initial global prologue/epilogue implementation
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4407 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/cpu-exec.c b/cpu-exec.c
index d003ddb..8d70c89 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -18,8 +18,10 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
+#define CPU_NO_GLOBAL_REGS
#include "exec.h"
#include "disas.h"
+#include "tcg.h"
#if !defined(CONFIG_SOFTMMU)
#undef EAX
@@ -292,7 +294,6 @@
#endif
#endif
int ret, interrupt_request;
- unsigned long (*gen_func)(void);
TranslationBlock *tb;
uint8_t *tc_ptr;
@@ -652,67 +653,7 @@
tc_ptr = tb->tc_ptr;
env->current_tb = tb;
/* execute the generated code */
- gen_func = (void *)tc_ptr;
-#if defined(__sparc__)
- __asm__ __volatile__("call %0\n\t"
- "mov %%o7,%%i0"
- : /* no outputs */
- : "r" (gen_func)
- : "i0", "i1", "i2", "i3", "i4", "i5",
- "o0", "o1", "o2", "o3", "o4", "o5",
- "l0", "l1", "l2", "l3", "l4", "l5",
- "l6", "l7");
-#elif defined(__hppa__)
- asm volatile ("ble 0(%%sr4,%1)\n"
- "copy %%r31,%%r18\n"
- "copy %%r28,%0\n"
- : "=r" (next_tb)
- : "r" (gen_func)
- : "r1", "r2", "r3", "r4", "r5", "r6", "r7",
- "r8", "r9", "r10", "r11", "r12", "r13",
- "r18", "r19", "r20", "r21", "r22", "r23",
- "r24", "r25", "r26", "r27", "r28", "r29",
- "r30", "r31");
-#elif defined(__arm__)
- asm volatile ("mov pc, %0\n\t"
- ".global exec_loop\n\t"
- "exec_loop:\n\t"
- : /* no outputs */
- : "r" (gen_func)
- : "r1", "r2", "r3", "r8", "r9", "r10", "r12", "r14");
-#elif defined(__ia64)
- struct fptr {
- void *ip;
- void *gp;
- } fp;
-
- fp.ip = tc_ptr;
- fp.gp = code_gen_buffer + 2 * (1 << 20);
- (*(void (*)(void)) &fp)();
-#elif defined(__i386)
- asm volatile ("sub $12, %%esp\n\t"
- "push %%ebp\n\t"
- "call *%1\n\t"
- "pop %%ebp\n\t"
- "add $12, %%esp\n\t"
- : "=a" (next_tb)
- : "a" (gen_func)
- : "ebx", "ecx", "edx", "esi", "edi", "cc",
- "memory");
-#elif defined(__x86_64__)
- asm volatile ("sub $8, %%rsp\n\t"
- "push %%rbp\n\t"
- "call *%1\n\t"
- "pop %%rbp\n\t"
- "add $8, %%rsp\n\t"
- : "=a" (next_tb)
- : "a" (gen_func)
- : "rbx", "rcx", "rdx", "rsi", "rdi", "r8", "r9",
- "r10", "r11", "r12", "r13", "r14", "r15", "cc",
- "memory");
-#else
- next_tb = gen_func();
-#endif
+ next_tb = tcg_qemu_tb_exec(tc_ptr);
env->current_tb = NULL;
/* reset soft MMU for next block (it can currently
only be set by a memory fault) */
