diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2014-05-27 17:09:50 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-05-27 17:09:50 +0100 |
| commit | a99caa48d89c2d36362b45d513c4952233acb775 (patch) | |
| tree | 6c8dffdb6ba29257d383057cc4cf11108663431b /target-arm/translate.c | |
| parent | 9d4c4e872e7598ecbe25437dc4f663b248b2c8a5 (diff) | |
target-arm/translate.c: Clean up mmu index handling for ldrt/strt
Clean up the mmu index handling for ldrt/strt insns: instead
of a flag 'user' indicating whether to treat the store as user
mode or not, use 'memidx' to indicate the correct memory index to use.
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1400980132-25949-3-git-send-email-edgar.iglesias@gmail.com
Diffstat (limited to 'target-arm/translate.c')
| -rw-r--r-- | target-arm/translate.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c index a4d920b629..e708f4ab1a 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -8568,7 +8568,12 @@ static void disas_arm_insn(CPUARMState * env, DisasContext *s) rn = (insn >> 16) & 0xf; rd = (insn >> 12) & 0xf; tmp2 = load_reg(s, rn); - i = (IS_USER(s) || (insn & 0x01200000) == 0x00200000); + if ((insn & 0x01200000) == 0x00200000) { + /* ldrt/strt */ + i = MMU_USER_IDX; + } else { + i = get_mem_index(s); + } if (insn & (1 << 24)) gen_add_data_offset(s, insn, tmp2); if (insn & (1 << 20)) { @@ -9841,7 +9846,7 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw { int postinc = 0; int writeback = 0; - int user; + int memidx; if ((insn & 0x01100000) == 0x01000000) { if (disas_neon_ls_insn(env, s, insn)) goto illegal_op; @@ -9885,7 +9890,7 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw return 1; } } - user = IS_USER(s); + memidx = get_mem_index(s); if (rn == 15) { addr = tcg_temp_new_i32(); /* PC relative. */ @@ -9922,7 +9927,7 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw break; case 0xe: /* User privilege. */ tcg_gen_addi_i32(addr, addr, imm); - user = 1; + memidx = MMU_USER_IDX; break; case 0x9: /* Post-decrement. */ imm = -imm; @@ -9949,19 +9954,19 @@ 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, user); + gen_aa32_ld8u(tmp, addr, memidx); break; case 4: - gen_aa32_ld8s(tmp, addr, user); + gen_aa32_ld8s(tmp, addr, memidx); break; case 1: - gen_aa32_ld16u(tmp, addr, user); + gen_aa32_ld16u(tmp, addr, memidx); break; case 5: - gen_aa32_ld16s(tmp, addr, user); + gen_aa32_ld16s(tmp, addr, memidx); break; case 2: - gen_aa32_ld32u(tmp, addr, user); + gen_aa32_ld32u(tmp, addr, memidx); break; default: tcg_temp_free_i32(tmp); @@ -9978,13 +9983,13 @@ 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, user); + gen_aa32_st8(tmp, addr, memidx); break; case 1: - gen_aa32_st16(tmp, addr, user); + gen_aa32_st16(tmp, addr, memidx); break; case 2: - gen_aa32_st32(tmp, addr, user); + gen_aa32_st32(tmp, addr, memidx); break; default: tcg_temp_free_i32(tmp); |