[PATCH 01/20] target/arm: Convert get_phys_addr_v5 to access_perm

[Richard Henderson <richard.henderson@linaro.org>]

Begin conversion of get_phys_addr and all subroutines
from MMUAccessType to a mask of required permissions.
Notably, access_perm may be 0 in order to disable the
permissions check.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/ptw.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/target/arm/ptw.c b/target/arm/ptw.c
index 561bf2678e..760387b4da 100644
--- a/target/arm/ptw.c
+++ b/target/arm/ptw.c
@@ -979,7 +979,7 @@ static int simple_ap_to_rw_prot(CPUARMState *env, ARMMMUIdx mmu_idx, int ap)
 }
 
 static bool get_phys_addr_v5(CPUARMState *env, S1Translate *ptw,
-                             uint32_t address, MMUAccessType access_type,
+                             uint32_t address, unsigned access_perm,
                              GetPhysAddrResult *result, ARMMMUFaultInfo *fi)
 {
     int level = 1;
@@ -1089,7 +1089,7 @@ static bool get_phys_addr_v5(CPUARMState *env, S1Translate *ptw,
     }
     result->f.prot = ap_to_rw_prot(env, ptw->in_mmu_idx, ap, domain_prot);
     result->f.prot |= result->f.prot ? PAGE_EXEC : 0;
-    if (!(result->f.prot & (1 << access_type))) {
+    if (access_perm & ~result->f.prot) {
         /* Access permission fault.  */
         fi->type = ARMFault_Permission;
         goto do_fault;
@@ -3515,7 +3515,7 @@ static bool get_phys_addr_nogpc(CPUARMState *env, S1Translate *ptw,
                regime_sctlr(env, mmu_idx) & SCTLR_XP) {
         return get_phys_addr_v6(env, ptw, address, access_type, result, fi);
     } else {
-        return get_phys_addr_v5(env, ptw, address, access_type, result, fi);
+        return get_phys_addr_v5(env, ptw, address, 1 << access_type, result, fi);
     }
 }
 
-- 
2.43.0