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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2008-02-01 10:50:11 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2008-02-01 10:50:11 +0000
commit57fec1fee94aa9f7d2519e8c354f100fc36bc9fa (patch)
treedd3381d7ab3c77532719ea9366782b27f09bfc87 /exec-all.h
parentc896fe29d6c8ae6cde3917727812ced3f2e536a4 (diff)
use the TCG code generator
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3944 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'exec-all.h')
-rw-r--r--exec-all.h55
1 files changed, 5 insertions, 50 deletions
diff --git a/exec-all.h b/exec-all.h
index e7c4806010..cf723994eb 100644
--- a/exec-all.h
+++ b/exec-all.h
@@ -36,10 +36,6 @@ struct TranslationBlock;
#define OPPARAM_BUF_SIZE (OPC_BUF_SIZE * 3)
-extern uint16_t gen_opc_buf[OPC_BUF_SIZE];
-extern uint32_t gen_opparam_buf[OPPARAM_BUF_SIZE];
-extern long gen_labels[OPC_BUF_SIZE];
-extern int nb_gen_labels;
extern target_ulong gen_opc_pc[OPC_BUF_SIZE];
extern target_ulong gen_opc_npc[OPC_BUF_SIZE];
extern uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
@@ -63,8 +59,8 @@ extern int loglevel;
int gen_intermediate_code(CPUState *env, struct TranslationBlock *tb);
int gen_intermediate_code_pc(CPUState *env, struct TranslationBlock *tb);
-void dump_ops(const uint16_t *opc_buf, const uint32_t *opparam_buf);
unsigned long code_gen_max_block_size(void);
+void cpu_gen_init(void);
int cpu_gen_code(CPUState *env, struct TranslationBlock *tb,
int *gen_code_size_ptr);
int cpu_restore_state(struct TranslationBlock *tb,
@@ -120,6 +116,7 @@ static inline int tlb_set_page(CPUState *env, target_ulong vaddr,
#elif defined(__powerpc__)
#define CODE_GEN_BUFFER_SIZE (6 * 1024 * 1024)
#else
+/* XXX: make it dynamic on x86 */
#define CODE_GEN_BUFFER_SIZE (16 * 1024 * 1024)
#endif
@@ -136,7 +133,7 @@ static inline int tlb_set_page(CPUState *env, target_ulong vaddr,
#define CODE_GEN_MAX_BLOCKS (CODE_GEN_BUFFER_SIZE / CODE_GEN_AVG_BLOCK_SIZE)
-#if defined(__powerpc__)
+#if defined(__powerpc__) || defined(__x86_64__)
#define USE_DIRECT_JUMP
#endif
#if defined(__i386__) && !defined(_WIN32)
@@ -169,7 +166,7 @@ typedef struct TranslationBlock {
#ifdef USE_DIRECT_JUMP
uint16_t tb_jmp_offset[4]; /* offset of jump instruction */
#else
- uint32_t tb_next[2]; /* address of jump generated code */
+ unsigned long tb_next[2]; /* address of jump generated code */
#endif
/* list of TBs jumping to this one. This is a circular list using
the two least significant bits of the pointers to tell what is
@@ -228,7 +225,7 @@ static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr
asm volatile ("sync" : : : "memory");
asm volatile ("isync" : : : "memory");
}
-#elif defined(__i386__)
+#elif defined(__i386__) || defined(__x86_64__)
static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr)
{
/* patch the branch destination */
@@ -294,48 +291,6 @@ TranslationBlock *tb_find_pc(unsigned long pc_ptr);
#define ASM_OP_LABEL_NAME(n, opname) \
ASM_NAME(__op_label) #n "." ASM_NAME(opname)
-#if defined(__powerpc__)
-
-/* we patch the jump instruction directly */
-#define GOTO_TB(opname, tbparam, n)\
-do {\
- asm volatile (ASM_DATA_SECTION\
- ASM_OP_LABEL_NAME(n, opname) ":\n"\
- ".long 1f\n"\
- ASM_PREVIOUS_SECTION \
- "b " ASM_NAME(__op_jmp) #n "\n"\
- "1:\n");\
-} while (0)
-
-#elif defined(__i386__) && defined(USE_DIRECT_JUMP)
-
-/* we patch the jump instruction directly */
-#define GOTO_TB(opname, tbparam, n)\
-do {\
- asm volatile (".section .data\n"\
- ASM_OP_LABEL_NAME(n, opname) ":\n"\
- ".long 1f\n"\
- ASM_PREVIOUS_SECTION \
- "jmp " ASM_NAME(__op_jmp) #n "\n"\
- "1:\n");\
-} while (0)
-
-#else
-
-/* jump to next block operations (more portable code, does not need
- cache flushing, but slower because of indirect jump) */
-#define GOTO_TB(opname, tbparam, n)\
-do {\
- static void __attribute__((used)) *dummy ## n = &&dummy_label ## n;\
- static void __attribute__((used)) *__op_label ## n \
- __asm__(ASM_OP_LABEL_NAME(n, opname)) = &&label ## n;\
- goto *(void *)(((TranslationBlock *)tbparam)->tb_next[n]);\
-label ## n: ;\
-dummy_label ## n: ;\
-} while (0)
-
-#endif
-
extern CPUWriteMemoryFunc *io_mem_write[IO_MEM_NB_ENTRIES][4];
extern CPUReadMemoryFunc *io_mem_read[IO_MEM_NB_ENTRIES][4];
extern void *io_mem_opaque[IO_MEM_NB_ENTRIES];