, I11); - { - check_ob64s(dc); - TCGv_i64 t0 = tcg_temp_new_i64(); - tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(tmp, 16)); - tcg_gen_qemu_st64(cpu_R[rb], t0, dc->mem_idx); - tcg_temp_free_i64(t0); - } - break; + check_ob64s(dc); + mop = MO_TEQ; + goto do_store; #endif*/ case 0x35: /* l.sw */ LOG_DIS("l.sw %d, r%d, r%d, %d\n", I5, ra, rb, I11); - { - TCGv t0 = tcg_temp_new(); - tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(tmp, 16)); - tcg_gen_qemu_st32(cpu_R[rb], t0, dc->mem_idx); - tcg_temp_free(t0); - } - break; + mop = MO_TEUL; + goto do_store; case 0x36: /* l.sb */ LOG_DIS("l.sb %d, r%d, r%d, %d\n", I5, ra, rb, I11); - { - TCGv t0 = tcg_temp_new(); - tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(tmp, 16)); - tcg_gen_qemu_st8(cpu_R[rb], t0, dc->mem_idx); - tcg_temp_free(t0); - } - break; + mop = MO_UB; + goto do_store; case 0x37: /* l.sh */ LOG_DIS("l.sh %d, r%d, r%d, %d\n", I5, ra, rb, I11); + mop = MO_TEUW; + goto do_store; + + do_store: { TCGv t0 = tcg_temp_new(); tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(tmp, 16)); - tcg_gen_qemu_st16(cpu_R[rb], t0, dc->mem_idx); + tcg_gen_qemu_st_tl(cpu_R[rb], t0, dc->mem_idx, mop); tcg_temp_free(t0); } break; @@ -1645,10 +1619,11 @@ static void disas_openrisc_insn(DisasContext *dc, OpenRISCCPU *cpu) static void check_breakpoint(OpenRISCCPU *cpu, DisasContext *dc) { + CPUState *cs = CPU(cpu); CPUBreakpoint *bp; - if (unlikely(!QTAILQ_EMPTY(&cpu->env.breakpoints))) { - QTAILQ_FOREACH(bp, &cpu->env.breakpoints, entry) { + if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) { + QTAILQ_FOREACH(bp, &cs->breakpoints, entry) { if (bp->pc == dc->pc) { tcg_gen_movi_tl(cpu_pc, dc->pc); gen_exception(dc, EXCP_DEBUG); |