diff options
| author | Leandro Lupori <leandro.lupori@eldorado.org.br> | 2022-03-14 15:57:17 +0100 |
|---|---|---|
| committer | Cédric Le Goater <clg@kaod.org> | 2022-03-14 15:57:17 +0100 |
| commit | c6242335b3ff504a552ceba18c8b8ab9dc684a77 (patch) | |
| tree | 97190327ea3aae7486c9d30c2fef4087c64d9151 | |
| parent | b719411673386187862218892f21b3974987f9c3 (diff) | |
target/ppc: fix ISI fault cause for Radix MMU
Fix Instruction Storage Interrupt (ISI) fault cause for Radix MMU,
when caused by missing PAGE_EXEC permission, to be
SRR1_NOEXEC_GUARD instead of DSISR_PROTFAULT.
This matches POWER9 hardware behavior.
Fixes: d5fee0bbe68 ("target/ppc: Implement ISA V3.00 radix page fault handler")
Signed-off-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Message-Id: <20220309192756.145283-1-leandro.lupori@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
| -rw-r--r-- | target/ppc/mmu-radix64.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/target/ppc/mmu-radix64.c b/target/ppc/mmu-radix64.c index 67c38f065b..5414fd63c1 100644 --- a/target/ppc/mmu-radix64.c +++ b/target/ppc/mmu-radix64.c @@ -204,7 +204,8 @@ static bool ppc_radix64_check_prot(PowerPCCPU *cpu, MMUAccessType access_type, /* Check if requested access type is allowed */ need_prot = prot_for_access_type(access_type); if (need_prot & ~*prot) { /* Page Protected for that Access */ - *fault_cause |= DSISR_PROTFAULT; + *fault_cause |= access_type == MMU_INST_FETCH ? SRR1_NOEXEC_GUARD : + DSISR_PROTFAULT; return true; } |