diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-08-23 12:55:22 -0700 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2021-09-01 11:59:12 +1000 |
| commit | 377cbb4bdbe2ee4155d740bf1d7fc9a081a61219 (patch) | |
| tree | 41a86eb9f20878b51af56e9ea8cd19f090445ba3 /target | |
| parent | 33979526cad412b72afd1989a22dcd218b2ce170 (diff) | |
target/riscv: Fix hgeie, hgeip
We failed to write into *val for these read functions;
replace them with read_zero. Only warn about unsupported
non-zero value when writing a non-zero value.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210823195529.560295-18-richard.henderson@linaro.org
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/riscv/csr.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 16bd859121..50a2c3a3b4 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -1124,17 +1124,12 @@ static RISCVException write_hcounteren(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } -static RISCVException read_hgeie(CPURISCVState *env, int csrno, - target_ulong *val) -{ - qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN."); - return RISCV_EXCP_NONE; -} - static RISCVException write_hgeie(CPURISCVState *env, int csrno, target_ulong val) { - qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN."); + if (val) { + qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN."); + } return RISCV_EXCP_NONE; } @@ -1165,17 +1160,12 @@ static RISCVException write_htinst(CPURISCVState *env, int csrno, return RISCV_EXCP_NONE; } -static RISCVException read_hgeip(CPURISCVState *env, int csrno, - target_ulong *val) -{ - qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN."); - return RISCV_EXCP_NONE; -} - static RISCVException write_hgeip(CPURISCVState *env, int csrno, target_ulong val) { - qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN."); + if (val) { + qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN."); + } return RISCV_EXCP_NONE; } @@ -1601,10 +1591,10 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = { [CSR_HIP] = { "hip", hmode, NULL, NULL, rmw_hip }, [CSR_HIE] = { "hie", hmode, read_hie, write_hie }, [CSR_HCOUNTEREN] = { "hcounteren", hmode, read_hcounteren, write_hcounteren }, - [CSR_HGEIE] = { "hgeie", hmode, read_hgeie, write_hgeie }, + [CSR_HGEIE] = { "hgeie", hmode, read_zero, write_hgeie }, [CSR_HTVAL] = { "htval", hmode, read_htval, write_htval }, [CSR_HTINST] = { "htinst", hmode, read_htinst, write_htinst }, - [CSR_HGEIP] = { "hgeip", hmode, read_hgeip, write_hgeip }, + [CSR_HGEIP] = { "hgeip", hmode, read_zero, write_hgeip }, [CSR_HGATP] = { "hgatp", hmode, read_hgatp, write_hgatp }, [CSR_HTIMEDELTA] = { "htimedelta", hmode, read_htimedelta, write_htimedelta }, [CSR_HTIMEDELTAH] = { "htimedeltah", hmode32, read_htimedeltah, write_htimedeltah }, |