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dc7b599332
qemu/target/riscv
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Weiwei Li dc7b599332 target/riscv: Update pmp_get_tlb_size() 
PMP entries before (including) the matched PMP entry may only cover partial
of the TLB page, and this may split the page into regions with different
permissions. Such as for PMP0 (0x80000008~0x8000000F, R) and PMP1 (0x80000000~
0x80000FFF, RWX), write access to 0x80000000 will match PMP1. However we cannot
cache the translation result in the TLB since this will make the write access
to 0x80000008 bypass the check of PMP0. So we should check all of them instead
of the matched PMP entry in pmp_get_tlb_size() and set the tlb_size to 1 in
this case.
Set tlb_size to TARGET_PAGE_SIZE if PMP is not support or there is no PMP rules.

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230517091519.34439-2-liweiwei@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2023-06-13 17:06:39 +10:00
..
insn_trans target/riscv: Update check for Zca/Zcf/Zcd 2023-06-13 17:01:30 +10:00
arch_dump.c target/riscv: Fix format for comments 2023-05-05 10:49:50 +10:00
bitmanip_helper.c target/riscv: rvk: add support for zbkx extension 2022-04-29 10:47:45 +10:00
common-semi-target.h semihosting: Split out common-semi-target.h 2022-06-28 04:35:07 +05:30
cpu_bits.h riscv: Make sure an exception is raised if a pte is malformed 2023-05-05 10:49:50 +10:00
cpu_helper.c target/riscv: Update pmp_get_tlb_size() 2023-06-13 17:06:39 +10:00
cpu_user.h Supply missing header guards 2019-06-12 13:20:21 +02:00
cpu_vendorid.h target/riscv: add Ventana's Veyron V1 CPU 2023-05-05 10:49:50 +10:00
cpu-param.h target/riscv: Remove NB_MMU_MODES define 2023-03-13 06:44:37 -07:00
cpu-qom.h target/riscv: add Ventana's Veyron V1 CPU 2023-05-05 10:49:50 +10:00
cpu.c target/riscv: rework write_misa() 2023-06-13 17:05:42 +10:00
cpu.h target/riscv: rework write_misa() 2023-06-13 17:05:42 +10:00
crypto_helper.c target/riscv: rvk: add support for zksed/zksh extension 2022-04-29 10:47:45 +10:00
csr.c target/riscv: rework write_misa() 2023-06-13 17:05:42 +10:00
debug.c target/riscv: Fix lines with over 80 characters 2023-05-05 10:49:50 +10:00
debug.h target/riscv: Add itrigger support when icount is enabled 2023-01-06 10:42:55 +10:00
fpu_helper.c target/riscv: Fix format for indentation 2023-05-05 10:49:50 +10:00
gdbstub.c target/riscv: Use PRV_RESERVED instead of PRV_H 2023-05-05 10:49:50 +10:00
helper.h target/riscv: Handle HLV, HSV via helpers 2023-05-05 10:49:50 +10:00
insn16.decode target/riscv: add support for Zcmt extension 2023-05-05 10:49:50 +10:00
insn32.decode target/riscv: add Zicbop cbo.prefetch{i, r, m} placeholder 2023-03-05 11:49:43 -08:00
instmap.h target/riscv: Update [m|h]tinst CSR in riscv_cpu_do_interrupt() 2022-09-07 09:18:32 +02:00
internals.h target/riscv: Introduce mmuidx_2stage 2023-05-05 10:49:50 +10:00
Kconfig meson: Introduce target-specific Kconfig 2021-07-09 18:21:34 +02:00
kvm_riscv.h target/riscv: Support setting external interrupt by KVM 2022-01-21 15:52:56 +10:00
kvm-stub.c target/riscv: Support setting external interrupt by KVM 2022-01-21 15:52:56 +10:00
kvm.c target/riscv: fix SBI getchar handler for KVM 2023-02-07 08:19:23 +10:00
m128_helper.c target/riscv: Fix format for indentation 2023-05-05 10:49:50 +10:00
machine.c target/riscv: Fix format for indentation 2023-05-05 10:49:50 +10:00
meson.build target/riscv: add query-cpy-definitions support 2023-05-05 10:49:50 +10:00
monitor.c target/riscv: remove RISCV_FEATURE_MMU 2023-03-01 13:47:15 -08:00
op_helper.c target/riscv: Check SUM in the correct register 2023-05-05 10:49:50 +10:00
pmp.c target/riscv: Update pmp_get_tlb_size() 2023-06-13 17:06:39 +10:00
pmp.h target/riscv: Update pmp_get_tlb_size() 2023-06-13 17:06:39 +10:00
pmu.c target/riscv: Fix lines with over 80 characters 2023-05-05 10:49:50 +10:00
pmu.h riscv: Clean up includes 2023-02-08 07:28:05 +01:00
riscv-qmp-cmds.c target/riscv: add TYPE_RISCV_DYNAMIC_CPU 2023-05-05 10:49:50 +10:00
sbi_ecall_interface.h target/riscv: Fix format for comments 2023-05-05 10:49:50 +10:00
time_helper.c target/riscv: Simplify type conversion for CPURISCVState 2023-05-05 10:49:49 +10:00
time_helper.h target/riscv: Simplify type conversion for CPURISCVState 2023-05-05 10:49:49 +10:00
trace-events target/riscv: Add ePMP CSR access functions 2021-05-11 20:02:06 +10:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
translate.c target/riscv: Update check for Zca/Zcf/Zcd 2023-06-13 17:01:30 +10:00
vector_helper.c target/riscv/vector_helper.c: skip set tail when vta is zero 2023-06-13 16:35:02 +10:00
xthead.decode RISC-V: Adding XTheadFmv ISA extension 2023-02-07 08:19:23 +10:00
XVentanaCondOps.decode target/riscv: Add XVentanaCondOps custom extension 2022-02-16 12:24:18 +10:00
zce_helper.c target/riscv: add support for Zcmt extension 2023-05-05 10:49:50 +10:00