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-rw-r--r--cpu-all.h67
1 files changed, 49 insertions, 18 deletions
diff --git a/cpu-all.h b/cpu-all.h
index 88126ea651..880f570d56 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -123,8 +123,7 @@ typedef union {
endian ! */
typedef union {
float64 d;
-#if defined(HOST_WORDS_BIGENDIAN) \
- || (defined(__arm__) && !defined(__VFP_FP__) && !defined(CONFIG_SOFTFLOAT))
+#if defined(HOST_WORDS_BIGENDIAN)
struct {
uint32_t upper;
uint32_t lower;
@@ -138,7 +137,6 @@ typedef union {
uint64_t ll;
} CPU_DoubleU;
-#if defined(FLOATX80)
typedef union {
floatx80 d;
struct {
@@ -146,9 +144,7 @@ typedef union {
uint16_t upper;
} l;
} CPU_LDoubleU;
-#endif
-#if defined(CONFIG_SOFTFLOAT)
typedef union {
float128 q;
#if defined(HOST_WORDS_BIGENDIAN)
@@ -175,7 +171,6 @@ typedef union {
} ll;
#endif
} CPU_QuadU;
-#endif
/* CPU memory access without any memory or io remapping */
@@ -786,18 +781,54 @@ void QEMU_NORETURN cpu_abort(CPUState *env, const char *fmt, ...)
extern CPUState *first_cpu;
extern CPUState *cpu_single_env;
-#define CPU_INTERRUPT_HARD 0x02 /* hardware interrupt pending */
-#define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */
-#define CPU_INTERRUPT_TIMER 0x08 /* internal timer exception pending */
-#define CPU_INTERRUPT_FIQ 0x10 /* Fast interrupt pending. */
-#define CPU_INTERRUPT_HALT 0x20 /* CPU halt wanted */
-#define CPU_INTERRUPT_SMI 0x40 /* (x86 only) SMI interrupt pending */
-#define CPU_INTERRUPT_DEBUG 0x80 /* Debug event occured. */
-#define CPU_INTERRUPT_VIRQ 0x100 /* virtual interrupt pending. */
-#define CPU_INTERRUPT_NMI 0x200 /* NMI pending. */
-#define CPU_INTERRUPT_INIT 0x400 /* INIT pending. */
-#define CPU_INTERRUPT_SIPI 0x800 /* SIPI pending. */
-#define CPU_INTERRUPT_MCE 0x1000 /* (x86 only) MCE pending. */
+/* Flags for use in ENV->INTERRUPT_PENDING.
+
+ The numbers assigned here are non-sequential in order to preserve
+ binary compatibility with the vmstate dump. Bit 0 (0x0001) was
+ previously used for CPU_INTERRUPT_EXIT, and is cleared when loading
+ the vmstate dump. */
+
+/* External hardware interrupt pending. This is typically used for
+ interrupts from devices. */
+#define CPU_INTERRUPT_HARD 0x0002
+
+/* Exit the current TB. This is typically used when some system-level device
+ makes some change to the memory mapping. E.g. the a20 line change. */
+#define CPU_INTERRUPT_EXITTB 0x0004
+
+/* Halt the CPU. */
+#define CPU_INTERRUPT_HALT 0x0020
+
+/* Debug event pending. */
+#define CPU_INTERRUPT_DEBUG 0x0080
+
+/* Several target-specific external hardware interrupts. Each target/cpu.h
+ should define proper names based on these defines. */
+#define CPU_INTERRUPT_TGT_EXT_0 0x0008
+#define CPU_INTERRUPT_TGT_EXT_1 0x0010
+#define CPU_INTERRUPT_TGT_EXT_2 0x0040
+#define CPU_INTERRUPT_TGT_EXT_3 0x0200
+#define CPU_INTERRUPT_TGT_EXT_4 0x1000
+
+/* Several target-specific internal interrupts. These differ from the
+ preceeding target-specific interrupts in that they are intended to
+ originate from within the cpu itself, typically in response to some
+ instruction being executed. These, therefore, are not masked while
+ single-stepping within the debugger. */
+#define CPU_INTERRUPT_TGT_INT_0 0x0100
+#define CPU_INTERRUPT_TGT_INT_1 0x0400
+#define CPU_INTERRUPT_TGT_INT_2 0x0800
+
+/* First unused bit: 0x2000. */
+
+/* The set of all bits that should be masked when single-stepping. */
+#define CPU_INTERRUPT_SSTEP_MASK \
+ (CPU_INTERRUPT_HARD \
+ | CPU_INTERRUPT_TGT_EXT_0 \
+ | CPU_INTERRUPT_TGT_EXT_1 \
+ | CPU_INTERRUPT_TGT_EXT_2 \
+ | CPU_INTERRUPT_TGT_EXT_3 \
+ | CPU_INTERRUPT_TGT_EXT_4)
#ifndef CONFIG_USER_ONLY
typedef void (*CPUInterruptHandler)(CPUState *, int);