[PATCH v3 3/9] target/m68k: Check for USER_ONLY definition instead of SOFTMMU one

[Philippe Mathieu-Daudé]

Since we *might* have user emulation with softmmu,
replace the system emulation check by !user emulation one.

Invert some if() ladders for clarity.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/m68k/helper.h    |  2 +-
 target/m68k/cpu.c       | 14 ++++++--------
 target/m68k/helper.c    |  4 ++--
 target/m68k/translate.c | 28 ++++++++++++++--------------
 4 files changed, 23 insertions(+), 25 deletions(-)

diff --git a/target/m68k/helper.h b/target/m68k/helper.h
index c9bed2b884..2bbe0dc032 100644
--- a/target/m68k/helper.h
+++ b/target/m68k/helper.h
@@ -124,7 +124,7 @@ DEF_HELPER_FLAGS_4(bfffo_mem, TCG_CALL_NO_WG, i64, env, 
i32, s32, i32)
 DEF_HELPER_3(chk, void, env, s32, s32)
 DEF_HELPER_4(chk2, void, env, s32, s32, s32)
 
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
 DEF_HELPER_3(ptest, void, env, i32, i32)
 DEF_HELPER_3(pflush, void, env, i32, i32)
 DEF_HELPER_FLAGS_1(reset, TCG_CALL_NO_RWG, void, env)
diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c
index 99af1ab541..70d58471dc 100644
--- a/target/m68k/cpu.c
+++ b/target/m68k/cpu.c
@@ -80,10 +80,10 @@ static void m68k_cpu_reset_hold(Object *obj)
     }
 
     memset(env, 0, offsetof(CPUM68KState, end_reset_fields));
-#ifdef CONFIG_SOFTMMU
-    cpu_m68k_set_sr(env, SR_S | SR_I);
-#else
+#ifdef CONFIG_USER_ONLY
     cpu_m68k_set_sr(env, 0);
+#else
+    cpu_m68k_set_sr(env, SR_S | SR_I);
 #endif
     for (i = 0; i < 8; i++) {
         env->fregs[i].d = nan;
@@ -334,7 +334,7 @@ static void m68k_cpu_initfn(Object *obj)
     cpu_set_cpustate_pointers(cpu);
 }
 
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
 static bool fpu_needed(void *opaque)
 {
     M68kCPU *s = opaque;
@@ -525,15 +525,13 @@ static const VMStateDescription vmstate_m68k_cpu = {
         NULL
     },
 };
-#endif
 
-#ifndef CONFIG_USER_ONLY
 #include "hw/core/sysemu-cpu-ops.h"
 
 static const struct SysemuCPUOps m68k_sysemu_ops = {
     .get_phys_page_debug = m68k_cpu_get_phys_page_debug,
 };
-#endif
+#endif /* !CONFIG_USER_ONLY */
 
 #include "hw/core/tcg-cpu-ops.h"
 
@@ -568,7 +566,7 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data)
     cc->get_pc = m68k_cpu_get_pc;
     cc->gdb_read_register = m68k_cpu_gdb_read_register;
     cc->gdb_write_register = m68k_cpu_gdb_write_register;
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
     dc->vmsd = &vmstate_m68k_cpu;
     cc->sysemu_ops = &m68k_sysemu_ops;
 #endif
diff --git a/target/m68k/helper.c b/target/m68k/helper.c
index 3b3a6ea8bd..01c18a7c59 100644
--- a/target/m68k/helper.c
+++ b/target/m68k/helper.c
@@ -1480,7 +1480,7 @@ void HELPER(set_mac_extu)(CPUM68KState *env, uint32_t 
val, uint32_t acc)
     env->macc[acc + 1] = res;
 }
 
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
 void HELPER(ptest)(CPUM68KState *env, uint32_t addr, uint32_t is_read)
 {
     hwaddr physical;
@@ -1534,4 +1534,4 @@ void HELPER(reset)(CPUM68KState *env)
 {
     /* FIXME: reset all except CPU */
 }
-#endif
+#endif /* !CONFIG_USER_ONLY */
diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index 551ef9e52a..e07161d76f 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -2637,10 +2637,10 @@ DISAS_INSN(swap)
 
 DISAS_INSN(bkpt)
 {
-#if defined(CONFIG_SOFTMMU)
-    gen_exception(s, s->base.pc_next, EXCP_ILLEGAL);
-#else
+#if defined(CONFIG_USER_ONLY)
     gen_exception(s, s->base.pc_next, EXCP_DEBUG);
+#else
+    gen_exception(s, s->base.pc_next, EXCP_ILLEGAL);
 #endif
 }
 
@@ -2838,7 +2838,7 @@ DISAS_INSN(unlk)
     tcg_gen_addi_i32(QREG_SP, src, 4);
 }
 
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
 DISAS_INSN(reset)
 {
     if (IS_USER(s)) {
@@ -4398,7 +4398,7 @@ DISAS_INSN(move_from_sr)
     DEST_EA(env, insn, OS_WORD, sr, NULL);
 }
 
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
 DISAS_INSN(moves)
 {
     int opsize;
@@ -4605,7 +4605,7 @@ DISAS_INSN(cinv)
     /* Invalidate cache line.  Implement as no-op.  */
 }
 
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
 DISAS_INSN(pflush)
 {
     TCGv opmode;
@@ -5352,7 +5352,7 @@ DISAS_INSN(ftrapcc)
     do_trapcc(s, &c);
 }
 
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
 DISAS_INSN(frestore)
 {
     TCGv addr;
@@ -5795,7 +5795,7 @@ void register_m68k_insns (CPUM68KState *env)
     BASE(bitop_im,  08c0, ffc0);
     INSN(arith_im,  0a80, fff8, CF_ISA_A);
     INSN(arith_im,  0a00, ff00, M68K);
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
     INSN(moves,     0e00, ff00, M68K);
 #endif
     INSN(cas,       0ac0, ffc0, CAS);
@@ -5824,7 +5824,7 @@ void register_m68k_insns (CPUM68KState *env)
     BASE(move_to_ccr, 44c0, ffc0);
     INSN(not,       4680, fff8, CF_ISA_A);
     INSN(not,       4600, ff00, M68K);
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
     BASE(move_to_sr, 46c0, ffc0);
 #endif
     INSN(nbcd,      4800, ffc0, M68K);
@@ -5841,7 +5841,7 @@ void register_m68k_insns (CPUM68KState *env)
     BASE(tst,       4a00, ff00);
     INSN(tas,       4ac0, ffc0, CF_ISA_B);
     INSN(tas,       4ac0, ffc0, M68K);
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
     INSN(halt,      4ac8, ffff, CF_ISA_A);
     INSN(halt,      4ac8, ffff, M68K);
 #endif
@@ -5855,7 +5855,7 @@ void register_m68k_insns (CPUM68KState *env)
     BASE(trap,      4e40, fff0);
     BASE(link,      4e50, fff8);
     BASE(unlk,      4e58, fff8);
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
     INSN(move_to_usp, 4e60, fff8, USP);
     INSN(move_from_usp, 4e68, fff8, USP);
     INSN(reset,     4e70, ffff, M68K);
@@ -5980,7 +5980,7 @@ void register_m68k_insns (CPUM68KState *env)
     INSN(ftrapcc,   f27a, fffe, FPU);       /* opmode 010, 011 */
     INSN(ftrapcc,   f27c, ffff, FPU);       /* opmode 100 */
     INSN(fbcc,      f280, ff80, FPU);
-#if defined(CONFIG_SOFTMMU)
+#if !defined(CONFIG_USER_ONLY)
     INSN(frestore,  f340, ffc0, CF_FPU);
     INSN(fsave,     f300, ffc0, CF_FPU);
     INSN(frestore,  f340, ffc0, FPU);
@@ -6190,7 +6190,7 @@ void m68k_cpu_dump_state(CPUState *cs, FILE *f, int flags)
         break;
     }
     qemu_fprintf(f, "\n");
-#ifdef CONFIG_SOFTMMU
+#ifndef CONFIG_USER_ONLY
     qemu_fprintf(f, "%sA7(MSP) = %08x %sA7(USP) = %08x %sA7(ISP) = %08x\n",
                  env->current_sp == M68K_SSP ? "->" : "  ", env->sp[M68K_SSP],
                  env->current_sp == M68K_USP ? "->" : "  ", env->sp[M68K_USP],
@@ -6204,5 +6204,5 @@ void m68k_cpu_dump_state(CPUState *cs, FILE *f, int flags)
                  env->mmu.ttr[M68K_ITTR0], env->mmu.ttr[M68K_ITTR1]);
     qemu_fprintf(f, "MMUSR %08x, fault at %08x\n",
                  env->mmu.mmusr, env->mmu.ar);
-#endif
+#endif /* !CONFIG_USER_ONLY */
 }
-- 
2.38.1