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target/ppc: Convert to CPUClass::tlb_fill

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Cc: qemu-ppc@nongnu.org
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-04-02 17:03:41 +07:00
parent 35e911ae2f
commit 351bc97ecf
4 changed files with 26 additions and 22 deletions
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7
target/ppc/cpu.h
View File

@ -1311,10 +1311,9 @@ void ppc_translate_init(void);
* is returned if the signal was handled by the virtual CPU.
*/
int cpu_ppc_signal_handler(int host_signum, void *pinfo, void *puc);
#if defined(CONFIG_USER_ONLY)
int ppc_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int size, int rw,
int mmu_idx);
#endif
bool ppc_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr);
#if !defined(CONFIG_USER_ONLY)
void ppc_store_sdr1(CPUPPCState *env, target_ulong value);

22
target/ppc/mmu_helper.c
View File

@ -3057,15 +3057,9 @@ void helper_check_tlb_flush_global(CPUPPCState *env)
/*****************************************************************************/
/*
* try to fill the TLB and return an exception if error. If retaddr is
* NULL, it means that the function was called in C code (i.e. not
* from generated code or from helper.c)
*
* XXX: fix it to restore all registers
*/
void tlb_fill(CPUState *cs, target_ulong addr, int size,
MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
bool ppc_cpu_tlb_fill(CPUState *cs, vaddr addr, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr)
{
PowerPCCPU *cpu = POWERPC_CPU(cs);
PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);
@ -3078,7 +3072,17 @@ void tlb_fill(CPUState *cs, target_ulong addr, int size,
ret = cpu_ppc_handle_mmu_fault(env, addr, access_type, mmu_idx);
}
if (unlikely(ret != 0)) {
if (probe) {
return false;
}
raise_exception_err_ra(env, cs->exception_index, env->error_code,
retaddr);
}
return true;
}
void tlb_fill(CPUState *cs, target_ulong addr, int size,
MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
{
ppc_cpu_tlb_fill(cs, addr, size, access_type, mmu_idx, false, retaddr);
}

5
target/ppc/translate_init.inc.c
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@ -10592,9 +10592,7 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data)
cc->gdb_read_register = ppc_cpu_gdb_read_register;
cc->gdb_write_register = ppc_cpu_gdb_write_register;
cc->do_unaligned_access = ppc_cpu_do_unaligned_access;
#ifdef CONFIG_USER_ONLY
cc->handle_mmu_fault = ppc_cpu_handle_mmu_fault;
#else
#ifndef CONFIG_USER_ONLY
cc->get_phys_page_debug = ppc_cpu_get_phys_page_debug;
cc->vmsd = &vmstate_ppc_cpu;
#endif
@ -10624,6 +10622,7 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data)
#endif
#ifdef CONFIG_TCG
cc->tcg_initialize = ppc_translate_init;
cc->tlb_fill = ppc_cpu_tlb_fill;
#endif
cc->disas_set_info = ppc_disas_set_info;

14
target/ppc/user_only_helper.c
View File

@ -20,21 +20,24 @@
#include "qemu/osdep.h"
#include "cpu.h"
#include "exec/exec-all.h"
int ppc_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
int mmu_idx)
bool ppc_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
MMUAccessType access_type, int mmu_idx,
bool probe, uintptr_t retaddr)
{
PowerPCCPU *cpu = POWERPC_CPU(cs);
CPUPPCState *env = &cpu->env;
int exception, error_code;
if (rw == 2) {
if (access_type == MMU_INST_FETCH) {
exception = POWERPC_EXCP_ISI;
error_code = 0x40000000;
} else {
exception = POWERPC_EXCP_DSI;
error_code = 0x40000000;
if (rw) {
if (access_type == MMU_DATA_STORE) {
error_code |= 0x02000000;
}
env->spr[SPR_DAR] = address;
@ -42,6 +45,5 @@ int ppc_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
}
cs->exception_index = exception;
env->error_code = error_code;
return 1;
cpu_loop_exit_restore(cs, retaddr);
}