openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

target-openrisc: Use new qemu_ld/st opcodes 

Signed-off-by: Richard Henderson <rth@twiddle.net>
Acked-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Jia Liu <proljc@gmail.com>
This commit is contained in:
Richard Henderson 2013-12-11 08:42:08 -08:00 committed by Jia Liu
parent a4550442b9
commit 5631e69c26
1 changed files with 32 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

99
target-openrisc/translate.c
View File

@ -707,6 +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);
@ -838,72 +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;
@ -1042,42 +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;