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target/hppa: Drop tlb_entry return from hppa_get_physical_address 

The return-by-reference is never used.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-04-13 16:50:58 -07:00
parent d8bc138125
commit 190d7fa572
4 changed files with 7 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
target/hppa/cpu.h
View File

@ -371,8 +371,7 @@ bool hppa_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
void hppa_cpu_do_interrupt(CPUState *cpu);
bool hppa_cpu_exec_interrupt(CPUState *cpu, int int_req);
int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx,
int type, hwaddr *pphys, int *pprot,
HPPATLBEntry **tlb_entry);
int type, hwaddr *pphys, int *pprot);
void hppa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
vaddr addr, unsigned size,
MMUAccessType access_type,

2
target/hppa/int_helper.c
View File

@ -167,7 +167,7 @@ void hppa_cpu_do_interrupt(CPUState *cs)
vaddr = hppa_form_gva_psw(old_psw, env->iasq_f, vaddr);
t = hppa_get_physical_address(env, vaddr, MMU_KERNEL_IDX,
0, &paddr, &prot, NULL);
0, &paddr, &prot);
if (t >= 0) {
/* We can't re-load the instruction. */
env->cr[CR_IIR] = 0;

19
target/hppa/mem_helper.c
View File

@ -197,18 +197,13 @@ static int match_prot_id64(CPUHPPAState *env, uint32_t access_id)
}
int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx,
int type, hwaddr *pphys, int *pprot,
HPPATLBEntry **tlb_entry)
int type, hwaddr *pphys, int *pprot)
{
hwaddr phys;
int prot, r_prot, w_prot, x_prot, priv;
HPPATLBEntry *ent;
int ret = -1;
if (tlb_entry) {
*tlb_entry = NULL;
}
/* Virtual translation disabled. Map absolute to physical. */
if (MMU_IDX_MMU_DISABLED(mmu_idx)) {
switch (mmu_idx) {
@ -238,10 +233,6 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx,
goto egress;
}
if (tlb_entry) {
*tlb_entry = ent;
}
/* We now know the physical address. */
phys = ent->pa + (addr - ent->itree.start);
@ -350,7 +341,7 @@ hwaddr hppa_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
cpu->env.psw & PSW_W ? MMU_ABS_W_IDX : MMU_ABS_IDX);
excp = hppa_get_physical_address(&cpu->env, addr, mmu_idx, 0,
&phys, &prot, NULL);
&phys, &prot);
/* Since we're translating for debugging, the only error that is a
hard error is no translation at all. Otherwise, while a real cpu
@ -432,7 +423,6 @@ bool hppa_cpu_tlb_fill(CPUState *cs, vaddr addr, int size,
{
HPPACPU *cpu = HPPA_CPU(cs);
CPUHPPAState *env = &cpu->env;
HPPATLBEntry *ent;
int prot, excp, a_prot;
hwaddr phys;
@ -448,8 +438,7 @@ bool hppa_cpu_tlb_fill(CPUState *cs, vaddr addr, int size,
break;
}
excp = hppa_get_physical_address(env, addr, mmu_idx,
a_prot, &phys, &prot, &ent);
excp = hppa_get_physical_address(env, addr, mmu_idx, a_prot, &phys, &prot);
if (unlikely(excp >= 0)) {
if (probe) {
return false;
@ -690,7 +679,7 @@ target_ulong HELPER(lpa)(CPUHPPAState *env, target_ulong addr)
int prot, excp;
excp = hppa_get_physical_address(env, addr, MMU_KERNEL_IDX, 0,
&phys, &prot, NULL);
&phys, &prot);
if (excp >= 0) {
if (excp == EXCP_DTLB_MISS) {
excp = EXCP_NA_DTLB_MISS;

3
target/hppa/op_helper.c
View File

@ -334,8 +334,7 @@ target_ulong HELPER(probe)(CPUHPPAState *env, target_ulong addr,
}
mmu_idx = PRIV_P_TO_MMU_IDX(level, env->psw & PSW_P);
excp = hppa_get_physical_address(env, addr, mmu_idx, 0, &phys,
&prot, NULL);
excp = hppa_get_physical_address(env, addr, mmu_idx, 0, &phys, &prot);
if (excp >= 0) {
cpu_restore_state(env_cpu(env), GETPC());
hppa_set_ior_and_isr(env, addr, MMU_IDX_MMU_DISABLED(mmu_idx));