Native test runner: Support FPSCR

2017-05-13 23:12:53 -05:00
parent 84758a3a3f
commit 6e2bf0b4b1
2 changed files with 8 additions and 1 deletions
--- a/src/xenia/cpu/ppc/testing/ppc_testing_native_main.cc
+++ b/src/xenia/cpu/ppc/testing/ppc_testing_native_main.cc
@@ -37,6 +37,7 @@ struct Context {
  double f[32];    // 0x100
  vec128_t v[32];  // 0x200 For now, only support 32 vector registers.
  uint32_t cr;     // 0x400 Condition register
+  uint64_t fpscr;  // 0x404 FPSCR
 };

 typedef std::vector<std::pair<std::string, std::string>> AnnotationList;
--- a/src/xenia/cpu/ppc/testing/ppc_testing_native_thunks.s
+++ b/src/xenia/cpu/ppc/testing/ppc_testing_native_thunks.s
@@ -10,9 +10,12 @@
 # r3 = context
 # this does not touch r1, r3, r4, r13
 .load_registers_ctx:
-  lwz r2,  0x400(r3) # CR
+  lwz   r2, 0x400(r3) # CR
  mtcrf 0xFF, r2

+  lfd   f0, 0x404(r3) # FPSCR
+  mtfsf 0xFF, f0
+
  li  r2, 0
  mtxer r2

@@ -286,6 +289,9 @@

  mfcr r2 # CR
  stw  r2,  0x400(r3)
+
+  mffs f0 # FPSCR
+  stfd f0,  0x404(r3)
  blr

 # void xe_call_native(Context* ctx, void* func)