@@ -692,8 +692,8 @@ static inline int xtensa_get_cring(const CPUXtensaState *env)
int xtensa_get_physical_addr(CPUXtensaState *env, bool update_tlb,
uint32_t vaddr, int is_write, int mmu_idx,
uint32_t *paddr, uint32_t *page_size, unsigned *access);
-void reset_mmu(CPUXtensaState *env);
-void dump_mmu(CPUXtensaState *env);
+void xtensa_reset_mmu(CPUXtensaState *env);
+void xtensa_dump_mmu(CPUXtensaState *env);
static inline MemoryRegion *xtensa_get_er_region(CPUXtensaState *env)
{
@@ -130,7 +130,7 @@ static void xtensa_cpu_reset_hold(Object *obj)
env->exclusive_addr = -1;
#ifndef CONFIG_USER_ONLY
- reset_mmu(env);
+ xtensa_reset_mmu(env);
cs->halted = env->runstall;
#endif
set_no_signaling_nans(!dfpu, &env->fp_status);
@@ -139,7 +139,8 @@ static uint32_t xtensa_tlb_get_addr_mask(const CPUXtensaState *env,
* Get bit mask for the 'VPN without index' field.
* See ISA, 4.6.5.6, data format for RxTLB0
*/
-static uint32_t get_vpn_mask(const CPUXtensaState *env, bool dtlb, uint32_t way)
+static uint32_t xtensa_get_vpn_mask(const CPUXtensaState *env, bool dtlb,
+ uint32_t way)
{
if (way < 4) {
bool is32 = (dtlb ?
@@ -168,9 +169,10 @@ static uint32_t get_vpn_mask(const CPUXtensaState *env, bool dtlb, uint32_t way)
* Split virtual address into VPN (with index) and entry index
* for the given TLB way
*/
-static void split_tlb_entry_spec_way(const CPUXtensaState *env, uint32_t v,
- bool dtlb, uint32_t *vpn,
- uint32_t wi, uint32_t *ei)
+static void xtensa_split_tlb_entry_spec_way(const CPUXtensaState *env,
+ uint32_t v,
+ bool dtlb, uint32_t *vpn,
+ uint32_t wi, uint32_t *ei)
{
bool varway56 = dtlb ?
env->config->dtlb.varway56 :
@@ -224,13 +226,15 @@ static void split_tlb_entry_spec_way(const CPUXtensaState *env, uint32_t v,
* Split TLB address into TLB way, entry index and VPN (with index).
* See ISA, 4.6.5.5 - 4.6.5.8 for the TLB addressing format
*/
-static bool split_tlb_entry_spec(CPUXtensaState *env, uint32_t v, bool dtlb,
- uint32_t *vpn, uint32_t *wi, uint32_t *ei)
+static bool xtensa_split_tlb_entry_spec(CPUXtensaState *env,
+ uint32_t v, bool dtlb,
+ uint32_t *vpn, uint32_t *wi,
+ uint32_t *ei)
{
if (xtensa_option_enabled(env->config, XTENSA_OPTION_MMU)) {
*wi = v & (dtlb ? 0xf : 0x7);
if (*wi < (dtlb ? env->config->dtlb.nways : env->config->itlb.nways)) {
- split_tlb_entry_spec_way(env, v, dtlb, vpn, *wi, ei);
+ xtensa_split_tlb_entry_spec_way(env, v, dtlb, vpn, *wi, ei);
return true;
} else {
return false;
@@ -254,14 +258,14 @@ static xtensa_tlb_entry *xtensa_tlb_get_entry(CPUXtensaState *env, bool dtlb,
env->itlb[wi] + ei;
}
-static xtensa_tlb_entry *get_tlb_entry(CPUXtensaState *env,
+static xtensa_tlb_entry *xtensa_get_tlb_entry(CPUXtensaState *env,
uint32_t v, bool dtlb, uint32_t *pwi)
{
uint32_t vpn;
uint32_t wi;
uint32_t ei;
- if (split_tlb_entry_spec(env, v, dtlb, &vpn, &wi, &ei)) {
+ if (xtensa_split_tlb_entry_spec(env, v, dtlb, &vpn, &wi, &ei)) {
if (pwi) {
*pwi = wi;
}
@@ -405,7 +409,7 @@ static void reset_tlb_region_way0(CPUXtensaState *env,
}
}
-void reset_mmu(CPUXtensaState *env)
+void xtensa_reset_mmu(CPUXtensaState *env)
{
if (xtensa_option_enabled(env->config, XTENSA_OPTION_MMU)) {
env->sregs[RASID] = 0x04030201;
@@ -470,7 +474,7 @@ static int xtensa_tlb_lookup(const CPUXtensaState *env,
for (wi = 0; wi < tlb->nways; ++wi) {
uint32_t vpn;
uint32_t ei;
- split_tlb_entry_spec_way(env, addr, dtlb, &vpn, wi, &ei);
+ xtensa_split_tlb_entry_spec_way(env, addr, dtlb, &vpn, wi, &ei);
if (entry[wi][ei].vaddr == vpn && entry[wi][ei].asid) {
unsigned ring = get_ring(env, entry[wi][ei].asid);
if (ring < 4) {
@@ -493,10 +497,11 @@ uint32_t HELPER(rtlb0)(CPUXtensaState *env, uint32_t v, uint32_t dtlb)
{
if (xtensa_option_enabled(env->config, XTENSA_OPTION_MMU)) {
uint32_t wi;
- const xtensa_tlb_entry *entry = get_tlb_entry(env, v, dtlb, &wi);
+ const xtensa_tlb_entry *entry = xtensa_get_tlb_entry(env, v, dtlb, &wi);
if (entry) {
- return (entry->vaddr & get_vpn_mask(env, dtlb, wi)) | entry->asid;
+ return (entry->vaddr & xtensa_get_vpn_mask(env, dtlb, wi))
+ | entry->asid;
} else {
return 0;
}
@@ -507,7 +512,7 @@ uint32_t HELPER(rtlb0)(CPUXtensaState *env, uint32_t v, uint32_t dtlb)
uint32_t HELPER(rtlb1)(CPUXtensaState *env, uint32_t v, uint32_t dtlb)
{
- const xtensa_tlb_entry *entry = get_tlb_entry(env, v, dtlb, NULL);
+ const xtensa_tlb_entry *entry = xtensa_get_tlb_entry(env, v, dtlb, NULL);
if (entry) {
return entry->paddr | entry->attr;
@@ -520,7 +525,7 @@ void HELPER(itlb)(CPUXtensaState *env, uint32_t v, uint32_t dtlb)
{
if (xtensa_option_enabled(env->config, XTENSA_OPTION_MMU)) {
uint32_t wi;
- xtensa_tlb_entry *entry = get_tlb_entry(env, v, dtlb, &wi);
+ xtensa_tlb_entry *entry = xtensa_get_tlb_entry(env, v, dtlb, &wi);
if (entry && entry->variable && entry->asid) {
tlb_flush_page(env_cpu(env), entry->vaddr);
entry->asid = 0;
@@ -559,7 +564,7 @@ void HELPER(wtlb)(CPUXtensaState *env, uint32_t p, uint32_t v, uint32_t dtlb)
uint32_t vpn;
uint32_t wi;
uint32_t ei;
- if (split_tlb_entry_spec(env, v, dtlb, &vpn, &wi, &ei)) {
+ if (xtensa_split_tlb_entry_spec(env, v, dtlb, &vpn, &wi, &ei)) {
xtensa_tlb_set_entry(env, dtlb, wi, ei, vpn, p);
}
}
@@ -818,7 +823,7 @@ static int get_physical_addr_mmu(CPUXtensaState *env, bool update_tlb,
may_lookup_pt && get_pte(env, vaddr, &pte)) {
ring = (pte >> 4) & 0x3;
wi = 0;
- split_tlb_entry_spec_way(env, vaddr, dtlb, &vpn, wi, &ei);
+ xtensa_split_tlb_entry_spec_way(env, vaddr, dtlb, &vpn, wi, &ei);
if (update_tlb) {
wi = ++env->autorefill_idx & 0x3;
@@ -1192,7 +1197,7 @@ static void dump_mpu(CPUXtensaState *env,
}
}
-void dump_mmu(CPUXtensaState *env)
+void xtensa_dump_mmu(CPUXtensaState *env)
{
if (xtensa_option_bits_enabled(env->config,
XTENSA_OPTION_BIT(XTENSA_OPTION_REGION_PROTECTION) |
@@ -35,5 +35,5 @@ void hmp_info_tlb(Monitor *mon, const QDict *qdict)
monitor_printf(mon, "No CPU available\n");
return;
}
- dump_mmu(env1);
+ xtensa_dump_mmu(env1);
}
In order to extract the MMU API to a new "mmu.h" header, prefix it with the target name. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- target/xtensa/cpu.h | 4 ++-- target/xtensa/cpu.c | 2 +- target/xtensa/mmu_helper.c | 41 +++++++++++++++++++++----------------- target/xtensa/monitor.c | 2 +- 4 files changed, 27 insertions(+), 22 deletions(-)