@@ -2105,25 +2105,21 @@ static DisasASI get_asi(DisasContext *dc, int insn, MemOp memop)
return resolve_asi(dc, asi, memop);
}
-static void __attribute__((unused))
-gen_ld_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn, MemOp memop)
+static void gen_ld_asi0(DisasContext *dc, DisasASI *da, TCGv dst, TCGv addr)
{
- DisasASI da = get_asi(dc, insn, memop);
-
- switch (da.type) {
+ switch (da->type) {
case GET_ASI_EXCP:
break;
case GET_ASI_DTWINX: /* Reserved for ldda. */
gen_exception(dc, TT_ILL_INSN);
break;
case GET_ASI_DIRECT:
- gen_address_mask(dc, addr);
- tcg_gen_qemu_ld_tl(dst, addr, da.mem_idx, da.memop | MO_ALIGN);
+ tcg_gen_qemu_ld_tl(dst, addr, da->mem_idx, da->memop | MO_ALIGN);
break;
default:
{
- TCGv_i32 r_asi = tcg_constant_i32(da.asi);
- TCGv_i32 r_mop = tcg_constant_i32(memop | MO_ALIGN);
+ TCGv_i32 r_asi = tcg_constant_i32(da->asi);
+ TCGv_i32 r_mop = tcg_constant_i32(da->memop | MO_ALIGN);
save_state(dc);
#ifdef TARGET_SPARC64
@@ -2141,33 +2137,38 @@ gen_ld_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn, MemOp memop)
}
static void __attribute__((unused))
-gen_st_asi(DisasContext *dc, TCGv src, TCGv addr, int insn, MemOp memop)
+gen_ld_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn, MemOp memop)
{
DisasASI da = get_asi(dc, insn, memop);
- switch (da.type) {
+ gen_address_mask(dc, addr);
+ gen_ld_asi0(dc, &da, dst, addr);
+}
+
+static void gen_st_asi0(DisasContext *dc, DisasASI *da, TCGv src, TCGv addr)
+{
+ switch (da->type) {
case GET_ASI_EXCP:
break;
+
case GET_ASI_DTWINX: /* Reserved for stda. */
-#ifndef TARGET_SPARC64
- gen_exception(dc, TT_ILL_INSN);
- break;
-#else
- if (!(dc->def->features & CPU_FEATURE_HYPV)) {
+ if (TARGET_LONG_BITS == 32) {
+ gen_exception(dc, TT_ILL_INSN);
+ break;
+ } else if (!(dc->def->features & CPU_FEATURE_HYPV)) {
/* Pre OpenSPARC CPUs don't have these */
gen_exception(dc, TT_ILL_INSN);
- return;
+ break;
}
- /* in OpenSPARC T1+ CPUs TWINX ASIs in store instructions
- * are ST_BLKINIT_ ASIs */
-#endif
+ /* In OpenSPARC T1+ CPUs TWINX ASIs in store are ST_BLKINIT_ ASIs */
/* fall through */
+
case GET_ASI_DIRECT:
- gen_address_mask(dc, addr);
- tcg_gen_qemu_st_tl(src, addr, da.mem_idx, da.memop | MO_ALIGN);
+ tcg_gen_qemu_st_tl(src, addr, da->mem_idx, da->memop | MO_ALIGN);
break;
-#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
+
case GET_ASI_BCOPY:
+ assert(TARGET_LONG_BITS == 32);
/* Copy 32 bytes from the address in SRC to ADDR. */
/* ??? The original qemu code suggests 4-byte alignment, dropping
the low bits, but the only place I can see this used is in the
@@ -2185,18 +2186,18 @@ gen_st_asi(DisasContext *dc, TCGv src, TCGv addr, int insn, MemOp memop)
for (i = 0; i < 32; i += 4) {
/* Since the loads and stores are paired, allow the
copy to happen in the host endianness. */
- tcg_gen_qemu_ld_i32(tmp, saddr, da.mem_idx, MO_UL);
- tcg_gen_qemu_st_i32(tmp, daddr, da.mem_idx, MO_UL);
+ tcg_gen_qemu_ld_i32(tmp, saddr, da->mem_idx, MO_UL);
+ tcg_gen_qemu_st_i32(tmp, daddr, da->mem_idx, MO_UL);
tcg_gen_add_tl(saddr, saddr, four);
tcg_gen_add_tl(daddr, daddr, four);
}
}
break;
-#endif
+
default:
{
- TCGv_i32 r_asi = tcg_constant_i32(da.asi);
- TCGv_i32 r_mop = tcg_constant_i32(memop | MO_ALIGN);
+ TCGv_i32 r_asi = tcg_constant_i32(da->asi);
+ TCGv_i32 r_mop = tcg_constant_i32(da->memop | MO_ALIGN);
save_state(dc);
#ifdef TARGET_SPARC64
@@ -2216,16 +2217,49 @@ gen_st_asi(DisasContext *dc, TCGv src, TCGv addr, int insn, MemOp memop)
}
}
+static void __attribute__((unused))
+gen_st_asi(DisasContext *dc, TCGv src, TCGv addr, int insn, MemOp memop)
+{
+ DisasASI da = get_asi(dc, insn, memop);
+
+ gen_address_mask(dc, addr);
+ gen_st_asi0(dc, &da, src, addr);
+}
+
+static void gen_swap_asi0(DisasContext *dc, DisasASI *da,
+ TCGv dst, TCGv src, TCGv addr)
+{
+ switch (da->type) {
+ case GET_ASI_EXCP:
+ break;
+ case GET_ASI_DIRECT:
+ gen_swap(dc, dst, src, addr, da->mem_idx, da->memop);
+ break;
+ default:
+ /* ??? Should be DAE_invalid_asi. */
+ gen_exception(dc, TT_DATA_ACCESS);
+ break;
+ }
+}
+
static void __attribute__((unused))
gen_swap_asi(DisasContext *dc, TCGv dst, TCGv src, TCGv addr, int insn)
{
DisasASI da = get_asi(dc, insn, MO_TEUL);
- switch (da.type) {
+ gen_address_mask(dc, addr);
+ gen_swap_asi0(dc, &da, dst, src, addr);
+}
+
+static void gen_cas_asi0(DisasContext *dc, DisasASI *da,
+ TCGv oldv, TCGv newv, TCGv cmpv, TCGv addr)
+{
+ switch (da->type) {
case GET_ASI_EXCP:
- break;
+ return;
case GET_ASI_DIRECT:
- gen_swap(dc, dst, src, addr, da.mem_idx, da.memop);
+ tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, newv,
+ da->mem_idx, da->memop | MO_ALIGN);
break;
default:
/* ??? Should be DAE_invalid_asi. */
@@ -2238,34 +2272,33 @@ static void __attribute__((unused))
gen_cas_asi(DisasContext *dc, TCGv addr, TCGv cmpv, int insn, int rd)
{
DisasASI da = get_asi(dc, insn, MO_TEUL);
- TCGv oldv;
+ TCGv oldv = gen_dest_gpr(dc, rd);
+ TCGv newv = gen_load_gpr(dc, rd);
- switch (da.type) {
- case GET_ASI_EXCP:
- return;
- case GET_ASI_DIRECT:
- oldv = tcg_temp_new();
- tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, gen_load_gpr(dc, rd),
- da.mem_idx, da.memop | MO_ALIGN);
- gen_store_gpr(dc, rd, oldv);
- break;
- default:
- /* ??? Should be DAE_invalid_asi. */
- gen_exception(dc, TT_DATA_ACCESS);
- break;
- }
+ gen_address_mask(dc, addr);
+ gen_cas_asi0(dc, &da, oldv, newv, cmpv, addr);
+ gen_store_gpr(dc, rd, oldv);
}
static void __attribute__((unused))
-gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn)
+gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv, int insn, int rd)
{
- DisasASI da = get_asi(dc, insn, MO_UB);
+ DisasASI da = get_asi(dc, insn, MO_TEUQ);
+ TCGv oldv = gen_dest_gpr(dc, rd);
+ TCGv newv = gen_load_gpr(dc, rd);
- switch (da.type) {
+ gen_address_mask(dc, addr);
+ gen_cas_asi0(dc, &da, oldv, newv, cmpv, addr);
+ gen_store_gpr(dc, rd, oldv);
+}
+
+static void gen_ldstub_asi0(DisasContext *dc, DisasASI *da, TCGv dst, TCGv addr)
+{
+ switch (da->type) {
case GET_ASI_EXCP:
break;
case GET_ASI_DIRECT:
- gen_ldstub(dc, dst, addr, da.mem_idx);
+ gen_ldstub(dc, dst, addr, da->mem_idx);
break;
default:
/* ??? In theory, this should be raise DAE_invalid_asi.
@@ -2273,7 +2306,7 @@ gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn)
if (tb_cflags(dc->base.tb) & CF_PARALLEL) {
gen_helper_exit_atomic(tcg_env);
} else {
- TCGv_i32 r_asi = tcg_constant_i32(da.asi);
+ TCGv_i32 r_asi = tcg_constant_i32(da->asi);
TCGv_i32 r_mop = tcg_constant_i32(MO_UB);
TCGv_i64 s64, t64;
@@ -2293,6 +2326,15 @@ gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn)
}
}
+static void __attribute__((unused))
+gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn)
+{
+ DisasASI da = get_asi(dc, insn, MO_UB);
+
+ gen_address_mask(dc, addr);
+ gen_ldstub_asi0(dc, &da, dst, addr);
+}
+
static void __attribute__((unused))
gen_ldf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd)
{
@@ -2485,36 +2527,32 @@ gen_stf_asi(DisasContext *dc, TCGv addr, int insn, int size, int rd)
}
}
-static void __attribute__((unused))
-gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
+static void gen_ldda_asi0(DisasContext *dc, DisasASI *da, TCGv addr, int rd)
{
- DisasASI da = get_asi(dc, insn, MO_TEUQ);
TCGv hi = gen_dest_gpr(dc, rd);
TCGv lo = gen_dest_gpr(dc, rd + 1);
- switch (da.type) {
+ switch (da->type) {
case GET_ASI_EXCP:
return;
case GET_ASI_DTWINX:
assert(TARGET_LONG_BITS == 64);
- gen_address_mask(dc, addr);
- tcg_gen_qemu_ld_tl(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16);
+ tcg_gen_qemu_ld_tl(hi, addr, da->mem_idx, da->memop | MO_ALIGN_16);
tcg_gen_addi_tl(addr, addr, 8);
- tcg_gen_qemu_ld_tl(lo, addr, da.mem_idx, da.memop);
+ tcg_gen_qemu_ld_tl(lo, addr, da->mem_idx, da->memop);
break;
case GET_ASI_DIRECT:
{
TCGv_i64 tmp = tcg_temp_new_i64();
- gen_address_mask(dc, addr);
- tcg_gen_qemu_ld_i64(tmp, addr, da.mem_idx, da.memop | MO_ALIGN);
+ tcg_gen_qemu_ld_i64(tmp, addr, da->mem_idx, da->memop | MO_ALIGN);
/* Note that LE ldda acts as if each 32-bit register
result is byte swapped. Having just performed one
64-bit bswap, we need now to swap the writebacks. */
- if ((da.memop & MO_BSWAP) == MO_TE) {
+ if ((da->memop & MO_BSWAP) == MO_TE) {
tcg_gen_extr_i64_tl(lo, hi, tmp);
} else {
tcg_gen_extr_i64_tl(hi, lo, tmp);
@@ -2528,15 +2566,15 @@ gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
real hardware allows others. This can be seen with e.g.
FreeBSD 10.3 wrt ASI_IC_TAG. */
{
- TCGv_i32 r_asi = tcg_constant_i32(da.asi);
- TCGv_i32 r_mop = tcg_constant_i32(da.memop);
+ TCGv_i32 r_asi = tcg_constant_i32(da->asi);
+ TCGv_i32 r_mop = tcg_constant_i32(da->memop);
TCGv_i64 tmp = tcg_temp_new_i64();
save_state(dc);
gen_helper_ld_asi(tmp, tcg_env, addr, r_asi, r_mop);
/* See above. */
- if ((da.memop & MO_BSWAP) == MO_TE) {
+ if ((da->memop & MO_BSWAP) == MO_TE) {
tcg_gen_extr_i64_tl(lo, hi, tmp);
} else {
tcg_gen_extr_i64_tl(hi, lo, tmp);
@@ -2550,21 +2588,28 @@ gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
}
static void __attribute__((unused))
-gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, int insn, int rd)
+gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
{
DisasASI da = get_asi(dc, insn, MO_TEUQ);
+
+ gen_address_mask(dc, addr);
+ gen_ldda_asi0(dc, &da, addr, rd);
+}
+
+static void gen_stda_asi0(DisasContext *dc, DisasASI *da, TCGv addr, int rd)
+{
+ TCGv hi = gen_load_gpr(dc, rd);
TCGv lo = gen_load_gpr(dc, rd + 1);
- switch (da.type) {
+ switch (da->type) {
case GET_ASI_EXCP:
break;
case GET_ASI_DTWINX:
assert(TARGET_LONG_BITS == 64);
- gen_address_mask(dc, addr);
- tcg_gen_qemu_st_tl(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16);
+ tcg_gen_qemu_st_tl(hi, addr, da->mem_idx, da->memop | MO_ALIGN_16);
tcg_gen_addi_tl(addr, addr, 8);
- tcg_gen_qemu_st_tl(lo, addr, da.mem_idx, da.memop);
+ tcg_gen_qemu_st_tl(lo, addr, da->mem_idx, da->memop);
break;
case GET_ASI_DIRECT:
@@ -2574,13 +2619,12 @@ gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, int insn, int rd)
/* Note that LE stda acts as if each 32-bit register result is
byte swapped. We will perform one 64-bit LE store, so now
we must swap the order of the construction. */
- if ((da.memop & MO_BSWAP) == MO_TE) {
+ if ((da->memop & MO_BSWAP) == MO_TE) {
tcg_gen_concat_tl_i64(t64, lo, hi);
} else {
tcg_gen_concat_tl_i64(t64, hi, lo);
}
- gen_address_mask(dc, addr);
- tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop | MO_ALIGN);
+ tcg_gen_qemu_st_i64(t64, addr, da->mem_idx, da->memop | MO_ALIGN);
}
break;
@@ -2600,7 +2644,7 @@ gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, int insn, int rd)
tcg_gen_concat_tl_i64(t64, lo, hi);
tcg_gen_andi_tl(d_addr, addr, -8);
for (i = 0; i < 32; i += 8) {
- tcg_gen_qemu_st_i64(t64, d_addr, da.mem_idx, da.memop);
+ tcg_gen_qemu_st_i64(t64, d_addr, da->mem_idx, da->memop);
tcg_gen_add_tl(d_addr, d_addr, eight);
}
}
@@ -2610,12 +2654,12 @@ gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, int insn, int rd)
/* ??? In theory we've handled all of the ASIs that are valid
for stda, and this should raise DAE_invalid_asi. */
{
- TCGv_i32 r_asi = tcg_constant_i32(da.asi);
- TCGv_i32 r_mop = tcg_constant_i32(da.memop);
+ TCGv_i32 r_asi = tcg_constant_i32(da->asi);
+ TCGv_i32 r_mop = tcg_constant_i32(da->memop);
TCGv_i64 t64 = tcg_temp_new_i64();
/* See above. */
- if ((da.memop & MO_BSWAP) == MO_TE) {
+ if ((da->memop & MO_BSWAP) == MO_TE) {
tcg_gen_concat_tl_i64(t64, lo, hi);
} else {
tcg_gen_concat_tl_i64(t64, hi, lo);
@@ -2629,25 +2673,12 @@ gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, int insn, int rd)
}
static void __attribute__((unused))
-gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv, int insn, int rd)
+gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr, int insn, int rd)
{
DisasASI da = get_asi(dc, insn, MO_TEUQ);
- TCGv oldv;
- switch (da.type) {
- case GET_ASI_EXCP:
- return;
- case GET_ASI_DIRECT:
- oldv = tcg_temp_new();
- tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, gen_load_gpr(dc, rd),
- da.mem_idx, da.memop | MO_ALIGN);
- gen_store_gpr(dc, rd, oldv);
- break;
- default:
- /* ??? Should be DAE_invalid_asi. */
- gen_exception(dc, TT_DATA_ACCESS);
- break;
- }
+ gen_address_mask(dc, addr);
+ gen_stda_asi0(dc, &da, addr, rd);
}
static TCGv get_src1(DisasContext *dc, unsigned int insn)
As an intermediate step in decodetree conversion, create new functions passing in DisasASI and not insn. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- target/sparc/translate.c | 215 ++++++++++++++++++++++----------------- 1 file changed, 123 insertions(+), 92 deletions(-)