From 5b5a4db6c2963ba72a3adcace6ec055ac65f2f3d Mon Sep 17 00:00:00 2001
From: David Guillen Fandos
Date: Sat, 3 Apr 2021 00:37:42 +0200
Subject: Add instruction tracing, for testing purposes

---
 psp/mips_emit.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'psp')

diff --git a/psp/mips_emit.h b/psp/mips_emit.h
index 818b724..a435e63 100644
--- a/psp/mips_emit.h
+++ b/psp/mips_emit.h
@@ -2422,6 +2422,24 @@ u32 execute_store_cpsr_body(u32 _cpsr, u32 store_mask, u32 address)
   generate_indirect_branch_cycle_update(dual);                                \
 }                                                                             \
 
+#ifdef TRACE_INSTRUCTIONS
+  void trace_instruction(u32 pc)
+  {
+    printf("Executed %x\n", pc);
+  }
+
+  #define emit_trace_instruction(pc)                                            \
+    emit_save_regs(false);                                                      \
+    generate_load_imm(reg_a0, pc);                                              \
+    genccall(&trace_instruction);                                               \
+    emit_restore_regs(false)
+  #define emit_trace_thumb_instruction(pc) emit_trace_instruction(pc)
+  #define emit_trace_arm_instruction(pc)   emit_trace_instruction(pc)
+#else
+  #define emit_trace_thumb_instruction(pc)
+  #define emit_trace_arm_instruction(pc)
+#endif
+
 #define thumb_swi()                                                           \
   generate_swi_hle_handler(opcode & 0xFF);                                    \
   generate_load_pc(reg_a0, (pc + 2));                                         \
-- 
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