target/ppc: Pass const pointer to ppc_radix64_get_prot_amr()

This doesn't require write access to the CPU structure.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158941060817.240484.14621015211317485106.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

diff --git a/target/ppc/mmu-radix64.h b/target/ppc/mmu-radix64.h
index 96228546aa853de5d9cda7a3164178dcdec70542..f28c5794d071aca2b1aa56e209418360c2cd28ee 100644 (file)
--- a/target/ppc/mmu-radix64.h
+++ b/target/ppc/mmu-radix64.h
@@ -55,9 +55,9 @@ static inline int ppc_radix64_get_prot_eaa(uint64_t pte)
            (pte & R_PTE_EAA_X ? PAGE_EXEC : 0);
 }
 
-static inline int ppc_radix64_get_prot_amr(PowerPCCPU *cpu)
+static inline int ppc_radix64_get_prot_amr(const PowerPCCPU *cpu)
 {
-    CPUPPCState *env = &cpu->env;
+    const CPUPPCState *env = &cpu->env;
     int amr = env->spr[SPR_AMR] >> 62; /* We only care about key0 AMR63:62 */
     int iamr = env->spr[SPR_IAMR] >> 62; /* We only care about key0 IAMR63:62 */