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path: root/target/riscv/insn_trans/trans_rvi.inc.c
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Diffstat (limited to 'target/riscv/insn_trans/trans_rvi.inc.c')
-rw-r--r--target/riscv/insn_trans/trans_rvi.inc.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/target/riscv/insn_trans/trans_rvi.inc.c b/target/riscv/insn_trans/trans_rvi.inc.c
index 973d6371df..4a23372cb8 100644
--- a/target/riscv/insn_trans/trans_rvi.inc.c
+++ b/target/riscv/insn_trans/trans_rvi.inc.c
@@ -337,3 +337,82 @@ static bool trans_fence_i(DisasContext *ctx, arg_fence_i *a)
ctx->base.is_jmp = DISAS_NORETURN;
return true;
}
+
+#define RISCV_OP_CSR_PRE do {\
+ source1 = tcg_temp_new(); \
+ csr_store = tcg_temp_new(); \
+ dest = tcg_temp_new(); \
+ rs1_pass = tcg_temp_new(); \
+ gen_get_gpr(source1, a->rs1); \
+ tcg_gen_movi_tl(cpu_pc, ctx->base.pc_next); \
+ tcg_gen_movi_tl(rs1_pass, a->rs1); \
+ tcg_gen_movi_tl(csr_store, a->csr); \
+ gen_io_start();\
+} while (0)
+
+#define RISCV_OP_CSR_POST do {\
+ gen_io_end(); \
+ gen_set_gpr(a->rd, dest); \
+ tcg_gen_movi_tl(cpu_pc, ctx->pc_succ_insn); \
+ tcg_gen_exit_tb(NULL, 0); \
+ ctx->base.is_jmp = DISAS_NORETURN; \
+ tcg_temp_free(source1); \
+ tcg_temp_free(csr_store); \
+ tcg_temp_free(dest); \
+ tcg_temp_free(rs1_pass); \
+} while (0)
+
+
+static bool trans_csrrw(DisasContext *ctx, arg_csrrw *a)
+{
+ TCGv source1, csr_store, dest, rs1_pass;
+ RISCV_OP_CSR_PRE;
+ gen_helper_csrrw(dest, cpu_env, source1, csr_store);
+ RISCV_OP_CSR_POST;
+ return true;
+}
+
+static bool trans_csrrs(DisasContext *ctx, arg_csrrs *a)
+{
+ TCGv source1, csr_store, dest, rs1_pass;
+ RISCV_OP_CSR_PRE;
+ gen_helper_csrrs(dest, cpu_env, source1, csr_store, rs1_pass);
+ RISCV_OP_CSR_POST;
+ return true;
+}
+
+static bool trans_csrrc(DisasContext *ctx, arg_csrrc *a)
+{
+ TCGv source1, csr_store, dest, rs1_pass;
+ RISCV_OP_CSR_PRE;
+ gen_helper_csrrc(dest, cpu_env, source1, csr_store, rs1_pass);
+ RISCV_OP_CSR_POST;
+ return true;
+}
+
+static bool trans_csrrwi(DisasContext *ctx, arg_csrrwi *a)
+{
+ TCGv source1, csr_store, dest, rs1_pass;
+ RISCV_OP_CSR_PRE;
+ gen_helper_csrrw(dest, cpu_env, rs1_pass, csr_store);
+ RISCV_OP_CSR_POST;
+ return true;
+}
+
+static bool trans_csrrsi(DisasContext *ctx, arg_csrrsi *a)
+{
+ TCGv source1, csr_store, dest, rs1_pass;
+ RISCV_OP_CSR_PRE;
+ gen_helper_csrrs(dest, cpu_env, rs1_pass, csr_store, rs1_pass);
+ RISCV_OP_CSR_POST;
+ return true;
+}
+
+static bool trans_csrrci(DisasContext *ctx, arg_csrrci *a)
+{
+ TCGv source1, csr_store, dest, rs1_pass;
+ RISCV_OP_CSR_PRE;
+ gen_helper_csrrc(dest, cpu_env, rs1_pass, csr_store, rs1_pass);
+ RISCV_OP_CSR_POST;
+ return true;
+}