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Diffstat (limited to 'tcg/tcg.h')
| -rw-r--r-- | tcg/tcg.h | 1430 |
1 files changed, 0 insertions, 1430 deletions
diff --git a/tcg/tcg.h b/tcg/tcg.h deleted file mode 100644 index 54e5446880..0000000000 --- a/tcg/tcg.h +++ /dev/null @@ -1,1430 +0,0 @@ -/* - * Tiny Code Generator for QEMU - * - * Copyright (c) 2008 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#ifndef TCG_H -#define TCG_H - -#include "cpu.h" -#include "exec/memop.h" -#include "exec/tb-context.h" -#include "qemu/bitops.h" -#include "qemu/plugin.h" -#include "qemu/queue.h" -#include "tcg/tcg-mo.h" -#include "tcg-target.h" -#include "qemu/int128.h" - -/* XXX: make safe guess about sizes */ -#define MAX_OP_PER_INSTR 266 - -#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 6 -#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 CPU_TEMP_BUF_NLONGS 128 - -/* Default target word size to pointer size. */ -#ifndef TCG_TARGET_REG_BITS -# if UINTPTR_MAX == UINT32_MAX -# define TCG_TARGET_REG_BITS 32 -# elif UINTPTR_MAX == UINT64_MAX -# define TCG_TARGET_REG_BITS 64 -# else -# error Unknown pointer size for tcg target -# endif -#endif - -#if TCG_TARGET_REG_BITS == 32 -typedef int32_t tcg_target_long; -typedef uint32_t tcg_target_ulong; -#define TCG_PRIlx PRIx32 -#define TCG_PRIld PRId32 -#elif TCG_TARGET_REG_BITS == 64 -typedef int64_t tcg_target_long; -typedef uint64_t tcg_target_ulong; -#define TCG_PRIlx PRIx64 -#define TCG_PRIld PRId64 -#else -#error unsupported -#endif - -/* Oversized TCG guests make things like MTTCG hard - * as we can't use atomics for cputlb updates. - */ -#if TARGET_LONG_BITS > TCG_TARGET_REG_BITS -#define TCG_OVERSIZED_GUEST 1 -#else -#define TCG_OVERSIZED_GUEST 0 -#endif - -#if TCG_TARGET_NB_REGS <= 32 -typedef uint32_t TCGRegSet; -#elif TCG_TARGET_NB_REGS <= 64 -typedef uint64_t TCGRegSet; -#else -#error unsupported -#endif - -#if TCG_TARGET_REG_BITS == 32 -/* Turn some undef macros into false macros. */ -#define TCG_TARGET_HAS_extrl_i64_i32 0 -#define TCG_TARGET_HAS_extrh_i64_i32 0 -#define TCG_TARGET_HAS_div_i64 0 -#define TCG_TARGET_HAS_rem_i64 0 -#define TCG_TARGET_HAS_div2_i64 0 -#define TCG_TARGET_HAS_rot_i64 0 -#define TCG_TARGET_HAS_ext8s_i64 0 -#define TCG_TARGET_HAS_ext16s_i64 0 -#define TCG_TARGET_HAS_ext32s_i64 0 -#define TCG_TARGET_HAS_ext8u_i64 0 -#define TCG_TARGET_HAS_ext16u_i64 0 -#define TCG_TARGET_HAS_ext32u_i64 0 -#define TCG_TARGET_HAS_bswap16_i64 0 -#define TCG_TARGET_HAS_bswap32_i64 0 -#define TCG_TARGET_HAS_bswap64_i64 0 -#define TCG_TARGET_HAS_neg_i64 0 -#define TCG_TARGET_HAS_not_i64 0 -#define TCG_TARGET_HAS_andc_i64 0 -#define TCG_TARGET_HAS_orc_i64 0 -#define TCG_TARGET_HAS_eqv_i64 0 -#define TCG_TARGET_HAS_nand_i64 0 -#define TCG_TARGET_HAS_nor_i64 0 -#define TCG_TARGET_HAS_clz_i64 0 -#define TCG_TARGET_HAS_ctz_i64 0 -#define TCG_TARGET_HAS_ctpop_i64 0 -#define TCG_TARGET_HAS_deposit_i64 0 -#define TCG_TARGET_HAS_extract_i64 0 -#define TCG_TARGET_HAS_sextract_i64 0 -#define TCG_TARGET_HAS_extract2_i64 0 -#define TCG_TARGET_HAS_movcond_i64 0 -#define TCG_TARGET_HAS_add2_i64 0 -#define TCG_TARGET_HAS_sub2_i64 0 -#define TCG_TARGET_HAS_mulu2_i64 0 -#define TCG_TARGET_HAS_muls2_i64 0 -#define TCG_TARGET_HAS_muluh_i64 0 -#define TCG_TARGET_HAS_mulsh_i64 0 -/* Turn some undef macros into true macros. */ -#define TCG_TARGET_HAS_add2_i32 1 -#define TCG_TARGET_HAS_sub2_i32 1 -#endif - -#ifndef TCG_TARGET_deposit_i32_valid -#define TCG_TARGET_deposit_i32_valid(ofs, len) 1 -#endif -#ifndef TCG_TARGET_deposit_i64_valid -#define TCG_TARGET_deposit_i64_valid(ofs, len) 1 -#endif -#ifndef TCG_TARGET_extract_i32_valid -#define TCG_TARGET_extract_i32_valid(ofs, len) 1 -#endif -#ifndef TCG_TARGET_extract_i64_valid -#define TCG_TARGET_extract_i64_valid(ofs, len) 1 -#endif - -/* Only one of DIV or DIV2 should be defined. */ -#if defined(TCG_TARGET_HAS_div_i32) -#define TCG_TARGET_HAS_div2_i32 0 -#elif defined(TCG_TARGET_HAS_div2_i32) -#define TCG_TARGET_HAS_div_i32 0 -#define TCG_TARGET_HAS_rem_i32 0 -#endif -#if defined(TCG_TARGET_HAS_div_i64) -#define TCG_TARGET_HAS_div2_i64 0 -#elif defined(TCG_TARGET_HAS_div2_i64) -#define TCG_TARGET_HAS_div_i64 0 -#define TCG_TARGET_HAS_rem_i64 0 -#endif - -/* For 32-bit targets, some sort of unsigned widening multiply is required. */ -#if TCG_TARGET_REG_BITS == 32 \ - && !(defined(TCG_TARGET_HAS_mulu2_i32) \ - || defined(TCG_TARGET_HAS_muluh_i32)) -# error "Missing unsigned widening multiply" -#endif - -#if !defined(TCG_TARGET_HAS_v64) \ - && !defined(TCG_TARGET_HAS_v128) \ - && !defined(TCG_TARGET_HAS_v256) -#define TCG_TARGET_MAYBE_vec 0 -#define TCG_TARGET_HAS_abs_vec 0 -#define TCG_TARGET_HAS_neg_vec 0 -#define TCG_TARGET_HAS_not_vec 0 -#define TCG_TARGET_HAS_andc_vec 0 -#define TCG_TARGET_HAS_orc_vec 0 -#define TCG_TARGET_HAS_shi_vec 0 -#define TCG_TARGET_HAS_shs_vec 0 -#define TCG_TARGET_HAS_shv_vec 0 -#define TCG_TARGET_HAS_mul_vec 0 -#define TCG_TARGET_HAS_sat_vec 0 -#define TCG_TARGET_HAS_minmax_vec 0 -#define TCG_TARGET_HAS_bitsel_vec 0 -#define TCG_TARGET_HAS_cmpsel_vec 0 -#else -#define TCG_TARGET_MAYBE_vec 1 -#endif -#ifndef TCG_TARGET_HAS_v64 -#define TCG_TARGET_HAS_v64 0 -#endif -#ifndef TCG_TARGET_HAS_v128 -#define TCG_TARGET_HAS_v128 0 -#endif -#ifndef TCG_TARGET_HAS_v256 -#define TCG_TARGET_HAS_v256 0 -#endif - -#ifndef TARGET_INSN_START_EXTRA_WORDS -# define TARGET_INSN_START_WORDS 1 -#else -# define TARGET_INSN_START_WORDS (1 + TARGET_INSN_START_EXTRA_WORDS) -#endif - -typedef enum TCGOpcode { -#define DEF(name, oargs, iargs, cargs, flags) INDEX_op_ ## name, -#include "tcg/tcg-opc.h" -#undef DEF - NB_OPS, -} TCGOpcode; - -#define tcg_regset_set_reg(d, r) ((d) |= (TCGRegSet)1 << (r)) -#define tcg_regset_reset_reg(d, r) ((d) &= ~((TCGRegSet)1 << (r))) -#define tcg_regset_test_reg(d, r) (((d) >> (r)) & 1) - -#ifndef TCG_TARGET_INSN_UNIT_SIZE -# error "Missing TCG_TARGET_INSN_UNIT_SIZE" -#elif TCG_TARGET_INSN_UNIT_SIZE == 1 -typedef uint8_t tcg_insn_unit; -#elif TCG_TARGET_INSN_UNIT_SIZE == 2 -typedef uint16_t tcg_insn_unit; -#elif TCG_TARGET_INSN_UNIT_SIZE == 4 -typedef uint32_t tcg_insn_unit; -#elif TCG_TARGET_INSN_UNIT_SIZE == 8 -typedef uint64_t tcg_insn_unit; -#else -/* The port better have done this. */ -#endif - - -#if defined CONFIG_DEBUG_TCG || defined QEMU_STATIC_ANALYSIS -# define tcg_debug_assert(X) do { assert(X); } while (0) -#else -# define tcg_debug_assert(X) \ - do { if (!(X)) { __builtin_unreachable(); } } while (0) -#endif - -typedef struct TCGRelocation TCGRelocation; -struct TCGRelocation { - QSIMPLEQ_ENTRY(TCGRelocation) next; - tcg_insn_unit *ptr; - intptr_t addend; - int type; -}; - -typedef struct TCGLabel TCGLabel; -struct TCGLabel { - unsigned present : 1; - unsigned has_value : 1; - unsigned id : 14; - unsigned refs : 16; - union { - uintptr_t value; - tcg_insn_unit *value_ptr; - } u; - QSIMPLEQ_HEAD(, TCGRelocation) relocs; - QSIMPLEQ_ENTRY(TCGLabel) next; -}; - -typedef struct TCGPool { - struct TCGPool *next; - int size; - uint8_t data[0] __attribute__ ((aligned)); -} TCGPool; - -#define TCG_POOL_CHUNK_SIZE 32768 - -#define TCG_MAX_TEMPS 512 -#define TCG_MAX_INSNS 512 - -/* when the size of the arguments of a called function is smaller than - this value, they are statically allocated in the TB stack frame */ -#define TCG_STATIC_CALL_ARGS_SIZE 128 - -typedef enum TCGType { - TCG_TYPE_I32, - TCG_TYPE_I64, - - TCG_TYPE_V64, - TCG_TYPE_V128, - TCG_TYPE_V256, - - TCG_TYPE_COUNT, /* number of different types */ - - /* An alias for the size of the host register. */ -#if TCG_TARGET_REG_BITS == 32 - TCG_TYPE_REG = TCG_TYPE_I32, -#else - TCG_TYPE_REG = TCG_TYPE_I64, -#endif - - /* An alias for the size of the native pointer. */ -#if UINTPTR_MAX == UINT32_MAX - TCG_TYPE_PTR = TCG_TYPE_I32, -#else - TCG_TYPE_PTR = TCG_TYPE_I64, -#endif - - /* An alias for the size of the target "long", aka register. */ -#if TARGET_LONG_BITS == 64 - TCG_TYPE_TL = TCG_TYPE_I64, -#else - TCG_TYPE_TL = TCG_TYPE_I32, -#endif -} TCGType; - -/** - * get_alignment_bits - * @memop: MemOp value - * - * Extract the alignment size from the memop. - */ -static inline unsigned get_alignment_bits(MemOp memop) -{ - unsigned a = memop & MO_AMASK; - - if (a == MO_UNALN) { - /* No alignment required. */ - a = 0; - } else if (a == MO_ALIGN) { - /* A natural alignment requirement. */ - a = memop & MO_SIZE; - } else { - /* A specific alignment requirement. */ - a = a >> MO_ASHIFT; - } -#if defined(CONFIG_SOFTMMU) - /* The requested alignment cannot overlap the TLB flags. */ - tcg_debug_assert((TLB_FLAGS_MASK & ((1 << a) - 1)) == 0); -#endif - return a; -} - -typedef tcg_target_ulong TCGArg; - -/* Define type and accessor macros for TCG variables. - - TCG variables are the inputs and outputs of TCG ops, as described - in tcg/README. Target CPU front-end code uses these types to deal - with TCG variables as it emits TCG code via the tcg_gen_* functions. - They come in several flavours: - * TCGv_i32 : 32 bit integer type - * TCGv_i64 : 64 bit integer type - * TCGv_ptr : a host pointer type - * TCGv_vec : a host vector type; the exact size is not exposed - to the CPU front-end code. - * TCGv : an integer type the same size as target_ulong - (an alias for either TCGv_i32 or TCGv_i64) - The compiler's type checking will complain if you mix them - up and pass the wrong sized TCGv to a function. - - Users of tcg_gen_* don't need to know about any of the internal - details of these, and should treat them as opaque types. - You won't be able to look inside them in a debugger either. - - Internal implementation details follow: - - Note that there is no definition of the structs TCGv_i32_d etc anywhere. - This is deliberate, because the values we store in variables of type - TCGv_i32 are not really pointers-to-structures. They're just small - integers, but keeping them in pointer types like this means that the - compiler will complain if you accidentally pass a TCGv_i32 to a - function which takes a TCGv_i64, and so on. Only the internals of - TCG need to care about the actual contents of the types. */ - -typedef struct TCGv_i32_d *TCGv_i32; -typedef struct TCGv_i64_d *TCGv_i64; -typedef struct TCGv_ptr_d *TCGv_ptr; -typedef struct TCGv_vec_d *TCGv_vec; -typedef TCGv_ptr TCGv_env; -#if TARGET_LONG_BITS == 32 -#define TCGv TCGv_i32 -#elif TARGET_LONG_BITS == 64 -#define TCGv TCGv_i64 -#else -#error Unhandled TARGET_LONG_BITS value -#endif - -/* call flags */ -/* Helper does not read globals (either directly or through an exception). It - implies TCG_CALL_NO_WRITE_GLOBALS. */ -#define TCG_CALL_NO_READ_GLOBALS 0x0001 -/* Helper does not write globals */ -#define TCG_CALL_NO_WRITE_GLOBALS 0x0002 -/* Helper can be safely suppressed if the return value is not used. */ -#define TCG_CALL_NO_SIDE_EFFECTS 0x0004 -/* Helper is QEMU_NORETURN. */ -#define TCG_CALL_NO_RETURN 0x0008 - -/* convenience version of most used call flags */ -#define TCG_CALL_NO_RWG TCG_CALL_NO_READ_GLOBALS -#define TCG_CALL_NO_WG TCG_CALL_NO_WRITE_GLOBALS -#define TCG_CALL_NO_SE TCG_CALL_NO_SIDE_EFFECTS -#define TCG_CALL_NO_RWG_SE (TCG_CALL_NO_RWG | TCG_CALL_NO_SE) -#define TCG_CALL_NO_WG_SE (TCG_CALL_NO_WG | TCG_CALL_NO_SE) - -/* Used to align parameters. See the comment before tcgv_i32_temp. */ -#define TCG_CALL_DUMMY_ARG ((TCGArg)0) - -/* Conditions. Note that these are laid out for easy manipulation by - the functions below: - bit 0 is used for inverting; - bit 1 is signed, - bit 2 is unsigned, - bit 3 is used with bit 0 for swapping signed/unsigned. */ -typedef enum { - /* non-signed */ - TCG_COND_NEVER = 0 | 0 | 0 | 0, - TCG_COND_ALWAYS = 0 | 0 | 0 | 1, - TCG_COND_EQ = 8 | 0 | 0 | 0, - TCG_COND_NE = 8 | 0 | 0 | 1, - /* signed */ - TCG_COND_LT = 0 | 0 | 2 | 0, - TCG_COND_GE = 0 | 0 | 2 | 1, - TCG_COND_LE = 8 | 0 | 2 | 0, - TCG_COND_GT = 8 | 0 | 2 | 1, - /* unsigned */ - TCG_COND_LTU = 0 | 4 | 0 | 0, - TCG_COND_GEU = 0 | 4 | 0 | 1, - TCG_COND_LEU = 8 | 4 | 0 | 0, - TCG_COND_GTU = 8 | 4 | 0 | 1, -} TCGCond; - -/* Invert the sense of the comparison. */ -static inline TCGCond tcg_invert_cond(TCGCond c) -{ - return (TCGCond)(c ^ 1); -} - -/* Swap the operands in a comparison. */ -static inline TCGCond tcg_swap_cond(TCGCond c) -{ - return c & 6 ? (TCGCond)(c ^ 9) : c; -} - -/* Create an "unsigned" version of a "signed" comparison. */ -static inline TCGCond tcg_unsigned_cond(TCGCond c) -{ - return c & 2 ? (TCGCond)(c ^ 6) : c; -} - -/* Create a "signed" version of an "unsigned" comparison. */ -static inline TCGCond tcg_signed_cond(TCGCond c) -{ - return c & 4 ? (TCGCond)(c ^ 6) : c; -} - -/* Must a comparison be considered unsigned? */ -static inline bool is_unsigned_cond(TCGCond c) -{ - return (c & 4) != 0; -} - -/* Create a "high" version of a double-word comparison. - This removes equality from a LTE or GTE comparison. */ -static inline TCGCond tcg_high_cond(TCGCond c) -{ - switch (c) { - case TCG_COND_GE: - case TCG_COND_LE: - case TCG_COND_GEU: - case TCG_COND_LEU: - return (TCGCond)(c ^ 8); - default: - return c; - } -} - -typedef enum TCGTempVal { - TEMP_VAL_DEAD, - TEMP_VAL_REG, - TEMP_VAL_MEM, - TEMP_VAL_CONST, -} TCGTempVal; - -typedef struct TCGTemp { - TCGReg reg:8; - TCGTempVal val_type:8; - TCGType base_type:8; - TCGType type:8; - unsigned int fixed_reg:1; - unsigned int indirect_reg:1; - unsigned int indirect_base:1; - unsigned int mem_coherent:1; - unsigned int mem_allocated:1; - /* If true, the temp is saved across both basic blocks and - translation blocks. */ - unsigned int temp_global:1; - /* If true, the temp is saved across basic blocks but dead - at the end of translation blocks. If false, the temp is - dead at the end of basic blocks. */ - unsigned int temp_local:1; - unsigned int temp_allocated:1; - - tcg_target_long val; - struct TCGTemp *mem_base; - intptr_t mem_offset; - const char *name; - - /* Pass-specific information that can be stored for a temporary. - One word worth of integer data, and one pointer to data - allocated separately. */ - uintptr_t state; - void *state_ptr; -} TCGTemp; - -typedef struct TCGContext TCGContext; - -typedef struct TCGTempSet { - unsigned long l[BITS_TO_LONGS(TCG_MAX_TEMPS)]; -} TCGTempSet; - -/* While we limit helpers to 6 arguments, for 32-bit hosts, with padding, - this imples a max of 6*2 (64-bit in) + 2 (64-bit out) = 14 operands. - There are never more than 2 outputs, which means that we can store all - dead + sync data within 16 bits. */ -#define DEAD_ARG 4 -#define SYNC_ARG 1 -typedef uint16_t TCGLifeData; - -/* The layout here is designed to avoid a bitfield crossing of - a 32-bit boundary, which would cause GCC to add extra padding. */ -typedef struct TCGOp { - TCGOpcode opc : 8; /* 8 */ - - /* Parameters for this opcode. See below. */ - unsigned param1 : 4; /* 12 */ - unsigned param2 : 4; /* 16 */ - - /* Lifetime data of the operands. */ - unsigned life : 16; /* 32 */ - - /* Next and previous opcodes. */ - QTAILQ_ENTRY(TCGOp) link; -#ifdef CONFIG_PLUGIN - QSIMPLEQ_ENTRY(TCGOp) plugin_link; -#endif - - /* Arguments for the opcode. */ - TCGArg args[MAX_OPC_PARAM]; - - /* Register preferences for the output(s). */ - TCGRegSet output_pref[2]; -} TCGOp; - -#define TCGOP_CALLI(X) (X)->param1 -#define TCGOP_CALLO(X) (X)->param2 - -#define TCGOP_VECL(X) (X)->param1 -#define TCGOP_VECE(X) (X)->param2 - -/* Make sure operands fit in the bitfields above. */ -QEMU_BUILD_BUG_ON(NB_OPS > (1 << 8)); - -typedef struct TCGProfile { - int64_t cpu_exec_time; - int64_t tb_count1; - int64_t tb_count; - int64_t op_count; /* total insn count */ - int op_count_max; /* max insn per TB */ - int temp_count_max; - int64_t temp_count; - int64_t del_op_count; - int64_t code_in_len; - int64_t code_out_len; - int64_t search_out_len; - int64_t interm_time; - int64_t code_time; - int64_t la_time; - int64_t opt_time; - int64_t restore_count; - int64_t restore_time; - int64_t table_op_count[NB_OPS]; -} TCGProfile; - -struct TCGContext { - uint8_t *pool_cur, *pool_end; - TCGPool *pool_first, *pool_current, *pool_first_large; - int nb_labels; - int nb_globals; - int nb_temps; - int nb_indirects; - int nb_ops; - - /* goto_tb support */ - tcg_insn_unit *code_buf; - uint16_t *tb_jmp_reset_offset; /* tb->jmp_reset_offset */ - uintptr_t *tb_jmp_insn_offset; /* tb->jmp_target_arg if direct_jump */ - uintptr_t *tb_jmp_target_addr; /* tb->jmp_target_arg if !direct_jump */ - - TCGRegSet reserved_regs; - uint32_t tb_cflags; /* cflags of the current TB */ - intptr_t current_frame_offset; - intptr_t frame_start; - intptr_t frame_end; - TCGTemp *frame_temp; - - tcg_insn_unit *code_ptr; - -#ifdef CONFIG_PROFILER - TCGProfile prof; -#endif - -#ifdef CONFIG_DEBUG_TCG - int temps_in_use; - int goto_tb_issue_mask; - const TCGOpcode *vecop_list; -#endif - - /* Code generation. Note that we specifically do not use tcg_insn_unit - here, because there's too much arithmetic throughout that relies - on addition and subtraction working on bytes. Rely on the GCC - extension that allows arithmetic on void*. */ - void *code_gen_prologue; - void *code_gen_epilogue; - void *code_gen_buffer; - size_t code_gen_buffer_size; - void *code_gen_ptr; - void *data_gen_ptr; - - /* Threshold to flush the translated code buffer. */ - void *code_gen_highwater; - - size_t tb_phys_invalidate_count; - - /* Track which vCPU triggers events */ - CPUState *cpu; /* *_trans */ - - /* These structures are private to tcg-target.inc.c. */ -#ifdef TCG_TARGET_NEED_LDST_LABELS - QSIMPLEQ_HEAD(, TCGLabelQemuLdst) ldst_labels; -#endif -#ifdef TCG_TARGET_NEED_POOL_LABELS - struct TCGLabelPoolData *pool_labels; -#endif - - TCGLabel *exitreq_label; - -#ifdef CONFIG_PLUGIN - /* - * We keep one plugin_tb struct per TCGContext. Note that on every TB - * translation we clear but do not free its contents; this way we - * avoid a lot of malloc/free churn, since after a few TB's it's - * unlikely that we'll need to allocate either more instructions or more - * space for instructions (for variable-instruction-length ISAs). - */ - struct qemu_plugin_tb *plugin_tb; - - /* descriptor of the instruction being translated */ - struct qemu_plugin_insn *plugin_insn; - - /* list to quickly access the injected ops */ - QSIMPLEQ_HEAD(, TCGOp) plugin_ops; -#endif - - TCGTempSet free_temps[TCG_TYPE_COUNT * 2]; - TCGTemp temps[TCG_MAX_TEMPS]; /* globals first, temps after */ - - QTAILQ_HEAD(, TCGOp) ops, free_ops; - QSIMPLEQ_HEAD(, TCGLabel) labels; - - /* Tells which temporary holds a given register. - It does not take into account fixed registers */ - TCGTemp *reg_to_temp[TCG_TARGET_NB_REGS]; - - uint16_t gen_insn_end_off[TCG_MAX_INSNS]; - target_ulong gen_insn_data[TCG_MAX_INSNS][TARGET_INSN_START_WORDS]; -}; - -extern TCGContext tcg_init_ctx; -extern __thread TCGContext *tcg_ctx; -extern TCGv_env cpu_env; - -static inline size_t temp_idx(TCGTemp *ts) -{ - ptrdiff_t n = ts - tcg_ctx->temps; - tcg_debug_assert(n >= 0 && n < tcg_ctx->nb_temps); - return n; -} - -static inline TCGArg temp_arg(TCGTemp *ts) -{ - return (uintptr_t)ts; -} - -static inline TCGTemp *arg_temp(TCGArg a) -{ - return (TCGTemp *)(uintptr_t)a; -} - -/* Using the offset of a temporary, relative to TCGContext, rather than - its index means that we don't use 0. That leaves offset 0 free for - a NULL representation without having to leave index 0 unused. */ -static inline TCGTemp *tcgv_i32_temp(TCGv_i32 v) -{ - uintptr_t o = (uintptr_t)v; - TCGTemp *t = (void *)tcg_ctx + o; - tcg_debug_assert(offsetof(TCGContext, temps[temp_idx(t)]) == o); - return t; -} - -static inline TCGTemp *tcgv_i64_temp(TCGv_i64 v) -{ - return tcgv_i32_temp((TCGv_i32)v); -} - -static inline TCGTemp *tcgv_ptr_temp(TCGv_ptr v) -{ - return tcgv_i32_temp((TCGv_i32)v); -} - -static inline TCGTemp *tcgv_vec_temp(TCGv_vec v) -{ - return tcgv_i32_temp((TCGv_i32)v); -} - -static inline TCGArg tcgv_i32_arg(TCGv_i32 v) -{ - return temp_arg(tcgv_i32_temp(v)); -} - -static inline TCGArg tcgv_i64_arg(TCGv_i64 v) -{ - return temp_arg(tcgv_i64_temp(v)); -} - -static inline TCGArg tcgv_ptr_arg(TCGv_ptr v) -{ - return temp_arg(tcgv_ptr_temp(v)); -} - -static inline TCGArg tcgv_vec_arg(TCGv_vec v) -{ - return temp_arg(tcgv_vec_temp(v)); -} - -static inline TCGv_i32 temp_tcgv_i32(TCGTemp *t) -{ - (void)temp_idx(t); /* trigger embedded assert */ - return (TCGv_i32)((void *)t - (void *)tcg_ctx); -} - -static inline TCGv_i64 temp_tcgv_i64(TCGTemp *t) -{ - return (TCGv_i64)temp_tcgv_i32(t); -} - -static inline TCGv_ptr temp_tcgv_ptr(TCGTemp *t) -{ - return (TCGv_ptr)temp_tcgv_i32(t); -} - -static inline TCGv_vec temp_tcgv_vec(TCGTemp *t) -{ - return (TCGv_vec)temp_tcgv_i32(t); -} - -#if TCG_TARGET_REG_BITS == 32 -static inline TCGv_i32 TCGV_LOW(TCGv_i64 t) -{ - return temp_tcgv_i32(tcgv_i64_temp(t)); -} - -static inline TCGv_i32 TCGV_HIGH(TCGv_i64 t) -{ - return temp_tcgv_i32(tcgv_i64_temp(t) + 1); -} -#endif - -static inline void tcg_set_insn_param(TCGOp *op, int arg, TCGArg v) -{ - op->args[arg] = v; -} - -static inline void tcg_set_insn_start_param(TCGOp *op, int arg, target_ulong v) -{ -#if TARGET_LONG_BITS <= TCG_TARGET_REG_BITS - tcg_set_insn_param(op, arg, v); -#else - tcg_set_insn_param(op, arg * 2, v); - tcg_set_insn_param(op, arg * 2 + 1, v >> 32); -#endif -} - -/* The last op that was emitted. */ -static inline TCGOp *tcg_last_op(void) -{ - return QTAILQ_LAST(&tcg_ctx->ops); -} - -/* Test for whether to terminate the TB for using too many opcodes. */ -static inline bool tcg_op_buf_full(void) -{ - /* This is not a hard limit, it merely stops translation when - * we have produced "enough" opcodes. We want to limit TB size - * such that a RISC host can reasonably use a 16-bit signed - * branch within the TB. We also need to be mindful of the - * 16-bit unsigned offsets, TranslationBlock.jmp_reset_offset[] - * and TCGContext.gen_insn_end_off[]. - */ - return tcg_ctx->nb_ops >= 4000; -} - -/* pool based memory allocation */ - -/* user-mode: mmap_lock must be held for tcg_malloc_internal. */ -void *tcg_malloc_internal(TCGContext *s, int size); -void tcg_pool_reset(TCGContext *s); -TranslationBlock *tcg_tb_alloc(TCGContext *s); - -void tcg_region_init(void); -void tcg_region_reset_all(void); - -size_t tcg_code_size(void); -size_t tcg_code_capacity(void); - -void tcg_tb_insert(TranslationBlock *tb); -void tcg_tb_remove(TranslationBlock *tb); -size_t tcg_tb_phys_invalidate_count(void); -TranslationBlock *tcg_tb_lookup(uintptr_t tc_ptr); -void tcg_tb_foreach(GTraverseFunc func, gpointer user_data); -size_t tcg_nb_tbs(void); - -/* user-mode: Called with mmap_lock held. */ -static inline void *tcg_malloc(int size) -{ - TCGContext *s = tcg_ctx; - uint8_t *ptr, *ptr_end; - - /* ??? This is a weak placeholder for minimum malloc alignment. */ - size = QEMU_ALIGN_UP(size, 8); - - ptr = s->pool_cur; - ptr_end = ptr + size; - if (unlikely(ptr_end > s->pool_end)) { - return tcg_malloc_internal(tcg_ctx, size); - } else { - s->pool_cur = ptr_end; - return ptr; - } -} - -void tcg_context_init(TCGContext *s); -void tcg_register_thread(void); -void tcg_prologue_init(TCGContext *s); -void tcg_func_start(TCGContext *s); - -int tcg_gen_code(TCGContext *s, TranslationBlock *tb); - -void tcg_set_frame(TCGContext *s, TCGReg reg, intptr_t start, intptr_t size); - -TCGTemp *tcg_global_mem_new_internal(TCGType, TCGv_ptr, - intptr_t, const char *); -TCGTemp *tcg_temp_new_internal(TCGType, bool); -void tcg_temp_free_internal(TCGTemp *); -TCGv_vec tcg_temp_new_vec(TCGType type); -TCGv_vec tcg_temp_new_vec_matching(TCGv_vec match); - -static inline void tcg_temp_free_i32(TCGv_i32 arg) -{ - tcg_temp_free_internal(tcgv_i32_temp(arg)); -} - -static inline void tcg_temp_free_i64(TCGv_i64 arg) -{ - tcg_temp_free_internal(tcgv_i64_temp(arg)); -} - -static inline void tcg_temp_free_ptr(TCGv_ptr arg) -{ - tcg_temp_free_internal(tcgv_ptr_temp(arg)); -} - -static inline void tcg_temp_free_vec(TCGv_vec arg) -{ - tcg_temp_free_internal(tcgv_vec_temp(arg)); -} - -static inline TCGv_i32 tcg_global_mem_new_i32(TCGv_ptr reg, intptr_t offset, - const char *name) -{ - TCGTemp *t = tcg_global_mem_new_internal(TCG_TYPE_I32, reg, offset, name); - return temp_tcgv_i32(t); -} - -static inline TCGv_i32 tcg_temp_new_i32(void) -{ - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I32, false); - return temp_tcgv_i32(t); -} - -static inline TCGv_i32 tcg_temp_local_new_i32(void) -{ - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I32, true); - return temp_tcgv_i32(t); -} - -static inline TCGv_i64 tcg_global_mem_new_i64(TCGv_ptr reg, intptr_t offset, - const char *name) -{ - TCGTemp *t = tcg_global_mem_new_internal(TCG_TYPE_I64, reg, offset, name); - return temp_tcgv_i64(t); -} - -static inline TCGv_i64 tcg_temp_new_i64(void) -{ - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I64, false); - return temp_tcgv_i64(t); -} - -static inline TCGv_i64 tcg_temp_local_new_i64(void) -{ - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_I64, true); - return temp_tcgv_i64(t); -} - -static inline TCGv_ptr tcg_global_mem_new_ptr(TCGv_ptr reg, intptr_t offset, - const char *name) -{ - TCGTemp *t = tcg_global_mem_new_internal(TCG_TYPE_PTR, reg, offset, name); - return temp_tcgv_ptr(t); -} - -static inline TCGv_ptr tcg_temp_new_ptr(void) -{ - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_PTR, false); - return temp_tcgv_ptr(t); -} - -static inline TCGv_ptr tcg_temp_local_new_ptr(void) -{ - TCGTemp *t = tcg_temp_new_internal(TCG_TYPE_PTR, true); - return temp_tcgv_ptr(t); -} - -#if defined(CONFIG_DEBUG_TCG) -/* If you call tcg_clear_temp_count() at the start of a section of - * code which is not supposed to leak any TCG temporaries, then - * calling tcg_check_temp_count() at the end of the section will - * return 1 if the section did in fact leak a temporary. - */ -void tcg_clear_temp_count(void); -int tcg_check_temp_count(void); -#else -#define tcg_clear_temp_count() do { } while (0) -#define tcg_check_temp_count() 0 -#endif - -int64_t tcg_cpu_exec_time(void); -void tcg_dump_info(void); -void tcg_dump_op_count(void); - -#define TCG_CT_ALIAS 0x80 -#define TCG_CT_IALIAS 0x40 -#define TCG_CT_NEWREG 0x20 /* output requires a new register */ -#define TCG_CT_REG 0x01 -#define TCG_CT_CONST 0x02 /* any constant of register size */ - -typedef struct TCGArgConstraint { - uint16_t ct; - uint8_t alias_index; - union { - TCGRegSet regs; - } u; -} TCGArgConstraint; - -#define TCG_MAX_OP_ARGS 16 - -/* Bits for TCGOpDef->flags, 8 bits available. */ -enum { - /* Instruction exits the translation block. */ - TCG_OPF_BB_EXIT = 0x01, - /* Instruction defines the end of a basic block. */ - TCG_OPF_BB_END = 0x02, - /* Instruction clobbers call registers and potentially update globals. */ - TCG_OPF_CALL_CLOBBER = 0x04, - /* Instruction has side effects: it cannot be removed if its outputs - are not used, and might trigger exceptions. */ - TCG_OPF_SIDE_EFFECTS = 0x08, - /* Instruction operands are 64-bits (otherwise 32-bits). */ - TCG_OPF_64BIT = 0x10, - /* Instruction is optional and not implemented by the host, or insn - is generic and should not be implemened by the host. */ - TCG_OPF_NOT_PRESENT = 0x20, - /* Instruction operands are vectors. */ - TCG_OPF_VECTOR = 0x40, -}; - -typedef struct TCGOpDef { - const char *name; - uint8_t nb_oargs, nb_iargs, nb_cargs, nb_args; - uint8_t flags; - TCGArgConstraint *args_ct; - int *sorted_args; -#if defined(CONFIG_DEBUG_TCG) - int used; -#endif -} TCGOpDef; - -extern TCGOpDef tcg_op_defs[]; -extern const size_t tcg_op_defs_max; - -typedef struct TCGTargetOpDef { - TCGOpcode op; - const char *args_ct_str[TCG_MAX_OP_ARGS]; -} TCGTargetOpDef; - -#define tcg_abort() \ -do {\ - fprintf(stderr, "%s:%d: tcg fatal error\n", __FILE__, __LINE__);\ - abort();\ -} while (0) - -bool tcg_op_supported(TCGOpcode op); - -void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args); - -TCGOp *tcg_emit_op(TCGOpcode opc); -void tcg_op_remove(TCGContext *s, TCGOp *op); -TCGOp *tcg_op_insert_before(TCGContext *s, TCGOp *op, TCGOpcode opc); -TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *op, TCGOpcode opc); - -void tcg_optimize(TCGContext *s); - -TCGv_i32 tcg_const_i32(int32_t val); -TCGv_i64 tcg_const_i64(int64_t val); -TCGv_i32 tcg_const_local_i32(int32_t val); -TCGv_i64 tcg_const_local_i64(int64_t val); -TCGv_vec tcg_const_zeros_vec(TCGType); -TCGv_vec tcg_const_ones_vec(TCGType); -TCGv_vec tcg_const_zeros_vec_matching(TCGv_vec); -TCGv_vec tcg_const_ones_vec_matching(TCGv_vec); - -#if UINTPTR_MAX == UINT32_MAX -# define tcg_const_ptr(x) ((TCGv_ptr)tcg_const_i32((intptr_t)(x))) -# define tcg_const_local_ptr(x) ((TCGv_ptr)tcg_const_local_i32((intptr_t)(x))) -#else -# define tcg_const_ptr(x) ((TCGv_ptr)tcg_const_i64((intptr_t)(x))) -# define tcg_const_local_ptr(x) ((TCGv_ptr)tcg_const_local_i64((intptr_t)(x))) -#endif - -TCGLabel *gen_new_label(void); - -/** - * label_arg - * @l: label - * - * Encode a label for storage in the TCG opcode stream. - */ - -static inline TCGArg label_arg(TCGLabel *l) -{ - return (uintptr_t)l; -} - -/** - * arg_label - * @i: value - * - * The opposite of label_arg. Retrieve a label from the - * encoding of the TCG opcode stream. - */ - -static inline TCGLabel *arg_label(TCGArg i) -{ - return (TCGLabel *)(uintptr_t)i; -} - -/** - * tcg_ptr_byte_diff - * @a, @b: addresses to be differenced - * - * There are many places within the TCG backends where we need a byte - * difference between two pointers. While this can be accomplished - * with local casting, it's easy to get wrong -- especially if one is - * concerned with the signedness of the result. - * - * This version relies on GCC's void pointer arithmetic to get the - * correct result. - */ - -static inline ptrdiff_t tcg_ptr_byte_diff(void *a, void *b) -{ - return a - b; -} - -/** - * tcg_pcrel_diff - * @s: the tcg context - * @target: address of the target - * - * Produce a pc-relative difference, from the current code_ptr - * to the destination address. - */ - -static inline ptrdiff_t tcg_pcrel_diff(TCGContext *s, void *target) -{ - return tcg_ptr_byte_diff(target, s->code_ptr); -} - -/** - * tcg_current_code_size - * @s: the tcg context - * - * Compute the current code size within the translation block. - * This is used to fill in qemu's data structures for goto_tb. - */ - -static inline size_t tcg_current_code_size(TCGContext *s) -{ - return tcg_ptr_byte_diff(s->code_ptr, s->code_buf); -} - -/* Combine the MemOp and mmu_idx parameters into a single value. */ -typedef uint32_t TCGMemOpIdx; - -/** - * make_memop_idx - * @op: memory operation - * @idx: mmu index - * - * Encode these values into a single parameter. - */ -static inline TCGMemOpIdx make_memop_idx(MemOp op, unsigned idx) -{ - tcg_debug_assert(idx <= 15); - return (op << 4) | idx; -} - -/** - * get_memop - * @oi: combined op/idx parameter - * - * Extract the memory operation from the combined value. - */ -static inline MemOp get_memop(TCGMemOpIdx oi) -{ - return oi >> 4; -} - -/** - * get_mmuidx - * @oi: combined op/idx parameter - * - * Extract the mmu index from the combined value. - */ -static inline unsigned get_mmuidx(TCGMemOpIdx oi) -{ - return oi & 15; -} - -/** - * tcg_qemu_tb_exec: - * @env: pointer to CPUArchState for the CPU - * @tb_ptr: address of generated code for the TB to execute - * - * Start executing code from a given translation block. - * Where translation blocks have been linked, execution - * may proceed from the given TB into successive ones. - * Control eventually returns only when some action is needed - * from the top-level loop: either control must pass to a TB - * which has not yet been directly linked, or an asynchronous - * event such as an interrupt needs handling. - * - * Return: The return value is the value passed to the corresponding - * tcg_gen_exit_tb() at translation time of the last TB attempted to execute. - * The value is either zero or a 4-byte aligned pointer to that TB combined - * with additional information in its two least significant bits. The - * additional information is encoded as follows: - * 0, 1: the link between this TB and the next is via the specified - * TB index (0 or 1). That is, we left the TB via (the equivalent - * of) "goto_tb <index>". The main loop uses this to determine - * how to link the TB just executed to the next. - * 2: we are using instruction counting code generation, and we - * did not start executing this TB because the instruction counter - * would hit zero midway through it. In this case the pointer - * returned is the TB we were about to execute, and the caller must - * arrange to execute the remaining count of instructions. - * 3: we stopped because the CPU's exit_request flag was set - * (usually meaning that there is an interrupt that needs to be - * handled). The pointer returned is the TB we were about to execute - * when we noticed the pending exit request. - * - * If the bottom two bits indicate an exit-via-index then the CPU - * state is correctly synchronised and ready for execution of the next - * TB (and in particular the guest PC is the address to execute next). - * Otherwise, we gave up on execution of this TB before it started, and - * the caller must fix up the CPU state by calling the CPU's - * synchronize_from_tb() method with the TB pointer we return (falling - * back to calling the CPU's set_pc method with tb->pb if no - * synchronize_from_tb() method exists). - * - * Note that TCG targets may use a different definition of tcg_qemu_tb_exec - * to this default (which just calls the prologue.code emitted by - * tcg_target_qemu_prologue()). - */ -#define TB_EXIT_MASK 3 -#define TB_EXIT_IDX0 0 -#define TB_EXIT_IDX1 1 -#define TB_EXIT_IDXMAX 1 -#define TB_EXIT_REQUESTED 3 - -#ifdef HAVE_TCG_QEMU_TB_EXEC -uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr); -#else -# define tcg_qemu_tb_exec(env, tb_ptr) \ - ((uintptr_t (*)(void *, void *))tcg_ctx->code_gen_prologue)(env, tb_ptr) -#endif - -void tcg_register_jit(void *buf, size_t buf_size); - -#if TCG_TARGET_MAYBE_vec -/* Return zero if the tuple (opc, type, vece) is unsupportable; - return > 0 if it is directly supportable; - return < 0 if we must call tcg_expand_vec_op. */ -int tcg_can_emit_vec_op(TCGOpcode, TCGType, unsigned); -#else -static inline int tcg_can_emit_vec_op(TCGOpcode o, TCGType t, unsigned ve) -{ - return 0; -} -#endif - -/* Expand the tuple (opc, type, vece) on the given arguments. */ -void tcg_expand_vec_op(TCGOpcode, TCGType, unsigned, TCGArg, ...); - -/* Replicate a constant C accoring to the log2 of the element size. */ -uint64_t dup_const(unsigned vece, uint64_t c); - -#define dup_const(VECE, C) \ - (__builtin_constant_p(VECE) \ - ? ( (VECE) == MO_8 ? 0x0101010101010101ull * (uint8_t)(C) \ - : (VECE) == MO_16 ? 0x0001000100010001ull * (uint16_t)(C) \ - : (VECE) == MO_32 ? 0x0000000100000001ull * (uint32_t)(C) \ - : dup_const(VECE, C)) \ - : dup_const(VECE, C)) - - -/* - * Memory helpers that will be used by TCG generated code. - */ -#ifdef CONFIG_SOFTMMU -/* Value zero-extended to tcg register size. */ -tcg_target_ulong helper_ret_ldub_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -tcg_target_ulong helper_le_lduw_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -tcg_target_ulong helper_le_ldul_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -uint64_t helper_le_ldq_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -tcg_target_ulong helper_be_lduw_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -tcg_target_ulong helper_be_ldul_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -uint64_t helper_be_ldq_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); - -/* Value sign-extended to tcg register size. */ -tcg_target_ulong helper_ret_ldsb_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -tcg_target_ulong helper_le_ldsw_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -tcg_target_ulong helper_le_ldsl_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -tcg_target_ulong helper_be_ldsw_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -tcg_target_ulong helper_be_ldsl_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); - -void helper_ret_stb_mmu(CPUArchState *env, target_ulong addr, uint8_t val, - TCGMemOpIdx oi, uintptr_t retaddr); -void helper_le_stw_mmu(CPUArchState *env, target_ulong addr, uint16_t val, - TCGMemOpIdx oi, uintptr_t retaddr); -void helper_le_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val, - TCGMemOpIdx oi, uintptr_t retaddr); -void helper_le_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val, - TCGMemOpIdx oi, uintptr_t retaddr); -void helper_be_stw_mmu(CPUArchState *env, target_ulong addr, uint16_t val, - TCGMemOpIdx oi, uintptr_t retaddr); -void helper_be_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val, - TCGMemOpIdx oi, uintptr_t retaddr); -void helper_be_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val, - TCGMemOpIdx oi, uintptr_t retaddr); - -/* Temporary aliases until backends are converted. */ -#ifdef TARGET_WORDS_BIGENDIAN -# define helper_ret_ldsw_mmu helper_be_ldsw_mmu -# define helper_ret_lduw_mmu helper_be_lduw_mmu -# define helper_ret_ldsl_mmu helper_be_ldsl_mmu -# define helper_ret_ldul_mmu helper_be_ldul_mmu -# define helper_ret_ldl_mmu helper_be_ldul_mmu -# define helper_ret_ldq_mmu helper_be_ldq_mmu -# define helper_ret_stw_mmu helper_be_stw_mmu -# define helper_ret_stl_mmu helper_be_stl_mmu -# define helper_ret_stq_mmu helper_be_stq_mmu -#else -# define helper_ret_ldsw_mmu helper_le_ldsw_mmu -# define helper_ret_lduw_mmu helper_le_lduw_mmu -# define helper_ret_ldsl_mmu helper_le_ldsl_mmu -# define helper_ret_ldul_mmu helper_le_ldul_mmu -# define helper_ret_ldl_mmu helper_le_ldul_mmu -# define helper_ret_ldq_mmu helper_le_ldq_mmu -# define helper_ret_stw_mmu helper_le_stw_mmu -# define helper_ret_stl_mmu helper_le_stl_mmu -# define helper_ret_stq_mmu helper_le_stq_mmu -#endif - -uint32_t helper_atomic_cmpxchgb_mmu(CPUArchState *env, target_ulong addr, - uint32_t cmpv, uint32_t newv, - TCGMemOpIdx oi, uintptr_t retaddr); -uint32_t helper_atomic_cmpxchgw_le_mmu(CPUArchState *env, target_ulong addr, - uint32_t cmpv, uint32_t newv, - TCGMemOpIdx oi, uintptr_t retaddr); -uint32_t helper_atomic_cmpxchgl_le_mmu(CPUArchState *env, target_ulong addr, - uint32_t cmpv, uint32_t newv, - TCGMemOpIdx oi, uintptr_t retaddr); -uint64_t helper_atomic_cmpxchgq_le_mmu(CPUArchState *env, target_ulong addr, - uint64_t cmpv, uint64_t newv, - TCGMemOpIdx oi, uintptr_t retaddr); -uint32_t helper_atomic_cmpxchgw_be_mmu(CPUArchState *env, target_ulong addr, - uint32_t cmpv, uint32_t newv, - TCGMemOpIdx oi, uintptr_t retaddr); -uint32_t helper_atomic_cmpxchgl_be_mmu(CPUArchState *env, target_ulong addr, - uint32_t cmpv, uint32_t newv, - TCGMemOpIdx oi, uintptr_t retaddr); -uint64_t helper_atomic_cmpxchgq_be_mmu(CPUArchState *env, target_ulong addr, - uint64_t cmpv, uint64_t newv, - TCGMemOpIdx oi, uintptr_t retaddr); - -#define GEN_ATOMIC_HELPER(NAME, TYPE, SUFFIX) \ -TYPE helper_atomic_ ## NAME ## SUFFIX ## _mmu \ - (CPUArchState *env, target_ulong addr, TYPE val, \ - TCGMemOpIdx oi, uintptr_t retaddr); - -#ifdef CONFIG_ATOMIC64 -#define GEN_ATOMIC_HELPER_ALL(NAME) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, b) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, w_le) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, w_be) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, l_le) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, l_be) \ - GEN_ATOMIC_HELPER(NAME, uint64_t, q_le) \ - GEN_ATOMIC_HELPER(NAME, uint64_t, q_be) -#else -#define GEN_ATOMIC_HELPER_ALL(NAME) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, b) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, w_le) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, w_be) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, l_le) \ - GEN_ATOMIC_HELPER(NAME, uint32_t, l_be) -#endif - -GEN_ATOMIC_HELPER_ALL(fetch_add) -GEN_ATOMIC_HELPER_ALL(fetch_sub) -GEN_ATOMIC_HELPER_ALL(fetch_and) -GEN_ATOMIC_HELPER_ALL(fetch_or) -GEN_ATOMIC_HELPER_ALL(fetch_xor) -GEN_ATOMIC_HELPER_ALL(fetch_smin) -GEN_ATOMIC_HELPER_ALL(fetch_umin) -GEN_ATOMIC_HELPER_ALL(fetch_smax) -GEN_ATOMIC_HELPER_ALL(fetch_umax) - -GEN_ATOMIC_HELPER_ALL(add_fetch) -GEN_ATOMIC_HELPER_ALL(sub_fetch) -GEN_ATOMIC_HELPER_ALL(and_fetch) -GEN_ATOMIC_HELPER_ALL(or_fetch) -GEN_ATOMIC_HELPER_ALL(xor_fetch) -GEN_ATOMIC_HELPER_ALL(smin_fetch) -GEN_ATOMIC_HELPER_ALL(umin_fetch) -GEN_ATOMIC_HELPER_ALL(smax_fetch) -GEN_ATOMIC_HELPER_ALL(umax_fetch) - -GEN_ATOMIC_HELPER_ALL(xchg) - -#undef GEN_ATOMIC_HELPER_ALL -#undef GEN_ATOMIC_HELPER -#endif /* CONFIG_SOFTMMU */ - -/* - * These aren't really a "proper" helpers because TCG cannot manage Int128. - * However, use the same format as the others, for use by the backends. - * - * The cmpxchg functions are only defined if HAVE_CMPXCHG128; - * the ld/st functions are only defined if HAVE_ATOMIC128, - * as defined by <qemu/atomic128.h>. - */ -Int128 helper_atomic_cmpxchgo_le_mmu(CPUArchState *env, target_ulong addr, - Int128 cmpv, Int128 newv, - TCGMemOpIdx oi, uintptr_t retaddr); -Int128 helper_atomic_cmpxchgo_be_mmu(CPUArchState *env, target_ulong addr, - Int128 cmpv, Int128 newv, - TCGMemOpIdx oi, uintptr_t retaddr); - -Int128 helper_atomic_ldo_le_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -Int128 helper_atomic_ldo_be_mmu(CPUArchState *env, target_ulong addr, - TCGMemOpIdx oi, uintptr_t retaddr); -void helper_atomic_sto_le_mmu(CPUArchState *env, target_ulong addr, Int128 val, - TCGMemOpIdx oi, uintptr_t retaddr); -void helper_atomic_sto_be_mmu(CPUArchState *env, target_ulong addr, Int128 val, - TCGMemOpIdx oi, uintptr_t retaddr); - -#ifdef CONFIG_DEBUG_TCG -void tcg_assert_listed_vecop(TCGOpcode); -#else -static inline void tcg_assert_listed_vecop(TCGOpcode op) { } -#endif - -static inline const TCGOpcode *tcg_swap_vecop_list(const TCGOpcode *n) -{ -#ifdef CONFIG_DEBUG_TCG - const TCGOpcode *o = tcg_ctx->vecop_list; - tcg_ctx->vecop_list = n; - return o; -#else - return NULL; -#endif -} - -bool tcg_can_emit_vecop_list(const TCGOpcode *, TCGType, unsigned); - -#endif /* TCG_H */ |