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[PULL 07/44] target/riscv: H extension depends on I extension
From: |
Alistair Francis |
Subject: |
[PULL 07/44] target/riscv: H extension depends on I extension |
Date: |
Wed, 7 Sep 2022 10:03:16 +0200 |
From: Weiwei Li <liweiwei@iscas.ac.cn>
Add check for "H depends on an I base integer ISA with 32 x registers"
which is stated at the beginning of chapter 8 of the riscv-privileged
spec(draft-20220717)
Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-Id: <20220718130955.11899-3-liweiwei@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/cpu.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index b919ad9056..fb37ffac64 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -727,6 +727,12 @@ static void riscv_cpu_realize(DeviceState *dev, Error
**errp)
return;
}
+ if (cpu->cfg.ext_h && !cpu->cfg.ext_i) {
+ error_setg(errp,
+ "H depends on an I base integer ISA with 32 x
registers");
+ return;
+ }
+
if (cpu->cfg.ext_f && !cpu->cfg.ext_icsr) {
error_setg(errp, "F extension requires Zicsr");
return;
--
2.37.2
- [PULL 00/44] riscv-to-apply queue, Alistair Francis, 2022/09/07
- [PULL 04/44] target/riscv: move zmmul out of the experimental properties, Alistair Francis, 2022/09/07
- [PULL 06/44] target/riscv: Add check for supported privilege mode combinations, Alistair Francis, 2022/09/07
- [PULL 03/44] target/riscv: fix shifts shamt value for rv128c, Alistair Francis, 2022/09/07
- [PULL 13/44] target/riscv: Fix typo and restore Pointer Masking functionality for RISC-V, Alistair Francis, 2022/09/07
- [PULL 05/44] hw/riscv: virt: pass random seed to fdt, Alistair Francis, 2022/09/07
- [PULL 02/44] target/riscv: Force disable extensions if priv spec version does not match, Alistair Francis, 2022/09/07
- [PULL 08/44] target/riscv: Fix checkpatch warning may triggered in csr_ops table, Alistair Francis, 2022/09/07
- [PULL 07/44] target/riscv: H extension depends on I extension,
Alistair Francis <=
- [PULL 09/44] target/riscv: Add check for csrs existed with U extension, Alistair Francis, 2022/09/07
- [PULL 10/44] target/riscv: Fix checks in hmode/hmode32, Alistair Francis, 2022/09/07
- [PULL 12/44] roms/opensbi: Upgrade from v1.0 to v1.1, Alistair Francis, 2022/09/07
- [PULL 01/44] target/riscv: Update [m|h]tinst CSR in riscv_cpu_do_interrupt(), Alistair Francis, 2022/09/07
- [PULL 11/44] target/riscv: Simplify the check in hmode to reuse the check in riscv_csrrw_check, Alistair Francis, 2022/09/07
- [PULL 15/44] target/riscv: rvv: Add mask agnostic for vv instructions, Alistair Francis, 2022/09/07
- [PULL 14/44] docs: List kvm as a supported accelerator on RISC-V, Alistair Francis, 2022/09/07
- [PULL 16/44] target/riscv: rvv: Add mask agnostic for vector load / store instructions, Alistair Francis, 2022/09/07
- [PULL 17/44] target/riscv: rvv: Add mask agnostic for vx instructions, Alistair Francis, 2022/09/07
- [PULL 19/44] target/riscv: rvv: Add mask agnostic for vector integer comparison instructions, Alistair Francis, 2022/09/07