/*
- * i386 emulator main execution loop
+ * emulator main execution loop
*
* Copyright (c) 2003-2005 Fabrice Bellard
*
#include "disas.h"
#include "tcg.h"
#include "qemu-barrier.h"
+#include "qtest.h"
int tb_invalidated_flag;
//#define CONFIG_DEBUG_EXEC
-bool qemu_cpu_has_work(CPUState *env)
+bool qemu_cpu_has_work(CPUArchState *env)
{
return cpu_has_work(env);
}
-void cpu_loop_exit(CPUState *env)
+void cpu_loop_exit(CPUArchState *env)
{
env->current_tb = NULL;
longjmp(env->jmp_env, 1);
restored in a state compatible with the CPU emulator
*/
#if defined(CONFIG_SOFTMMU)
-void cpu_resume_from_signal(CPUState *env, void *puc)
+void cpu_resume_from_signal(CPUArchState *env, void *puc)
{
/* XXX: restore cpu registers saved in host registers */
/* Execute the code without caching the generated code. An interpreter
could be used if available. */
-static void cpu_exec_nocache(CPUState *env, int max_cycles,
+static void cpu_exec_nocache(CPUArchState *env, int max_cycles,
TranslationBlock *orig_tb)
{
- unsigned long next_tb;
+ tcg_target_ulong next_tb;
TranslationBlock *tb;
/* Should never happen.
tb_free(tb);
}
-static TranslationBlock *tb_find_slow(CPUState *env,
+static TranslationBlock *tb_find_slow(CPUArchState *env,
target_ulong pc,
target_ulong cs_base,
uint64_t flags)
return tb;
}
-static inline TranslationBlock *tb_find_fast(CPUState *env)
+static inline TranslationBlock *tb_find_fast(CPUArchState *env)
{
TranslationBlock *tb;
target_ulong cs_base, pc;
static CPUDebugExcpHandler *debug_excp_handler;
-CPUDebugExcpHandler *cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler)
+void cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler)
{
- CPUDebugExcpHandler *old_handler = debug_excp_handler;
-
debug_excp_handler = handler;
- return old_handler;
}
-static void cpu_handle_debug_exception(CPUState *env)
+static void cpu_handle_debug_exception(CPUArchState *env)
{
CPUWatchpoint *wp;
volatile sig_atomic_t exit_request;
-int cpu_exec(CPUState *env)
+int cpu_exec(CPUArchState *env)
{
+#ifdef TARGET_PPC
+ CPUState *cpu = ENV_GET_CPU(env);
+#endif
int ret, interrupt_request;
TranslationBlock *tb;
uint8_t *tc_ptr;
- unsigned long next_tb;
+ tcg_target_ulong next_tb;
if (env->halted) {
if (!cpu_has_work(env)) {
#elif defined(TARGET_ARM)
#elif defined(TARGET_UNICORE32)
#elif defined(TARGET_PPC)
+ env->reserve_addr = -1;
#elif defined(TARGET_LM32)
#elif defined(TARGET_MICROBLAZE)
#elif defined(TARGET_MIPS)
+#elif defined(TARGET_OPENRISC)
#elif defined(TARGET_SH4)
#elif defined(TARGET_CRIS)
#elif defined(TARGET_S390X)
}
#endif
#if defined(TARGET_I386)
+#if !defined(CONFIG_USER_ONLY)
+ if (interrupt_request & CPU_INTERRUPT_POLL) {
+ env->interrupt_request &= ~CPU_INTERRUPT_POLL;
+ apic_poll_irq(env->apic_state);
+ }
+#endif
if (interrupt_request & CPU_INTERRUPT_INIT) {
- svm_check_intercept(env, SVM_EXIT_INIT);
- do_cpu_init(env);
+ cpu_svm_check_intercept_param(env, SVM_EXIT_INIT,
+ 0);
+ do_cpu_init(x86_env_get_cpu(env));
env->exception_index = EXCP_HALTED;
cpu_loop_exit(env);
} else if (interrupt_request & CPU_INTERRUPT_SIPI) {
- do_cpu_sipi(env);
+ do_cpu_sipi(x86_env_get_cpu(env));
} else if (env->hflags2 & HF2_GIF_MASK) {
if ((interrupt_request & CPU_INTERRUPT_SMI) &&
!(env->hflags & HF_SMM_MASK)) {
- svm_check_intercept(env, SVM_EXIT_SMI);
+ cpu_svm_check_intercept_param(env, SVM_EXIT_SMI,
+ 0);
env->interrupt_request &= ~CPU_INTERRUPT_SMI;
do_smm_enter(env);
next_tb = 0;
env->hflags2 |= HF2_NMI_MASK;
do_interrupt_x86_hardirq(env, EXCP02_NMI, 1);
next_tb = 0;
- } else if (interrupt_request & CPU_INTERRUPT_MCE) {
+ } else if (interrupt_request & CPU_INTERRUPT_MCE) {
env->interrupt_request &= ~CPU_INTERRUPT_MCE;
do_interrupt_x86_hardirq(env, EXCP12_MCHK, 0);
next_tb = 0;
(env->eflags & IF_MASK &&
!(env->hflags & HF_INHIBIT_IRQ_MASK))))) {
int intno;
- svm_check_intercept(env, SVM_EXIT_INTR);
+ cpu_svm_check_intercept_param(env, SVM_EXIT_INTR,
+ 0);
env->interrupt_request &= ~(CPU_INTERRUPT_HARD | CPU_INTERRUPT_VIRQ);
intno = cpu_get_pic_interrupt(env);
qemu_log_mask(CPU_LOG_TB_IN_ASM, "Servicing hardware INT=0x%02x\n", intno);
!(env->hflags & HF_INHIBIT_IRQ_MASK)) {
int intno;
/* FIXME: this should respect TPR */
- svm_check_intercept(env, SVM_EXIT_VINTR);
+ cpu_svm_check_intercept_param(env, SVM_EXIT_VINTR,
+ 0);
intno = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.int_vector));
qemu_log_mask(CPU_LOG_TB_IN_ASM, "Servicing virtual hardware INT=0x%02x\n", intno);
do_interrupt_x86_hardirq(env, intno, 1);
}
}
#elif defined(TARGET_PPC)
-#if 0
if ((interrupt_request & CPU_INTERRUPT_RESET)) {
- cpu_reset(env);
+ cpu_reset(cpu);
}
-#endif
if (interrupt_request & CPU_INTERRUPT_HARD) {
ppc_hw_interrupt(env);
if (env->pending_interrupts == 0)
do_interrupt(env);
next_tb = 0;
}
+#elif defined(TARGET_OPENRISC)
+ {
+ int idx = -1;
+ if ((interrupt_request & CPU_INTERRUPT_HARD)
+ && (env->sr & SR_IEE)) {
+ idx = EXCP_INT;
+ }
+ if ((interrupt_request & CPU_INTERRUPT_TIMER)
+ && (env->sr & SR_TEE)) {
+ idx = EXCP_TICK;
+ }
+ if (idx >= 0) {
+ env->exception_index = idx;
+ do_interrupt(env);
+ next_tb = 0;
+ }
+ }
#elif defined(TARGET_SPARC)
if (interrupt_request & CPU_INTERRUPT_HARD) {
if (cpu_interrupts_enabled(env) &&
next_tb = 0;
}
}
- }
+ }
#elif defined(TARGET_ARM)
if (interrupt_request & CPU_INTERRUPT_FIQ
&& !(env->uncached_cpsr & CPSR_F)) {
{
int idx = -1;
/* ??? This hard-codes the OSF/1 interrupt levels. */
- switch (env->pal_mode ? 7 : env->ps & PS_INT_MASK) {
+ switch (env->pal_mode ? 7 : env->ps & PS_INT_MASK) {
case 0 ... 3:
if (interrupt_request & CPU_INTERRUPT_HARD) {
idx = EXCP_DEV_INTERRUPT;
do_interrupt(env);
next_tb = 0;
}
- if (interrupt_request & CPU_INTERRUPT_NMI
- && (env->pregs[PR_CCS] & M_FLAG)) {
- env->exception_index = EXCP_NMI;
- do_interrupt(env);
- next_tb = 0;
+ if (interrupt_request & CPU_INTERRUPT_NMI) {
+ unsigned int m_flag_archval;
+ if (env->pregs[PR_VR] < 32) {
+ m_flag_archval = M_FLAG_V10;
+ } else {
+ m_flag_archval = M_FLAG_V32;
+ }
+ if ((env->pregs[PR_CCS] & m_flag_archval)) {
+ env->exception_index = EXCP_NMI;
+ do_interrupt(env);
+ next_tb = 0;
+ }
}
#elif defined(TARGET_M68K)
if (interrupt_request & CPU_INTERRUPT_HARD
do_interrupt(env);
next_tb = 0;
}
+#elif defined(TARGET_XTENSA)
+ if (interrupt_request & CPU_INTERRUPT_HARD) {
+ env->exception_index = EXC_IRQ;
+ do_interrupt(env);
+ next_tb = 0;
+ }
#endif
/* Don't use the cached interrupt_request value,
do_interrupt may have updated the EXITTB flag. */
tb_invalidated_flag = 0;
}
#ifdef CONFIG_DEBUG_EXEC
- qemu_log_mask(CPU_LOG_EXEC, "Trace 0x%08lx [" TARGET_FMT_lx "] %s\n",
- (long)tb->tc_ptr, tb->pc,
+ qemu_log_mask(CPU_LOG_EXEC, "Trace %p [" TARGET_FMT_lx "] %s\n",
+ tb->tc_ptr, tb->pc,
lookup_symbol(tb->pc));
#endif
/* see if we can patch the calling TB. When the TB
barrier();
if (likely(!env->exit_request)) {
tc_ptr = tb->tc_ptr;
- /* execute the generated code */
+ /* execute the generated code */
next_tb = tcg_qemu_tb_exec(env, tc_ptr);
if ((next_tb & 3) == 2) {
/* Instruction counter expired. */
int insns_left;
- tb = (TranslationBlock *)(long)(next_tb & ~3);
+ tb = (TranslationBlock *)(next_tb & ~3);
/* Restore PC. */
cpu_pc_from_tb(env, tb);
insns_left = env->icount_decr.u32;
| env->cc_dest | (env->cc_x << 4);
#elif defined(TARGET_MICROBLAZE)
#elif defined(TARGET_MIPS)
+#elif defined(TARGET_OPENRISC)
#elif defined(TARGET_SH4)
#elif defined(TARGET_ALPHA)
#elif defined(TARGET_CRIS)
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