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[RFC PATCH v2 35/67] Hexagon TCG generation helpers - step 2
From: |
Taylor Simpson |
Subject: |
[RFC PATCH v2 35/67] Hexagon TCG generation helpers - step 2 |
Date: |
Fri, 28 Feb 2020 10:43:31 -0600 |
Helpers for load-locked/store-conditional
Signed-off-by: Taylor Simpson <address@hidden>
---
target/hexagon/genptr_helpers.h | 52 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/target/hexagon/genptr_helpers.h b/target/hexagon/genptr_helpers.h
index d8d5d95..c0e4c39 100644
--- a/target/hexagon/genptr_helpers.h
+++ b/target/hexagon/genptr_helpers.h
@@ -334,4 +334,56 @@ static inline TCGv gen_set_bit(int i, TCGv result, TCGv
src)
return result;
}
+static inline void gen_load_locked4u(TCGv dest, TCGv vaddr, int mem_index)
+{
+ tcg_gen_qemu_ld32u(dest, vaddr, mem_index);
+ tcg_gen_mov_tl(llsc_addr, vaddr);
+ tcg_gen_mov_tl(llsc_val, dest);
+}
+
+static inline void gen_load_locked8u(TCGv_i64 dest, TCGv vaddr, int mem_index)
+{
+ tcg_gen_qemu_ld64(dest, vaddr, mem_index);
+ tcg_gen_mov_tl(llsc_addr, vaddr);
+ tcg_gen_mov_i64(llsc_val_i64, dest);
+}
+
+static inline void gen_store_conditional4(CPUHexagonState *env,
+ DisasContext *ctx, int prednum,
+ TCGv pred, TCGv vaddr, TCGv src)
+{
+ TCGv tmp = tcg_temp_new();
+ TCGLabel *fail = gen_new_label();
+
+ tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPUHexagonState, llsc_addr));
+ tcg_gen_brcond_tl(TCG_COND_NE, vaddr, tmp, fail);
+ tcg_gen_movi_tl(tmp, prednum);
+ tcg_gen_st_tl(tmp, cpu_env, offsetof(CPUHexagonState, llsc_reg));
+ tcg_gen_st_tl(src, cpu_env, offsetof(CPUHexagonState, llsc_newval));
+ gen_exception(HEX_EXCP_SC4);
+
+ gen_set_label(fail);
+ tcg_gen_movi_tl(pred, 0);
+ tcg_temp_free(tmp);
+}
+
+static inline void gen_store_conditional8(CPUHexagonState *env,
+ DisasContext *ctx, int prednum,
+ TCGv pred, TCGv vaddr, TCGv_i64 src)
+{
+ TCGv tmp = tcg_temp_new();
+ TCGLabel *fail = gen_new_label();
+
+ tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPUHexagonState, llsc_addr));
+ tcg_gen_brcond_tl(TCG_COND_NE, vaddr, tmp, fail);
+ tcg_gen_movi_tl(tmp, prednum);
+ tcg_gen_st_tl(tmp, cpu_env, offsetof(CPUHexagonState, llsc_reg));
+ tcg_gen_st_i64(src, cpu_env, offsetof(CPUHexagonState, llsc_newval_i64));
+ gen_exception(HEX_EXCP_SC8);
+
+ gen_set_label(fail);
+ tcg_gen_movi_tl(pred, 0);
+ tcg_temp_free(tmp);
+}
+
#endif
--
2.7.4
- [RFC PATCH v2 60/67] Hexagon HVX instruction decoding, (continued)
- [RFC PATCH v2 60/67] Hexagon HVX instruction decoding, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 63/67] Hexagon HVX macros referenced in instruction semantics, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 39/67] Hexagon TCG generation - step 01, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 52/67] Hexagon Linux user emulation, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 56/67] Hexagon HVX import instruction encodings, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 46/67] Hexagon TCG generation - step 08, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 54/67] Hexagon - Add Hexagon Vector eXtensions (HVX) to core definition, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 30/67] Hexagon opcode data structures, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 61/67] Hexagon HVX instruction utility functions, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 36/67] Hexagon TCG generation helpers - step 3, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 35/67] Hexagon TCG generation helpers - step 2,
Taylor Simpson <=
- [RFC PATCH v2 45/67] Hexagon TCG generation - step 07, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 50/67] Hexagon TCG generation - step 12, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 42/67] Hexagon TCG generation - step 04, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 40/67] Hexagon TCG generation - step 02, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 34/67] Hexagon TCG generation helpers - step 1, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 43/67] Hexagon TCG generation - step 05, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 49/67] Hexagon TCG generation - step 11, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 65/67] Hexagon HVX TCG generation, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 66/67] Hexagon HVX translation, Taylor Simpson, 2020/02/28
- [RFC PATCH v2 51/67] Hexagon translation, Taylor Simpson, 2020/02/28