aboutsummaryrefslogtreecommitdiff
path: root/target/xtensa/cpu.h
diff options
context:
space:
mode:
authorMax Filippov <jcmvbkbc@gmail.com>2017-11-03 18:29:27 -0700
committerMax Filippov <jcmvbkbc@gmail.com>2017-12-18 21:26:19 -0800
commit168c12b024704400c3398d22e762c9018b6f33be (patch)
tree832f7ffa95a93dc7baa3ffe93e855b446865b782 /target/xtensa/cpu.h
parent7f709ce739d46ecd6df98921a20e9dce1dcc421b (diff)
target/xtensa: extract core opcode translators
Move implementations of core opcodes into separate translation functions. Introduce data structures for mapping opcode name to translator function. Make an array of core opcode/translator structures. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'target/xtensa/cpu.h')
-rw-r--r--target/xtensa/cpu.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h
index b17d7d96e9..d8f4034626 100644
--- a/target/xtensa/cpu.h
+++ b/target/xtensa/cpu.h
@@ -37,6 +37,7 @@
#include "cpu-qom.h"
#include "exec/cpu-defs.h"
#include "fpu/softfloat.h"
+#include "xtensa-isa.h"
#define NB_MMU_MODES 4
@@ -205,6 +206,8 @@ enum {
#define MEMCTL_DSNP 0x2
#define MEMCTL_IL0EN 0x1
+#define MAX_INSN_LENGTH 64
+#define MAX_OPCODE_ARGS 16
#define MAX_NAREG 64
#define MAX_NINTERRUPT 32
#define MAX_NLEVEL 6
@@ -330,6 +333,23 @@ typedef struct XtensaMemory {
} location[MAX_NMEMORY];
} XtensaMemory;
+typedef struct DisasContext DisasContext;
+typedef void (*XtensaOpcodeOp)(DisasContext *dc, const uint32_t arg[],
+ const uint32_t par[]);
+
+typedef struct XtensaOpcodeOps {
+ const char *name;
+ XtensaOpcodeOp translate;
+ const uint32_t *par;
+} XtensaOpcodeOps;
+
+typedef struct XtensaOpcodeTranslators {
+ unsigned num_opcodes;
+ const XtensaOpcodeOps *opcode;
+} XtensaOpcodeTranslators;
+
+extern const XtensaOpcodeTranslators xtensa_core_opcodes;
+
struct XtensaConfig {
const char *name;
uint64_t options;
@@ -370,6 +390,8 @@ struct XtensaConfig {
uint32_t configid[2];
+ void *isa_internal;
+
uint32_t clock_freq_khz;
xtensa_tlb itlb;
@@ -522,6 +544,8 @@ static inline void xtensa_select_static_vectors(CPUXtensaState *env,
env->static_vectors = n;
}
void xtensa_runstall(CPUXtensaState *env, bool runstall);
+XtensaOpcodeOps *xtensa_find_opcode_ops(const XtensaOpcodeTranslators *t,
+ const char *opcode);
#define XTENSA_OPTION_BIT(opt) (((uint64_t)1) << (opt))
#define XTENSA_OPTION_ALL (~(uint64_t)0)