From: Christoph Muellner <christoph.muellner@vrull.eu>
To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org,
Alistair Francis <alistair.francis@wdc.com>,
Bin Meng <bin.meng@windriver.com>,
Philipp Tomsich <philipp.tomsich@vrull.eu>,
Palmer Dabbelt <palmer@dabbelt.com>,
Richard Henderson <richard.henderson@linaro.org>
Cc: "Christoph Müllner" <christoph.muellner@vrull.eu>,
"Laurent Vivier" <laurent@vivier.eu>
Subject: [PATCH v2] linux-user/riscv: Add Zicboz extensions to hwprobe
Date: Thu, 23 Nov 2023 19:12:59 +0100 [thread overview]
Message-ID: <20231123181300.2140622-1-christoph.muellner@vrull.eu> (raw)
From: Christoph Müllner <christoph.muellner@vrull.eu>
Upstream Linux recently added RISC-V Zicboz support to the hwprobe API.
This patch introduces this for QEMU's user space emulator.
Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
---
linux-user/syscall.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 65ac3ac796..2f9a1c5279 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8799,6 +8799,7 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count)
#define RISCV_HWPROBE_EXT_ZBA (1 << 3)
#define RISCV_HWPROBE_EXT_ZBB (1 << 4)
#define RISCV_HWPROBE_EXT_ZBS (1 << 5)
+#define RISCV_HWPROBE_EXT_ZICBOZ (1 << 6)
#define RISCV_HWPROBE_KEY_CPUPERF_0 5
#define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0)
@@ -8855,6 +8856,8 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env,
RISCV_HWPROBE_EXT_ZBB : 0;
value |= cfg->ext_zbs ?
RISCV_HWPROBE_EXT_ZBS : 0;
+ value |= cfg->ext_zicboz ?
+ RISCV_HWPROBE_EXT_ZICBOZ : 0;
__put_user(value, &pair->value);
break;
case RISCV_HWPROBE_KEY_CPUPERF_0:
--
2.41.0
next reply other threads:[~2023-11-23 18:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-23 18:12 Christoph Muellner [this message]
2023-11-23 20:37 ` [PATCH v2] linux-user/riscv: Add Zicboz extensions to hwprobe Daniel Henrique Barboza
2023-11-24 16:59 ` Andrew Jones
2023-11-24 17:41 ` Christoph Müllner
2023-11-26 10:01 ` Andrew Jones
2023-12-06 0:56 ` Alistair Francis
2024-02-07 11:58 ` Christoph Müllner
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