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[PATCH 02/13] target/riscv/csr.c: use 'vlenb' instead of 'vlen'
From: |
Daniel Henrique Barboza |
Subject: |
[PATCH 02/13] target/riscv/csr.c: use 'vlenb' instead of 'vlen' |
Date: |
Fri, 12 Jan 2024 18:38:01 -0300 |
As a bonus, we're being more idiomatic using cpu->cfg.vlenb when
reading CSR_VLENB.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
---
target/riscv/csr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 674ea075a4..5c8d22452b 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -683,7 +683,7 @@ static RISCVException read_vl(CPURISCVState *env, int csrno,
static int read_vlenb(CPURISCVState *env, int csrno, target_ulong *val)
{
- *val = riscv_cpu_cfg(env)->vlen >> 3;
+ *val = riscv_cpu_cfg(env)->vlenb;
return RISCV_EXCP_NONE;
}
@@ -738,7 +738,7 @@ static RISCVException write_vstart(CPURISCVState *env, int
csrno,
* The vstart CSR is defined to have only enough writable bits
* to hold the largest element index, i.e. lg2(VLEN) bits.
*/
- env->vstart = val & ~(~0ULL << ctzl(riscv_cpu_cfg(env)->vlen));
+ env->vstart = val & ~(~0ULL << ctzl(riscv_cpu_cfg(env)->vlenb << 3));
return RISCV_EXCP_NONE;
}
--
2.43.0
- [PATCH 00/13] target/riscv: add 'cpu->cfg.vlenb', remove 'cpu->cfg.vlen', Daniel Henrique Barboza, 2024/01/12
- [PATCH 01/13] target/riscv: add 'vlenb' field in cpu->cfg, Daniel Henrique Barboza, 2024/01/12
- [PATCH 02/13] target/riscv/csr.c: use 'vlenb' instead of 'vlen',
Daniel Henrique Barboza <=
- [PATCH 03/13] target/riscv/gdbstub.c: use 'vlenb' instead of shifting 'vlen', Daniel Henrique Barboza, 2024/01/12
- [PATCH 04/13] target/riscv/insn_trans/trans_rvbf16.c.inc: use cpu->cfg.vlenb, Daniel Henrique Barboza, 2024/01/12
- [PATCH 05/13] target/riscv/insn_trans/trans_rvv.c.inc: use 'vlenb', Daniel Henrique Barboza, 2024/01/12
- [PATCH 06/13] target/riscv/insn_trans/trans_rvvk.c.inc: use 'vlenb', Daniel Henrique Barboza, 2024/01/12
- [PATCH 07/13] target/riscv/vector_helper.c: use 'vlenb', Daniel Henrique Barboza, 2024/01/12
- [PATCH 08/13] target/riscv/vector_helper.c: use vlenb in HELPER(vsetvl), Daniel Henrique Barboza, 2024/01/12
- [PATCH 09/13] target/riscv/cpu.h: use 'vlenb' in vext_get_vlmax(), Daniel Henrique Barboza, 2024/01/12
- [PATCH 11/13] trans_rvv.c.inc: remove vlmax arg from vec_element_loadx(), Daniel Henrique Barboza, 2024/01/12