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target/s390x: move psw_key_valid() to mem_helper.c 

Only used in that file.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170818114353.13455-12-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2017-08-18 13:43:46 +02:00 committed by Cornelia Huck
parent 12e1e8f1aa
commit c07a100966
2 changed files with 11 additions and 11 deletions
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11
target/s390x/cpu.h
View File

@ -366,17 +366,6 @@ void s390x_cpu_debug_excp_handler(CPUState *cs);
#define MMU_SECONDARY_IDX 1
#define MMU_HOME_IDX 2
static inline bool psw_key_valid(CPUS390XState *env, uint8_t psw_key)
{
uint16_t pkm = env->cregs[3] >> 16;
if (env->psw.mask & PSW_MASK_PSTATE) {
/* PSW key has range 0..15, it is valid if the bit is 1 in the PKM */
return pkm & (0x80 >> psw_key);
}
return true;
}
static inline int cpu_mmu_index(CPUS390XState *env, bool ifetch)
{
switch (env->psw.mask & PSW_MASK_ASC) {

11
target/s390x/mem_helper.c
View File

@ -56,6 +56,17 @@ void tlb_fill(CPUState *cs, target_ulong addr, MMUAccessType access_type,
#define HELPER_LOG(x...)
#endif
static inline bool psw_key_valid(CPUS390XState *env, uint8_t psw_key)
{
uint16_t pkm = env->cregs[3] >> 16;
if (env->psw.mask & PSW_MASK_PSTATE) {
/* PSW key has range 0..15, it is valid if the bit is 1 in the PKM */
return pkm & (0x80 >> psw_key);
}
return true;
}
/* Reduce the length so that addr + len doesn't cross a page boundary. */
static inline uint32_t adj_len_to_page(uint32_t len, uint64_t addr)
{