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target/openrisc: Convert remainder of dec_misc insns

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Acked-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2018-02-20 09:15:24 -08:00
parent d80bff19f9
commit 8816f70b93
2 changed files with 151 additions and 163 deletions
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27
target/openrisc/insns.decode
View File

@ -27,6 +27,8 @@ l_msync 001000 1000000000 00000000 00000000
l_psync 001000 1010000000 00000000 00000000
l_csync 001000 1100000000 00000000 00000000
l_rfe 001001 ----- ----- -------- --------
####
# Branch Instructions
####
@ -62,3 +64,28 @@ l_swa 110011 ..... ..... ........ ........ @store
l_sw 110101 ..... ..... ..... ........... @store
l_sb 110110 ..... ..... ..... ........... @store
l_sh 110111 ..... ..... ..... ........... @store
####
# Immediate Operand Instructions
####
%mtspr_k 21:5 0:11
&rri d a i
&rrk d a k
@rri ...... d:5 a:5 i:s16 &rri
@rrk ...... d:5 a:5 k:16 &rrk
l_nop 000101 01--- ----- k:16
l_addi 100111 ..... ..... ........ ........ @rri
l_addic 101000 ..... ..... ........ ........ @rri
l_andi 101001 ..... ..... ........ ........ @rrk
l_ori 101010 ..... ..... ........ ........ @rrk
l_xori 101011 ..... ..... ........ ........ @rri
l_muli 101100 ..... ..... ........ ........ @rri
l_mfspr 101101 ..... ..... ........ ........ @rrk
l_mtspr 110000 ..... a:5 b:5 ........... k=%mtspr_k
l_maci 010011 ----- a:5 i:s16

263
target/openrisc/translate.c
View File

@ -828,174 +828,118 @@ static bool trans_l_sh(DisasContext *dc, arg_store *a, uint32_t insn)
return true;
}
static void dec_misc(DisasContext *dc, uint32_t insn)
static bool trans_l_nop(DisasContext *dc, arg_l_nop *a, uint32_t insn)
{
LOG_DIS("l.nop %d\n", a->k);
return true;
}
static bool trans_l_addi(DisasContext *dc, arg_rri *a, uint32_t insn)
{
uint32_t op0, op1;
uint32_t ra, rb, rd;
uint32_t L6, K5, K16, K5_11;
int32_t I16;
TCGv t0;
op0 = extract32(insn, 26, 6);
op1 = extract32(insn, 24, 2);
ra = extract32(insn, 16, 5);
rb = extract32(insn, 11, 5);
rd = extract32(insn, 21, 5);
L6 = extract32(insn, 5, 6);
K5 = extract32(insn, 0, 5);
K16 = extract32(insn, 0, 16);
I16 = (int16_t)K16;
K5_11 = (extract32(insn, 21, 5) << 11) | extract32(insn, 0, 11);
switch (op0) {
case 0x05:
switch (op1) {
case 0x01: /* l.nop */
LOG_DIS("l.nop %d\n", I16);
break;
default:
gen_illegal_exception(dc);
break;
}
break;
case 0x13: /* l.maci */
LOG_DIS("l.maci r%d, %d\n", ra, I16);
t0 = tcg_const_tl(I16);
gen_mac(dc, cpu_R[ra], t0);
LOG_DIS("l.addi r%d, r%d, %d\n", a->d, a->a, a->i);
check_r0_write(a->d);
t0 = tcg_const_tl(a->i);
gen_add(dc, cpu_R[a->d], cpu_R[a->a], t0);
tcg_temp_free(t0);
break;
return true;
}
case 0x09: /* l.rfe */
LOG_DIS("l.rfe\n");
static bool trans_l_addic(DisasContext *dc, arg_rri *a, uint32_t insn)
{
#if defined(CONFIG_USER_ONLY)
return;
TCGv t0;
LOG_DIS("l.addic r%d, r%d, %d\n", a->d, a->a, a->i);
check_r0_write(a->d);
t0 = tcg_const_tl(a->i);
gen_addc(dc, cpu_R[a->d], cpu_R[a->a], t0);
tcg_temp_free(t0);
return true;
}
static bool trans_l_muli(DisasContext *dc, arg_rri *a, uint32_t insn)
{
TCGv t0;
LOG_DIS("l.muli r%d, r%d, %d\n", a->d, a->a, a->i);
check_r0_write(a->d);
t0 = tcg_const_tl(a->i);
gen_mul(dc, cpu_R[a->d], cpu_R[a->a], t0);
tcg_temp_free(t0);
return true;
}
static bool trans_l_maci(DisasContext *dc, arg_l_maci *a, uint32_t insn)
{
TCGv t0;
LOG_DIS("l.maci r%d, %d\n", a->a, a->i);
t0 = tcg_const_tl(a->i);
gen_mac(dc, cpu_R[a->a], t0);
tcg_temp_free(t0);
return true;
}
static bool trans_l_andi(DisasContext *dc, arg_rrk *a, uint32_t insn)
{
LOG_DIS("l.andi r%d, r%d, %d\n", a->d, a->a, a->k);
check_r0_write(a->d);
tcg_gen_andi_tl(cpu_R[a->d], cpu_R[a->a], a->k);
return true;
}
static bool trans_l_ori(DisasContext *dc, arg_rrk *a, uint32_t insn)
{
LOG_DIS("l.ori r%d, r%d, %d\n", a->d, a->a, a->k);
check_r0_write(a->d);
tcg_gen_ori_tl(cpu_R[a->d], cpu_R[a->a], a->k);
return true;
}
static bool trans_l_xori(DisasContext *dc, arg_rri *a, uint32_t insn)
{
LOG_DIS("l.xori r%d, r%d, %d\n", a->d, a->a, a->i);
check_r0_write(a->d);
tcg_gen_xori_tl(cpu_R[a->d], cpu_R[a->a], a->i);
return true;
}
static bool trans_l_mfspr(DisasContext *dc, arg_l_mfspr *a, uint32_t insn)
{
LOG_DIS("l.mfspr r%d, r%d, %d\n", a->d, a->a, a->k);
check_r0_write(a->d);
#ifdef CONFIG_USER_ONLY
gen_illegal_exception(dc);
#else
if (dc->mem_idx == MMU_USER_IDX) {
gen_illegal_exception(dc);
return;
}
gen_helper_rfe(cpu_env);
dc->base.is_jmp = DISAS_UPDATE;
#endif
}
break;
case 0x1c: /* l.cust1 */
LOG_DIS("l.cust1\n");
break;
case 0x1d: /* l.cust2 */
LOG_DIS("l.cust2\n");
break;
case 0x1e: /* l.cust3 */
LOG_DIS("l.cust3\n");
break;
case 0x1f: /* l.cust4 */
LOG_DIS("l.cust4\n");
break;
case 0x3c: /* l.cust5 */
LOG_DIS("l.cust5 r%d, r%d, r%d, %d, %d\n", rd, ra, rb, L6, K5);
break;
case 0x3d: /* l.cust6 */
LOG_DIS("l.cust6\n");
break;
case 0x3e: /* l.cust7 */
LOG_DIS("l.cust7\n");
break;
case 0x3f: /* l.cust8 */
LOG_DIS("l.cust8\n");
break;
case 0x27: /* l.addi */
LOG_DIS("l.addi r%d, r%d, %d\n", rd, ra, I16);
check_r0_write(rd);
t0 = tcg_const_tl(I16);
gen_add(dc, cpu_R[rd], cpu_R[ra], t0);
tcg_temp_free(t0);
break;
case 0x28: /* l.addic */
LOG_DIS("l.addic r%d, r%d, %d\n", rd, ra, I16);
check_r0_write(rd);
t0 = tcg_const_tl(I16);
gen_addc(dc, cpu_R[rd], cpu_R[ra], t0);
tcg_temp_free(t0);
break;
case 0x29: /* l.andi */
LOG_DIS("l.andi r%d, r%d, %d\n", rd, ra, K16);
check_r0_write(rd);
tcg_gen_andi_tl(cpu_R[rd], cpu_R[ra], K16);
break;
case 0x2a: /* l.ori */
LOG_DIS("l.ori r%d, r%d, %d\n", rd, ra, K16);
check_r0_write(rd);
tcg_gen_ori_tl(cpu_R[rd], cpu_R[ra], K16);
break;
case 0x2b: /* l.xori */
LOG_DIS("l.xori r%d, r%d, %d\n", rd, ra, I16);
check_r0_write(rd);
tcg_gen_xori_tl(cpu_R[rd], cpu_R[ra], I16);
break;
case 0x2c: /* l.muli */
LOG_DIS("l.muli r%d, r%d, %d\n", rd, ra, I16);
check_r0_write(rd);
t0 = tcg_const_tl(I16);
gen_mul(dc, cpu_R[rd], cpu_R[ra], t0);
tcg_temp_free(t0);
break;
case 0x2d: /* l.mfspr */
LOG_DIS("l.mfspr r%d, r%d, %d\n", rd, ra, K16);
check_r0_write(rd);
{
#if defined(CONFIG_USER_ONLY)
return;
#else
TCGv_i32 ti = tcg_const_i32(K16);
if (dc->mem_idx == MMU_USER_IDX) {
gen_illegal_exception(dc);
return;
}
gen_helper_mfspr(cpu_R[rd], cpu_env, cpu_R[rd], cpu_R[ra], ti);
} else {
TCGv_i32 ti = tcg_const_i32(a->k);
gen_helper_mfspr(cpu_R[a->d], cpu_env, cpu_R[a->d], cpu_R[a->a], ti);
tcg_temp_free_i32(ti);
#endif
}
break;
#endif
return true;
}
case 0x30: /* l.mtspr */
LOG_DIS("l.mtspr r%d, r%d, %d\n", ra, rb, K5_11);
static bool trans_l_mtspr(DisasContext *dc, arg_l_mtspr *a, uint32_t insn)
{
#if defined(CONFIG_USER_ONLY)
return;
LOG_DIS("l.mtspr r%d, r%d, %d\n", a->a, a->b, a->k);
#ifdef CONFIG_USER_ONLY
gen_illegal_exception(dc);
#else
TCGv_i32 im = tcg_const_i32(K5_11);
if (dc->mem_idx == MMU_USER_IDX) {
gen_illegal_exception(dc);
return;
} else {
TCGv_i32 ti = tcg_const_i32(a->k);
gen_helper_mtspr(cpu_env, cpu_R[a->a], cpu_R[a->b], ti);
tcg_temp_free_i32(ti);
}
gen_helper_mtspr(cpu_env, cpu_R[ra], cpu_R[rb], im);
tcg_temp_free_i32(im);
#endif
}
break;
default:
gen_illegal_exception(dc);
break;
}
return true;
}
static void dec_mac(DisasContext *dc, uint32_t insn)
@ -1272,6 +1216,23 @@ static bool trans_l_csync(DisasContext *dc, arg_l_csync *a, uint32_t insn)
return true;
}
static bool trans_l_rfe(DisasContext *dc, arg_l_rfe *a, uint32_t insn)
{
LOG_DIS("l.rfe\n");
#ifdef CONFIG_USER_ONLY
gen_illegal_exception(dc);
#else
if (dc->mem_idx == MMU_USER_IDX) {
gen_illegal_exception(dc);
} else {
gen_helper_rfe(cpu_env);
dc->base.is_jmp = DISAS_UPDATE;
}
#endif
return true;
}
static void dec_float(DisasContext *dc, uint32_t insn)
{
uint32_t op0;
@ -1533,7 +1494,7 @@ static void disas_openrisc_insn(DisasContext *dc, OpenRISCCPU *cpu)
break;
default:
dec_misc(dc, insn);
gen_illegal_exception(dc);
break;
}
}