*/
#include "cpu.h"
-#include "disas.h"
+#include "disas/disas.h"
#include "tcg-op.h"
-#include "qemu-log.h"
+#include "qemu/log.h"
#include "helpers.h"
#define GEN_HELPER 1
#undef DEFO64
#undef DEFF64
+static TCGv_i32 cpu_halted;
+
static TCGv_ptr cpu_env;
static char cpu_reg_names[3*8*3 + 5*4];
/* Used to distinguish stores from bad addressing modes. */
static TCGv store_dummy;
-#include "gen-icount.h"
+#include "exec/gen-icount.h"
void m68k_tcg_init(void)
{
#undef DEFO64
#undef DEFF64
+ cpu_halted = tcg_global_mem_new_i32(TCG_AREG0,
+ -offsetof(M68kCPU, env) +
+ offsetof(CPUState, halted), "HALTED");
+
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
p = cpu_reg_names;
return gen_ldst(s, opsize, tmp, val, what);
}
-/* Generate code to load/store a value ito/from an EA. If VAL > 0 this is
+/* Generate code to load/store a value from/into an EA. If VAL > 0 this is
a write otherwise it is a read (0 == sign extend, -1 == zero extend).
ADDRP is non-null for readwrite operands. */
static TCGv gen_ea(CPUM68KState *env, DisasContext *s, uint16_t insn,
(s->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
tcg_gen_goto_tb(n);
tcg_gen_movi_i32(QREG_PC, dest);
- tcg_gen_exit_tb((tcg_target_long)tb + n);
+ tcg_gen_exit_tb((uintptr_t)tb + n);
} else {
gen_jmp_im(s, dest);
tcg_gen_exit_tb(0);
s->pc += 2;
gen_set_sr_im(s, ext, 0);
- tcg_gen_movi_i32(QREG_HALTED, 1);
+ tcg_gen_movi_i32(cpu_halted, 1);
gen_exception(s, s->pc, EXCP_HLT);
}
/* generate intermediate code for basic block 'tb'. */
static inline void
-gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
- int search_pc)
+gen_intermediate_code_internal(M68kCPU *cpu, TranslationBlock *tb,
+ bool search_pc)
{
+ CPUState *cs = CPU(cpu);
+ CPUM68KState *env = &cpu->env;
DisasContext dc1, *dc = &dc1;
uint16_t *gen_opc_end;
CPUBreakpoint *bp;
dc->tb = tb;
- gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+ gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
dc->env = env;
dc->is_jmp = DISAS_NEXT;
dc->pc = pc_start;
dc->cc_op = CC_OP_DYNAMIC;
- dc->singlestep_enabled = env->singlestep_enabled;
+ dc->singlestep_enabled = cs->singlestep_enabled;
dc->fpcr = env->fpcr;
dc->user = (env->sr & SR_S) == 0;
dc->is_mem = 0;
if (max_insns == 0)
max_insns = CF_COUNT_MASK;
- gen_icount_start();
+ gen_tb_start();
do {
pc_offset = dc->pc - pc_start;
gen_throws_exception = NULL;
break;
}
if (search_pc) {
- j = gen_opc_ptr - gen_opc_buf;
+ j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
if (lj < j) {
lj++;
while (lj < j)
- gen_opc_instr_start[lj++] = 0;
+ tcg_ctx.gen_opc_instr_start[lj++] = 0;
}
- gen_opc_pc[lj] = dc->pc;
- gen_opc_instr_start[lj] = 1;
- gen_opc_icount[lj] = num_insns;
+ tcg_ctx.gen_opc_pc[lj] = dc->pc;
+ tcg_ctx.gen_opc_instr_start[lj] = 1;
+ tcg_ctx.gen_opc_icount[lj] = num_insns;
}
if (num_insns + 1 == 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 && gen_opc_ptr < gen_opc_end &&
- !env->singlestep_enabled &&
+ } while (!dc->is_jmp && tcg_ctx.gen_opc_ptr < gen_opc_end &&
+ !cs->singlestep_enabled &&
!singlestep &&
(pc_offset) < (TARGET_PAGE_SIZE - 32) &&
num_insns < max_insns);
if (tb->cflags & CF_LAST_IO)
gen_io_end();
- if (unlikely(env->singlestep_enabled)) {
+ if (unlikely(cs->singlestep_enabled)) {
/* Make sure the pc is updated, and raise a debug exception. */
if (!dc->is_jmp) {
gen_flush_cc_op(dc);
break;
}
}
- gen_icount_end(tb, num_insns);
- *gen_opc_ptr = INDEX_op_end;
+ gen_tb_end(tb, num_insns);
+ *tcg_ctx.gen_opc_ptr = INDEX_op_end;
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
}
#endif
if (search_pc) {
- j = gen_opc_ptr - gen_opc_buf;
+ j = tcg_ctx.gen_opc_ptr - tcg_ctx.gen_opc_buf;
lj++;
while (lj <= j)
- gen_opc_instr_start[lj++] = 0;
+ tcg_ctx.gen_opc_instr_start[lj++] = 0;
} else {
tb->size = dc->pc - pc_start;
tb->icount = num_insns;
void gen_intermediate_code(CPUM68KState *env, TranslationBlock *tb)
{
- gen_intermediate_code_internal(env, tb, 0);
+ gen_intermediate_code_internal(m68k_env_get_cpu(env), tb, false);
}
void gen_intermediate_code_pc(CPUM68KState *env, TranslationBlock *tb)
{
- gen_intermediate_code_internal(env, tb, 1);
+ gen_intermediate_code_internal(m68k_env_get_cpu(env), tb, true);
}
-void cpu_dump_state(CPUM68KState *env, FILE *f, fprintf_function cpu_fprintf,
- int flags)
+void m68k_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
+ int flags)
{
+ M68kCPU *cpu = M68K_CPU(cs);
+ CPUM68KState *env = &cpu->env;
int i;
uint16_t sr;
CPU_DoubleU u;
void restore_state_to_opc(CPUM68KState *env, TranslationBlock *tb, int pc_pos)
{
- env->pc = gen_opc_pc[pc_pos];
+ env->pc = tcg_ctx.gen_opc_pc[pc_pos];
}