From 437fd90c0250dee670290f9b714253671a990160 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Wed, 18 May 2016 13:18:31 +0300 Subject: These changes are the raw update to qemu-2.6. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen --- qemu/target-m68k/cpu.c | 18 ++++++- qemu/target-m68k/cpu.h | 6 +-- qemu/target-m68k/gdbstub.c | 2 +- qemu/target-m68k/helper.c | 1 + qemu/target-m68k/m68k-semi.c | 10 +--- qemu/target-m68k/op_helper.c | 1 + qemu/target-m68k/translate.c | 123 +++++++++++++++++-------------------------- 7 files changed, 71 insertions(+), 90 deletions(-) (limited to 'qemu/target-m68k') diff --git a/qemu/target-m68k/cpu.c b/qemu/target-m68k/cpu.c index 4f246da74..0b5f9a581 100644 --- a/qemu/target-m68k/cpu.c +++ b/qemu/target-m68k/cpu.c @@ -18,6 +18,8 @@ * */ +#include "qemu/osdep.h" +#include "qapi/error.h" #include "cpu.h" #include "qemu-common.h" #include "migration/vmstate.h" @@ -61,6 +63,11 @@ static void m68k_cpu_reset(CPUState *s) tlb_flush(s, 1); } +static void m68k_cpu_disas_set_info(CPUState *cpu, disassemble_info *info) +{ + info->print_insn = print_insn_m68k; +} + /* CPU models */ static ObjectClass *m68k_cpu_class_by_name(const char *cpu_model) @@ -208,10 +215,19 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data) #endif cc->cpu_exec_enter = m68k_cpu_exec_enter; cc->cpu_exec_exit = m68k_cpu_exec_exit; + cc->disas_set_info = m68k_cpu_disas_set_info; - dc->vmsd = &vmstate_m68k_cpu; cc->gdb_num_core_regs = 18; cc->gdb_core_xml_file = "cf-core.xml"; + + dc->vmsd = &vmstate_m68k_cpu; + + /* + * Reason: m68k_cpu_initfn() calls cpu_exec_init(), which saves + * the object in cpus -> dangling pointer after final + * object_unref(). + */ + dc->cannot_destroy_with_object_finalize_yet = true; } static void register_cpu_type(const M68kCPUInfo *info) diff --git a/qemu/target-m68k/cpu.h b/qemu/target-m68k/cpu.h index 9a62f6cb5..48b4c872f 100644 --- a/qemu/target-m68k/cpu.h +++ b/qemu/target-m68k/cpu.h @@ -24,7 +24,6 @@ #define CPUArchState struct CPUM68KState -#include "config.h" #include "qemu-common.h" #include "exec/cpu-defs.h" @@ -32,8 +31,6 @@ #define MAX_QREGS 32 -#define ELF_MACHINE EM_68K - #define EXCP_ACCESS 2 /* Access (MMU) error. */ #define EXCP_ADDRESS 3 /* Address error. */ #define EXCP_ILLEGAL 4 /* Illegal instruction. */ @@ -215,7 +212,6 @@ void register_m68k_insns (CPUM68KState *env); #define cpu_init(cpu_model) CPU(cpu_m68k_init(cpu_model)) #define cpu_exec cpu_m68k_exec -#define cpu_gen_code cpu_m68k_gen_code #define cpu_signal_handler cpu_m68k_signal_handler #define cpu_list m68k_cpu_list @@ -223,7 +219,7 @@ void register_m68k_insns (CPUM68KState *env); #define MMU_MODE0_SUFFIX _kernel #define MMU_MODE1_SUFFIX _user #define MMU_USER_IDX 1 -static inline int cpu_mmu_index (CPUM68KState *env) +static inline int cpu_mmu_index (CPUM68KState *env, bool ifetch) { return (env->sr & SR_S) == 0 ? 1 : 0; } diff --git a/qemu/target-m68k/gdbstub.c b/qemu/target-m68k/gdbstub.c index ae8179c01..f02bb5caf 100644 --- a/qemu/target-m68k/gdbstub.c +++ b/qemu/target-m68k/gdbstub.c @@ -17,7 +17,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see . */ -#include "config.h" +#include "qemu/osdep.h" #include "qemu-common.h" #include "exec/gdbstub.h" diff --git a/qemu/target-m68k/helper.c b/qemu/target-m68k/helper.c index 77225a200..a8f6d9d6a 100644 --- a/qemu/target-m68k/helper.c +++ b/qemu/target-m68k/helper.c @@ -18,6 +18,7 @@ * License along with this library; if not, see . */ +#include "qemu/osdep.h" #include "cpu.h" #include "exec/gdbstub.h" diff --git a/qemu/target-m68k/m68k-semi.c b/qemu/target-m68k/m68k-semi.c index 9dffe8de6..f360ef3e1 100644 --- a/qemu/target-m68k/m68k-semi.c +++ b/qemu/target-m68k/m68k-semi.c @@ -17,15 +17,7 @@ * along with this program; if not, see . */ -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include "qemu/osdep.h" #include "cpu.h" #if defined(CONFIG_USER_ONLY) diff --git a/qemu/target-m68k/op_helper.c b/qemu/target-m68k/op_helper.c index 1af0ca647..17d0a1191 100644 --- a/qemu/target-m68k/op_helper.c +++ b/qemu/target-m68k/op_helper.c @@ -16,6 +16,7 @@ * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see . */ +#include "qemu/osdep.h" #include "cpu.h" #include "exec/helper-proto.h" #include "exec/cpu_ldst.h" diff --git a/qemu/target-m68k/translate.c b/qemu/target-m68k/translate.c index a57d2415c..7560c3a80 100644 --- a/qemu/target-m68k/translate.c +++ b/qemu/target-m68k/translate.c @@ -18,6 +18,7 @@ * License along with this library; if not, see . */ +#include "qemu/osdep.h" #include "cpu.h" #include "disas/disas.h" #include "tcg-op.h" @@ -28,6 +29,7 @@ #include "exec/helper-gen.h" #include "trace-tcg.h" +#include "exec/log.h" //#define DEBUG_DISPATCH 1 @@ -48,7 +50,7 @@ static TCGv_i32 cpu_halted; static TCGv_i32 cpu_exception_index; -static TCGv_ptr cpu_env; +static TCGv_env cpu_env; static char cpu_reg_names[3*8*3 + 5*4]; static TCGv cpu_dregs[8]; @@ -74,48 +76,52 @@ void m68k_tcg_init(void) char *p; int i; -#define DEFO32(name, offset) QREG_##name = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUM68KState, offset), #name); -#define DEFO64(name, offset) QREG_##name = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUM68KState, offset), #name); -#define DEFF64(name, offset) DEFO64(name, offset) + cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); + +#define DEFO32(name, offset) \ + QREG_##name = tcg_global_mem_new_i32(cpu_env, \ + offsetof(CPUM68KState, offset), #name); +#define DEFO64(name, offset) \ + QREG_##name = tcg_global_mem_new_i64(cpu_env, \ + offsetof(CPUM68KState, offset), #name); +#define DEFF64(name, offset) DEFO64(name, offset) #include "qregs.def" #undef DEFO32 #undef DEFO64 #undef DEFF64 - cpu_halted = tcg_global_mem_new_i32(TCG_AREG0, + cpu_halted = tcg_global_mem_new_i32(cpu_env, -offsetof(M68kCPU, env) + offsetof(CPUState, halted), "HALTED"); - cpu_exception_index = tcg_global_mem_new_i32(TCG_AREG0, + cpu_exception_index = tcg_global_mem_new_i32(cpu_env, -offsetof(M68kCPU, env) + offsetof(CPUState, exception_index), "EXCEPTION"); - cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); - p = cpu_reg_names; for (i = 0; i < 8; i++) { sprintf(p, "D%d", i); - cpu_dregs[i] = tcg_global_mem_new(TCG_AREG0, + cpu_dregs[i] = tcg_global_mem_new(cpu_env, offsetof(CPUM68KState, dregs[i]), p); p += 3; sprintf(p, "A%d", i); - cpu_aregs[i] = tcg_global_mem_new(TCG_AREG0, + cpu_aregs[i] = tcg_global_mem_new(cpu_env, offsetof(CPUM68KState, aregs[i]), p); p += 3; sprintf(p, "F%d", i); - cpu_fregs[i] = tcg_global_mem_new_i64(TCG_AREG0, + cpu_fregs[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUM68KState, fregs[i]), p); p += 3; } for (i = 0; i < 4; i++) { sprintf(p, "ACC%d", i); - cpu_macc[i] = tcg_global_mem_new_i64(TCG_AREG0, + cpu_macc[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUM68KState, macc[i]), p); p += 5; } - NULL_QREG = tcg_global_mem_new(TCG_AREG0, -4, "NULL"); - store_dummy = tcg_global_mem_new(TCG_AREG0, -8, "NULL"); + NULL_QREG = tcg_global_mem_new(cpu_env, -4, "NULL"); + store_dummy = tcg_global_mem_new(cpu_env, -8, "NULL"); } /* internal defines */ @@ -2680,7 +2686,7 @@ DISAS_INSN(from_mac) if (s->env->macsr & MACSR_FI) { gen_helper_get_macf(rx, cpu_env, acc); } else if ((s->env->macsr & MACSR_OMC) == 0) { - tcg_gen_trunc_i64_i32(rx, acc); + tcg_gen_extrl_i64_i32(rx, acc); } else if (s->env->macsr & MACSR_SU) { gen_helper_get_macs(rx, acc); } else { @@ -2955,10 +2961,6 @@ static void disas_m68k_insn(CPUM68KState * env, DisasContext *s) { uint16_t insn; - if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) { - tcg_gen_debug_insn_start(s->pc); - } - insn = cpu_lduw_code(env, s->pc); s->pc += 2; @@ -2966,15 +2968,11 @@ static void disas_m68k_insn(CPUM68KState * env, DisasContext *s) } /* generate intermediate code for basic block 'tb'. */ -static inline void -gen_intermediate_code_internal(M68kCPU *cpu, TranslationBlock *tb, - bool search_pc) +void gen_intermediate_code(CPUM68KState *env, TranslationBlock *tb) { + M68kCPU *cpu = m68k_env_get_cpu(env); CPUState *cs = CPU(cpu); - CPUM68KState *env = &cpu->env; DisasContext dc1, *dc = &dc1; - CPUBreakpoint *bp; - int j, lj; target_ulong pc_start; int pc_offset; int num_insns; @@ -2993,43 +2991,39 @@ gen_intermediate_code_internal(M68kCPU *cpu, TranslationBlock *tb, dc->fpcr = env->fpcr; dc->user = (env->sr & SR_S) == 0; dc->done_mac = 0; - lj = -1; num_insns = 0; max_insns = tb->cflags & CF_COUNT_MASK; - if (max_insns == 0) + if (max_insns == 0) { max_insns = CF_COUNT_MASK; + } + if (max_insns > TCG_MAX_INSNS) { + max_insns = TCG_MAX_INSNS; + } gen_tb_start(tb); do { pc_offset = dc->pc - pc_start; gen_throws_exception = NULL; - if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) { - QTAILQ_FOREACH(bp, &cs->breakpoints, entry) { - if (bp->pc == dc->pc) { - gen_exception(dc, dc->pc, EXCP_DEBUG); - dc->is_jmp = DISAS_JUMP; - break; - } - } - if (dc->is_jmp) - break; - } - if (search_pc) { - j = tcg_op_buf_count(); - if (lj < j) { - lj++; - while (lj < j) - tcg_ctx.gen_opc_instr_start[lj++] = 0; - } - tcg_ctx.gen_opc_pc[lj] = dc->pc; - tcg_ctx.gen_opc_instr_start[lj] = 1; - tcg_ctx.gen_opc_icount[lj] = num_insns; + tcg_gen_insn_start(dc->pc); + num_insns++; + + if (unlikely(cpu_breakpoint_test(cs, dc->pc, BP_ANY))) { + gen_exception(dc, dc->pc, EXCP_DEBUG); + dc->is_jmp = DISAS_JUMP; + /* The address covered by the breakpoint must be included in + [tb->pc, tb->pc + tb->size) in order to for it to be + properly cleared -- thus we increment the PC here so that + the logic setting tb->size below does the right thing. */ + dc->pc += 2; + break; } - if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) + + if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) { gen_io_start(); + } + dc->insn_pc = dc->pc; disas_m68k_insn(env, dc); - num_insns++; } while (!dc->is_jmp && !tcg_op_buf_full() && !cs->singlestep_enabled && !singlestep && @@ -3073,28 +3067,8 @@ gen_intermediate_code_internal(M68kCPU *cpu, TranslationBlock *tb, qemu_log("\n"); } #endif - if (search_pc) { - j = tcg_op_buf_count(); - lj++; - while (lj <= j) - tcg_ctx.gen_opc_instr_start[lj++] = 0; - } else { - tb->size = dc->pc - pc_start; - tb->icount = num_insns; - } - - //optimize_flags(); - //expand_target_qops(); -} - -void gen_intermediate_code(CPUM68KState *env, TranslationBlock *tb) -{ - gen_intermediate_code_internal(m68k_env_get_cpu(env), tb, false); -} - -void gen_intermediate_code_pc(CPUM68KState *env, TranslationBlock *tb) -{ - gen_intermediate_code_internal(m68k_env_get_cpu(env), tb, true); + tb->size = dc->pc - pc_start; + tb->icount = num_insns; } void m68k_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, @@ -3120,7 +3094,8 @@ void m68k_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, cpu_fprintf (f, "FPRESULT = %12g\n", *(double *)&env->fp_result); } -void restore_state_to_opc(CPUM68KState *env, TranslationBlock *tb, int pc_pos) +void restore_state_to_opc(CPUM68KState *env, TranslationBlock *tb, + target_ulong *data) { - env->pc = tcg_ctx.gen_opc_pc[pc_pos]; + env->pc = data[0]; } -- cgit 1.2.3-korg