[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PULL 10/23] target/riscv: Change "G" expansion
|
From: |
Alistair Francis |
|
Subject: |
[PULL 10/23] target/riscv: Change "G" expansion |
|
Date: |
Wed, 25 May 2022 08:44:15 +1000 |
From: Tsukasa OI <research_trasio@irq.a4lg.com>
On ISA version 20190608 or later, "G" expands to "IMAFD_Zicsr_Zifencei".
Both "Zicsr" and "Zifencei" are enabled by default and "G" is supposed to
be (virtually) enabled as well, it should be safe to change its expansion.
Signed-off-by: Tsukasa OI <research_trasio@irq.a4lg.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id:
<d1b5be550a2893a0fd32c928f832d2ff7bfafe35.1652583332.git.research_trasio@irq.a4lg.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/cpu.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 1fb76b4295..4ca6a8623f 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -598,13 +598,16 @@ static void riscv_cpu_realize(DeviceState *dev, Error
**errp)
if (cpu->cfg.ext_g && !(cpu->cfg.ext_i && cpu->cfg.ext_m &&
cpu->cfg.ext_a && cpu->cfg.ext_f &&
- cpu->cfg.ext_d)) {
- warn_report("Setting G will also set IMAFD");
+ cpu->cfg.ext_d &&
+ cpu->cfg.ext_icsr && cpu->cfg.ext_ifencei)) {
+ warn_report("Setting G will also set IMAFD_Zicsr_Zifencei");
cpu->cfg.ext_i = true;
cpu->cfg.ext_m = true;
cpu->cfg.ext_a = true;
cpu->cfg.ext_f = true;
cpu->cfg.ext_d = true;
+ cpu->cfg.ext_icsr = true;
+ cpu->cfg.ext_ifencei = true;
}
if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinx ||
--
2.35.3
- [PULL 00/23] riscv-to-apply queue, Alistair Francis, 2022/05/24
- [PULL 01/23] target/riscv: Fix VS mode hypervisor CSR access, Alistair Francis, 2022/05/24
- [PULL 02/23] target/riscv: rvv: Fix early exit condition for whole register load/store, Alistair Francis, 2022/05/24
- [PULL 03/23] hw/intc: Pass correct hartid while updating mtimecmp, Alistair Francis, 2022/05/24
- [PULL 04/23] target/riscv: Move Zhinx* extensions on ISA string, Alistair Francis, 2022/05/24
- [PULL 05/23] target/riscv: Add short-isa-string option, Alistair Francis, 2022/05/24
- [PULL 06/23] hw/riscv: Make CPU config error handling generous (virt/spike), Alistair Francis, 2022/05/24
- [PULL 07/23] hw/riscv: Make CPU config error handling generous (sifive_e/u/opentitan), Alistair Francis, 2022/05/24
- [PULL 08/23] target/riscv: Fix coding style on "G" expansion, Alistair Francis, 2022/05/24
- [PULL 09/23] target/riscv: Disable "G" by default, Alistair Francis, 2022/05/24
- [PULL 10/23] target/riscv: Change "G" expansion,
Alistair Francis <=
- [PULL 13/23] hw/vfio/pci-quirks: Resolve redundant property getters, Alistair Francis, 2022/05/24
- [PULL 12/23] target/riscv: Move/refactor ISA extension checks, Alistair Francis, 2022/05/24
- [PULL 14/23] hw/riscv/sifive_u: Resolve redundant property accessors, Alistair Francis, 2022/05/24
- [PULL 15/23] target/riscv: check 'I' and 'E' after checking 'G' in riscv_cpu_realize, Alistair Francis, 2022/05/24
- [PULL 16/23] target/riscv: Fix typo of mimpid cpu option, Alistair Francis, 2022/05/24
- [PULL 17/23] target/riscv: Fix csr number based privilege checking, Alistair Francis, 2022/05/24
- [PULL 18/23] target/riscv: Fix hstatus.GVA bit setting for traps taken from HS-mode, Alistair Francis, 2022/05/24
- [PULL 19/23] target/riscv: Set [m|s]tval for both illegal and virtual instruction traps, Alistair Francis, 2022/05/24
- [PULL 20/23] hw/riscv: virt: Fix interrupt parent for dynamic platform devices, Alistair Francis, 2022/05/24
- [PULL 21/23] target/riscv: add zicsr/zifencei to isa_string, Alistair Francis, 2022/05/24