diff options
Diffstat (limited to 'target/alpha/translate.c')
| -rw-r--r-- | target/alpha/translate.c | 55 |
1 files changed, 34 insertions, 21 deletions
diff --git a/target/alpha/translate.c b/target/alpha/translate.c index a4c3f43e72..ca78a0faed 100644 --- a/target/alpha/translate.c +++ b/target/alpha/translate.c @@ -45,7 +45,9 @@ typedef struct DisasContext DisasContext; struct DisasContext { DisasContextBase base; -#ifndef CONFIG_USER_ONLY +#ifdef CONFIG_USER_ONLY + MemOp unalign; +#else uint64_t palbr; #endif uint32_t tbflags; @@ -68,6 +70,12 @@ struct DisasContext { TCGv sink; }; +#ifdef CONFIG_USER_ONLY +#define UNALIGN(C) (C)->unalign +#else +#define UNALIGN(C) 0 +#endif + /* Target-specific return values from translate_one, indicating the state of the TB. Note that DISAS_NEXT indicates that we are not exiting the TB. */ @@ -270,7 +278,7 @@ static inline DisasJumpType gen_invalid(DisasContext *ctx) static void gen_ldf(DisasContext *ctx, TCGv dest, TCGv addr) { TCGv_i32 tmp32 = tcg_temp_new_i32(); - tcg_gen_qemu_ld_i32(tmp32, addr, ctx->mem_idx, MO_LEUL); + tcg_gen_qemu_ld_i32(tmp32, addr, ctx->mem_idx, MO_LEUL | UNALIGN(ctx)); gen_helper_memory_to_f(dest, tmp32); tcg_temp_free_i32(tmp32); } @@ -278,7 +286,7 @@ static void gen_ldf(DisasContext *ctx, TCGv dest, TCGv addr) static void gen_ldg(DisasContext *ctx, TCGv dest, TCGv addr) { TCGv tmp = tcg_temp_new(); - tcg_gen_qemu_ld_i64(tmp, addr, ctx->mem_idx, MO_LEQ); + tcg_gen_qemu_ld_i64(tmp, addr, ctx->mem_idx, MO_LEUQ | UNALIGN(ctx)); gen_helper_memory_to_g(dest, tmp); tcg_temp_free(tmp); } @@ -286,14 +294,14 @@ static void gen_ldg(DisasContext *ctx, TCGv dest, TCGv addr) static void gen_lds(DisasContext *ctx, TCGv dest, TCGv addr) { TCGv_i32 tmp32 = tcg_temp_new_i32(); - tcg_gen_qemu_ld_i32(tmp32, addr, ctx->mem_idx, MO_LEUL); + tcg_gen_qemu_ld_i32(tmp32, addr, ctx->mem_idx, MO_LEUL | UNALIGN(ctx)); gen_helper_memory_to_s(dest, tmp32); tcg_temp_free_i32(tmp32); } static void gen_ldt(DisasContext *ctx, TCGv dest, TCGv addr) { - tcg_gen_qemu_ld_i64(dest, addr, ctx->mem_idx, MO_LEQ); + tcg_gen_qemu_ld_i64(dest, addr, ctx->mem_idx, MO_LEUQ | UNALIGN(ctx)); } static void gen_load_fp(DisasContext *ctx, int ra, int rb, int32_t disp16, @@ -324,6 +332,8 @@ static void gen_load_int(DisasContext *ctx, int ra, int rb, int32_t disp16, tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16); if (clear) { tcg_gen_andi_i64(addr, addr, ~0x7); + } else if (!locked) { + op |= UNALIGN(ctx); } dest = ctx->ir[ra]; @@ -340,7 +350,7 @@ static void gen_stf(DisasContext *ctx, TCGv src, TCGv addr) { TCGv_i32 tmp32 = tcg_temp_new_i32(); gen_helper_f_to_memory(tmp32, addr); - tcg_gen_qemu_st_i32(tmp32, addr, ctx->mem_idx, MO_LEUL); + tcg_gen_qemu_st_i32(tmp32, addr, ctx->mem_idx, MO_LEUL | UNALIGN(ctx)); tcg_temp_free_i32(tmp32); } @@ -348,7 +358,7 @@ static void gen_stg(DisasContext *ctx, TCGv src, TCGv addr) { TCGv tmp = tcg_temp_new(); gen_helper_g_to_memory(tmp, src); - tcg_gen_qemu_st_i64(tmp, addr, ctx->mem_idx, MO_LEQ); + tcg_gen_qemu_st_i64(tmp, addr, ctx->mem_idx, MO_LEUQ | UNALIGN(ctx)); tcg_temp_free(tmp); } @@ -356,13 +366,13 @@ static void gen_sts(DisasContext *ctx, TCGv src, TCGv addr) { TCGv_i32 tmp32 = tcg_temp_new_i32(); gen_helper_s_to_memory(tmp32, src); - tcg_gen_qemu_st_i32(tmp32, addr, ctx->mem_idx, MO_LEUL); + tcg_gen_qemu_st_i32(tmp32, addr, ctx->mem_idx, MO_LEUL | UNALIGN(ctx)); tcg_temp_free_i32(tmp32); } static void gen_stt(DisasContext *ctx, TCGv src, TCGv addr) { - tcg_gen_qemu_st_i64(src, addr, ctx->mem_idx, MO_LEQ); + tcg_gen_qemu_st_i64(src, addr, ctx->mem_idx, MO_LEUQ | UNALIGN(ctx)); } static void gen_store_fp(DisasContext *ctx, int ra, int rb, int32_t disp16, @@ -383,6 +393,8 @@ static void gen_store_int(DisasContext *ctx, int ra, int rb, int32_t disp16, tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16); if (clear) { tcg_gen_andi_i64(addr, addr, ~0x7); + } else { + op |= UNALIGN(ctx); } src = load_gpr(ctx, ra); @@ -1487,7 +1499,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) break; case 0x0B: /* LDQ_U */ - gen_load_int(ctx, ra, rb, disp16, MO_LEQ, 1, 0); + gen_load_int(ctx, ra, rb, disp16, MO_LEUQ, 1, 0); break; case 0x0C: /* LDWU */ @@ -1506,7 +1518,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) break; case 0x0F: /* STQ_U */ - gen_store_int(ctx, ra, rb, disp16, MO_LEQ, 1); + gen_store_int(ctx, ra, rb, disp16, MO_LEUQ, 1); break; case 0x10: @@ -2457,7 +2469,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) break; case 0x1: /* Quadword physical access (hw_ldq/p) */ - tcg_gen_qemu_ld_i64(va, addr, MMU_PHYS_IDX, MO_LEQ); + tcg_gen_qemu_ld_i64(va, addr, MMU_PHYS_IDX, MO_LEUQ); break; case 0x2: /* Longword physical access with lock (hw_ldl_l/p) */ @@ -2467,7 +2479,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) break; case 0x3: /* Quadword physical access with lock (hw_ldq_l/p) */ - tcg_gen_qemu_ld_i64(va, addr, MMU_PHYS_IDX, MO_LEQ); + tcg_gen_qemu_ld_i64(va, addr, MMU_PHYS_IDX, MO_LEUQ); tcg_gen_mov_i64(cpu_lock_addr, addr); tcg_gen_mov_i64(cpu_lock_value, va); break; @@ -2496,7 +2508,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) break; case 0xB: /* Quadword virtual access with protection check (hw_ldq/w) */ - tcg_gen_qemu_ld_i64(va, addr, MMU_KERNEL_IDX, MO_LEQ); + tcg_gen_qemu_ld_i64(va, addr, MMU_KERNEL_IDX, MO_LEUQ); break; case 0xC: /* Longword virtual access with alt access mode (hw_ldl/a)*/ @@ -2512,7 +2524,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) case 0xF: /* Quadword virtual access with alternate access mode and protection checks (hw_ldq/wa) */ - tcg_gen_qemu_ld_i64(va, addr, MMU_USER_IDX, MO_LEQ); + tcg_gen_qemu_ld_i64(va, addr, MMU_USER_IDX, MO_LEUQ); break; } tcg_temp_free(addr); @@ -2725,7 +2737,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) vb = load_gpr(ctx, rb); tmp = tcg_temp_new(); tcg_gen_addi_i64(tmp, vb, disp12); - tcg_gen_qemu_st_i64(va, tmp, MMU_PHYS_IDX, MO_LEQ); + tcg_gen_qemu_st_i64(va, tmp, MMU_PHYS_IDX, MO_LEUQ); tcg_temp_free(tmp); break; case 0x2: @@ -2736,7 +2748,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) case 0x3: /* Quadword physical access with lock */ ret = gen_store_conditional(ctx, ra, rb, disp12, - MMU_PHYS_IDX, MO_LEQ); + MMU_PHYS_IDX, MO_LEUQ); break; case 0x4: /* Longword virtual access */ @@ -2826,7 +2838,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) break; case 0x29: /* LDQ */ - gen_load_int(ctx, ra, rb, disp16, MO_LEQ, 0, 0); + gen_load_int(ctx, ra, rb, disp16, MO_LEUQ, 0, 0); break; case 0x2A: /* LDL_L */ @@ -2834,7 +2846,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) break; case 0x2B: /* LDQ_L */ - gen_load_int(ctx, ra, rb, disp16, MO_LEQ, 0, 1); + gen_load_int(ctx, ra, rb, disp16, MO_LEUQ, 0, 1); break; case 0x2C: /* STL */ @@ -2842,7 +2854,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) break; case 0x2D: /* STQ */ - gen_store_int(ctx, ra, rb, disp16, MO_LEQ, 0); + gen_store_int(ctx, ra, rb, disp16, MO_LEUQ, 0); break; case 0x2E: /* STL_C */ @@ -2852,7 +2864,7 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) case 0x2F: /* STQ_C */ ret = gen_store_conditional(ctx, ra, rb, disp16, - ctx->mem_idx, MO_LEQ); + ctx->mem_idx, MO_LEUQ); break; case 0x30: /* BR */ @@ -2942,6 +2954,7 @@ static void alpha_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu) #ifdef CONFIG_USER_ONLY ctx->ir = cpu_std_ir; + ctx->unalign = (ctx->tbflags & TB_FLAG_UNALIGN ? MO_UNALN : MO_ALIGN); #else ctx->palbr = env->palbr; ctx->ir = (ctx->tbflags & ENV_FLAG_PAL_MODE ? cpu_pal_ir : cpu_std_ir); |