qemu/target/riscv
Hesham Almatary cc0fdb2985
RISC-V: Check for the effective memory privilege mode during PMP checks
The current PMP check function checks for env->priv which is not the effective
memory privilege mode.

For example, mstatus.MPRV could be set while executing in M-Mode, and in that
case the privilege mode for the PMP check should be S-Mode rather than M-Mode
(in env->priv) if mstatus.MPP == PRV_S.

This patch passes the effective memory privilege mode to the PMP check.
Functions that call the PMP check should pass the correct memory privilege mode
after reading mstatus' MPRV/MPP or hstatus.SPRV (if Hypervisor mode exists).

Suggested-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Hesham Almatary <Hesham.Almatary@cl.cam.ac.uk>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-06-23 23:44:41 -07:00
..
insn_trans target/riscv: Split gen_arith_imm into functional and temp 2019-05-24 12:09:23 -07:00
cpu_bits.h Supply missing header guards 2019-06-12 13:20:21 +02:00
cpu_helper.c RISC-V: Check for the effective memory privilege mode during PMP checks 2019-06-23 23:44:41 -07:00
cpu_user.h Supply missing header guards 2019-06-12 13:20:21 +02:00
cpu-param.h tcg: Split out target/arch/cpu-param.h 2019-06-10 07:03:34 -07:00
cpu.c target/riscv: Implement riscv_cpu_unassigned_access 2019-06-23 23:44:41 -07:00
cpu.h target/riscv: Implement riscv_cpu_unassigned_access 2019-06-23 23:44:41 -07:00
csr.c target/riscv: Use env_cpu, env_archcpu 2019-06-10 07:03:42 -07:00
fpu_helper.c RISC-V: Use riscv prefix consistently on cpu helpers 2019-02-11 15:56:21 -08:00
gdbstub.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
helper.h
insn16-32.decode target/riscv: Split RVC32 and RVC64 insns into separate files 2019-05-24 12:09:22 -07:00
insn16-64.decode target/riscv: Add checks for several RVC reserved operands 2019-05-24 12:09:25 -07:00
insn16.decode target/riscv: Add checks for several RVC reserved operands 2019-05-24 12:09:25 -07:00
insn32-64.decode target/riscv: Convert RV64D insns to decodetree 2019-03-13 10:34:06 +01:00
insn32.decode target/riscv: Name the argument sets for all of insn32 formats 2019-05-24 12:09:22 -07:00
instmap.h Supply missing header guards 2019-06-12 13:20:21 +02:00
Makefile.objs target/riscv: Split RVC32 and RVC64 insns into separate files 2019-05-24 12:09:22 -07:00
op_helper.c target/riscv: Use env_cpu, env_archcpu 2019-06-10 07:03:42 -07:00
pmp.c RISC-V: Check for the effective memory privilege mode during PMP checks 2019-06-23 23:44:41 -07:00
pmp.h RISC-V: Check for the effective memory privilege mode during PMP checks 2019-06-23 23:44:41 -07:00
trace-events RISC-V: Convert trap debugging to trace events 2019-03-19 05:14:40 -07:00
translate.c target/riscv: Split gen_arith_imm into functional and temp 2019-05-24 12:09:23 -07:00