aboutsummaryrefslogtreecommitdiff
path: root/target-arm/translate.c
diff options
context:
space:
mode:
Diffstat (limited to 'target-arm/translate.c')
-rw-r--r--target-arm/translate.c171
1 files changed, 66 insertions, 105 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c
index ef62f8b0c4..ee2bf57f90 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -932,145 +932,106 @@ static inline void store_reg_from_load(DisasContext *s, int reg, TCGv_i32 var)
* These functions work like tcg_gen_qemu_{ld,st}* except
* that the address argument is TCGv_i32 rather than TCGv.
*/
-#if TARGET_LONG_BITS == 32
-#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; \
- /* 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) \
-{ \
- 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)
+static inline TCGv gen_aa32_addr(DisasContext *s, TCGv_i32 a32, TCGMemOp op)
{
- TCGMemOp opc = MO_Q | s->be_data;
- tcg_gen_qemu_ld_i64(val, addr, index, opc);
+ TCGv addr = tcg_temp_new();
+ tcg_gen_extu_i32_tl(addr, a32);
+
/* 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);
+ if (!IS_USER_ONLY && s->sctlr_b && (op & MO_SIZE) < MO_32) {
+ tcg_gen_xori_tl(addr, addr, 4 - (1 << (op & MO_SIZE)));
}
+ return addr;
}
-static inline void gen_aa32_st64(DisasContext *s, TCGv_i64 val,
- TCGv_i32 addr, int index)
+static void gen_aa32_ld_i32(DisasContext *s, TCGv_i32 val, TCGv_i32 a32,
+ int index, TCGMemOp opc)
{
- 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);
+ TCGv addr = gen_aa32_addr(s, a32, opc);
+ tcg_gen_qemu_ld_i32(val, addr, index, opc);
+ tcg_temp_free(addr);
}
-#else
+static void gen_aa32_st_i32(DisasContext *s, TCGv_i32 val, TCGv_i32 a32,
+ int index, TCGMemOp opc)
+{
+ TCGv addr = gen_aa32_addr(s, a32, opc);
+ tcg_gen_qemu_st_i32(val, addr, index, opc);
+ tcg_temp_free(addr);
+}
-#define DO_GEN_LD(SUFF, OPC, BE32_XOR) \
+#define DO_GEN_LD(SUFF, OPC) \
static inline void gen_aa32_ld##SUFF(DisasContext *s, TCGv_i32 val, \
- TCGv_i32 addr, int index) \
+ TCGv_i32 a32, int index) \
{ \
- TCGMemOp opc = (OPC) | s->be_data; \
- TCGv addr64 = tcg_temp_new(); \
- tcg_gen_extu_i32_i64(addr64, addr); \
- /* 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, BE32_XOR) \
+ gen_aa32_ld_i32(s, val, a32, index, OPC | s->be_data); \
+}
+
+#define DO_GEN_ST(SUFF, OPC) \
static inline void gen_aa32_st##SUFF(DisasContext *s, TCGv_i32 val, \
- TCGv_i32 addr, int index) \
+ TCGv_i32 a32, int index) \
{ \
- TCGMemOp opc = (OPC) | s->be_data; \
- TCGv addr64 = tcg_temp_new(); \
- tcg_gen_extu_i32_i64(addr64, addr); \
- /* 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); \
+ gen_aa32_st_i32(s, val, a32, index, OPC | s->be_data); \
}
-static inline void gen_aa32_ld64(DisasContext *s, TCGv_i64 val,
- TCGv_i32 addr, int index)
+static inline void gen_aa32_frob64(DisasContext *s, TCGv_i64 val)
{
- 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, 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(DisasContext *s, TCGv_i64 val,
- TCGv_i32 addr, int index)
+static void gen_aa32_ld_i64(DisasContext *s, TCGv_i64 val, TCGv_i32 a32,
+ int index, TCGMemOp opc)
{
- TCGMemOp opc = MO_Q | s->be_data;
- TCGv addr64 = tcg_temp_new();
- tcg_gen_extu_i32_i64(addr64, addr);
+ TCGv addr = gen_aa32_addr(s, a32, opc);
+ tcg_gen_qemu_ld_i64(val, addr, index, opc);
+ gen_aa32_frob64(s, val);
+ tcg_temp_free(addr);
+}
+
+static inline void gen_aa32_ld64(DisasContext *s, TCGv_i64 val,
+ TCGv_i32 a32, int index)
+{
+ gen_aa32_ld_i64(s, val, a32, index, MO_Q | s->be_data);
+}
+
+static void gen_aa32_st_i64(DisasContext *s, TCGv_i64 val, TCGv_i32 a32,
+ int index, TCGMemOp opc)
+{
+ TCGv addr = gen_aa32_addr(s, a32, opc);
/* Not needed for user-mode BE32, where we use MO_BE instead. */
if (!IS_USER_ONLY && s->sctlr_b) {
- TCGv tmp = tcg_temp_new();
+ TCGv_i64 tmp = tcg_temp_new_i64();
tcg_gen_rotri_i64(tmp, val, 32);
- tcg_gen_qemu_st_i64(tmp, addr64, index, opc);
- tcg_temp_free(tmp);
+ tcg_gen_qemu_st_i64(tmp, addr, index, opc);
+ tcg_temp_free_i64(tmp);
} else {
- tcg_gen_qemu_st_i64(val, addr64, index, opc);
+ tcg_gen_qemu_st_i64(val, addr, index, opc);
}
- tcg_temp_free(addr64);
+ tcg_temp_free(addr);
}
-#endif
+static inline void gen_aa32_st64(DisasContext *s, TCGv_i64 val,
+ TCGv_i32 a32, int index)
+{
+ gen_aa32_st_i64(s, val, a32, index, MO_Q | s->be_data);
+}
-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)
+DO_GEN_LD(8s, MO_SB)
+DO_GEN_LD(8u, MO_UB)
+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_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)
+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_UW)
+DO_GEN_ST(32, MO_UL)
static inline void gen_set_pc_im(DisasContext *s, target_ulong val)
{