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[PATCH v5 08/16] target/riscv: Replace is_32bit with get_xl/get_xlen
From: |
Richard Henderson |
Subject: |
[PATCH v5 08/16] target/riscv: Replace is_32bit with get_xl/get_xlen |
Date: |
Tue, 19 Oct 2021 08:24:30 -0700 |
In preparation for RV128, replace a simple predicate
with a more versatile test.
Reviewed-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/riscv/translate.c | 33 ++++++++++++++++++---------------
1 file changed, 18 insertions(+), 15 deletions(-)
diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index f7634c175a..3f1abbac5c 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -91,16 +91,19 @@ static inline bool has_ext(DisasContext *ctx, uint32_t ext)
}
#ifdef TARGET_RISCV32
-# define is_32bit(ctx) true
+#define get_xl(ctx) MXL_RV32
#elif defined(CONFIG_USER_ONLY)
-# define is_32bit(ctx) false
+#define get_xl(ctx) MXL_RV64
#else
-static inline bool is_32bit(DisasContext *ctx)
-{
- return ctx->xl == MXL_RV32;
-}
+#define get_xl(ctx) ((ctx)->xl)
#endif
+/* The word size for this machine mode. */
+static inline int __attribute__((unused)) get_xlen(DisasContext *ctx)
+{
+ return 16 << get_xl(ctx);
+}
+
/* The word size for this operation. */
static inline int oper_len(DisasContext *ctx)
{
@@ -257,7 +260,7 @@ static void gen_jal(DisasContext *ctx, int rd, target_ulong
imm)
static void mark_fs_dirty(DisasContext *ctx)
{
TCGv tmp;
- target_ulong sd = is_32bit(ctx) ? MSTATUS32_SD : MSTATUS64_SD;
+ target_ulong sd = get_xl(ctx) == MXL_RV32 ? MSTATUS32_SD : MSTATUS64_SD;
if (ctx->mstatus_fs != MSTATUS_FS) {
/* Remember the state change for the rest of the TB. */
@@ -316,16 +319,16 @@ EX_SH(12)
} \
} while (0)
-#define REQUIRE_32BIT(ctx) do { \
- if (!is_32bit(ctx)) { \
- return false; \
- } \
+#define REQUIRE_32BIT(ctx) do { \
+ if (get_xl(ctx) != MXL_RV32) { \
+ return false; \
+ } \
} while (0)
-#define REQUIRE_64BIT(ctx) do { \
- if (is_32bit(ctx)) { \
- return false; \
- } \
+#define REQUIRE_64BIT(ctx) do { \
+ if (get_xl(ctx) < MXL_RV64) { \
+ return false; \
+ } \
} while (0)
static int ex_rvc_register(DisasContext *ctx, int reg)
--
2.25.1
- [PATCH v5 00/16] target/riscv: Rationalize XLEN and operand length, Richard Henderson, 2021/10/19
- [PATCH v5 02/16] target/riscv: Create RISCVMXL enumeration, Richard Henderson, 2021/10/19
- [PATCH v5 01/16] target/riscv: Move cpu_get_tb_cpu_state out of line, Richard Henderson, 2021/10/19
- [PATCH v5 03/16] target/riscv: Split misa.mxl and misa.ext, Richard Henderson, 2021/10/19
- [PATCH v5 06/16] target/riscv: Use REQUIRE_64BIT in amo_check64, Richard Henderson, 2021/10/19
- [PATCH v5 08/16] target/riscv: Replace is_32bit with get_xl/get_xlen,
Richard Henderson <=
- [PATCH v5 05/16] target/riscv: Add MXL/SXL/UXL to TB_FLAGS, Richard Henderson, 2021/10/19
- [PATCH v5 09/16] target/riscv: Replace DisasContext.w with DisasContext.ol, Richard Henderson, 2021/10/19
- [PATCH v5 04/16] target/riscv: Replace riscv_cpu_is_32bit with riscv_cpu_mxl, Richard Henderson, 2021/10/19
- [PATCH v5 07/16] target/riscv: Properly check SEW in amo_op, Richard Henderson, 2021/10/19
- [PATCH v5 10/16] target/riscv: Use gen_arith_per_ol for RVM, Richard Henderson, 2021/10/19
- [PATCH v5 11/16] target/riscv: Adjust trans_rev8_32 for riscv64, Richard Henderson, 2021/10/19
- [PATCH v5 13/16] target/riscv: Use gen_shift*_per_ol for RVB, RVI, Richard Henderson, 2021/10/19
- [PATCH v5 14/16] target/riscv: Align gprs and fprs in cpu_dump, Richard Henderson, 2021/10/19