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Remove unassigned_access CPU hook 

All targets have now migrated away from the old unassigned_access
hook to the new do_transaction_failed hook. This means we can remove
the core-code infrastructure for that hook and the code that calls it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20191108173732.11816-1-peter.maydell@linaro.org
master
Peter Maydell 2019-11-11 13:44:16 +00:00
parent af2a580f7e
commit 894d354fd8
3 changed files with 0 additions and 33 deletions
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2
accel/tcg/cputlb.c
View File

@ -931,8 +931,6 @@ static uint64_t io_readx(CPUArchState *env, CPUIOTLBEntry *iotlbentry,
cpu_io_recompile(cpu, retaddr);
}
cpu->mem_io_access_type = access_type;
if (mr->global_locking && !qemu_mutex_iothread_locked()) {
qemu_mutex_lock_iothread();
locked = true;

24
include/hw/core/cpu.h
View File

@ -72,10 +72,6 @@ typedef enum MMUAccessType {
typedef struct CPUWatchpoint CPUWatchpoint;
typedef void (*CPUUnassignedAccess)(CPUState *cpu, hwaddr addr,
bool is_write, bool is_exec, int opaque,
unsigned size);
struct TranslationBlock;
/**
@ -87,8 +83,6 @@ struct TranslationBlock;
* @reset_dump_flags: #CPUDumpFlags to use for reset logging.
* @has_work: Callback for checking if there is work to do.
* @do_interrupt: Callback for interrupt handling.
* @do_unassigned_access: Callback for unassigned access handling.
* (this is deprecated: new targets should use do_transaction_failed instead)
* @do_unaligned_access: Callback for unaligned access handling, if
* the target defines #TARGET_ALIGNED_ONLY.
* @do_transaction_failed: Callback for handling failed memory transactions
@ -175,7 +169,6 @@ typedef struct CPUClass {
int reset_dump_flags;
bool (*has_work)(CPUState *cpu);
void (*do_interrupt)(CPUState *cpu);
CPUUnassignedAccess do_unassigned_access;
void (*do_unaligned_access)(CPUState *cpu, vaddr addr,
MMUAccessType access_type,
int mmu_idx, uintptr_t retaddr);
@ -415,12 +408,6 @@ struct CPUState {
* we store some rarely used information in the CPU context.
*/
uintptr_t mem_io_pc;
/*
* This is only needed for the legacy cpu_unassigned_access() hook;
* when all targets using it have been converted to use
* cpu_transaction_failed() instead it can be removed.
*/
MMUAccessType mem_io_access_type;
int kvm_fd;
struct KVMState *kvm_state;
@ -896,17 +883,6 @@ void cpu_interrupt(CPUState *cpu, int mask);
#ifdef NEED_CPU_H
#ifdef CONFIG_SOFTMMU
static inline void cpu_unassigned_access(CPUState *cpu, hwaddr addr,
bool is_write, bool is_exec,
int opaque, unsigned size)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (cc->do_unassigned_access) {
cc->do_unassigned_access(cpu, addr, is_write, is_exec, opaque, size);
}
}
static inline void cpu_unaligned_access(CPUState *cpu, vaddr addr,
MMUAccessType access_type,
int mmu_idx, uintptr_t retaddr)

7
memory.c
View File

@ -1257,10 +1257,6 @@ static uint64_t unassigned_mem_read(void *opaque, hwaddr addr,
#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem read " TARGET_FMT_plx "\n", addr);
#endif
if (current_cpu != NULL) {
bool is_exec = current_cpu->mem_io_access_type == MMU_INST_FETCH;
cpu_unassigned_access(current_cpu, addr, false, is_exec, 0, size);
}
return 0;
}
@ -1270,9 +1266,6 @@ static void unassigned_mem_write(void *opaque, hwaddr addr,
#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem write " TARGET_FMT_plx " = 0x%"PRIx64"\n", addr, val);
#endif
if (current_cpu != NULL) {
cpu_unassigned_access(current_cpu, addr, true, false, 0, size);
}
}
static bool unassigned_mem_accepts(void *opaque, hwaddr addr,