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softmmu: make do_unaligned_access a method of CPU 

We will reference it from more files in the next patch.  To avoid
ruining the small steps we're making towards multi-target, make
it a method of CPU rather than just a global.

Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-03-28 18:14:58 +01:00
parent ca0aa40816
commit 93e22326d6
14 changed files with 63 additions and 37 deletions
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30
include/exec/softmmu_template.h
View File

@ -155,7 +155,8 @@ WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
!= (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
mmu_idx, retaddr);
}
#endif
tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
@ -186,7 +187,8 @@ WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
unsigned shift;
do_unaligned_access:
#ifdef ALIGNED_ONLY
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
mmu_idx, retaddr);
#endif
addr1 = addr & ~(DATA_SIZE - 1);
addr2 = addr1 + DATA_SIZE;
@ -204,7 +206,8 @@ WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
/* Handle aligned access or unaligned access in the same page. */
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
mmu_idx, retaddr);
}
#endif
@ -237,7 +240,8 @@ WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
!= (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
mmu_idx, retaddr);
}
#endif
tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
@ -268,7 +272,8 @@ WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
unsigned shift;
do_unaligned_access:
#ifdef ALIGNED_ONLY
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
mmu_idx, retaddr);
#endif
addr1 = addr & ~(DATA_SIZE - 1);
addr2 = addr1 + DATA_SIZE;
@ -286,7 +291,8 @@ WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
/* Handle aligned access or unaligned access in the same page. */
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
do_unaligned_access(env, addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
mmu_idx, retaddr);
}
#endif
@ -357,7 +363,7 @@ void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
!= (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
}
#endif
tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
@ -386,7 +392,7 @@ void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
int i;
do_unaligned_access:
#ifdef ALIGNED_ONLY
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
#endif
/* XXX: not efficient, but simple */
/* Note: relies on the fact that tlb_fill() does not remove the
@ -405,7 +411,7 @@ void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
/* Handle aligned access or unaligned access in the same page. */
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
}
#endif
@ -433,7 +439,7 @@ void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
!= (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
}
#endif
tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
@ -462,7 +468,7 @@ void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
int i;
do_unaligned_access:
#ifdef ALIGNED_ONLY
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
#endif
/* XXX: not efficient, but simple */
/* Note: relies on the fact that tlb_fill() does not remove the
@ -481,7 +487,7 @@ void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
/* Handle aligned access or unaligned access in the same page. */
#ifdef ALIGNED_ONLY
if ((addr & (DATA_SIZE - 1)) != 0) {
do_unaligned_access(env, addr, 1, mmu_idx, retaddr);
cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
}
#endif

15
include/qom/cpu.h
View File

@ -80,6 +80,8 @@ struct TranslationBlock;
* @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.
* @do_unaligned_access: Callback for unaligned access handling, if
* the target defines #ALIGNED_ONLY.
* @memory_rw_debug: Callback for GDB memory access.
* @dump_state: Callback for dumping state.
* @dump_statistics: Callback for dumping statistics.
@ -112,6 +114,8 @@ typedef struct CPUClass {
bool (*has_work)(CPUState *cpu);
void (*do_interrupt)(CPUState *cpu);
CPUUnassignedAccess do_unassigned_access;
void (*do_unaligned_access)(CPUState *cpu, vaddr addr,
int is_write, int is_user, uintptr_t retaddr);
int (*memory_rw_debug)(CPUState *cpu, vaddr addr,
uint8_t *buf, int len, bool is_write);
void (*dump_state)(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
@ -544,8 +548,7 @@ void cpu_interrupt(CPUState *cpu, int mask);
#endif /* USER_ONLY */
#ifndef CONFIG_USER_ONLY
#ifdef CONFIG_SOFTMMU
static inline void cpu_unassigned_access(CPUState *cpu, hwaddr addr,
bool is_write, bool is_exec,
int opaque, unsigned size)
@ -557,6 +560,14 @@ static inline void cpu_unassigned_access(CPUState *cpu, hwaddr addr,
}
}
static inline void cpu_unaligned_access(CPUState *cpu, vaddr addr,
int is_write, int is_user,
uintptr_t retaddr)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
return cc->do_unaligned_access(cpu, addr, is_write, is_user, retaddr);
}
#endif
/**

2
target-alpha/cpu-qom.h
View File

@ -84,5 +84,7 @@ void alpha_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
hwaddr alpha_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int alpha_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int alpha_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
void alpha_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
int is_write, int is_user, uintptr_t retaddr);
#endif

1
target-alpha/cpu.c
View File

@ -292,6 +292,7 @@ static void alpha_cpu_class_init(ObjectClass *oc, void *data)
cc->handle_mmu_fault = alpha_cpu_handle_mmu_fault;
#else
cc->do_unassigned_access = alpha_cpu_unassigned_access;
cc->do_unaligned_access = alpha_cpu_do_unaligned_access;
cc->get_phys_page_debug = alpha_cpu_get_phys_page_debug;
dc->vmsd = &vmstate_alpha_cpu;
#endif

8
target-alpha/mem_helper.c
View File

@ -96,11 +96,11 @@ uint64_t helper_stq_c_phys(CPUAlphaState *env, uint64_t p, uint64_t v)
return ret;
}
static void do_unaligned_access(CPUAlphaState *env, target_ulong addr,
int is_write, int is_user, uintptr_t retaddr)
void alpha_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
int is_write, int is_user, uintptr_t retaddr)
{
AlphaCPU *cpu = alpha_env_get_cpu(env);
CPUState *cs = CPU(cpu);
AlphaCPU *cpu = ALPHA_CPU(cs);
CPUAlphaState *env = &cpu->env;
uint64_t pc;
uint32_t insn;

2
target-mips/cpu-qom.h
View File

@ -80,5 +80,7 @@ void mips_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
hwaddr mips_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int mips_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int mips_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
void mips_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
int is_write, int is_user, uintptr_t retaddr);
#endif

1
target-mips/cpu.c
View File

@ -137,6 +137,7 @@ static void mips_cpu_class_init(ObjectClass *c, void *data)
cc->handle_mmu_fault = mips_cpu_handle_mmu_fault;
#else
cc->do_unassigned_access = mips_cpu_unassigned_access;
cc->do_unaligned_access = mips_cpu_do_unaligned_access;
cc->get_phys_page_debug = mips_cpu_get_phys_page_debug;
#endif

11
target-mips/op_helper.c
View File

@ -2128,10 +2128,6 @@ void helper_wait(CPUMIPSState *env)
#if !defined(CONFIG_USER_ONLY)
static void QEMU_NORETURN do_unaligned_access(CPUMIPSState *env,
target_ulong addr, int is_write,
int is_user, uintptr_t retaddr);
#define MMUSUFFIX _mmu
#define ALIGNED_ONLY
@ -2147,9 +2143,12 @@ static void QEMU_NORETURN do_unaligned_access(CPUMIPSState *env,
#define SHIFT 3
#include "exec/softmmu_template.h"
static void do_unaligned_access(CPUMIPSState *env, target_ulong addr,
int is_write, int is_user, uintptr_t retaddr)
void mips_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
int is_write, int is_user, uintptr_t retaddr)
{
MIPSCPU *cpu = MIPS_CPU(cs);
CPUMIPSState *env = &cpu->env;
env->CP0_BadVAddr = addr;
do_raise_exception(env, (is_write == 1) ? EXCP_AdES : EXCP_AdEL, retaddr);
}

3
target-sparc/cpu-qom.h
View File

@ -81,5 +81,8 @@ void sparc_cpu_dump_state(CPUState *cpu, FILE *f,
hwaddr sparc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int sparc_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int sparc_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
void QEMU_NORETURN sparc_cpu_do_unaligned_access(CPUState *cpu,
vaddr addr, int is_write,
int is_user, uintptr_t retaddr);
#endif

1
target-sparc/cpu.c
View File

@ -825,6 +825,7 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data)
cc->handle_mmu_fault = sparc_cpu_handle_mmu_fault;
#else
cc->do_unassigned_access = sparc_cpu_unassigned_access;
cc->do_unaligned_access = sparc_cpu_do_unaligned_access;
cc->get_phys_page_debug = sparc_cpu_get_phys_page_debug;
#endif

13
target-sparc/ldst_helper.c
View File

@ -65,9 +65,6 @@
#define QT1 (env->qt1)
#if !defined(CONFIG_USER_ONLY)
static void QEMU_NORETURN do_unaligned_access(CPUSPARCState *env,
target_ulong addr, int is_write,
int is_user, uintptr_t retaddr);
#include "exec/softmmu_exec.h"
#define MMUSUFFIX _mmu
#define ALIGNED_ONLY
@ -2425,11 +2422,13 @@ void sparc_cpu_unassigned_access(CPUState *cs, hwaddr addr,
#endif
#if !defined(CONFIG_USER_ONLY)
static void QEMU_NORETURN do_unaligned_access(CPUSPARCState *env,
target_ulong addr, int is_write,
int is_user, uintptr_t retaddr)
void QEMU_NORETURN sparc_cpu_do_unaligned_access(CPUState *cs,
vaddr addr, int is_write,
int is_user, uintptr_t retaddr)
{
SPARCCPU *cpu = sparc_env_get_cpu(env);
SPARCCPU *cpu = SPARC_CPU(cs);
CPUSPARCState *env = &cpu->env;
#ifdef DEBUG_UNALIGNED
printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
"\n", addr, env->pc);

2
target-xtensa/cpu-qom.h
View File

@ -89,5 +89,7 @@ void xtensa_cpu_dump_state(CPUState *cpu, FILE *f,
hwaddr xtensa_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int xtensa_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int xtensa_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
void xtensa_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
int is_write, int is_user, uintptr_t retaddr);
#endif

1
target-xtensa/cpu.c
View File

@ -148,6 +148,7 @@ 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;
#ifndef CONFIG_USER_ONLY
cc->do_unaligned_access = xtensa_cpu_do_unaligned_access;
cc->get_phys_page_debug = xtensa_cpu_get_phys_page_debug;
#endif
dc->vmsd = &vmstate_xtensa_cpu;

10
target-xtensa/op_helper.c
View File

@ -31,9 +31,6 @@
#include "exec/softmmu_exec.h"
#include "exec/address-spaces.h"
static void do_unaligned_access(CPUXtensaState *env,
target_ulong addr, int is_write, int is_user, uintptr_t retaddr);
#define ALIGNED_ONLY
#define MMUSUFFIX _mmu
@ -49,10 +46,11 @@ static void do_unaligned_access(CPUXtensaState *env,
#define SHIFT 3
#include "exec/softmmu_template.h"
static void do_unaligned_access(CPUXtensaState *env,
target_ulong addr, int is_write, int is_user, uintptr_t retaddr)
void xtensa_cpu_do_unaligned_access(CPUState *cs,
vaddr addr, int is_write, int is_user, uintptr_t retaddr)
{
XtensaCPU *cpu = xtensa_env_get_cpu(env);
XtensaCPU *cpu = XTENSA_CPU(cs);
CPUXtensaState *env = &cpu->env;
if (xtensa_option_enabled(env->config, XTENSA_OPTION_UNALIGNED_EXCEPTION) &&
!xtensa_option_enabled(env->config, XTENSA_OPTION_HW_ALIGNMENT)) {