diff options
| author | Palmer Dabbelt <palmer@rivosinc.com> | 2023-11-10 09:37:16 -0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2023-11-22 13:54:02 +1000 |
| commit | 301c65f49f9602f39b9f3ce0ad9ff70d4bda7226 (patch) | |
| tree | 39a98b34455cbb36b7e21fbb8eeb6b870c9a7582 /linux-user | |
| parent | 8fa379170c2a12476021f5f50d6cf3f672e79e7b (diff) | |
linux-user/riscv: Add Zicboz block size to hwprobe
Support for probing the Zicboz block size landed in Linux 6.6, which was
released a few weeks ago. This provides the user-configured block size
when Zicboz is enabled.
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20231110173716.24423-1-palmer@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/syscall.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 16ca5ea7b6..e384e14248 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -8808,6 +8808,8 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0) #define RISCV_HWPROBE_MISALIGNED_MASK (7 << 0) +#define RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE 6 + struct riscv_hwprobe { abi_llong key; abi_ullong value; @@ -8860,6 +8862,10 @@ static void risc_hwprobe_fill_pairs(CPURISCVState *env, case RISCV_HWPROBE_KEY_CPUPERF_0: __put_user(RISCV_HWPROBE_MISALIGNED_FAST, &pair->value); break; + case RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE: + value = cfg->ext_zicboz ? cfg->cboz_blocksize : 0; + __put_user(value, &pair->value); + break; default: __put_user(-1, &pair->key); break; |