virtio-ccw: range check in READ_VQ_CONF

[qemu.git] / target-xtensa / cpu.h

diff --git a/target-xtensa/cpu.h b/target-xtensa/cpu.h
index 5acf78c692bc60e669e9a83c4313c9575c6a095d..dfd0d1ceda5a1db1e7eb78377f16519b7c514aea 100644 (file)
--- a/target-xtensa/cpu.h
+++ b/target-xtensa/cpu.h
@@ -28,6 +28,7 @@
 #ifndef CPU_XTENSA_H
 #define CPU_XTENSA_H
 
+#define ALIGNED_ONLY
 #define TARGET_LONG_BITS 32
 #define ELF_MACHINE EM_XTENSA
 
@@ -38,8 +39,6 @@
 #include "exec/cpu-defs.h"
 #include "fpu/softfloat.h"
 
-#define TARGET_HAS_ICE 1
-
 #define NB_MMU_MODES 4
 
 #define TARGET_PHYS_ADDR_SPACE_BITS 32
@@ -135,9 +134,11 @@ enum {
     IBREAKA = 128,
     DBREAKA = 144,
     DBREAKC = 160,
+    CONFIGID0 = 176,
     EPC1 = 177,
     DEPC = 192,
     EPS2 = 194,
+    CONFIGID1 = 208,
     EXCSAVE1 = 209,
     CPENABLE = 224,
     INTSET = 226,
@@ -263,6 +264,7 @@ typedef enum {
     INTTYPE_TIMER,
     INTTYPE_DEBUG,
     INTTYPE_WRITE_ERR,
+    INTTYPE_PROFILING,
     INTTYPE_MAX
 } interrupt_type;
 
@@ -321,6 +323,8 @@ typedef struct XtensaConfig {
     unsigned nibreak;
     unsigned ndbreak;
 
+    uint32_t configid[2];
+
     uint32_t clock_freq_khz;
 
     xtensa_tlb itlb;
@@ -355,7 +359,7 @@ typedef struct CPUXtensaState {
     int exception_taken;
 
     /* Watchpoints for DBREAK registers */
-    CPUWatchpoint *cpu_watchpoint[MAX_NDBREAK];
+    struct CPUWatchpoint *cpu_watchpoint[MAX_NDBREAK];
 
     CPU_COMMON
 } CPUXtensaState;
@@ -375,19 +379,12 @@ typedef struct CPUXtensaState {
 
 XtensaCPU *cpu_xtensa_init(const char *cpu_model);
 
-static inline CPUXtensaState *cpu_init(const char *cpu_model)
-{
-    XtensaCPU *cpu = cpu_xtensa_init(cpu_model);
-    if (cpu == NULL) {
-        return NULL;
-    }
-    return &cpu->env;
-}
+#define cpu_init(cpu_model) CPU(cpu_xtensa_init(cpu_model))
 
 void xtensa_translate_init(void);
+void xtensa_breakpoint_handler(CPUState *cs);
 int cpu_xtensa_exec(CPUXtensaState *s);
 void xtensa_register_core(XtensaConfigList *node);
-void do_interrupt(CPUXtensaState *s);
 void check_interrupts(CPUXtensaState *s);
 void xtensa_irq_init(CPUXtensaState *env);
 void *xtensa_get_extint(CPUXtensaState *env, unsigned extint);
@@ -466,6 +463,12 @@ static inline xtensa_tlb_entry *xtensa_tlb_get_entry(CPUXtensaState *env,
         env->itlb[wi] + ei;
 }
 
+static inline uint32_t xtensa_replicate_windowstart(CPUXtensaState *env)
+{
+    return env->sregs[WINDOW_START] |
+        (env->sregs[WINDOW_START] << env->config->nareg / 4);
+}
+
 /* MMU modes definitions */
 #define MMU_MODE0_SUFFIX _ring0
 #define MMU_MODE1_SUFFIX _ring1
@@ -484,10 +487,15 @@ static inline int cpu_mmu_index(CPUXtensaState *env)
 #define XTENSA_TBFLAG_ICOUNT 0x20
 #define XTENSA_TBFLAG_CPENABLE_MASK 0x3fc0
 #define XTENSA_TBFLAG_CPENABLE_SHIFT 6
+#define XTENSA_TBFLAG_EXCEPTION 0x4000
+#define XTENSA_TBFLAG_WINDOW_MASK 0x18000
+#define XTENSA_TBFLAG_WINDOW_SHIFT 15
 
 static inline void cpu_get_tb_cpu_state(CPUXtensaState *env, target_ulong *pc,
         target_ulong *cs_base, int *flags)
 {
+    CPUState *cs = CPU(xtensa_env_get_cpu(env));
+
     *pc = env->pc;
     *cs_base = 0;
     *flags = 0;
@@ -510,21 +518,22 @@ static inline void cpu_get_tb_cpu_state(CPUXtensaState *env, target_ulong *pc,
     if (xtensa_option_enabled(env->config, XTENSA_OPTION_COPROCESSOR)) {
         *flags |= env->sregs[CPENABLE] << XTENSA_TBFLAG_CPENABLE_SHIFT;
     }
+    if (cs->singlestep_enabled && env->exception_taken) {
+        *flags |= XTENSA_TBFLAG_EXCEPTION;
+    }
+    if (xtensa_option_enabled(env->config, XTENSA_OPTION_WINDOWED_REGISTER) &&
+        (env->sregs[PS] & (PS_WOE | PS_EXCM)) == PS_WOE) {
+        uint32_t windowstart = xtensa_replicate_windowstart(env) >>
+            (env->sregs[WINDOW_BASE] + 1);
+        uint32_t w = ctz32(windowstart | 0x8);
+
+        *flags |= w << XTENSA_TBFLAG_WINDOW_SHIFT;
+    } else {
+        *flags |= 3 << XTENSA_TBFLAG_WINDOW_SHIFT;
+    }
 }
 
 #include "exec/cpu-all.h"
 #include "exec/exec-all.h"
 
-static inline int cpu_has_work(CPUState *cpu)
-{
-    CPUXtensaState *env = &XTENSA_CPU(cpu)->env;
-
-    return env->pending_irq_level;
-}
-
-static inline void cpu_pc_from_tb(CPUXtensaState *env, TranslationBlock *tb)
-{
-    env->pc = tb->pc;
-}
-
 #endif