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-rw-r--r--qemu/target-m68k/cpu.c18
-rw-r--r--qemu/target-m68k/cpu.h6
-rw-r--r--qemu/target-m68k/gdbstub.c2
-rw-r--r--qemu/target-m68k/helper.c1
-rw-r--r--qemu/target-m68k/m68k-semi.c10
-rw-r--r--qemu/target-m68k/op_helper.c1
-rw-r--r--qemu/target-m68k/translate.c123
7 files changed, 71 insertions, 90 deletions
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 @@
* <http://www.gnu.org/licenses/lgpl-2.1.html>
*/
+#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 <http://www.gnu.org/licenses/>.
*/
-#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 <http://www.gnu.org/licenses/>.
*/
+#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 <http://www.gnu.org/licenses/>.
*/
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <sys/time.h>
-#include <time.h>
+#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 <http://www.gnu.org/licenses/>.
*/
+#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 <http://www.gnu.org/licenses/>.
*/
+#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];
}