diff mbox series

[RFC,v2,2/4] linux-user/riscv: Add Ssdtso extension to hwprobe

Message ID 20240209064117.2746701-3-christoph.muellner@vrull.eu (mailing list archive)
State New, archived
Headers show
Series RISC-V: Add dynamic TSO support | expand

Commit Message

Christoph Müllner Feb. 9, 2024, 6:41 a.m. UTC 
This patch exposes Ssdtso via hwprobe in 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 mbox series

Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 24fa11d946..bf0d66b8a8 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8829,6 +8829,7 @@  static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count)
 #define		RISCV_HWPROBE_EXT_ZTSO		(1ULL << 33)
 #define		RISCV_HWPROBE_EXT_ZACAS		(1ULL << 34)
 #define		RISCV_HWPROBE_EXT_ZICOND	(1ULL << 35)
+#define		RISCV_HWPROBE_EXT_SSDTSO	(1ULL << 36)
 
 #define RISCV_HWPROBE_KEY_CPUPERF_0     5
 #define     RISCV_HWPROBE_MISALIGNED_UNKNOWN     (0 << 0)
@@ -8947,6 +8948,8 @@  static void risc_hwprobe_fill_pairs(CPURISCVState *env,
                      RISCV_HWPROBE_EXT_ZACAS : 0;
             value |= cfg->ext_zicond ?
                      RISCV_HWPROBE_EXT_ZICOND : 0;
+            value |= cfg->ext_ssdtso ?
+                     RISCV_HWPROBE_EXT_SSDTSO : 0;
             __put_user(value, &pair->value);
             break;
         case RISCV_HWPROBE_KEY_CPUPERF_0: