diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2023-03-31 10:37:04 -0700 |
---|---|---|
committer | Richard Henderson <richard.henderson@linaro.org> | 2023-06-05 12:04:29 -0700 |
commit | d53106c997e5c8e61e37ae9ff9f0e1f243b03968 (patch) | |
tree | 4de92bccaed083434fefc464ac43101dab97d3b4 | |
parent | 0f4e14c25a1900ee77ce29060adbaede1367bd3d (diff) | |
download | qemu-d53106c997e5c8e61e37ae9ff9f0e1f243b03968.zip qemu-d53106c997e5c8e61e37ae9ff9f0e1f243b03968.tar.gz qemu-d53106c997e5c8e61e37ae9ff9f0e1f243b03968.tar.bz2 |
tcg: Pass TCGHelperInfo to tcg_gen_callN
In preparation for compiling tcg/ only once, eliminate
the all_helpers array. Instantiate the info structs for
the generic helpers in accel/tcg/, and the structs for
the target-specific helpers in each translate.c.
Since we don't see all of the info structs at startup,
initialize at first use, using g_once_init_* to make
sure we don't race while doing so.
Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
31 files changed, 284 insertions, 177 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 89f274f..a1b8376 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -154,6 +154,7 @@ F: include/exec/exec-all.h F: include/exec/tb-flush.h F: include/exec/target_long.h F: include/exec/helper*.h +F: include/exec/helper-info.c.inc F: include/sysemu/cpus.h F: include/sysemu/tcg.h F: include/hw/core/tcg-cpu-ops.h diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c index 5b73a39..40b34a0 100644 --- a/accel/tcg/plugin-gen.c +++ b/accel/tcg/plugin-gen.c @@ -49,6 +49,11 @@ #include "exec/exec-all.h" #include "exec/plugin-gen.h" #include "exec/translator.h" +#include "exec/helper-proto.h" + +#define HELPER_H "accel/tcg/plugin-helpers.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H #ifdef CONFIG_SOFTMMU # define CONFIG_SOFTMMU_GATE 1 diff --git a/accel/tcg/tcg-runtime.c b/accel/tcg/tcg-runtime.c index e4e0300..14b59a3 100644 --- a/accel/tcg/tcg-runtime.c +++ b/accel/tcg/tcg-runtime.c @@ -31,6 +31,10 @@ #include "exec/log.h" #include "tcg/tcg.h" +#define HELPER_H "accel/tcg/tcg-runtime.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + /* 32-bit helpers */ int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2) diff --git a/include/exec/helper-gen.h b/include/exec/helper-gen.h index 7b6ca97..248cff3 100644 --- a/include/exec/helper-gen.h +++ b/include/exec/helper-gen.h @@ -1,81 +1,96 @@ -/* Helper file for declaring TCG helper functions. - This one expands generation functions for tcg opcodes. */ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Helper file for declaring TCG helper functions. + * This one expands generation functions for tcg opcodes. + * Define HELPER_H for the header file to be expanded, + * and static inline to change from global file scope. + */ #ifndef HELPER_GEN_H #define HELPER_GEN_H +#include "tcg/tcg.h" +#include "tcg/helper-info.h" #include "exec/helper-head.h" #define DEF_HELPER_FLAGS_0(name, flags, ret) \ +extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl0(ret)) \ { \ - tcg_gen_callN(HELPER(name), dh_retvar(ret), 0, NULL); \ + tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 0, NULL); \ } #define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \ +extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t1, 1)) \ { \ - TCGTemp *args[1] = { dh_arg(t1, 1) }; \ - tcg_gen_callN(HELPER(name), dh_retvar(ret), 1, args); \ + TCGTemp *args[1] = { dh_arg(t1, 1) }; \ + tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 1, args); \ } #define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \ +extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2)) \ { \ - TCGTemp *args[2] = { dh_arg(t1, 1), dh_arg(t2, 2) }; \ - tcg_gen_callN(HELPER(name), dh_retvar(ret), 2, args); \ + TCGTemp *args[2] = { dh_arg(t1, 1), dh_arg(t2, 2) }; \ + tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 2, args); \ } #define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \ +extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3)) \ { \ - TCGTemp *args[3] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3) }; \ - tcg_gen_callN(HELPER(name), dh_retvar(ret), 3, args); \ + TCGTemp *args[3] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3) }; \ + tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 3, args); \ } #define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \ +extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), \ dh_arg_decl(t3, 3), dh_arg_decl(t4, 4)) \ { \ - TCGTemp *args[4] = { dh_arg(t1, 1), dh_arg(t2, 2), \ - dh_arg(t3, 3), dh_arg(t4, 4) }; \ - tcg_gen_callN(HELPER(name), dh_retvar(ret), 4, args); \ + TCGTemp *args[4] = { dh_arg(t1, 1), dh_arg(t2, 2), \ + dh_arg(t3, 3), dh_arg(t4, 4) }; \ + tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 4, args); \ } #define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \ +extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ - dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \ + dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \ dh_arg_decl(t4, 4), dh_arg_decl(t5, 5)) \ { \ - TCGTemp *args[5] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ - dh_arg(t4, 4), dh_arg(t5, 5) }; \ - tcg_gen_callN(HELPER(name), dh_retvar(ret), 5, args); \ + TCGTemp *args[5] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ + dh_arg(t4, 4), dh_arg(t5, 5) }; \ + tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 5, args); \ } #define DEF_HELPER_FLAGS_6(name, flags, ret, t1, t2, t3, t4, t5, t6) \ +extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ - dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \ + dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \ dh_arg_decl(t4, 4), dh_arg_decl(t5, 5), dh_arg_decl(t6, 6)) \ { \ - TCGTemp *args[6] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ - dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6) }; \ - tcg_gen_callN(HELPER(name), dh_retvar(ret), 6, args); \ + TCGTemp *args[6] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ + dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6) }; \ + tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 6, args); \ } #define DEF_HELPER_FLAGS_7(name, flags, ret, t1, t2, t3, t4, t5, t6, t7)\ +extern TCGHelperInfo glue(helper_info_, name); \ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ - dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \ + dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \ dh_arg_decl(t4, 4), dh_arg_decl(t5, 5), dh_arg_decl(t6, 6), \ dh_arg_decl(t7, 7)) \ { \ - TCGTemp *args[7] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ - dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6), \ - dh_arg(t7, 7) }; \ - tcg_gen_callN(HELPER(name), dh_retvar(ret), 7, args); \ + TCGTemp *args[7] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \ + dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6), \ + dh_arg(t7, 7) }; \ + tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 7, args); \ } #include "helper.h" @@ -90,6 +105,5 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ #undef DEF_HELPER_FLAGS_5 #undef DEF_HELPER_FLAGS_6 #undef DEF_HELPER_FLAGS_7 -#undef GEN_HELPER #endif /* HELPER_GEN_H */ diff --git a/include/exec/helper-info.c.inc b/include/exec/helper-info.c.inc new file mode 100644 index 0000000..530d2e6 --- /dev/null +++ b/include/exec/helper-info.c.inc @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Helper file for declaring TCG helper functions. + * This one expands info structures for tcg helpers. + * Define HELPER_H for the header file to be expanded. + */ + +#include "tcg/tcg.h" +#include "tcg/helper-info.h" +#include "exec/helper-head.h" + +/* + * Need one more level of indirection before stringification + * to get all the macros expanded first. + */ +#define str(s) #s + +#define DEF_HELPER_FLAGS_0(NAME, FLAGS, RET) \ + TCGHelperInfo glue(helper_info_, NAME) = { \ + .func = HELPER(NAME), .name = str(NAME), \ + .flags = FLAGS | dh_callflag(RET), \ + .typemask = dh_typemask(RET, 0) \ + }; + +#define DEF_HELPER_FLAGS_1(NAME, FLAGS, RET, T1) \ + TCGHelperInfo glue(helper_info_, NAME) = { \ + .func = HELPER(NAME), .name = str(NAME), \ + .flags = FLAGS | dh_callflag(RET), \ + .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \ + }; + +#define DEF_HELPER_FLAGS_2(NAME, FLAGS, RET, T1, T2) \ + TCGHelperInfo glue(helper_info_, NAME) = { \ + .func = HELPER(NAME), .name = str(NAME), \ + .flags = FLAGS | dh_callflag(RET), \ + .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \ + | dh_typemask(T2, 2) \ + }; + +#define DEF_HELPER_FLAGS_3(NAME, FLAGS, RET, T1, T2, T3) \ + TCGHelperInfo glue(helper_info_, NAME) = { \ + .func = HELPER(NAME), .name = str(NAME), \ + .flags = FLAGS | dh_callflag(RET), \ + .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \ + | dh_typemask(T2, 2) | dh_typemask(T3, 3) \ + }; + +#define DEF_HELPER_FLAGS_4(NAME, FLAGS, RET, T1, T2, T3, T4) \ + TCGHelperInfo glue(helper_info_, NAME) = { \ + .func = HELPER(NAME), .name = str(NAME), \ + .flags = FLAGS | dh_callflag(RET), \ + .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \ + | dh_typemask(T2, 2) | dh_typemask(T3, 3) \ + | dh_typemask(T4, 4) \ + }; + +#define DEF_HELPER_FLAGS_5(NAME, FLAGS, RET, T1, T2, T3, T4, T5) \ + TCGHelperInfo glue(helper_info_, NAME) = { \ + .func = HELPER(NAME), .name = str(NAME), \ + .flags = FLAGS | dh_callflag(RET), \ + .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \ + | dh_typemask(T2, 2) | dh_typemask(T3, 3) \ + | dh_typemask(T4, 4) | dh_typemask(T5, 5) \ + }; + +#define DEF_HELPER_FLAGS_6(NAME, FLAGS, RET, T1, T2, T3, T4, T5, T6) \ + TCGHelperInfo glue(helper_info_, NAME) = { \ + .func = HELPER(NAME), .name = str(NAME), \ + .flags = FLAGS | dh_callflag(RET), \ + .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \ + | dh_typemask(T2, 2) | dh_typemask(T3, 3) \ + | dh_typemask(T4, 4) | dh_typemask(T5, 5) \ + | dh_typemask(T6, 6) \ + }; + +#define DEF_HELPER_FLAGS_7(NAME, FLAGS, RET, T1, T2, T3, T4, T5, T6, T7) \ + TCGHelperInfo glue(helper_info_, NAME) = { \ + .func = HELPER(NAME), .name = str(NAME), \ + .flags = FLAGS | dh_callflag(RET), \ + .typemask = dh_typemask(RET, 0) | dh_typemask(T1, 1) \ + | dh_typemask(T2, 2) | dh_typemask(T3, 3) \ + | dh_typemask(T4, 4) | dh_typemask(T5, 5) \ + | dh_typemask(T6, 6) | dh_typemask(T7, 7) \ + }; + +#include HELPER_H + +#undef str +#undef DEF_HELPER_FLAGS_0 +#undef DEF_HELPER_FLAGS_1 +#undef DEF_HELPER_FLAGS_2 +#undef DEF_HELPER_FLAGS_3 +#undef DEF_HELPER_FLAGS_4 +#undef DEF_HELPER_FLAGS_5 +#undef DEF_HELPER_FLAGS_6 +#undef DEF_HELPER_FLAGS_7 diff --git a/include/exec/helper-tcg.h b/include/exec/helper-tcg.h deleted file mode 100644 index 3933258..0000000 --- a/include/exec/helper-tcg.h +++ /dev/null @@ -1,75 +0,0 @@ -/* Helper file for declaring TCG helper functions. - This one defines data structures private to tcg.c. */ - -#ifndef HELPER_TCG_H -#define HELPER_TCG_H - -#include "exec/helper-head.h" - -/* Need one more level of indirection before stringification - to get all the macros expanded first. */ -#define str(s) #s - -#define DEF_HELPER_FLAGS_0(NAME, FLAGS, ret) \ - { .func = HELPER(NAME), .name = str(NAME), \ - .flags = FLAGS | dh_callflag(ret), \ - .typemask = dh_typemask(ret, 0) }, - -#define DEF_HELPER_FLAGS_1(NAME, FLAGS, ret, t1) \ - { .func = HELPER(NAME), .name = str(NAME), \ - .flags = FLAGS | dh_callflag(ret), \ - .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) }, - -#define DEF_HELPER_FLAGS_2(NAME, FLAGS, ret, t1, t2) \ - { .func = HELPER(NAME), .name = str(NAME), \ - .flags = FLAGS | dh_callflag(ret), \ - .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \ - | dh_typemask(t2, 2) }, - -#define DEF_HELPER_FLAGS_3(NAME, FLAGS, ret, t1, t2, t3) \ - { .func = HELPER(NAME), .name = str(NAME), \ - .flags = FLAGS | dh_callflag(ret), \ - .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \ - | dh_typemask(t2, 2) | dh_typemask(t3, 3) }, - -#define DEF_HELPER_FLAGS_4(NAME, FLAGS, ret, t1, t2, t3, t4) \ - { .func = HELPER(NAME), .name = str(NAME), \ - .flags = FLAGS | dh_callflag(ret), \ - .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \ - | dh_typemask(t2, 2) | dh_typemask(t3, 3) | dh_typemask(t4, 4) }, - -#define DEF_HELPER_FLAGS_5(NAME, FLAGS, ret, t1, t2, t3, t4, t5) \ - { .func = HELPER(NAME), .name = str(NAME), \ - .flags = FLAGS | dh_callflag(ret), \ - .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \ - | dh_typemask(t2, 2) | dh_typemask(t3, 3) | dh_typemask(t4, 4) \ - | dh_typemask(t5, 5) }, - -#define DEF_HELPER_FLAGS_6(NAME, FLAGS, ret, t1, t2, t3, t4, t5, t6) \ - { .func = HELPER(NAME), .name = str(NAME), \ - .flags = FLAGS | dh_callflag(ret), \ - .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \ - | dh_typemask(t2, 2) | dh_typemask(t3, 3) | dh_typemask(t4, 4) \ - | dh_typemask(t5, 5) | dh_typemask(t6, 6) }, - -#define DEF_HELPER_FLAGS_7(NAME, FLAGS, ret, t1, t2, t3, t4, t5, t6, t7) \ - { .func = HELPER(NAME), .name = str(NAME), .flags = FLAGS, \ - .typemask = dh_typemask(ret, 0) | dh_typemask(t1, 1) \ - | dh_typemask(t2, 2) | dh_typemask(t3, 3) | dh_typemask(t4, 4) \ - | dh_typemask(t5, 5) | dh_typemask(t6, 6) | dh_typemask(t7, 7) }, - -#include "helper.h" -#include "accel/tcg/tcg-runtime.h" -#include "accel/tcg/plugin-helpers.h" - -#undef str -#undef DEF_HELPER_FLAGS_0 -#undef DEF_HELPER_FLAGS_1 -#undef DEF_HELPER_FLAGS_2 -#undef DEF_HELPER_FLAGS_3 -#undef DEF_HELPER_FLAGS_4 -#undef DEF_HELPER_FLAGS_5 -#undef DEF_HELPER_FLAGS_6 -#undef DEF_HELPER_FLAGS_7 - -#endif /* HELPER_TCG_H */ diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h index 8e9ef25..8c1840b 100644 --- a/include/qemu/typedefs.h +++ b/include/qemu/typedefs.h @@ -131,6 +131,7 @@ typedef struct ReservedRegion ReservedRegion; typedef struct SavedIOTLB SavedIOTLB; typedef struct SHPCDevice SHPCDevice; typedef struct SSIBus SSIBus; +typedef struct TCGHelperInfo TCGHelperInfo; typedef struct TranslationBlock TranslationBlock; typedef struct VirtIODevice VirtIODevice; typedef struct Visitor Visitor; diff --git a/include/tcg/helper-info.h b/include/tcg/helper-info.h index f65f81c..4b6c9b4 100644 --- a/include/tcg/helper-info.h +++ b/include/tcg/helper-info.h @@ -40,12 +40,17 @@ typedef struct TCGCallArgumentLoc { unsigned tmp_subindex : 2; } TCGCallArgumentLoc; -typedef struct TCGHelperInfo { +struct TCGHelperInfo { void *func; const char *name; + + /* Used with g_once_init_enter. */ #ifdef CONFIG_TCG_INTERPRETER ffi_cif *cif; +#else + uintptr_t init; #endif + unsigned typemask : 32; unsigned flags : 8; unsigned nr_in : 8; @@ -54,6 +59,6 @@ typedef struct TCGHelperInfo { /* Maximum physical arguments are constrained by TCG_TYPE_I128. */ TCGCallArgumentLoc in[MAX_CALL_IARGS * (128 / TCG_TARGET_REG_BITS)]; -} TCGHelperInfo; +}; #endif /* TCG_HELPER_INFO_H */ diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h index 9b2833b..34035da 100644 --- a/include/tcg/tcg.h +++ b/include/tcg/tcg.h @@ -937,7 +937,7 @@ typedef struct TCGTargetOpDef { bool tcg_op_supported(TCGOpcode op); -void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args); +void tcg_gen_callN(TCGHelperInfo *, TCGTemp *ret, int nargs, TCGTemp **args); TCGOp *tcg_emit_op(TCGOpcode opc, unsigned nargs); void tcg_op_remove(TCGContext *s, TCGOp *op); diff --git a/target/alpha/translate.c b/target/alpha/translate.c index be8adb2..545e574 100644 --- a/target/alpha/translate.c +++ b/target/alpha/translate.c @@ -30,6 +30,9 @@ #include "exec/translator.h" #include "exec/log.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H #undef ALPHA_DEBUG_DISAS #define CONFIG_SOFTFLOAT_INLINE diff --git a/target/arm/tcg/translate.c b/target/arm/tcg/translate.c index c89825a..4d84850 100644 --- a/target/arm/tcg/translate.c +++ b/target/arm/tcg/translate.c @@ -33,6 +33,9 @@ #include "exec/log.h" #include "cpregs.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H #define ENABLE_ARCH_4T arm_dc_feature(s, ARM_FEATURE_V4T) #define ENABLE_ARCH_5 arm_dc_feature(s, ARM_FEATURE_V5) diff --git a/target/avr/translate.c b/target/avr/translate.c index cd82f5d..4fa40b5 100644 --- a/target/avr/translate.c +++ b/target/avr/translate.c @@ -31,6 +31,11 @@ #include "exec/translator.h" #include "exec/gen-icount.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + + /* * Define if you want a BREAK instruction translated to a breakpoint * Active debugging connection is assumed diff --git a/target/cris/translate.c b/target/cris/translate.c index b2beb99..3c21826 100644 --- a/target/cris/translate.c +++ b/target/cris/translate.c @@ -34,11 +34,13 @@ #include "exec/translator.h" #include "crisv32-decode.h" #include "qemu/qemu-print.h" - #include "exec/helper-gen.h" - #include "exec/log.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + #define DISAS_CRIS 0 #if DISAS_CRIS diff --git a/target/hexagon/translate.c b/target/hexagon/translate.c index 42a7697..00e2503 100644 --- a/target/hexagon/translate.c +++ b/target/hexagon/translate.c @@ -31,6 +31,10 @@ #include "genptr.h" #include "printinsn.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + #include "analyze_funcs_generated.c.inc" typedef void (*AnalyzeInsn)(DisasContext *ctx); diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 59e4688..2c50fa7 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -29,6 +29,11 @@ #include "exec/translator.h" #include "exec/log.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + + /* Since we have a distinction between register size and address size, we need to redefine all of these. */ diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 91c9c0c..d509105 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -34,6 +34,11 @@ #include "exec/log.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + + #define PREFIX_REPZ 0x01 #define PREFIX_REPNZ 0x02 #define PREFIX_LOCK 0x04 diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c index ae53f5e..67140ad 100644 --- a/target/loongarch/translate.c +++ b/target/loongarch/translate.c @@ -26,6 +26,10 @@ static TCGv cpu_lladdr, cpu_llval; #include "exec/gen-icount.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + #define DISAS_STOP DISAS_TARGET_0 #define DISAS_EXIT DISAS_TARGET_1 #define DISAS_EXIT_UPDATE DISAS_TARGET_2 diff --git a/target/m68k/translate.c b/target/m68k/translate.c index 44d852b..90ca51f 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -34,6 +34,9 @@ #include "exec/log.h" #include "fpu/softfloat.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H //#define DEBUG_DISPATCH 1 diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index ee0d7b8..7a5d106 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -31,6 +31,10 @@ #include "exec/log.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + #define EXTRACT_FIELD(src, start, end) \ (((src) >> start) & ((1 << (end - start + 1)) - 1)) diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index a6ca2e5..bff1859 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -37,6 +37,11 @@ #include "fpu_helper.h" #include "translate.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + + /* * Many sysemu-only helpers are not reachable for user-only. * Define stub generators here, so that we need not either sprinkle diff --git a/target/nios2/translate.c b/target/nios2/translate.c index a548e16..28c1d70 100644 --- a/target/nios2/translate.c +++ b/target/nios2/translate.c @@ -35,6 +35,11 @@ #include "exec/gen-icount.h" #include "semihosting/semihost.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + + /* is_jmp field values */ #define DISAS_UPDATE DISAS_TARGET_1 /* cpu state was modified dynamically */ diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c index 43ba0cc..06e6eae 100644 --- a/target/openrisc/translate.c +++ b/target/openrisc/translate.c @@ -35,6 +35,11 @@ #include "exec/log.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + + /* is_jmp field values */ #define DISAS_EXIT DISAS_TARGET_0 /* force exit to main loop */ #define DISAS_JUMP DISAS_TARGET_1 /* exit via jmp_pc/jmp_pc_imm */ diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 9b78845..67d7ee0 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -41,6 +41,10 @@ #include "qemu/qemu-print.h" #include "qapi/error.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + #define CPU_SINGLE_STEP 0x1 #define CPU_BRANCH_STEP 0x2 diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 928da0d..ed96816 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -33,6 +33,10 @@ #include "instmap.h" #include "internals.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + /* global register indices */ static TCGv cpu_gpr[32], cpu_gprh[32], cpu_pc, cpu_vl, cpu_vstart; static TCGv_i64 cpu_fpr[32]; /* assume F and D extensions */ diff --git a/target/rx/translate.c b/target/rx/translate.c index 70fad98..89dbec2 100644 --- a/target/rx/translate.c +++ b/target/rx/translate.c @@ -28,6 +28,11 @@ #include "exec/translator.h" #include "exec/log.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + + typedef struct DisasContext { DisasContextBase base; CPURXState *env; diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index 3eb3708..60b1758 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -46,6 +46,10 @@ #include "exec/log.h" #include "qemu/atomic128.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + /* Information that (most) every instruction needs to manipulate. */ typedef struct DisasContext DisasContext; diff --git a/target/sh4/translate.c b/target/sh4/translate.c index d9accfa..9d2c7a3 100644 --- a/target/sh4/translate.c +++ b/target/sh4/translate.c @@ -29,6 +29,10 @@ #include "exec/log.h" #include "qemu/qemu-print.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + typedef struct DisasContext { DisasContextBase base; diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 93777984..ebaf376 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -33,6 +33,9 @@ #include "exec/log.h" #include "asi.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H #define DYNAMIC_PC 1 /* dynamic pc value */ #define JUMP_PC 2 /* dynamic pc value which takes only two values diff --git a/target/tricore/translate.c b/target/tricore/translate.c index 2646cb3..eee935b 100644 --- a/target/tricore/translate.c +++ b/target/tricore/translate.c @@ -33,6 +33,11 @@ #include "exec/translator.h" #include "exec/log.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + + /* * TCG registers */ diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c index 728aeeb..11bb8c0 100644 --- a/target/xtensa/translate.c +++ b/target/xtensa/translate.c @@ -45,6 +45,10 @@ #include "exec/log.h" +#define HELPER_H "helper.h" +#include "exec/helper-info.c.inc" +#undef HELPER_H + struct DisasContext { DisasContextBase base; @@ -848,13 +848,6 @@ void tcg_pool_reset(TCGContext *s) s->pool_current = NULL; } -#include "exec/helper-proto.h" - -static TCGHelperInfo all_helpers[] = { -#include "exec/helper-tcg.h" -}; -static GHashTable *helper_table; - /* * Create TCGHelperInfo structures for "tcg/tcg-ldst.h" functions, * akin to what "exec/helper-tcg.h" does with DEF_HELPER_FLAGS_N. @@ -964,57 +957,45 @@ static ffi_type *typecode_to_ffi(int argmask) g_assert_not_reached(); } -static void init_ffi_layouts(void) +static ffi_cif *init_ffi_layout(TCGHelperInfo *info) { - /* g_direct_hash/equal for direct comparisons on uint32_t. */ - GHashTable *ffi_table = g_hash_table_new(NULL, NULL); - - for (int i = 0; i < ARRAY_SIZE(all_helpers); ++i) { - TCGHelperInfo *info = &all_helpers[i]; - unsigned typemask = info->typemask; - gpointer hash = (gpointer)(uintptr_t)typemask; - struct { - ffi_cif cif; - ffi_type *args[]; - } *ca; - ffi_status status; - int nargs; - ffi_cif *cif; - - cif = g_hash_table_lookup(ffi_table, hash); - if (cif) { - info->cif = cif; - continue; - } - - /* Ignoring the return type, find the last non-zero field. */ - nargs = 32 - clz32(typemask >> 3); - nargs = DIV_ROUND_UP(nargs, 3); - assert(nargs <= MAX_CALL_IARGS); - - ca = g_malloc0(sizeof(*ca) + nargs * sizeof(ffi_type *)); - ca->cif.rtype = typecode_to_ffi(typemask & 7); - ca->cif.nargs = nargs; - - if (nargs != 0) { - ca->cif.arg_types = ca->args; - for (int j = 0; j < nargs; ++j) { - int typecode = extract32(typemask, (j + 1) * 3, 3); - ca->args[j] = typecode_to_ffi(typecode); - } + unsigned typemask = info->typemask; + struct { + ffi_cif cif; + ffi_type *args[]; + } *ca; + ffi_status status; + int nargs; + + /* Ignoring the return type, find the last non-zero field. */ + nargs = 32 - clz32(typemask >> 3); + nargs = DIV_ROUND_UP(nargs, 3); + assert(nargs <= MAX_CALL_IARGS); + + ca = g_malloc0(sizeof(*ca) + nargs * sizeof(ffi_type *)); + ca->cif.rtype = typecode_to_ffi(typemask & 7); + ca->cif.nargs = nargs; + + if (nargs != 0) { + ca->cif.arg_types = ca->args; + for (int j = 0; j < nargs; ++j) { + int typecode = extract32(typemask, (j + 1) * 3, 3); + ca->args[j] = typecode_to_ffi(typecode); } - - status = ffi_prep_cif(&ca->cif, FFI_DEFAULT_ABI, nargs, - ca->cif.rtype, ca->cif.arg_types); - assert(status == FFI_OK); - - cif = &ca->cif; - info->cif = cif; - g_hash_table_insert(ffi_table, hash, (gpointer)cif); } - g_hash_table_destroy(ffi_table); + status = ffi_prep_cif(&ca->cif, FFI_DEFAULT_ABI, nargs, + ca->cif.rtype, ca->cif.arg_types); + assert(status == FFI_OK); + + return &ca->cif; } + +#define HELPER_INFO_INIT(I) (&(I)->cif) +#define HELPER_INFO_INIT_VAL(I) init_ffi_layout(I) +#else +#define HELPER_INFO_INIT(I) (&(I)->init) +#define HELPER_INFO_INIT_VAL(I) 1 #endif /* CONFIG_TCG_INTERPRETER */ static inline bool arg_slot_reg_p(unsigned arg_slot) @@ -1327,16 +1308,6 @@ static void tcg_context_init(unsigned max_cpus) args_ct += n; } - /* Register helpers. */ - /* Use g_direct_hash/equal for direct pointer comparisons on func. */ - helper_table = g_hash_table_new(NULL, NULL); - - for (i = 0; i < ARRAY_SIZE(all_helpers); ++i) { - init_call_layout(&all_helpers[i]); - g_hash_table_insert(helper_table, (gpointer)all_helpers[i].func, - (gpointer)&all_helpers[i]); - } - init_call_layout(&info_helper_ld32_mmu); init_call_layout(&info_helper_ld64_mmu); init_call_layout(&info_helper_ld128_mmu); @@ -1344,10 +1315,6 @@ static void tcg_context_init(unsigned max_cpus) init_call_layout(&info_helper_st64_mmu); init_call_layout(&info_helper_st128_mmu); -#ifdef CONFIG_TCG_INTERPRETER - init_ffi_layouts(); -#endif - tcg_target_init(s); process_op_defs(s); @@ -2141,15 +2108,18 @@ bool tcg_op_supported(TCGOpcode op) static TCGOp *tcg_op_alloc(TCGOpcode opc, unsigned nargs); -void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) +void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret, int nargs, TCGTemp **args) { - const TCGHelperInfo *info; TCGv_i64 extend_free[MAX_CALL_IARGS]; int n_extend = 0; TCGOp *op; int i, n, pi = 0, total_args; - info = g_hash_table_lookup(helper_table, (gpointer)func); + if (unlikely(g_once_init_enter(HELPER_INFO_INIT(info)))) { + init_call_layout(info); + g_once_init_leave(HELPER_INFO_INIT(info), HELPER_INFO_INIT_VAL(info)); + } + total_args = info->nr_out + info->nr_in + 2; op = tcg_op_alloc(INDEX_op_call, total_args); @@ -2216,7 +2186,7 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) g_assert_not_reached(); } } - op->args[pi++] = (uintptr_t)func; + op->args[pi++] = (uintptr_t)info->func; op->args[pi++] = (uintptr_t)info; tcg_debug_assert(pi == total_args); |