diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2016-03-04 11:30:20 +0000 |
---|---|---|
committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:49:12 -0600 |
commit | e19d891c9792069b167572192c32d0e14ea3b1cb (patch) | |
tree | 0adc2b99a23937e9efa13cc31e6232cb8e5fe292 | |
parent | 9d9245f33231f27a23e3022a6cd011792ada4a75 (diff) | |
download | hqemu-e19d891c9792069b167572192c32d0e14ea3b1cb.zip hqemu-e19d891c9792069b167572192c32d0e14ea3b1cb.tar.gz |
target-arm: introduce disas flag for endianness
Introduce a disas flag for setting the CPU data endianness. This allows
control of the endianness from the CPU state rather than hard-coding it
to TARGET_WORDS_BIGENDIAN.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[ PC changes:
* Split off as new patch from original:
"target-arm: introduce tbflag for CPSR.E"
* Wrote commit message from scratch
]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r-- | target-arm/translate-a64.c | 1 | ||||
-rw-r--r-- | target-arm/translate.c | 39 | ||||
-rw-r--r-- | target-arm/translate.h | 1 |
3 files changed, 26 insertions, 15 deletions
diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c index 9de0387..04a8d12 100644 --- a/target-arm/translate-a64.c +++ b/target-arm/translate-a64.c @@ -11312,6 +11312,7 @@ void gen_intermediate_code_a64(ARMCPU *cpu, TranslationBlock *tb) !arm_el_is_aa64(env, 3); dc->thumb = 0; dc->sctlr_b = 0; + dc->be_data = MO_TE; dc->condexec_mask = 0; dc->condexec_cond = 0; dc->mmu_idx = ARM_TBFLAG_MMUIDX(tb->flags); diff --git a/target-arm/translate.c b/target-arm/translate.c index 607cc9a..2e30eea 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -958,26 +958,30 @@ static inline void store_reg_from_load(DisasContext *s, int reg, TCGv_i32 var) 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)); \ + TCGMemOp opc = (OPC) | s->be_data; \ + tcg_gen_qemu_ld_i32(val, addr, index, opc); \ } #define DO_GEN_ST(SUFF, OPC) \ 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)); \ + TCGMemOp opc = (OPC) | s->be_data; \ + 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) { - tcg_gen_qemu_ld_i64(val, addr, index, MO_TEQ); + TCGMemOp opc = MO_Q | s->be_data; + tcg_gen_qemu_ld_i64(val, addr, index, opc); } 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; + tcg_gen_qemu_st_i64(val, addr, index, opc); } #else @@ -986,9 +990,10 @@ static inline void gen_aa32_st64(DisasContext *s, TCGv_i64 val, 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); \ + tcg_gen_qemu_ld_i32(val, addr64, index, opc); \ tcg_temp_free(addr64); \ } @@ -996,27 +1001,30 @@ static inline void gen_aa32_ld##SUFF(DisasContext *s, TCGv_i32 val, \ 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); \ + tcg_gen_qemu_st_i32(val, addr64, index, opc); \ tcg_temp_free(addr64); \ } 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); tcg_temp_free(addr64); } 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); + tcg_gen_qemu_st_i64(val, addr64, index, opc); tcg_temp_free(addr64); } @@ -1024,15 +1032,15 @@ static inline void gen_aa32_st64(DisasContext *s, TCGv_i64 val, 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(16s, MO_SW) +DO_GEN_LD(16u, MO_UW) +DO_GEN_LD(32u, MO_UL) /* 'a' variants include an alignment check */ -DO_GEN_LD(16ua, MO_TEUW | MO_ALIGN) -DO_GEN_LD(32ua, MO_TEUL | MO_ALIGN) +DO_GEN_LD(16ua, MO_UW | MO_ALIGN) +DO_GEN_LD(32ua, MO_UL | MO_ALIGN) DO_GEN_ST(8, MO_UB) -DO_GEN_ST(16, MO_TEUW) -DO_GEN_ST(32, MO_TEUL) +DO_GEN_ST(16, MO_UW) +DO_GEN_ST(32, MO_UL) static inline void gen_set_pc_im(DisasContext *s, target_ulong val) { @@ -11595,6 +11603,7 @@ void gen_intermediate_code(CPUARMState *env, TranslationBlock *tb) !arm_el_is_aa64(env, 3); dc->thumb = ARM_TBFLAG_THUMB(tb->flags); dc->sctlr_b = ARM_TBFLAG_SCTLR_B(tb->flags); + dc->be_data = MO_TE; 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); diff --git a/target-arm/translate.h b/target-arm/translate.h index 24de810..783558d 100644 --- a/target-arm/translate.h +++ b/target-arm/translate.h @@ -17,6 +17,7 @@ typedef struct DisasContext { int singlestep_enabled; int thumb; int sctlr_b; + TCGMemOp be_data; #if !defined(CONFIG_USER_ONLY) int user; #endif |