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From: Alistair Francis <alistair23@gmail.com>
X-Google-Original-From: Alistair Francis <alistair.francis@wdc.com>
To: qemu-devel@nongnu.org
Cc: alistair23@gmail.com, Robbin Ehn <rehn@rivosinc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Alistair Francis <alistair.francis@wdc.com>
Subject: [PULL v2 40/45] linux-user/riscv: Add new extensions to hwprobe
Date: Mon, 11 Sep 2023 16:43:15 +1000
Message-ID: <20230911064320.939791-41-alistair.francis@wdc.com>
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From: Robbin Ehn <rehn@rivosinc.com>
This patch adds the new extensions in
linux 6.5 to the hwprobe syscall.
And fixes RVC check to OR with correct value.
The previous variable contains 0 therefore it
did work.
Signed-off-by: Robbin Ehn <rehn@rivosinc.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <bc82203b72d7efb30f1b4a8f9eb3d94699799dc8.camel@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
linux-user/syscall.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index dac0641bab..3521a2d70b 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8793,6 +8793,10 @@ static int do_getdents64(abi_long dirfd, abi_long ar=
g2, abi_long count)
#define RISCV_HWPROBE_KEY_IMA_EXT_0 4
#define RISCV_HWPROBE_IMA_FD (1 << 0)
#define RISCV_HWPROBE_IMA_C (1 << 1)
+#define RISCV_HWPROBE_IMA_V (1 << 2)
+#define RISCV_HWPROBE_EXT_ZBA (1 << 3)
+#define RISCV_HWPROBE_EXT_ZBB (1 << 4)
+#define RISCV_HWPROBE_EXT_ZBS (1 << 5)
=20
#define RISCV_HWPROBE_KEY_CPUPERF_0 5
#define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0)
@@ -8840,7 +8844,15 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *e=
nv,
riscv_has_ext(env, RVD) ?
RISCV_HWPROBE_IMA_FD : 0;
value |=3D riscv_has_ext(env, RVC) ?
- RISCV_HWPROBE_IMA_C : pair->value;
+ RISCV_HWPROBE_IMA_C : 0;
+ value |=3D riscv_has_ext(env, RVV) ?
+ RISCV_HWPROBE_IMA_V : 0;
+ value |=3D cfg->ext_zba ?
+ RISCV_HWPROBE_EXT_ZBA : 0;
+ value |=3D cfg->ext_zbb ?
+ RISCV_HWPROBE_EXT_ZBB : 0;
+ value |=3D cfg->ext_zbs ?
+ RISCV_HWPROBE_EXT_ZBS : 0;
__put_user(value, &pair->value);
break;
case RISCV_HWPROBE_KEY_CPUPERF_0:
--=20
2.41.0