target/mips: Move TCG source files under tcg/ sub directory

To ease maintenance, move all TCG specific files under the tcg/
sub-directory. Adapt the Meson machinery.

The following prototypes:
- mips_tcg_init()
- mips_cpu_do_unaligned_access()
- mips_cpu_do_transaction_failed()
can now be restricted to the "tcg-internal.h" header.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-29-f4bug@amsat.org>

target/mips/helper.h

@@ -608,4 +608,4 @@ DEF_HELPER_FLAGS_2(rddsp, 0, tl, tl, env)
 #include "tcg/sysemu_helper.h.inc"
 #endif /* !CONFIG_USER_ONLY */
 
-#include "msa_helper.h.inc"
+#include "tcg/msa_helper.h.inc"

target/mips/internal.h

@@ -82,9 +82,6 @@ extern const int mips_defs_number;
 
 int mips_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
 int mips_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
-void mips_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
-                                  MMUAccessType access_type,
-                                  int mmu_idx, uintptr_t retaddr);
 
 #define USEG_LIMIT      ((target_ulong)(int32_t)0x7FFFFFFFUL)
 #define KSEG0_BASE      ((target_ulong)(int32_t)0x80000000UL)
@@ -151,12 +148,6 @@ struct CPUMIPSTLBContext {
     } mmu;
 };
 
-void mips_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
-                                    vaddr addr, unsigned size,
-                                    MMUAccessType access_type,
-                                    int mmu_idx, MemTxAttrs attrs,
-                                    MemTxResult response, uintptr_t retaddr);
-
 void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc);
 void cpu_mips_store_status(CPUMIPSState *env, target_ulong val);
 void cpu_mips_store_cause(CPUMIPSState *env, target_ulong val);
@@ -209,8 +200,6 @@ static inline bool cpu_mips_hw_interrupts_pending(CPUMIPSState *env)
     return r;
 }
 
-void mips_tcg_init(void);
-
 void msa_reset(CPUMIPSState *env);
 
 /* cp0_timer.c */

target/mips/meson.build

@@ -1,11 +1,3 @@
-gen = [
-  decodetree.process('mips32r6.decode', extra_args: '--static-decode=decode_mips32r6'),
-  decodetree.process('mips64r6.decode', extra_args: '--static-decode=decode_mips64r6'),
-  decodetree.process('msa32.decode', extra_args: '--static-decode=decode_msa32'),
-  decodetree.process('msa64.decode', extra_args: '--static-decode=decode_msa64'),
-  decodetree.process('tx79.decode', extra_args: '--static-decode=decode_tx79'),
-]
-
 mips_user_ss = ss.source_set()
 mips_softmmu_ss = ss.source_set()
 mips_ss = ss.source_set()
@@ -20,35 +12,12 @@ if have_system
   subdir('sysemu')
 endif
 
-mips_tcg_ss = ss.source_set()
-mips_tcg_ss.add(gen)
-mips_tcg_ss.add(files(
-  'dsp_helper.c',
-  'exception.c',
-  'fpu_helper.c',
-  'ldst_helper.c',
-  'lmmi_helper.c',
-  'msa_helper.c',
-  'msa_translate.c',
-  'op_helper.c',
-  'rel6_translate.c',
-  'translate.c',
-  'translate_addr_const.c',
-  'txx9_translate.c',
-))
-mips_tcg_ss.add(when: 'TARGET_MIPS64', if_true: files(
-  'tx79_translate.c',
-), if_false: files(
-  'mxu_translate.c',
-))
 if 'CONFIG_TCG' in config_all
   subdir('tcg')
 endif
 
 mips_ss.add(when: 'CONFIG_KVM', if_true: files('kvm.c'))
 
-mips_ss.add_all(when: 'CONFIG_TCG', if_true: [mips_tcg_ss])
-
 target_arch += {'mips': mips_ss}
 target_softmmu_arch += {'mips': mips_softmmu_ss}
 target_user_arch += {'mips': mips_user_ss}

target/mips/tcg/meson.build

@@ -1,3 +1,32 @@
+gen = [
+  decodetree.process('mips32r6.decode', extra_args: '--static-decode=decode_mips32r6'),
+  decodetree.process('mips64r6.decode', extra_args: '--static-decode=decode_mips64r6'),
+  decodetree.process('msa32.decode', extra_args: '--static-decode=decode_msa32'),
+  decodetree.process('msa64.decode', extra_args: '--static-decode=decode_msa64'),
+  decodetree.process('tx79.decode', extra_args: '--static-decode=decode_tx79'),
+]
+
+mips_ss.add(gen)
+mips_ss.add(files(
+  'dsp_helper.c',
+  'exception.c',
+  'fpu_helper.c',
+  'ldst_helper.c',
+  'lmmi_helper.c',
+  'msa_helper.c',
+  'msa_translate.c',
+  'op_helper.c',
+  'rel6_translate.c',
+  'translate.c',
+  'translate_addr_const.c',
+  'txx9_translate.c',
+))
+mips_ss.add(when: 'TARGET_MIPS64', if_true: files(
+  'tx79_translate.c',
+), if_false: files(
+  'mxu_translate.c',
+))
+
 if have_user
   subdir('user')
 endif

target/mips/tcg/tcg-internal.h

@@ -11,15 +11,21 @@
 #define MIPS_TCG_INTERNAL_H
 
 #include "tcg/tcg.h"
+#include "exec/memattrs.h"
 #include "hw/core/cpu.h"
 #include "cpu.h"
 
+void mips_tcg_init(void);
+
 void mips_cpu_synchronize_from_tb(CPUState *cs, const TranslationBlock *tb);
 void mips_cpu_do_interrupt(CPUState *cpu);
 bool mips_cpu_exec_interrupt(CPUState *cpu, int int_req);
 bool mips_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
                        MMUAccessType access_type, int mmu_idx,
                        bool probe, uintptr_t retaddr);
+void mips_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
+                                  MMUAccessType access_type,
+                                  int mmu_idx, uintptr_t retaddr);
 
 const char *mips_exception_name(int32_t exception);
 
@@ -46,6 +52,11 @@ bool mips_io_recompile_replay_branch(CPUState *cs, const TranslationBlock *tb);
 
 hwaddr cpu_mips_translate_address(CPUMIPSState *env, target_ulong address,
                                   MMUAccessType access_type, uintptr_t retaddr);
+void mips_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
+                                    vaddr addr, unsigned size,
+                                    MMUAccessType access_type,
+                                    int mmu_idx, MemTxAttrs attrs,
+                                    MemTxResult response, uintptr_t retaddr);
 void cpu_mips_tlb_flush(CPUMIPSState *env);
 
 #endif /* !CONFIG_USER_ONLY */