X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/264ac41ca171c53eead7e037bc78babb3f0f1bc3..90c5d39cb847d7f360454950be647cd83cacea58:/target-m68k/translate.c
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index b13be4899e..cd662891c8 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -19,13 +19,13 @@
*/
#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"
+#include "helper.h"
#define GEN_HELPER 1
-#include "helpers.h"
+#include "helper.h"
//#define DEBUG_DISPATCH 1
@@ -42,6 +42,9 @@
#undef DEFO64
#undef DEFF64
+static TCGv_i32 cpu_halted;
+static TCGv_i32 cpu_exception_index;
+
static TCGv_ptr cpu_env;
static char cpu_reg_names[3*8*3 + 5*4];
@@ -61,7 +64,7 @@ static TCGv NULL_QREG;
/* 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)
{
@@ -76,6 +79,14 @@ 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_exception_index = tcg_global_mem_new_i32(TCG_AREG0,
+ -offsetof(M68kCPU, env) +
+ offsetof(CPUState, exception_index),
+ "EXCEPTION");
+
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
p = cpu_reg_names;
@@ -102,17 +113,6 @@ void m68k_tcg_init(void)
NULL_QREG = tcg_global_mem_new(TCG_AREG0, -4, "NULL");
store_dummy = tcg_global_mem_new(TCG_AREG0, -8, "NULL");
-
-#define GEN_HELPER 2
-#include "helpers.h"
-}
-
-static inline void qemu_assert(int cond, const char *msg)
-{
- if (!cond) {
- fprintf (stderr, "badness: %s\n", msg);
- abort();
- }
}
/* internal defines */
@@ -196,7 +196,7 @@ static inline TCGv gen_load(DisasContext * s, int opsize, TCGv addr, int sign)
tcg_gen_qemu_ld32u(tmp, addr, index);
break;
default:
- qemu_assert(0, "bad load size");
+ g_assert_not_reached();
}
gen_throws_exception = gen_last_qop;
return tmp;
@@ -230,7 +230,7 @@ static inline void gen_store(DisasContext *s, int opsize, TCGv addr, TCGv val)
tcg_gen_qemu_st32(val, addr, index);
break;
default:
- qemu_assert(0, "bad store size");
+ g_assert_not_reached();
}
gen_throws_exception = gen_last_qop;
}
@@ -434,8 +434,7 @@ static inline int opsize_bytes(int opsize)
case OS_SINGLE: return 4;
case OS_DOUBLE: return 8;
default:
- qemu_assert(0, "bad operand size");
- return 0;
+ g_assert_not_reached();
}
}
@@ -462,8 +461,7 @@ static void gen_partset_reg(int opsize, TCGv reg, TCGv val)
tcg_gen_mov_i32(reg, val);
break;
default:
- qemu_assert(0, "Bad operand size");
- break;
+ g_assert_not_reached();
}
}
@@ -492,7 +490,7 @@ static inline TCGv gen_extend(TCGv val, int opsize, int sign)
tmp = val;
break;
default:
- qemu_assert(0, "Bad operand size");
+ g_assert_not_reached();
}
return tmp;
}
@@ -574,7 +572,7 @@ static inline TCGv gen_ea_once(CPUM68KState *env, DisasContext *s,
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,
@@ -666,7 +664,7 @@ static TCGv gen_ea(CPUM68KState *env, DisasContext *s, uint16_t insn,
offset = read_im32(env, s);
break;
default:
- qemu_assert(0, "Bad immediate operand");
+ g_assert_not_reached();
}
return tcg_const_i32(offset);
default:
@@ -863,7 +861,7 @@ static void gen_jmp_tb(DisasContext *s, int n, uint32_t dest)
(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);
@@ -883,8 +881,10 @@ DISAS_INSN(undef_fpu)
DISAS_INSN(undef)
{
+ M68kCPU *cpu = m68k_env_get_cpu(env);
+
gen_exception(s, s->pc - 2, EXCP_UNSUPPORTED);
- cpu_abort(env, "Illegal instruction: %04x @ %08x", insn, s->pc - 2);
+ cpu_abort(CPU(cpu), "Illegal instruction: %04x @ %08x", insn, s->pc - 2);
}
DISAS_INSN(mulw)
@@ -2024,7 +2024,7 @@ DISAS_INSN(stop)
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);
}
@@ -2084,12 +2084,14 @@ DISAS_INSN(wddata)
DISAS_INSN(wdebug)
{
+ M68kCPU *cpu = m68k_env_get_cpu(env);
+
if (IS_USER(s)) {
gen_exception(s, s->pc - 2, EXCP_PRIVILEGE);
return;
}
/* TODO: Implement wdebug. */
- qemu_assert(0, "WDEBUG not implemented");
+ cpu_abort(CPU(cpu), "WDEBUG not implemented");
}
DISAS_INSN(trap)
@@ -2463,14 +2465,18 @@ DISAS_INSN(fbcc)
DISAS_INSN(frestore)
{
+ M68kCPU *cpu = m68k_env_get_cpu(env);
+
/* TODO: Implement frestore. */
- qemu_assert(0, "FRESTORE not implemented");
+ cpu_abort(CPU(cpu), "FRESTORE not implemented");
}
DISAS_INSN(fsave)
{
+ M68kCPU *cpu = m68k_env_get_cpu(env);
+
/* TODO: Implement fsave. */
- qemu_assert(0, "FSAVE not implemented");
+ cpu_abort(CPU(cpu), "FSAVE not implemented");
}
static inline TCGv gen_mac_extract_word(DisasContext *s, TCGv val, int upper)
@@ -2965,9 +2971,11 @@ static void disas_m68k_insn(CPUM68KState * env, DisasContext *s)
/* 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;
@@ -2988,7 +2996,7 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
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;
@@ -2999,12 +3007,12 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
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;
- if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
- QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
+ 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;
@@ -3019,11 +3027,11 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
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();
@@ -3031,14 +3039,14 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
disas_m68k_insn(env, dc);
num_insns++;
} while (!dc->is_jmp && tcg_ctx.gen_opc_ptr < gen_opc_end &&
- !env->singlestep_enabled &&
+ !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);
@@ -3063,7 +3071,7 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
break;
}
}
- gen_icount_end(tb, num_insns);
+ gen_tb_end(tb, num_insns);
*tcg_ctx.gen_opc_ptr = INDEX_op_end;
#ifdef DEBUG_DISAS
@@ -3078,7 +3086,7 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
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;
@@ -3090,17 +3098,19 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
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;
@@ -3121,5 +3131,5 @@ void cpu_dump_state(CPUM68KState *env, FILE *f, fprintf_function cpu_fprintf,
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];
}