diff options
Diffstat (limited to 'target-arm/translate.c')
| -rw-r--r-- | target-arm/translate.c | 418 |
1 files changed, 248 insertions, 170 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c index c29c47f006..025c7a53eb 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -911,6 +911,12 @@ static inline void store_reg_from_load(DisasContext *s, int reg, TCGv_i32 var) } } +#ifdef CONFIG_USER_ONLY +#define IS_USER_ONLY 1 +#else +#define IS_USER_ONLY 0 +#endif + /* Abstractions of "generate code to do a guest load/store for * AArch32", where a vaddr is always 32 bits (and is zero * extended if we're a 64 bit core) and data is also @@ -920,77 +926,143 @@ static inline void store_reg_from_load(DisasContext *s, int reg, TCGv_i32 var) */ #if TARGET_LONG_BITS == 32 -#define DO_GEN_LD(SUFF, OPC) \ -static inline void gen_aa32_ld##SUFF(TCGv_i32 val, TCGv_i32 addr, int index) \ +#define DO_GEN_LD(SUFF, OPC, BE32_XOR) \ +static inline void gen_aa32_ld##SUFF(DisasContext *s, TCGv_i32 val, \ + TCGv_i32 addr, int index) \ { \ - tcg_gen_qemu_ld_i32(val, addr, index, (OPC)); \ -} - -#define DO_GEN_ST(SUFF, OPC) \ -static inline void gen_aa32_st##SUFF(TCGv_i32 val, TCGv_i32 addr, int index) \ + TCGMemOp opc = (OPC) | s->be_data; \ + /* Not needed for user-mode BE32, where we use MO_BE instead. */ \ + if (!IS_USER_ONLY && s->sctlr_b && BE32_XOR) { \ + TCGv addr_be = tcg_temp_new(); \ + tcg_gen_xori_i32(addr_be, addr, BE32_XOR); \ + tcg_gen_qemu_ld_i32(val, addr_be, index, opc); \ + tcg_temp_free(addr_be); \ + return; \ + } \ + tcg_gen_qemu_ld_i32(val, addr, index, opc); \ +} + +#define DO_GEN_ST(SUFF, OPC, BE32_XOR) \ +static inline void gen_aa32_st##SUFF(DisasContext *s, TCGv_i32 val, \ + TCGv_i32 addr, int index) \ { \ - tcg_gen_qemu_st_i32(val, addr, index, (OPC)); \ -} - -static inline void gen_aa32_ld64(TCGv_i64 val, TCGv_i32 addr, int index) -{ - tcg_gen_qemu_ld_i64(val, addr, index, MO_TEQ); + TCGMemOp opc = (OPC) | s->be_data; \ + /* Not needed for user-mode BE32, where we use MO_BE instead. */ \ + if (!IS_USER_ONLY && s->sctlr_b && BE32_XOR) { \ + TCGv addr_be = tcg_temp_new(); \ + tcg_gen_xori_i32(addr_be, addr, BE32_XOR); \ + tcg_gen_qemu_st_i32(val, addr_be, index, opc); \ + tcg_temp_free(addr_be); \ + return; \ + } \ + tcg_gen_qemu_st_i32(val, addr, index, opc); \ +} + +static inline void gen_aa32_ld64(DisasContext *s, TCGv_i64 val, + TCGv_i32 addr, int index) +{ + TCGMemOp opc = MO_Q | s->be_data; + tcg_gen_qemu_ld_i64(val, addr, index, opc); + /* Not needed for user-mode BE32, where we use MO_BE instead. */ + if (!IS_USER_ONLY && s->sctlr_b) { + tcg_gen_rotri_i64(val, val, 32); + } } -static inline void gen_aa32_st64(TCGv_i64 val, TCGv_i32 addr, int index) +static inline void gen_aa32_st64(DisasContext *s, TCGv_i64 val, + TCGv_i32 addr, int index) { - tcg_gen_qemu_st_i64(val, addr, index, MO_TEQ); + TCGMemOp opc = MO_Q | s->be_data; + /* Not needed for user-mode BE32, where we use MO_BE instead. */ + if (!IS_USER_ONLY && s->sctlr_b) { + TCGv_i64 tmp = tcg_temp_new_i64(); + tcg_gen_rotri_i64(tmp, val, 32); + tcg_gen_qemu_st_i64(tmp, addr, index, opc); + tcg_temp_free_i64(tmp); + return; + } + tcg_gen_qemu_st_i64(val, addr, index, opc); } #else -#define DO_GEN_LD(SUFF, OPC) \ -static inline void gen_aa32_ld##SUFF(TCGv_i32 val, TCGv_i32 addr, int index) \ +#define DO_GEN_LD(SUFF, OPC, BE32_XOR) \ +static inline void gen_aa32_ld##SUFF(DisasContext *s, TCGv_i32 val, \ + TCGv_i32 addr, int index) \ { \ + TCGMemOp opc = (OPC) | s->be_data; \ TCGv addr64 = tcg_temp_new(); \ tcg_gen_extu_i32_i64(addr64, addr); \ - tcg_gen_qemu_ld_i32(val, addr64, index, OPC); \ + /* Not needed for user-mode BE32, where we use MO_BE instead. */ \ + if (!IS_USER_ONLY && s->sctlr_b && BE32_XOR) { \ + tcg_gen_xori_i64(addr64, addr64, BE32_XOR); \ + } \ + tcg_gen_qemu_ld_i32(val, addr64, index, opc); \ tcg_temp_free(addr64); \ } -#define DO_GEN_ST(SUFF, OPC) \ -static inline void gen_aa32_st##SUFF(TCGv_i32 val, TCGv_i32 addr, int index) \ +#define DO_GEN_ST(SUFF, OPC, BE32_XOR) \ +static inline void gen_aa32_st##SUFF(DisasContext *s, TCGv_i32 val, \ + TCGv_i32 addr, int index) \ { \ + TCGMemOp opc = (OPC) | s->be_data; \ TCGv addr64 = tcg_temp_new(); \ tcg_gen_extu_i32_i64(addr64, addr); \ - tcg_gen_qemu_st_i32(val, addr64, index, OPC); \ + /* Not needed for user-mode BE32, where we use MO_BE instead. */ \ + if (!IS_USER_ONLY && s->sctlr_b && BE32_XOR) { \ + tcg_gen_xori_i64(addr64, addr64, BE32_XOR); \ + } \ + tcg_gen_qemu_st_i32(val, addr64, index, opc); \ tcg_temp_free(addr64); \ } -static inline void gen_aa32_ld64(TCGv_i64 val, TCGv_i32 addr, int index) +static inline void gen_aa32_ld64(DisasContext *s, TCGv_i64 val, + TCGv_i32 addr, int index) { + TCGMemOp opc = MO_Q | s->be_data; TCGv addr64 = tcg_temp_new(); tcg_gen_extu_i32_i64(addr64, addr); - tcg_gen_qemu_ld_i64(val, addr64, index, MO_TEQ); + tcg_gen_qemu_ld_i64(val, addr64, index, opc); + + /* Not needed for user-mode BE32, where we use MO_BE instead. */ + if (!IS_USER_ONLY && s->sctlr_b) { + tcg_gen_rotri_i64(val, val, 32); + } tcg_temp_free(addr64); } -static inline void gen_aa32_st64(TCGv_i64 val, TCGv_i32 addr, int index) +static inline void gen_aa32_st64(DisasContext *s, TCGv_i64 val, + TCGv_i32 addr, int index) { + TCGMemOp opc = MO_Q | s->be_data; TCGv addr64 = tcg_temp_new(); tcg_gen_extu_i32_i64(addr64, addr); - tcg_gen_qemu_st_i64(val, addr64, index, MO_TEQ); + + /* Not needed for user-mode BE32, where we use MO_BE instead. */ + if (!IS_USER_ONLY && s->sctlr_b) { + TCGv tmp = tcg_temp_new(); + tcg_gen_rotri_i64(tmp, val, 32); + tcg_gen_qemu_st_i64(tmp, addr64, index, opc); + tcg_temp_free(tmp); + } else { + tcg_gen_qemu_st_i64(val, addr64, index, opc); + } tcg_temp_free(addr64); } #endif -DO_GEN_LD(8s, MO_SB) -DO_GEN_LD(8u, MO_UB) -DO_GEN_LD(16s, MO_TESW) -DO_GEN_LD(16u, MO_TEUW) -DO_GEN_LD(32u, MO_TEUL) +DO_GEN_LD(8s, MO_SB, 3) +DO_GEN_LD(8u, MO_UB, 3) +DO_GEN_LD(16s, MO_SW, 2) +DO_GEN_LD(16u, MO_UW, 2) +DO_GEN_LD(32u, MO_UL, 0) /* 'a' variants include an alignment check */ -DO_GEN_LD(16ua, MO_TEUW | MO_ALIGN) -DO_GEN_LD(32ua, MO_TEUL | MO_ALIGN) -DO_GEN_ST(8, MO_UB) -DO_GEN_ST(16, MO_TEUW) -DO_GEN_ST(32, MO_TEUL) +DO_GEN_LD(16ua, MO_UW | MO_ALIGN, 2) +DO_GEN_LD(32ua, MO_UL | MO_ALIGN, 0) +DO_GEN_ST(8, MO_UB, 3) +DO_GEN_ST(16, MO_UW, 2) +DO_GEN_ST(32, MO_UL, 0) static inline void gen_set_pc_im(DisasContext *s, target_ulong val) { @@ -1285,18 +1357,18 @@ VFP_GEN_FIX(ulto, ) static inline void gen_vfp_ld(DisasContext *s, int dp, TCGv_i32 addr) { if (dp) { - gen_aa32_ld64(cpu_F0d, addr, get_mem_index(s)); + gen_aa32_ld64(s, cpu_F0d, addr, get_mem_index(s)); } else { - gen_aa32_ld32u(cpu_F0s, addr, get_mem_index(s)); + gen_aa32_ld32u(s, cpu_F0s, addr, get_mem_index(s)); } } static inline void gen_vfp_st(DisasContext *s, int dp, TCGv_i32 addr) { if (dp) { - gen_aa32_st64(cpu_F0d, addr, get_mem_index(s)); + gen_aa32_st64(s, cpu_F0d, addr, get_mem_index(s)); } else { - gen_aa32_st32(cpu_F0s, addr, get_mem_index(s)); + gen_aa32_st32(s, cpu_F0s, addr, get_mem_index(s)); } } @@ -1632,24 +1704,24 @@ static int disas_iwmmxt_insn(DisasContext *s, uint32_t insn) if (insn & ARM_CP_RW_BIT) { if ((insn >> 28) == 0xf) { /* WLDRW wCx */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); iwmmxt_store_creg(wrd, tmp); } else { i = 1; if (insn & (1 << 8)) { if (insn & (1 << 22)) { /* WLDRD */ - gen_aa32_ld64(cpu_M0, addr, get_mem_index(s)); + gen_aa32_ld64(s, cpu_M0, addr, get_mem_index(s)); i = 0; } else { /* WLDRW wRd */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); } } else { tmp = tcg_temp_new_i32(); if (insn & (1 << 22)) { /* WLDRH */ - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); } else { /* WLDRB */ - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); } } if (i) { @@ -1661,24 +1733,24 @@ static int disas_iwmmxt_insn(DisasContext *s, uint32_t insn) } else { if ((insn >> 28) == 0xf) { /* WSTRW wCx */ tmp = iwmmxt_load_creg(wrd); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); } else { gen_op_iwmmxt_movq_M0_wRn(wrd); tmp = tcg_temp_new_i32(); if (insn & (1 << 8)) { if (insn & (1 << 22)) { /* WSTRD */ - gen_aa32_st64(cpu_M0, addr, get_mem_index(s)); + gen_aa32_st64(s, cpu_M0, addr, get_mem_index(s)); } else { /* WSTRW wRd */ tcg_gen_extrl_i64_i32(tmp, cpu_M0); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); } } else { if (insn & (1 << 22)) { /* WSTRH */ tcg_gen_extrl_i64_i32(tmp, cpu_M0); - gen_aa32_st16(tmp, addr, get_mem_index(s)); + gen_aa32_st16(s, tmp, addr, get_mem_index(s)); } else { /* WSTRB */ tcg_gen_extrl_i64_i32(tmp, cpu_M0); - gen_aa32_st8(tmp, addr, get_mem_index(s)); + gen_aa32_st8(s, tmp, addr, get_mem_index(s)); } } } @@ -2743,15 +2815,15 @@ static TCGv_i32 gen_load_and_replicate(DisasContext *s, TCGv_i32 addr, int size) TCGv_i32 tmp = tcg_temp_new_i32(); switch (size) { case 0: - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); gen_neon_dup_u8(tmp, 0); break; case 1: - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); gen_neon_dup_low16(tmp); break; case 2: - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); break; default: /* Avoid compiler warnings. */ abort(); @@ -4449,11 +4521,11 @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) if (size == 3) { tmp64 = tcg_temp_new_i64(); if (load) { - gen_aa32_ld64(tmp64, addr, get_mem_index(s)); + gen_aa32_ld64(s, tmp64, addr, get_mem_index(s)); neon_store_reg64(tmp64, rd); } else { neon_load_reg64(tmp64, rd); - gen_aa32_st64(tmp64, addr, get_mem_index(s)); + gen_aa32_st64(s, tmp64, addr, get_mem_index(s)); } tcg_temp_free_i64(tmp64); tcg_gen_addi_i32(addr, addr, stride); @@ -4462,21 +4534,21 @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) if (size == 2) { if (load) { tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); neon_store_reg(rd, pass, tmp); } else { tmp = neon_load_reg(rd, pass); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } tcg_gen_addi_i32(addr, addr, stride); } else if (size == 1) { if (load) { tmp = tcg_temp_new_i32(); - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); tcg_gen_addi_i32(addr, addr, stride); tmp2 = tcg_temp_new_i32(); - gen_aa32_ld16u(tmp2, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp2, addr, get_mem_index(s)); tcg_gen_addi_i32(addr, addr, stride); tcg_gen_shli_i32(tmp2, tmp2, 16); tcg_gen_or_i32(tmp, tmp, tmp2); @@ -4486,10 +4558,10 @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) tmp = neon_load_reg(rd, pass); tmp2 = tcg_temp_new_i32(); tcg_gen_shri_i32(tmp2, tmp, 16); - gen_aa32_st16(tmp, addr, get_mem_index(s)); + gen_aa32_st16(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); tcg_gen_addi_i32(addr, addr, stride); - gen_aa32_st16(tmp2, addr, get_mem_index(s)); + gen_aa32_st16(s, tmp2, addr, get_mem_index(s)); tcg_temp_free_i32(tmp2); tcg_gen_addi_i32(addr, addr, stride); } @@ -4498,7 +4570,7 @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) TCGV_UNUSED_I32(tmp2); for (n = 0; n < 4; n++) { tmp = tcg_temp_new_i32(); - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); tcg_gen_addi_i32(addr, addr, stride); if (n == 0) { tmp2 = tmp; @@ -4518,7 +4590,7 @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) } else { tcg_gen_shri_i32(tmp, tmp2, n * 8); } - gen_aa32_st8(tmp, addr, get_mem_index(s)); + gen_aa32_st8(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); tcg_gen_addi_i32(addr, addr, stride); } @@ -4642,13 +4714,13 @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) tmp = tcg_temp_new_i32(); switch (size) { case 0: - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); break; case 1: - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); break; case 2: - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); break; default: /* Avoid compiler warnings. */ abort(); @@ -4666,13 +4738,13 @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn) tcg_gen_shri_i32(tmp, tmp, shift); switch (size) { case 0: - gen_aa32_st8(tmp, addr, get_mem_index(s)); + gen_aa32_st8(s, tmp, addr, get_mem_index(s)); break; case 1: - gen_aa32_st16(tmp, addr, get_mem_index(s)); + gen_aa32_st16(s, tmp, addr, get_mem_index(s)); break; case 2: - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); break; } tcg_temp_free_i32(tmp); @@ -7435,14 +7507,14 @@ static void gen_load_exclusive(DisasContext *s, int rt, int rt2, switch (size) { case 0: - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); break; case 1: - gen_aa32_ld16ua(tmp, addr, get_mem_index(s)); + gen_aa32_ld16ua(s, tmp, addr, get_mem_index(s)); break; case 2: case 3: - gen_aa32_ld32ua(tmp, addr, get_mem_index(s)); + gen_aa32_ld32ua(s, tmp, addr, get_mem_index(s)); break; default: abort(); @@ -7453,7 +7525,7 @@ static void gen_load_exclusive(DisasContext *s, int rt, int rt2, TCGv_i32 tmp3 = tcg_temp_new_i32(); tcg_gen_addi_i32(tmp2, addr, 4); - gen_aa32_ld32u(tmp3, tmp2, get_mem_index(s)); + gen_aa32_ld32u(s, tmp3, tmp2, get_mem_index(s)); tcg_temp_free_i32(tmp2); tcg_gen_concat_i32_i64(cpu_exclusive_val, tmp, tmp3); store_reg(s, rt2, tmp3); @@ -7504,14 +7576,14 @@ static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, tmp = tcg_temp_new_i32(); switch (size) { case 0: - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); break; case 1: - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); break; case 2: case 3: - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); break; default: abort(); @@ -7522,7 +7594,7 @@ static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, TCGv_i32 tmp2 = tcg_temp_new_i32(); TCGv_i32 tmp3 = tcg_temp_new_i32(); tcg_gen_addi_i32(tmp2, addr, 4); - gen_aa32_ld32u(tmp3, tmp2, get_mem_index(s)); + gen_aa32_ld32u(s, tmp3, tmp2, get_mem_index(s)); tcg_temp_free_i32(tmp2); tcg_gen_concat_i32_i64(val64, tmp, tmp3); tcg_temp_free_i32(tmp3); @@ -7537,14 +7609,14 @@ static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, tmp = load_reg(s, rt); switch (size) { case 0: - gen_aa32_st8(tmp, addr, get_mem_index(s)); + gen_aa32_st8(s, tmp, addr, get_mem_index(s)); break; case 1: - gen_aa32_st16(tmp, addr, get_mem_index(s)); + gen_aa32_st16(s, tmp, addr, get_mem_index(s)); break; case 2: case 3: - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); break; default: abort(); @@ -7553,7 +7625,7 @@ static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, if (size == 3) { tcg_gen_addi_i32(addr, addr, 4); tmp = load_reg(s, rt2); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } tcg_gen_movi_i32(cpu_R[rd], 0); @@ -7583,6 +7655,7 @@ static void gen_srs(DisasContext *s, /* SRS is: * - trapped to EL3 if EL3 is AArch64 and we are at Secure EL1 + * and specified mode is monitor mode * - UNDEFINED in Hyp mode * - UNPREDICTABLE in User or System mode * - UNPREDICTABLE if the specified mode is: @@ -7592,7 +7665,7 @@ static void gen_srs(DisasContext *s, * -- Monitor, if we are Non-secure * For the UNPREDICTABLE cases we choose to UNDEF. */ - if (s->current_el == 1 && !s->ns) { + if (s->current_el == 1 && !s->ns && mode == ARM_CPU_MODE_MON) { gen_exception_insn(s, 4, EXCP_UDEF, syn_uncategorized(), 3); return; } @@ -7659,11 +7732,11 @@ static void gen_srs(DisasContext *s, } tcg_gen_addi_i32(addr, addr, offset); tmp = load_reg(s, 14); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); tmp = load_cpu_field(spsr); tcg_gen_addi_i32(addr, addr, 4); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); if (writeback) { switch (amode) { @@ -7770,10 +7843,9 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) if ((insn & 0x0ffffdff) == 0x01010000) { ARCH(6); /* setend */ - if (((insn >> 9) & 1) != s->bswap_code) { - /* Dynamic endianness switching not implemented. */ - qemu_log_mask(LOG_UNIMP, "arm: unimplemented setend\n"); - goto illegal_op; + if (((insn >> 9) & 1) != !!(s->be_data == MO_BE)) { + gen_helper_setend(cpu_env); + s->is_jmp = DISAS_UPDATE; } return; } else if ((insn & 0x0fffff00) == 0x057ff000) { @@ -7822,10 +7894,10 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) tcg_gen_addi_i32(addr, addr, offset); /* Load PC into tmp and CPSR into tmp2. */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); tcg_gen_addi_i32(addr, addr, 4); tmp2 = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp2, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp2, addr, get_mem_index(s)); if (insn & (1 << 21)) { /* Base writeback. */ switch (i) { @@ -8441,13 +8513,16 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) tmp = tcg_temp_new_i32(); switch (op1) { case 0: /* lda */ - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, + get_mem_index(s)); break; case 2: /* ldab */ - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, + get_mem_index(s)); break; case 3: /* ldah */ - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, + get_mem_index(s)); break; default: abort(); @@ -8458,13 +8533,16 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) tmp = load_reg(s, rm); switch (op1) { case 0: /* stl */ - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, + get_mem_index(s)); break; case 2: /* stlb */ - gen_aa32_st8(tmp, addr, get_mem_index(s)); + gen_aa32_st8(s, tmp, addr, + get_mem_index(s)); break; case 3: /* stlh */ - gen_aa32_st16(tmp, addr, get_mem_index(s)); + gen_aa32_st16(s, tmp, addr, + get_mem_index(s)); break; default: abort(); @@ -8519,11 +8597,11 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) tmp = load_reg(s, rm); tmp2 = tcg_temp_new_i32(); if (insn & (1 << 22)) { - gen_aa32_ld8u(tmp2, addr, get_mem_index(s)); - gen_aa32_st8(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp2, addr, get_mem_index(s)); + gen_aa32_st8(s, tmp, addr, get_mem_index(s)); } else { - gen_aa32_ld32u(tmp2, addr, get_mem_index(s)); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp2, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); } tcg_temp_free_i32(tmp); tcg_temp_free_i32(addr); @@ -8558,20 +8636,20 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) if (!load) { /* store */ tmp = load_reg(s, rd); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); tcg_gen_addi_i32(addr, addr, 4); tmp = load_reg(s, rd + 1); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } else { /* load */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); store_reg(s, rd, tmp); tcg_gen_addi_i32(addr, addr, 4); tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); rd++; } address_offset = -4; @@ -8580,20 +8658,20 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) tmp = tcg_temp_new_i32(); switch (sh) { case 1: - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); break; case 2: - gen_aa32_ld8s(tmp, addr, get_mem_index(s)); + gen_aa32_ld8s(s, tmp, addr, get_mem_index(s)); break; default: case 3: - gen_aa32_ld16s(tmp, addr, get_mem_index(s)); + gen_aa32_ld16s(s, tmp, addr, get_mem_index(s)); break; } } else { /* store */ tmp = load_reg(s, rd); - gen_aa32_st16(tmp, addr, get_mem_index(s)); + gen_aa32_st16(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } /* Perform base writeback before the loaded value to @@ -8946,17 +9024,17 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) /* load */ tmp = tcg_temp_new_i32(); if (insn & (1 << 22)) { - gen_aa32_ld8u(tmp, tmp2, i); + gen_aa32_ld8u(s, tmp, tmp2, i); } else { - gen_aa32_ld32u(tmp, tmp2, i); + gen_aa32_ld32u(s, tmp, tmp2, i); } } else { /* store */ tmp = load_reg(s, rd); if (insn & (1 << 22)) { - gen_aa32_st8(tmp, tmp2, i); + gen_aa32_st8(s, tmp, tmp2, i); } else { - gen_aa32_st32(tmp, tmp2, i); + gen_aa32_st32(s, tmp, tmp2, i); } tcg_temp_free_i32(tmp); } @@ -9029,7 +9107,7 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) if (is_load) { /* load */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); if (user) { tmp2 = tcg_const_i32(i); gen_helper_set_user_reg(cpu_env, tmp2, tmp); @@ -9056,7 +9134,7 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) } else { tmp = load_reg(s, i); } - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } j++; @@ -9286,7 +9364,7 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw /* Fall through to 32-bit decode. */ } - insn = arm_lduw_code(env, s->pc, s->bswap_code); + insn = arm_lduw_code(env, s->pc, s->sctlr_b); s->pc += 2; insn |= (uint32_t)insn_hw1 << 16; @@ -9323,20 +9401,20 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw if (insn & (1 << 20)) { /* ldrd */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); store_reg(s, rs, tmp); tcg_gen_addi_i32(addr, addr, 4); tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); store_reg(s, rd, tmp); } else { /* strd */ tmp = load_reg(s, rs); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); tcg_gen_addi_i32(addr, addr, 4); tmp = load_reg(s, rd); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } if (insn & (1 << 21)) { @@ -9374,11 +9452,11 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw tcg_gen_add_i32(addr, addr, tmp); tcg_temp_free_i32(tmp); tmp = tcg_temp_new_i32(); - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); } else { /* tbb */ tcg_temp_free_i32(tmp); tmp = tcg_temp_new_i32(); - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); } tcg_temp_free_i32(addr); tcg_gen_shli_i32(tmp, tmp, 1); @@ -9415,13 +9493,13 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw tmp = tcg_temp_new_i32(); switch (op) { case 0: /* ldab */ - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); break; case 1: /* ldah */ - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); break; case 2: /* lda */ - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); break; default: abort(); @@ -9431,13 +9509,13 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw tmp = load_reg(s, rs); switch (op) { case 0: /* stlb */ - gen_aa32_st8(tmp, addr, get_mem_index(s)); + gen_aa32_st8(s, tmp, addr, get_mem_index(s)); break; case 1: /* stlh */ - gen_aa32_st16(tmp, addr, get_mem_index(s)); + gen_aa32_st16(s, tmp, addr, get_mem_index(s)); break; case 2: /* stl */ - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); break; default: abort(); @@ -9465,10 +9543,10 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw tcg_gen_addi_i32(addr, addr, -8); /* Load PC into tmp and CPSR into tmp2. */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); tcg_gen_addi_i32(addr, addr, 4); tmp2 = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp2, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp2, addr, get_mem_index(s)); if (insn & (1 << 21)) { /* Base writeback. */ if (insn & (1 << 24)) { @@ -9507,7 +9585,7 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw if (insn & (1 << 20)) { /* Load. */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); if (i == 15) { gen_bx(s, tmp); } else if (i == rn) { @@ -9519,7 +9597,7 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw } else { /* Store. */ tmp = load_reg(s, i); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } tcg_gen_addi_i32(addr, addr, 4); @@ -10449,19 +10527,19 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw tmp = tcg_temp_new_i32(); switch (op) { case 0: - gen_aa32_ld8u(tmp, addr, memidx); + gen_aa32_ld8u(s, tmp, addr, memidx); break; case 4: - gen_aa32_ld8s(tmp, addr, memidx); + gen_aa32_ld8s(s, tmp, addr, memidx); break; case 1: - gen_aa32_ld16u(tmp, addr, memidx); + gen_aa32_ld16u(s, tmp, addr, memidx); break; case 5: - gen_aa32_ld16s(tmp, addr, memidx); + gen_aa32_ld16s(s, tmp, addr, memidx); break; case 2: - gen_aa32_ld32u(tmp, addr, memidx); + gen_aa32_ld32u(s, tmp, addr, memidx); break; default: tcg_temp_free_i32(tmp); @@ -10478,13 +10556,13 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw tmp = load_reg(s, rs); switch (op) { case 0: - gen_aa32_st8(tmp, addr, memidx); + gen_aa32_st8(s, tmp, addr, memidx); break; case 1: - gen_aa32_st16(tmp, addr, memidx); + gen_aa32_st16(s, tmp, addr, memidx); break; case 2: - gen_aa32_st32(tmp, addr, memidx); + gen_aa32_st32(s, tmp, addr, memidx); break; default: tcg_temp_free_i32(tmp); @@ -10528,7 +10606,7 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) } } - insn = arm_lduw_code(env, s->pc, s->bswap_code); + insn = arm_lduw_code(env, s->pc, s->sctlr_b); s->pc += 2; switch (insn >> 12) { @@ -10621,7 +10699,7 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) addr = tcg_temp_new_i32(); tcg_gen_movi_i32(addr, val); tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(addr); store_reg(s, rd, tmp); break; @@ -10824,28 +10902,28 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) switch (op) { case 0: /* str */ - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); break; case 1: /* strh */ - gen_aa32_st16(tmp, addr, get_mem_index(s)); + gen_aa32_st16(s, tmp, addr, get_mem_index(s)); break; case 2: /* strb */ - gen_aa32_st8(tmp, addr, get_mem_index(s)); + gen_aa32_st8(s, tmp, addr, get_mem_index(s)); break; case 3: /* ldrsb */ - gen_aa32_ld8s(tmp, addr, get_mem_index(s)); + gen_aa32_ld8s(s, tmp, addr, get_mem_index(s)); break; case 4: /* ldr */ - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); break; case 5: /* ldrh */ - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); break; case 6: /* ldrb */ - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); break; case 7: /* ldrsh */ - gen_aa32_ld16s(tmp, addr, get_mem_index(s)); + gen_aa32_ld16s(s, tmp, addr, get_mem_index(s)); break; } if (op >= 3) { /* load */ @@ -10867,12 +10945,12 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) if (insn & (1 << 11)) { /* load */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); store_reg(s, rd, tmp); } else { /* store */ tmp = load_reg(s, rd); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } tcg_temp_free_i32(addr); @@ -10889,12 +10967,12 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) if (insn & (1 << 11)) { /* load */ tmp = tcg_temp_new_i32(); - gen_aa32_ld8u(tmp, addr, get_mem_index(s)); + gen_aa32_ld8u(s, tmp, addr, get_mem_index(s)); store_reg(s, rd, tmp); } else { /* store */ tmp = load_reg(s, rd); - gen_aa32_st8(tmp, addr, get_mem_index(s)); + gen_aa32_st8(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } tcg_temp_free_i32(addr); @@ -10911,12 +10989,12 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) if (insn & (1 << 11)) { /* load */ tmp = tcg_temp_new_i32(); - gen_aa32_ld16u(tmp, addr, get_mem_index(s)); + gen_aa32_ld16u(s, tmp, addr, get_mem_index(s)); store_reg(s, rd, tmp); } else { /* store */ tmp = load_reg(s, rd); - gen_aa32_st16(tmp, addr, get_mem_index(s)); + gen_aa32_st16(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } tcg_temp_free_i32(addr); @@ -10932,12 +11010,12 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) if (insn & (1 << 11)) { /* load */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); store_reg(s, rd, tmp); } else { /* store */ tmp = load_reg(s, rd); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } tcg_temp_free_i32(addr); @@ -11005,12 +11083,12 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) if (insn & (1 << 11)) { /* pop */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); store_reg(s, i, tmp); } else { /* push */ tmp = load_reg(s, i); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } /* advance to the next address. */ @@ -11022,13 +11100,13 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) if (insn & (1 << 11)) { /* pop pc */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); /* don't set the pc until the rest of the instruction has completed */ } else { /* push lr */ tmp = load_reg(s, 14); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } tcg_gen_addi_i32(addr, addr, 4); @@ -11099,10 +11177,9 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) case 2: /* setend */ ARCH(6); - if (((insn >> 3) & 1) != s->bswap_code) { - /* Dynamic endianness switching not implemented. */ - qemu_log_mask(LOG_UNIMP, "arm: unimplemented setend\n"); - goto illegal_op; + if (((insn >> 3) & 1) != !!(s->be_data == MO_BE)) { + gen_helper_setend(cpu_env); + s->is_jmp = DISAS_UPDATE; } break; case 3: @@ -11158,7 +11235,7 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) if (insn & (1 << 11)) { /* load */ tmp = tcg_temp_new_i32(); - gen_aa32_ld32u(tmp, addr, get_mem_index(s)); + gen_aa32_ld32u(s, tmp, addr, get_mem_index(s)); if (i == rn) { loaded_var = tmp; } else { @@ -11167,7 +11244,7 @@ static void disas_thumb_insn(CPUARMState *env, DisasContext *s) } else { /* store */ tmp = load_reg(s, i); - gen_aa32_st32(tmp, addr, get_mem_index(s)); + gen_aa32_st32(s, tmp, addr, get_mem_index(s)); tcg_temp_free_i32(tmp); } /* advance to the next address */ @@ -11253,7 +11330,7 @@ static bool insn_crosses_page(CPUARMState *env, DisasContext *s) } /* This must be a Thumb insn */ - insn = arm_lduw_code(env, s->pc, s->bswap_code); + insn = arm_lduw_code(env, s->pc, s->sctlr_b); if ((insn >> 11) >= 0x1d) { /* Top five bits 0b11101 / 0b11110 / 0b11111 : this is the @@ -11307,7 +11384,8 @@ void gen_intermediate_code(CPUARMState *env, TranslationBlock *tb) dc->secure_routed_to_el3 = arm_feature(env, ARM_FEATURE_EL3) && !arm_el_is_aa64(env, 3); dc->thumb = ARM_TBFLAG_THUMB(tb->flags); - dc->bswap_code = ARM_TBFLAG_BSWAP_CODE(tb->flags); + dc->sctlr_b = ARM_TBFLAG_SCTLR_B(tb->flags); + dc->be_data = ARM_TBFLAG_BE_DATA(tb->flags) ? MO_BE : MO_LE; dc->condexec_mask = (ARM_TBFLAG_CONDEXEC(tb->flags) & 0xf) << 1; dc->condexec_cond = ARM_TBFLAG_CONDEXEC(tb->flags) >> 4; dc->mmu_idx = ARM_TBFLAG_MMUIDX(tb->flags); @@ -11487,7 +11565,7 @@ void gen_intermediate_code(CPUARMState *env, TranslationBlock *tb) } } } else { - unsigned int insn = arm_ldl_code(env, dc->pc, dc->bswap_code); + unsigned int insn = arm_ldl_code(env, dc->pc, dc->sctlr_b); dc->pc += 4; disas_arm_insn(dc, insn); } @@ -11644,7 +11722,7 @@ done_generating: qemu_log("----------------\n"); qemu_log("IN: %s\n", lookup_symbol(pc_start)); log_target_disas(cs, pc_start, dc->pc - pc_start, - dc->thumb | (dc->bswap_code << 1)); + dc->thumb | (dc->sctlr_b << 1)); qemu_log("\n"); } #endif |