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-rw-r--r--target/hppa/insns.decode42
-rw-r--r--target/hppa/translate.c314
2 files changed, 189 insertions, 167 deletions
diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode
index 41c999e..a576bb1 100644
--- a/target/hppa/insns.decode
+++ b/target/hppa/insns.decode
@@ -33,6 +33,19 @@
# All insns that need to form a virtual address should use this set.
&ldst t b x disp sp m scale size
+&rr_cf t r cf
+&rrr_cf t r1 r2 cf
+&rrr_cf_sh t r1 r2 cf sh
+
+####
+# Format definitions
+####
+
+@rr_cf ...... r:5 ..... cf:4 ....... t:5 &rr_cf
+@rrr_cf ...... r2:5 r1:5 cf:4 ....... t:5 &rrr_cf
+@rrr_cf_sh ...... r2:5 r1:5 cf:4 .... sh:2 . t:5 &rrr_cf_sh
+@rrr_cf_sh0 ...... r2:5 r1:5 cf:4 ....... t:5 &rrr_cf_sh sh=0
+
####
# System
####
@@ -87,3 +100,32 @@ lpa 000001 b:5 x:5 sp:2 01001101 m:1 t:5 \
&ldst disp=0 scale=0 size=0
lci 000001 ----- ----- -- 01001100 0 t:5
+
+####
+# Arith/Log
+####
+
+andcm 000010 ..... ..... .... 000000 0 ..... @rrr_cf
+and 000010 ..... ..... .... 001000 0 ..... @rrr_cf
+or 000010 ..... ..... .... 001001 0 ..... @rrr_cf
+xor 000010 ..... ..... .... 001010 0 ..... @rrr_cf
+uxor 000010 ..... ..... .... 001110 0 ..... @rrr_cf
+ds 000010 ..... ..... .... 010001 0 ..... @rrr_cf
+cmpclr 000010 ..... ..... .... 100010 0 ..... @rrr_cf
+uaddcm 000010 ..... ..... .... 100110 0 ..... @rrr_cf
+uaddcm_tc 000010 ..... ..... .... 100111 0 ..... @rrr_cf
+dcor 000010 ..... 00000 .... 101110 0 ..... @rr_cf
+dcor_i 000010 ..... 00000 .... 101111 0 ..... @rr_cf
+
+add 000010 ..... ..... .... 0110.. 0 ..... @rrr_cf_sh
+add_l 000010 ..... ..... .... 1010.. 0 ..... @rrr_cf_sh
+add_tsv 000010 ..... ..... .... 1110.. 0 ..... @rrr_cf_sh
+add_c 000010 ..... ..... .... 011100 0 ..... @rrr_cf_sh0
+add_c_tsv 000010 ..... ..... .... 111100 0 ..... @rrr_cf_sh0
+
+sub 000010 ..... ..... .... 010000 0 ..... @rrr_cf
+sub_tsv 000010 ..... ..... .... 110000 0 ..... @rrr_cf
+sub_tc 000010 ..... ..... .... 010011 0 ..... @rrr_cf
+sub_tsv_tc 000010 ..... ..... .... 110011 0 ..... @rrr_cf
+sub_b 000010 ..... ..... .... 010100 0 ..... @rrr_cf
+sub_b_tsv 000010 ..... ..... .... 110100 0 ..... @rrr_cf
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 961b890..6c7d301 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -1217,6 +1217,20 @@ static void do_add(DisasContext *ctx, unsigned rt, TCGv_reg in1,
ctx->null_cond = cond;
}
+static bool do_add_reg(DisasContext *ctx, arg_rrr_cf_sh *a,
+ bool is_l, bool is_tsv, bool is_tc, bool is_c)
+{
+ TCGv_reg tcg_r1, tcg_r2;
+
+ if (a->cf) {
+ nullify_over(ctx);
+ }
+ tcg_r1 = load_gpr(ctx, a->r1);
+ tcg_r2 = load_gpr(ctx, a->r2);
+ do_add(ctx, a->t, tcg_r1, tcg_r2, a->sh, is_l, is_tsv, is_tc, is_c, a->cf);
+ return nullify_end(ctx);
+}
+
static void do_sub(DisasContext *ctx, unsigned rt, TCGv_reg in1,
TCGv_reg in2, bool is_tsv, bool is_b,
bool is_tc, unsigned cf)
@@ -1283,6 +1297,20 @@ static void do_sub(DisasContext *ctx, unsigned rt, TCGv_reg in1,
ctx->null_cond = cond;
}
+static bool do_sub_reg(DisasContext *ctx, arg_rrr_cf *a,
+ bool is_tsv, bool is_b, bool is_tc)
+{
+ TCGv_reg tcg_r1, tcg_r2;
+
+ if (a->cf) {
+ nullify_over(ctx);
+ }
+ tcg_r1 = load_gpr(ctx, a->r1);
+ tcg_r2 = load_gpr(ctx, a->r2);
+ do_sub(ctx, a->t, tcg_r1, tcg_r2, is_tsv, is_b, is_tc, a->cf);
+ return nullify_end(ctx);
+}
+
static void do_cmpclr(DisasContext *ctx, unsigned rt, TCGv_reg in1,
TCGv_reg in2, unsigned cf)
{
@@ -1328,6 +1356,20 @@ static void do_log(DisasContext *ctx, unsigned rt, TCGv_reg in1,
}
}
+static bool do_log_reg(DisasContext *ctx, arg_rrr_cf *a,
+ void (*fn)(TCGv_reg, TCGv_reg, TCGv_reg))
+{
+ TCGv_reg tcg_r1, tcg_r2;
+
+ if (a->cf) {
+ nullify_over(ctx);
+ }
+ tcg_r1 = load_gpr(ctx, a->r1);
+ tcg_r2 = load_gpr(ctx, a->r2);
+ do_log(ctx, a->t, tcg_r1, tcg_r2, a->cf, fn);
+ return nullify_end(ctx);
+}
+
static void do_unit(DisasContext *ctx, unsigned rt, TCGv_reg in1,
TCGv_reg in2, unsigned cf, bool is_tc,
void (*fn)(TCGv_reg, TCGv_reg, TCGv_reg))
@@ -2463,117 +2505,78 @@ static bool trans_lci(DisasContext *ctx, arg_lci *a)
return true;
}
-static bool trans_add(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
+static bool trans_add(DisasContext *ctx, arg_rrr_cf_sh *a)
{
- unsigned r2 = extract32(insn, 21, 5);
- unsigned r1 = extract32(insn, 16, 5);
- unsigned cf = extract32(insn, 12, 4);
- unsigned ext = extract32(insn, 8, 4);
- unsigned shift = extract32(insn, 6, 2);
- unsigned rt = extract32(insn, 0, 5);
- TCGv_reg tcg_r1, tcg_r2;
- bool is_c = false;
- bool is_l = false;
- bool is_tc = false;
- bool is_tsv = false;
+ return do_add_reg(ctx, a, false, false, false, false);
+}
- switch (ext) {
- case 0x6: /* ADD, SHLADD */
- break;
- case 0xa: /* ADD,L, SHLADD,L */
- is_l = true;
- break;
- case 0xe: /* ADD,TSV, SHLADD,TSV (1) */
- is_tsv = true;
- break;
- case 0x7: /* ADD,C */
- is_c = true;
- break;
- case 0xf: /* ADD,C,TSV */
- is_c = is_tsv = true;
- break;
- default:
- return gen_illegal(ctx);
- }
+static bool trans_add_l(DisasContext *ctx, arg_rrr_cf_sh *a)
+{
+ return do_add_reg(ctx, a, true, false, false, false);
+}
- if (cf) {
- nullify_over(ctx);
- }
- tcg_r1 = load_gpr(ctx, r1);
- tcg_r2 = load_gpr(ctx, r2);
- do_add(ctx, rt, tcg_r1, tcg_r2, shift, is_l, is_tsv, is_tc, is_c, cf);
- return nullify_end(ctx);
+static bool trans_add_tsv(DisasContext *ctx, arg_rrr_cf_sh *a)
+{
+ return do_add_reg(ctx, a, false, true, false, false);
}
-static bool trans_sub(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
+static bool trans_add_c(DisasContext *ctx, arg_rrr_cf_sh *a)
{
- unsigned r2 = extract32(insn, 21, 5);
- unsigned r1 = extract32(insn, 16, 5);
- unsigned cf = extract32(insn, 12, 4);
- unsigned ext = extract32(insn, 6, 6);
- unsigned rt = extract32(insn, 0, 5);
- TCGv_reg tcg_r1, tcg_r2;
- bool is_b = false;
- bool is_tc = false;
- bool is_tsv = false;
+ return do_add_reg(ctx, a, false, false, false, true);
+}
- switch (ext) {
- case 0x10: /* SUB */
- break;
- case 0x30: /* SUB,TSV */
- is_tsv = true;
- break;
- case 0x14: /* SUB,B */
- is_b = true;
- break;
- case 0x34: /* SUB,B,TSV */
- is_b = is_tsv = true;
- break;
- case 0x13: /* SUB,TC */
- is_tc = true;
- break;
- case 0x33: /* SUB,TSV,TC */
- is_tc = is_tsv = true;
- break;
- default:
- return gen_illegal(ctx);
- }
+static bool trans_add_c_tsv(DisasContext *ctx, arg_rrr_cf_sh *a)
+{
+ return do_add_reg(ctx, a, false, true, false, true);
+}
- if (cf) {
- nullify_over(ctx);
- }
- tcg_r1 = load_gpr(ctx, r1);
- tcg_r2 = load_gpr(ctx, r2);
- do_sub(ctx, rt, tcg_r1, tcg_r2, is_tsv, is_b, is_tc, cf);
- return nullify_end(ctx);
+static bool trans_sub(DisasContext *ctx, arg_rrr_cf *a)
+{
+ return do_sub_reg(ctx, a, false, false, false);
}
-static bool trans_log(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
+static bool trans_sub_tsv(DisasContext *ctx, arg_rrr_cf *a)
{
- unsigned r2 = extract32(insn, 21, 5);
- unsigned r1 = extract32(insn, 16, 5);
- unsigned cf = extract32(insn, 12, 4);
- unsigned rt = extract32(insn, 0, 5);
- TCGv_reg tcg_r1, tcg_r2;
+ return do_sub_reg(ctx, a, true, false, false);
+}
- if (cf) {
- nullify_over(ctx);
- }
- tcg_r1 = load_gpr(ctx, r1);
- tcg_r2 = load_gpr(ctx, r2);
- do_log(ctx, rt, tcg_r1, tcg_r2, cf, di->f.ttt);
- return nullify_end(ctx);
+static bool trans_sub_tc(DisasContext *ctx, arg_rrr_cf *a)
+{
+ return do_sub_reg(ctx, a, false, false, true);
}
-static bool trans_or(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
+static bool trans_sub_tsv_tc(DisasContext *ctx, arg_rrr_cf *a)
{
- unsigned r2 = extract32(insn, 21, 5);
- unsigned r1 = extract32(insn, 16, 5);
- unsigned cf = extract32(insn, 12, 4);
- unsigned rt = extract32(insn, 0, 5);
- TCGv_reg tcg_r1, tcg_r2;
+ return do_sub_reg(ctx, a, true, false, true);
+}
+
+static bool trans_sub_b(DisasContext *ctx, arg_rrr_cf *a)
+{
+ return do_sub_reg(ctx, a, false, true, false);
+}
+
+static bool trans_sub_b_tsv(DisasContext *ctx, arg_rrr_cf *a)
+{
+ return do_sub_reg(ctx, a, true, true, false);
+}
+
+static bool trans_andcm(DisasContext *ctx, arg_rrr_cf *a)
+{
+ return do_log_reg(ctx, a, tcg_gen_andc_reg);
+}
+
+static bool trans_and(DisasContext *ctx, arg_rrr_cf *a)
+{
+ return do_log_reg(ctx, a, tcg_gen_and_reg);
+}
+
+static bool trans_or(DisasContext *ctx, arg_rrr_cf *a)
+{
+ if (a->cf == 0) {
+ unsigned r2 = a->r2;
+ unsigned r1 = a->r1;
+ unsigned rt = a->t;
- if (cf == 0) {
if (rt == 0) { /* NOP */
cond_free(&ctx->null_cond);
return true;
@@ -2620,76 +2623,67 @@ static bool trans_or(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
}
#endif
}
+ return do_log_reg(ctx, a, tcg_gen_or_reg);
+}
- if (cf) {
- nullify_over(ctx);
- }
- tcg_r1 = load_gpr(ctx, r1);
- tcg_r2 = load_gpr(ctx, r2);
- do_log(ctx, rt, tcg_r1, tcg_r2, cf, tcg_gen_or_reg);
- return nullify_end(ctx);
+static bool trans_xor(DisasContext *ctx, arg_rrr_cf *a)
+{
+ return do_log_reg(ctx, a, tcg_gen_xor_reg);
}
-static bool trans_cmpclr(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
+static bool trans_cmpclr(DisasContext *ctx, arg_rrr_cf *a)
{
- unsigned r2 = extract32(insn, 21, 5);
- unsigned r1 = extract32(insn, 16, 5);
- unsigned cf = extract32(insn, 12, 4);
- unsigned rt = extract32(insn, 0, 5);
TCGv_reg tcg_r1, tcg_r2;
- if (cf) {
+ if (a->cf) {
nullify_over(ctx);
}
- tcg_r1 = load_gpr(ctx, r1);
- tcg_r2 = load_gpr(ctx, r2);
- do_cmpclr(ctx, rt, tcg_r1, tcg_r2, cf);
+ tcg_r1 = load_gpr(ctx, a->r1);
+ tcg_r2 = load_gpr(ctx, a->r2);
+ do_cmpclr(ctx, a->t, tcg_r1, tcg_r2, a->cf);
return nullify_end(ctx);
}
-static bool trans_uxor(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
+static bool trans_uxor(DisasContext *ctx, arg_rrr_cf *a)
{
- unsigned r2 = extract32(insn, 21, 5);
- unsigned r1 = extract32(insn, 16, 5);
- unsigned cf = extract32(insn, 12, 4);
- unsigned rt = extract32(insn, 0, 5);
TCGv_reg tcg_r1, tcg_r2;
- if (cf) {
+ if (a->cf) {
nullify_over(ctx);
}
- tcg_r1 = load_gpr(ctx, r1);
- tcg_r2 = load_gpr(ctx, r2);
- do_unit(ctx, rt, tcg_r1, tcg_r2, cf, false, tcg_gen_xor_reg);
+ tcg_r1 = load_gpr(ctx, a->r1);
+ tcg_r2 = load_gpr(ctx, a->r2);
+ do_unit(ctx, a->t, tcg_r1, tcg_r2, a->cf, false, tcg_gen_xor_reg);
return nullify_end(ctx);
}
-static bool trans_uaddcm(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
+static bool do_uaddcm(DisasContext *ctx, arg_rrr_cf *a, bool is_tc)
{
- unsigned r2 = extract32(insn, 21, 5);
- unsigned r1 = extract32(insn, 16, 5);
- unsigned cf = extract32(insn, 12, 4);
- unsigned is_tc = extract32(insn, 6, 1);
- unsigned rt = extract32(insn, 0, 5);
TCGv_reg tcg_r1, tcg_r2, tmp;
- if (cf) {
+ if (a->cf) {
nullify_over(ctx);
}
- tcg_r1 = load_gpr(ctx, r1);
- tcg_r2 = load_gpr(ctx, r2);
+ tcg_r1 = load_gpr(ctx, a->r1);
+ tcg_r2 = load_gpr(ctx, a->r2);
tmp = get_temp(ctx);
tcg_gen_not_reg(tmp, tcg_r2);
- do_unit(ctx, rt, tcg_r1, tmp, cf, is_tc, tcg_gen_add_reg);
+ do_unit(ctx, a->t, tcg_r1, tmp, a->cf, is_tc, tcg_gen_add_reg);
return nullify_end(ctx);
}
-static bool trans_dcor(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
+static bool trans_uaddcm(DisasContext *ctx, arg_rrr_cf *a)
+{
+ return do_uaddcm(ctx, a, false);
+}
+
+static bool trans_uaddcm_tc(DisasContext *ctx, arg_rrr_cf *a)
+{
+ return do_uaddcm(ctx, a, true);
+}
+
+static bool do_dcor(DisasContext *ctx, arg_rr_cf *a, bool is_i)
{
- unsigned r2 = extract32(insn, 21, 5);
- unsigned cf = extract32(insn, 12, 4);
- unsigned is_i = extract32(insn, 6, 1);
- unsigned rt = extract32(insn, 0, 5);
TCGv_reg tmp;
nullify_over(ctx);
@@ -2701,24 +2695,29 @@ static bool trans_dcor(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
}
tcg_gen_andi_reg(tmp, tmp, 0x11111111);
tcg_gen_muli_reg(tmp, tmp, 6);
- do_unit(ctx, rt, tmp, load_gpr(ctx, r2), cf, false,
+ do_unit(ctx, a->t, tmp, load_gpr(ctx, a->r), a->cf, false,
is_i ? tcg_gen_add_reg : tcg_gen_sub_reg);
-
return nullify_end(ctx);
}
-static bool trans_ds(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
+static bool trans_dcor(DisasContext *ctx, arg_rr_cf *a)
+{
+ return do_dcor(ctx, a, false);
+}
+
+static bool trans_dcor_i(DisasContext *ctx, arg_rr_cf *a)
+{
+ return do_dcor(ctx, a, true);
+}
+
+static bool trans_ds(DisasContext *ctx, arg_rrr_cf *a)
{
- unsigned r2 = extract32(insn, 21, 5);
- unsigned r1 = extract32(insn, 16, 5);
- unsigned cf = extract32(insn, 12, 4);
- unsigned rt = extract32(insn, 0, 5);
TCGv_reg dest, add1, add2, addc, zero, in1, in2;
nullify_over(ctx);
- in1 = load_gpr(ctx, r1);
- in2 = load_gpr(ctx, r2);
+ in1 = load_gpr(ctx, a->r1);
+ in2 = load_gpr(ctx, a->r2);
add1 = tcg_temp_new();
add2 = tcg_temp_new();
@@ -2745,7 +2744,7 @@ static bool trans_ds(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
tcg_temp_free(zero);
/* Write back the result register. */
- save_gpr(ctx, rt, dest);
+ save_gpr(ctx, a->t, dest);
/* Write back PSW[CB]. */
tcg_gen_xor_reg(cpu_psw_cb, add1, add2);
@@ -2756,13 +2755,13 @@ static bool trans_ds(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
tcg_gen_xor_reg(cpu_psw_v, cpu_psw_v, in2);
/* Install the new nullification. */
- if (cf) {
+ if (a->cf) {
TCGv_reg sv = NULL;
- if (cf >> 1 == 6) {
+ if (a->cf >> 1 == 6) {
/* ??? The lshift is supposed to contribute to overflow. */
sv = do_add_sv(ctx, dest, add1, add2);
}
- ctx->null_cond = do_cond(cf, dest, cpu_psw_cb_msb, sv);
+ ctx->null_cond = do_cond(a->cf, dest, cpu_psw_cb_msb, sv);
}
tcg_temp_free(add1);
@@ -2772,22 +2771,6 @@ static bool trans_ds(DisasContext *ctx, uint32_t insn, const DisasInsn *di)
return nullify_end(ctx);
}
-static const DisasInsn table_arith_log[] = {
- { 0x08000240u, 0xfc000fe0u, trans_or },
- { 0x08000000u, 0xfc000fe0u, trans_log, .f.ttt = tcg_gen_andc_reg },
- { 0x08000200u, 0xfc000fe0u, trans_log, .f.ttt = tcg_gen_and_reg },
- { 0x08000280u, 0xfc000fe0u, trans_log, .f.ttt = tcg_gen_xor_reg },
- { 0x08000880u, 0xfc000fe0u, trans_cmpclr },
- { 0x08000380u, 0xfc000fe0u, trans_uxor },
- { 0x08000980u, 0xfc000fa0u, trans_uaddcm },
- { 0x08000b80u, 0xfc1f0fa0u, trans_dcor },
- { 0x08000440u, 0xfc000fe0u, trans_ds },
- { 0x08000700u, 0xfc0007e0u, trans_add }, /* add */
- { 0x08000400u, 0xfc0006e0u, trans_sub }, /* sub; sub,b; sub,tsv */
- { 0x080004c0u, 0xfc0007e0u, trans_sub }, /* sub,tc; sub,tsv,tc */
- { 0x08000200u, 0xfc000320u, trans_add }, /* shladd */
-};
-
static bool trans_addi(DisasContext *ctx, uint32_t insn)
{
target_sreg im = low_sextract(insn, 0, 11);
@@ -4487,9 +4470,6 @@ static void translate_one(DisasContext *ctx, uint32_t insn)
opc = extract32(insn, 26, 6);
switch (opc) {
- case 0x02:
- translate_table(ctx, insn, table_arith_log);
- return;
case 0x03:
translate_table(ctx, insn, table_index_mem);
return;
generated by cgit v1.1 at 2024-11-02 22:00:14 +0000