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author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-01-09 00:07:04 +0000 |
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committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-01-09 00:07:04 +0000 |
commit | ae063a68dc39f2ee1c87ea2a41c468ba7256acbb (patch) | |
tree | 9832d6a60bb48403fc961ca0636fd421ea4824ed /exec-all.h | |
parent | 8636b5d873d6fa5696385da80ddd5f03e1a5de4c (diff) | |
download | hqemu-ae063a68dc39f2ee1c87ea2a41c468ba7256acbb.zip hqemu-ae063a68dc39f2ee1c87ea2a41c468ba7256acbb.tar.gz |
generalized use of GOTO_TB() macro
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1207 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'exec-all.h')
-rw-r--r-- | exec-all.h | 54 |
1 files changed, 14 insertions, 40 deletions
@@ -322,7 +322,7 @@ TranslationBlock *tb_find_pc(unsigned long pc_ptr); #if defined(__powerpc__) /* we patch the jump instruction directly */ -#define JUMP_TB(opname, tbparam, n, eip)\ +#define GOTO_TB(opname, tbparam, n)\ do {\ asm volatile (ASM_DATA_SECTION\ ASM_NAME(__op_label) #n "." ASM_NAME(opname) ":\n"\ @@ -330,20 +330,12 @@ do {\ ASM_PREVIOUS_SECTION \ "b " ASM_NAME(__op_jmp) #n "\n"\ "1:\n");\ - T0 = (long)(tbparam) + (n);\ - EIP = (int32_t)eip;\ - EXIT_TB();\ -} while (0) - -#define JUMP_TB2(opname, tbparam, n)\ -do {\ - asm volatile ("b " ASM_NAME(__op_jmp) #n "\n");\ } while (0) #elif defined(__i386__) && defined(USE_DIRECT_JUMP) /* we patch the jump instruction directly */ -#define GOTO_TB(opname, n)\ +#define GOTO_TB(opname, tbparam, n)\ do {\ asm volatile (".section .data\n"\ ASM_NAME(__op_label) #n "." ASM_NAME(opname) ":\n"\ @@ -353,48 +345,30 @@ do {\ "1:\n");\ } while (0) -#define JUMP_TB(opname, tbparam, n, eip)\ -do {\ - asm volatile (".section .data\n"\ - ASM_NAME(__op_label) #n "." ASM_NAME(opname) ":\n"\ - ".long 1f\n"\ - ASM_PREVIOUS_SECTION \ - "jmp " ASM_NAME(__op_jmp) #n "\n"\ - "1:\n");\ - T0 = (long)(tbparam) + (n);\ - EIP = (int32_t)eip;\ - EXIT_TB();\ -} while (0) - -#define JUMP_TB2(opname, tbparam, n)\ -do {\ - asm volatile ("jmp " ASM_NAME(__op_jmp) #n "\n");\ -} while (0) - #else /* jump to next block operations (more portable code, does not need cache flushing, but slower because of indirect jump) */ -#define JUMP_TB(opname, tbparam, n, eip)\ +#define GOTO_TB(opname, tbparam, n)\ do {\ - static void __attribute__((unused)) *__op_label ## n = &&label ## n;\ static void __attribute__((unused)) *dummy ## n = &&dummy_label ## n;\ + static void __attribute__((unused)) *__op_label ## n = &&label ## n;\ goto *(void *)(((TranslationBlock *)tbparam)->tb_next[n]);\ -label ## n:\ - T0 = (long)(tbparam) + (n);\ - EIP = (int32_t)eip;\ -dummy_label ## n:\ - EXIT_TB();\ +label ## n: ;\ +dummy_label ## n: ;\ } while (0) -/* second jump to same destination 'n' */ -#define JUMP_TB2(opname, tbparam, n)\ +#endif + +/* XXX: will be suppressed */ +#define JUMP_TB(opname, tbparam, n, eip)\ do {\ - goto *(void *)(((TranslationBlock *)tbparam)->tb_next[n - 2]);\ + GOTO_TB(opname, tbparam, n);\ + T0 = (long)(tbparam) + (n);\ + EIP = (int32_t)eip;\ + EXIT_TB();\ } 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]; |