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From: Alistair Francis <alistair.francis@opensource.wdc.com>
To: qemu-devel@nongnu.org, peter.maydell@linaro.org
Cc: alistair23@gmail.com, Philipp Tomsich <philipp.tomsich@vrull.eu>,
	Richard Henderson <richard.henderson@linaro.org>,
	Alistair Francis <alistair.francis@wdc.com>,
	Bin Meng <bmeng.cn@gmail.com>
Subject: [PULL 08/26] target/riscv: Reassign instructions to the Zbs-extension
Date: Thu,  7 Oct 2021 16:47:33 +1000	[thread overview]
Message-ID: <20211007064751.608580-9-alistair.francis@opensource.wdc.com> (raw)
In-Reply-To: <20211007064751.608580-1-alistair.francis@opensource.wdc.com>

From: Philipp Tomsich <philipp.tomsich@vrull.eu>

The following instructions are part of Zbs:
 - b{set,clr,ext,inv}
 - b{set,clr,ext,inv}i

Signed-off-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Acked-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20210911140016.834071-9-philipp.tomsich@vrull.eu
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 target/riscv/insn32.decode              | 17 +++++++++--------
 target/riscv/insn_trans/trans_rvb.c.inc | 25 +++++++++++++++----------
 2 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index e0f6e315a2..35a3563ff4 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -689,19 +689,11 @@ min        0000101 .......... 100 ..... 0110011 @r
 minu       0000101 .......... 101 ..... 0110011 @r
 max        0000101 .......... 110 ..... 0110011 @r
 maxu       0000101 .......... 111 ..... 0110011 @r
-bset       0010100 .......... 001 ..... 0110011 @r
-bclr       0100100 .......... 001 ..... 0110011 @r
-binv       0110100 .......... 001 ..... 0110011 @r
-bext       0100100 .......... 101 ..... 0110011 @r
 ror        0110000 .......... 101 ..... 0110011 @r
 rol        0110000 .......... 001 ..... 0110011 @r
 grev       0110100 .......... 101 ..... 0110011 @r
 gorc       0010100 .......... 101 ..... 0110011 @r
 
-bseti      00101. ........... 001 ..... 0010011 @sh
-bclri      01001. ........... 001 ..... 0010011 @sh
-binvi      01101. ........... 001 ..... 0010011 @sh
-bexti      01001. ........... 101 ..... 0010011 @sh
 rori       01100. ........... 101 ..... 0010011 @sh
 grevi      01101. ........... 101 ..... 0010011 @sh
 gorci      00101. ........... 101 ..... 0010011 @sh
@@ -722,3 +714,12 @@ roriw      0110000 .......... 101 ..... 0011011 @sh5
 greviw     0110100 .......... 101 ..... 0011011 @sh5
 gorciw     0010100 .......... 101 ..... 0011011 @sh5
 
+# *** RV32 Zbs Standard Extension ***
+bclr       0100100 .......... 001 ..... 0110011 @r
+bclri      01001. ........... 001 ..... 0010011 @sh
+bext       0100100 .......... 101 ..... 0110011 @r
+bexti      01001. ........... 101 ..... 0010011 @sh
+binv       0110100 .......... 001 ..... 0110011 @r
+binvi      01101. ........... 001 ..... 0010011 @sh
+bset       0010100 .......... 001 ..... 0110011 @r
+bseti      00101. ........... 001 ..... 0010011 @sh
diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_trans/trans_rvb.c.inc
index a5bf40f95b..861364e3e5 100644
--- a/target/riscv/insn_trans/trans_rvb.c.inc
+++ b/target/riscv/insn_trans/trans_rvb.c.inc
@@ -1,5 +1,5 @@
 /*
- * RISC-V translation routines for the RVB draft and Zba Standard Extension.
+ * RISC-V translation routines for the RVB draft Zb[as] Standard Extension.
  *
  * Copyright (c) 2020 Kito Cheng, kito.cheng@sifive.com
  * Copyright (c) 2020 Frank Chang, frank.chang@sifive.com
@@ -24,11 +24,16 @@
     }                                            \
 } while (0)
 
+#define REQUIRE_ZBS(ctx) do {                    \
+    if (!RISCV_CPU(ctx->cs)->cfg.ext_zbs) {      \
+        return false;                            \
+    }                                            \
+} while (0)
+
 static void gen_clz(TCGv ret, TCGv arg1)
 {
     tcg_gen_clzi_tl(ret, arg1, TARGET_LONG_BITS);
 }
-
 static bool trans_clz(DisasContext *ctx, arg_clz *a)
 {
     REQUIRE_EXT(ctx, RVB);
@@ -165,13 +170,13 @@ static void gen_bset(TCGv ret, TCGv arg1, TCGv shamt)
 
 static bool trans_bset(DisasContext *ctx, arg_bset *a)
 {
-    REQUIRE_EXT(ctx, RVB);
+    REQUIRE_ZBS(ctx);
     return gen_shift(ctx, a, EXT_NONE, gen_bset);
 }
 
 static bool trans_bseti(DisasContext *ctx, arg_bseti *a)
 {
-    REQUIRE_EXT(ctx, RVB);
+    REQUIRE_ZBS(ctx);
     return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_bset);
 }
 
@@ -187,13 +192,13 @@ static void gen_bclr(TCGv ret, TCGv arg1, TCGv shamt)
 
 static bool trans_bclr(DisasContext *ctx, arg_bclr *a)
 {
-    REQUIRE_EXT(ctx, RVB);
+    REQUIRE_ZBS(ctx);
     return gen_shift(ctx, a, EXT_NONE, gen_bclr);
 }
 
 static bool trans_bclri(DisasContext *ctx, arg_bclri *a)
 {
-    REQUIRE_EXT(ctx, RVB);
+    REQUIRE_ZBS(ctx);
     return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_bclr);
 }
 
@@ -209,13 +214,13 @@ static void gen_binv(TCGv ret, TCGv arg1, TCGv shamt)
 
 static bool trans_binv(DisasContext *ctx, arg_binv *a)
 {
-    REQUIRE_EXT(ctx, RVB);
+    REQUIRE_ZBS(ctx);
     return gen_shift(ctx, a, EXT_NONE, gen_binv);
 }
 
 static bool trans_binvi(DisasContext *ctx, arg_binvi *a)
 {
-    REQUIRE_EXT(ctx, RVB);
+    REQUIRE_ZBS(ctx);
     return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_binv);
 }
 
@@ -227,13 +232,13 @@ static void gen_bext(TCGv ret, TCGv arg1, TCGv shamt)
 
 static bool trans_bext(DisasContext *ctx, arg_bext *a)
 {
-    REQUIRE_EXT(ctx, RVB);
+    REQUIRE_ZBS(ctx);
     return gen_shift(ctx, a, EXT_NONE, gen_bext);
 }
 
 static bool trans_bexti(DisasContext *ctx, arg_bexti *a)
 {
-    REQUIRE_EXT(ctx, RVB);
+    REQUIRE_ZBS(ctx);
     return gen_shift_imm_tl(ctx, a, EXT_NONE, gen_bext);
 }
 
-- 
2.31.1



  parent reply	other threads:[~2021-10-07  6:55 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-07  6:47 [PULL 00/26] riscv-to-apply queue Alistair Francis
2021-10-07  6:47 ` [PULL 01/26] target/riscv: Introduce temporary in gen_add_uw() Alistair Francis
2021-10-07  6:47 ` [PULL 02/26] target/riscv: fix clzw implementation to operate on arg1 Alistair Francis
2021-10-07  6:47 ` [PULL 03/26] target/riscv: clwz must ignore high bits (use shift-left & changed logic) Alistair Francis
2021-10-07  6:47 ` [PULL 04/26] target/riscv: Add x-zba, x-zbb, x-zbc and x-zbs properties Alistair Francis
2021-10-07  6:47 ` [PULL 05/26] target/riscv: Reassign instructions to the Zba-extension Alistair Francis
2021-10-07  6:47 ` [PULL 06/26] target/riscv: Remove the W-form instructions from Zbs Alistair Francis
2021-10-07  6:47 ` [PULL 07/26] target/riscv: Remove shift-one instructions (proposed Zbo in pre-0.93 draft-B) Alistair Francis
2021-10-07  6:47 ` Alistair Francis [this message]
2021-10-07  6:47 ` [PULL 09/26] target/riscv: Add instructions of the Zbc-extension Alistair Francis
2021-10-07  6:47 ` [PULL 10/26] target/riscv: Reassign instructions to the Zbb-extension Alistair Francis
2021-10-07  6:47 ` [PULL 11/26] target/riscv: Add orc.b instruction for Zbb, removing gorc/gorci Alistair Francis
2021-10-13  9:36   ` Vincent Palatin
2021-10-13  9:37     ` [PATCH v1A] target/riscv: fix orc.b instruction in the Zbb extension Vincent Palatin
2021-10-13  9:38     ` [PATCH v1B] " Vincent Palatin
2021-10-13 13:12     ` [PULL 11/26] target/riscv: Add orc.b instruction for Zbb, removing gorc/gorci Philipp Tomsich
2021-10-13 13:44       ` Vincent Palatin
2021-10-13 13:49         ` Philipp Tomsich
2021-10-13 16:20           ` Vineet Gupta
2021-10-13 16:51             ` Richard Henderson
2021-10-13 17:00               ` Philipp Tomsich
2021-10-07  6:47 ` [PULL 12/26] target/riscv: Add a REQUIRE_32BIT macro Alistair Francis
2021-10-07  6:47 ` [PULL 13/26] target/riscv: Add rev8 instruction, removing grev/grevi Alistair Francis
2021-10-07  6:47 ` [PULL 14/26] target/riscv: Add zext.h instructions to Zbb, removing pack/packu/packh Alistair Francis
2021-10-07  6:47 ` [PULL 15/26] target/riscv: Remove RVB (replaced by Zb[abcs]) Alistair Francis
2021-10-07  6:47 ` [PULL 16/26] disas/riscv: Add Zb[abcs] instructions Alistair Francis
2021-10-07  6:47 ` [PULL 17/26] target/riscv: Set mstatus_hs.[SD|FS] bits if Clean and V=1 in mark_fs_dirty() Alistair Francis
2021-10-07  6:47 ` [PULL 18/26] hw/char: ibex_uart: Register device in 'input' category Alistair Francis
2021-10-07  6:47 ` [PULL 19/26] hw/char: shakti_uart: " Alistair Francis
2021-10-07  6:47 ` [PULL 20/26] hw/char: sifive_uart: " Alistair Francis
2021-10-07  6:47 ` [PULL 21/26] hw/char/mchp_pfsoc_mmuart: Simplify MCHP_PFSOC_MMUART_REG definition Alistair Francis
2021-10-07  6:47 ` [PULL 22/26] hw/char/mchp_pfsoc_mmuart: Use a MemoryRegion container Alistair Francis
2021-10-07  6:47 ` [PULL 23/26] hw/char/mchp_pfsoc_mmuart: QOM'ify PolarFire MMUART Alistair Francis
2021-10-07  6:47 ` [PULL 24/26] hw/dma: sifive_pdma: Fix Control.claim bit detection Alistair Francis
2021-10-07  6:47 ` [PULL 25/26] hw/dma: sifive_pdma: Don't run DMA when channel is disclaimed Alistair Francis
2021-10-07  6:47 ` [PULL 26/26] hw/riscv: shakti_c: Mark as not user creatable Alistair Francis
2021-10-07 17:25 ` [PULL 00/26] riscv-to-apply queue Richard Henderson

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