diff mbox series

[v4,01/35] target/riscv: Move CPURISCVState pointer to DisasContext

Message ID 20190118131456.32451-2-kbastian@mail.uni-paderborn.de
State New
Headers show
Series target/riscv: Convert to decodetree | expand

Commit Message

Bastian Koppelmann Jan. 18, 2019, 1:14 p.m. UTC 
CPURISCVState is rarely used, so there is no need to pass it to every
translate function. This paves the way for decodetree which only passes
DisasContext to translate functions.

Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
---
 target/riscv/translate.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 312bf298b3..c4a4d8115c 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -52,6 +52,7 @@  typedef struct DisasContext {
        to any system register, which includes CSR_FRM, so we do not have
        to reset this known value.  */
     int frm;
+    CPURISCVState *env;
 } DisasContext;
 
 /* convert riscv funct3 to qemu memop for load/store */
@@ -1797,19 +1798,19 @@  static void decode_RV32_64G(CPURISCVState *env, DisasContext *ctx)
     }
 }
 
-static void decode_opc(CPURISCVState *env, DisasContext *ctx)
+static void decode_opc(DisasContext *ctx)
 {
     /* check for compressed insn */
     if (extract32(ctx->opcode, 0, 2) != 3) {
-        if (!riscv_has_ext(env, RVC)) {
+        if (!riscv_has_ext(ctx->env, RVC)) {
             gen_exception_illegal(ctx);
         } else {
             ctx->pc_succ_insn = ctx->base.pc_next + 2;
-            decode_RV32_64C(env, ctx);
+            decode_RV32_64C(ctx->env, ctx);
         }
     } else {
         ctx->pc_succ_insn = ctx->base.pc_next + 4;
-        decode_RV32_64G(env, ctx);
+        decode_RV32_64G(ctx->env, ctx);
     }
 }
 
@@ -1854,10 +1855,10 @@  static bool riscv_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
 static void riscv_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
 {
     DisasContext *ctx = container_of(dcbase, DisasContext, base);
-    CPURISCVState *env = cpu->env_ptr;
+    ctx->env = cpu->env_ptr;
 
-    ctx->opcode = cpu_ldl_code(env, ctx->base.pc_next);
-    decode_opc(env, ctx);
+    ctx->opcode = cpu_ldl_code(ctx->env, ctx->base.pc_next);
+    decode_opc(ctx);
     ctx->base.pc_next = ctx->pc_succ_insn;
 
     if (ctx->base.is_jmp == DISAS_NEXT) {