unicorn/qemu/target/riscv
Hesham Almatary 614c2954b0
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).

Backports commit cc0fdb298517ce56c770803447f8b02a90271152 from qemu
2019-08-08 16:52:57 -04:00
..
insn_trans target/riscv: Split gen_arith_imm into functional and temp 2019-05-28 19:07:53 -04:00
cpu-param.h tcg: Split out target/arch/cpu-param.h 2019-06-10 19:35:46 -04:00
cpu.c target/riscv: Implement riscv_cpu_unassigned_access 2019-08-08 16:48:02 -04:00
cpu.h target/riscv: Implement riscv_cpu_unassigned_access 2019-08-08 16:48:02 -04:00
cpu_bits.h Supply missing header guards 2019-06-12 10:59:10 -04:00
cpu_helper.c RISC-V: Check for the effective memory privilege mode during PMP checks 2019-08-08 16:52:57 -04:00
cpu_user.h Supply missing header guards 2019-06-12 10:59:10 -04:00
csr.c target/riscv: Use env_cpu, env_archcpu 2019-06-12 12:06:19 -04:00
fpu_helper.c target/riscv: Initial introduction of the RISC-V target 2019-03-08 21:46:10 -05:00
helper.h target/riscv: Initial introduction of the RISC-V target 2019-03-08 21:46:10 -05:00
insn16-32.decode target/riscv: Split RVC32 and RVC64 insns into separate files 2019-05-28 19:00:23 -04:00
insn16-64.decode target/riscv: Add checks for several RVC reserved operands 2019-05-28 19:20:36 -04:00
insn16.decode target/riscv: Add checks for several RVC reserved operands 2019-05-28 19:20:36 -04:00
insn32-64.decode target/riscv: Convert RV64D insns to decodetree 2019-03-18 16:57:16 -04:00
insn32.decode target/riscv: Name the argument sets for all of insn32 formats 2019-05-28 18:36:53 -04:00
instmap.h Supply missing header guards 2019-06-12 10:59:10 -04:00
Makefile.objs target/riscv: Split RVC32 and RVC64 insns into separate files 2019-05-28 19:00:23 -04:00
op_helper.c target/riscv: Use env_cpu, env_archcpu 2019-06-12 12:06:19 -04:00
pmp.c RISC-V: Check for the effective memory privilege mode during PMP checks 2019-08-08 16:52:57 -04:00
pmp.h RISC-V: Check for the effective memory privilege mode during PMP checks 2019-08-08 16:52:57 -04:00
translate.c target/riscv: Split gen_arith_imm into functional and temp 2019-05-28 19:07:53 -04:00
unicorn.c target/riscv: Initial introduction of the RISC-V target 2019-03-08 21:46:10 -05:00
unicorn.h target/riscv: Initial introduction of the RISC-V target 2019-03-08 21:46:10 -05:00