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Diffstat (limited to 'target-alpha/translate.c')
-rw-r--r--target-alpha/translate.c438
1 files changed, 197 insertions, 241 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index efb0c17..ebfe426 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -51,9 +51,6 @@ static TCGv cpu_fir[31];
static TCGv cpu_pc;
static TCGv cpu_lock;
-/* dyngen register indexes */
-static TCGv cpu_T[2];
-
/* register names */
static char cpu_reg_names[10*4+21*5 + 10*5+21*6];
@@ -70,16 +67,6 @@ static void alpha_translate_init(void)
cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
-#if TARGET_LONG_BITS > HOST_LONG_BITS
- cpu_T[0] = tcg_global_mem_new(TCG_TYPE_I64, TCG_AREG0,
- offsetof(CPUState, t0), "T0");
- cpu_T[1] = tcg_global_mem_new(TCG_TYPE_I64, TCG_AREG0,
- offsetof(CPUState, t1), "T1");
-#else
- cpu_T[0] = tcg_global_reg_new(TCG_TYPE_I64, TCG_AREG1, "T0");
- cpu_T[1] = tcg_global_reg_new(TCG_TYPE_I64, TCG_AREG2, "T1");
-#endif
-
p = cpu_reg_names;
for (i = 0; i < 31; i++) {
sprintf(p, "ir%d", i);
@@ -107,56 +94,6 @@ static void alpha_translate_init(void)
done_init = 1;
}
-/* Memory moves */
-#if defined(CONFIG_USER_ONLY)
-#define OP_LD_TABLE(width) \
-static GenOpFunc *gen_op_ld##width[] = { \
- &gen_op_ld##width##_raw, \
-}
-#define OP_ST_TABLE(width) \
-static GenOpFunc *gen_op_st##width[] = { \
- &gen_op_st##width##_raw, \
-}
-#else
-#define OP_LD_TABLE(width) \
-static GenOpFunc *gen_op_ld##width[] = { \
- &gen_op_ld##width##_kernel, \
- &gen_op_ld##width##_executive, \
- &gen_op_ld##width##_supervisor, \
- &gen_op_ld##width##_user, \
-}
-#define OP_ST_TABLE(width) \
-static GenOpFunc *gen_op_st##width[] = { \
- &gen_op_st##width##_kernel, \
- &gen_op_st##width##_executive, \
- &gen_op_st##width##_supervisor, \
- &gen_op_st##width##_user, \
-}
-#endif
-
-#define GEN_LD(width) \
-OP_LD_TABLE(width); \
-static always_inline void gen_ld##width (DisasContext *ctx) \
-{ \
- (*gen_op_ld##width[ctx->mem_idx])(); \
-}
-
-#define GEN_ST(width) \
-OP_ST_TABLE(width); \
-static always_inline void gen_st##width (DisasContext *ctx) \
-{ \
- (*gen_op_st##width[ctx->mem_idx])(); \
-}
-
-GEN_LD(l);
-GEN_ST(l);
-GEN_LD(q);
-GEN_ST(q);
-GEN_LD(l_l);
-GEN_ST(l_c);
-GEN_LD(q_l);
-GEN_ST(q_c);
-
static always_inline void gen_excp (DisasContext *ctx,
int exception, int error_code)
{
@@ -1027,7 +964,7 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
if (ra != 31) {
if (islit)
tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], lit);
- else
+ else
tcg_gen_or_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else {
if (islit)
@@ -1701,9 +1638,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
#else
if (!ctx->pal_mode)
goto invalid_opc;
- gen_op_mfpr(insn & 0xFF);
- if (ra != 31)
- tcg_gen_mov_i64(cpu_ir[ra], cpu_T[0]);
+ if (ra != 31) {
+ TCGv tmp = tcg_const_i32(insn & 0xFF);
+ tcg_gen_helper_1_2(helper_mfpr, cpu_ir[ra], tmp, cpu_ir[ra]);
+ tcg_temp_free(tmp);
+ }
break;
#endif
case 0x1A:
@@ -1737,94 +1676,94 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
#else
if (!ctx->pal_mode)
goto invalid_opc;
- if (rb != 31)
- tcg_gen_mov_i64(cpu_T[0], cpu_ir[rb]);
- else
- tcg_gen_movi_i64(cpu_T[0], 0);
- tcg_gen_movi_i64(cpu_T[1], disp12);
- tcg_gen_add_i64(cpu_T[0], cpu_T[0], cpu_T[1]);
- switch ((insn >> 12) & 0xF) {
- case 0x0:
- /* Longword physical access */
- gen_op_ldl_raw();
- break;
- case 0x1:
- /* Quadword physical access */
- gen_op_ldq_raw();
- break;
- case 0x2:
- /* Longword physical access with lock */
- gen_op_ldl_l_raw();
- break;
- case 0x3:
- /* Quadword physical access with lock */
- gen_op_ldq_l_raw();
- break;
- case 0x4:
- /* Longword virtual PTE fetch */
- gen_op_ldl_kernel();
- break;
- case 0x5:
- /* Quadword virtual PTE fetch */
- gen_op_ldq_kernel();
- break;
- case 0x6:
- /* Invalid */
- goto invalid_opc;
- case 0x7:
- /* Invalid */
- goto invalid_opc;
- case 0x8:
- /* Longword virtual access */
- gen_op_ld_phys_to_virt();
- gen_op_ldl_raw();
- break;
- case 0x9:
- /* Quadword virtual access */
- gen_op_ld_phys_to_virt();
- gen_op_ldq_raw();
- break;
- case 0xA:
- /* Longword virtual access with protection check */
- gen_ldl(ctx);
- break;
- case 0xB:
- /* Quadword virtual access with protection check */
- gen_ldq(ctx);
- break;
- case 0xC:
- /* Longword virtual access with altenate access mode */
- gen_op_set_alt_mode();
- gen_op_ld_phys_to_virt();
- gen_op_ldl_raw();
- gen_op_restore_mode();
- break;
- case 0xD:
- /* Quadword virtual access with altenate access mode */
- gen_op_set_alt_mode();
- gen_op_ld_phys_to_virt();
- gen_op_ldq_raw();
- gen_op_restore_mode();
- break;
- case 0xE:
- /* Longword virtual access with alternate access mode and
- * protection checks
- */
- gen_op_set_alt_mode();
- gen_op_ldl_data();
- gen_op_restore_mode();
- break;
- case 0xF:
- /* Quadword virtual access with alternate access mode and
- * protection checks
- */
- gen_op_set_alt_mode();
- gen_op_ldq_data();
- gen_op_restore_mode();
- break;
+ if (ra != 31) {
+ TCGv addr = tcg_temp_new(TCG_TYPE_I64);
+ if (rb != 31)
+ tcg_gen_addi_i64(addr, cpu_ir[rb], disp12);
+ else
+ tcg_gen_movi_i64(addr, disp12);
+ switch ((insn >> 12) & 0xF) {
+ case 0x0:
+ /* Longword physical access */
+ tcg_gen_helper_0_2(helper_ldl_raw, cpu_ir[ra], addr);
+ break;
+ case 0x1:
+ /* Quadword physical access */
+ tcg_gen_helper_0_2(helper_ldq_raw, cpu_ir[ra], addr);
+ break;
+ case 0x2:
+ /* Longword physical access with lock */
+ tcg_gen_helper_0_2(helper_ldl_l_raw, cpu_ir[ra], addr);
+ break;
+ case 0x3:
+ /* Quadword physical access with lock */
+ tcg_gen_helper_0_2(helper_ldq_l_raw, cpu_ir[ra], addr);
+ break;
+ case 0x4:
+ /* Longword virtual PTE fetch */
+ tcg_gen_helper_0_2(helper_ldl_kernel, cpu_ir[ra], addr);
+ break;
+ case 0x5:
+ /* Quadword virtual PTE fetch */
+ tcg_gen_helper_0_2(helper_ldq_kernel, cpu_ir[ra], addr);
+ break;
+ case 0x6:
+ /* Incpu_ir[ra]id */
+ goto incpu_ir[ra]id_opc;
+ case 0x7:
+ /* Incpu_ir[ra]id */
+ goto incpu_ir[ra]id_opc;
+ case 0x8:
+ /* Longword virtual access */
+ tcg_gen_helper_1_1(helper_st_virt_to_phys, addr, addr);
+ tcg_gen_helper_0_2(helper_ldl_raw, cpu_ir[ra], addr);
+ break;
+ case 0x9:
+ /* Quadword virtual access */
+ tcg_gen_helper_1_1(helper_st_virt_to_phys, addr, addr);
+ tcg_gen_helper_0_2(helper_ldq_raw, cpu_ir[ra], addr);
+ break;
+ case 0xA:
+ /* Longword virtual access with protection check */
+ tcg_gen_qemu_ld32s(cpu_ir[ra], addr, ctx->flags);
+ break;
+ case 0xB:
+ /* Quadword virtual access with protection check */
+ tcg_gen_qemu_ld64(cpu_ir[ra], addr, ctx->flags);
+ break;
+ case 0xC:
+ /* Longword virtual access with altenate access mode */
+ tcg_gen_helper_0_0(helper_set_alt_mode);
+ tcg_gen_helper_1_1(helper_st_virt_to_phys, addr, addr);
+ tcg_gen_helper_0_2(helper_ldl_raw, cpu_ir[ra], addr);
+ tcg_gen_helper_0_0(helper_restore_mode);
+ break;
+ case 0xD:
+ /* Quadword virtual access with altenate access mode */
+ tcg_gen_helper_0_0(helper_set_alt_mode);
+ tcg_gen_helper_1_1(helper_st_virt_to_phys, addr, addr);
+ tcg_gen_helper_0_2(helper_ldq_raw, cpu_ir[ra], addr);
+ tcg_gen_helper_0_0(helper_restore_mode);
+ break;
+ case 0xE:
+ /* Longword virtual access with alternate access mode and
+ * protection checks
+ */
+ tcg_gen_helper_0_0(helper_set_alt_mode);
+ tcg_gen_helper_0_2(helper_ldl_data, cpu_ir[ra], addr);
+ tcg_gen_helper_0_0(helper_restore_mode);
+ break;
+ case 0xF:
+ /* Quadword virtual access with alternate access mode and
+ * protection checks
+ */
+ tcg_gen_helper_0_0(helper_set_alt_mode);
+ tcg_gen_helper_0_2(helper_ldq_data, cpu_ir[ra], addr);
+ tcg_gen_helper_0_0(helper_restore_mode);
+ break;
+ }
+ tcg_temp_free(addr);
}
- if (ra != 31)
- tcg_gen_mov_i64(cpu_ir[ra], cpu_T[1]);
break;
#endif
case 0x1C:
@@ -2014,12 +1953,18 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
#else
if (!ctx->pal_mode)
goto invalid_opc;
- if (ra != 31)
- tcg_gen_mov_i64(cpu_T[0], cpu_ir[ra]);
- else
- tcg_gen_movi_i64(cpu_T[0], 0);
- gen_op_mtpr(insn & 0xFF);
- ret = 2;
+ else {
+ TCGv tmp1 = tcg_const_i32(insn & 0xFF);
+ if (ra != 31)
+ tcg_gen_helper(helper_mtpr, tmp1, cpu_ir[ra]);
+ else {
+ TCGv tmp2 = tcg_const_i64(0);
+ tcg_gen_helper(helper_mtpr, tmp1, tmp2);
+ tcg_temp_free(tmp2);
+ }
+ tcg_temp_free(tmp1);
+ ret = 2;
+ }
break;
#endif
case 0x1E:
@@ -2031,15 +1976,17 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
goto invalid_opc;
if (rb == 31) {
/* "Old" alpha */
- gen_op_hw_rei();
+ tcg_gen_helper_0_0(helper_hw_rei);
} else {
- if (ra != 31)
- tcg_gen_mov_i64(cpu_T[0], cpu_ir[rb]);
- else
- tcg_gen_movi_i64(cpu_T[0], 0);
- tcg_gen_movi_i64(cpu_T[1], (((int64_t)insn << 51) >> 51));
- tcg_gen_add_i64(cpu_T[0], cpu_T[0], cpu_T[1]);
- gen_op_hw_ret();
+ TCGv tmp;
+
+ if (ra != 31) {
+ tmp = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_addi_i64(tmp, cpu_ir[rb], (((int64_t)insn << 51) >> 51));
+ } else
+ tmp = tcg_const_i64(((int64_t)insn << 51) >> 51);
+ tcg_gen_helper_0_1(helper_hw_ret, tmp);
+ tcg_temp_free(tmp);
}
ret = 2;
break;
@@ -2051,79 +1998,88 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn)
#else
if (!ctx->pal_mode)
goto invalid_opc;
- if (ra != 31)
- tcg_gen_addi_i64(cpu_T[0], cpu_ir[rb], disp12);
- else
- tcg_gen_movi_i64(cpu_T[0], disp12);
- if (ra != 31)
- tcg_gen_mov_i64(cpu_T[1], cpu_ir[ra]);
- else
- tcg_gen_movi_i64(cpu_T[1], 0);
- switch ((insn >> 12) & 0xF) {
- case 0x0:
- /* Longword physical access */
- gen_op_stl_raw();
- break;
- case 0x1:
- /* Quadword physical access */
- gen_op_stq_raw();
- break;
- case 0x2:
- /* Longword physical access with lock */
- gen_op_stl_c_raw();
- break;
- case 0x3:
- /* Quadword physical access with lock */
- gen_op_stq_c_raw();
- break;
- case 0x4:
- /* Longword virtual access */
- gen_op_st_phys_to_virt();
- gen_op_stl_raw();
- break;
- case 0x5:
- /* Quadword virtual access */
- gen_op_st_phys_to_virt();
- gen_op_stq_raw();
- break;
- case 0x6:
- /* Invalid */
- goto invalid_opc;
- case 0x7:
- /* Invalid */
- goto invalid_opc;
- case 0x8:
- /* Invalid */
- goto invalid_opc;
- case 0x9:
- /* Invalid */
- goto invalid_opc;
- case 0xA:
- /* Invalid */
- goto invalid_opc;
- case 0xB:
- /* Invalid */
- goto invalid_opc;
- case 0xC:
- /* Longword virtual access with alternate access mode */
- gen_op_set_alt_mode();
- gen_op_st_phys_to_virt();
- gen_op_ldl_raw();
- gen_op_restore_mode();
- break;
- case 0xD:
- /* Quadword virtual access with alternate access mode */
- gen_op_set_alt_mode();
- gen_op_st_phys_to_virt();
- gen_op_ldq_raw();
- gen_op_restore_mode();
- break;
- case 0xE:
- /* Invalid */
- goto invalid_opc;
- case 0xF:
- /* Invalid */
- goto invalid_opc;
+ else {
+ TCGv addr, val;
+ addr = tcg_temp_new(TCG_TYPE_I64);
+ if (rb != 31)
+ tcg_gen_addi_i64(addr, cpu_ir[rb], disp12);
+ else
+ tcg_gen_movi_i64(addr, disp12);
+ if (ra != 31)
+ val = cpu_ir[ra];
+ else {
+ val = tcg_temp_new(TCG_TYPE_I64);
+ tcg_gen_movi_i64(val, 0);
+ }
+ switch ((insn >> 12) & 0xF) {
+ case 0x0:
+ /* Longword physical access */
+ tcg_gen_helper_0_2(helper_stl_raw, val, addr);
+ break;
+ case 0x1:
+ /* Quadword physical access */
+ tcg_gen_helper_0_2(helper_stq_raw, val, addr);
+ break;
+ case 0x2:
+ /* Longword physical access with lock */
+ tcg_gen_helper_1_2(helper_stl_c_raw, val, val, addr);
+ break;
+ case 0x3:
+ /* Quadword physical access with lock */
+ tcg_gen_helper_1_2(helper_stq_c_raw, val, val, addr);
+ break;
+ case 0x4:
+ /* Longword virtual access */
+ tcg_gen_helper_1_1(helper_st_virt_to_phys, addr, addr);
+ tcg_gen_helper_0_2(helper_stl_raw, val, addr);
+ break;
+ case 0x5:
+ /* Quadword virtual access */
+ tcg_gen_helper_1_1(helper_st_virt_to_phys, addr, addr);
+ tcg_gen_helper_0_2(helper_stq_raw, val, addr);
+ break;
+ case 0x6:
+ /* Invalid */
+ goto invalid_opc;
+ case 0x7:
+ /* Invalid */
+ goto invalid_opc;
+ case 0x8:
+ /* Invalid */
+ goto invalid_opc;
+ case 0x9:
+ /* Invalid */
+ goto invalid_opc;
+ case 0xA:
+ /* Invalid */
+ goto invalid_opc;
+ case 0xB:
+ /* Invalid */
+ goto invalid_opc;
+ case 0xC:
+ /* Longword virtual access with alternate access mode */
+ tcg_gen_helper_0_0(helper_set_alt_mode);
+ tcg_gen_helper_1_1(helper_st_virt_to_phys, addr, addr);
+ tcg_gen_helper_0_2(helper_stl_raw, val, addr);
+ tcg_gen_helper_0_0(helper_restore_mode);
+ break;
+ case 0xD:
+ /* Quadword virtual access with alternate access mode */
+ tcg_gen_helper_0_0(helper_set_alt_mode);
+ tcg_gen_helper_1_1(helper_st_virt_to_phys, addr, addr);
+ tcg_gen_helper_0_2(helper_stl_raw, val, addr);
+ tcg_gen_helper_0_0(helper_restore_mode);
+ break;
+ case 0xE:
+ /* Invalid */
+ goto invalid_opc;
+ case 0xF:
+ /* Invalid */
+ goto invalid_opc;
+ }
+ if (ra != 31)
+ tcg_temp_free(val);
+ tcg_temp_free(addr);
}
ret = 2;
break;
generated by cgit v1.1 at 2024-09-15 14:27:04 +0000