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target/xtensa: Convert to CPUClass::tlb_fill

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Cc: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-04-03 07:46:30 +07:00
parent c5d417da4a
commit b008c45612
3 changed files with 31 additions and 18 deletions
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5
target/xtensa/cpu.c
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@ -181,9 +181,8 @@ static void xtensa_cpu_class_init(ObjectClass *oc, void *data)
cc->gdb_read_register = xtensa_cpu_gdb_read_register;
cc->gdb_write_register = xtensa_cpu_gdb_write_register;
cc->gdb_stop_before_watchpoint = true;
#ifdef CONFIG_USER_ONLY
cc->handle_mmu_fault = xtensa_cpu_handle_mmu_fault;
#else
cc->tlb_fill = xtensa_cpu_tlb_fill;
#ifndef CONFIG_USER_ONLY
cc->do_unaligned_access = xtensa_cpu_do_unaligned_access;
cc->get_phys_page_debug = xtensa_cpu_get_phys_page_debug;
cc->do_transaction_failed = xtensa_cpu_do_transaction_failed;

5
target/xtensa/cpu.h
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@ -552,8 +552,9 @@ static inline XtensaCPU *xtensa_env_get_cpu(const CPUXtensaState *env)
#define ENV_OFFSET offsetof(XtensaCPU, env)
int xtensa_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw, int size,
int mmu_idx);
bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr);
void xtensa_cpu_do_interrupt(CPUState *cpu);
bool xtensa_cpu_exec_interrupt(CPUState *cpu, int interrupt_request);
void xtensa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr,

39
target/xtensa/helper.c
View File

@ -240,19 +240,21 @@ void xtensa_cpu_list(void)
#ifdef CONFIG_USER_ONLY
int xtensa_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
int mmu_idx)
bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr)
{
XtensaCPU *cpu = XTENSA_CPU(cs);
CPUXtensaState *env = &cpu->env;
qemu_log_mask(CPU_LOG_INT,
"%s: rw = %d, address = 0x%08" VADDR_PRIx ", size = %d\n",
__func__, rw, address, size);
__func__, access_type, address, size);
env->sregs[EXCVADDR] = address;
env->sregs[EXCCAUSE] = rw ? STORE_PROHIBITED_CAUSE : LOAD_PROHIBITED_CAUSE;
env->sregs[EXCCAUSE] = (access_type == MMU_DATA_STORE ?
STORE_PROHIBITED_CAUSE : LOAD_PROHIBITED_CAUSE);
cs->exception_index = EXC_USER;
return 1;
cpu_loop_exit_restore(cs, retaddr);
}
#else
@ -273,31 +275,42 @@ void xtensa_cpu_do_unaligned_access(CPUState *cs,
}
}
void tlb_fill(CPUState *cs, target_ulong vaddr, int size,
MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr)
{
XtensaCPU *cpu = XTENSA_CPU(cs);
CPUXtensaState *env = &cpu->env;
uint32_t paddr;
uint32_t page_size;
unsigned access;
int ret = xtensa_get_physical_addr(env, true, vaddr, access_type, mmu_idx,
&paddr, &page_size, &access);
int ret = xtensa_get_physical_addr(env, true, address, access_type,
mmu_idx, &paddr, &page_size, &access);
qemu_log_mask(CPU_LOG_MMU, "%s(%08x, %d, %d) -> %08x, ret = %d\n",
__func__, vaddr, access_type, mmu_idx, paddr, ret);
qemu_log_mask(CPU_LOG_MMU, "%s(%08" VADDR_PRIx
", %d, %d) -> %08x, ret = %d\n",
__func__, address, access_type, mmu_idx, paddr, ret);
if (ret == 0) {
tlb_set_page(cs,
vaddr & TARGET_PAGE_MASK,
address & TARGET_PAGE_MASK,
paddr & TARGET_PAGE_MASK,
access, mmu_idx, page_size);
return true;
} else if (probe) {
return false;
} else {
cpu_restore_state(cs, retaddr, true);
HELPER(exception_cause_vaddr)(env, env->pc, ret, vaddr);
HELPER(exception_cause_vaddr)(env, env->pc, ret, address);
}
}
void tlb_fill(CPUState *cs, target_ulong vaddr, int size,
MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
{
xtensa_cpu_tlb_fill(cs, vaddr, size, access_type, mmu_idx, false, retaddr);
}
void xtensa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr,
unsigned size, MMUAccessType access_type,
int mmu_idx, MemTxAttrs attrs,