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-moxie/translate.c | 105 +++++++++++++++--------------------------- 1 file changed, 38 insertions(+), 67 deletions(-) (limited to 'qemu/target-moxie/translate.c') diff --git a/qemu/target-moxie/translate.c b/qemu/target-moxie/translate.c index e3e913906..a437e2ab6 100644 --- a/qemu/target-moxie/translate.c +++ b/qemu/target-moxie/translate.c @@ -21,12 +21,7 @@ * http://moxielogic.org/wiki */ -#include -#include -#include -#include -#include -#include +#include "qemu/osdep.h" #include "cpu.h" #include "exec/exec-all.h" @@ -36,6 +31,7 @@ #include "exec/helper-proto.h" #include "exec/helper-gen.h" +#include "exec/log.h" /* This is the state at translation time. */ typedef struct DisasContext { @@ -60,7 +56,7 @@ enum { static TCGv cpu_pc; static TCGv cpu_gregs[16]; -static TCGv_ptr cpu_env; +static TCGv_env cpu_env; static TCGv cc_a, cc_b; #include "exec/gen-icount.h" @@ -110,16 +106,16 @@ void moxie_translate_init(void) return; } cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); - cpu_pc = tcg_global_mem_new_i32(TCG_AREG0, + cpu_pc = tcg_global_mem_new_i32(cpu_env, offsetof(CPUMoxieState, pc), "$pc"); for (i = 0; i < 16; i++) - cpu_gregs[i] = tcg_global_mem_new_i32(TCG_AREG0, + cpu_gregs[i] = tcg_global_mem_new_i32(cpu_env, offsetof(CPUMoxieState, gregs[i]), gregnames[i]); - cc_a = tcg_global_mem_new_i32(TCG_AREG0, + cc_a = tcg_global_mem_new_i32(cpu_env, offsetof(CPUMoxieState, cc_a), "cc_a"); - cc_b = tcg_global_mem_new_i32(TCG_AREG0, + cc_b = tcg_global_mem_new_i32(cpu_env, offsetof(CPUMoxieState, cc_b), "cc_b"); done_init = 1; @@ -154,10 +150,6 @@ static int decode_opc(MoxieCPU *cpu, DisasContext *ctx) /* Set the default instruction length. */ int length = 2; - if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) { - tcg_gen_debug_insn_start(ctx->pc); - } - /* Examine the 16-bit opcode. */ opcode = ctx->opcode; @@ -820,17 +812,13 @@ static int decode_opc(MoxieCPU *cpu, DisasContext *ctx) } /* generate intermediate code for basic block 'tb'. */ -static inline void -gen_intermediate_code_internal(MoxieCPU *cpu, TranslationBlock *tb, - bool search_pc) +void gen_intermediate_code(CPUMoxieState *env, struct TranslationBlock *tb) { + MoxieCPU *cpu = moxie_env_get_cpu(env); CPUState *cs = CPU(cpu); DisasContext ctx; target_ulong pc_start; - CPUBreakpoint *bp; - int j, lj = -1; - CPUMoxieState *env = &cpu->env; - int num_insns; + int num_insns, max_insns; pc_start = tb->pc; ctx.pc = pc_start; @@ -840,40 +828,40 @@ gen_intermediate_code_internal(MoxieCPU *cpu, TranslationBlock *tb, ctx.singlestep_enabled = 0; ctx.bstate = BS_NONE; num_insns = 0; + max_insns = tb->cflags & CF_COUNT_MASK; + 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 { - if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) { - QTAILQ_FOREACH(bp, &cs->breakpoints, entry) { - if (ctx.pc == bp->pc) { - tcg_gen_movi_i32(cpu_pc, ctx.pc); - gen_helper_debug(cpu_env); - ctx.bstate = BS_EXCP; - goto done_generating; - } - } - } + tcg_gen_insn_start(ctx.pc); + num_insns++; - 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] = ctx.pc; - tcg_ctx.gen_opc_instr_start[lj] = 1; - tcg_ctx.gen_opc_icount[lj] = num_insns; + if (unlikely(cpu_breakpoint_test(cs, ctx.pc, BP_ANY))) { + tcg_gen_movi_i32(cpu_pc, ctx.pc); + gen_helper_debug(cpu_env); + ctx.bstate = BS_EXCP; + /* 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. */ + ctx.pc += 2; + goto done_generating; } + ctx.opcode = cpu_lduw_code(env, ctx.pc); ctx.pc += decode_opc(cpu, &ctx); - num_insns++; + if (num_insns >= max_insns) { + break; + } if (cs->singlestep_enabled) { break; } - if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) { break; } @@ -899,29 +887,12 @@ gen_intermediate_code_internal(MoxieCPU *cpu, TranslationBlock *tb, done_generating: gen_tb_end(tb, num_insns); - if (search_pc) { - j = tcg_op_buf_count(); - lj++; - while (lj <= j) { - tcg_ctx.gen_opc_instr_start[lj++] = 0; - } - } else { - tb->size = ctx.pc - pc_start; - tb->icount = num_insns; - } -} - -void gen_intermediate_code(CPUMoxieState *env, struct TranslationBlock *tb) -{ - gen_intermediate_code_internal(moxie_env_get_cpu(env), tb, false); -} - -void gen_intermediate_code_pc(CPUMoxieState *env, struct TranslationBlock *tb) -{ - gen_intermediate_code_internal(moxie_env_get_cpu(env), tb, true); + tb->size = ctx.pc - pc_start; + tb->icount = num_insns; } -void restore_state_to_opc(CPUMoxieState *env, TranslationBlock *tb, int pc_pos) +void restore_state_to_opc(CPUMoxieState *env, TranslationBlock *tb, + target_ulong *data) { - env->pc = tcg_ctx.gen_opc_pc[pc_pos]; + env->pc = data[0]; } -- cgit 1.2.3-korg