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[PULL,10/32] RISC-V: Fix a PMP check with the correct access size

Message ID 20190703084048.6980-11-palmer@sifive.com (mailing list archive)
State New, archived
Headers show
Series [PULL] RISC-V Patches for the 4.1 Soft Freeze, Part 2 v3 | expand

Commit Message

Palmer Dabbelt July 3, 2019, 8:40 a.m. UTC 
From: Hesham Almatary <Hesham.Almatary@cl.cam.ac.uk>

The PMP check should be of the memory access size rather
than TARGET_PAGE_SIZE.

Signed-off-by: Hesham Almatary <Hesham.Almatary@cl.cam.ac.uk>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
---
 target/riscv/cpu_helper.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 66be83210f11..e1b079e69c60 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -452,8 +452,7 @@  bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
 
     if (riscv_feature(env, RISCV_FEATURE_PMP) &&
         (ret == TRANSLATE_SUCCESS) &&
-        !pmp_hart_has_privs(env, pa, TARGET_PAGE_SIZE, 1 << access_type,
-        mode)) {
+        !pmp_hart_has_privs(env, pa, size, 1 << access_type, mode)) {
         ret = TRANSLATE_PMP_FAIL;
     }
     if (ret == TRANSLATE_PMP_FAIL) {