haraldwolff/qemu-patch-raspberry4
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cpu: Replace cpu_single_env with CPUState current_cpu

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Move it to qom/cpu.h.

Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-05-27 05:17:50 +02:00
parent 80b7cd7354
commit 4917cf4432
23 changed files with 120 additions and 115 deletions
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13
cpu-exec.c
View file

@ -213,12 +213,12 @@ int cpu_exec(CPUArchState *env)
cpu->halted = 0;
}
cpu_single_env = env;
current_cpu = cpu;
/* As long as cpu_single_env is null, up to the assignment just above,
/* As long as current_cpu is null, up to the assignment just above,
* requests by other threads to exit the execution loop are expected to
* be issued using the exit_request global. We must make sure that our
* evaluation of the global value is performed past the cpu_single_env
* evaluation of the global value is performed past the current_cpu
* value transition point, which requires a memory barrier as well as
* an instruction scheduling constraint on modern architectures. */
smp_mb();
@ -673,7 +673,8 @@ int cpu_exec(CPUArchState *env)
} else {
/* Reload env after longjmp - the compiler may have smashed all
* local variables as longjmp is marked 'noreturn'. */
env = cpu_single_env;
cpu = current_cpu;
env = cpu->env_ptr;
}
} /* for(;;) */
@ -707,7 +708,7 @@ int cpu_exec(CPUArchState *env)
#error unsupported target CPU
#endif
/* fail safe : never use cpu_single_env outside cpu_exec() */
cpu_single_env = NULL;
/* fail safe : never use current_cpu outside cpu_exec() */
current_cpu = NULL;
return ret;
}

41
cpus.c
View file

@ -118,10 +118,11 @@ TimersState timers_state;
int64_t cpu_get_icount(void)
{
int64_t icount;
CPUArchState *env = cpu_single_env;
CPUState *cpu = current_cpu;
icount = qemu_icount;
if (env) {
if (cpu) {
CPUArchState *env = cpu->env_ptr;
if (!can_do_io(env)) {
fprintf(stderr, "Bad clock read\n");
}
@ -468,8 +469,8 @@ static void cpu_handle_guest_debug(CPUState *cpu)
static void cpu_signal(int sig)
{
if (cpu_single_env) {
cpu_exit(ENV_GET_CPU(cpu_single_env));
if (current_cpu) {
cpu_exit(current_cpu);
}
exit_request = 1;
}
@ -660,10 +661,10 @@ void run_on_cpu(CPUState *cpu, void (*func)(void *data), void *data)
qemu_cpu_kick(cpu);
while (!wi.done) {
CPUArchState *self_env = cpu_single_env;
CPUState *self_cpu = current_cpu;
qemu_cond_wait(&qemu_work_cond, &qemu_global_mutex);
cpu_single_env = self_env;
current_cpu = self_cpu;
}
}
@ -733,7 +734,7 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
qemu_mutex_lock(&qemu_global_mutex);
qemu_thread_get_self(cpu->thread);
cpu->thread_id = qemu_get_thread_id();
cpu_single_env = cpu->env_ptr;
current_cpu = cpu;
r = kvm_init_vcpu(cpu);
if (r < 0) {
@ -781,9 +782,9 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
cpu->created = true;
qemu_cond_signal(&qemu_cpu_cond);
cpu_single_env = cpu->env_ptr;
current_cpu = cpu;
while (1) {
cpu_single_env = NULL;
current_cpu = NULL;
qemu_mutex_unlock_iothread();
do {
int sig;
@ -794,7 +795,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
exit(1);
}
qemu_mutex_lock_iothread();
cpu_single_env = cpu->env_ptr;
current_cpu = cpu;
qemu_wait_io_event_common(cpu);
}
@ -894,12 +895,11 @@ void qemu_cpu_kick(CPUState *cpu)
void qemu_cpu_kick_self(void)
{
#ifndef _WIN32
assert(cpu_single_env);
CPUState *cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
assert(current_cpu);
if (!cpu_single_cpu->thread_kicked) {
qemu_cpu_kick_thread(cpu_single_cpu);
cpu_single_cpu->thread_kicked = true;
if (!current_cpu->thread_kicked) {
qemu_cpu_kick_thread(current_cpu);
current_cpu->thread_kicked = true;
}
#else
abort();
@ -913,7 +913,7 @@ bool qemu_cpu_is_self(CPUState *cpu)
static bool qemu_in_vcpu_thread(void)
{
return cpu_single_env && qemu_cpu_is_self(ENV_GET_CPU(cpu_single_env));
return current_cpu && qemu_cpu_is_self(current_cpu);
}
void qemu_mutex_lock_iothread(void)
@ -1069,11 +1069,10 @@ void qemu_init_vcpu(CPUState *cpu)
void cpu_stop_current(void)
{
if (cpu_single_env) {
CPUState *cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
cpu_single_cpu->stop = false;
cpu_single_cpu->stopped = true;
cpu_exit(cpu_single_cpu);
if (current_cpu) {
current_cpu->stop = false;
current_cpu->stopped = true;
cpu_exit(current_cpu);
qemu_cond_signal(&qemu_pause_cond);
}
}

12
exec.c
View file

@ -72,7 +72,7 @@ static MemoryRegion io_mem_unassigned;
CPUArchState *first_cpu;
/* current CPU in the current thread. It is only valid inside
cpu_exec() */
DEFINE_TLS(CPUArchState *,cpu_single_env);
DEFINE_TLS(CPUState *, current_cpu);
/* 0 = Do not count executed instructions.
1 = Precise instruction counting.
2 = Adaptive rate instruction counting. */
@ -1472,8 +1472,10 @@ static void notdirty_mem_write(void *opaque, hwaddr ram_addr,
cpu_physical_memory_set_dirty_flags(ram_addr, dirty_flags);
/* we remove the notdirty callback only if the code has been
flushed */
if (dirty_flags == 0xff)
tlb_set_dirty(cpu_single_env, cpu_single_env->mem_io_vaddr);
if (dirty_flags == 0xff) {
CPUArchState *env = current_cpu->env_ptr;
tlb_set_dirty(env, env->mem_io_vaddr);
}
}
static bool notdirty_mem_accepts(void *opaque, hwaddr addr,
@ -1491,7 +1493,7 @@ static const MemoryRegionOps notdirty_mem_ops = {
/* Generate a debug exception if a watchpoint has been hit. */
static void check_watchpoint(int offset, int len_mask, int flags)
{
CPUArchState *env = cpu_single_env;
CPUArchState *env = current_cpu->env_ptr;
target_ulong pc, cs_base;
target_ulong vaddr;
CPUWatchpoint *wp;
@ -1930,7 +1932,7 @@ bool address_space_rw(AddressSpace *as, hwaddr addr, uint8_t *buf,
if (is_write) {
if (!memory_access_is_direct(mr, is_write)) {
l = memory_access_size(mr, l, addr1);
/* XXX: could force cpu_single_env to NULL to avoid
/* XXX: could force current_cpu to NULL to avoid
potential bugs */
if (l == 4) {
/* 32 bit write access */

16
hw/alpha/typhoon.c
View file

@ -72,9 +72,8 @@ static void cpu_irq_change(AlphaCPU *cpu, uint64_t req)
static uint64_t cchip_read(void *opaque, hwaddr addr, unsigned size)
{
CPUAlphaState *env = cpu_single_env;
CPUState *cpu = current_cpu;
TyphoonState *s = opaque;
CPUState *cpu;
uint64_t ret = 0;
if (addr & 4) {
@ -95,7 +94,6 @@ static uint64_t cchip_read(void *opaque, hwaddr addr, unsigned size)
case 0x0080:
/* MISC: Miscellaneous Register. */
cpu = ENV_GET_CPU(env);
ret = s->cchip.misc | (cpu->cpu_index & 3);
break;
@ -197,7 +195,6 @@ static uint64_t cchip_read(void *opaque, hwaddr addr, unsigned size)
break;
default:
cpu = CPU(alpha_env_get_cpu(cpu_single_env));
cpu_unassigned_access(cpu, addr, false, false, 0, size);
return -1;
}
@ -215,7 +212,6 @@ static uint64_t dchip_read(void *opaque, hwaddr addr, unsigned size)
static uint64_t pchip_read(void *opaque, hwaddr addr, unsigned size)
{
TyphoonState *s = opaque;
CPUState *cs;
uint64_t ret = 0;
if (addr & 4) {
@ -302,8 +298,7 @@ static uint64_t pchip_read(void *opaque, hwaddr addr, unsigned size)
break;
default:
cs = CPU(alpha_env_get_cpu(cpu_single_env));
cpu_unassigned_access(cs, addr, false, false, 0, size);
cpu_unassigned_access(current_cpu, addr, false, false, 0, size);
return -1;
}
@ -315,7 +310,6 @@ static void cchip_write(void *opaque, hwaddr addr,
uint64_t v32, unsigned size)
{
TyphoonState *s = opaque;
CPUState *cpu_single_cpu = CPU(alpha_env_get_cpu(cpu_single_env));
uint64_t val, oldval, newval;
if (addr & 4) {
@ -465,7 +459,7 @@ static void cchip_write(void *opaque, hwaddr addr,
break;
default:
cpu_unassigned_access(cpu_single_cpu, addr, true, false, 0, size);
cpu_unassigned_access(current_cpu, addr, true, false, 0, size);
return;
}
}
@ -480,7 +474,6 @@ static void pchip_write(void *opaque, hwaddr addr,
uint64_t v32, unsigned size)
{
TyphoonState *s = opaque;
CPUState *cs;
uint64_t val, oldval;
if (addr & 4) {
@ -582,8 +575,7 @@ static void pchip_write(void *opaque, hwaddr addr,
break;
default:
cs = CPU(alpha_env_get_cpu(cpu_single_env));
cpu_unassigned_access(cs, addr, true, false, 0, size);
cpu_unassigned_access(current_cpu, addr, true, false, 0, size);
return;
}
}

3
hw/arm/pxa2xx.c
View file

@ -301,8 +301,7 @@ static int pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri,
#endif
/* Suspend */
cpu_interrupt(CPU(arm_env_get_cpu(cpu_single_env)),
CPU_INTERRUPT_HALT);
cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
goto message;

6
hw/i386/kvmvapic.c
View file

@ -624,11 +624,13 @@ static int vapic_prepare(VAPICROMState *s)
static void vapic_write(void *opaque, hwaddr addr, uint64_t data,
unsigned int size)
{
CPUX86State *env = cpu_single_env;
CPUState *cs = current_cpu;
X86CPU *cpu = X86_CPU(cs);
CPUX86State *env = &cpu->env;
hwaddr rom_paddr;
VAPICROMState *s = opaque;
cpu_synchronize_state(CPU(x86_env_get_cpu(env)));
cpu_synchronize_state(cs);
/*
* The VAPIC supports two PIO-based hypercalls, both via port 0x7E.

11
hw/i386/pc.c
View file

@ -886,8 +886,9 @@ void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd)
DeviceState *cpu_get_current_apic(void)
{
if (cpu_single_env) {
return cpu_single_env->apic_state;
if (current_cpu) {
X86CPU *cpu = X86_CPU(current_cpu);
return cpu->env.apic_state;
} else {
return NULL;
}
@ -1176,10 +1177,10 @@ DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus)
static void cpu_request_exit(void *opaque, int irq, int level)
{
CPUX86State *env = cpu_single_env;
CPUState *cpu = current_cpu;
if (env && level) {
cpu_exit(CPU(x86_env_get_cpu(env)));
if (cpu && level) {
cpu_exit(cpu);
}
}

3
hw/intc/arm_gic.c
View file

@ -39,8 +39,7 @@ static const uint8_t gic_id[] = {
static inline int gic_get_current_cpu(GICState *s)
{
if (s->num_cpu > 1) {
CPUState *cpu = ENV_GET_CPU(cpu_single_env);
return cpu->cpu_index;
return current_cpu->cpu_index;
}
return 0;
}

11
hw/intc/armv7m_nvic.c
View file

@ -140,6 +140,7 @@ void armv7m_nvic_complete_irq(void *opaque, int irq)
static uint32_t nvic_readl(nvic_state *s, uint32_t offset)
{
ARMCPU *cpu;
uint32_t val;
int irq;
@ -171,7 +172,8 @@ static uint32_t nvic_readl(nvic_state *s, uint32_t offset)
case 0x1c: /* SysTick Calibration Value. */
return 10000;
case 0xd00: /* CPUID Base. */
return cpu_single_env->cp15.c0_cpuid;
cpu = ARM_CPU(current_cpu);
return cpu->env.cp15.c0_cpuid;
case 0xd04: /* Interrupt Control State. */
/* VECTACTIVE */
val = s->gic.running_irq[0];
@ -206,7 +208,8 @@ static uint32_t nvic_readl(nvic_state *s, uint32_t offset)
val |= (1 << 31);
return val;
case 0xd08: /* Vector Table Offset. */
return cpu_single_env->v7m.vecbase;
cpu = ARM_CPU(current_cpu);
return cpu->env.v7m.vecbase;
case 0xd0c: /* Application Interrupt/Reset Control. */
return 0xfa05000;
case 0xd10: /* System Control. */
@ -279,6 +282,7 @@ static uint32_t nvic_readl(nvic_state *s, uint32_t offset)
static void nvic_writel(nvic_state *s, uint32_t offset, uint32_t value)
{
ARMCPU *cpu;
uint32_t oldval;
switch (offset) {
case 0x10: /* SysTick Control and Status. */
@ -331,7 +335,8 @@ static void nvic_writel(nvic_state *s, uint32_t offset, uint32_t value)
}
break;
case 0xd08: /* Vector Table Offset. */
cpu_single_env->v7m.vecbase = value & 0xffffff80;
cpu = ARM_CPU(current_cpu);
cpu->env.v7m.vecbase = value & 0xffffff80;
break;
case 0xd0c: /* Application Interrupt/Reset Control. */
if ((value >> 16) == 0x05fa) {

7
hw/intc/openpic.c
View file

@ -180,14 +180,11 @@ static int output_to_inttgt(int output)
static int get_current_cpu(void)
{
CPUState *cpu_single_cpu;
if (!cpu_single_env) {
if (!current_cpu) {
return -1;
}
cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
return cpu_single_cpu->cpu_index;
return current_cpu->cpu_index;
}
static uint32_t openpic_cpu_read_internal(void *opaque, hwaddr addr,

6
hw/mips/mips_fulong2e.c
View file

@ -250,10 +250,10 @@ static void network_init (PCIBus *pci_bus)
static void cpu_request_exit(void *opaque, int irq, int level)
{
CPUMIPSState *env = cpu_single_env;
CPUState *cpu = current_cpu;
if (env && level) {
cpu_exit(CPU(mips_env_get_cpu(env)));
if (cpu && level) {
cpu_exit(cpu);
}
}

6
hw/mips/mips_jazz.c
View file

@ -99,10 +99,10 @@ static const MemoryRegionOps dma_dummy_ops = {
static void cpu_request_exit(void *opaque, int irq, int level)
{
CPUMIPSState *env = cpu_single_env;
CPUState *cpu = current_cpu;
if (env && level) {
cpu_exit(CPU(mips_env_get_cpu(env)));
if (cpu && level) {
cpu_exit(cpu);
}
}

6
hw/mips/mips_malta.c
View file

@ -770,10 +770,10 @@ static void main_cpu_reset(void *opaque)
static void cpu_request_exit(void *opaque, int irq, int level)
{
CPUMIPSState *env = cpu_single_env;
CPUState *cpu = current_cpu;
if (env && level) {
cpu_exit(CPU(mips_env_get_cpu(env)));
if (cpu && level) {
cpu_exit(cpu);
}
}

26
hw/misc/vmport.c
View file

@ -62,11 +62,13 @@ static uint64_t vmport_ioport_read(void *opaque, hwaddr addr,
unsigned size)
{
VMPortState *s = opaque;
CPUX86State *env = cpu_single_env;
CPUState *cs = current_cpu;
X86CPU *cpu = X86_CPU(cs);
CPUX86State *env = &cpu->env;
unsigned char command;
uint32_t eax;
cpu_synchronize_state(CPU(x86_env_get_cpu(env)));
cpu_synchronize_state(cs);
eax = env->regs[R_EAX];
if (eax != VMPORT_MAGIC)
@ -89,29 +91,32 @@ static uint64_t vmport_ioport_read(void *opaque, hwaddr addr,
static void vmport_ioport_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
CPUX86State *env = cpu_single_env;
X86CPU *cpu = X86_CPU(current_cpu);
env->regs[R_EAX] = vmport_ioport_read(opaque, addr, 4);
cpu->env.regs[R_EAX] = vmport_ioport_read(opaque, addr, 4);
}
static uint32_t vmport_cmd_get_version(void *opaque, uint32_t addr)
{
CPUX86State *env = cpu_single_env;
env->regs[R_EBX] = VMPORT_MAGIC;
X86CPU *cpu = X86_CPU(current_cpu);
cpu->env.regs[R_EBX] = VMPORT_MAGIC;
return 6;
}
static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t addr)
{
CPUX86State *env = cpu_single_env;
env->regs[R_EBX] = 0x1177;
X86CPU *cpu = X86_CPU(current_cpu);
cpu->env.regs[R_EBX] = 0x1177;
return ram_size;
}
/* vmmouse helpers */
void vmmouse_get_data(uint32_t *data)
{
CPUX86State *env = cpu_single_env;
X86CPU *cpu = X86_CPU(current_cpu);
CPUX86State *env = &cpu->env;
data[0] = env->regs[R_EAX]; data[1] = env->regs[R_EBX];
data[2] = env->regs[R_ECX]; data[3] = env->regs[R_EDX];
@ -120,7 +125,8 @@ void vmmouse_get_data(uint32_t *data)
void vmmouse_set_data(const uint32_t *data)
{
CPUX86State *env = cpu_single_env;
X86CPU *cpu = X86_CPU(current_cpu);
CPUX86State *env = &cpu->env;
env->regs[R_EAX] = data[0]; env->regs[R_EBX] = data[1];
env->regs[R_ECX] = data[2]; env->regs[R_EDX] = data[3];

3
hw/ppc/mpc8544_guts.c
View file

@ -68,7 +68,8 @@ static uint64_t mpc8544_guts_read(void *opaque, hwaddr addr,
unsigned size)
{
uint32_t value = 0;
CPUPPCState *env = cpu_single_env;
PowerPCCPU *cpu = POWERPC_CPU(current_cpu);
CPUPPCState *env = &cpu->env;
addr &= MPC8544_GUTS_MMIO_SIZE - 1;
switch (addr) {

6
hw/ppc/prep.c
View file

@ -417,10 +417,10 @@ static const MemoryRegionOps PPC_prep_io_ops = {
static void cpu_request_exit(void *opaque, int irq, int level)
{
CPUPPCState *env = cpu_single_env;
CPUState *cpu = current_cpu;
if (env && level) {
cpu_exit(CPU(ppc_env_get_cpu(env)));
if (cpu && level) {
cpu_exit(cpu);
}
}

5
hw/sparc/sun4m.c
View file

@ -264,9 +264,8 @@ static void secondary_cpu_reset(void *opaque)
static void cpu_halt_signal(void *opaque, int irq, int level)
{
if (level && cpu_single_env) {
cpu_interrupt(CPU(sparc_env_get_cpu(cpu_single_env)),
CPU_INTERRUPT_HALT);
if (level && current_cpu) {
cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
}
}

8
hw/timer/arm_mptimer.c
View file

@ -49,13 +49,11 @@ typedef struct {
static inline int get_current_cpu(ARMMPTimerState *s)
{
CPUState *cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
if (cpu_single_cpu->cpu_index >= s->num_cpu) {
if (current_cpu->cpu_index >= s->num_cpu) {
hw_error("arm_mptimer: num-cpu %d but this cpu is %d!\n",
s->num_cpu, cpu_single_cpu->cpu_index);
s->num_cpu, current_cpu->cpu_index);
}
return cpu_single_cpu->cpu_index;
return current_cpu->cpu_index;
}
static inline void timerblock_update_irq(TimerBlock *tb)

3
include/exec/cpu-all.h
View file

@ -20,7 +20,6 @@
#define CPU_ALL_H
#include "qemu-common.h"
#include "qemu/tls.h"
#include "exec/cpu-common.h"
#include "qemu/thread.h"
@ -358,8 +357,6 @@ CPUArchState *cpu_copy(CPUArchState *env);
void QEMU_NORETURN cpu_abort(CPUArchState *env, const char *fmt, ...)
GCC_FMT_ATTR(2, 3);
extern CPUArchState *first_cpu;
DECLARE_TLS(CPUArchState *,cpu_single_env);
#define cpu_single_env tls_var(cpu_single_env)
/* Flags for use in ENV->INTERRUPT_PENDING.

4
include/qom/cpu.h
View file

@ -24,6 +24,7 @@
#include "hw/qdev-core.h"
#include "exec/hwaddr.h"
#include "qemu/thread.h"
#include "qemu/tls.h"
#include "qemu/typedefs.h"
typedef int (*WriteCoreDumpFunction)(void *buf, size_t size, void *opaque);
@ -156,6 +157,9 @@ struct CPUState {
uint32_t halted; /* used by alpha, cris, ppc TCG */
};
DECLARE_TLS(CPUState *, current_cpu);
#define current_cpu tls_var(current_cpu)
/**
* cpu_paging_enabled:
* @cpu: The CPU whose state is to be inspected.

10
memory.c
View file

@ -838,9 +838,8 @@ static uint64_t unassigned_mem_read(void *opaque, hwaddr addr,
#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem read " TARGET_FMT_plx "\n", addr);
#endif
if (cpu_single_env != NULL) {
cpu_unassigned_access(ENV_GET_CPU(cpu_single_env),
addr, false, false, 0, size);
if (current_cpu != NULL) {
cpu_unassigned_access(current_cpu, addr, false, false, 0, size);
}
return 0;
}
@ -851,9 +850,8 @@ 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 (cpu_single_env != NULL) {
cpu_unassigned_access(ENV_GET_CPU(cpu_single_env),
addr, true, false, 0, size);
if (current_cpu != NULL) {
cpu_unassigned_access(current_cpu, addr, true, false, 0, size);
}
}

20
translate-all.c
View file

@ -999,8 +999,10 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
int is_cpu_write_access)
{
TranslationBlock *tb, *tb_next, *saved_tb;
CPUArchState *env = cpu_single_env;
CPUState *cpu = NULL;
CPUState *cpu = current_cpu;
#if defined(TARGET_HAS_PRECISE_SMC) || !defined(CONFIG_USER_ONLY)
CPUArchState *env = NULL;
#endif
tb_page_addr_t tb_start, tb_end;
PageDesc *p;
int n;
@ -1023,9 +1025,11 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
/* build code bitmap */
build_page_bitmap(p);
}
if (env != NULL) {
cpu = ENV_GET_CPU(env);
#if defined(TARGET_HAS_PRECISE_SMC) || !defined(CONFIG_USER_ONLY)
if (cpu != NULL) {
env = cpu->env_ptr;
}
#endif
/* we remove all the TBs in the range [start, end[ */
/* XXX: see if in some cases it could be faster to invalidate all
@ -1147,8 +1151,8 @@ static void tb_invalidate_phys_page(tb_page_addr_t addr,
int n;
#ifdef TARGET_HAS_PRECISE_SMC
TranslationBlock *current_tb = NULL;
CPUArchState *env = cpu_single_env;
CPUState *cpu = NULL;
CPUState *cpu = current_cpu;
CPUArchState *env = NULL;
int current_tb_modified = 0;
target_ulong current_pc = 0;
target_ulong current_cs_base = 0;
@ -1165,8 +1169,8 @@ static void tb_invalidate_phys_page(tb_page_addr_t addr,
if (tb && pc != 0) {
current_tb = tb_find_pc(pc);
}
if (env != NULL) {
cpu = ENV_GET_CPU(env);
if (cpu != NULL) {
env = cpu->env_ptr;
}
#endif
while (tb != NULL) {

9
user-exec.c
View file

@ -81,6 +81,7 @@ static inline int handle_cpu_signal(uintptr_t pc, unsigned long address,
int is_write, sigset_t *old_set,
void *puc)
{
CPUArchState *env;
int ret;
#if defined(DEBUG_SIGNAL)
@ -93,9 +94,9 @@ static inline int handle_cpu_signal(uintptr_t pc, unsigned long address,
return 1;
}
env = current_cpu->env_ptr;
/* see if it is an MMU fault */
ret = cpu_handle_mmu_fault(cpu_single_env, address, is_write,
MMU_USER_IDX);
ret = cpu_handle_mmu_fault(env, address, is_write, MMU_USER_IDX);
if (ret < 0) {
return 0; /* not an MMU fault */
}
@ -103,12 +104,12 @@ static inline int handle_cpu_signal(uintptr_t pc, unsigned long address,
return 1; /* the MMU fault was handled without causing real CPU fault */
}
/* now we have a real cpu fault */
cpu_restore_state(cpu_single_env, pc);
cpu_restore_state(env, pc);
/* we restore the process signal mask as the sigreturn should
do it (XXX: use sigsetjmp) */
sigprocmask(SIG_SETMASK, old_set, NULL);
exception_action(cpu_single_env);
exception_action(env);
/* never comes here */
return 1;