motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 00:03:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/riscv: Add support for mconfigptr

Browse source 
RISC-V privileged specification v1.12 introduced a mconfigptr
which will hold the physical address of a configuration data
structure. As Qemu doesn't have a configuration data structure,
is read as zero which is valid as per the priv spec.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Message-Id: <20220303185440.512391-5-atishp@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Atish Patra 2022-03-03 10:54:38 -08:00 • committed by Alistair Francis
parent a4b2fa4331
commit 3e6a417c8a
2 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
target/riscv/cpu_bits.h
View file

@ -148,6 +148,7 @@
#define CSR_MARCHID 0xf12
#define CSR_MIMPID 0xf13
#define CSR_MHARTID 0xf14
#define CSR_MCONFIGPTR 0xf15
/* Machine Trap Setup */
#define CSR_MSTATUS 0x300