X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=exec-all.h;h=9b8d62c239ebab20a1c09f3f266a532285738343;hb=b89f4a7d2a9d4261288ae4d75ae103177c172c3f;hp=0afaae86d1b150cdc753ae9781bcb1aa8aa7e0ab;hpb=5579c7f37ebba03f6732b4353cc7dc9fa497b7c2;p=qemu.git diff --git a/exec-all.h b/exec-all.h index 0afaae86d..9b8d62c23 100644 --- a/exec-all.h +++ b/exec-all.h @@ -14,8 +14,7 @@ * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA + * License along with this library; if not, see . */ #ifndef _EXEC_ALL_H_ @@ -26,78 +25,84 @@ /* allow to see translation results - the slowdown should be negligible, so we leave it */ #define DEBUG_DISAS +/* Page tracking code uses ram addresses in system mode, and virtual + addresses in userspace mode. Define tb_page_addr_t to be an appropriate + type. */ +#if defined(CONFIG_USER_ONLY) +typedef abi_ulong tb_page_addr_t; +#else +typedef ram_addr_t tb_page_addr_t; +#endif + /* is_jmp field values */ #define DISAS_NEXT 0 /* next instruction can be analyzed */ #define DISAS_JUMP 1 /* only pc was modified dynamically */ #define DISAS_UPDATE 2 /* cpu state was modified dynamically */ #define DISAS_TB_JUMP 3 /* only pc was modified statically */ +struct TranslationBlock; typedef struct TranslationBlock TranslationBlock; /* XXX: make safe guess about sizes */ -#define MAX_OP_PER_INSTR 64 -/* A Call op needs up to 6 + 2N parameters (N = number of arguments). */ -#define MAX_OPC_PARAM 10 -#define OPC_BUF_SIZE 512 +#define MAX_OP_PER_INSTR 208 + +#if HOST_LONG_BITS == 32 +#define MAX_OPC_PARAM_PER_ARG 2 +#else +#define MAX_OPC_PARAM_PER_ARG 1 +#endif +#define MAX_OPC_PARAM_IARGS 4 +#define MAX_OPC_PARAM_OARGS 1 +#define MAX_OPC_PARAM_ARGS (MAX_OPC_PARAM_IARGS + MAX_OPC_PARAM_OARGS) + +/* A Call op needs up to 4 + 2N parameters on 32-bit archs, + * and up to 4 + N parameters on 64-bit archs + * (N = number of input arguments + output arguments). */ +#define MAX_OPC_PARAM (4 + (MAX_OPC_PARAM_PER_ARG * MAX_OPC_PARAM_ARGS)) +#define OPC_BUF_SIZE 640 #define OPC_MAX_SIZE (OPC_BUF_SIZE - MAX_OP_PER_INSTR) /* Maximum size a TCG op can expand to. This is complicated because a - single op may require several host instructions and regirster reloads. - For now take a wild guess at 128 bytes, which should allow at least + single op may require several host instructions and register reloads. + For now take a wild guess at 192 bytes, which should allow at least a couple of fixup instructions per argument. */ -#define TCG_MAX_OP_SIZE 128 +#define TCG_MAX_OP_SIZE 192 #define OPPARAM_BUF_SIZE (OPC_BUF_SIZE * MAX_OPC_PARAM) 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]; extern uint8_t gen_opc_instr_start[OPC_BUF_SIZE]; extern uint16_t gen_opc_icount[OPC_BUF_SIZE]; -extern target_ulong gen_opc_jump_pc[2]; -extern uint32_t gen_opc_hflags[OPC_BUF_SIZE]; #include "qemu-log.h" void gen_intermediate_code(CPUState *env, struct TranslationBlock *tb); void gen_intermediate_code_pc(CPUState *env, struct TranslationBlock *tb); -void gen_pc_load(CPUState *env, struct TranslationBlock *tb, - unsigned long searched_pc, int pc_pos, void *puc); +void restore_state_to_opc(CPUState *env, struct TranslationBlock *tb, + int pc_pos); -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, - CPUState *env, unsigned long searched_pc, - void *puc); -int cpu_restore_state_copy(struct TranslationBlock *tb, - CPUState *env, unsigned long searched_pc, - void *puc); + CPUState *env, unsigned long searched_pc); void cpu_resume_from_signal(CPUState *env1, void *puc); void cpu_io_recompile(CPUState *env, void *retaddr); TranslationBlock *tb_gen_code(CPUState *env, target_ulong pc, target_ulong cs_base, int flags, int cflags); void cpu_exec_init(CPUState *env); -void QEMU_NORETURN cpu_loop_exit(void); +void QEMU_NORETURN cpu_loop_exit(CPUState *env1); int page_unprotect(target_ulong address, unsigned long pc, void *puc); -void tb_invalidate_phys_page_range(target_phys_addr_t start, target_phys_addr_t end, +void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end, int is_cpu_write_access); -void tb_invalidate_page_range(target_ulong start, target_ulong end); void tlb_flush_page(CPUState *env, target_ulong addr); void tlb_flush(CPUState *env, int flush_global); -int tlb_set_page_exec(CPUState *env, target_ulong vaddr, - target_phys_addr_t paddr, int prot, - int mmu_idx, int is_softmmu); -static inline int tlb_set_page(CPUState *env1, target_ulong vaddr, - target_phys_addr_t paddr, int prot, - int mmu_idx, int is_softmmu) -{ - if (prot & PAGE_READ) - prot |= PAGE_EXEC; - return tlb_set_page_exec(env1, vaddr, paddr, prot, mmu_idx, is_softmmu); -} +#if !defined(CONFIG_USER_ONLY) +void tlb_set_page(CPUState *env, target_ulong vaddr, + target_phys_addr_t paddr, int prot, + int mmu_idx, target_ulong size); +#endif #define CODE_GEN_ALIGN 16 /* must be >= of the size of a icache line */ @@ -115,10 +120,7 @@ static inline int tlb_set_page(CPUState *env1, target_ulong vaddr, #define CODE_GEN_AVG_BLOCK_SIZE 64 #endif -#if defined(_ARCH_PPC) || defined(__x86_64__) || defined(__arm__) -#define USE_DIRECT_JUMP -#endif -#if defined(__i386__) && !defined(_WIN32) +#if defined(_ARCH_PPC) || defined(__x86_64__) || defined(__arm__) || defined(__i386__) #define USE_DIRECT_JUMP #endif @@ -138,13 +140,13 @@ struct TranslationBlock { /* first and second physical page containing code. The lower bit of the pointer tells the index in page_next[] */ struct TranslationBlock *page_next[2]; - target_ulong page_addr[2]; + tb_page_addr_t page_addr[2]; /* the following data are used to directly call another TB from the code of this one. */ uint16_t tb_next_offset[2]; /* offset of original jump target */ #ifdef USE_DIRECT_JUMP - uint16_t tb_jmp_offset[4]; /* offset of jump instruction */ + uint16_t tb_jmp_offset[2]; /* offset of jump instruction */ #else unsigned long tb_next[2]; /* address of jump generated code */ #endif @@ -172,26 +174,23 @@ static inline unsigned int tb_jmp_cache_hash_func(target_ulong pc) | (tmp & TB_JMP_ADDR_MASK)); } -static inline unsigned int tb_phys_hash_func(unsigned long pc) +static inline unsigned int tb_phys_hash_func(tb_page_addr_t pc) { - return pc & (CODE_GEN_PHYS_HASH_SIZE - 1); + return (pc >> 2) & (CODE_GEN_PHYS_HASH_SIZE - 1); } -TranslationBlock *tb_alloc(target_ulong pc); void tb_free(TranslationBlock *tb); void tb_flush(CPUState *env); -void tb_link_phys(TranslationBlock *tb, - target_ulong phys_pc, target_ulong phys_page2); -void tb_phys_invalidate(TranslationBlock *tb, target_ulong page_addr); +void tb_link_page(TranslationBlock *tb, + tb_page_addr_t phys_pc, tb_page_addr_t phys_page2); +void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr); extern TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE]; -extern uint8_t *code_gen_ptr; -extern int code_gen_max_blocks; #if defined(USE_DIRECT_JUMP) #if defined(_ARCH_PPC) -extern void ppc_tb_set_jmp_target(unsigned long jmp_addr, unsigned long addr); +void ppc_tb_set_jmp_target(unsigned long jmp_addr, unsigned long addr); #define tb_set_jmp_target1 ppc_tb_set_jmp_target #elif defined(__i386__) || defined(__x86_64__) static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr) @@ -203,19 +202,19 @@ static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr #elif defined(__arm__) static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr) { -#if QEMU_GNUC_PREREQ(4, 1) - void __clear_cache(char *beg, char *end); -#else +#if !QEMU_GNUC_PREREQ(4, 1) register unsigned long _beg __asm ("a1"); register unsigned long _end __asm ("a2"); register unsigned long _flg __asm ("a3"); #endif /* we could use a ldr pc, [pc, #-4] kind of branch and avoid the flush */ - *(uint32_t *)jmp_addr |= ((addr - (jmp_addr + 8)) >> 2) & 0xffffff; + *(uint32_t *)jmp_addr = + (*(uint32_t *)jmp_addr & ~0xffffff) + | (((addr - (jmp_addr + 8)) >> 2) & 0xffffff); #if QEMU_GNUC_PREREQ(4, 1) - __clear_cache((char *) jmp_addr, (char *) jmp_addr + 4); + __builtin___clear_cache((char *) jmp_addr, (char *) jmp_addr + 4); #else /* flush icache */ _beg = jmp_addr; @@ -233,9 +232,6 @@ static inline void tb_set_jmp_target(TranslationBlock *tb, offset = tb->tb_jmp_offset[n]; tb_set_jmp_target1((unsigned long)(tb->tc_ptr + offset), addr); - offset = tb->tb_jmp_offset[n + 2]; - if (offset != 0xffff) - tb_set_jmp_target1((unsigned long)(tb->tc_ptr + offset), addr); } #else @@ -265,10 +261,6 @@ static inline void tb_add_jump(TranslationBlock *tb, int n, TranslationBlock *tb_find_pc(unsigned long pc_ptr); -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]; - #include "qemu-lock.h" extern spinlock_t tb_lock; @@ -277,6 +269,10 @@ extern int tb_invalidated_flag; #if !defined(CONFIG_USER_ONLY) +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]; + void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr); @@ -305,7 +301,7 @@ void tlb_fill(target_ulong addr, int is_write, int mmu_idx, #endif #if defined(CONFIG_USER_ONLY) -static inline target_ulong get_phys_addr_code(CPUState *env1, target_ulong addr) +static inline tb_page_addr_t get_page_addr_code(CPUState *env1, target_ulong addr) { return addr; } @@ -313,7 +309,7 @@ static inline target_ulong get_phys_addr_code(CPUState *env1, target_ulong addr) /* NOTE: this function can trigger an exception */ /* NOTE2: the returned address is not exactly the physical address: it is the offset relative to phys_ram_base */ -static inline target_ulong get_phys_addr_code(CPUState *env1, target_ulong addr) +static inline tb_page_addr_t get_page_addr_code(CPUState *env1, target_ulong addr) { int mmu_idx, page_index, pd; void *p; @@ -326,64 +322,18 @@ static inline target_ulong get_phys_addr_code(CPUState *env1, target_ulong addr) } pd = env1->tlb_table[mmu_idx][page_index].addr_code & ~TARGET_PAGE_MASK; if (pd > IO_MEM_ROM && !(pd & IO_MEM_ROMD)) { -#if defined(TARGET_SPARC) || defined(TARGET_MIPS) - do_unassigned_access(addr, 0, 1, 0, 4); +#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_SPARC) + cpu_unassigned_access(env1, addr, 0, 1, 0, 4); #else cpu_abort(env1, "Trying to execute code outside RAM or ROM at 0x" TARGET_FMT_lx "\n", addr); #endif } p = (void *)(unsigned long)addr + env1->tlb_table[mmu_idx][page_index].addend; - return qemu_ram_addr_from_host(p); -} - -/* Deterministic execution requires that IO only be performed on the last - instruction of a TB so that interrupts take effect immediately. */ -static inline int can_do_io(CPUState *env) -{ - if (!use_icount) - return 1; - - /* If not executing code then assume we are ok. */ - if (!env->current_tb) - return 1; - - return env->can_do_io != 0; + return qemu_ram_addr_from_host_nofail(p); } #endif -#ifdef USE_KQEMU -#define KQEMU_MODIFY_PAGE_MASK (0xff & ~(VGA_DIRTY_FLAG | CODE_DIRTY_FLAG)) - -#define MSR_QPI_COMMBASE 0xfabe0010 - -int kqemu_init(CPUState *env); -int kqemu_cpu_exec(CPUState *env); -void kqemu_flush_page(CPUState *env, target_ulong addr); -void kqemu_flush(CPUState *env, int global); -void kqemu_set_notdirty(CPUState *env, ram_addr_t ram_addr); -void kqemu_modify_page(CPUState *env, ram_addr_t ram_addr); -void kqemu_set_phys_mem(uint64_t start_addr, ram_addr_t size, - ram_addr_t phys_offset); -void kqemu_cpu_interrupt(CPUState *env); -void kqemu_record_dump(void); - -extern uint32_t kqemu_comm_base; - -static inline int kqemu_is_ok(CPUState *env) -{ - return(env->kqemu_enabled && - (env->cr[0] & CR0_PE_MASK) && - !(env->hflags & HF_INHIBIT_IRQ_MASK) && - (env->eflags & IF_MASK) && - !(env->eflags & VM_MASK) && - (env->kqemu_enabled == 2 || - ((env->hflags & HF_CPL_MASK) == 3 && - (env->eflags & IOPL_MASK) != IOPL_MASK))); -} - -#endif - typedef void (CPUDebugExcpHandler)(CPUState *env); CPUDebugExcpHandler *cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler); @@ -391,4 +341,7 @@ CPUDebugExcpHandler *cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler); /* vl.c */ extern int singlestep; +/* cpu-exec.c */ +extern volatile sig_atomic_t exit_request; + #endif