@@ -135,7 +135,7 @@ obj-y += arch_init.o cpus.o monitor.o gdbstub.o balloon.o ioport.o numa.o
obj-y += qtest.o bootdevice.o
obj-y += hw/
obj-$(CONFIG_KVM) += kvm-all.o
-obj-y += memory.o cputlb.o
+obj-y += memory.o cputlb.o tcg-llsc-helper.o
obj-y += memory_mapping.o
obj-y += dump.o
obj-y += migration/ram.o migration/savevm.o
@@ -60,6 +60,7 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
#include "trace/generated-helpers.h"
#include "trace/generated-helpers-wrappers.h"
#include "tcg-runtime.h"
+#include "tcg-llsc-gen-helper.h"
#undef DEF_HELPER_FLAGS_0
#undef DEF_HELPER_FLAGS_1
@@ -29,6 +29,7 @@ dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2), dh_ctype(t3), \
#include "helper.h"
#include "trace/generated-helpers.h"
#include "tcg-runtime.h"
+#include "tcg/tcg-llsc-gen-helper.h"
#undef DEF_HELPER_FLAGS_0
#undef DEF_HELPER_FLAGS_1
@@ -38,6 +38,7 @@
#include "helper.h"
#include "trace/generated-helpers.h"
#include "tcg-runtime.h"
+#include "tcg-llsc-gen-helper.h"
#undef DEF_HELPER_FLAGS_0
#undef DEF_HELPER_FLAGS_1
new file mode 100644
@@ -0,0 +1,109 @@
+/*
+ * Runtime helpers for atomic istruction emulation
+ *
+ * Copyright (c) 2015 Virtual Open Systems
+ *
+ * Authors:
+ * Alvise Rigo <a.rigo@virtualopensystems.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "exec/cpu_ldst.h"
+#include "exec/helper-head.h"
+#include "tcg-llsc-helper.h"
+
+#define LDEX_HELPER(SUFF, OPC, FUNC) \
+uint32_t HELPER(ldlink_aa32_i##SUFF)(CPUArchState *env, uint32_t addr, \
+ uint32_t index) \
+{ \
+ CPUArchState *state = env; \
+ TCGMemOpIdx op; \
+ \
+ op = make_memop_idx(OPC, index); \
+ \
+ return (uint32_t)FUNC(state, addr, op, GETRA()); \
+}
+
+LDEX_HELPER(8, MO_UB, helper_ret_ldlinkub_mmu)
+
+LDEX_HELPER(16_be, MO_BEUW, helper_be_ldlinkuw_mmu)
+LDEX_HELPER(32_be, MO_BEUL, helper_be_ldlinkul_mmu)
+
+uint64_t HELPER(ldlink_aa32_i64_be)(CPUArchState *env, uint32_t addr,
+ uint32_t index)
+{
+ CPUArchState *state = env;
+ TCGMemOpIdx op;
+
+ op = make_memop_idx(MO_BEQ, index);
+
+ return helper_be_ldlinkq_mmu(state, addr, op, GETRA());
+}
+
+LDEX_HELPER(16_le, MO_LEUW, helper_le_ldlinkuw_mmu)
+LDEX_HELPER(32_le, MO_LEUL, helper_le_ldlinkq_mmu)
+
+uint64_t HELPER(ldlink_aa32_i64_le)(CPUArchState *env, uint32_t addr,
+ uint32_t index)
+{
+ CPUArchState *state = env;
+ TCGMemOpIdx op;
+
+ op = make_memop_idx(MO_LEQ, index);
+
+ return helper_le_ldlinkq_mmu(state, addr, op, GETRA());
+}
+
+#define STEX_HELPER(SUFF, DATA_TYPE, OPC, FUNC) \
+uint32_t HELPER(stcond_aa32_i##SUFF)(CPUArchState *env, uint32_t addr, \
+ uint32_t val, uint32_t index) \
+{ \
+ CPUArchState *state = env; \
+ TCGMemOpIdx op; \
+ \
+ op = make_memop_idx(OPC, index); \
+ \
+ return (uint32_t)FUNC(state, addr, val, op, GETRA()); \
+}
+
+STEX_HELPER(8, uint8_t, MO_UB, helper_ret_stcondb_mmu)
+
+STEX_HELPER(16_be, uint16_t, MO_BEUW, helper_be_stcondw_mmu)
+STEX_HELPER(32_be, uint32_t, MO_BEUL, helper_be_stcondl_mmu)
+
+uint32_t HELPER(stcond_aa32_i64_be)(CPUArchState *env, uint32_t addr,
+ uint64_t val, uint32_t index)
+{
+ CPUArchState *state = env;
+ TCGMemOpIdx op;
+
+ op = make_memop_idx(MO_BEQ, index);
+
+ return (uint32_t)helper_be_stcondq_mmu(state, addr, val, op, GETRA());
+}
+
+STEX_HELPER(16_le, uint16_t, MO_LEUW, helper_le_stcondw_mmu)
+STEX_HELPER(32_le, uint32_t, MO_LEUL, helper_le_stcondl_mmu)
+
+uint32_t HELPER(stcond_aa32_i64_le)(CPUArchState *env, uint32_t addr,
+ uint64_t val, uint32_t index)
+{
+ CPUArchState *state = env;
+ TCGMemOpIdx op;
+
+ op = make_memop_idx(MO_LEQ, index);
+
+ return (uint32_t)helper_le_stcondq_mmu(state, addr, val, op, GETRA());
+}
new file mode 100644
@@ -0,0 +1,35 @@
+#ifndef HELPER_LLSC_HEAD_H
+#define HELPER_LLSC_HEAD_H 1
+
+uint32_t HELPER(ldlink_aa32_i8)(CPUArchState *env, uint32_t addr,
+ uint32_t index);
+uint32_t HELPER(ldlink_aa32_i16_be)(CPUArchState *env, uint32_t addr,
+ uint32_t index);
+uint32_t HELPER(ldlink_aa32_i32_be)(CPUArchState *env, uint32_t addr,
+ uint32_t index);
+uint64_t HELPER(ldlink_aa32_i64_be)(CPUArchState *env, uint32_t addr,
+ uint32_t index);
+uint32_t HELPER(ldlink_aa32_i16_le)(CPUArchState *env, uint32_t addr,
+ uint32_t index);
+uint32_t HELPER(ldlink_aa32_i32_le)(CPUArchState *env, uint32_t addr,
+ uint32_t index);
+uint64_t HELPER(ldlink_aa32_i64_le)(CPUArchState *env, uint32_t addr,
+ uint32_t index);
+
+
+uint32_t HELPER(stcond_aa32_i8)(CPUArchState *env, uint32_t addr,
+ uint32_t val, uint32_t index);
+uint32_t HELPER(stcond_aa32_i16_be)(CPUArchState *env, uint32_t addr,
+ uint32_t val, uint32_t index);
+uint32_t HELPER(stcond_aa32_i32_be)(CPUArchState *env, uint32_t addr,
+ uint32_t val, uint32_t index);
+uint32_t HELPER(stcond_aa32_i64_be)(CPUArchState *env, uint32_t addr,
+ uint64_t val, uint32_t index);
+uint32_t HELPER(stcond_aa32_i16_le)(CPUArchState *env, uint32_t addr,
+ uint32_t val, uint32_t index);
+uint32_t HELPER(stcond_aa32_i32_le)(CPUArchState *env, uint32_t addr,
+ uint32_t val, uint32_t index);
+uint32_t HELPER(stcond_aa32_i64_le)(CPUArchState *env, uint32_t addr,
+ uint64_t val, uint32_t index);
+
+#endif
new file mode 100644
@@ -0,0 +1,32 @@
+DEF_HELPER_3(ldlink_aa32_i8, i32, env, i32, i32)
+DEF_HELPER_3(ldlink_aa32_i16_be, i32, env, i32, i32)
+DEF_HELPER_3(ldlink_aa32_i32_be, i32, env, i32, i32)
+DEF_HELPER_3(ldlink_aa32_i64_be, i64, env, i32, i32)
+DEF_HELPER_3(ldlink_aa32_i16_le, i32, env, i32, i32)
+DEF_HELPER_3(ldlink_aa32_i32_le, i32, env, i32, i32)
+DEF_HELPER_3(ldlink_aa32_i64_le, i64, env, i32, i32)
+
+DEF_HELPER_4(stcond_aa32_i8, i32, env, i32, i32, i32)
+DEF_HELPER_4(stcond_aa32_i16_be, i32, env, i32, i32, i32)
+DEF_HELPER_4(stcond_aa32_i32_be, i32, env, i32, i32, i32)
+DEF_HELPER_4(stcond_aa32_i64_be, i32, env, i32, i64, i32)
+DEF_HELPER_4(stcond_aa32_i16_le, i32, env, i32, i32, i32)
+DEF_HELPER_4(stcond_aa32_i32_le, i32, env, i32, i32, i32)
+DEF_HELPER_4(stcond_aa32_i64_le, i32, env, i32, i64, i32)
+
+/* Convenient aliases */
+#ifdef TARGET_WORDS_BIGENDIAN
+#define gen_helper_stcond_aa32_i16 gen_helper_stcond_aa32_i16_be
+#define gen_helper_stcond_aa32_i32 gen_helper_stcond_aa32_i32_be
+#define gen_helper_stcond_aa32_i64 gen_helper_stcond_aa32_i64_be
+#define gen_helper_ldlink_aa32_i16 gen_helper_ldlink_aa32_i16_be
+#define gen_helper_ldlink_aa32_i32 gen_helper_ldlink_aa32_i32_be
+#define gen_helper_ldlink_aa32_i64 gen_helper_ldlink_aa32_i64_be
+#else
+#define gen_helper_stcond_aa32_i16 gen_helper_stcond_aa32_i16_le
+#define gen_helper_stcond_aa32_i32 gen_helper_stcond_aa32_i32_le
+#define gen_helper_stcond_aa32_i64 gen_helper_stcond_aa32_i64_le
+#define gen_helper_ldlink_aa32_i16 gen_helper_ldlink_aa32_i16_le
+#define gen_helper_ldlink_aa32_i32 gen_helper_ldlink_aa32_i32_le
+#define gen_helper_ldlink_aa32_i64 gen_helper_ldlink_aa32_i64_le
+#endif
Introduce a set of new runtime helpers do handle exclusive instructions. This helpers are used as hooks to call the respective LL/SC helpers in softmmu_llsc_template.h from TCG code. Suggested-by: Jani Kokkonen <jani.kokkonen@huawei.com> Suggested-by: Claudio Fontana <claudio.fontana@huawei.com> Signed-off-by: Alvise Rigo <a.rigo@virtualopensystems.com> --- Makefile.target | 2 +- include/exec/helper-gen.h | 1 + include/exec/helper-proto.h | 1 + include/exec/helper-tcg.h | 1 + tcg-llsc-helper.c | 109 ++++++++++++++++++++++++++++++++++++++++++++ tcg-llsc-helper.h | 35 ++++++++++++++ tcg/tcg-llsc-gen-helper.h | 32 +++++++++++++ 7 files changed, 180 insertions(+), 1 deletion(-) create mode 100644 tcg-llsc-helper.c create mode 100644 tcg-llsc-helper.h create mode 100644 tcg/tcg-llsc-gen-helper.h